Exemplo n.º 1
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    def __init__(self, straditizer_widgets, item, *args, **kwargs):
        super(PlotControl, self).__init__(*args, **kwargs)
        self.btn_view_global = QPushButton('Zoom out')
        self.btn_view_data = QPushButton('Zoom to data')
        self.table = PlotControlTable(straditizer_widgets)

        self.results_plot = ResultsPlot(straditizer_widgets)

        self.init_straditizercontrol(straditizer_widgets, item)

        # ---------------------------------------------------------------------
        # ------------------------------ Layout -------------------------------
        # ---------------------------------------------------------------------

        hbox = QHBoxLayout()
        hbox.addWidget(self.btn_view_global)
        hbox.addWidget(self.btn_view_data)

        vbox = QVBoxLayout()
        vbox.addLayout(hbox)
        vbox.addWidget(self.table)

        self.setLayout(vbox)

        # ---------------------------------------------------------------------
        # --------------------------- Connections -----------------------------
        # ---------------------------------------------------------------------

        self.btn_view_global.clicked.connect(self.zoom_global)
        self.btn_view_data.clicked.connect(self.zoom_data)
Exemplo n.º 2
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 def get_fmt_widget(self, parent, project):
     """Get the formatoption widget to update this formatoption in the GUI
     """
     from psyplot_gui.compat.qtcompat import QPushButton
     button = QPushButton('Test', parent)
     button.clicked.connect(lambda: parent.insert_obj(button.text()))
     return button
Exemplo n.º 3
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    def __init__(self, main=None):
        super(Prefences, self).__init__(parent=main)
        self.setWindowTitle('Preferences')

        # Widgets
        self.pages_widget = QStackedWidget()
        self.contents_widget = QListWidget()
        self.bt_reset = QPushButton('Reset to defaults')
        self.bt_load_plugins = QPushButton('Load plugin pages')
        self.bt_load_plugins.setToolTip(
            'Load the rcParams for the plugins in separate pages')

        self.bbox = bbox = QDialogButtonBox(QDialogButtonBox.Ok
                                            | QDialogButtonBox.Apply
                                            | QDialogButtonBox.Cancel)

        # Widgets setup
        # Destroying the C++ object right after closing the dialog box,
        # otherwise it may be garbage-collected in another QThread
        # (e.g. the editor's analysis thread in Spyder), thus leading to
        # a segmentation fault on UNIX or an application crash on Windows
        self.setAttribute(Qt.WA_DeleteOnClose)
        self.setWindowTitle('Preferences')
        self.contents_widget.setMovement(QListView.Static)
        self.contents_widget.setSpacing(1)
        self.contents_widget.setCurrentRow(0)

        # Layout
        hsplitter = QSplitter()
        hsplitter.addWidget(self.contents_widget)
        hsplitter.addWidget(self.pages_widget)
        hsplitter.setStretchFactor(1, 1)

        btnlayout = QHBoxLayout()
        btnlayout.addWidget(self.bt_reset)
        btnlayout.addWidget(self.bt_load_plugins)
        btnlayout.addStretch(1)
        btnlayout.addWidget(bbox)

        vlayout = QVBoxLayout()
        vlayout.addWidget(hsplitter)
        vlayout.addLayout(btnlayout)

        self.setLayout(vlayout)

        # Signals and slots
        if main is not None:
            self.bt_reset.clicked.connect(main.reset_rcParams)
        self.bt_load_plugins.clicked.connect(self.load_plugin_pages)
        self.pages_widget.currentChanged.connect(self.current_page_changed)
        self.contents_widget.currentRowChanged.connect(
            self.pages_widget.setCurrentIndex)
        bbox.accepted.connect(self.accept)
        bbox.rejected.connect(self.reject)
        self.bt_apply.clicked.connect(self.apply_clicked)
        self.bt_apply.setEnabled(False)
Exemplo n.º 4
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    def __init__(self, straditizer_widgets, item=None, *args, **kwargs):
        """
        Parameters
        ----------
        %(StraditizerControlBase.init_straditizercontrol.parameters)s"""
        super(ImageRotator, self).__init__(*args, **kwargs)
        self.txt_rotate = QLineEdit()
        self.txt_rotate.setValidator(QDoubleValidator())

        self.btn_rotate_horizontal = QPushButton('Horizontal alignment')
        self.btn_rotate_horizontal.setToolTip(
            'Mark two points that should be on the same horizontal level '
            'and rotate the picture to achieve this.')

        self.btn_rotate_vertical = QPushButton('Vertical alignment')
        self.btn_rotate_vertical.setToolTip(
            'Mark two points that should be on the same vertical level '
            'and rotate the picture to achieve this.')

        self.init_straditizercontrol(straditizer_widgets, item)

        # ---------------------------------------------------------------------
        # --------------------------- Layouts ---------------------------------
        # ---------------------------------------------------------------------

        layout = QVBoxLayout()

        hbox = QHBoxLayout()
        hbox.addWidget(QLabel('Rotate:'))
        hbox.addWidget(self.txt_rotate)
        layout.addLayout(hbox)

        layout.addWidget(self.btn_rotate_horizontal)
        layout.addWidget(self.btn_rotate_vertical)

        self.setLayout(layout)

        # ---------------------------------------------------------------------
        # --------------------------- Connections -----------------------------
        # ---------------------------------------------------------------------

        self.txt_rotate.textChanged.connect(self.start_rotation)
        self.btn_rotate_horizontal.clicked.connect(
            self.start_horizontal_alignment)
        self.btn_rotate_vertical.clicked.connect(
            self.start_vertical_alignment)

        self.widgets2disable = [self.txt_rotate, self.btn_rotate_horizontal,
                                self.btn_rotate_vertical]
Exemplo n.º 5
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    def __init__(self, straditizer_widgets, item):
        """
        Parameters
        ----------
        %(StraditizerControlBase.init_straditizercontrol.parameters)s
        """
        self.btn_marks_for_y = QPushButton('Insert Y-axis values')
        self.btn_marks_for_x = QPushButton('Insert X-axis values')

        self.btn_marks_for_y.clicked.connect(self.marks_for_y)
        self.btn_marks_for_x.clicked.connect(partial(self.marks_for_x, True))

        self.widgets2disable = [self.btn_marks_for_x, self.btn_marks_for_y]

        self.init_straditizercontrol(straditizer_widgets, item)
Exemplo n.º 6
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    def __init__(self, parent, fmto, project):
        QWidget.__init__(self, parent)
        hbox = QHBoxLayout()

        # add a select colormap button
        self.btn_choose = button = QPushButton('Choose...')
        button.clicked.connect(partial(self.choose_cmap, None))
        hbox.addWidget(button)

        # add a show colormap button
        self.btn_show = button = QPushButton('Show...')
        button.clicked.connect(self.show_cmap)
        hbox.addWidget(button)

        hbox.addWidget(Switch2FmtButton(parent, fmto.bounds, fmto.cbar))

        self.setLayout(hbox)
Exemplo n.º 7
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    def __init__(self, versions, *args, **kwargs):
        """
        Parameters
        ----------
        %(DependenciesTree.parameters)s
        """
        super(DependenciesDialog, self).__init__(*args, **kwargs)
        self.setWindowTitle('Dependencies')
        self.versions = versions
        self.vbox = layout = QVBoxLayout()

        self.label = QLabel("""
            psyplot and the plugins depend on several python libraries. The
            tree widget below lists the versions of the plugins and the
            requirements. You can select the items in the tree and copy them to
            clipboard.""", parent=self)

        layout.addWidget(self.label)

        self.tree = DependenciesTree(versions, parent=self)
        self.tree.setSelectionMode(QAbstractItemView.MultiSelection)
        layout.addWidget(self.tree)

        # copy button
        self.bt_copy = QPushButton('Copy selection to clipboard')
        self.bt_copy.setToolTip(
            'Copy the selected packages in the above table to the clipboard.')
        self.bt_copy.clicked.connect(lambda: self.copy_selected())

        self.bbox = QDialogButtonBox(QDialogButtonBox.Ok)
        self.bbox.accepted.connect(self.accept)

        hbox = QHBoxLayout()
        hbox.addWidget(self.bt_copy)
        hbox.addStretch(1)
        hbox.addWidget(self.bbox)
        layout.addLayout(hbox)

        #: A label for simple status update
        self.info_label = QLabel('', self)
        layout.addWidget(self.info_label)
        self.timer = QtCore.QTimer(self)
        self.timer.timeout.connect(self.clear_label)

        self.setLayout(layout)
Exemplo n.º 8
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    def __init__(self, straditizer_widgets):
        self.init_straditizercontrol(straditizer_widgets)

        self.btn_plot = QPushButton("Plot results")

        self.cb_final = QCheckBox("Samples")
        self.cb_final.setToolTip(
            "Create the diagram based on the samples only, not on the full "
            "digized data")
        self.cb_final.setChecked(True)
        self.cb_final.setEnabled(False)

        self.cb_transformed = QCheckBox("Translated")
        self.cb_transformed.setToolTip("Use the x-axis and y-axis translation")
        self.cb_transformed.setChecked(True)
        self.cb_transformed.setEnabled(False)

        self.btn_plot.clicked.connect(self.plot_results)
Exemplo n.º 9
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    def __init__(self, main=None):
        super(Prefences, self).__init__(parent=main)
        self.setWindowTitle('Preferences')

        # Widgets
        self.pages_widget = QStackedWidget()
        self.contents_widget = QListWidget()
        self.bt_reset = QPushButton('Reset to defaults')
        self.bt_load_plugins = QPushButton('Load plugin pages')
        self.bt_load_plugins.setToolTip(
            'Load the rcParams for the plugins in separate pages')

        self.bbox = bbox = QDialogButtonBox(
            QDialogButtonBox.Ok | QDialogButtonBox.Apply |
            QDialogButtonBox.Cancel)

        # Widgets setup
        # Destroying the C++ object right after closing the dialog box,
        # otherwise it may be garbage-collected in another QThread
        # (e.g. the editor's analysis thread in Spyder), thus leading to
        # a segmentation fault on UNIX or an application crash on Windows
        self.setAttribute(Qt.WA_DeleteOnClose)
        self.setWindowTitle('Preferences')
        self.contents_widget.setMovement(QListView.Static)
        self.contents_widget.setSpacing(1)
        self.contents_widget.setCurrentRow(0)

        # Layout
        hsplitter = QSplitter()
        hsplitter.addWidget(self.contents_widget)
        hsplitter.addWidget(self.pages_widget)
        hsplitter.setStretchFactor(1, 1)

        btnlayout = QHBoxLayout()
        btnlayout.addWidget(self.bt_reset)
        btnlayout.addWidget(self.bt_load_plugins)
        btnlayout.addStretch(1)
        btnlayout.addWidget(bbox)

        vlayout = QVBoxLayout()
        vlayout.addWidget(hsplitter)
        vlayout.addLayout(btnlayout)

        self.setLayout(vlayout)

        # Signals and slots
        if main is not None:
            self.bt_reset.clicked.connect(main.reset_rcParams)
        self.bt_load_plugins.clicked.connect(self.load_plugin_pages)
        self.pages_widget.currentChanged.connect(self.current_page_changed)
        self.contents_widget.currentRowChanged.connect(
            self.pages_widget.setCurrentIndex)
        bbox.accepted.connect(self.accept)
        bbox.rejected.connect(self.reject)
        self.bt_apply.clicked.connect(self.apply_clicked)
        self.bt_apply.setEnabled(False)
Exemplo n.º 10
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    def __init__(self, *args, **kwargs):
        super(RcParamsWidget, self).__init__(*args, **kwargs)
        self.vbox = vbox = QVBoxLayout()

        self.description = QLabel(
            '<p>Modify the rcParams for your need. Changes will not be applied'
            ' until you click the Apply or Ok button.</p>'
            '<p>Values must be entered in yaml syntax</p>',
            parent=self)
        vbox.addWidget(self.description)
        self.tree = tree = RcParamsTree(self.rc,
                                        getattr(self.rc, 'validate', None),
                                        getattr(self.rc, 'descriptions', None),
                                        parent=self)
        tree.setSelectionMode(QAbstractItemView.MultiSelection)
        vbox.addWidget(self.tree)

        self.bt_select_all = QPushButton('Select All', self)
        self.bt_select_changed = QPushButton('Select changes', self)
        self.bt_select_none = QPushButton('Clear Selection', self)
        self.bt_export = QToolButton(self)
        self.bt_export.setText('Export Selection...')
        self.bt_export.setToolTip('Export the selected rcParams to a file')
        self.bt_export.setPopupMode(QToolButton.InstantPopup)
        self.export_menu = export_menu = QMenu(self)
        export_menu.addAction(self.save_settings_action())
        export_menu.addAction(self.save_settings_action(True))
        self.bt_export.setMenu(export_menu)
        hbox = QHBoxLayout()
        hbox.addWidget(self.bt_select_all)
        hbox.addWidget(self.bt_select_changed)
        hbox.addWidget(self.bt_select_none)
        hbox.addStretch(1)
        hbox.addWidget(self.bt_export)
        vbox.addLayout(hbox)

        self.setLayout(vbox)

        self.bt_select_all.clicked.connect(self.tree.selectAll)
        self.bt_select_none.clicked.connect(self.tree.clearSelection)
        self.bt_select_changed.clicked.connect(self.tree.select_changes)
Exemplo n.º 11
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    def _init_digitize_child(self):
        self.lbl_col = QLabel('')
        self.btn_prev = QPushButton('<')
        self.btn_next = QPushButton('>')
        self.btn_edit = QPushButton('Edit')
        self.btn_add = QPushButton('+')
        self.reset_lbl_col()
        self.btn_box = w = QWidget()
        vbox = QVBoxLayout()
        vbox.addWidget(self.lbl_col)
        hbox = QHBoxLayout()
        hbox.addWidget(self.btn_prev)
        hbox.addWidget(self.btn_next)
        hbox.addWidget(self.btn_edit)
        hbox.addWidget(self.btn_add)
        vbox.addLayout(hbox)
        w.setLayout(vbox)

        self.digitize_child = QTreeWidgetItem(0)
        self.straditizer_widgets.digitizer.digitize_item.addChild(
            self.digitize_child)
        self.straditizer_widgets.digitizer.tree.setItemWidget(
            self.digitize_child, 0, w)
        self.widgets2disable = [self.btn_prev, self.btn_next,
                                self.btn_edit, self.btn_add]

        self.btn_next.clicked.connect(self.increase_current_col)
        self.btn_prev.clicked.connect(self.decrease_current_col)
        self.btn_edit.clicked.connect(self.select_current_column)
        self.btn_add.clicked.connect(self.select_and_add_current_column)
Exemplo n.º 12
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class Prefences(QDialog):
    """Preferences dialog"""
    @property
    def bt_apply(self):
        return self.bbox.button(QDialogButtonBox.Apply)

    @property
    def pages(self):
        return map(self.get_page, range(self.pages_widget.count()))

    def __init__(self, main=None):
        super(Prefences, self).__init__(parent=main)
        self.setWindowTitle('Preferences')

        # Widgets
        self.pages_widget = QStackedWidget()
        self.contents_widget = QListWidget()
        self.bt_reset = QPushButton('Reset to defaults')
        self.bt_load_plugins = QPushButton('Load plugin pages')
        self.bt_load_plugins.setToolTip(
            'Load the rcParams for the plugins in separate pages')

        self.bbox = bbox = QDialogButtonBox(QDialogButtonBox.Ok
                                            | QDialogButtonBox.Apply
                                            | QDialogButtonBox.Cancel)

        # Widgets setup
        # Destroying the C++ object right after closing the dialog box,
        # otherwise it may be garbage-collected in another QThread
        # (e.g. the editor's analysis thread in Spyder), thus leading to
        # a segmentation fault on UNIX or an application crash on Windows
        self.setAttribute(Qt.WA_DeleteOnClose)
        self.setWindowTitle('Preferences')
        self.contents_widget.setMovement(QListView.Static)
        self.contents_widget.setSpacing(1)
        self.contents_widget.setCurrentRow(0)

        # Layout
        hsplitter = QSplitter()
        hsplitter.addWidget(self.contents_widget)
        hsplitter.addWidget(self.pages_widget)
        hsplitter.setStretchFactor(1, 1)

        btnlayout = QHBoxLayout()
        btnlayout.addWidget(self.bt_reset)
        btnlayout.addWidget(self.bt_load_plugins)
        btnlayout.addStretch(1)
        btnlayout.addWidget(bbox)

        vlayout = QVBoxLayout()
        vlayout.addWidget(hsplitter)
        vlayout.addLayout(btnlayout)

        self.setLayout(vlayout)

        # Signals and slots
        if main is not None:
            self.bt_reset.clicked.connect(main.reset_rcParams)
        self.bt_load_plugins.clicked.connect(self.load_plugin_pages)
        self.pages_widget.currentChanged.connect(self.current_page_changed)
        self.contents_widget.currentRowChanged.connect(
            self.pages_widget.setCurrentIndex)
        bbox.accepted.connect(self.accept)
        bbox.rejected.connect(self.reject)
        self.bt_apply.clicked.connect(self.apply_clicked)
        self.bt_apply.setEnabled(False)

    def set_current_index(self, index):
        """Set current page index"""
        self.contents_widget.setCurrentRow(index)

    def current_page_changed(self, index):
        configpage = self.get_page(index)
        self.bt_apply.setVisible(not configpage.auto_updates)
        self.check_changes(configpage)

    def get_page(self, index=None):
        """Return page widget"""
        if index is None:
            widget = self.pages_widget.currentWidget()
        else:
            widget = self.pages_widget.widget(index)
        return widget.widget()

    def accept(self):
        """Reimplement Qt method"""
        for configpage in self.pages:
            if not configpage.is_valid:
                continue
            configpage.apply_changes()
        QDialog.accept(self)

    def apply_clicked(self):
        # Apply button was clicked
        configpage = self.get_page()
        if configpage.is_valid:
            configpage.apply_changes()
        self.check_changes(configpage)

    def add_page(self, widget):
        """Add a new page to the preferences dialog

        Parameters
        ----------
        widget: ConfigPage
            The page to add"""
        widget.validChanged.connect(self.bt_apply.setEnabled)
        widget.validChanged.connect(
            self.bbox.button(QDialogButtonBox.Ok).setEnabled)
        scrollarea = QScrollArea(self)
        scrollarea.setWidgetResizable(True)
        scrollarea.setWidget(widget)
        self.pages_widget.addWidget(scrollarea)
        item = QListWidgetItem(self.contents_widget)
        try:
            item.setIcon(widget.icon)
        except TypeError:
            pass
        item.setText(widget.title)
        item.setFlags(Qt.ItemIsSelectable | Qt.ItemIsEnabled)
        item.setSizeHint(QtCore.QSize(0, 25))
        widget.propose_changes.connect(self.check_changes)

    def check_changes(self, configpage):
        """Enable the apply button if there are changes to the settings"""
        if configpage != self.get_page():
            return
        self.bt_apply.setEnabled(not configpage.auto_updates
                                 and configpage.is_valid
                                 and configpage.changed)

    def load_plugin_pages(self):
        """Load the rcParams for the plugins in separate pages"""
        validators = psy_rcParams.validate
        descriptions = psy_rcParams.descriptions
        for ep in psy_rcParams._load_plugin_entrypoints():
            plugin = ep.load()
            rc = getattr(plugin, 'rcParams', None)
            if rc is None:
                rc = RcParams()
            w = RcParamsWidget(parent=self)
            w.title = 'rcParams of ' + ep.module_name
            w.default_path = PsyRcParamsWidget.default_path
            w.initialize(rcParams=rc,
                         validators=validators,
                         descriptions=descriptions)
            # use the full rcParams after initialization
            w.rc = psy_rcParams
            self.add_page(w)
Exemplo n.º 13
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class DataFrameEditor(DockMixin, QWidget):
    """An editor for data frames"""

    dock_cls = DataFrameDock

    #: A signal that is emitted, if the table is cleared
    cleared = QtCore.pyqtSignal()

    #: A signal that is emitted when a cell has been changed. The argument
    #: is a tuple of two integers and one float:
    #: the row index, the column index and the new value
    cell_edited = QtCore.pyqtSignal(int, int, object, object)

    #: A signal that is emitted, if rows have been inserted into the dataframe.
    #: The first value is the integer of the (original) position of the row,
    #: the second one is the number of rows
    rows_inserted = QtCore.pyqtSignal(int, int)

    @property
    def hidden(self):
        return not self.table.filled

    def __init__(self, *args, **kwargs):
        super(DataFrameEditor, self).__init__(*args, **kwargs)
        self.error_msg = PyErrorMessage(self)

        # Label for displaying the DataFrame size
        self.lbl_size = QLabel()

        # A Checkbox for enabling and disabling the editability of the index
        self.cb_index_editable = QCheckBox('Index editable')

        # A checkbox for enabling and disabling the change of data types
        self.cb_dtypes_changeable = QCheckBox('Datatypes changeable')

        # A checkbox for enabling and disabling sorting
        self.cb_enable_sort = QCheckBox('Enable sorting')

        # A button to open a dataframe from the file
        self.btn_open_df = QToolButton(parent=self)
        self.btn_open_df.setIcon(QIcon(get_icon('run_arrow.png')))
        self.btn_open_df.setToolTip('Open a DataFrame from your disk')

        self.btn_from_console = LoadFromConsoleButton(pd.DataFrame)
        self.btn_from_console.setToolTip('Show a DataFrame from the console')

        # The table to display the DataFrame
        self.table = DataFrameView(pd.DataFrame(), self)

        # format line edit
        self.format_editor = QLineEdit()
        self.format_editor.setText(self.table.model()._format)

        # format update button
        self.btn_change_format = QPushButton('Update')
        self.btn_change_format.setEnabled(False)

        # table clearing button
        self.btn_clear = QPushButton('Clear')
        self.btn_clear.setToolTip(
            'Clear the table and disconnect from the DataFrame')

        # refresh button
        self.btn_refresh = QToolButton()
        self.btn_refresh.setIcon(QIcon(get_icon('refresh.png')))
        self.btn_refresh.setToolTip('Refresh the table')

        # close button
        self.btn_close = QPushButton('Close')
        self.btn_close.setToolTip('Close this widget permanentely')

        # ---------------------------------------------------------------------
        # ------------------------ layout --------------------------------
        # ---------------------------------------------------------------------
        vbox = QVBoxLayout()
        self.top_hbox = hbox = QHBoxLayout()
        hbox.addWidget(self.cb_index_editable)
        hbox.addWidget(self.cb_dtypes_changeable)
        hbox.addWidget(self.cb_enable_sort)
        hbox.addWidget(self.lbl_size)
        hbox.addStretch(0)
        hbox.addWidget(self.btn_open_df)
        hbox.addWidget(self.btn_from_console)
        vbox.addLayout(hbox)
        vbox.addWidget(self.table)
        self.bottom_hbox = hbox = QHBoxLayout()
        hbox.addWidget(self.format_editor)
        hbox.addWidget(self.btn_change_format)
        hbox.addStretch(0)
        hbox.addWidget(self.btn_clear)
        hbox.addWidget(self.btn_close)
        hbox.addWidget(self.btn_refresh)
        vbox.addLayout(hbox)
        self.setLayout(vbox)

        # ---------------------------------------------------------------------
        # ------------------------ Connections --------------------------------
        # ---------------------------------------------------------------------
        self.cb_dtypes_changeable.stateChanged.connect(
            self.set_dtypes_changeable)
        self.cb_index_editable.stateChanged.connect(self.set_index_editable)
        self.btn_from_console.object_loaded.connect(self._open_ds_from_console)
        self.rows_inserted.connect(lambda i, n: self.set_lbl_size_text())
        self.format_editor.textChanged.connect(self.toggle_fmt_button)
        self.btn_change_format.clicked.connect(self.update_format)
        self.btn_clear.clicked.connect(self.clear_table)
        self.btn_close.clicked.connect(self.clear_table)
        self.btn_close.clicked.connect(lambda: self.close())
        self.btn_refresh.clicked.connect(self.table.reset_model)
        self.btn_open_df.clicked.connect(self._open_dataframe)
        self.table.set_index_action.triggered.connect(
            self.update_index_editable)
        self.table.append_index_action.triggered.connect(
            self.update_index_editable)
        self.cb_enable_sort.stateChanged.connect(
            self.table.setSortingEnabled)

    def update_index_editable(self):
        model = self.table.model()
        if len(model.df.index.names) > 1:
            model.index_editable = False
            self.cb_index_editable.setEnabled(False)
        self.cb_index_editable.setChecked(model.index_editable)

    def set_lbl_size_text(self, nrows=None, ncols=None):
        """Set the text of the :attr:`lbl_size` label to display the size"""
        model = self.table.model()
        nrows = nrows if nrows is not None else model.rowCount()
        ncols = ncols if ncols is not None else model.columnCount()
        if not nrows and not ncols:
            self.lbl_size.setText('')
        else:
            self.lbl_size.setText('Rows: %i, Columns: %i' % (nrows, ncols))

    def clear_table(self):
        """Clear the table and emit the :attr:`cleared` signal"""
        df = pd.DataFrame()
        self.set_df(df, show=False)

    def _open_ds_from_console(self, oname, df):
        self.set_df(df)

    @docstrings.dedent
    def set_df(self, df, *args, **kwargs):
        """
        Fill the table from a :class:`~pandas.DataFrame`

        Parameters
        ----------
        %(DataFrameModel.parameters.no_parent)s
        show: bool
            If True (default), show and raise_ the editor
        """
        show = kwargs.pop('show', True)
        self.table.set_df(df, *args, **kwargs)
        self.set_lbl_size_text(*df.shape)
        model = self.table.model()
        self.cb_dtypes_changeable.setChecked(model.dtypes_changeable)

        if len(model.df.index.names) > 1:
            model.index_editable = False
            self.cb_index_editable.setEnabled(False)
        else:
            self.cb_index_editable.setEnabled(True)
        self.cb_index_editable.setChecked(model.index_editable)
        self.cleared.emit()
        if show:
            self.show_plugin()
            self.dock.raise_()

    def set_index_editable(self, state):
        """Set the :attr:`DataFrameModel.index_editable` attribute"""
        self.table.model().index_editable = state == Qt.Checked

    def set_dtypes_changeable(self, state):
        """Set the :attr:`DataFrameModel.dtypes_changeable` attribute"""
        self.table.model().dtypes_changeable = state == Qt.Checked

    def toggle_fmt_button(self, text):
        try:
            text % 1.1
        except (TypeError, ValueError):
            self.btn_change_format.setEnabled(False)
        else:
            self.btn_change_format.setEnabled(
                text.strip() != self.table.model()._format)

    def update_format(self):
        """Update the format of the table"""
        self.table.model().set_format(self.format_editor.text().strip())

    def to_dock(self, main, *args, **kwargs):
        connect = self.dock is None
        super(DataFrameEditor, self).to_dock(main, *args, **kwargs)
        if connect:
            self.dock.toggleViewAction().triggered.connect(self.maybe_tabify)

    def maybe_tabify(self):
        main = self.dock.parent()
        if self.is_shown and main.dockWidgetArea(
                main.help_explorer.dock) == main.dockWidgetArea(self.dock):
            main.tabifyDockWidget(main.help_explorer.dock, self.dock)

    def _open_dataframe(self):
        self.open_dataframe()

    def open_dataframe(self, fname=None, *args, **kwargs):
        """Opens a file dialog and the dataset that has been inserted"""
        if fname is None:
            fname = QFileDialog.getOpenFileName(
                self, 'Open dataset', os.getcwd(),
                'Comma separated files (*.csv);;'
                'Excel files (*.xls *.xlsx);;'
                'JSON files (*.json);;'
                'All files (*)'
                )
            if with_qt5:  # the filter is passed as well
                fname = fname[0]
        if isinstance(fname, pd.DataFrame):
            self.set_df(fname)
        elif not fname:
            return
        else:
            ext = osp.splitext(fname)[1]
            open_funcs = {
                '.xls': pd.read_excel, '.xlsx': pd.read_excel,
                '.json': pd.read_json,
                '.tab': partial(pd.read_csv, delimiter='\t'),
                '.dat': partial(pd.read_csv, delim_whitespace=True),
                }
            open_func = open_funcs.get(ext, pd.read_csv)
            try:
                df = open_func(fname)
            except Exception:
                self.error_msg.showTraceback(
                    '<b>Could not open DataFrame %s with %s</b>' % (
                        fname, open_func))
                return
            self.set_df(df)

    def close(self, *args, **kwargs):
        if self.dock is not None:
            self.dock.close(*args, **kwargs)  # removes the dock window
            del self.dock
        return super(DataFrameEditor, self).close(*args, **kwargs)
Exemplo n.º 14
0
class PatternSelectionWidget(QWidget, DockMixin):
    """A wdiget to select patterns in the image

    This widget consist of an :class:`EmbededMplCanvas` to display the template
    for the pattern and uses the :func:`skimage.feature.match_template`
    function to identify it in the :attr:`arr`

    See Also
    --------
    straditize.widget.selection_toolbar.SelectionToolbar.start_pattern_selection
    """

    #: The template to look for in the :attr:`arr`
    template = None

    #: The selector to select the template in the original image
    selector = None

    #: The extents of the :attr:`template` in the original image
    template_extents = None

    #: The matplotlib artist of the :attr:`template` in the
    #: :attr:`template_fig`
    template_im = None

    #: The :class:`EmbededMplCanvas` to display the :attr:`template`
    template_fig = None

    axes = None

    #: A QSlider to set the threshold for the template correlation
    sl_thresh = None

    _corr_plot = None

    key_press_cid = None

    def __init__(self, arr, data_obj, remove_selection=False, *args, **kwargs):
        """
        Parameters
        ----------
        arr: np.ndarray of shape ``(Ny, Nx)``
            The labeled selection array
        data_obj: straditize.label_selection.LabelSelection
            The data object whose image shall be selected
        remove_selection: bool
            If True, remove the selection on apply
        """
        super(PatternSelectionWidget, self).__init__(*args, **kwargs)
        self.arr = arr
        self.data_obj = data_obj
        self.remove_selection = remove_selection
        self.template = None

        # the figure to show the template
        self.template_fig = EmbededMplCanvas()
        # the button to select the template
        self.btn_select_template = QPushButton('Select a template')
        self.btn_select_template.setCheckable(True)
        # the checkbox to allow fractions of the template
        self.fraction_box = QGroupBox('Template fractions')
        self.fraction_box.setCheckable(True)
        self.fraction_box.setChecked(False)
        self.fraction_box.setEnabled(False)
        self.sl_fraction = QSlider(Qt.Horizontal)
        self.lbl_fraction = QLabel('0.75')
        self.sl_fraction.setValue(75)
        # the slider to select the increments of the fractions
        self.sl_increments = QSlider(Qt.Horizontal)
        self.sl_increments.setValue(3)
        self.sl_increments.setMinimum(1)
        self.lbl_increments = QLabel('3')
        # the button to perform the correlation
        self.btn_correlate = QPushButton('Find template')
        self.btn_correlate.setEnabled(False)
        # the button to plot the correlation
        self.btn_plot_corr = QPushButton('Plot correlation')
        self.btn_plot_corr.setCheckable(True)
        self.btn_plot_corr.setEnabled(False)
        # slider for subselection
        self.btn_select = QPushButton('Select pattern')
        self.sl_thresh = QSlider(Qt.Horizontal)
        self.lbl_thresh = QLabel('0.5')

        self.btn_select.setCheckable(True)
        self.btn_select.setEnabled(False)
        self.sl_thresh.setValue(75)
        self.sl_thresh.setVisible(False)
        self.lbl_thresh.setVisible(False)

        # cancel and close button
        self.btn_cancel = QPushButton('Cancel')
        self.btn_close = QPushButton('Apply')
        self.btn_close.setEnabled(False)

        vbox = QVBoxLayout()

        vbox.addWidget(self.template_fig)
        hbox = QHBoxLayout()
        hbox.addStretch(0)
        hbox.addWidget(self.btn_select_template)
        vbox.addLayout(hbox)

        fraction_layout = QGridLayout()
        fraction_layout.addWidget(QLabel('Fraction'), 0, 0)
        fraction_layout.addWidget(self.sl_fraction, 0, 1)
        fraction_layout.addWidget(self.lbl_fraction, 0, 2)
        fraction_layout.addWidget(QLabel('Increments'), 1, 0)
        fraction_layout.addWidget(self.sl_increments, 1, 1)
        fraction_layout.addWidget(self.lbl_increments, 1, 2)

        self.fraction_box.setLayout(fraction_layout)

        vbox.addWidget(self.fraction_box)
        vbox.addWidget(self.btn_correlate)
        vbox.addWidget(self.btn_plot_corr)
        vbox.addWidget(self.btn_select)
        thresh_box = QHBoxLayout()
        thresh_box.addWidget(self.sl_thresh)
        thresh_box.addWidget(self.lbl_thresh)
        vbox.addLayout(thresh_box)

        hbox = QHBoxLayout()
        hbox.addWidget(self.btn_cancel)
        hbox.addWidget(self.btn_close)
        vbox.addLayout(hbox)
        self.setLayout(vbox)

        self.btn_select_template.clicked.connect(
            self.toggle_template_selection)
        self.sl_fraction.valueChanged.connect(
            lambda i: self.lbl_fraction.setText(str(i / 100.)))
        self.sl_increments.valueChanged.connect(
            lambda i: self.lbl_increments.setText(str(i)))
        self.btn_correlate.clicked.connect(self.start_correlation)
        self.btn_plot_corr.clicked.connect(self.toggle_correlation_plot)
        self.sl_thresh.valueChanged.connect(
            lambda i: self.lbl_thresh.setText(str((i - 50) / 50.)))
        self.sl_thresh.valueChanged.connect(self.modify_selection)
        self.btn_select.clicked.connect(self.toggle_selection)

        self.btn_cancel.clicked.connect(self.cancel)
        self.btn_close.clicked.connect(self.close)

    def toggle_template_selection(self):
        """Enable or disable the template selection"""
        if (not self.btn_select_template.isChecked()
                and self.selector is not None):
            self.selector.set_active(False)
            for a in self.selector.artists:
                a.set_visible(False)
            self.btn_select_template.setText('Select a template')
        elif self.selector is not None and self.template_im is not None:
            self.selector.set_active(True)
            for a in self.selector.artists:
                a.set_visible(True)
            self.btn_select_template.setText('Apply')
        else:
            self.selector = RectangleSelector(self.data_obj.ax,
                                              self.update_image,
                                              interactive=True)
            if self.template_extents is not None:
                self.selector.draw_shape(self.template_extents)
            self.key_press_cid = self.data_obj.ax.figure.canvas.mpl_connect(
                'key_press_event', self.update_image)
            self.btn_select_template.setText('Cancel')
        self.data_obj.draw_figure()
        if self.template is not None:
            self.fraction_box.setEnabled(True)
            self.sl_increments.setMaximum(min(self.template.shape[:2]))
            self.btn_correlate.setEnabled(True)

    def update_image(self, *args, **kwargs):
        """Update the template image based on the :attr:`selector` extents"""
        if self.template_im is not None:
            self.template_im.remove()
            del self.template_im
        elif self.axes is None:
            self.axes = self.template_fig.figure.add_subplot(111)
            self.template_fig.figure.subplots_adjust(bottom=0.3)
        if not self.selector.artists[0].get_visible():
            self.template_extents = None
            self.template = None
            self.btn_select_template.setText('Cancel')
        else:
            self.template_extents = np.round(self.selector.extents).astype(int)
            x, y = self.template_extents.reshape((2, 2))
            if getattr(self.data_obj, 'extent', None) is not None:
                extent = self.data_obj.extent
                x -= int(min(extent[:2]))
                y -= int(min(extent[2:]))
            slx = slice(*sorted(x))
            sly = slice(*sorted(y))
            self.template = template = self.arr[sly, slx]
            if template.ndim == 3:
                self.template_im = self.axes.imshow(template)
            else:
                self.template_im = self.axes.imshow(template, cmap='binary')
            self.btn_select_template.setText('Apply')
        self.template_fig.draw()

    def start_correlation(self):
        """Look for the correlations of template and source"""
        if self.fraction_box.isChecked():
            self._fraction = self.sl_fraction.value() / 100.
            increments = self.sl_increments.value()
        else:
            self._fraction = 0
            increments = 1
        corr = self.correlate_template(self.arr, self.template, self._fraction,
                                       increments)
        if corr is not None:
            self._correlation = corr
        enable = self._correlation is not None
        self.btn_plot_corr.setEnabled(enable)
        self.btn_select.setEnabled(enable)

    def toggle_selection(self):
        """Modifiy the selection (or not) based on the template correlation"""
        obj = self.data_obj
        if self.btn_select.isChecked():
            self._orig_selection_arr = obj._selection_arr.copy()
            self._selected_labels = obj.selected_labels
            self._select_cmap = obj._select_cmap
            self._select_norm = obj._select_norm
            self.btn_select.setText('Reset')
            self.btn_close.setEnabled(True)
            obj.unselect_all_labels()
            self.sl_thresh.setVisible(True)
            self.lbl_thresh.setVisible(True)
            self.modify_selection(self.sl_thresh.value())
        else:
            if obj._selection_arr is not None:
                obj._selection_arr[:] = self._orig_selection_arr
                obj._select_img.set_array(self._orig_selection_arr)
                obj.select_labels(self._selected_labels)
                obj._update_magni_img()
            del self._orig_selection_arr, self._selected_labels
            self.btn_select.setText('Select pattern')
            self.btn_close.setEnabled(False)
            self.sl_thresh.setVisible(False)
            self.lbl_thresh.setVisible(False)
            obj.draw_figure()

    def modify_selection(self, i):
        """Modify the selection based on the correlation threshold

        Parameters
        ----------
        i: int
            An integer between 0 and 100, the value of the :attr:`sl_thresh`
            slider"""
        if not self.btn_select.isChecked():
            return
        obj = self.data_obj
        val = (i - 50.) / 50.
        # select the values above 50
        if not self.remove_selection:
            # clear the selection
            obj._selection_arr[:] = obj._orig_selection_arr.copy()
            select_val = obj._selection_arr.max() + 1
            obj._selection_arr[self._correlation >= val] = select_val
        else:
            obj._selection_arr[:] = self._orig_selection_arr.copy()
            obj._selection_arr[self._correlation >= val] = -1
        obj._select_img.set_array(obj._selection_arr)
        obj._update_magni_img()
        obj.draw_figure()

    def correlate_template(self,
                           arr,
                           template,
                           fraction=False,
                           increment=1,
                           report=True):
        """Correlate a template with the `arr`

        This method uses the :func:`skimage.feature.match_template` function
        to find the given `template` in the source array `arr`.

        Parameters
        ----------
        arr: np.ndarray of shape ``(Ny,Nx)``
            The labeled selection array (see :attr:`arr`), the source of the
            given `template`
        template: np.ndarray of shape ``(nx, ny)``
            The template from ``arr`` that shall be searched
        fraction: float
            If not null, we will look through the given fraction of the
            template to look for partial matches as well
        increment: int
            The increment of the loop with the `fraction`.
        report: bool
            If True and `fraction` is not null, a QProgressDialog is opened
            to inform the user about the progress"""
        from skimage.feature import match_template
        mask = self.data_obj.selected_part
        x = mask.any(axis=0)
        if not x.any():
            raise ValueError("No data selected!")
        y = mask.any(axis=1)
        xmin = x.argmax()
        xmax = len(x) - x[::-1].argmax()
        ymin = y.argmax()
        ymax = len(y) - y[::-1].argmax()
        if arr.ndim == 3:
            mask = np.tile(mask[..., np.newaxis], (1, 1, arr.shape[-1]))
        src = np.where(mask[ymin:ymax, xmin:xmax], arr[ymin:ymax, xmin:xmax],
                       0)
        sny, snx = src.shape
        if not fraction:
            corr = match_template(src, template)
            full_shape = np.array(corr.shape)
        else:  # loop through the template to allow partial hatches
            shp = np.array(template.shape, dtype=int)[:2]
            ny, nx = shp
            fshp = np.round(fraction * shp).astype(int)
            fny, fnx = fshp
            it = list(
                product(range(0, fny, increment), range(0, fnx, increment)))
            ntot = len(it)
            full_shape = fshp - shp + src.shape
            corr = np.zeros(full_shape, dtype=float)
            if report:
                txt = 'Searching template...'
                dialog = QProgressDialog(txt, 'Cancel', 0, ntot)
                dialog.setWindowModality(Qt.WindowModal)
                t0 = dt.datetime.now()
            for k, (i, j) in enumerate(it):
                if report:
                    dialog.setValue(k)
                    if k and not k % 10:
                        passed = (dt.datetime.now() - t0).total_seconds()
                        dialog.setLabelText(txt + ' %1.0f seconds remaning' %
                                            ((passed * (ntot / k - 1.))))
                if report and dialog.wasCanceled():
                    return
                else:
                    y_end, x_start = fshp - (i, j) - 1
                    sly = slice(y_end, full_shape[0])
                    slx = slice(0, -x_start or full_shape[1])
                    corr[sly, slx] = np.maximum(
                        corr[sly, slx],
                        match_template(src, template[:-i or ny, j:]))
        ret = np.zeros_like(arr, dtype=corr.dtype)
        dny, dnx = src.shape - full_shape
        for i, j in product(range(dny + 1), range(dnx + 1)):
            ret[ymin + i:ymax - dny + i, xmin + j:xmax - dnx + j] = np.maximum(
                ret[ymin + i:ymax - dny + i, xmin + j:xmax - dnx + j], corr)
        return np.where(mask, ret, 0)

    def toggle_correlation_plot(self):
        """Toggle the correlation plot between :attr:`template` and :attr:`arr`
        """
        obj = self.data_obj
        if self._corr_plot is None:
            self._corr_plot = obj.ax.imshow(
                self._correlation,
                extent=obj._select_img.get_extent(),
                zorder=obj._select_img.zorder + 0.1)
            self._corr_cbar = obj.ax.figure.colorbar(self._corr_plot,
                                                     orientation='vertical')
            self._corr_cbar.set_label('Correlation')
        else:
            for a in [self._corr_cbar, self._corr_plot]:
                try:
                    a.remove()
                except ValueError:
                    pass
            del self._corr_plot, self._corr_cbar
        obj.draw_figure()

    def to_dock(self,
                main,
                title=None,
                position=None,
                docktype='df',
                *args,
                **kwargs):
        if position is None:
            position = main.dockWidgetArea(main.help_explorer.dock)
        connect = self.dock is None
        ret = super(PatternSelectionWidget, self).to_dock(main,
                                                          title,
                                                          position,
                                                          docktype=docktype,
                                                          *args,
                                                          **kwargs)
        if connect:
            self.dock.toggleViewAction().triggered.connect(self.maybe_tabify)
        return ret

    def maybe_tabify(self):
        main = self.dock.parent()
        if self.is_shown and main.dockWidgetArea(
                main.help_explorer.dock) == main.dockWidgetArea(self.dock):
            main.tabifyDockWidget(main.help_explorer.dock, self.dock)

    def cancel(self):
        if self.btn_select.isChecked():
            self.btn_select.setChecked(False)
            self.toggle_selection()
        self.close()

    def close(self):
        from psyplot_gui.main import mainwindow
        if self.selector is not None:
            self.selector.disconnect_events()
            for a in self.selector.artists:
                try:
                    a.remove()
                except ValueError:
                    pass
            self.data_obj.draw_figure()
            del self.selector
        if self._corr_plot is not None:
            self.toggle_correlation_plot()
        if self.key_press_cid is not None:
            self.data_obj.ax.figure.canvas.mpl_disconnect(self.key_press_cid)
        for attr in ['data_obj', 'arr', 'template', 'key_press_cid']:
            try:
                delattr(self, attr)
            except AttributeError:
                pass
        mainwindow.removeDockWidget(self.dock)
        return super(PatternSelectionWidget, self).close()
Exemplo n.º 15
0
    def __init__(self, *args, **kwargs):
        from straditize.widgets.menu_actions import StraditizerMenuActions
        from straditize.widgets.progress_widget import ProgressWidget
        from straditize.widgets.data import DigitizingControl
        from straditize.widgets.selection_toolbar import SelectionToolbar
        from straditize.widgets.marker_control import MarkerControl
        from straditize.widgets.plots import PlotControl
        from straditize.widgets.axes_translations import AxesTranslations
        from straditize.widgets.image_correction import (ImageRotator,
                                                         ImageRescaler)
        from straditize.widgets.colnames import ColumnNamesManager
        self._straditizers = []
        super(StraditizerWidgets, self).__init__(*args, **kwargs)
        self.tree = QTreeWidget(parent=self)
        self.tree.setSelectionMode(QTreeWidget.NoSelection)
        self.refresh_button = QToolButton(self)
        self.refresh_button.setIcon(QIcon(get_psy_icon('refresh.png')))
        self.refresh_button.setToolTip('Refresh from the straditizer')
        self.apply_button = EnableButton('Apply', parent=self)
        self.cancel_button = EnableButton('Cancel', parent=self)
        self.attrs_button = QPushButton('Attributes', parent=self)
        self.tutorial_button = QPushButton('Tutorial', parent=self)
        self.tutorial_button.setCheckable(True)
        self.error_msg = PyErrorMessage(self)
        self.stradi_combo = QComboBox()
        self.btn_open_stradi = QToolButton()
        self.btn_open_stradi.setIcon(QIcon(get_psy_icon('run_arrow.png')))
        self.btn_close_stradi = QToolButton()
        self.btn_close_stradi.setIcon(QIcon(get_psy_icon('invalid.png')))
        self.btn_reload_autosaved = QPushButton("Reload")
        self.btn_reload_autosaved.setToolTip(
            "Close the straditizer and reload the last autosaved project")

        # ---------------------------------------------------------------------
        # --------------------------- Tree widgets ----------------------------
        # ---------------------------------------------------------------------
        self.tree.setHeaderLabels(['', ''])
        self.tree.setColumnCount(2)

        self.progress_item = QTreeWidgetItem(0)
        self.progress_item.setText(0, 'ToDo list')
        self.progress_widget = ProgressWidget(self, self.progress_item)

        self.menu_actions_item = QTreeWidgetItem(0)
        self.menu_actions_item.setText(0, 'Images import/export')
        self.tree.addTopLevelItem(self.menu_actions_item)
        self.menu_actions = StraditizerMenuActions(self)

        self.digitizer_item = item = QTreeWidgetItem(0)
        item.setText(0, 'Digitization control')
        self.digitizer = DigitizingControl(self, item)

        self.col_names_item = item = QTreeWidgetItem(0)
        item.setText(0, 'Column names')
        self.colnames_manager = ColumnNamesManager(self, item)
        self.add_info_button(item, 'column_names.rst')

        self.axes_translations_item = item = QTreeWidgetItem(0)
        item.setText(0, 'Axes translations')
        self.axes_translations = AxesTranslations(self, item)

        self.image_transform_item = item = QTreeWidgetItem(0)
        item.setText(0, 'Transform source image')

        self.image_rescaler = ImageRescaler(self, item)

        self.image_rotator_item = item = QTreeWidgetItem(0)
        item.setText(0, 'Rotate image')
        self.image_rotator = ImageRotator(self)
        self.image_transform_item.addChild(item)
        self.image_rotator.setup_children(item)

        self.plot_control_item = item = QTreeWidgetItem(0)
        item.setText(0, 'Plot control')
        self.plot_control = PlotControl(self, item)
        self.add_info_button(item, 'plot_control.rst')

        self.marker_control_item = item = QTreeWidgetItem(0)
        item.setText(0, 'Marker control')
        self.marker_control = MarkerControl(self, item)
        self.add_info_button(item, 'marker_control.rst')

        # ---------------------------------------------------------------------
        # ----------------------------- Toolbars ------------------------------
        # ---------------------------------------------------------------------
        self.selection_toolbar = SelectionToolbar(self, 'Selection toolbar')

        # ---------------------------------------------------------------------
        # ----------------------------- InfoButton ----------------------------
        # ---------------------------------------------------------------------
        self.info_button = InfoButton(self, get_doc_file('straditize.rst'))

        # ---------------------------------------------------------------------
        # --------------------------- Layouts ---------------------------------
        # ---------------------------------------------------------------------

        stradi_box = QHBoxLayout()
        stradi_box.addWidget(self.stradi_combo, 1)
        stradi_box.addWidget(self.btn_open_stradi)
        stradi_box.addWidget(self.btn_close_stradi)

        attrs_box = QHBoxLayout()
        attrs_box.addWidget(self.attrs_button)
        attrs_box.addStretch(0)
        attrs_box.addWidget(self.tutorial_button)

        btn_box = QHBoxLayout()
        btn_box.addWidget(self.refresh_button)
        btn_box.addWidget(self.info_button)
        btn_box.addStretch(0)
        btn_box.addWidget(self.apply_button)
        btn_box.addWidget(self.cancel_button)

        reload_box = QHBoxLayout()
        reload_box.addWidget(self.btn_reload_autosaved)
        reload_box.addStretch(0)

        vbox = QVBoxLayout()
        vbox.addLayout(stradi_box)
        vbox.addWidget(self.tree)
        vbox.addLayout(attrs_box)
        vbox.addLayout(btn_box)
        vbox.addLayout(reload_box)

        self.setLayout(vbox)

        self.apply_button.setEnabled(False)
        self.cancel_button.setEnabled(False)
        self.tree.expandItem(self.progress_item)
        self.tree.expandItem(self.digitizer_item)

        # ---------------------------------------------------------------------
        # --------------------------- Connections -----------------------------
        # ---------------------------------------------------------------------
        self.stradi_combo.currentIndexChanged.connect(self.set_current_stradi)
        self.refresh_button.clicked.connect(self.refresh)
        self.attrs_button.clicked.connect(self.edit_attrs)
        self.tutorial_button.clicked.connect(self.start_tutorial)
        self.open_external.connect(self._create_straditizer_from_args)
        self.btn_open_stradi.clicked.connect(
            self.menu_actions.open_straditizer)
        self.btn_close_stradi.clicked.connect(self.close_straditizer)
        self.btn_reload_autosaved.clicked.connect(self.reload_autosaved)

        self.refresh()
        header = self.tree.header()
        header.setStretchLastSection(False)
        header.setSectionResizeMode(0, QHeaderView.Stretch)
Exemplo n.º 16
0
    def __init__(self, straditizer, axes=None, *args, **kwargs):
        """
        Parameters
        ----------
        straditizer: weakref.ref
            The reference to the straditizer
        axes: matplotlib.axes.Axes
            The matplotlib axes corresponding to the marks
        """
        super(MultiCrossMarksEditor, self).__init__(*args, **kwargs)
        self.straditizer = straditizer
        straditizer = straditizer()
        self.error_msg = PyErrorMessage(self)

        #: Plot the reconstructed data
        self.cb_plot_lines = QCheckBox('Plot reconstruction')
        self.cb_plot_lines.setChecked(True)

        # A Checkbox to automatically zoom to the selection
        self.cb_zoom_to_selection = QCheckBox('Zoom to selection')

        # A Checkbox to automaticall hide the other marks
        self.cb_selection_only = QCheckBox('Selection only')

        # A Checkbox to automatically fit the selected cells to the selected
        # data
        self.cb_fit2selection = QCheckBox(
            'Fit selected cells to selected data')
        self.cb_fit2selection.setToolTip(
            'If checked, select cells from the table and click on one of the '
            'plots to update the table with the data at the selected position.'
        )

        # The table to display the DataFrame
        self.table = self.create_view(axes=axes)

        # format line edit
        self.format_editor = QLineEdit()
        self.format_editor.setText(self.table.model()._format)

        # format update button
        self.btn_change_format = QPushButton('Update')
        self.btn_change_format.setEnabled(False)

        self.btn_save = QPushButton('Save')
        self.btn_save.setToolTip('Save the samples and continue editing')

        # ---------------------------------------------------------------------
        # ------------------------ layout --------------------------------
        # ---------------------------------------------------------------------
        vbox = QVBoxLayout()
        self.top_hbox = hbox = QHBoxLayout()
        hbox.addWidget(self.cb_zoom_to_selection)
        hbox.addWidget(self.cb_selection_only)
        hbox.addWidget(self.cb_fit2selection)
        hbox.addWidget(self.cb_plot_lines)
        hbox.addStretch(0)
        vbox.addLayout(hbox)
        vbox.addWidget(self.table)
        self.bottom_hbox = hbox = QHBoxLayout()
        hbox.addWidget(self.format_editor)
        hbox.addWidget(self.btn_change_format)
        hbox.addStretch(0)
        hbox.addWidget(self.btn_save)
        vbox.addLayout(hbox)
        self.setLayout(vbox)

        # ---------------------------------------------------------------------
        # ------------------------ Connections --------------------------------
        # ---------------------------------------------------------------------
        self.format_editor.textChanged.connect(self.toggle_fmt_button)
        self.btn_change_format.clicked.connect(self.update_format)
        self.btn_save.clicked.connect(self.save_samples)
        straditizer.mark_added.connect(self.table.model().load_new_marks)
        straditizer.mark_removed.connect(self.table.model().remove_mark)
        self.table.selectionModel().selectionChanged.connect(
            self.maybe_zoom_to_selection)
        self.table.frozen_table_view.selectionModel().selectionChanged.connect(
            self.maybe_zoom_to_selection)
        self.table.selectionModel().selectionChanged.connect(
            self.maybe_show_selection_only)
        self.table.frozen_table_view.selectionModel().selectionChanged.connect(
            self.maybe_show_selection_only)

        self.cb_zoom_to_selection.stateChanged.connect(
            self.toggle_cb_zoom_to_selection)
        self.cb_selection_only.stateChanged.connect(
            self.toggle_cb_selection_only)
        self.cb_fit2selection.stateChanged.connect(self.toggle_fit2selection)
        self.cb_plot_lines.stateChanged.connect(self.toggle_plot_lines)

        self.toggle_plot_lines()
Exemplo n.º 17
0
class Prefences(QDialog):
    """Preferences dialog"""

    @property
    def bt_apply(self):
        return self.bbox.button(QDialogButtonBox.Apply)

    @property
    def pages(self):
        return map(self.get_page, range(self.pages_widget.count()))

    def __init__(self, main=None):
        super(Prefences, self).__init__(parent=main)
        self.setWindowTitle('Preferences')

        # Widgets
        self.pages_widget = QStackedWidget()
        self.contents_widget = QListWidget()
        self.bt_reset = QPushButton('Reset to defaults')
        self.bt_load_plugins = QPushButton('Load plugin pages')
        self.bt_load_plugins.setToolTip(
            'Load the rcParams for the plugins in separate pages')

        self.bbox = bbox = QDialogButtonBox(
            QDialogButtonBox.Ok | QDialogButtonBox.Apply |
            QDialogButtonBox.Cancel)

        # Widgets setup
        # Destroying the C++ object right after closing the dialog box,
        # otherwise it may be garbage-collected in another QThread
        # (e.g. the editor's analysis thread in Spyder), thus leading to
        # a segmentation fault on UNIX or an application crash on Windows
        self.setAttribute(Qt.WA_DeleteOnClose)
        self.setWindowTitle('Preferences')
        self.contents_widget.setMovement(QListView.Static)
        self.contents_widget.setSpacing(1)
        self.contents_widget.setCurrentRow(0)

        # Layout
        hsplitter = QSplitter()
        hsplitter.addWidget(self.contents_widget)
        hsplitter.addWidget(self.pages_widget)
        hsplitter.setStretchFactor(1, 1)

        btnlayout = QHBoxLayout()
        btnlayout.addWidget(self.bt_reset)
        btnlayout.addWidget(self.bt_load_plugins)
        btnlayout.addStretch(1)
        btnlayout.addWidget(bbox)

        vlayout = QVBoxLayout()
        vlayout.addWidget(hsplitter)
        vlayout.addLayout(btnlayout)

        self.setLayout(vlayout)

        # Signals and slots
        if main is not None:
            self.bt_reset.clicked.connect(main.reset_rcParams)
        self.bt_load_plugins.clicked.connect(self.load_plugin_pages)
        self.pages_widget.currentChanged.connect(self.current_page_changed)
        self.contents_widget.currentRowChanged.connect(
            self.pages_widget.setCurrentIndex)
        bbox.accepted.connect(self.accept)
        bbox.rejected.connect(self.reject)
        self.bt_apply.clicked.connect(self.apply_clicked)
        self.bt_apply.setEnabled(False)

    def set_current_index(self, index):
        """Set current page index"""
        self.contents_widget.setCurrentRow(index)

    def current_page_changed(self, index):
        configpage = self.get_page(index)
        self.bt_apply.setVisible(not configpage.auto_updates)
        self.check_changes(configpage)

    def get_page(self, index=None):
        """Return page widget"""
        if index is None:
            widget = self.pages_widget.currentWidget()
        else:
            widget = self.pages_widget.widget(index)
        return widget.widget()

    def accept(self):
        """Reimplement Qt method"""
        for configpage in self.pages:
            if not configpage.is_valid:
                continue
            configpage.apply_changes()
        QDialog.accept(self)

    def apply_clicked(self):
        # Apply button was clicked
        configpage = self.get_page()
        if configpage.is_valid:
            configpage.apply_changes()
        self.check_changes(configpage)

    def add_page(self, widget):
        """Add a new page to the preferences dialog

        Parameters
        ----------
        widget: ConfigPage
            The page to add"""
        widget.validChanged.connect(self.bt_apply.setEnabled)
        widget.validChanged.connect(
            self.bbox.button(QDialogButtonBox.Ok).setEnabled)
        scrollarea = QScrollArea(self)
        scrollarea.setWidgetResizable(True)
        scrollarea.setWidget(widget)
        self.pages_widget.addWidget(scrollarea)
        item = QListWidgetItem(self.contents_widget)
        try:
            item.setIcon(widget.icon)
        except TypeError:
            pass
        item.setText(widget.title)
        item.setFlags(Qt.ItemIsSelectable | Qt.ItemIsEnabled)
        item.setSizeHint(QtCore.QSize(0, 25))
        widget.propose_changes.connect(self.check_changes)

    def check_changes(self, configpage):
        """Enable the apply button if there are changes to the settings"""
        if configpage != self.get_page():
            return
        self.bt_apply.setEnabled(
            not configpage.auto_updates and configpage.is_valid and
            configpage.changed)

    def load_plugin_pages(self):
        """Load the rcParams for the plugins in separate pages"""
        validators = psy_rcParams.validate
        descriptions = psy_rcParams.descriptions
        for ep in psy_rcParams._load_plugin_entrypoints():
            plugin = ep.load()
            rc = getattr(plugin, 'rcParams', None)
            if rc is None:
                rc = RcParams()
            w = RcParamsWidget(parent=self)
            w.title = 'rcParams of ' + ep.module_name
            w.default_path = PsyRcParamsWidget.default_path
            w.initialize(rcParams=rc, validators=validators,
                         descriptions=descriptions)
            # use the full rcParams after initialization
            w.rc = psy_rcParams
            self.add_page(w)
Exemplo n.º 18
0
    def __init__(self, *args, **kwargs):
        """
        Parameters
        ----------
        help_explorer: psyplot_gui.help_explorer.HelpExplorer
            The help explorer to show the documentation of one formatoption
        console: psyplot_gui.console.ConsoleWidget
            The console that can be used to update the current subproject via::

                psy.gcp().update(**kwargs)

            where ``**kwargs`` is defined through the selected formatoption
            in the :attr:`fmt_combo` combobox and the value in the
            :attr:`line_edit` editor
        ``*args, **kwargs``
            Any other keyword for the QWidget class
        """
        help_explorer = kwargs.pop('help_explorer', None)
        console = kwargs.pop('console', None)
        super(FormatoptionWidget, self).__init__(*args, **kwargs)
        self.help_explorer = help_explorer
        self.console = console
        self.error_msg = PyErrorMessage(self)

        # ---------------------------------------------------------------------
        # -------------------------- Child widgets ----------------------------
        # ---------------------------------------------------------------------
        self.group_combo = QComboBox(parent=self)
        self.fmt_combo = QComboBox(parent=self)
        self.line_edit = QLineEdit(parent=self)
        self.text_edit = QTextEdit(parent=self)
        self.run_button = QToolButton(parent=self)

        # completer for the fmto widget
        self.fmt_combo.setEditable(True)
        self.fmt_combo.setInsertPolicy(QComboBox.NoInsert)
        self.fmto_completer = completer = QCompleter(
            ['time', 'lat', 'lon', 'lev'])
        completer.setCompletionMode(QCompleter.PopupCompletion)
        completer.activated[str].connect(self.set_fmto)
        if with_qt5:
            completer.setFilterMode(Qt.MatchContains)
        completer.setModel(QStandardItemModel())
        self.fmt_combo.setCompleter(completer)

        self.dim_widget = DimensionsWidget(parent=self)
        self.dim_widget.setVisible(False)

        self.multiline_button = QPushButton('Multiline', parent=self)
        self.multiline_button.setCheckable(True)

        self.yaml_cb = QCheckBox('Yaml syntax')
        self.yaml_cb.setChecked(True)

        self.keys_button = QPushButton('Keys', parent=self)
        self.summaries_button = QPushButton('Summaries', parent=self)
        self.docs_button = QPushButton('Docs', parent=self)

        self.grouped_cb = QCheckBox('grouped', parent=self)
        self.all_groups_cb = QCheckBox('all groups', parent=self)
        self.include_links_cb = QCheckBox('include links', parent=self)

        self.text_edit.setVisible(False)

        # ---------------------------------------------------------------------
        # -------------------------- Descriptions -----------------------------
        # ---------------------------------------------------------------------

        self.group_combo.setToolTip('Select the formatoption group')
        self.fmt_combo.setToolTip('Select the formatoption to update')
        self.line_edit.setToolTip(
            'Insert the value which what you want to update the selected '
            'formatoption and hit right button. The code is executed in the '
            'main console.')
        self.yaml_cb.setToolTip(
            "Use the yaml syntax for the values inserted in the above cell. "
            "Otherwise the content there is evaluated as a python expression "
            "in the terminal")
        self.text_edit.setToolTip(self.line_edit.toolTip())
        self.run_button.setIcon(QIcon(get_icon('run_arrow.png')))
        self.run_button.setToolTip('Update the selected formatoption')
        self.multiline_button.setToolTip(
            'Allow linebreaks in the text editor line above.')
        self.keys_button.setToolTip(
            'Show the formatoption keys in this group (or in all '
            'groups) in the help explorer')
        self.summaries_button.setToolTip(
            'Show the formatoption summaries in this group (or in all '
            'groups) in the help explorer')
        self.docs_button.setToolTip(
            'Show the formatoption documentations in this group (or in all '
            'groups) in the help explorer')
        self.grouped_cb.setToolTip(
            'Group the formatoptions before displaying them in the help '
            'explorer')
        self.all_groups_cb.setToolTip('Use all groups when displaying the '
                                      'keys, docs or summaries')
        self.include_links_cb.setToolTip(
            'Include links to remote documentations when showing the '
            'keys, docs and summaries in the help explorer (requires '
            'intersphinx)')

        # ---------------------------------------------------------------------
        # -------------------------- Connections ------------------------------
        # ---------------------------------------------------------------------
        self.group_combo.currentIndexChanged[int].connect(self.fill_fmt_combo)
        self.fmt_combo.currentIndexChanged[int].connect(self.show_fmt_info)
        self.fmt_combo.currentIndexChanged[int].connect(self.load_fmt_widget)
        self.fmt_combo.currentIndexChanged[int].connect(
            self.set_current_fmt_value)
        self.run_button.clicked.connect(self.run_code)
        self.line_edit.returnPressed.connect(self.run_button.click)
        self.multiline_button.clicked.connect(self.toggle_line_edit)
        self.keys_button.clicked.connect(
            partial(self.show_all_fmt_info, 'keys'))
        self.summaries_button.clicked.connect(
            partial(self.show_all_fmt_info, 'summaries'))
        self.docs_button.clicked.connect(
            partial(self.show_all_fmt_info, 'docs'))

        # ---------------------------------------------------------------------
        # ------------------------------ Layouts ------------------------------
        # ---------------------------------------------------------------------
        self.combos = QHBoxLayout()
        self.combos.addWidget(self.group_combo)
        self.combos.addWidget(self.fmt_combo)

        self.execs = QHBoxLayout()
        self.execs.addWidget(self.line_edit)
        self.execs.addWidget(self.text_edit)
        self.execs.addWidget(self.run_button)

        self.info_box = QHBoxLayout()
        self.info_box.addWidget(self.multiline_button)
        self.info_box.addWidget(self.yaml_cb)
        self.info_box.addStretch(0)
        for w in [
                self.keys_button, self.summaries_button, self.docs_button,
                self.all_groups_cb, self.grouped_cb, self.include_links_cb
        ]:
            self.info_box.addWidget(w)

        self.vbox = QVBoxLayout()
        self.vbox.addLayout(self.combos)
        self.vbox.addWidget(self.dim_widget)
        self.vbox.addLayout(self.execs)
        self.vbox.addLayout(self.info_box)

        self.vbox.setSpacing(0)

        self.setLayout(self.vbox)

        # fill with content
        self.fill_combos_from_project(psy.gcp())
        psy.Project.oncpchange.connect(self.fill_combos_from_project)
        rcParams.connect('fmt.sort_by_key', self.refill_from_rc)
Exemplo n.º 19
0
class DataFrameEditor(DockMixin, QWidget):
    """An editor for data frames"""

    dock_cls = DataFrameDock

    #: A signal that is emitted, if the table is cleared
    cleared = QtCore.pyqtSignal()

    #: A signal that is emitted when a cell has been changed. The argument
    #: is a tuple of two integers and one float:
    #: the row index, the column index and the new value
    cell_edited = QtCore.pyqtSignal(int, int, object, object)

    #: A signal that is emitted, if rows have been inserted into the dataframe.
    #: The first value is the integer of the (original) position of the row,
    #: the second one is the number of rows
    rows_inserted = QtCore.pyqtSignal(int, int)

    @property
    def hidden(self):
        return not self.table.filled

    def __init__(self, *args, **kwargs):
        super(DataFrameEditor, self).__init__(*args, **kwargs)
        self.error_msg = PyErrorMessage(self)

        # Label for displaying the DataFrame size
        self.lbl_size = QLabel()

        # A Checkbox for enabling and disabling the editability of the index
        self.cb_index_editable = QCheckBox('Index editable')

        # A checkbox for enabling and disabling the change of data types
        self.cb_dtypes_changeable = QCheckBox('Datatypes changeable')

        # A checkbox for enabling and disabling sorting
        self.cb_enable_sort = QCheckBox('Enable sorting')

        # A button to open a dataframe from the file
        self.btn_open_df = QToolButton(parent=self)
        self.btn_open_df.setIcon(QIcon(get_icon('run_arrow.png')))
        self.btn_open_df.setToolTip('Open a DataFrame from your disk')

        self.btn_from_console = LoadFromConsoleButton(pd.DataFrame)
        self.btn_from_console.setToolTip('Show a DataFrame from the console')

        # The table to display the DataFrame
        self.table = DataFrameView(pd.DataFrame(), self)

        # format line edit
        self.format_editor = QLineEdit()
        self.format_editor.setText(self.table.model()._format)

        # format update button
        self.btn_change_format = QPushButton('Update')
        self.btn_change_format.setEnabled(False)

        # table clearing button
        self.btn_clear = QPushButton('Clear')
        self.btn_clear.setToolTip(
            'Clear the table and disconnect from the DataFrame')

        # refresh button
        self.btn_refresh = QToolButton()
        self.btn_refresh.setIcon(QIcon(get_icon('refresh.png')))
        self.btn_refresh.setToolTip('Refresh the table')

        # close button
        self.btn_close = QPushButton('Close')
        self.btn_close.setToolTip('Close this widget permanentely')

        # ---------------------------------------------------------------------
        # ------------------------ layout --------------------------------
        # ---------------------------------------------------------------------
        vbox = QVBoxLayout()
        self.top_hbox = hbox = QHBoxLayout()
        hbox.addWidget(self.cb_index_editable)
        hbox.addWidget(self.cb_dtypes_changeable)
        hbox.addWidget(self.cb_enable_sort)
        hbox.addWidget(self.lbl_size)
        hbox.addStretch(0)
        hbox.addWidget(self.btn_open_df)
        hbox.addWidget(self.btn_from_console)
        vbox.addLayout(hbox)
        vbox.addWidget(self.table)
        self.bottom_hbox = hbox = QHBoxLayout()
        hbox.addWidget(self.format_editor)
        hbox.addWidget(self.btn_change_format)
        hbox.addStretch(0)
        hbox.addWidget(self.btn_clear)
        hbox.addWidget(self.btn_close)
        hbox.addWidget(self.btn_refresh)
        vbox.addLayout(hbox)
        self.setLayout(vbox)

        # ---------------------------------------------------------------------
        # ------------------------ Connections --------------------------------
        # ---------------------------------------------------------------------
        self.cb_dtypes_changeable.stateChanged.connect(
            self.set_dtypes_changeable)
        self.cb_index_editable.stateChanged.connect(self.set_index_editable)
        self.btn_from_console.object_loaded.connect(self._open_ds_from_console)
        self.rows_inserted.connect(lambda i, n: self.set_lbl_size_text())
        self.format_editor.textChanged.connect(self.toggle_fmt_button)
        self.btn_change_format.clicked.connect(self.update_format)
        self.btn_clear.clicked.connect(self.clear_table)
        self.btn_close.clicked.connect(self.clear_table)
        self.btn_close.clicked.connect(lambda: self.close())
        self.btn_refresh.clicked.connect(self.table.reset_model)
        self.btn_open_df.clicked.connect(self._open_dataframe)
        self.table.set_index_action.triggered.connect(
            self.update_index_editable)
        self.table.append_index_action.triggered.connect(
            self.update_index_editable)
        self.cb_enable_sort.stateChanged.connect(
            self.table.setSortingEnabled)

    def update_index_editable(self):
        model = self.table.model()
        if len(model.df.index.names) > 1:
            model.index_editable = False
            self.cb_index_editable.setEnabled(False)
        self.cb_index_editable.setChecked(model.index_editable)

    def set_lbl_size_text(self, nrows=None, ncols=None):
        """Set the text of the :attr:`lbl_size` label to display the size"""
        model = self.table.model()
        nrows = nrows if nrows is not None else model.rowCount()
        ncols = ncols if ncols is not None else model.columnCount()
        if not nrows and not ncols:
            self.lbl_size.setText('')
        else:
            self.lbl_size.setText('Rows: %i, Columns: %i' % (nrows, ncols))

    def clear_table(self):
        """Clear the table and emit the :attr:`cleared` signal"""
        df = pd.DataFrame()
        self.set_df(df, show=False)

    def _open_ds_from_console(self, oname, df):
        self.set_df(df)

    @docstrings.dedent
    def set_df(self, df, *args, **kwargs):
        """
        Fill the table from a :class:`~pandas.DataFrame`

        Parameters
        ----------
        %(DataFrameModel.parameters.no_parent)s
        show: bool
            If True (default), show and raise_ the editor
        """
        show = kwargs.pop('show', True)
        self.table.set_df(df, *args, **kwargs)
        self.set_lbl_size_text(*df.shape)
        model = self.table.model()
        self.cb_dtypes_changeable.setChecked(model.dtypes_changeable)

        if len(model.df.index.names) > 1:
            model.index_editable = False
            self.cb_index_editable.setEnabled(False)
        else:
            self.cb_index_editable.setEnabled(True)
        self.cb_index_editable.setChecked(model.index_editable)
        self.cleared.emit()
        if show:
            self.show_plugin()
            self.dock.raise_()

    def set_index_editable(self, state):
        """Set the :attr:`DataFrameModel.index_editable` attribute"""
        self.table.model().index_editable = state == Qt.Checked

    def set_dtypes_changeable(self, state):
        """Set the :attr:`DataFrameModel.dtypes_changeable` attribute"""
        self.table.model().dtypes_changeable = state == Qt.Checked

    def toggle_fmt_button(self, text):
        try:
            text % 1.1
        except (TypeError, ValueError):
            self.btn_change_format.setEnabled(False)
        else:
            self.btn_change_format.setEnabled(
                text.strip() != self.table.model()._format)

    def update_format(self):
        """Update the format of the table"""
        self.table.model().set_format(self.format_editor.text().strip())

    def to_dock(self, main, *args, **kwargs):
        connect = self.dock is None
        super(DataFrameEditor, self).to_dock(main, *args, **kwargs)
        if connect:
            self.dock.toggleViewAction().triggered.connect(self.maybe_tabify)

    def maybe_tabify(self):
        main = self.dock.parent()
        if self.is_shown and main.dockWidgetArea(
                main.help_explorer.dock) == main.dockWidgetArea(self.dock):
            main.tabifyDockWidget(main.help_explorer.dock, self.dock)

    def _open_dataframe(self):
        self.open_dataframe()

    def open_dataframe(self, fname=None, *args, **kwargs):
        """Opens a file dialog and the dataset that has been inserted"""
        if fname is None:
            fname = QFileDialog.getOpenFileName(
                self, 'Open dataset', os.getcwd(),
                'Comma separated files (*.csv);;'
                'Excel files (*.xls *.xlsx);;'
                'JSON files (*.json);;'
                'All files (*)'
                )
            if with_qt5:  # the filter is passed as well
                fname = fname[0]
        if isinstance(fname, pd.DataFrame):
            self.set_df(fname)
        elif not fname:
            return
        else:
            ext = osp.splitext(fname)[1]
            open_funcs = {
                '.xls': pd.read_excel, '.xlsx': pd.read_excel,
                '.json': pd.read_json,
                '.tab': partial(pd.read_csv, delimiter='\t'),
                '.dat': partial(pd.read_csv, delim_whitespace=True),
                }
            open_func = open_funcs.get(ext, pd.read_csv)
            try:
                df = open_func(fname)
            except Exception:
                self.error_msg.showTraceback(
                    '<b>Could not open DataFrame %s with %s</b>' % (
                        fname, open_func))
                return
            self.set_df(df)

    def close(self, *args, **kwargs):
        if self.dock is not None:
            self.dock.close(*args, **kwargs)  # removes the dock window
            del self.dock
        return super(DataFrameEditor, self).close(*args, **kwargs)
Exemplo n.º 20
0
    def __init__(self, *args, **kwargs):
        super(DataFrameEditor, self).__init__(*args, **kwargs)
        self.error_msg = PyErrorMessage(self)

        # Label for displaying the DataFrame size
        self.lbl_size = QLabel()

        # A Checkbox for enabling and disabling the editability of the index
        self.cb_index_editable = QCheckBox('Index editable')

        # A checkbox for enabling and disabling the change of data types
        self.cb_dtypes_changeable = QCheckBox('Datatypes changeable')

        # A checkbox for enabling and disabling sorting
        self.cb_enable_sort = QCheckBox('Enable sorting')

        # A button to open a dataframe from the file
        self.btn_open_df = QToolButton(parent=self)
        self.btn_open_df.setIcon(QIcon(get_icon('run_arrow.png')))
        self.btn_open_df.setToolTip('Open a DataFrame from your disk')

        self.btn_from_console = LoadFromConsoleButton(pd.DataFrame)
        self.btn_from_console.setToolTip('Show a DataFrame from the console')

        # The table to display the DataFrame
        self.table = DataFrameView(pd.DataFrame(), self)

        # format line edit
        self.format_editor = QLineEdit()
        self.format_editor.setText(self.table.model()._format)

        # format update button
        self.btn_change_format = QPushButton('Update')
        self.btn_change_format.setEnabled(False)

        # table clearing button
        self.btn_clear = QPushButton('Clear')
        self.btn_clear.setToolTip(
            'Clear the table and disconnect from the DataFrame')

        # refresh button
        self.btn_refresh = QToolButton()
        self.btn_refresh.setIcon(QIcon(get_icon('refresh.png')))
        self.btn_refresh.setToolTip('Refresh the table')

        # close button
        self.btn_close = QPushButton('Close')
        self.btn_close.setToolTip('Close this widget permanentely')

        # ---------------------------------------------------------------------
        # ------------------------ layout --------------------------------
        # ---------------------------------------------------------------------
        vbox = QVBoxLayout()
        self.top_hbox = hbox = QHBoxLayout()
        hbox.addWidget(self.cb_index_editable)
        hbox.addWidget(self.cb_dtypes_changeable)
        hbox.addWidget(self.cb_enable_sort)
        hbox.addWidget(self.lbl_size)
        hbox.addStretch(0)
        hbox.addWidget(self.btn_open_df)
        hbox.addWidget(self.btn_from_console)
        vbox.addLayout(hbox)
        vbox.addWidget(self.table)
        self.bottom_hbox = hbox = QHBoxLayout()
        hbox.addWidget(self.format_editor)
        hbox.addWidget(self.btn_change_format)
        hbox.addStretch(0)
        hbox.addWidget(self.btn_clear)
        hbox.addWidget(self.btn_close)
        hbox.addWidget(self.btn_refresh)
        vbox.addLayout(hbox)
        self.setLayout(vbox)

        # ---------------------------------------------------------------------
        # ------------------------ Connections --------------------------------
        # ---------------------------------------------------------------------
        self.cb_dtypes_changeable.stateChanged.connect(
            self.set_dtypes_changeable)
        self.cb_index_editable.stateChanged.connect(self.set_index_editable)
        self.btn_from_console.object_loaded.connect(self._open_ds_from_console)
        self.rows_inserted.connect(lambda i, n: self.set_lbl_size_text())
        self.format_editor.textChanged.connect(self.toggle_fmt_button)
        self.btn_change_format.clicked.connect(self.update_format)
        self.btn_clear.clicked.connect(self.clear_table)
        self.btn_close.clicked.connect(self.clear_table)
        self.btn_close.clicked.connect(lambda: self.close())
        self.btn_refresh.clicked.connect(self.table.reset_model)
        self.btn_open_df.clicked.connect(self._open_dataframe)
        self.table.set_index_action.triggered.connect(
            self.update_index_editable)
        self.table.append_index_action.triggered.connect(
            self.update_index_editable)
        self.cb_enable_sort.stateChanged.connect(
            self.table.setSortingEnabled)
Exemplo n.º 21
0
    def __init__(self, *args, **kwargs):
        """
        Parameters
        ----------
        help_explorer: psyplot_gui.help_explorer.HelpExplorer
            The help explorer to show the documentation of one formatoption
        shell: IPython.core.interactiveshell.InteractiveShell
            The shell that can be used to update the current subproject via::

                psy.gcp().update(**kwargs)

            where ``**kwargs`` is defined through the selected formatoption
            in the :attr:`fmt_combo` combobox and the value in the
            :attr:`line_edit` editor
        ``*args, **kwargs``
            Any other keyword for the QWidget class
        """
        help_explorer = kwargs.pop('help_explorer', None)
        shell = kwargs.pop('shell', None)
        super(FormatoptionWidget, self).__init__(*args, **kwargs)
        self.help_explorer = help_explorer
        self.shell = shell

        # ---------------------------------------------------------------------
        # -------------------------- Child widgets ----------------------------
        # ---------------------------------------------------------------------
        self.group_combo = QComboBox(parent=self)
        self.fmt_combo = QComboBox(parent=self)
        self.line_edit = QLineEdit(parent=self)
        self.run_button = QToolButton(parent=self)

        self.keys_button = QPushButton('Formatoption keys', parent=self)
        self.summaries_button = QPushButton('Summaries', parent=self)
        self.docs_button = QPushButton('Docs', parent=self)

        self.grouped_cb = QCheckBox('grouped', parent=self)
        self.all_groups_cb = QCheckBox('all groups', parent=self)
        self.include_links_cb = QCheckBox('include links', parent=self)

        # ---------------------------------------------------------------------
        # -------------------------- Descriptions -----------------------------
        # ---------------------------------------------------------------------

        self.group_combo.setToolTip('Select the formatoption group')
        self.fmt_combo.setToolTip('Select the formatoption to update')
        self.line_edit.setToolTip(
            'Insert the value which what you want to update the selected '
            'formatoption and hit right button. The code is executed in the '
            'main console.')
        self.run_button.setIcon(QIcon(get_icon('run_arrow.png')))
        self.run_button.setToolTip('Update the selected formatoption')
        self.keys_button.setToolTip(
            'Show the formatoption keys in this group (or in all '
            'groups) in the help explorer')
        self.summaries_button.setToolTip(
            'Show the formatoption summaries in this group (or in all '
            'groups) in the help explorer')
        self.docs_button.setToolTip(
            'Show the formatoption documentations in this group (or in all '
            'groups) in the help explorer')
        self.grouped_cb.setToolTip(
            'Group the formatoptions before displaying them in the help '
            'explorer')
        self.all_groups_cb.setToolTip('Use all groups when displaying the '
                                      'keys, docs or summaries')
        self.include_links_cb.setToolTip(
            'Include links to remote documentations when showing the '
            'keys, docs and summaries in the help explorer (requires '
            'intersphinx)')

        # ---------------------------------------------------------------------
        # -------------------------- Connections ------------------------------
        # ---------------------------------------------------------------------
        self.group_combo.currentIndexChanged[int].connect(self.fill_fmt_combo)
        self.fmt_combo.currentIndexChanged[int].connect(self.show_fmt_info)
        self.run_button.clicked.connect(self.run_code)
        self.line_edit.returnPressed.connect(self.run_button.click)
        self.keys_button.clicked.connect(
            partial(self.show_all_fmt_info, 'keys'))
        self.summaries_button.clicked.connect(
            partial(self.show_all_fmt_info, 'summaries'))
        self.docs_button.clicked.connect(
            partial(self.show_all_fmt_info, 'docs'))

        # ---------------------------------------------------------------------
        # ------------------------------ Layouts ------------------------------
        # ---------------------------------------------------------------------
        self.combos = QHBoxLayout()
        self.combos.addWidget(self.group_combo)
        self.combos.addWidget(self.fmt_combo)

        self.execs = QHBoxLayout()
        self.execs.addWidget(self.line_edit)
        self.execs.addWidget(self.run_button)

        self.info_box = QHBoxLayout()
        self.info_box.addStretch(0)
        for w in [
                self.keys_button, self.summaries_button, self.docs_button,
                self.all_groups_cb, self.grouped_cb, self.include_links_cb
        ]:
            self.info_box.addWidget(w)

        self.vbox = QVBoxLayout()
        self.vbox.addLayout(self.combos)
        self.vbox.addLayout(self.execs)
        self.vbox.addLayout(self.info_box)

        self.setLayout(self.vbox)

        # fill with content
        self.fill_combos_from_project(psy.gcp())
        psy.Project.oncpchange.connect(self.fill_combos_from_project)
Exemplo n.º 22
0
class FormatoptionWidget(QWidget, DockMixin):
    """
    Widget to update the formatoptions of the current project

    This widget, mainly made out of a combobox for the formatoption group,
    a combobox for the formatoption, and a one-line text editor, is designed
    for updating the selected formatoptions for the current subproject.

    The widget is connected to the :attr:`psyplot.project.Project.oncpchange`
    signal and refills the comboboxes if the current subproject changes.

    The one-line text editor accepts python code that will be executed in side
    the given `shell`.
    """

    no_fmtos_update = _temp_bool_prop('no_fmtos_update',
                                      """update the fmto combo box or not""")

    #: The combobox for the formatoption groups
    group_combo = None

    #: The combobox for the formatoptions
    fmt_combo = None

    #: The help_explorer to display the documentation of the formatoptions
    help_explorer = None

    #: The shell to execute the update of the formatoptions in the current
    #: project
    shell = None

    def __init__(self, *args, **kwargs):
        """
        Parameters
        ----------
        help_explorer: psyplot_gui.help_explorer.HelpExplorer
            The help explorer to show the documentation of one formatoption
        shell: IPython.core.interactiveshell.InteractiveShell
            The shell that can be used to update the current subproject via::

                psy.gcp().update(**kwargs)

            where ``**kwargs`` is defined through the selected formatoption
            in the :attr:`fmt_combo` combobox and the value in the
            :attr:`line_edit` editor
        ``*args, **kwargs``
            Any other keyword for the QWidget class
        """
        help_explorer = kwargs.pop('help_explorer', None)
        shell = kwargs.pop('shell', None)
        super(FormatoptionWidget, self).__init__(*args, **kwargs)
        self.help_explorer = help_explorer
        self.shell = shell

        # ---------------------------------------------------------------------
        # -------------------------- Child widgets ----------------------------
        # ---------------------------------------------------------------------
        self.group_combo = QComboBox(parent=self)
        self.fmt_combo = QComboBox(parent=self)
        self.line_edit = QLineEdit(parent=self)
        self.run_button = QToolButton(parent=self)

        self.keys_button = QPushButton('Formatoption keys', parent=self)
        self.summaries_button = QPushButton('Summaries', parent=self)
        self.docs_button = QPushButton('Docs', parent=self)

        self.grouped_cb = QCheckBox('grouped', parent=self)
        self.all_groups_cb = QCheckBox('all groups', parent=self)
        self.include_links_cb = QCheckBox('include links', parent=self)

        # ---------------------------------------------------------------------
        # -------------------------- Descriptions -----------------------------
        # ---------------------------------------------------------------------

        self.group_combo.setToolTip('Select the formatoption group')
        self.fmt_combo.setToolTip('Select the formatoption to update')
        self.line_edit.setToolTip(
            'Insert the value which what you want to update the selected '
            'formatoption and hit right button. The code is executed in the '
            'main console.')
        self.run_button.setIcon(QIcon(get_icon('run_arrow.png')))
        self.run_button.setToolTip('Update the selected formatoption')
        self.keys_button.setToolTip(
            'Show the formatoption keys in this group (or in all '
            'groups) in the help explorer')
        self.summaries_button.setToolTip(
            'Show the formatoption summaries in this group (or in all '
            'groups) in the help explorer')
        self.docs_button.setToolTip(
            'Show the formatoption documentations in this group (or in all '
            'groups) in the help explorer')
        self.grouped_cb.setToolTip(
            'Group the formatoptions before displaying them in the help '
            'explorer')
        self.all_groups_cb.setToolTip('Use all groups when displaying the '
                                      'keys, docs or summaries')
        self.include_links_cb.setToolTip(
            'Include links to remote documentations when showing the '
            'keys, docs and summaries in the help explorer (requires '
            'intersphinx)')

        # ---------------------------------------------------------------------
        # -------------------------- Connections ------------------------------
        # ---------------------------------------------------------------------
        self.group_combo.currentIndexChanged[int].connect(self.fill_fmt_combo)
        self.fmt_combo.currentIndexChanged[int].connect(self.show_fmt_info)
        self.run_button.clicked.connect(self.run_code)
        self.line_edit.returnPressed.connect(self.run_button.click)
        self.keys_button.clicked.connect(
            partial(self.show_all_fmt_info, 'keys'))
        self.summaries_button.clicked.connect(
            partial(self.show_all_fmt_info, 'summaries'))
        self.docs_button.clicked.connect(
            partial(self.show_all_fmt_info, 'docs'))

        # ---------------------------------------------------------------------
        # ------------------------------ Layouts ------------------------------
        # ---------------------------------------------------------------------
        self.combos = QHBoxLayout()
        self.combos.addWidget(self.group_combo)
        self.combos.addWidget(self.fmt_combo)

        self.execs = QHBoxLayout()
        self.execs.addWidget(self.line_edit)
        self.execs.addWidget(self.run_button)

        self.info_box = QHBoxLayout()
        self.info_box.addStretch(0)
        for w in [
                self.keys_button, self.summaries_button, self.docs_button,
                self.all_groups_cb, self.grouped_cb, self.include_links_cb
        ]:
            self.info_box.addWidget(w)

        self.vbox = QVBoxLayout()
        self.vbox.addLayout(self.combos)
        self.vbox.addLayout(self.execs)
        self.vbox.addLayout(self.info_box)

        self.setLayout(self.vbox)

        # fill with content
        self.fill_combos_from_project(psy.gcp())
        psy.Project.oncpchange.connect(self.fill_combos_from_project)

    def fill_combos_from_project(self, project):
        """Fill :attr:`group_combo` and :attr:`fmt_combo` from a project

        Parameters
        ----------
        project: psyplot.project.Project
            The project to use"""
        current_text = self.group_combo.currentText()
        with self.no_fmtos_update:
            self.group_combo.clear()
            if project is None or project.is_main or not len(project.plotters):
                self.fmt_combo.clear()
                self.groups = []
                self.fmtos = []
                self.line_edit.setEnabled(False)
                return
            self.line_edit.setEnabled(True)
            # get dimensions
            coords = sorted(project.coords_intersect)
            coords_name = [COORDSGROUP] if coords else []
            coords_verbose = ['Dimensions'] if coords else []
            coords = [coords] if coords else []

            # get formatoptions and group them alphabetically
            grouped_fmts = defaultdict(list)
            for fmto in project._fmtos:
                grouped_fmts[fmto.group].append(fmto)
            for val in six.itervalues(grouped_fmts):
                val.sort(key=self.get_name)
            grouped_fmts = OrderedDict(
                sorted(six.iteritems(grouped_fmts),
                       key=lambda t: psyp.groups.get(t[0], t[0])))
            fmt_groups = list(grouped_fmts.keys())
            # save original names
            self.groups = coords_name + [ALLGROUP] + fmt_groups
            # save verbose group names (which are used in the combo box)
            self.groupnames = coords_verbose + ['All formatoptions'] + list(
                map(lambda s: psyp.groups.get(s, s), fmt_groups))
            # save formatoptions
            fmtos = list(grouped_fmts.values())
            self.fmtos = coords + [sorted(chain(*fmtos), key=self.get_name)
                                   ] + fmtos
            self.group_combo.addItems(self.groupnames)
            ind = self.group_combo.findText(current_text)
            self.group_combo.setCurrentIndex(ind if ind >= 0 else 0)
        self.fill_fmt_combo(self.group_combo.currentIndex())

    def get_name(self, fmto):
        """Get the name of a :class:`psyplot.plotter.Formatoption` instance"""
        if isinstance(fmto, six.string_types):
            return fmto
        return '%s (%s)' % (fmto.name, fmto.key) if fmto.name else fmto.key

    def fill_fmt_combo(self, i):
        """Fill the :attr:`fmt_combo` combobox based on the current group name
        """
        if not self.no_fmtos_update:
            with self.no_fmtos_update:
                current_text = self.fmt_combo.currentText()
                self.fmt_combo.clear()
                self.fmt_combo.addItems(list(map(self.get_name,
                                                 self.fmtos[i])))
                ind = self.fmt_combo.findText(current_text)
                self.fmt_combo.setCurrentIndex(ind if ind >= 0 else 0)
            self.show_fmt_info(self.fmt_combo.currentIndex())

    def show_fmt_info(self, i):
        """Show the documentation of the formatoption in the help explorer
        """
        group_ind = self.group_combo.currentIndex()
        if (not self.no_fmtos_update
                and self.groups[group_ind] != COORDSGROUP):
            fmto = self.fmtos[self.group_combo.currentIndex()][i]
            fmto.plotter.show_docs(
                fmto.key, include_links=self.include_links_cb.isChecked())

    def run_code(self):
        """Run the update of the project inside the :attr:`shell`"""
        text = str(self.line_edit.text())
        if not text or not self.fmtos:
            return
        group_ind = self.group_combo.currentIndex()
        if self.groups[group_ind] == COORDSGROUP:
            key = self.fmtos[group_ind][self.fmt_combo.currentIndex()]
            param = 'dims'
        else:
            key = self.fmtos[group_ind][self.fmt_combo.currentIndex()].key
            param = 'fmt'
        e = ExecutionResult()
        self.shell.run_code(
            "psy.gcp().update(%s={'%s': %s})" % (param, key, text), e)
        e.raise_error()

    def show_all_fmt_info(self, what):
        """Show the keys, summaries or docs of the formatoptions

        Calling this function let's the help browser show the documentation
        etc. of all docs or only the selected group determined by the state of
        the :attr:`grouped_cb` and :attr:`all_groups_cb` checkboxes

        Parameters
        ----------
        what: {'keys', 'summaries', 'docs'}
            Determines what to show"""
        if not self.fmtos:
            return
        if self.all_groups_cb.isChecked():
            fmtos = list(
                chain(*(fmto_group for i, fmto_group in enumerate(self.fmtos)
                        if not self.groups[i] in [ALLGROUP, COORDSGROUP])))
        else:
            if self.groups[self.group_combo.currentIndex()] == COORDSGROUP:
                return
            fmtos = self.fmtos[self.group_combo.currentIndex()]
        plotter = fmtos[0].plotter
        getattr(plotter, 'show_' +
                what)([fmto.key for fmto in fmtos],
                      grouped=self.grouped_cb.isChecked(),
                      include_links=self.include_links_cb.isChecked())
Exemplo n.º 23
0
    def __init__(self, arr, data_obj, remove_selection=False, *args, **kwargs):
        """
        Parameters
        ----------
        arr: np.ndarray of shape ``(Ny, Nx)``
            The labeled selection array
        data_obj: straditize.label_selection.LabelSelection
            The data object whose image shall be selected
        remove_selection: bool
            If True, remove the selection on apply
        """
        super(PatternSelectionWidget, self).__init__(*args, **kwargs)
        self.arr = arr
        self.data_obj = data_obj
        self.remove_selection = remove_selection
        self.template = None

        # the figure to show the template
        self.template_fig = EmbededMplCanvas()
        # the button to select the template
        self.btn_select_template = QPushButton('Select a template')
        self.btn_select_template.setCheckable(True)
        # the checkbox to allow fractions of the template
        self.fraction_box = QGroupBox('Template fractions')
        self.fraction_box.setCheckable(True)
        self.fraction_box.setChecked(False)
        self.fraction_box.setEnabled(False)
        self.sl_fraction = QSlider(Qt.Horizontal)
        self.lbl_fraction = QLabel('0.75')
        self.sl_fraction.setValue(75)
        # the slider to select the increments of the fractions
        self.sl_increments = QSlider(Qt.Horizontal)
        self.sl_increments.setValue(3)
        self.sl_increments.setMinimum(1)
        self.lbl_increments = QLabel('3')
        # the button to perform the correlation
        self.btn_correlate = QPushButton('Find template')
        self.btn_correlate.setEnabled(False)
        # the button to plot the correlation
        self.btn_plot_corr = QPushButton('Plot correlation')
        self.btn_plot_corr.setCheckable(True)
        self.btn_plot_corr.setEnabled(False)
        # slider for subselection
        self.btn_select = QPushButton('Select pattern')
        self.sl_thresh = QSlider(Qt.Horizontal)
        self.lbl_thresh = QLabel('0.5')

        self.btn_select.setCheckable(True)
        self.btn_select.setEnabled(False)
        self.sl_thresh.setValue(75)
        self.sl_thresh.setVisible(False)
        self.lbl_thresh.setVisible(False)

        # cancel and close button
        self.btn_cancel = QPushButton('Cancel')
        self.btn_close = QPushButton('Apply')
        self.btn_close.setEnabled(False)

        vbox = QVBoxLayout()

        vbox.addWidget(self.template_fig)
        hbox = QHBoxLayout()
        hbox.addStretch(0)
        hbox.addWidget(self.btn_select_template)
        vbox.addLayout(hbox)

        fraction_layout = QGridLayout()
        fraction_layout.addWidget(QLabel('Fraction'), 0, 0)
        fraction_layout.addWidget(self.sl_fraction, 0, 1)
        fraction_layout.addWidget(self.lbl_fraction, 0, 2)
        fraction_layout.addWidget(QLabel('Increments'), 1, 0)
        fraction_layout.addWidget(self.sl_increments, 1, 1)
        fraction_layout.addWidget(self.lbl_increments, 1, 2)

        self.fraction_box.setLayout(fraction_layout)

        vbox.addWidget(self.fraction_box)
        vbox.addWidget(self.btn_correlate)
        vbox.addWidget(self.btn_plot_corr)
        vbox.addWidget(self.btn_select)
        thresh_box = QHBoxLayout()
        thresh_box.addWidget(self.sl_thresh)
        thresh_box.addWidget(self.lbl_thresh)
        vbox.addLayout(thresh_box)

        hbox = QHBoxLayout()
        hbox.addWidget(self.btn_cancel)
        hbox.addWidget(self.btn_close)
        vbox.addLayout(hbox)
        self.setLayout(vbox)

        self.btn_select_template.clicked.connect(
            self.toggle_template_selection)
        self.sl_fraction.valueChanged.connect(
            lambda i: self.lbl_fraction.setText(str(i / 100.)))
        self.sl_increments.valueChanged.connect(
            lambda i: self.lbl_increments.setText(str(i)))
        self.btn_correlate.clicked.connect(self.start_correlation)
        self.btn_plot_corr.clicked.connect(self.toggle_correlation_plot)
        self.sl_thresh.valueChanged.connect(
            lambda i: self.lbl_thresh.setText(str((i - 50) / 50.)))
        self.sl_thresh.valueChanged.connect(self.modify_selection)
        self.btn_select.clicked.connect(self.toggle_selection)

        self.btn_cancel.clicked.connect(self.cancel)
        self.btn_close.clicked.connect(self.close)
Exemplo n.º 24
0
class FormatoptionWidget(QWidget, DockMixin):
    """
    Widget to update the formatoptions of the current project

    This widget, mainly made out of a combobox for the formatoption group,
    a combobox for the formatoption, and a text editor, is designed
    for updating the selected formatoptions for the current subproject.

    The widget is connected to the :attr:`psyplot.project.Project.oncpchange`
    signal and refills the comboboxes if the current subproject changes.

    The text editor either accepts python code that will be executed by the
    given `console`, or yaml code.
    """

    no_fmtos_update = _temp_bool_prop(
        'no_fmtos_update', """update the fmto combo box or not""")

    #: The combobox for the formatoption groups
    group_combo = None

    #: The combobox for the formatoptions
    fmt_combo = None

    #: The help_explorer to display the documentation of the formatoptions
    help_explorer = None

    #: The formatoption specific widget that is loaded from the formatoption
    fmt_widget = None

    #: A line edit for updating the formatoptions
    line_edit = None

    #: A multiline text editor for updating the formatoptions
    text_edit = None

    #: A button to switch between :attr:`line_edit` and :attr:`text_edit`
    multiline_button = None

    @property
    def shell(self):
        """The shell to execute the update of the formatoptions in the current
        project"""
        return self.console.kernel_manager.kernel.shell

    def __init__(self, *args, **kwargs):
        """
        Parameters
        ----------
        help_explorer: psyplot_gui.help_explorer.HelpExplorer
            The help explorer to show the documentation of one formatoption
        console: psyplot_gui.console.ConsoleWidget
            The console that can be used to update the current subproject via::

                psy.gcp().update(**kwargs)

            where ``**kwargs`` is defined through the selected formatoption
            in the :attr:`fmt_combo` combobox and the value in the
            :attr:`line_edit` editor
        ``*args, **kwargs``
            Any other keyword for the QWidget class
        """
        help_explorer = kwargs.pop('help_explorer', None)
        console = kwargs.pop('console', None)
        super(FormatoptionWidget, self).__init__(*args, **kwargs)
        self.help_explorer = help_explorer
        self.console = console
        self.error_msg = PyErrorMessage(self)

        # ---------------------------------------------------------------------
        # -------------------------- Child widgets ----------------------------
        # ---------------------------------------------------------------------
        self.group_combo = QComboBox(parent=self)
        self.fmt_combo = QComboBox(parent=self)
        self.line_edit = QLineEdit(parent=self)
        self.text_edit = QTextEdit(parent=self)
        self.run_button = QToolButton(parent=self)

        # completer for the fmto widget
        self.fmt_combo.setEditable(True)
        self.fmt_combo.setInsertPolicy(QComboBox.NoInsert)
        self.fmto_completer = completer = QCompleter(
            ['time', 'lat', 'lon', 'lev'])
        completer.setCompletionMode(
            QCompleter.PopupCompletion)
        completer.activated[str].connect(self.set_fmto)
        if with_qt5:
            completer.setFilterMode(Qt.MatchContains)
        completer.setModel(QStandardItemModel())
        self.fmt_combo.setCompleter(completer)

        self.dim_widget = DimensionsWidget(parent=self)
        self.dim_widget.setVisible(False)

        self.multiline_button = QPushButton('Multiline', parent=self)
        self.multiline_button.setCheckable(True)

        self.yaml_cb = QCheckBox('Yaml syntax')
        self.yaml_cb.setChecked(True)

        self.keys_button = QPushButton('Keys', parent=self)
        self.summaries_button = QPushButton('Summaries', parent=self)
        self.docs_button = QPushButton('Docs', parent=self)

        self.grouped_cb = QCheckBox('grouped', parent=self)
        self.all_groups_cb = QCheckBox('all groups', parent=self)
        self.include_links_cb = QCheckBox('include links', parent=self)

        self.text_edit.setVisible(False)

        # ---------------------------------------------------------------------
        # -------------------------- Descriptions -----------------------------
        # ---------------------------------------------------------------------

        self.group_combo.setToolTip('Select the formatoption group')
        self.fmt_combo.setToolTip('Select the formatoption to update')
        self.line_edit.setToolTip(
            'Insert the value which what you want to update the selected '
            'formatoption and hit right button. The code is executed in the '
            'main console.')
        self.yaml_cb.setToolTip(
            "Use the yaml syntax for the values inserted in the above cell. "
            "Otherwise the content there is evaluated as a python expression "
            "in the terminal")
        self.text_edit.setToolTip(self.line_edit.toolTip())
        self.run_button.setIcon(QIcon(get_icon('run_arrow.png')))
        self.run_button.setToolTip('Update the selected formatoption')
        self.multiline_button.setToolTip(
            'Allow linebreaks in the text editor line above.')
        self.keys_button.setToolTip(
            'Show the formatoption keys in this group (or in all '
            'groups) in the help explorer')
        self.summaries_button.setToolTip(
            'Show the formatoption summaries in this group (or in all '
            'groups) in the help explorer')
        self.docs_button.setToolTip(
            'Show the formatoption documentations in this group (or in all '
            'groups) in the help explorer')
        self.grouped_cb.setToolTip(
            'Group the formatoptions before displaying them in the help '
            'explorer')
        self.all_groups_cb.setToolTip('Use all groups when displaying the '
                                      'keys, docs or summaries')
        self.include_links_cb.setToolTip(
            'Include links to remote documentations when showing the '
            'keys, docs and summaries in the help explorer (requires '
            'intersphinx)')

        # ---------------------------------------------------------------------
        # -------------------------- Connections ------------------------------
        # ---------------------------------------------------------------------
        self.group_combo.currentIndexChanged[int].connect(self.fill_fmt_combo)
        self.fmt_combo.currentIndexChanged[int].connect(self.show_fmt_info)
        self.fmt_combo.currentIndexChanged[int].connect(self.load_fmt_widget)
        self.fmt_combo.currentIndexChanged[int].connect(
            self.set_current_fmt_value)
        self.run_button.clicked.connect(self.run_code)
        self.line_edit.returnPressed.connect(self.run_button.click)
        self.multiline_button.clicked.connect(self.toggle_line_edit)
        self.keys_button.clicked.connect(
            partial(self.show_all_fmt_info, 'keys'))
        self.summaries_button.clicked.connect(
            partial(self.show_all_fmt_info, 'summaries'))
        self.docs_button.clicked.connect(
            partial(self.show_all_fmt_info, 'docs'))

        # ---------------------------------------------------------------------
        # ------------------------------ Layouts ------------------------------
        # ---------------------------------------------------------------------
        self.combos = QHBoxLayout()
        self.combos.addWidget(self.group_combo)
        self.combos.addWidget(self.fmt_combo)

        self.execs = QHBoxLayout()
        self.execs.addWidget(self.line_edit)
        self.execs.addWidget(self.text_edit)
        self.execs.addWidget(self.run_button)

        self.info_box = QHBoxLayout()
        self.info_box.addWidget(self.multiline_button)
        self.info_box.addWidget(self.yaml_cb)
        self.info_box.addStretch(0)
        for w in [self.keys_button, self.summaries_button, self.docs_button,
                  self.all_groups_cb, self.grouped_cb, self.include_links_cb]:
            self.info_box.addWidget(w)

        self.vbox = QVBoxLayout()
        self.vbox.addLayout(self.combos)
        self.vbox.addWidget(self.dim_widget)
        self.vbox.addLayout(self.execs)
        self.vbox.addLayout(self.info_box)

        self.vbox.setSpacing(0)

        self.setLayout(self.vbox)

        # fill with content
        self.fill_combos_from_project(psy.gcp())
        psy.Project.oncpchange.connect(self.fill_combos_from_project)
        rcParams.connect('fmt.sort_by_key', self.refill_from_rc)

    def refill_from_rc(self, sort_by_key):
        from psyplot.project import gcp
        self.fill_combos_from_project(gcp())

    def fill_combos_from_project(self, project):
        """Fill :attr:`group_combo` and :attr:`fmt_combo` from a project

        Parameters
        ----------
        project: psyplot.project.Project
            The project to use"""
        if rcParams['fmt.sort_by_key']:
            def sorter(fmto):
                return fmto.key
        else:
            sorter = self.get_name

        current_text = self.group_combo.currentText()
        with self.no_fmtos_update:
            self.group_combo.clear()
            if project is None or project.is_main or not len(project):
                self.fmt_combo.clear()
                self.groups = []
                self.fmtos = []
                self.line_edit.setEnabled(False)
                return
            self.line_edit.setEnabled(True)
            # get dimensions
            it_vars = chain.from_iterable(
                arr.psy.iter_base_variables for arr in project.arrays)
            dims = next(it_vars).dims
            sdims = set(dims)
            for var in it_vars:
                sdims.intersection_update(var.dims)
            coords = [d for d in dims if d in sdims]
            coords_name = [COORDSGROUP] if coords else []
            coords_verbose = ['Dimensions'] if coords else []
            coords = [coords] if coords else []

            if len(project.plotters):
                # get formatoptions and group them alphabetically
                grouped_fmts = defaultdict(list)
                for fmto in project._fmtos:
                    grouped_fmts[fmto.group].append(fmto)
                for val in six.itervalues(grouped_fmts):
                    val.sort(key=sorter)
                grouped_fmts = OrderedDict(
                    sorted(six.iteritems(grouped_fmts),
                           key=lambda t: psyp.groups.get(t[0], t[0])))
                fmt_groups = list(grouped_fmts.keys())
                # save original names
                self.groups = coords_name + [ALLGROUP] + fmt_groups
                # save verbose group names (which are used in the combo box)
                self.groupnames = (
                    coords_verbose + ['All formatoptions'] + list(
                        map(lambda s: psyp.groups.get(s, s), fmt_groups)))
                # save formatoptions
                fmtos = list(grouped_fmts.values())
                self.fmtos = coords + [sorted(
                    chain(*fmtos), key=sorter)] + fmtos
            else:
                self.groups = coords_name
                self.groupnames = coords_verbose
                self.fmtos = coords
            self.group_combo.addItems(self.groupnames)
            ind = self.group_combo.findText(current_text)
            self.group_combo.setCurrentIndex(ind if ind >= 0 else 0)
        self.fill_fmt_combo(self.group_combo.currentIndex())

    def get_name(self, fmto):
        """Get the name of a :class:`psyplot.plotter.Formatoption` instance"""
        if isinstance(fmto, six.string_types):
            return fmto
        return '%s (%s)' % (fmto.name, fmto.key) if fmto.name else fmto.key

    @property
    def fmto(self):
        return self.fmtos[self.group_combo.currentIndex()][
            self.fmt_combo.currentIndex()]

    @fmto.setter
    def fmto(self, value):
        name = self.get_name(value)
        for i, fmtos in enumerate(self.fmtos):
            if i == 1:  # all formatoptions
                continue
            if name in map(self.get_name, fmtos):
                with self.no_fmtos_update:
                    self.group_combo.setCurrentIndex(i)
                self.fill_fmt_combo(i, name)
                return

    def toggle_line_edit(self):
        """Switch between the :attr:`line_edit` and :attr:`text_edit`

        This method is called when the :attr:`multiline_button` is clicked
        and switches between the single line :attr:``line_edit` and the
        multiline :attr:`text_edit`
        """
        # switch to multiline text edit
        if (self.multiline_button.isChecked() and
                not self.text_edit.isVisible()):
            self.line_edit.setVisible(False)
            self.text_edit.setVisible(True)
            self.text_edit.setPlainText(self.line_edit.text())
        elif (not self.multiline_button.isChecked() and
              not self.line_edit.isVisible()):
            self.line_edit.setVisible(True)
            self.text_edit.setVisible(False)
            self.line_edit.setText(self.text_edit.toPlainText())

    def fill_fmt_combo(self, i, current_text=None):
        """Fill the :attr:`fmt_combo` combobox based on the current group name
        """
        if not self.no_fmtos_update:
            with self.no_fmtos_update:
                if current_text is None:
                    current_text = self.fmt_combo.currentText()
                self.fmt_combo.clear()
                self.fmt_combo.addItems(
                    list(map(self.get_name, self.fmtos[i])))
                ind = self.fmt_combo.findText(current_text)
                self.fmt_combo.setCurrentIndex(ind if ind >= 0 else 0)
                # update completer model
                self.setup_fmt_completion_model()
            idx = self.fmt_combo.currentIndex()
            self.show_fmt_info(idx)
            self.load_fmt_widget(idx)
            self.set_current_fmt_value(idx)

    def set_fmto(self, name):
        self.fmto = name

    def setup_fmt_completion_model(self):
        fmtos = list(unique_everseen(map(
            self.get_name, chain.from_iterable(self.fmtos))))
        model = self.fmto_completer.model()
        model.setRowCount(len(fmtos))
        for i, name in enumerate(fmtos):
            model.setItem(i, QStandardItem(name))

    def load_fmt_widget(self, i):
        """Load the formatoption specific widget

        This method loads the formatoption specific widget from the
        :meth:`psyplot.plotter.Formatoption.get_fmt_widget` method and
        displays it above the :attr:`line_edit`

        Parameters
        ----------
        i: int
            The index of the current formatoption"""
        self.remove_fmt_widget()
        group_ind = self.group_combo.currentIndex()
        if not self.no_fmtos_update:
            from psyplot.project import gcp
            if self.groups[group_ind] == COORDSGROUP:
                dim = self.fmtos[group_ind][i]
                self.fmt_widget = self.dim_widget
                self.dim_widget.set_dim(dim)
                self.dim_widget.set_single_selection(
                    dim not in gcp()[0].dims)
                self.dim_widget.setVisible(True)
            else:
                fmto = self.fmtos[group_ind][i]
                self.fmt_widget = fmto.get_fmt_widget(self, gcp())
                if self.fmt_widget is not None:
                    self.vbox.insertWidget(2, self.fmt_widget)

    def reset_fmt_widget(self):
        idx = self.fmt_combo.currentIndex()
        self.load_fmt_widget(idx)
        self.set_current_fmt_value(idx)

    def remove_fmt_widget(self):
        if self.fmt_widget is not None:
            self.fmt_widget.hide()
            if self.fmt_widget is self.dim_widget:
                self.fmt_widget.reset_combobox()
            else:
                self.vbox.removeWidget(self.fmt_widget)
                self.fmt_widget.close()
            del self.fmt_widget

    def set_current_fmt_value(self, i):
        """Add the value of the current formatoption to the line text"""
        group_ind = self.group_combo.currentIndex()
        if not self.no_fmtos_update:
            if self.groups[group_ind] == COORDSGROUP:
                from psyplot.project import gcp
                dim = self.fmtos[group_ind][i]
                self.set_obj(gcp().arrays[0].psy.idims[dim])
            else:
                fmto = self.fmtos[group_ind][i]
                self.set_obj(fmto.value)

    def show_fmt_info(self, i):
        """Show the documentation of the formatoption in the help explorer
        """
        group_ind = self.group_combo.currentIndex()
        if (not self.no_fmtos_update and
                self.groups[group_ind] != COORDSGROUP):
            fmto = self.fmtos[self.group_combo.currentIndex()][i]
            fmto.plotter.show_docs(
                fmto.key, include_links=self.include_links_cb.isChecked())

    def run_code(self):
        """Run the update of the project inside the :attr:`shell`"""
        if self.line_edit.isVisible():
            text = str(self.line_edit.text())
        else:
            text = str(self.text_edit.toPlainText())
        if not text or not self.fmtos:
            return
        group_ind = self.group_combo.currentIndex()
        if self.groups[group_ind] == COORDSGROUP:
            key = self.fmtos[group_ind][self.fmt_combo.currentIndex()]
            param = 'dims'
        else:
            key = self.fmtos[group_ind][self.fmt_combo.currentIndex()].key
            param = 'fmt'
        if self.yaml_cb.isChecked():
            import psyplot.project as psy
            psy.gcp().update(**{key: yaml.load(text)})
        else:
            code = "psy.gcp().update(%s={'%s': %s})" % (param, key, text)
            if ExecutionInfo is not None:
                info = ExecutionInfo(raw_cell=code, store_history=False,
                                     silent=True, shell_futures=False)
                e = ExecutionResult(info)
            else:
                e = ExecutionResult()
            self.console.run_command_in_shell(code, e)
            try:
                e.raise_error()
            except Exception:  # reset the console and clear the error message
                raise
            finally:
                self.console.reset()

    def get_text(self):
        """Get the current update text"""
        if self.line_edit.isVisible():
            return self.line_edit.text()
        else:
            return self.text_edit.toPlainText()

    def get_obj(self):
        """Get the current update text"""
        if self.line_edit.isVisible():
            txt = self.line_edit.text()
        else:
            txt = self.text_edit.toPlainText()
        try:
            obj = yaml.load(txt)
        except Exception:
            self.error_msg.showTraceback("Could not load %s" % txt)
        else:
            return obj

    def insert_obj(self, obj):
        """Add a string to the formatoption widget"""
        current = self.get_text()
        use_yaml = self.yaml_cb.isChecked()
        use_line_edit = self.line_edit.isVisible()
        # strings are treated separately such that we consider quotation marks
        # at the borders
        if isstring(obj) and current:
            if use_line_edit:
                pos = self.line_edit.cursorPosition()
            else:
                pos = self.text_edit.textCursor().position()
            if pos not in [0, len(current)]:
                s = obj
            else:
                if current[0] in ['"', "'"]:
                    current = current[1:-1]
                self.clear_text()
                if pos == 0:
                    s = '"' + obj + current + '"'
                else:
                    s = '"' + current + obj + '"'
                current = ''
        elif isstring(obj):  # add quotation marks
            s = '"' + obj + '"'
        elif not use_yaml:
            s = repr(obj)
        else:
            s = yaml.dump(obj).strip()
            if s.endswith('\n...'):
                s = s[:-4]
        if use_line_edit:
            self.line_edit.insert(s)
        else:
            self.text_edit.insertPlainText(s)

    def clear_text(self):
        if self.line_edit.isVisible():
            self.line_edit.clear()
        else:
            self.text_edit.clear()

    def set_obj(self, obj):
        self.clear_text()
        self.insert_obj(obj)

    def show_all_fmt_info(self, what):
        """Show the keys, summaries or docs of the formatoptions

        Calling this function let's the help browser show the documentation
        etc. of all docs or only the selected group determined by the state of
        the :attr:`grouped_cb` and :attr:`all_groups_cb` checkboxes

        Parameters
        ----------
        what: {'keys', 'summaries', 'docs'}
            Determines what to show"""
        if not self.fmtos:
            return
        if (self.all_groups_cb.isChecked() or
                self.group_combo.currentIndex() < 2):
            fmtos = list(chain.from_iterable(
                fmto_group for i, fmto_group in enumerate(self.fmtos)
                if self.groups[i] not in [ALLGROUP, COORDSGROUP]))
        else:
            fmtos = self.fmtos[self.group_combo.currentIndex()]
        plotter = fmtos[0].plotter
        getattr(plotter, 'show_' + what)(
            [fmto.key for fmto in fmtos], grouped=self.grouped_cb.isChecked(),
            include_links=self.include_links_cb.isChecked())
Exemplo n.º 25
0
class ImageRotator(StraditizerControlBase, QWidget):
    """Widget to rotate the image

    This control mainly adds a QLineEdit :attr:`txt_rotate` to the
    :class:`straditize.widgets.StraditizerWidgets` to rotate the image.
    It also enables the user to specify the rotation angle using two
    connected :class:`~straditize.cross_mark.CrossMarks`. Here the user can
    decide between a horizontal alignment (:attr:`btn_rotate_horizontal`) or
    a vertical alignment (:attr:`btn_rotate_vertical`)"""

    _rotating = False
    _ha = False
    _va = False

    #: A QPushButton for horizontal alignment
    btn_rotate_horizontal = None

    #: A QPushButton for vertical alignment
    btn_rotate_vertical = None

    #: A QLineEdit to display the rotation angle
    txt_rotate = None

    @docstrings.dedent
    def __init__(self, straditizer_widgets, item=None, *args, **kwargs):
        """
        Parameters
        ----------
        %(StraditizerControlBase.init_straditizercontrol.parameters)s"""
        super(ImageRotator, self).__init__(*args, **kwargs)
        self.txt_rotate = QLineEdit()
        self.txt_rotate.setValidator(QDoubleValidator())

        self.btn_rotate_horizontal = QPushButton('Horizontal alignment')
        self.btn_rotate_horizontal.setToolTip(
            'Mark two points that should be on the same horizontal level '
            'and rotate the picture to achieve this.')

        self.btn_rotate_vertical = QPushButton('Vertical alignment')
        self.btn_rotate_vertical.setToolTip(
            'Mark two points that should be on the same vertical level '
            'and rotate the picture to achieve this.')

        self.init_straditizercontrol(straditizer_widgets, item)

        # ---------------------------------------------------------------------
        # --------------------------- Layouts ---------------------------------
        # ---------------------------------------------------------------------

        layout = QVBoxLayout()

        hbox = QHBoxLayout()
        hbox.addWidget(QLabel('Rotate:'))
        hbox.addWidget(self.txt_rotate)
        layout.addLayout(hbox)

        layout.addWidget(self.btn_rotate_horizontal)
        layout.addWidget(self.btn_rotate_vertical)

        self.setLayout(layout)

        # ---------------------------------------------------------------------
        # --------------------------- Connections -----------------------------
        # ---------------------------------------------------------------------

        self.txt_rotate.textChanged.connect(self.start_rotation)
        self.btn_rotate_horizontal.clicked.connect(
            self.start_horizontal_alignment)
        self.btn_rotate_vertical.clicked.connect(
            self.start_vertical_alignment)

        self.widgets2disable = [self.txt_rotate, self.btn_rotate_horizontal,
                                self.btn_rotate_vertical]

    def should_be_enabled(self, w):
        if not self._rotating:
            return self.straditizer is not None
        elif w is self.txt_rotate:
            return True
        return False

    def start_rotation(self):
        """Start the rotation (if not already started)"""
        if not self._rotating:
            self._rotating = True
            self.connect2apply(self.rotate_image)
            self.connect2cancel(self.remove_marks,
                                self.straditizer.draw_figure)
            self.straditizer_widgets.apply_button.setText('Rotate')

    def draw_figure(self):
        self.straditizer.draw_figure()

    def start_horizontal_alignment(self):
        """Start the horizontal alignment"""
        self.start_rotation()
        self._ha = True
        self._start_alignment()

    def start_vertical_alignment(self):
        """Start the vertical alignment"""
        self.start_rotation()
        self._va = True
        self._start_alignment()

    def _start_alignment(self):
        def new_mark(pos):
            if len(self.straditizer.marks) == 2:
                return
            mark = cm.CrossMarks(pos, ax=stradi.ax, c='b')
            if self.straditizer.marks:
                marks = [mark] + self.straditizer.marks
                mark.connect_marks(marks, visible=True)
                self.update_txt_rotate(marks=marks)
            mark.moved.connect(self.update_txt_rotate)
            return [mark]

        stradi = self.straditizer
        stradi.marks = []

        stradi.mark_cids.add(stradi.fig.canvas.mpl_connect(
            'button_press_event', stradi._add_mark_event(new_mark)))
        stradi.mark_cids.add(stradi.fig.canvas.mpl_connect(
            'button_press_event', stradi._remove_mark_event))

    def update_txt_rotate(self, *args, marks=[], **kwargs):
        """Update the :attr:`txt_rotate` from the displayed cross marks"""
        stradi = self.straditizer
        marks = marks or stradi.marks
        if len(marks) != 2:
            return
        x0, y0 = marks[0].pos
        x1, y1 = marks[1].pos
        dx = x0 - x1
        dy = y0 - y1

        if self._ha:
            angle = np.arctan(dy / dx) if dx else np.sign(dy) * np.pi / 2.
            self.txt_rotate.setText('%1.3g' % np.rad2deg(angle))
        elif self._va:
            angle = np.arctan(dx / dy) if dy else np.sign(dx) * np.pi / 2.
            self.txt_rotate.setText('%1.3g' % -np.rad2deg(angle))

    def enable_or_disable_widgets(self, b):
        super(ImageRotator, self).enable_or_disable_widgets(b)
        if self._rotating:
            self.txt_rotate.setEnabled(self.should_be_enabled(self.txt_rotate))

    @property
    def angle(self):
        """The rotation angle from :attr:`txt_rotate` as a float"""
        angle = self.txt_rotate.text()
        if not angle.strip():
            return
        return float(angle.strip())

    def rotate_image(self):
        """Rotate the image based on the specified :attr:`angle`"""
        angle = self.angle
        if angle is None:
            return
        sw = self.straditizer_widgets
        answer = QMessageBox.Yes if sw.always_yes else QMessageBox.question(
            self, 'Restart project?',
            'This will close the straditizer and create new figures. '
            'Are you sure, you want to continue?')
        if answer == QMessageBox.Yes:
            image = self.straditizer.image.rotate(angle, expand=True)
            attrs = self.straditizer.attrs
            self.straditizer_widgets.close_straditizer()
            self.straditizer_widgets.menu_actions.open_straditizer(
                image, attrs=attrs)

        self._rotating = self._ha = self._va = False

    def remove_marks(self):
        """Remove the cross marks used for the rotation angle"""
        self._rotating = self._ha = self._va = False
        self.straditizer.remove_marks()
        self.straditizer_widgets.apply_button.setText('Apply')
Exemplo n.º 26
0
class StraditizerWidgets(QWidget, DockMixin):
    """A widget that contains widgets to control the straditization in a GUI

    This widget is the basis of the straditize GUI and implemented as a
    plugin into the psyplot gui. The open straditizers are handled in the
    :attr:`_straditizer` attribute.

    The central parts of this widget are

    - The combobox to manage the open straditizers
    - The QTreeWidget in the :attr:`tree` attribute that contains all the
      controls to interface the straditizer
    - the tutorial area
    - the :guilabel:`Apply` and :guilabel:`Cancel` button"""

    #: Boolean that is True if all dialogs should be answered with `Yes`
    always_yes = False

    #: The QTreeWidget that contains the different widgets for the digitization
    tree = None

    #: The apply button
    apply_button = None

    #: The cancel button
    cancel_button = None

    #: The button to edit the straditizer attributes
    attrs_button = None

    #: The button to start a tutorial
    tutorial_button = None

    #: An :class:`InfoButton` to display the docs
    info_button = None

    #: A QComboBox to select the current straditizer
    stradi_combo = None

    #: A button to open a new straditizer
    btn_open_stradi = None

    #: A button to close the current straditizer
    btn_close_stradi = None

    #: A button to reload the last autosaved state
    btn_reload_autosaved = None

    #: The :class:`straditize.widgets.progress_widget.ProgressWidget` to
    #: display the progress of the straditization
    progress_widget = None

    #: The :class:`straditize.widgets.data.DigitizingControl` to interface
    #: the :straditize.straditizer.Straditizer.data_reader`
    digitizer = None

    #: The :class:`straditize.widgets.colnames.ColumnNamesManager` to interface
    #: the :straditize.straditizer.Straditizer.colnames_reader`
    colnames_manager = None

    #: The :class:`straditize.widgets.axes_translations.AxesTranslations` to
    #: handle the y- and x-axis conversions
    axes_translations = None

    #: The :class:`straditize.widgets.image_correction.ImageRescaler` class to
    #: rescale the image
    image_rescaler = None

    #: The :class:`straditize.widgets.image_correction.ImageRotator` class to
    #: rotate the image
    image_rotator = None

    #: The :class:`straditize.widgets.plots.PlotControl` to display additional
    #: information on the diagram
    plot_control = None

    #: The :class:`straditize.widgets.marker_control.MarkerControl` to modify
    #: the appearance of the :class:`~straditize.straditizer.Straditizer.marks`
    #: of the current straditizer
    marker_control = None

    #: The :class:`straditize.widgets.selection_toolbar.SelectionToolbar` to
    #: select features in the stratigraphic diagram
    selection_toolbar = None

    #: The :class:`straditize.straditizer.Straditizer` instance
    straditizer = None

    #: open straditizers
    _straditizers = []

    #: The :class:`straditize.widgets.tutorial.Tutorial` class
    tutorial = None

    dock_position = Qt.LeftDockWidgetArea

    #: Auto-saved straditizers
    autosaved = []

    hidden = True

    title = 'Stratigraphic diagram digitization'

    window_layout_action = None

    open_external = QtCore.pyqtSignal(list)

    def __init__(self, *args, **kwargs):
        from straditize.widgets.menu_actions import StraditizerMenuActions
        from straditize.widgets.progress_widget import ProgressWidget
        from straditize.widgets.data import DigitizingControl
        from straditize.widgets.selection_toolbar import SelectionToolbar
        from straditize.widgets.marker_control import MarkerControl
        from straditize.widgets.plots import PlotControl
        from straditize.widgets.axes_translations import AxesTranslations
        from straditize.widgets.image_correction import (ImageRotator,
                                                         ImageRescaler)
        from straditize.widgets.colnames import ColumnNamesManager
        self._straditizers = []
        super(StraditizerWidgets, self).__init__(*args, **kwargs)
        self.tree = QTreeWidget(parent=self)
        self.tree.setSelectionMode(QTreeWidget.NoSelection)
        self.refresh_button = QToolButton(self)
        self.refresh_button.setIcon(QIcon(get_psy_icon('refresh.png')))
        self.refresh_button.setToolTip('Refresh from the straditizer')
        self.apply_button = EnableButton('Apply', parent=self)
        self.cancel_button = EnableButton('Cancel', parent=self)
        self.attrs_button = QPushButton('Attributes', parent=self)
        self.tutorial_button = QPushButton('Tutorial', parent=self)
        self.tutorial_button.setCheckable(True)
        self.error_msg = PyErrorMessage(self)
        self.stradi_combo = QComboBox()
        self.btn_open_stradi = QToolButton()
        self.btn_open_stradi.setIcon(QIcon(get_psy_icon('run_arrow.png')))
        self.btn_close_stradi = QToolButton()
        self.btn_close_stradi.setIcon(QIcon(get_psy_icon('invalid.png')))
        self.btn_reload_autosaved = QPushButton("Reload")
        self.btn_reload_autosaved.setToolTip(
            "Close the straditizer and reload the last autosaved project")

        # ---------------------------------------------------------------------
        # --------------------------- Tree widgets ----------------------------
        # ---------------------------------------------------------------------
        self.tree.setHeaderLabels(['', ''])
        self.tree.setColumnCount(2)

        self.progress_item = QTreeWidgetItem(0)
        self.progress_item.setText(0, 'ToDo list')
        self.progress_widget = ProgressWidget(self, self.progress_item)

        self.menu_actions_item = QTreeWidgetItem(0)
        self.menu_actions_item.setText(0, 'Images import/export')
        self.tree.addTopLevelItem(self.menu_actions_item)
        self.menu_actions = StraditizerMenuActions(self)

        self.digitizer_item = item = QTreeWidgetItem(0)
        item.setText(0, 'Digitization control')
        self.digitizer = DigitizingControl(self, item)

        self.col_names_item = item = QTreeWidgetItem(0)
        item.setText(0, 'Column names')
        self.colnames_manager = ColumnNamesManager(self, item)
        self.add_info_button(item, 'column_names.rst')

        self.axes_translations_item = item = QTreeWidgetItem(0)
        item.setText(0, 'Axes translations')
        self.axes_translations = AxesTranslations(self, item)

        self.image_transform_item = item = QTreeWidgetItem(0)
        item.setText(0, 'Transform source image')

        self.image_rescaler = ImageRescaler(self, item)

        self.image_rotator_item = item = QTreeWidgetItem(0)
        item.setText(0, 'Rotate image')
        self.image_rotator = ImageRotator(self)
        self.image_transform_item.addChild(item)
        self.image_rotator.setup_children(item)

        self.plot_control_item = item = QTreeWidgetItem(0)
        item.setText(0, 'Plot control')
        self.plot_control = PlotControl(self, item)
        self.add_info_button(item, 'plot_control.rst')

        self.marker_control_item = item = QTreeWidgetItem(0)
        item.setText(0, 'Marker control')
        self.marker_control = MarkerControl(self, item)
        self.add_info_button(item, 'marker_control.rst')

        # ---------------------------------------------------------------------
        # ----------------------------- Toolbars ------------------------------
        # ---------------------------------------------------------------------
        self.selection_toolbar = SelectionToolbar(self, 'Selection toolbar')

        # ---------------------------------------------------------------------
        # ----------------------------- InfoButton ----------------------------
        # ---------------------------------------------------------------------
        self.info_button = InfoButton(self, get_doc_file('straditize.rst'))

        # ---------------------------------------------------------------------
        # --------------------------- Layouts ---------------------------------
        # ---------------------------------------------------------------------

        stradi_box = QHBoxLayout()
        stradi_box.addWidget(self.stradi_combo, 1)
        stradi_box.addWidget(self.btn_open_stradi)
        stradi_box.addWidget(self.btn_close_stradi)

        attrs_box = QHBoxLayout()
        attrs_box.addWidget(self.attrs_button)
        attrs_box.addStretch(0)
        attrs_box.addWidget(self.tutorial_button)

        btn_box = QHBoxLayout()
        btn_box.addWidget(self.refresh_button)
        btn_box.addWidget(self.info_button)
        btn_box.addStretch(0)
        btn_box.addWidget(self.apply_button)
        btn_box.addWidget(self.cancel_button)

        reload_box = QHBoxLayout()
        reload_box.addWidget(self.btn_reload_autosaved)
        reload_box.addStretch(0)

        vbox = QVBoxLayout()
        vbox.addLayout(stradi_box)
        vbox.addWidget(self.tree)
        vbox.addLayout(attrs_box)
        vbox.addLayout(btn_box)
        vbox.addLayout(reload_box)

        self.setLayout(vbox)

        self.apply_button.setEnabled(False)
        self.cancel_button.setEnabled(False)
        self.tree.expandItem(self.progress_item)
        self.tree.expandItem(self.digitizer_item)

        # ---------------------------------------------------------------------
        # --------------------------- Connections -----------------------------
        # ---------------------------------------------------------------------
        self.stradi_combo.currentIndexChanged.connect(self.set_current_stradi)
        self.refresh_button.clicked.connect(self.refresh)
        self.attrs_button.clicked.connect(self.edit_attrs)
        self.tutorial_button.clicked.connect(self.start_tutorial)
        self.open_external.connect(self._create_straditizer_from_args)
        self.btn_open_stradi.clicked.connect(
            self.menu_actions.open_straditizer)
        self.btn_close_stradi.clicked.connect(self.close_straditizer)
        self.btn_reload_autosaved.clicked.connect(self.reload_autosaved)

        self.refresh()
        header = self.tree.header()
        header.setStretchLastSection(False)
        header.setSectionResizeMode(0, QHeaderView.Stretch)

    def disable_apply_button(self):
        """Method that is called when the :attr:`cancel_button` is clicked"""
        for w in [self.apply_button, self.cancel_button]:
            try:
                w.clicked.disconnect()
            except TypeError:
                pass
            w.setEnabled(False)
        self.apply_button.setText('Apply')
        self.cancel_button.setText('Cancel')
        self.refresh_button.setEnabled(True)

    def switch_to_straditizer_layout(self):
        """Switch to the straditizer layout

        This method makes this widget visible and stacks it with the psyplot
        content widget"""
        mainwindow = self.dock.parent()
        mainwindow.figures_tree.hide_plugin()
        mainwindow.ds_tree.hide_plugin()
        mainwindow.fmt_widget.hide_plugin()
        self.show_plugin()
        mainwindow.tabifyDockWidget(mainwindow.project_content.dock, self.dock)
        hsize = self.marker_control.sizeHint().width() + 50
        self.menu_actions.setup_shortcuts(mainwindow)
        if with_qt5:
            mainwindow.resizeDocks([self.dock], [hsize], Qt.Horizontal)
            self.tree.resizeColumnToContents(0)
            self.tree.resizeColumnToContents(1)
        self.info_button.click()

    def to_dock(self, main, *args, **kwargs):
        ret = super(StraditizerWidgets, self).to_dock(main, *args, **kwargs)
        if self.menu_actions.window_layout_action is None:
            main.window_layouts_menu.addAction(self.window_layout_action)
            main.callbacks['straditize'] = self.open_external.emit
            main.addToolBar(self.selection_toolbar)
            self.dock.toggleViewAction().triggered.connect(
                self.show_or_hide_toolbar)
            self.menu_actions.setup_menu_actions(main)
            self.menu_actions.setup_children(self.menu_actions_item)
            try:
                main.open_file_options['Straditize project'] = \
                    self.create_straditizer_from_args
            except AttributeError:  # psyplot-gui <= 1.1.0
                pass
        return ret

    def show_or_hide_toolbar(self):
        """Show or hide the toolbar depending on the visibility of this widget
        """
        self.selection_toolbar.setVisible(self.is_shown)

    def _create_straditizer_from_args(self, args):
        """A method that is called when the :attr:`psyplot_gui.main.mainwindow`
        receives a 'straditize' callback"""
        self.create_straditizer_from_args(*args)

    def create_straditizer_from_args(self,
                                     fnames,
                                     project=None,
                                     xlim=None,
                                     ylim=None,
                                     full=False,
                                     reader_type='area'):
        """Create a straditizer from the given file name

        This method is called when the :attr:`psyplot_gui.main.mainwindow`
        receives a 'straditize' callback"""
        fname = fnames[0]
        if fname is not None:
            self.menu_actions.open_straditizer(fname)
            stradi = self.straditizer
            if stradi is None:
                return
            if xlim is not None:
                stradi.data_xlim = xlim
            if ylim is not None:
                stradi.data_ylim = ylim
            if xlim is not None or ylim is not None or full:
                if stradi.data_xlim is None:
                    stradi.data_xlim = [0, np.shape(stradi.image)[1]]
                if stradi.data_ylim is None:
                    stradi.data_ylim = [0, np.shape(stradi.image)[0]]
                stradi.init_reader(reader_type)
                stradi.data_reader.digitize()
            self.refresh()
        if not self.is_shown:
            self.switch_to_straditizer_layout()
        return fname is not None

    def start_tutorial(self, state, tutorial_cls=None):
        """Start or stop the tutorial

        Parameters
        ----------
        state: bool
            If False, the tutorial is stopped. Otherwise it is started
        tutorial_cls: straditize.widgets.tutorial.beginner.Tutorial
            The tutorial class to use. If None, it will be asked in a
            QInputDialog"""
        if self.tutorial is not None or not state:
            self.tutorial.close()
            self.tutorial_button.setText('Tutorial')
        elif state:
            if tutorial_cls is None:
                tutorial_cls, ok = QInputDialog.getItem(
                    self,
                    'Start tutorial',
                    "Select the tutorial type",
                    ["Beginner", "Advanced (Hoya del Castillo)"],
                    editable=False)
                if not ok:
                    self.tutorial_button.blockSignals(True)
                    self.tutorial_button.setChecked(False)
                    self.tutorial_button.blockSignals(False)
                    return
                if tutorial_cls == 'Beginner':
                    from straditize.widgets.tutorial import Tutorial
                else:
                    from straditize.widgets.tutorial import (
                        HoyaDelCastilloTutorial as Tutorial)
            else:
                Tutorial = tutorial_cls
            self.tutorial = Tutorial(self)
            self.tutorial_button.setText('Stop tutorial')

    def edit_attrs(self):
        """Edit the attributes of the current straditizer

        This creates a new dataframe editor to edit the
        :attr:`straditize.straditizer.Straditizer.attrs` meta informations"""
        def add_attr(key):
            model = editor.table.model()
            n = len(attrs)
            model.insertRow(n)
            model.setData(model.index(n, 0), key)
            model.setData(model.index(n, 1), '', change_type=six.text_type)

        from psyplot_gui.main import mainwindow
        from straditize.straditizer import common_attributes
        attrs = self.straditizer.attrs
        editor = mainwindow.new_data_frame_editor(attrs,
                                                  'Straditizer attributes')
        editor.table.resizeColumnToContents(1)
        editor.table.horizontalHeader().setVisible(False)
        editor.table.frozen_table_view.horizontalHeader().setVisible(False)
        combo = QComboBox()
        combo.addItems([''] + common_attributes)
        combo.currentTextChanged.connect(add_attr)
        hbox = QHBoxLayout()
        hbox.addWidget(QLabel('Common attributes:'))
        hbox.addWidget(combo)
        hbox.addStretch(0)
        editor.layout().insertLayout(1, hbox)
        return editor, combo

    def refresh(self):
        """Refresh from the straditizer"""
        for i, stradi in enumerate(self._straditizers):
            self.stradi_combo.setItemText(
                i,
                self.get_attr(stradi, 'project_file')
                or self.get_attr(stradi, 'image_file') or '')
        # toggle visibility of close button and attributes button
        enable = self.straditizer is not None
        self.btn_close_stradi.setVisible(enable)
        self.attrs_button.setEnabled(enable)
        # refresh controls
        self.menu_actions.refresh()
        self.progress_widget.refresh()
        self.digitizer.refresh()
        self.selection_toolbar.refresh()
        self.plot_control.refresh()
        self.marker_control.refresh()
        self.axes_translations.refresh()
        if self.tutorial is not None:
            self.tutorial.refresh()
        self.image_rotator.refresh()
        self.image_rescaler.refresh()
        self.colnames_manager.refresh()
        self.btn_reload_autosaved.setEnabled(bool(self.autosaved))

    def get_attr(self, stradi, attr):
        try:
            return stradi.get_attr(attr)
        except KeyError:
            pass

    docstrings.delete_params('InfoButton.parameters', 'parent')

    @docstrings.get_sectionsf('StraditizerWidgets.add_info_button')
    @docstrings.with_indent(8)
    def add_info_button(self,
                        child,
                        fname=None,
                        rst=None,
                        name=None,
                        connections=[]):
        """Add an infobutton to the :attr:`tree` widget

        Parameters
        ----------
        child: QTreeWidgetItem
            The item to which to add the infobutton
        %(InfoButton.parameters.no_parent)s
        connections: list of QPushButtons
            Buttons that should be clicked when the info button is clicked"""
        button = InfoButton(self, fname=fname, rst=rst, name=name)
        self.tree.setItemWidget(child, 1, button)
        for btn in connections:
            btn.clicked.connect(button.click)
        return button

    def raise_figures(self):
        """Raise the figures of the current straditizer in the GUI"""
        from psyplot_gui.main import mainwindow
        if mainwindow.figures and self.straditizer:
            dock = self.straditizer.ax.figure.canvas.manager.window
            dock.widget().show_plugin()
            dock.raise_()
            if self.straditizer.magni is not None:
                dock = self.straditizer.magni.ax.figure.canvas.manager.window
                dock.widget().show_plugin()
                dock.raise_()

    def set_current_stradi(self, i):
        """Set the i-th straditizer to the current one"""
        if not self._straditizers:
            return
        self.straditizer = self._straditizers[i]
        self.menu_actions.set_stradi_in_console()
        block = self.stradi_combo.blockSignals(True)
        self.stradi_combo.setCurrentIndex(i)
        self.stradi_combo.blockSignals(block)
        self.raise_figures()
        self.refresh()
        self.autosaved.clear()

    def _close_stradi(self, stradi):
        """Close the given straditizer and all it's figures"""
        is_current = stradi is self.straditizer
        if is_current:
            self.selection_toolbar.disconnect()
        stradi.close()
        try:
            i = self._straditizers.index(stradi)
        except ValueError:
            pass
        else:
            del self._straditizers[i]
            self.stradi_combo.removeItem(i)
        if is_current and self._straditizers:
            self.stradi_combo.setCurrentIndex(0)
        elif not self._straditizers:
            self.straditizer = None
            self.refresh()
        self.digitizer.digitize_item.takeChildren()
        self.digitizer.btn_digitize.setChecked(False)
        self.digitizer.btn_digitize.setCheckable(False)
        self.digitizer.toggle_txt_tolerance('')

    def close_straditizer(self):
        """Close the current straditizer"""
        self._close_stradi(self.straditizer)

    def close_all_straditizers(self):
        """Close all straditizers"""
        self.selection_toolbar.disconnect()
        for stradi in self._straditizers:
            stradi.close()
        self._straditizers.clear()
        self.straditizer = None
        self.stradi_combo.clear()
        self.digitizer.digitize_item.takeChildren()
        self.digitizer.btn_digitize.setChecked(False)
        self.digitizer.btn_digitize.setCheckable(False)
        self.digitizer.toggle_txt_tolerance('')
        self.refresh()

    def add_straditizer(self, stradi):
        """Add a straditizer to the list of open straditizers"""
        if stradi and stradi not in self._straditizers:
            self._straditizers.append(stradi)
            self.stradi_combo.addItem(' ')
            self.set_current_stradi(len(self._straditizers) - 1)

    def reset_control(self):
        """Reset the GUI of straditize"""
        if getattr(self.selection_toolbar, '_pattern_selection', None):
            self.selection_toolbar._pattern_selection.remove_plugin()
            del self.selection_toolbar._pattern_selection
        if getattr(self.digitizer, '_samples_editor', None):
            self.digitizer._close_samples_fig()
        tb = self.selection_toolbar
        tb.set_label_wand_mode()
        tb.set_rect_select_mode()
        tb.new_select_action.setChecked(True)
        tb.select_action.setChecked(False)
        tb.wand_action.setChecked(False)
        self.disable_apply_button()
        self.close_all_straditizers()
        self.colnames_manager.reset_control()

    def autosave(self):
        """Autosave the current straditizer"""
        self.autosaved = [self.straditizer.to_dataset().copy(True)] + \
            self.autosaved[:4]

    def reload_autosaved(self):
        """Reload the autosaved straditizer and close the old one"""
        from straditize.straditizer import Straditizer
        if not self.autosaved:
            return
        answer = QMessageBox.question(
            self, 'Reload autosave',
            'Shall I reload the last autosaved stage? This will close the '
            'current figures.')
        if answer == QMessageBox.Yes:
            self.close_straditizer()
            stradi = Straditizer.from_dataset(self.autosaved.pop(0))
            self.menu_actions.finish_loading(stradi)
Exemplo n.º 27
0
class PlotControl(StraditizerControlBase, QWidget):
    """A widget for controlling the plot

    This widgets holds a :class:`PlotControlTable` to display visual
    diagnostics in the plot. Additionally it contains zoom buttons
    (:attr:`btn_view_global` and :attr:`btn_view_data`) and a widget to plot
    the results (:attr:`results_plot`)"""

    #: A :class:`PlotControlTable` to display visual diagnostics
    table = None

    #: A button to zoom out to the entire stratigraphic diagram
    #: (see :meth:`zoom_global`)
    btn_view_global = None

    #: A button to zoom to the data
    #: (see :meth:`zoom_data`)
    btn_view_data = None

    #: A :class:`ResultsPlot` to plot the digitized data in a new diagram
    results_plot = None

    def __init__(self, straditizer_widgets, item, *args, **kwargs):
        super(PlotControl, self).__init__(*args, **kwargs)
        self.btn_view_global = QPushButton('Zoom out')
        self.btn_view_data = QPushButton('Zoom to data')
        self.table = PlotControlTable(straditizer_widgets)

        self.results_plot = ResultsPlot(straditizer_widgets)

        self.init_straditizercontrol(straditizer_widgets, item)

        # ---------------------------------------------------------------------
        # ------------------------------ Layout -------------------------------
        # ---------------------------------------------------------------------

        hbox = QHBoxLayout()
        hbox.addWidget(self.btn_view_global)
        hbox.addWidget(self.btn_view_data)

        vbox = QVBoxLayout()
        vbox.addLayout(hbox)
        vbox.addWidget(self.table)

        self.setLayout(vbox)

        # ---------------------------------------------------------------------
        # --------------------------- Connections -----------------------------
        # ---------------------------------------------------------------------

        self.btn_view_global.clicked.connect(self.zoom_global)
        self.btn_view_data.clicked.connect(self.zoom_data)

    def setup_children(self, item):
        super().setup_children(item)
        child = QTreeWidgetItem(0)
        item.addChild(child)
        self.results_plot.setup_children(child)

    def zoom_global(self):
        """Zoom out to the full straditgraphic diagram

        See Also
        --------
        straditize.straditizer.Straditizer.show_full_image"""
        self.straditizer.show_full_image()
        self.straditizer.draw_figure()

    def zoom_data(self):
        """Zoom to the data part

        See Also
        --------
        straditize.straditizer.Straditizer.show_data_diagram"""
        self.straditizer.show_data_diagram()
        self.straditizer.draw_figure()

    def refresh(self):
        self.table.refresh()
        self.results_plot.refresh()
        if self.straditizer is None:
            self.btn_view_global.setEnabled(False)
            self.btn_view_data.setEnabled(False)
        else:
            self.btn_view_global.setEnabled(True)
            self.btn_view_data.setEnabled(
                self.straditizer.data_xlim is not None
                and self.straditizer.data_ylim is not None)
Exemplo n.º 28
0
class MultiCrossMarksEditor(DockMixin, QWidget):
    """An editor for cross marks in multiple axes"""

    #: The QDockWidget for the :class:`DataFrameEditor`
    dock_cls = DataFrameDock

    #: A :class:`weakref` to the
    #: :attr:`~straditize.widgets.StraditizerWidgets.straditizer`
    straditizer = None

    def __init__(self, straditizer, axes=None, *args, **kwargs):
        """
        Parameters
        ----------
        straditizer: weakref.ref
            The reference to the straditizer
        axes: matplotlib.axes.Axes
            The matplotlib axes corresponding to the marks
        """
        super(MultiCrossMarksEditor, self).__init__(*args, **kwargs)
        self.straditizer = straditizer
        straditizer = straditizer()
        self.error_msg = PyErrorMessage(self)

        #: Plot the reconstructed data
        self.cb_plot_lines = QCheckBox('Plot reconstruction')
        self.cb_plot_lines.setChecked(True)

        # A Checkbox to automatically zoom to the selection
        self.cb_zoom_to_selection = QCheckBox('Zoom to selection')

        # A Checkbox to automaticall hide the other marks
        self.cb_selection_only = QCheckBox('Selection only')

        # A Checkbox to automatically fit the selected cells to the selected
        # data
        self.cb_fit2selection = QCheckBox(
            'Fit selected cells to selected data')
        self.cb_fit2selection.setToolTip(
            'If checked, select cells from the table and click on one of the '
            'plots to update the table with the data at the selected position.'
        )

        # The table to display the DataFrame
        self.table = self.create_view(axes=axes)

        # format line edit
        self.format_editor = QLineEdit()
        self.format_editor.setText(self.table.model()._format)

        # format update button
        self.btn_change_format = QPushButton('Update')
        self.btn_change_format.setEnabled(False)

        self.btn_save = QPushButton('Save')
        self.btn_save.setToolTip('Save the samples and continue editing')

        # ---------------------------------------------------------------------
        # ------------------------ layout --------------------------------
        # ---------------------------------------------------------------------
        vbox = QVBoxLayout()
        self.top_hbox = hbox = QHBoxLayout()
        hbox.addWidget(self.cb_zoom_to_selection)
        hbox.addWidget(self.cb_selection_only)
        hbox.addWidget(self.cb_fit2selection)
        hbox.addWidget(self.cb_plot_lines)
        hbox.addStretch(0)
        vbox.addLayout(hbox)
        vbox.addWidget(self.table)
        self.bottom_hbox = hbox = QHBoxLayout()
        hbox.addWidget(self.format_editor)
        hbox.addWidget(self.btn_change_format)
        hbox.addStretch(0)
        hbox.addWidget(self.btn_save)
        vbox.addLayout(hbox)
        self.setLayout(vbox)

        # ---------------------------------------------------------------------
        # ------------------------ Connections --------------------------------
        # ---------------------------------------------------------------------
        self.format_editor.textChanged.connect(self.toggle_fmt_button)
        self.btn_change_format.clicked.connect(self.update_format)
        self.btn_save.clicked.connect(self.save_samples)
        straditizer.mark_added.connect(self.table.model().load_new_marks)
        straditizer.mark_removed.connect(self.table.model().remove_mark)
        self.table.selectionModel().selectionChanged.connect(
            self.maybe_zoom_to_selection)
        self.table.frozen_table_view.selectionModel().selectionChanged.connect(
            self.maybe_zoom_to_selection)
        self.table.selectionModel().selectionChanged.connect(
            self.maybe_show_selection_only)
        self.table.frozen_table_view.selectionModel().selectionChanged.connect(
            self.maybe_show_selection_only)

        self.cb_zoom_to_selection.stateChanged.connect(
            self.toggle_cb_zoom_to_selection)
        self.cb_selection_only.stateChanged.connect(
            self.toggle_cb_selection_only)
        self.cb_fit2selection.stateChanged.connect(self.toggle_fit2selection)
        self.cb_plot_lines.stateChanged.connect(self.toggle_plot_lines)

        self.toggle_plot_lines()

    def create_view(self, axes=None):
        """Create the :class:`MultiCrossMarksView` of the editor

        Parameters
        ----------
        axes: list of :class:`matplotlib.axes.Axes`
            The matplotlib axes for the marks"""
        stradi = self.straditizer()
        reader = stradi.data_reader
        df = getattr(stradi, '_plotted_full_df', reader._full_df).copy()
        df.columns = [
            str(i) if str(i) == colname else '%s (%i)' % (colname, i)
            for i, colname in enumerate(stradi.colnames_reader.column_names +
                                        ['nextrema'])
        ]
        return MultiCrossMarksView(stradi.marks,
                                   df,
                                   df.columns,
                                   self.straditizer,
                                   axes=axes,
                                   occurences_value=reader.occurences_value)

    def save_samples(self):
        """Save the samples to the :attr:`straditizer` without removing them"""
        self.straditizer().update_samples_sep(remove=False)

    def maybe_zoom_to_selection(self):
        if self.cb_zoom_to_selection.isChecked():
            self.table.zoom_to_selection()

    def maybe_show_selection_only(self):
        if self.cb_selection_only.isChecked():
            self.table.show_selected_marks_only()

    def toggle_cb_zoom_to_selection(self):
        if self.cb_zoom_to_selection.isChecked():
            self.table.zoom_to_selection()

    def toggle_cb_selection_only(self):
        if self.cb_selection_only.isChecked():
            self.table.show_selected_marks_only()
        else:
            self.table.show_all_marks()

    def toggle_fit2selection(self):
        """Enable the fitting so selected digitized data"""
        model = self.table.model()
        fig = model.fig
        if self.cb_fit2selection.isChecked():
            self._fit2selection_cid = fig.canvas.mpl_connect(
                'button_press_event', self._fit2selection)
        elif self._fit2selection_cid is not None:
            fig.canvas.mpl_disconnect(self._fit2selection_cid)
            del self._fit2selection_cid

    def _fit2selection(self, event):
        model = self.table.model()
        if (not event.inaxes or event.button != 1
                or model.fig.canvas.manager.toolbar.mode != ''):
            return
        y = int(np.round(event.ydata))
        data = self.table.full_df.loc[y]
        indexes = list(self.table.selectedIndexes())
        mark = None
        for index in indexes:
            row = index.row()
            col = index.column()
            if col == 0:  # index column
                continue
            mark = model.get_cell_mark(row, col)
            old_pos = mark.pos
            xa = data[col - 1]
            if np.isnan(xa):
                xa = 0
            mark.set_pos((xa, mark.ya))
            mark.moved.emit(old_pos, mark)
        if mark is not None:
            mark.fig.canvas.draw()

    def toggle_fmt_button(self, text):
        try:
            text % 1.1
        except (TypeError, ValueError):
            self.btn_change_format.setEnabled(False)
        else:
            self.btn_change_format.setEnabled(
                text.strip() != self.table.model()._format)

    def toggle_plot_lines(self):
        model = self.table.model()
        if self.cb_plot_lines.isChecked():
            model.plot_lines()
        else:
            model.remove_lines()

    def update_format(self):
        """Update the format of the table"""
        self.table.model().set_format(self.format_editor.text().strip())

    def to_dock(self,
                main,
                title=None,
                position=None,
                docktype='df',
                *args,
                **kwargs):
        if position is None:
            if main.centralWidget() is not main.help_explorer:
                position = main.dockWidgetArea(main.help_explorer.dock)
            else:
                position = Qt.RightDockWidgetArea
        connect = self.dock is None
        ret = super(MultiCrossMarksEditor, self).to_dock(main,
                                                         title,
                                                         position,
                                                         docktype=docktype,
                                                         *args,
                                                         **kwargs)
        if connect:
            self.dock.toggleViewAction().triggered.connect(self.maybe_tabify)
        return ret

    def maybe_tabify(self):
        main = self.dock.parent()
        if self.is_shown and main.dockWidgetArea(
                main.help_explorer.dock) == main.dockWidgetArea(self.dock):
            main.tabifyDockWidget(main.help_explorer.dock, self.dock)
Exemplo n.º 29
0
    def __init__(self, *args, **kwargs):
        """
        Parameters
        ----------
        help_explorer: psyplot_gui.help_explorer.HelpExplorer
            The help explorer to show the documentation of one formatoption
        console: psyplot_gui.console.ConsoleWidget
            The console that can be used to update the current subproject via::

                psy.gcp().update(**kwargs)

            where ``**kwargs`` is defined through the selected formatoption
            in the :attr:`fmt_combo` combobox and the value in the
            :attr:`line_edit` editor
        ``*args, **kwargs``
            Any other keyword for the QWidget class
        """
        help_explorer = kwargs.pop('help_explorer', None)
        console = kwargs.pop('console', None)
        super(FormatoptionWidget, self).__init__(*args, **kwargs)
        self.help_explorer = help_explorer
        self.console = console
        self.error_msg = PyErrorMessage(self)

        # ---------------------------------------------------------------------
        # -------------------------- Child widgets ----------------------------
        # ---------------------------------------------------------------------
        self.group_combo = QComboBox(parent=self)
        self.fmt_combo = QComboBox(parent=self)
        self.line_edit = QLineEdit(parent=self)
        self.text_edit = QTextEdit(parent=self)
        self.run_button = QToolButton(parent=self)

        # completer for the fmto widget
        self.fmt_combo.setEditable(True)
        self.fmt_combo.setInsertPolicy(QComboBox.NoInsert)
        self.fmto_completer = completer = QCompleter(
            ['time', 'lat', 'lon', 'lev'])
        completer.setCompletionMode(
            QCompleter.PopupCompletion)
        completer.activated[str].connect(self.set_fmto)
        if with_qt5:
            completer.setFilterMode(Qt.MatchContains)
        completer.setModel(QStandardItemModel())
        self.fmt_combo.setCompleter(completer)

        self.dim_widget = DimensionsWidget(parent=self)
        self.dim_widget.setVisible(False)

        self.multiline_button = QPushButton('Multiline', parent=self)
        self.multiline_button.setCheckable(True)

        self.yaml_cb = QCheckBox('Yaml syntax')
        self.yaml_cb.setChecked(True)

        self.keys_button = QPushButton('Keys', parent=self)
        self.summaries_button = QPushButton('Summaries', parent=self)
        self.docs_button = QPushButton('Docs', parent=self)

        self.grouped_cb = QCheckBox('grouped', parent=self)
        self.all_groups_cb = QCheckBox('all groups', parent=self)
        self.include_links_cb = QCheckBox('include links', parent=self)

        self.text_edit.setVisible(False)

        # ---------------------------------------------------------------------
        # -------------------------- Descriptions -----------------------------
        # ---------------------------------------------------------------------

        self.group_combo.setToolTip('Select the formatoption group')
        self.fmt_combo.setToolTip('Select the formatoption to update')
        self.line_edit.setToolTip(
            'Insert the value which what you want to update the selected '
            'formatoption and hit right button. The code is executed in the '
            'main console.')
        self.yaml_cb.setToolTip(
            "Use the yaml syntax for the values inserted in the above cell. "
            "Otherwise the content there is evaluated as a python expression "
            "in the terminal")
        self.text_edit.setToolTip(self.line_edit.toolTip())
        self.run_button.setIcon(QIcon(get_icon('run_arrow.png')))
        self.run_button.setToolTip('Update the selected formatoption')
        self.multiline_button.setToolTip(
            'Allow linebreaks in the text editor line above.')
        self.keys_button.setToolTip(
            'Show the formatoption keys in this group (or in all '
            'groups) in the help explorer')
        self.summaries_button.setToolTip(
            'Show the formatoption summaries in this group (or in all '
            'groups) in the help explorer')
        self.docs_button.setToolTip(
            'Show the formatoption documentations in this group (or in all '
            'groups) in the help explorer')
        self.grouped_cb.setToolTip(
            'Group the formatoptions before displaying them in the help '
            'explorer')
        self.all_groups_cb.setToolTip('Use all groups when displaying the '
                                      'keys, docs or summaries')
        self.include_links_cb.setToolTip(
            'Include links to remote documentations when showing the '
            'keys, docs and summaries in the help explorer (requires '
            'intersphinx)')

        # ---------------------------------------------------------------------
        # -------------------------- Connections ------------------------------
        # ---------------------------------------------------------------------
        self.group_combo.currentIndexChanged[int].connect(self.fill_fmt_combo)
        self.fmt_combo.currentIndexChanged[int].connect(self.show_fmt_info)
        self.fmt_combo.currentIndexChanged[int].connect(self.load_fmt_widget)
        self.fmt_combo.currentIndexChanged[int].connect(
            self.set_current_fmt_value)
        self.run_button.clicked.connect(self.run_code)
        self.line_edit.returnPressed.connect(self.run_button.click)
        self.multiline_button.clicked.connect(self.toggle_line_edit)
        self.keys_button.clicked.connect(
            partial(self.show_all_fmt_info, 'keys'))
        self.summaries_button.clicked.connect(
            partial(self.show_all_fmt_info, 'summaries'))
        self.docs_button.clicked.connect(
            partial(self.show_all_fmt_info, 'docs'))

        # ---------------------------------------------------------------------
        # ------------------------------ Layouts ------------------------------
        # ---------------------------------------------------------------------
        self.combos = QHBoxLayout()
        self.combos.addWidget(self.group_combo)
        self.combos.addWidget(self.fmt_combo)

        self.execs = QHBoxLayout()
        self.execs.addWidget(self.line_edit)
        self.execs.addWidget(self.text_edit)
        self.execs.addWidget(self.run_button)

        self.info_box = QHBoxLayout()
        self.info_box.addWidget(self.multiline_button)
        self.info_box.addWidget(self.yaml_cb)
        self.info_box.addStretch(0)
        for w in [self.keys_button, self.summaries_button, self.docs_button,
                  self.all_groups_cb, self.grouped_cb, self.include_links_cb]:
            self.info_box.addWidget(w)

        self.vbox = QVBoxLayout()
        self.vbox.addLayout(self.combos)
        self.vbox.addWidget(self.dim_widget)
        self.vbox.addLayout(self.execs)
        self.vbox.addLayout(self.info_box)

        self.vbox.setSpacing(0)

        self.setLayout(self.vbox)

        # fill with content
        self.fill_combos_from_project(psy.gcp())
        psy.Project.oncpchange.connect(self.fill_combos_from_project)
        rcParams.connect('fmt.sort_by_key', self.refill_from_rc)
Exemplo n.º 30
0
    def __init__(self, parent, fmto, artist=None, base=None):
        """
        Parameters
        ----------
        %(FontWeightWidget.parameters)s
        """
        QWidget.__init__(self, parent)
        hbox = QHBoxLayout()
        if artist is not None:
            self.current_font = self.artist_to_qfont(artist)
            self.current_color = QtGui.QColor.fromRgbF(
                *mcol.to_rgba(artist.get_color()))
        else:
            self.current_color = QtGui.QColor(Qt.black)
        self.fmto_name = fmto.name or fmto.key

        # choose font button
        button = QPushButton('Choose font')
        button.clicked.connect(partial(self.choose_font, None))
        hbox.addWidget(button)

        # font size spin box
        self.spin_box = spin_box = QSpinBox(self)
        spin_box.setRange(1, 1e9)
        if artist is not None:
            spin_box.setValue(int(artist.get_size()))
        spin_box.valueChanged.connect(self.modify_size)
        hbox.addWidget(spin_box)

        # font color button
        self.btn_font_color = button = QToolButton(self)
        button.setIcon(QIcon(get_icon('font_color.png')))
        button.clicked.connect(partial(self.choose_color, None))
        hbox.addWidget(button)

        # bold button
        self.btn_bold = button = QToolButton(self)
        button.setIcon(QIcon(get_icon('bold.png')))
        button.clicked.connect(self.toggle_bold)
        button.setCheckable(True)
        if artist is not None:
            button.setChecked(self.current_font.weight() > 50)
        hbox.addWidget(button)

        # italic button
        self.btn_italic = button = QToolButton(self)
        button.setIcon(QIcon(get_icon('italic.png')))
        button.clicked.connect(self.toggle_italic)
        button.setCheckable(True)
        if artist is not None:
            button.setChecked(self.current_font.italic())
        hbox.addWidget(button)

        if base is not None:
            # add a button to change to the base formatoption
            fmtos = [
                base,
                getattr(fmto.plotter, base.key + 'size', None),
                getattr(fmto.plotter, base.key + 'weight', None),
            ]
            fmtos = list(filter(None, fmtos))
            hbox.addWidget(Switch2FmtButton(parent, *fmtos))

        self.setLayout(hbox)
Exemplo n.º 31
0
class StackedReader(DataReader, StraditizerControlBase):
    """A DataReader for stacked area plots

    This reader only works within the straditizer GUI because the digitization
    (see :meth:`digitize`) is interactive. The user has to manually distinguish
    the stacked variables."""

    #: The QTreeWidgetItem that holds the digitization widgets
    digitize_child = None

    #: A QPushButton to select the previous variable during the digitization
    #: (see :meth:`decrease_current_col`)
    btn_prev = None

    #: A QPushButton to select the next variable during the digitization
    #: (see :meth:`increase_current_col`)
    btn_next = None

    #: A QPushButton to select the features in the image for the current
    #: variable (see :meth:`select_current_column`)
    btn_edit = None

    #: A QPushButton to add a new variable to the current ones
    #: (see :meth:`select_and_add_current_column`)
    btn_add = None

    #: A QLabel to display the current column
    lbl_col = None

    strat_plot_identifier = 'stacked'

    _current_col = 0

    def digitize(self):
        """Digitize the data interactively

        This method creates a new child item for the digitize button in the
        straditizer control to manually distinguish the variables in the
        stacked diagram."""
        if getattr(self, 'straditizer_widgets', None) is None:
            self.init_straditizercontrol(get_straditizer_widgets())
        digitizer = self.straditizer_widgets.digitizer
        digitizing = digitizer.btn_digitize.isChecked()
        if digitizing and self.digitize_child is None:
            raise ValueError("Apparently another digitization is in progress!")
        elif not digitizing and self.digitize_child is None:
            if len(self.columns) == 1 or self._current_col not in self.columns:
                self._current_col = self.columns[0]
            if len(self.columns) == 1:
                super(StackedReader, self).digitize()
            # start digitization
            digitizer.btn_digitize.setCheckable(True)
            digitizer.btn_digitize.setChecked(True)
            self._init_digitize_child()
            # Disable the changing of readers
            digitizer.cb_readers.setEnabled(False)
            digitizer.tree.expandItem(digitizer.digitize_item)
            self.enable_or_disable_navigation_buttons()
            self.reset_lbl_col()
        elif not digitizing:
            # stop digitization
            digitizer.btn_digitize.setChecked(False)
            digitizer.btn_digitize.setCheckable(False)
            self._remove_digitze_child(digitizer)
            digitizer.cb_readers.setEnabled(
                digitizer.should_be_enabled(digitizer.cb_readers))
            del self.straditizer_widgets

    def _init_digitize_child(self):
        self.lbl_col = QLabel('')
        self.btn_prev = QPushButton('<')
        self.btn_next = QPushButton('>')
        self.btn_edit = QPushButton('Edit')
        self.btn_add = QPushButton('+')
        self.reset_lbl_col()
        self.btn_box = w = QWidget()
        vbox = QVBoxLayout()
        vbox.addWidget(self.lbl_col)
        hbox = QHBoxLayout()
        hbox.addWidget(self.btn_prev)
        hbox.addWidget(self.btn_next)
        hbox.addWidget(self.btn_edit)
        hbox.addWidget(self.btn_add)
        vbox.addLayout(hbox)
        w.setLayout(vbox)

        self.digitize_child = QTreeWidgetItem(0)
        self.straditizer_widgets.digitizer.digitize_item.addChild(
            self.digitize_child)
        self.straditizer_widgets.digitizer.tree.setItemWidget(
            self.digitize_child, 0, w)
        self.widgets2disable = [self.btn_prev, self.btn_next,
                                self.btn_edit, self.btn_add]

        self.btn_next.clicked.connect(self.increase_current_col)
        self.btn_prev.clicked.connect(self.decrease_current_col)
        self.btn_edit.clicked.connect(self.select_current_column)
        self.btn_add.clicked.connect(self.select_and_add_current_column)

    def reset_lbl_col(self):
        """Reset the :attr:`lbl_col` to display the current column"""
        self.lbl_col.setText('Part %i of %i' % (
            self.columns.index(self._current_col) + 1, len(self.columns)))

    def increase_current_col(self):
        """Take the next column as the current column"""
        self._current_col = min(self.columns[-1], self._current_col + 1)
        self.reset_lbl_col()
        self.enable_or_disable_navigation_buttons()

    def decrease_current_col(self):
        """Take the previous column as the current column"""
        self._current_col = max(self.columns[0], self._current_col - 1)
        self.reset_lbl_col()
        self.enable_or_disable_navigation_buttons()

    def _remove_digitze_child(self, digitizer):
        digitizer.digitize_item.takeChild(
            digitizer.digitize_item.indexOfChild(
                self.digitize_child))
        digitizer.btn_digitize.setChecked(False)
        digitizer.btn_digitize.setCheckable(False)
        for btn in self.widgets2disable:
            btn.clicked.disconnect()
        del (self.digitize_child, self.btn_prev, self.btn_next, self.btn_add,
             self.btn_edit, self.lbl_col, self.btn_box)
        self.widgets2disable.clear()

    def enable_or_disable_navigation_buttons(self):
        """Enable or disable :attr:`btn_prev` and :attr:`btn_next`

        Depending on the current column, we disable the navigation buttons
        :attr:`btn_prev` and :attr:`btn_next`"""
        disable_all = self.columns is None or len(self.columns) == 1
        self.btn_prev.setEnabled(not disable_all and
                                 self._current_col != self.columns[0])
        self.btn_next.setEnabled(not disable_all and
                                 self._current_col != self.columns[-1])

    def select_and_add_current_column(self):
        """Select the features for a column and create it as a new one"""
        return self._select_current_column(True)

    def select_current_column(self):
        """Select the features of the current column"""
        return self._select_current_column()

    def _select_current_column(self, add_on_apply=False):
        image = self.to_grey_pil(self.image).astype(int) + 1
        start = self.start_of_current_col
        end = start + self.full_df[self._current_col].values
        all_end = start + self.full_df.loc[:, self._current_col:].values.sum(
            axis=1)
        x = np.meshgrid(*map(np.arange, image.shape[::-1]))[0]
        image[(x < start[:, np.newaxis]) | (x > all_end[:, np.newaxis])] = 0
        labels = skim.label(image, 8)
        self.straditizer_widgets.selection_toolbar.data_obj = self
        self.apply_button.clicked.connect(
            self.add_col if add_on_apply else self.update_col)
        self.apply_button.clicked.connect(self.update_plotted_full_df)
        self.straditizer_widgets.selection_toolbar.start_selection(
            labels, rgba=self.image_array(), remove_on_apply=False)
        self.select_all_labels()
        # set values outside the current column to 0
        self._selection_arr[(x < start[:, np.newaxis]) |
                            (x >= end[:, np.newaxis])] = -1
        self._select_img.set_array(self._selection_arr)
        self.draw_figure()

    @property
    def start_of_current_col(self):
        """The first x-pixel of the current column"""
        if self._current_col == self.columns[0]:
            start = np.zeros(self.binary.shape[:1])
        else:
            idx = self.columns.index(self._current_col)
            start = self.full_df.iloc[:, :idx].values.sum(axis=1)
        start += self.column_starts[0]
        return start

    def update_plotted_full_df(self):
        """Update the plotted full_df if it is shown

        See Also
        --------
        plot_full_df"""
        pc = self.straditizer_widgets.plot_control.table
        if pc.can_plot_full_df() and pc.get_full_df_lines():
            pc.remove_full_df_plot()
            pc.plot_full_df()

    def update_col(self):
        """Update the current column based on the selection.

        This method updates the end of the current column and adds or removes
        the changes from the columns to the right."""
        current = self._current_col
        start = self.start_of_current_col
        selected = self.selected_part
        end = (self.binary.shape[1] - selected[:, ::-1].argmax(axis=1) -
               start)
        not_selected = ~selected.any()
        end[not_selected] = 0

        diff_end = self.parent._full_df.loc[:, current] - end
        self.parent._full_df.loc[:, current] = end
        if current != self.columns[-1]:
            self.parent._full_df.loc[:, current + 1] += diff_end

    def get_binary_for_col(self, col):
        s, e = self.column_bounds[self.columns.index(col)]
        if self.parent._full_df is None:
            return self.binary[:, s:e]
        else:
            vals = self.full_df.loc[:, col].values
            ret = np.zeros((self.binary.shape[0], int(vals.max())))
            dist = np.tile(np.arange(ret.shape[1])[np.newaxis], (len(ret), 1))
            ret[dist <= vals[:, np.newaxis]] = 1
            return ret

    def add_col(self):
        """Create a column out of the current selection"""
        def increase_col_nums(df):
            df_cols = df.columns.values
            df_cols[df_cols >= current] += 1
            df.columns = df_cols
        current = self._current_col
        start = self.start_of_current_col
        selected = self.selected_part
        end = (self.binary.shape[1] - selected[:, ::-1].argmax(axis=1) -
               start)
        not_selected = ~selected.any()
        end[not_selected] = 0

        # ----- Update of reader column numbers -----
        for reader in self.iter_all_readers:
            for i, col in enumerate(reader.columns):
                if col >= current:
                    reader.columns[i] += 1
        self.columns.insert(self.columns.index(current + 1), current)
        self.parent._column_starts = np.insert(
            self.parent._column_starts, current, self._column_starts[current])
        if self.parent._column_ends is not None:
            self.parent._column_ends = np.insert(
                self.parent._column_ends, current,
                self.parent._column_ends[current])

        # ----- Update of column numbers in dataframes -----
        # increase column numbers in full_df
        full_df = self.parent._full_df
        increase_col_nums(full_df)
        # increase column numbers in samples
        samples = self.parent._sample_locs
        if samples is not None:
            increase_col_nums(samples)

        # ----- Update of DataFrames -----
        # update the current column in full_df and add the new one
        full_df.loc[:, current + 1] -= end
        full_df[current] = end
        full_df.sort_index(axis=1, inplace=True)
        # update the current column in samples and add the new one
        if samples is not None:
            new_samples = full_df.loc[samples.index, current]
            samples.loc[:, current + 1] -= new_samples
            samples[current] = new_samples
            samples.sort_index(axis=1, inplace=True)
        rough_locs = self.parent.rough_locs
        if rough_locs is not None:
            rough_locs[(current + 1, 'vmin')] = rough_locs[(current, 'vmin')]
            rough_locs[(current + 1, 'vmax')] = rough_locs[(current, 'vmax')]
            rough_locs.loc[:, current] = -1
            rough_locs.sort_index(inplace=True, level=0)
        self.reset_lbl_col()
        self.enable_or_disable_navigation_buttons()

    def plot_full_df(self, ax=None):
        """Plot the lines for the digitized diagram"""
        vals = self.full_df.values
        starts = self.column_starts
        self.lines = lines = []
        y = np.arange(np.shape(self.image)[0])
        ax = ax or self.ax
        if self.extent is not None:
            y += self.extent[-1]
            starts += self.extent[0]
        x = np.zeros_like(vals[:, 0]) + starts[0]
        for i in range(vals.shape[1]):
            x += vals[:, i]
            lines.extend(ax.plot(x.copy(), y, lw=2.0))

    def plot_potential_samples(self, excluded=False, ax=None, plot_kws={},
                               *args, **kwargs):
        """Plot the ranges for potential samples"""
        vals = self.full_df.values.copy()
        starts = self.column_starts.copy()
        self.sample_ranges = lines = []
        y = np.arange(np.shape(self.image)[0])
        ax = ax or self.ax
        plot_kws = dict(plot_kws)
        plot_kws.setdefault('marker', '+')
        if self.extent is not None:
            y += self.extent[-1]
            starts = starts + self.extent[0]
        x = np.zeros(vals.shape[0]) + starts[0]
        for i, (col, arr) in enumerate(zip(self.columns, vals.T)):
            all_indices, excluded_indices = self.find_potential_samples(
                i, *args, **kwargs)
            if excluded:
                all_indices = excluded_indices
            if not all_indices:
                x += arr
                continue
            mask = np.ones(arr.size, dtype=bool)
            for imin, imax in all_indices:
                mask[imin:imax] = False
            for imin, imax in all_indices:
                lines.extend(ax.plot(
                    np.where(mask, np.nan, arr)[imin:imax] + x[imin:imax],
                    y[imin:imax], **plot_kws))
            x += arr

    def resize_axes(self, grouper, bounds):
        """Reimplemented to do nothing"""
        xmin = bounds.min()
        xmax = bounds.max()
        grouper.plotters[0].update(xlim=(xmin, xmax))
        return
Exemplo n.º 32
0
    def __init__(self, *args, **kwargs):
        super(DataFrameEditor, self).__init__(*args, **kwargs)
        self.error_msg = PyErrorMessage(self)

        # Label for displaying the DataFrame size
        self.lbl_size = QLabel()

        # A Checkbox for enabling and disabling the editability of the index
        self.cb_index_editable = QCheckBox('Index editable')

        # A checkbox for enabling and disabling the change of data types
        self.cb_dtypes_changeable = QCheckBox('Datatypes changeable')

        # A checkbox for enabling and disabling sorting
        self.cb_enable_sort = QCheckBox('Enable sorting')

        # A button to open a dataframe from the file
        self.btn_open_df = QToolButton(parent=self)
        self.btn_open_df.setIcon(QIcon(get_icon('run_arrow.png')))
        self.btn_open_df.setToolTip('Open a DataFrame from your disk')

        self.btn_from_console = LoadFromConsoleButton(pd.DataFrame)
        self.btn_from_console.setToolTip('Show a DataFrame from the console')

        # The table to display the DataFrame
        self.table = DataFrameView(pd.DataFrame(), self)

        # format line edit
        self.format_editor = QLineEdit()
        self.format_editor.setText(self.table.model()._format)

        # format update button
        self.btn_change_format = QPushButton('Update')
        self.btn_change_format.setEnabled(False)

        # table clearing button
        self.btn_clear = QPushButton('Clear')
        self.btn_clear.setToolTip(
            'Clear the table and disconnect from the DataFrame')

        # refresh button
        self.btn_refresh = QToolButton()
        self.btn_refresh.setIcon(QIcon(get_icon('refresh.png')))
        self.btn_refresh.setToolTip('Refresh the table')

        # close button
        self.btn_close = QPushButton('Close')
        self.btn_close.setToolTip('Close this widget permanentely')

        # ---------------------------------------------------------------------
        # ------------------------ layout --------------------------------
        # ---------------------------------------------------------------------
        vbox = QVBoxLayout()
        self.top_hbox = hbox = QHBoxLayout()
        hbox.addWidget(self.cb_index_editable)
        hbox.addWidget(self.cb_dtypes_changeable)
        hbox.addWidget(self.cb_enable_sort)
        hbox.addWidget(self.lbl_size)
        hbox.addStretch(0)
        hbox.addWidget(self.btn_open_df)
        hbox.addWidget(self.btn_from_console)
        vbox.addLayout(hbox)
        vbox.addWidget(self.table)
        self.bottom_hbox = hbox = QHBoxLayout()
        hbox.addWidget(self.format_editor)
        hbox.addWidget(self.btn_change_format)
        hbox.addStretch(0)
        hbox.addWidget(self.btn_clear)
        hbox.addWidget(self.btn_close)
        hbox.addWidget(self.btn_refresh)
        vbox.addLayout(hbox)
        self.setLayout(vbox)

        # ---------------------------------------------------------------------
        # ------------------------ Connections --------------------------------
        # ---------------------------------------------------------------------
        self.cb_dtypes_changeable.stateChanged.connect(
            self.set_dtypes_changeable)
        self.cb_index_editable.stateChanged.connect(self.set_index_editable)
        self.btn_from_console.object_loaded.connect(self._open_ds_from_console)
        self.rows_inserted.connect(lambda i, n: self.set_lbl_size_text())
        self.format_editor.textChanged.connect(self.toggle_fmt_button)
        self.btn_change_format.clicked.connect(self.update_format)
        self.btn_clear.clicked.connect(self.clear_table)
        self.btn_close.clicked.connect(self.clear_table)
        self.btn_close.clicked.connect(lambda: self.close())
        self.btn_refresh.clicked.connect(self.table.reset_model)
        self.btn_open_df.clicked.connect(self._open_dataframe)
        self.table.set_index_action.triggered.connect(
            self.update_index_editable)
        self.table.append_index_action.triggered.connect(
            self.update_index_editable)
        self.cb_enable_sort.stateChanged.connect(
            self.table.setSortingEnabled)
Exemplo n.º 33
0
class DependenciesDialog(QDialog):
    """A dialog for displaying the dependencies"""

    #: description label
    label = None

    #: the QVBoxLayout containing all the widgets
    vbox = None

    #: The :class:`DependenciesTree` that contains the package infos
    tree = None

    #: The QPushButton used for copying selected packages to the clipboard
    bt_copy = None

    #: A simple info label for info messages
    info_label = None

    #: A QTimer that clears the :attr:`info_label` after some time
    timer = None

    @docstrings.dedent
    def __init__(self, versions, *args, **kwargs):
        """
        Parameters
        ----------
        %(DependenciesTree.parameters)s
        """
        super(DependenciesDialog, self).__init__(*args, **kwargs)
        self.setWindowTitle('Dependencies')
        self.versions = versions
        self.vbox = layout = QVBoxLayout()

        self.label = QLabel("""
            psyplot and the plugins depend on several python libraries. The
            tree widget below lists the versions of the plugins and the
            requirements. You can select the items in the tree and copy them to
            clipboard.""", parent=self)

        layout.addWidget(self.label)

        self.tree = DependenciesTree(versions, parent=self)
        self.tree.setSelectionMode(QAbstractItemView.MultiSelection)
        layout.addWidget(self.tree)

        # copy button
        self.bt_copy = QPushButton('Copy selection to clipboard')
        self.bt_copy.setToolTip(
            'Copy the selected packages in the above table to the clipboard.')
        self.bt_copy.clicked.connect(lambda: self.copy_selected())

        self.bbox = QDialogButtonBox(QDialogButtonBox.Ok)
        self.bbox.accepted.connect(self.accept)

        hbox = QHBoxLayout()
        hbox.addWidget(self.bt_copy)
        hbox.addStretch(1)
        hbox.addWidget(self.bbox)
        layout.addLayout(hbox)

        #: A label for simple status update
        self.info_label = QLabel('', self)
        layout.addWidget(self.info_label)
        self.timer = QtCore.QTimer(self)
        self.timer.timeout.connect(self.clear_label)

        self.setLayout(layout)

    def copy_selected(self, label=None):
        """Copy the selected versions and items to the clipboard"""
        d = {}
        items = self.tree.selectedItems()
        if not items:
            QMessageBox.warning(self, "No packages selected!",
                                "Please select packages in the tree!")
            return
        for item in items:
            d[item.text(0)] = item.text(1)
        if label is None:
            label = QApplication.clipboard()
        label.setText("\n".join(
            '%s: %s' % t for t in d.items()))
        self.info_label.setText('Packages copied to clipboard.')
        self.timer.start(3000)

    def clear_label(self):
        """Clear the info label"""
        self.info_label.setText('')
Exemplo n.º 34
0
class ResultsPlot(StraditizerControlBase):
    """A widget for plotting the final results

    This widgets contains a QPushButton :attr:`btn_plot` to plot the results
    using the :meth:`straditize.binary.DataReader.plot_results` method"""

    #: The QPushButton to call the :meth:`plot_results` method
    btn_plot = None

    #: A QCheckBox whether x- and y-axis should be translated from pixel to
    #: data units
    cb_transformed = None

    #: A QCheckBox whether the samples or the full digitized data shall be
    #: plotted
    cb_final = None

    def __init__(self, straditizer_widgets):
        self.init_straditizercontrol(straditizer_widgets)

        self.btn_plot = QPushButton("Plot results")

        self.cb_final = QCheckBox("Samples")
        self.cb_final.setToolTip(
            "Create the diagram based on the samples only, not on the full "
            "digized data")
        self.cb_final.setChecked(True)
        self.cb_final.setEnabled(False)

        self.cb_transformed = QCheckBox("Translated")
        self.cb_transformed.setToolTip("Use the x-axis and y-axis translation")
        self.cb_transformed.setChecked(True)
        self.cb_transformed.setEnabled(False)

        self.btn_plot.clicked.connect(self.plot_results)

    def setup_children(self, item):
        tree = self.straditizer_widgets.tree
        tree.setItemWidget(item, 0, self.btn_plot)

        child = QTreeWidgetItem(0)
        item.addChild(child)
        widget = QWidget()
        vbox = QVBoxLayout()
        vbox.addWidget(self.cb_final)
        vbox.addWidget(self.cb_transformed)
        widget.setLayout(vbox)

        tree.setItemWidget(child, 0, widget)

    def refresh(self):
        try:
            self.straditizer.yaxis_px
            self.straditizer.data_reader.xaxis_px
        except (AttributeError, ValueError):
            self.cb_transformed.setEnabled(False)
        else:
            self.cb_transformed.setEnabled(True)
        try:
            assert self.straditizer.data_reader.sample_locs is not None
        except (AssertionError, AttributeError):
            self.cb_final.setEnabled(False)
        else:
            self.cb_final.setEnabled(True)
        try:
            self.btn_plot.setEnabled(
                self.straditizer.data_reader._full_df is not None)
        except AttributeError:
            self.btn_plot.setEnabled(False)

    def plot_results(self):
        """Plot the results

        What is plotted depends on the :attr:`cb_transformed` and the
        :attr:`cb_final`

        :attr:`cb_transformed` and :attr:`cb_final` are checked
            Plot the :attr:`straditize.straditizer.Straditizer.final_df`
        :attr:`cb_transformed` is checked but not :attr:`cb_final`
            Plot the :attr:`straditize.straditizer.Straditizer.full_df`
        :attr:`cb_transformed` is not checked but :attr:`cb_final`
            Plot the :attr:`straditize.binary.DataReader.sample_locs`
        :attr:`cb_transformed` and :attr:`cb_final` are both not checked
            Plot the :attr:`straditize.binary.DataReader.full_df`"""
        transformed = self.cb_transformed.isEnabled() and \
            self.cb_transformed.isChecked()
        if self.cb_final.isEnabled() and self.cb_final.isChecked():
            df = self.straditizer.final_df if transformed else \
                self.straditizer.data_reader.sample_locs
        else:
            df = self.straditizer.full_df if transformed else \
                self.straditizer.data_reader._full_df
        return self.straditizer.data_reader.plot_results(
            df, transformed=transformed)
Exemplo n.º 35
0
class FormatoptionWidget(QWidget, DockMixin):
    """
    Widget to update the formatoptions of the current project

    This widget, mainly made out of a combobox for the formatoption group,
    a combobox for the formatoption, and a text editor, is designed
    for updating the selected formatoptions for the current subproject.

    The widget is connected to the :attr:`psyplot.project.Project.oncpchange`
    signal and refills the comboboxes if the current subproject changes.

    The text editor either accepts python code that will be executed by the
    given `console`, or yaml code.
    """

    no_fmtos_update = _temp_bool_prop('no_fmtos_update',
                                      """update the fmto combo box or not""")

    #: The combobox for the formatoption groups
    group_combo = None

    #: The combobox for the formatoptions
    fmt_combo = None

    #: The help_explorer to display the documentation of the formatoptions
    help_explorer = None

    #: The formatoption specific widget that is loaded from the formatoption
    fmt_widget = None

    #: A line edit for updating the formatoptions
    line_edit = None

    #: A multiline text editor for updating the formatoptions
    text_edit = None

    #: A button to switch between :attr:`line_edit` and :attr:`text_edit`
    multiline_button = None

    @property
    def shell(self):
        """The shell to execute the update of the formatoptions in the current
        project"""
        return self.console.kernel_manager.kernel.shell

    def __init__(self, *args, **kwargs):
        """
        Parameters
        ----------
        help_explorer: psyplot_gui.help_explorer.HelpExplorer
            The help explorer to show the documentation of one formatoption
        console: psyplot_gui.console.ConsoleWidget
            The console that can be used to update the current subproject via::

                psy.gcp().update(**kwargs)

            where ``**kwargs`` is defined through the selected formatoption
            in the :attr:`fmt_combo` combobox and the value in the
            :attr:`line_edit` editor
        ``*args, **kwargs``
            Any other keyword for the QWidget class
        """
        help_explorer = kwargs.pop('help_explorer', None)
        console = kwargs.pop('console', None)
        super(FormatoptionWidget, self).__init__(*args, **kwargs)
        self.help_explorer = help_explorer
        self.console = console
        self.error_msg = PyErrorMessage(self)

        # ---------------------------------------------------------------------
        # -------------------------- Child widgets ----------------------------
        # ---------------------------------------------------------------------
        self.group_combo = QComboBox(parent=self)
        self.fmt_combo = QComboBox(parent=self)
        self.line_edit = QLineEdit(parent=self)
        self.text_edit = QTextEdit(parent=self)
        self.run_button = QToolButton(parent=self)

        # completer for the fmto widget
        self.fmt_combo.setEditable(True)
        self.fmt_combo.setInsertPolicy(QComboBox.NoInsert)
        self.fmto_completer = completer = QCompleter(
            ['time', 'lat', 'lon', 'lev'])
        completer.setCompletionMode(QCompleter.PopupCompletion)
        completer.activated[str].connect(self.set_fmto)
        if with_qt5:
            completer.setFilterMode(Qt.MatchContains)
        completer.setModel(QStandardItemModel())
        self.fmt_combo.setCompleter(completer)

        self.dim_widget = DimensionsWidget(parent=self)
        self.dim_widget.setVisible(False)

        self.multiline_button = QPushButton('Multiline', parent=self)
        self.multiline_button.setCheckable(True)

        self.yaml_cb = QCheckBox('Yaml syntax')
        self.yaml_cb.setChecked(True)

        self.keys_button = QPushButton('Keys', parent=self)
        self.summaries_button = QPushButton('Summaries', parent=self)
        self.docs_button = QPushButton('Docs', parent=self)

        self.grouped_cb = QCheckBox('grouped', parent=self)
        self.all_groups_cb = QCheckBox('all groups', parent=self)
        self.include_links_cb = QCheckBox('include links', parent=self)

        self.text_edit.setVisible(False)

        # ---------------------------------------------------------------------
        # -------------------------- Descriptions -----------------------------
        # ---------------------------------------------------------------------

        self.group_combo.setToolTip('Select the formatoption group')
        self.fmt_combo.setToolTip('Select the formatoption to update')
        self.line_edit.setToolTip(
            'Insert the value which what you want to update the selected '
            'formatoption and hit right button. The code is executed in the '
            'main console.')
        self.yaml_cb.setToolTip(
            "Use the yaml syntax for the values inserted in the above cell. "
            "Otherwise the content there is evaluated as a python expression "
            "in the terminal")
        self.text_edit.setToolTip(self.line_edit.toolTip())
        self.run_button.setIcon(QIcon(get_icon('run_arrow.png')))
        self.run_button.setToolTip('Update the selected formatoption')
        self.multiline_button.setToolTip(
            'Allow linebreaks in the text editor line above.')
        self.keys_button.setToolTip(
            'Show the formatoption keys in this group (or in all '
            'groups) in the help explorer')
        self.summaries_button.setToolTip(
            'Show the formatoption summaries in this group (or in all '
            'groups) in the help explorer')
        self.docs_button.setToolTip(
            'Show the formatoption documentations in this group (or in all '
            'groups) in the help explorer')
        self.grouped_cb.setToolTip(
            'Group the formatoptions before displaying them in the help '
            'explorer')
        self.all_groups_cb.setToolTip('Use all groups when displaying the '
                                      'keys, docs or summaries')
        self.include_links_cb.setToolTip(
            'Include links to remote documentations when showing the '
            'keys, docs and summaries in the help explorer (requires '
            'intersphinx)')

        # ---------------------------------------------------------------------
        # -------------------------- Connections ------------------------------
        # ---------------------------------------------------------------------
        self.group_combo.currentIndexChanged[int].connect(self.fill_fmt_combo)
        self.fmt_combo.currentIndexChanged[int].connect(self.show_fmt_info)
        self.fmt_combo.currentIndexChanged[int].connect(self.load_fmt_widget)
        self.fmt_combo.currentIndexChanged[int].connect(
            self.set_current_fmt_value)
        self.run_button.clicked.connect(self.run_code)
        self.line_edit.returnPressed.connect(self.run_button.click)
        self.multiline_button.clicked.connect(self.toggle_line_edit)
        self.keys_button.clicked.connect(
            partial(self.show_all_fmt_info, 'keys'))
        self.summaries_button.clicked.connect(
            partial(self.show_all_fmt_info, 'summaries'))
        self.docs_button.clicked.connect(
            partial(self.show_all_fmt_info, 'docs'))

        # ---------------------------------------------------------------------
        # ------------------------------ Layouts ------------------------------
        # ---------------------------------------------------------------------
        self.combos = QHBoxLayout()
        self.combos.addWidget(self.group_combo)
        self.combos.addWidget(self.fmt_combo)

        self.execs = QHBoxLayout()
        self.execs.addWidget(self.line_edit)
        self.execs.addWidget(self.text_edit)
        self.execs.addWidget(self.run_button)

        self.info_box = QHBoxLayout()
        self.info_box.addWidget(self.multiline_button)
        self.info_box.addWidget(self.yaml_cb)
        self.info_box.addStretch(0)
        for w in [
                self.keys_button, self.summaries_button, self.docs_button,
                self.all_groups_cb, self.grouped_cb, self.include_links_cb
        ]:
            self.info_box.addWidget(w)

        self.vbox = QVBoxLayout()
        self.vbox.addLayout(self.combos)
        self.vbox.addWidget(self.dim_widget)
        self.vbox.addLayout(self.execs)
        self.vbox.addLayout(self.info_box)

        self.vbox.setSpacing(0)

        self.setLayout(self.vbox)

        # fill with content
        self.fill_combos_from_project(psy.gcp())
        psy.Project.oncpchange.connect(self.fill_combos_from_project)
        rcParams.connect('fmt.sort_by_key', self.refill_from_rc)

    def refill_from_rc(self, sort_by_key):
        from psyplot.project import gcp
        self.fill_combos_from_project(gcp())

    def fill_combos_from_project(self, project):
        """Fill :attr:`group_combo` and :attr:`fmt_combo` from a project

        Parameters
        ----------
        project: psyplot.project.Project
            The project to use"""
        if rcParams['fmt.sort_by_key']:

            def sorter(fmto):
                return fmto.key
        else:
            sorter = self.get_name

        current_text = self.group_combo.currentText()
        with self.no_fmtos_update:
            self.group_combo.clear()
            if project is None or project.is_main or not len(project):
                self.fmt_combo.clear()
                self.groups = []
                self.fmtos = []
                self.line_edit.setEnabled(False)
                return
            self.line_edit.setEnabled(True)
            # get dimensions
            it_vars = chain.from_iterable(arr.psy.iter_base_variables
                                          for arr in project.arrays)
            dims = next(it_vars).dims
            sdims = set(dims)
            for var in it_vars:
                sdims.intersection_update(var.dims)
            coords = [d for d in dims if d in sdims]
            coords_name = [COORDSGROUP] if coords else []
            coords_verbose = ['Dimensions'] if coords else []
            coords = [coords] if coords else []

            if len(project.plotters):
                # get formatoptions and group them alphabetically
                grouped_fmts = defaultdict(list)
                for fmto in project._fmtos:
                    grouped_fmts[fmto.group].append(fmto)
                for val in six.itervalues(grouped_fmts):
                    val.sort(key=sorter)
                grouped_fmts = OrderedDict(
                    sorted(six.iteritems(grouped_fmts),
                           key=lambda t: psyp.groups.get(t[0], t[0])))
                fmt_groups = list(grouped_fmts.keys())
                # save original names
                self.groups = coords_name + [ALLGROUP] + fmt_groups
                # save verbose group names (which are used in the combo box)
                self.groupnames = (
                    coords_verbose + ['All formatoptions'] +
                    list(map(lambda s: psyp.groups.get(s, s), fmt_groups)))
                # save formatoptions
                fmtos = list(grouped_fmts.values())
                self.fmtos = coords + [sorted(chain(*fmtos), key=sorter)
                                       ] + fmtos
            else:
                self.groups = coords_name
                self.groupnames = coords_verbose
                self.fmtos = coords
            self.group_combo.addItems(self.groupnames)
            ind = self.group_combo.findText(current_text)
            self.group_combo.setCurrentIndex(ind if ind >= 0 else 0)
        self.fill_fmt_combo(self.group_combo.currentIndex())

    def get_name(self, fmto):
        """Get the name of a :class:`psyplot.plotter.Formatoption` instance"""
        if isinstance(fmto, six.string_types):
            return fmto
        return '%s (%s)' % (fmto.name, fmto.key) if fmto.name else fmto.key

    @property
    def fmto(self):
        return self.fmtos[self.group_combo.currentIndex()][
            self.fmt_combo.currentIndex()]

    @fmto.setter
    def fmto(self, value):
        name = self.get_name(value)
        for i, fmtos in enumerate(self.fmtos):
            if i == 1:  # all formatoptions
                continue
            if name in map(self.get_name, fmtos):
                with self.no_fmtos_update:
                    self.group_combo.setCurrentIndex(i)
                self.fill_fmt_combo(i, name)
                return

    def toggle_line_edit(self):
        """Switch between the :attr:`line_edit` and :attr:`text_edit`

        This method is called when the :attr:`multiline_button` is clicked
        and switches between the single line :attr:``line_edit` and the
        multiline :attr:`text_edit`
        """
        # switch to multiline text edit
        if (self.multiline_button.isChecked()
                and not self.text_edit.isVisible()):
            self.line_edit.setVisible(False)
            self.text_edit.setVisible(True)
            self.text_edit.setPlainText(self.line_edit.text())
        elif (not self.multiline_button.isChecked()
              and not self.line_edit.isVisible()):
            self.line_edit.setVisible(True)
            self.text_edit.setVisible(False)
            self.line_edit.setText(self.text_edit.toPlainText())

    def fill_fmt_combo(self, i, current_text=None):
        """Fill the :attr:`fmt_combo` combobox based on the current group name
        """
        if not self.no_fmtos_update:
            with self.no_fmtos_update:
                if current_text is None:
                    current_text = self.fmt_combo.currentText()
                self.fmt_combo.clear()
                self.fmt_combo.addItems(list(map(self.get_name,
                                                 self.fmtos[i])))
                ind = self.fmt_combo.findText(current_text)
                self.fmt_combo.setCurrentIndex(ind if ind >= 0 else 0)
                # update completer model
                self.setup_fmt_completion_model()
            idx = self.fmt_combo.currentIndex()
            self.show_fmt_info(idx)
            self.load_fmt_widget(idx)
            self.set_current_fmt_value(idx)

    def set_fmto(self, name):
        self.fmto = name

    def setup_fmt_completion_model(self):
        fmtos = list(
            unique_everseen(map(self.get_name,
                                chain.from_iterable(self.fmtos))))
        model = self.fmto_completer.model()
        model.setRowCount(len(fmtos))
        for i, name in enumerate(fmtos):
            model.setItem(i, QStandardItem(name))

    def load_fmt_widget(self, i):
        """Load the formatoption specific widget

        This method loads the formatoption specific widget from the
        :meth:`psyplot.plotter.Formatoption.get_fmt_widget` method and
        displays it above the :attr:`line_edit`

        Parameters
        ----------
        i: int
            The index of the current formatoption"""
        self.remove_fmt_widget()
        group_ind = self.group_combo.currentIndex()
        if not self.no_fmtos_update:
            from psyplot.project import gcp
            if self.groups[group_ind] == COORDSGROUP:
                dim = self.fmtos[group_ind][i]
                self.fmt_widget = self.dim_widget
                self.dim_widget.set_dim(dim)
                self.dim_widget.set_single_selection(dim not in gcp()[0].dims)
                self.dim_widget.setVisible(True)
            else:
                fmto = self.fmtos[group_ind][i]
                self.fmt_widget = fmto.get_fmt_widget(self, gcp())
                if self.fmt_widget is not None:
                    self.vbox.insertWidget(2, self.fmt_widget)

    def reset_fmt_widget(self):
        idx = self.fmt_combo.currentIndex()
        self.load_fmt_widget(idx)
        self.set_current_fmt_value(idx)

    def remove_fmt_widget(self):
        if self.fmt_widget is not None:
            self.fmt_widget.hide()
            if self.fmt_widget is self.dim_widget:
                self.fmt_widget.reset_combobox()
            else:
                self.vbox.removeWidget(self.fmt_widget)
                self.fmt_widget.close()
            del self.fmt_widget

    def set_current_fmt_value(self, i):
        """Add the value of the current formatoption to the line text"""
        group_ind = self.group_combo.currentIndex()
        if not self.no_fmtos_update:
            if self.groups[group_ind] == COORDSGROUP:
                from psyplot.project import gcp
                dim = self.fmtos[group_ind][i]
                self.set_obj(gcp().arrays[0].psy.idims[dim])
            else:
                fmto = self.fmtos[group_ind][i]
                self.set_obj(fmto.value)

    def show_fmt_info(self, i):
        """Show the documentation of the formatoption in the help explorer
        """
        group_ind = self.group_combo.currentIndex()
        if (not self.no_fmtos_update
                and self.groups[group_ind] != COORDSGROUP):
            fmto = self.fmtos[self.group_combo.currentIndex()][i]
            fmto.plotter.show_docs(
                fmto.key, include_links=self.include_links_cb.isChecked())

    def run_code(self):
        """Run the update of the project inside the :attr:`shell`"""
        if self.line_edit.isVisible():
            text = str(self.line_edit.text())
        else:
            text = str(self.text_edit.toPlainText())
        if not text or not self.fmtos:
            return
        group_ind = self.group_combo.currentIndex()
        if self.groups[group_ind] == COORDSGROUP:
            key = self.fmtos[group_ind][self.fmt_combo.currentIndex()]
            param = 'dims'
        else:
            key = self.fmtos[group_ind][self.fmt_combo.currentIndex()].key
            param = 'fmt'
        if self.yaml_cb.isChecked():
            import psyplot.project as psy
            psy.gcp().update(**{key: yaml.load(text, Loader=yaml.Loader)})
        else:
            code = "psy.gcp().update(%s={'%s': %s})" % (param, key, text)
            if ExecutionInfo is not None:
                info = ExecutionInfo(raw_cell=code,
                                     store_history=False,
                                     silent=True,
                                     shell_futures=False)
                e = ExecutionResult(info)
            else:
                e = ExecutionResult()
            self.console.run_command_in_shell(code, e)
            try:
                e.raise_error()
            except Exception:  # reset the console and clear the error message
                raise
            finally:
                self.console.reset()

    def get_text(self):
        """Get the current update text"""
        if self.line_edit.isVisible():
            return self.line_edit.text()
        else:
            return self.text_edit.toPlainText()

    def get_obj(self):
        """Get the current update text"""
        if self.line_edit.isVisible():
            txt = self.line_edit.text()
        else:
            txt = self.text_edit.toPlainText()
        try:
            obj = yaml.load(txt, Loader=yaml.Loader)
        except Exception:
            self.error_msg.showTraceback("Could not load %s" % txt)
        else:
            return obj

    def insert_obj(self, obj):
        """Add a string to the formatoption widget"""
        current = self.get_text()
        use_yaml = self.yaml_cb.isChecked()
        use_line_edit = self.line_edit.isVisible()
        # strings are treated separately such that we consider quotation marks
        # at the borders
        if isstring(obj) and current:
            if use_line_edit:
                pos = self.line_edit.cursorPosition()
            else:
                pos = self.text_edit.textCursor().position()
            if pos not in [0, len(current)]:
                s = obj
            else:
                if current[0] in ['"', "'"]:
                    current = current[1:-1]
                self.clear_text()
                if pos == 0:
                    s = '"' + obj + current + '"'
                else:
                    s = '"' + current + obj + '"'
                current = ''
        elif isstring(obj):  # add quotation marks
            s = '"' + obj + '"'
        elif not use_yaml:
            s = repr(obj)
        else:
            s = yaml.dump(obj, default_flow_style=True).strip()
            if s.endswith('\n...'):
                s = s[:-4]
        if use_line_edit:
            self.line_edit.insert(s)
        else:
            self.text_edit.insertPlainText(s)

    def clear_text(self):
        if self.line_edit.isVisible():
            self.line_edit.clear()
        else:
            self.text_edit.clear()

    def set_obj(self, obj):
        self.clear_text()
        self.insert_obj(obj)

    def show_all_fmt_info(self, what):
        """Show the keys, summaries or docs of the formatoptions

        Calling this function let's the help browser show the documentation
        etc. of all docs or only the selected group determined by the state of
        the :attr:`grouped_cb` and :attr:`all_groups_cb` checkboxes

        Parameters
        ----------
        what: {'keys', 'summaries', 'docs'}
            Determines what to show"""
        if not self.fmtos:
            return
        if (self.all_groups_cb.isChecked()
                or self.group_combo.currentIndex() < 2):
            fmtos = list(
                chain.from_iterable(
                    fmto_group for i, fmto_group in enumerate(self.fmtos)
                    if self.groups[i] not in [ALLGROUP, COORDSGROUP]))
        else:
            fmtos = self.fmtos[self.group_combo.currentIndex()]
        plotter = fmtos[0].plotter
        getattr(plotter, 'show_' +
                what)([fmto.key for fmto in fmtos],
                      grouped=self.grouped_cb.isChecked(),
                      include_links=self.include_links_cb.isChecked())