Example #1
0
    def createExtendedContinuousPalette(self, paletteName, boxCaption,
                                        passThroughColors=0, initialColor1=Qt.white,
                                        initialColor2=Qt.black,
                                        extendedPassThroughColors=((Qt.red, 1),
                                                                   (Qt.black, 1),
                                                                   (Qt.green, 1))):
        buttBox = gui.vBox(self.mainArea, boxCaption)
        box = gui.hBox(buttBox)

        self.__dict__["exCont" + paletteName + "Left"] = ColorButton(self, box, color=QColor(initialColor1))
        self.__dict__["exCont" + paletteName + "View"] = PaletteView(box)
        self.__dict__["exCont" + paletteName + "Right"] = ColorButton(self, box, color=QColor(initialColor2))

        self.__dict__["exCont" + paletteName + "passThroughColors"] = passThroughColors
        self.__dict__["exCont" + paletteName + "passThroughColorsCheckbox"] = gui.checkBox(buttBox, self,
                                                                                           "exCont" + paletteName + "passThroughColors",
                                                                                           "Use pass-through colors",
                                                                                           callback=self.colorSchemaChange)

        box = gui.hBox(buttBox, "Pass-through colors")
        for i, (color, check) in enumerate(extendedPassThroughColors):
            self.__dict__["exCont" + paletteName + "passThroughColor" + str(i)] = check
            self.__dict__["exCont" + paletteName + "passThroughColor" + str(i) + "Checkbox"] = cb = gui.checkBox(box,
                                                                                                                 self,
                                                                                                                 "exCont" + paletteName + "passThroughColor" + str(
                                                                                                                     i),
                                                                                                                 "",
                                                                                                                 tooltip="Use color",
                                                                                                                 callback=self.colorSchemaChange)
            self.__dict__["exCont" + paletteName + "color" + str(i)] = ColorButton(self, box, color=QColor(color))
            if i < len(extendedPassThroughColors) - 1:
                gui.rubber(box)
        self.__dict__["exCont" + paletteName + "colorCount"] = len(extendedPassThroughColors)
        self.exContPaletteNames.append(paletteName)
Example #2
0
    def _add_kernel_box(self):
        # Initialize with the widest label to measure max width
        self.kernel_eq = self.kernels[-1][1]

        box = gui.hBox(self.controlArea, "Kernel")

        self.kernel_box = buttonbox = gui.radioButtonsInBox(
            box, self, "kernel_type", btnLabels=[k[0] for k in self.kernels],
            callback=self._on_kernel_changed, addSpace=20)
        buttonbox.layout().setSpacing(10)
        gui.rubber(buttonbox)

        parambox = gui.vBox(box)
        gui.label(parambox, self, "Kernel: %(kernel_eq)s")
        common = dict(orientation=Qt.Horizontal, callback=self.settings_changed,
                      alignment=Qt.AlignRight, controlWidth=80)
        spbox = gui.hBox(parambox)
        gui.rubber(spbox)
        inbox = gui.vBox(spbox)
        gamma = gui.doubleSpin(
            inbox, self, "gamma", 0.0, 10.0, 0.01, label=" g: ", **common)
        gamma.setSpecialValueText(self._default_gamma)
        coef0 = gui.doubleSpin(
            inbox, self, "coef0", 0.0, 10.0, 0.01, label=" c: ", **common)
        degree = gui.doubleSpin(
            inbox, self, "degree", 0.0, 10.0, 0.5, label=" d: ", **common)
        self._kernel_params = [gamma, coef0, degree]
        gui.rubber(parambox)

        # This is the maximal height (all double spins are visible)
        # and the maximal width (the label is initialized to the widest one)
        box.layout().activate()
        box.setFixedHeight(box.sizeHint().height())
        box.setMinimumWidth(box.sizeHint().width())
Example #3
0
    def createExtendedContinuousPalette(
            self, paletteName, boxCaption,
            passThroughColors=0, initialColor1=Qt.white, initialColor2=Qt.black,
            extendedPassThroughColors=((Qt.red, 1), (Qt.black, 1), (Qt.green, 1))):
        buttBox = gui.vBox(self.mainArea, boxCaption)
        box = gui.hBox(buttBox)

        def _set(keypart, val):
            self.__dict__["exCont{}{}".format(paletteName, keypart)] = val

        _set("Left", ColorButton(self, box, color=QColor(initialColor1)))
        _set("View", PaletteView(box))
        _set("Right", ColorButton(self, box, color=QColor(initialColor2)))
        _set("passThroughColors", passThroughColors)
        _set("passThroughColorsCheckbox",
             gui.checkBox(buttBox, self,
                          "exCont" + paletteName + "passThroughColors",
                          "Use pass-through colors",
                          callback=self.colorSchemaChange))

        box = gui.hBox(buttBox, "Pass-through colors")
        for i, (color, check) in enumerate(extendedPassThroughColors):
            _set("passThroughColor" + str(i), check)
            _set("passThroughColor" + str(i) + "Checkbox", gui.checkBox(
                box, self,
                "exCont" + paletteName + "passThroughColor" + str(i),
                "", tooltip="Use color", callback=self.colorSchemaChange))
            _set("color" + str(i), ColorButton(self, box, color=QColor(color)))
            if i < len(extendedPassThroughColors) - 1:
                gui.rubber(box)
        _set("colorCount", len(extendedPassThroughColors))
        self.exContPaletteNames.append(paletteName)
Example #4
0
    def __init__(self):
        super().__init__()

        self.data = None
        self.input_features = None
        self.attrs = []

        self.attr_box = gui.hBox(self.mainArea)
        model = VariableListModel()
        model.wrap(self.attrs)
        self.attrXCombo = gui.comboBox(
            self.attr_box, self, value="attrX", contentsLength=12,
            callback=self.change_attr, sendSelectedValue=True, valueType=str)
        self.attrXCombo.setModel(model)
        gui.widgetLabel(self.attr_box, "\u2715").\
            setSizePolicy(QSizePolicy.Fixed, QSizePolicy.Fixed)
        self.attrYCombo = gui.comboBox(
            self.attr_box, self, value="attrY", contentsLength=12,
            callback=self.change_attr, sendSelectedValue=True, valueType=str)
        self.attrYCombo.setModel(model)

        self.canvas = QGraphicsScene()
        self.canvasView = ViewWithPress(self.canvas, self.mainArea,
                                         handler=self.reset_selection)
        self.mainArea.layout().addWidget(self.canvasView)
        self.canvasView.setVerticalScrollBarPolicy(Qt.ScrollBarAlwaysOff)
        self.canvasView.setHorizontalScrollBarPolicy(Qt.ScrollBarAlwaysOff)

        box = gui.hBox(self.mainArea)
        box.layout().addWidget(self.graphButton)
        box.layout().addWidget(self.report_button)
Example #5
0
    def add_main_layout(self):
        box = gui.hBox(self.controlArea, "Regularization")
        gui.radioButtons(box, self, "reg_type",
                         btnLabels=self.REGULARIZATION_TYPES,
                         callback=self._reg_type_changed)

        gui.separator(box, 20, 20)
        self.alpha_box = box2 = gui.vBox(box, margin=10)
        gui.widgetLabel(box2, "Regularization strength:")
        self.alpha_slider = gui.hSlider(
            box2, self, "alpha_index",
            minValue=0, maxValue=len(self.alphas) - 1,
            callback=self._alpha_changed, createLabel=False)
        box3 = gui.hBox(box2)
        box3.layout().setAlignment(Qt.AlignCenter)
        self.alpha_label = gui.widgetLabel(box3, "")
        self._set_alpha_label()

        gui.separator(box2, 10, 10)
        box4 = gui.vBox(box2, margin=0)
        gui.widgetLabel(box4, "Elastic net mixing:")
        box5 = gui.hBox(box4)
        gui.widgetLabel(box5, "L1")
        self.l1_ratio_slider = gui.hSlider(
            box5, self, "l1_ratio", minValue=0.01, maxValue=0.99,
            intOnly=False, ticks=0.1, createLabel=False, width=120,
            step=0.01, callback=self._l1_ratio_changed)
        gui.widgetLabel(box5, "L2")
        self.l1_ratio_label = gui.widgetLabel(
            box4, "",
            sizePolicy=(QSizePolicy.MinimumExpanding, QSizePolicy.Fixed))
        self.l1_ratio_label.setAlignment(Qt.AlignCenter)
Example #6
0
 def add_main_layout(self):
     box = gui.widgetBox(self.controlArea, box=True)
     self.penalty_combo = gui.comboBox(
         box,
         self,
         "penalty_type",
         label="Regularization type: ",
         items=self.penalty_types,
         orientation=Qt.Horizontal,
         addSpace=4,
         callback=self.settings_changed,
     )
     gui.widgetLabel(box, "Strength:")
     box2 = gui.hBox(gui.indentedBox(box))
     gui.widgetLabel(box2, "Weak").setStyleSheet("margin-top:6px")
     self.c_slider = gui.hSlider(
         box2,
         self,
         "C_index",
         minValue=0,
         maxValue=len(self.C_s) - 1,
         callback=lambda: (self.set_c(), self.settings_changed()),
         createLabel=False,
     )
     gui.widgetLabel(box2, "Strong").setStyleSheet("margin-top:6px")
     box2 = gui.hBox(box)
     box2.layout().setAlignment(Qt.AlignCenter)
     self.c_label = gui.widgetLabel(box2)
     self.set_c()
Example #7
0
    def __init__(self):
        # pylint: disable=missing-docstring
        super().__init__()

        self.data = self.discrete_data = None
        self.attrs = []
        self.input_features = None
        self.areas = []
        self.selection = set()

        self.attr_box = gui.hBox(self.mainArea)
        self.domain_model = DomainModel(valid_types=DomainModel.PRIMITIVE)
        combo_args = dict(
            widget=self.attr_box, master=self, contentsLength=12,
            callback=self.update_attr, sendSelectedValue=True, valueType=str,
            model=self.domain_model)
        fixed_size = (QSizePolicy.Fixed, QSizePolicy.Fixed)
        gui.comboBox(value="attr_x", **combo_args)
        gui.widgetLabel(self.attr_box, "\u2715", sizePolicy=fixed_size)
        gui.comboBox(value="attr_y", **combo_args)
        self.vizrank, self.vizrank_button = SieveRank.add_vizrank(
            self.attr_box, self, "Score Combinations", self.set_attr)
        self.vizrank_button.setSizePolicy(*fixed_size)

        self.canvas = QGraphicsScene()
        self.canvasView = ViewWithPress(
            self.canvas, self.mainArea, handler=self.reset_selection)
        self.mainArea.layout().addWidget(self.canvasView)
        self.canvasView.setVerticalScrollBarPolicy(Qt.ScrollBarAlwaysOff)
        self.canvasView.setHorizontalScrollBarPolicy(Qt.ScrollBarAlwaysOff)

        box = gui.hBox(self.mainArea)
        box.layout().addWidget(self.graphButton)
        box.layout().addWidget(self.report_button)
Example #8
0
    def _add_algorithm_to_layout(self):
        box = gui.widgetBox(self.controlArea, 'Algorithm')
        # Classfication loss function
        self.cls_loss_function_combo = gui.comboBox(
            box, self, 'cls_loss_function_index', orientation=Qt.Horizontal,
            label='Classificaton loss function: ',
            items=list(zip(*self.cls_losses))[0],
            callback=self._on_cls_loss_change)
        param_box = gui.hBox(box)
        gui.rubber(param_box)
        self.cls_epsilon_spin = gui.spin(
            param_box, self, 'cls_epsilon', 0, 1., 1e-2, spinType=float,
            label='ε: ', controlWidth=80, alignment=Qt.AlignRight,
            callback=self.settings_changed)
        # Regression loss function
        self.reg_loss_function_combo = gui.comboBox(
            box, self, 'reg_loss_function_index', orientation=Qt.Horizontal,
            label='Regression loss function: ',
            items=list(zip(*self.reg_losses))[0],
            callback=self._on_reg_loss_change)
        param_box = gui.hBox(box)
        gui.rubber(param_box)
        self.reg_epsilon_spin = gui.spin(
            param_box, self, 'reg_epsilon', 0, 1., 1e-2, spinType=float,
            label='ε: ', controlWidth=80, alignment=Qt.AlignRight,
            callback=self.settings_changed)

        # Enable/disable appropriate controls
        self._on_cls_loss_change()
        self._on_reg_loss_change()
Example #9
0
    def __init__(self):
        super().__init__()
        self.data = None
        self.orig_domain = self.domain = None
        self.disc_colors = []
        self.cont_colors = []

        box = gui.hBox(self.controlArea, "Discrete Variables")
        self.disc_model = DiscColorTableModel()
        disc_view = self.disc_view = DiscreteTable(self.disc_model)
        disc_view.horizontalHeader().setSectionResizeMode(
            QHeaderView.ResizeToContents)
        self.disc_model.dataChanged.connect(self._on_data_changed)
        box.layout().addWidget(disc_view)

        box = gui.hBox(self.controlArea, "Numeric Variables")
        self.cont_model = ContColorTableModel()
        cont_view = self.cont_view = ContinuousTable(self, self.cont_model)
        cont_view.setColumnWidth(1, 256)
        self.cont_model.dataChanged.connect(self._on_data_changed)
        box.layout().addWidget(cont_view)

        box = gui.auto_commit(
            self.controlArea, self, "auto_apply", "Apply",
            orientation=Qt.Horizontal, checkbox_label="Apply automatically")
        box.button.setFixedWidth(180)
        box.layout().insertStretch(0)
    def __init__(self):
        super().__init__()

        self.data = None
        self.reference = None
        box = gui.vBox(self.controlArea, "Info")
        self.data_info_label = gui.widgetLabel(box, self._data_info_default)
        self.ref_info_label = gui.widgetLabel(box, self._ref_info_default)

        box = gui.vBox(self.controlArea, "Settings")
        self.distance_combo = gui.comboBox(
            box, self, "distance_index", orientation=Qt.Horizontal,
            label="Distance: ", items=[d[0] for d in METRICS],
            callback=self.settings_changed)

        check_box = gui.hBox(box)
        self.exclude_ref_label = gui.label(
            check_box, self, "Exclude references:")
        self.exclude_ref_check = gui.checkBox(
            check_box, self, "exclude_reference", label="",
            callback=self.settings_changed)

        box = gui.vBox(self.controlArea, "Output")
        self.nn_spin = gui.spin(
            box, self, "n_neighbors", label="Neighbors:", step=1, spinType=int,
            minv=0, maxv=100, callback=self.settings_changed)

        box = gui.hBox(self.controlArea, True)
        self.apply_button = gui.auto_commit(box, self, "auto_apply", "&Apply",
                                            box=False, commit=self.apply)
Example #11
0
    def __init__(self):
        super().__init__()

        self.old_purge_classes = True

        self.conditions = []
        self.last_output_conditions = None
        self.data = None
        self.data_desc = self.match_desc = self.nonmatch_desc = None

        box = gui.vBox(self.controlArea, 'Conditions', stretch=100)
        self.cond_list = QtGui.QTableWidget(box)
        box.layout().addWidget(self.cond_list)
        self.cond_list.setShowGrid(False)
        self.cond_list.setSelectionMode(QtGui.QTableWidget.NoSelection)
        self.cond_list.setColumnCount(3)
        self.cond_list.setRowCount(0)
        self.cond_list.verticalHeader().hide()
        self.cond_list.horizontalHeader().hide()
        self.cond_list.resizeColumnToContents(0)
        self.cond_list.horizontalHeader().setResizeMode(
            QtGui.QHeaderView.Stretch)
        self.cond_list.viewport().setBackgroundRole(QtGui.QPalette.Window)

        box2 = gui.hBox(box)
        self.add_button = gui.button(box2, self, "Add Condition",
                                     callback=self.add_row)
        self.add_all_button = gui.button(box2, self, "Add All Variables",
                                         callback=self.add_all)
        self.remove_all_button = gui.button(box2, self, "Remove All",
                                            callback=self.remove_all)
        gui.rubber(box2)

        info = gui.hBox(self.controlArea)
        box_data_in = gui.vBox(info, 'Data In')
#        self.data_in_rows = gui.widgetLabel(box_data_in, " ")
        self.data_in_variables = gui.widgetLabel(box_data_in, " ")
        gui.rubber(box_data_in)

        box_data_out = gui.vBox(info, 'Data Out')
        self.data_out_rows = gui.widgetLabel(box_data_out, " ")
#        self.dataOutAttributesLabel = gui.widgetLabel(box_data_out, " ")
        gui.rubber(box_data_out)

        box = gui.hBox(self.controlArea)
        box_setting = gui.vBox(box, 'Purging')
        self.cb_pa = gui.checkBox(
            box_setting, self, "purge_attributes", "Remove unused features",
            callback=self.conditions_changed)
        gui.separator(box_setting, height=1)
        self.cb_pc = gui.checkBox(
            box_setting, self, "purge_classes", "Remove unused classes",
            callback=self.conditions_changed)
        gui.auto_commit(box, self, "auto_commit", label="Send",
                        checkbox_label="Send automatically")
        self.set_data(None)
        self.resize(600, 400)
Example #12
0
    def __init__(self):
        super().__init__()

        self.data = None
        self.results = None
        self.learners = []
        self.headers = []

        self.learners_box = gui.listBox(
            self.controlArea, self, "selected_learner", "learners", box=True,
            callback=self._learner_changed
        )

        self.outputbox = gui.vBox(self.controlArea, "Output")
        box = gui.hBox(self.outputbox)
        gui.checkBox(box, self, "append_predictions",
                     "Predictions", callback=self._invalidate)
        gui.checkBox(box, self, "append_probabilities",
                     "Probabilities",
                     callback=self._invalidate)

        gui.auto_commit(self.outputbox, self, "autocommit",
                        "Send Selected", "Send Automatically", box=False)

        self.mainArea.layout().setContentsMargins(0, 0, 0, 0)

        box = gui.vBox(self.mainArea, box=True)

        sbox = gui.hBox(box)
        gui.rubber(sbox)
        gui.comboBox(sbox, self, "selected_quantity",
                     items=self.quantities, label="Show: ",
                     orientation=Qt.Horizontal, callback=self._update)

        self.tablemodel = QStandardItemModel(self)
        view = self.tableview = QTableView(
            editTriggers=QTableView.NoEditTriggers)
        view.setModel(self.tablemodel)
        view.horizontalHeader().hide()
        view.verticalHeader().hide()
        view.horizontalHeader().setMinimumSectionSize(60)
        view.selectionModel().selectionChanged.connect(self._invalidate)
        view.setShowGrid(False)
        view.setItemDelegate(BorderedItemDelegate(Qt.white))
        view.setSizePolicy(QSizePolicy.MinimumExpanding,
                           QSizePolicy.MinimumExpanding)
        view.clicked.connect(self.cell_clicked)
        box.layout().addWidget(view)

        selbox = gui.hBox(box)
        gui.button(selbox, self, "Select Correct",
                   callback=self.select_correct, autoDefault=False)
        gui.button(selbox, self, "Select Misclassified",
                   callback=self.select_wrong, autoDefault=False)
        gui.button(selbox, self, "Clear Selection",
                   callback=self.select_none, autoDefault=False)
Example #13
0
 def add_group_settings(self, parent):
     box = gui.vBox(parent, "Groups")
     box2 = gui.hBox(box)
     gui.checkBox(box2, self, "graph.group_lines", "Group lines into", tooltip="Show clusters instead of lines",
                  callback=self.update_graph)
     gui.spin(box2, self, "graph.number_of_groups", 0, 30, callback=self.update_graph)
     gui.label(box2, self, "groups")
     box2 = gui.hBox(box)
     gui.spin(box2, self, "graph.number_of_steps", 0, 100, label="In no more than", callback=self.update_graph)
     gui.label(box2, self, "steps")
Example #14
0
 def _create_check_parameter(self, name, label):
     self.__check_parameter_update(name)
     box = gui.hBox(self.main_area)
     return gui.checkBox(
         box, self, name, label,
         callback=lambda f=self.__check_parameter_update,
                         p=name: self.__parameter_changed(f, p))
Example #15
0
    def __init__(self):
        super().__init__()
        self.selectedIndex = -1
        #: input model/classifier
        self.model = None

        box = gui.hBox(self.controlArea, self.tr("File"))
        self.filesCB = gui.comboBox(box, self, "selectedIndex", callback=self._on_recent)
        self.filesCB.setMinimumContentsLength(20)
        self.filesCB.setSizeAdjustPolicy(QComboBox.AdjustToMinimumContentsLength)

        button = gui.button(box, self, "...", callback=self.browse, default=True)
        button.setIcon(self.style().standardIcon(QStyle.SP_DirOpenIcon))
        button.setSizePolicy(QSizePolicy.Maximum, QSizePolicy.Fixed)

        self.savebutton = gui.button(self.controlArea, self, "Save", callback=self.savecurrent, default=True)
        self.savebutton.setEnabled(False)

        # filter valid existing filenames
        self.history = list(filter(os.path.isfile, self.history))[:20]
        for filename in self.history:
            self.filesCB.addItem(os.path.basename(filename), userData=filename)

        # restore the current selection if the filename is
        # in the history list
        if self.filename in self.history:
            self.selectedIndex = self.history.index(self.filename)
        else:
            self.selectedIndex = -1
            self.filename = None
    def __init__(self):
        super().__init__()
        self.cap = None
        self.snapshot_flash = 0
        self.IMAGE_DIR = tempfile.mkdtemp(prefix='Orange-WebcamCapture-')

        self.setSizePolicy(QSizePolicy.MinimumExpanding,
                           QSizePolicy.MinimumExpanding)
        box = self.controlArea
        image = self.imageLabel = QLabel(
            margin=0,
            alignment=Qt.AlignCenter,
            sizePolicy=QSizePolicy(QSizePolicy.Ignored, QSizePolicy.Ignored))
        box.layout().addWidget(image, 100)

        self.name_edit = line_edit = gui.lineEdit(
            box, self, 'image_title', 'Title:', orientation=Qt.Horizontal)
        line_edit.setPlaceholderText(self.DEFAULT_TITLE)

        hbox = gui.hBox(box)
        gui.checkBox(hbox, self, 'avatar_filter', 'Avatar filter')
        button = self.capture_button = QPushButton('Capture', self,
                                                   clicked=self.capture_image)
        hbox.layout().addWidget(button, 1000)
        box.layout().addWidget(hbox)

        timer = QTimer(self, interval=40)
        timer.timeout.connect(self.update_webcam_image)
        timer.start()
    def __init__(self):
        hbox = gui.hBox(self.controlArea)
        _properties = dict(alternatingRowColors=True,
                           defaultDropAction=Qt.MoveAction,
                           dragDropMode=QListView.DragDrop,
                           dragEnabled=True,
                           selectionMode=QListView.ExtendedSelection,
                           selectionBehavior=QListView.SelectRows,
                           showDropIndicator=True,
                           acceptDrops=True)
        listview_avail = DnDListView(lambda: self.commit(), self, **_properties)
        self.model_avail = model = VariableListModel(parent=self, enable_dnd=True)
        listview_avail.setModel(model)

        listview_key = DnDListView(lambda: self.commit(), self, **_properties)
        self.model_key = model = VariableListModel(parent=self, enable_dnd=True)
        listview_key.setModel(model)

        box = gui.vBox(hbox, 'Available Variables')
        box.layout().addWidget(listview_avail)
        box = gui.vBox(hbox, 'Group-By Key')
        box.layout().addWidget(listview_key)

        gui.comboBox(self.controlArea, self, 'tiebreaker',
                     label='Which instance to select in each group:',
                     items=tuple(self.TIEBREAKERS.keys()),
                     callback=lambda: self.commit(),
                     sendSelectedValue=True)
        gui.auto_commit(self.controlArea, self, 'autocommit', 'Commit',
                        orientation=Qt.Horizontal)
Example #18
0
    def __init__(self):
        super().__init__()
        self.data = None
        self.cont_data = None

        # GUI
        box = gui.vBox(self.mainArea)
        self.correlation_combo = gui.comboBox(
            box, self, "correlation_type", items=CorrelationType.items(),
            orientation=Qt.Horizontal, callback=self._correlation_combo_changed
        )

        self.feature_model = DomainModel(
            order=DomainModel.ATTRIBUTES, separators=False,
            placeholder="(All combinations)", valid_types=ContinuousVariable)
        gui.comboBox(
            box, self, "feature", callback=self._feature_combo_changed,
            model=self.feature_model
        )

        self.vizrank, _ = CorrelationRank.add_vizrank(
            None, self, None, self._vizrank_selection_changed)
        self.vizrank.progressBar = self.progressBar
        self.vizrank.button.setEnabled(False)
        self.vizrank.threadStopped.connect(self._vizrank_stopped)

        gui.separator(box)
        box.layout().addWidget(self.vizrank.filter)
        box.layout().addWidget(self.vizrank.rank_table)

        button_box = gui.hBox(self.mainArea)
        button_box.layout().addWidget(self.vizrank.button)
Example #19
0
    def __init__(self):
        super().__init__()
        RecentPathsWComboMixin.__init__(self)
        self.loaded_file = ""

        vbox = gui.vBox(self.controlArea, "Distance File", addSpace=True)
        box = gui.hBox(vbox)
        self.file_combo.setMinimumWidth(300)
        box.layout().addWidget(self.file_combo)
        self.file_combo.activated[int].connect(self.select_file)

        button = gui.button(box, self, '...', callback=self.browse_file)
        button.setIcon(self.style().standardIcon(QtGui.QStyle.SP_DirOpenIcon))
        button.setSizePolicy(
            QtGui.QSizePolicy.Maximum, QtGui.QSizePolicy.Fixed)

        button = gui.button(
            box, self, "Reload", callback=self.reload, default=True)
        button.setIcon(self.style().standardIcon(QtGui.QStyle.SP_BrowserReload))
        button.setSizePolicy(QtGui.QSizePolicy.Fixed, QtGui.QSizePolicy.Fixed)

        box = gui.vBox(self.controlArea, "Info", addSpace=True)
        self.infoa = gui.widgetLabel(box, 'No data loaded.')
        self.warnings = gui.widgetLabel(box, ' ')
        #Set word wrap, so long warnings won't expand the widget
        self.warnings.setWordWrap(True)
        self.warnings.setSizePolicy(
            QtGui.QSizePolicy.Ignored, QtGui.QSizePolicy.MinimumExpanding)

        self.set_file_list()
        QtCore.QTimer.singleShot(0, self.open_file)
Example #20
0
    def __init__(self, parent, windowTitle="Color Palette"):
        super().__init__(parent, windowTitle=windowTitle)

        if PYQT_VERSION < 0x50000:
            gui.OWComponent.__init__(self, None)

        self.setLayout(QVBoxLayout())
        self.layout().setContentsMargins(4, 4, 4, 4)

        self.contPaletteNames = []
        self.exContPaletteNames = []
        self.discPaletteNames = []
        self.colorButtonNames = []
        self.colorSchemas = []
        self.selectedSchemaIndex = 0

        self.mainArea = gui.vBox(self, spacing=4)
        self.layout().addWidget(self.mainArea)
        self.schemaCombo = gui.comboBox(
            self.mainArea, self, "selectedSchemaIndex", box="Saved Profiles",
            callback=self.paletteSelected)

        self.hbox = gui.hBox(self)
        self.okButton = gui.button(self.hbox, self, "OK", self.acceptChanges)
        self.cancelButton = gui.button(self.hbox, self, "Cancel", self.reject)
        self.setMinimumWidth(230)
        self.resize(350, 200)
Example #21
0
    def __init__(self):
        super().__init__()

        self.data = None
        self.input_vars = ()
        self._invalidated = False

        box = gui.vBox(self.controlArea, "Domain Features")

        self.domain_model = itemmodels.VariableListModel()
        self.domain_view = QListView(
            selectionMode=QListView.SingleSelection
        )
        self.domain_view.setModel(self.domain_model)
        self.domain_view.selectionModel().selectionChanged.connect(
            self._on_selection_changed)
        box.layout().addWidget(self.domain_view)

        box = gui.hBox(self.controlArea)
        gui.button(box, self, "Reset Selected", callback=self.reset_selected)
        gui.button(box, self, "Reset All", callback=self.reset_all)

        gui.auto_commit(self.controlArea, self, "autocommit", "Apply")

        box = gui.vBox(self.mainArea, "Edit")
        self.editor_stack = QStackedWidget()

        self.editor_stack.addWidget(DiscreteVariableEditor())
        self.editor_stack.addWidget(ContinuousVariableEditor())
        self.editor_stack.addWidget(VariableEditor())

        box.layout().addWidget(self.editor_stack)
Example #22
0
    def __init__(self):
        super().__init__()

        self.data = None
        self.extra_data = None
        self.extra_data = None

        self.model = itemmodels.VariableListModel()
        self.model_unique_with_id = itemmodels.VariableListModel()
        self.extra_model_unique = itemmodels.VariableListModel()
        self.extra_model_unique_with_id = itemmodels.VariableListModel()

        box = gui.hBox(self.controlArea, box=None)
        self.infoBoxData = gui.label(
            box, self, self.dataInfoText(None), box="Data")
        self.infoBoxExtraData = gui.label(
            box, self, self.dataInfoText(None), box="Extra Data")

        grp = gui.radioButtonsInBox(
            self.controlArea, self, "merging", box="Merging",
            callback=self.change_merging)
        self.attr_boxes = []

        radio_width = \
            QApplication.style().pixelMetric(QStyle.PM_ExclusiveIndicatorWidth)

        def add_option(label, pre_label, between_label,
                       merge_type, model, extra_model):
            gui.appendRadioButton(grp, label)
            vbox = gui.vBox(grp)
            box = gui.hBox(vbox)
            box.layout().addSpacing(radio_width)
            self.attr_boxes.append(box)
            gui.widgetLabel(box, pre_label)
            model[:] = [getattr(self, 'attr_{}_data'.format(merge_type))]
            extra_model[:] = [getattr(self, 'attr_{}_extra'.format(merge_type))]
            cb = gui.comboBox(box, self, 'attr_{}_data'.format(merge_type),
                              contentsLength=12, callback=self._invalidate,
                              model=model)
            cb.setSizePolicy(QSizePolicy.MinimumExpanding, QSizePolicy.Fixed)
            cb.setFixedWidth(190)
            gui.widgetLabel(box, between_label)
            cb = gui.comboBox(box, self, 'attr_{}_extra'.format(merge_type),
                              contentsLength=12, callback=self._invalidate,
                              model=extra_model)
            cb.setSizePolicy(QSizePolicy.MinimumExpanding, QSizePolicy.Fixed)
            cb.setFixedWidth(190)
            vbox.layout().addSpacing(6)

        add_option("Append columns from Extra Data",
                   "by matching", "with", "augment",
                   self.model, self.extra_model_unique)
        add_option("Find matching rows", "where",
                   "equals", "merge",
                   self.model_unique_with_id, self.extra_model_unique_with_id)
        add_option("Concatenate tables, merge rows",
                   "where", "equals", "combine",
                   self.model_unique_with_id, self.extra_model_unique_with_id)
        self.set_merging()
Example #23
0
    def __init__(self, *args, **kwargs):
        super().__init__(*args, **kwargs)

        self.api = WikipediaAPI(on_error=self.Error.api_error)
        self.result = None

        query_box = gui.hBox(self.controlArea, 'Query')

        # Queries configuration
        layout = QGridLayout()
        layout.setSpacing(7)

        row = 0
        self.query_edit = ListEdit(self, 'query_list', "Each line represents a "
                                                  "separate query.", 100, self)
        layout.addWidget(QLabel('Query word list:'), row, 0, 1, self.label_width)
        layout.addWidget(self.query_edit, row, self.label_width, 1,
                         self.widgets_width)

        # Language
        row += 1
        language_edit = ComboBox(self, 'language', tuple(sorted(lang2code.items())))
        layout.addWidget(QLabel('Language:'), row, 0, 1, self.label_width)
        layout.addWidget(language_edit, row, self.label_width, 1, self.widgets_width)

        # Articles per query
        row += 1
        layout.addWidget(QLabel('Articles per query:'), row, 0, 1, self.label_width)
        slider = gui.valueSlider(query_box, self, 'articles_per_query', box='',
                                 values=[1, 3, 5, 10, 25])
        layout.addWidget(slider.box, row, 1, 1, self.widgets_width)

        query_box.layout().addLayout(layout)
        self.controlArea.layout().addWidget(query_box)

        self.controlArea.layout().addWidget(
            CheckListLayout('Text includes', self, 'text_includes', self.attributes, cols=2,
                            callback=self.set_text_features))

        self.info_box = gui.hBox(self.controlArea, 'Info')
        self.result_label = gui.label(self.info_box, self, self.info_label.format(0))

        self.button_box = gui.hBox(self.controlArea)

        self.search_button = gui.button(self.button_box, self, 'Search', self.start_stop)
        self.search_button.setFocusPolicy(Qt.NoFocus)
Example #24
0
 def _insert_warning_bar(self):
     self.warning_bar = gui.hBox(self, spacing=0)
     self.warning_icon = gui.widgetLabel(self.warning_bar, "")
     self.warning_label = gui.widgetLabel(self.warning_bar, "")
     self.warning_label.setStyleSheet("padding-top: 5px")
     self.warning_bar.setSizePolicy(QSizePolicy.Ignored, QSizePolicy.Maximum)
     gui.rubber(self.warning_bar)
     self.warning_bar.setVisible(False)
Example #25
0
    def __init__(self):
        # pylint: disable=missing-docstring
        super().__init__()

        self.data = self.discrete_data = None
        self.attrs = []
        self.input_features = None
        self.areas = []
        self.selection = set()

        self.attr_box = gui.hBox(self.mainArea)
        model = VariableListModel()
        model.wrap(self.attrs)
        combo_args = dict(
            widget=self.attr_box,
            master=self,
            contentsLength=12,
            callback=self.update_attr,
            sendSelectedValue=True,
            valueType=str,
            model=model,
        )
        fixed_size = (QSizePolicy.Fixed, QSizePolicy.Fixed)
        self.attrXCombo = gui.comboBox(value="attrX", **combo_args)
        gui.widgetLabel(self.attr_box, "\u2715", sizePolicy=fixed_size)
        self.attrYCombo = gui.comboBox(value="attrY", **combo_args)
        self.vizrank = SieveRank(self)
        self.vizrank_button = gui.button(
            self.attr_box,
            self,
            "Score Combinations",
            sizePolicy=fixed_size,
            callback=self.vizrank.reshow,
            enabled=False,
        )
        self.vizrank.pairSelected.connect(self.set_attr)

        self.canvas = QGraphicsScene()
        self.canvasView = ViewWithPress(self.canvas, self.mainArea, handler=self.reset_selection)
        self.mainArea.layout().addWidget(self.canvasView)
        self.canvasView.setVerticalScrollBarPolicy(Qt.ScrollBarAlwaysOff)
        self.canvasView.setHorizontalScrollBarPolicy(Qt.ScrollBarAlwaysOff)

        box = gui.hBox(self.mainArea)
        box.layout().addWidget(self.graphButton)
        box.layout().addWidget(self.report_button)
Example #26
0
 def add_form(box):
     gui.separator(box)
     box2 = gui.hBox(box)
     gui.rubber(box2)
     form = QtGui.QFormLayout()
     form.setContentsMargins(0, 0, 0, 0)
     box2.layout().addLayout(form)
     return form
    def __init__(self):
        box = gui.widgetBox(self.controlArea, 'Yahoo Finance Stock Data',
                            orientation='horizontal')
        lbox = gui.widgetBox(box, orientation='vertical')
        hbox = gui.widgetBox(lbox, orientation='horizontal')
        gui.label(hbox, self, 'Ticker:')
        self.combo = combo = QComboBox(editable=True,
                                       insertPolicy=QComboBox.InsertAtTop)
        combo.addItems(self.symbols)
        hbox.layout().addWidget(combo)
        # combo = gui.comboBox(
        #     lbox, self, 'symbol',#, items=self.symbols,
        #     label='Ticker:', orientation='horizontal',
        #     editable=True, maximumContentsLength=-1)
        gui.rubber(combo.parentWidget())
        minDate = QDate.fromString(self.MIN_DATE.strftime(self.PY_DATE_FORMAT),
                                   self.QT_DATE_FORMAT)
        date_from = QDateEdit(
            QDate.fromString(self.date_from, self.QT_DATE_FORMAT),
            displayFormat=self.QT_DATE_FORMAT,
            minimumDate=minDate,
            calendarPopup=True)
        date_to = QDateEdit(
            QDate.fromString(self.date_to, self.QT_DATE_FORMAT),
            displayFormat=self.QT_DATE_FORMAT,
            minimumDate=minDate,
            calendarPopup=True)
        date_from.dateChanged.connect(
            lambda date: setattr(self, 'date_from',
                                 date.toString(self.QT_DATE_FORMAT)))
        date_to.dateChanged.connect(
            lambda date: setattr(self, 'date_to',
                                 date.toString(self.QT_DATE_FORMAT)))
        hbox = gui.hBox(lbox)
        gui.label(hbox, self, "From:")
        hbox.layout().addWidget(date_from)
        hbox = gui.hBox(lbox)
        gui.label(hbox, self, "To:")
        hbox.layout().addWidget(date_to)

        gui.radioButtons(box, self, 'data_granularity',
                         btnLabels=[i.name.capitalize().replace('_', ' ')
                                    for i in DataGranularity],
                         box='Resolution')
        self.button = gui.button(self.controlArea, self, 'Download',
                                 callback=self.download)
Example #28
0
    def _add_controls_start_box(self):
        box = gui.vBox(self.controlArea, True)
        form = QFormLayout(
            labelAlignment=Qt.AlignLeft,
            formAlignment=Qt.AlignLeft,
            fieldGrowthPolicy=QFormLayout.AllNonFixedFieldsGrow,
            verticalSpacing=10,
        )

        self.perplexity_spin = gui.spin(
            box, self, "perplexity", 1, 500, step=1, alignment=Qt.AlignRight,
            callback=self._params_changed
        )
        form.addRow("Perplexity:", self.perplexity_spin)
        self.perplexity_spin.setEnabled(not self.multiscale)
        form.addRow(gui.checkBox(
            box, self, "multiscale", label="Preserve global structure",
            callback=self._multiscale_changed
        ))

        sbe = gui.hBox(self.controlArea, False, addToLayout=False)
        gui.hSlider(
            sbe, self, "exaggeration", minValue=1, maxValue=4, step=1,
            callback=self._params_changed
        )
        form.addRow("Exaggeration:", sbe)

        sbp = gui.hBox(self.controlArea, False, addToLayout=False)
        gui.hSlider(
            sbp, self, "pca_components", minValue=2, maxValue=50, step=1,
            callback=self._invalidate_pca_projection
        )
        form.addRow("PCA components:", sbp)

        self.normalize_cbx = gui.checkBox(
            box, self, "normalize", "Normalize data",
            callback=self._invalidate_pca_projection,
        )
        form.addRow(self.normalize_cbx)

        box.layout().addLayout(form)

        gui.separator(box, 10)
        self.runbutton = gui.button(box, self, "Run", callback=self._toggle_run)
    def _setup_layout(self):
        self.controlArea.setMinimumWidth(self.controlArea.sizeHint().width())
        self.layout().setSizeConstraint(QLayout.SetFixedSize)

        widget_box = widgetBox(self.controlArea, 'Info')
        self.input_data_info = widgetLabel(widget_box, self._NO_DATA_INFO_TEXT)
        self.connection_info = widgetLabel(widget_box, "")

        widget_box = widgetBox(self.controlArea, 'Settings')
        self.cb_image_attr = comboBox(
            widget=widget_box,
            master=self,
            value='cb_image_attr_current_id',
            label='Image attribute:',
            orientation=Qt.Horizontal,
            callback=self._cb_image_attr_changed
        )

        self.cb_embedder = comboBox(
            widget=widget_box,
            master=self,
            value='cb_embedder_current_id',
            label='Embedder:',
            orientation=Qt.Horizontal,
            callback=self._cb_embedder_changed
        )
        names = [EMBEDDERS_INFO[e]['name'] +
                 (" (local)" if EMBEDDERS_INFO[e].get("is_local") else "")
                 for e in self.embedders]
        self.cb_embedder.setModel(VariableListModel(names))
        if not self.cb_embedder_current_id < len(self.embedders):
            self.cb_embedder_current_id = 0
        self.cb_embedder.setCurrentIndex(self.cb_embedder_current_id)

        current_embedder = self.embedders[self.cb_embedder_current_id]
        self.embedder_info = widgetLabel(
            widget_box,
            EMBEDDERS_INFO[current_embedder]['description']
        )

        self.auto_commit_widget = auto_commit(
            widget=self.controlArea,
            master=self,
            value='_auto_apply',
            label='Apply',
            commit=self.commit
        )

        self.cancel_button = QPushButton(
            'Cancel',
            icon=self.style().standardIcon(QStyle.SP_DialogCancelButton),
        )
        self.cancel_button.clicked.connect(self.cancel)
        hbox = hBox(self.controlArea)
        hbox.layout().addWidget(self.cancel_button)
        self.cancel_button.setDisabled(True)
    def __init__(self):
        super().__init__()

        self.data = None
        self.results = None
        self.learners = []

        self.learners_box = gui.listBox(
            self.controlArea, self, "selected_learner", "learners", box=True,
            callback=self._learner_changed
        )

        self.outputbox = gui.vBox(self.controlArea, "Output")
        box = gui.hBox(self.outputbox)
        gui.checkBox(box, self, "append_predictions",
                     "Predictions", callback=self._invalidate)
        gui.checkBox(box, self, "append_probabilities",
                     "Probabilities",
                     callback=self._invalidate)

        gui.auto_commit(self.outputbox, self, "autocommit",
                        "Send Selected", "Send Automatically", box=False)

        self.mainArea.layout().setContentsMargins(0, 0, 0, 0)

        box = gui.vBox(self.mainArea, box=True)

        sbox = gui.hBox(box)
        gui.rubber(sbox)
        gui.comboBox(sbox, self, "selected_quantity",
                     items=self.quantities, label="Show: ",
                     orientation=Qt.Horizontal, callback=self._update)

        self.tableview = ContingencyTable(self)
        box.layout().addWidget(self.tableview)

        selbox = gui.hBox(box)
        gui.button(selbox, self, "Select Correct",
                   callback=self.select_correct, autoDefault=False)
        gui.button(selbox, self, "Select Misclassified",
                   callback=self.select_wrong, autoDefault=False)
        gui.button(selbox, self, "Clear Selection",
                   callback=self.select_none, autoDefault=False)
Example #31
0
    def __init__(self):
        super().__init__()

        self.output_corpus = None
        self.pubmed_api = None
        self.progress = None
        self.email_is_valid = False
        self.record_count = 0
        self.download_running = False

        # To hold all the controls. Makes access easier.
        self.pubmed_controls = []

        h_box = gui.hBox(self.controlArea)
        label = gui.label(h_box, self, 'Email:')
        label.setMaximumSize(label.sizeHint())
        # Drop-down for recent emails.
        self.email_combo = QComboBox(h_box)
        self.email_combo.setMinimumWidth(150)
        self.email_combo.setEditable(True)
        self.email_combo.lineEdit().textChanged.connect(self.sync_email)
        h_box.layout().addWidget(self.email_combo)
        self.email_combo.activated[int].connect(self.select_email)

        # RECORD SEARCH
        self.search_tabs = gui.tabWidget(self.controlArea)
        # --- Regular search ---
        regular_search_box = gui.widgetBox(self.controlArea, addSpace=True)

        # Author
        self.author_input = gui.lineEdit(regular_search_box,
                                         self,
                                         'author',
                                         'Author:',
                                         orientation=Qt.Horizontal)
        self.pubmed_controls.append(self.author_input)

        h_box = gui.hBox(regular_search_box)
        year_box = gui.widgetBox(h_box, orientation=Qt.Horizontal)
        min_date = QDate.fromString(
            self.MIN_DATE.strftime(self.PY_DATE_FORMAT), self.QT_DATE_FORMAT)

        if not self.pub_date_from:
            self.pub_date_from = self.MIN_DATE.strftime(self.PY_DATE_FORMAT)
        if not self.pub_date_to:
            self.pub_date_to = date.today().strftime(self.PY_DATE_FORMAT)

        self.date_from = QDateEdit(QDate.fromString(self.pub_date_from,
                                                    self.QT_DATE_FORMAT),
                                   displayFormat=self.QT_DATE_FORMAT,
                                   minimumDate=min_date,
                                   calendarPopup=True)
        self.date_to = QDateEdit(QDate.fromString(self.pub_date_to,
                                                  self.QT_DATE_FORMAT),
                                 displayFormat=self.QT_DATE_FORMAT,
                                 minimumDate=min_date,
                                 calendarPopup=True)

        self.date_from.dateChanged.connect(lambda date: setattr(
            self, 'pub_date_from', date.toString(self.QT_DATE_FORMAT)))
        self.date_to.dateChanged.connect(lambda date: setattr(
            self, 'pub_date_to', date.toString(self.QT_DATE_FORMAT)))
        self.pubmed_controls.append(self.date_from)
        self.pubmed_controls.append(self.date_to)

        gui.label(year_box, self, 'From:')
        year_box.layout().addWidget(self.date_from)
        gui.label(year_box, self, 'to:')
        year_box.layout().addWidget(self.date_to)

        # Keywords.
        h_box = gui.hBox(regular_search_box)
        label = gui.label(h_box, self, 'Query:')
        label.setMaximumSize(label.sizeHint())
        self.keyword_combo = QComboBox(h_box)
        self.keyword_combo.setMinimumWidth(150)
        self.keyword_combo.setEditable(True)
        h_box.layout().addWidget(self.keyword_combo)
        self.keyword_combo.activated[int].connect(self.select_keywords)
        self.pubmed_controls.append(self.keyword_combo)

        tab_height = regular_search_box.sizeHint()
        regular_search_box.setMaximumSize(tab_height)

        # --- Advanced search ---
        advanced_search_box = gui.widgetBox(self.controlArea, addSpace=True)
        # Advanced search query.
        h_box = gui.hBox(advanced_search_box)
        self.advanced_query_input = QTextEdit(h_box)
        h_box.layout().addWidget(self.advanced_query_input)
        self.advanced_query_input.setMaximumSize(tab_height)
        self.pubmed_controls.append(self.advanced_query_input)

        gui.createTabPage(self.search_tabs, 'Regular search',
                          regular_search_box)
        gui.createTabPage(self.search_tabs, 'Advanced search',
                          advanced_search_box)

        # Search info label.
        self.search_info_label = gui.label(self.controlArea, self,
                                           'Number of records found: /')

        # Search for records button.
        self.run_search_button = gui.button(
            self.controlArea,
            self,
            'Find records',
            callback=self.run_search,
            tooltip='Performs a search for articles that fit the '
            'specified parameters.')
        self.pubmed_controls.append(self.run_search_button)

        h_line = QFrame()
        h_line.setFrameShape(QFrame.HLine)
        h_line.setFrameShadow(QFrame.Sunken)
        self.controlArea.layout().addWidget(h_line)

        # RECORD RETRIEVAL
        # Text includes box.
        text_includes_box = gui.widgetBox(self.controlArea,
                                          'Text includes',
                                          addSpace=True)
        self.authors_checkbox = gui.checkBox(text_includes_box, self,
                                             'includes_authors', 'Authors')
        self.title_checkbox = gui.checkBox(text_includes_box, self,
                                           'includes_title', 'Article title')
        self.mesh_checkbox = gui.checkBox(text_includes_box, self,
                                          'includes_mesh', 'Mesh headings')
        self.abstract_checkbox = gui.checkBox(text_includes_box, self,
                                              'includes_abstract', 'Abstract')
        self.url_checkbox = gui.checkBox(text_includes_box, self,
                                         'includes_url', 'URL')
        self.pubmed_controls.append(self.authors_checkbox)
        self.pubmed_controls.append(self.title_checkbox)
        self.pubmed_controls.append(self.mesh_checkbox)
        self.pubmed_controls.append(self.abstract_checkbox)
        self.pubmed_controls.append(self.url_checkbox)

        # Num. records.
        h_box = gui.hBox(self.controlArea)
        label = gui.label(h_box, self, 'Retrieve')
        label.setMaximumSize(label.sizeHint())
        self.num_records_input = gui.spin(h_box,
                                          self,
                                          'num_records',
                                          minv=1,
                                          maxv=100000)
        self.max_records_label = gui.label(h_box, self, 'records from /.')
        self.max_records_label.setMaximumSize(
            self.max_records_label.sizeHint())
        self.pubmed_controls.append(self.num_records_input)

        # Download articles.
        # Search for records button.
        self.retrieve_records_button = gui.button(
            self.controlArea,
            self,
            'Retrieve records',
            callback=self.retrieve_records,
            tooltip='Retrieves the specified documents.')
        self.pubmed_controls.append(self.retrieve_records_button)

        # Num. retrieved records info label.
        self.retrieval_info_label = gui.label(
            self.controlArea, self, 'Number of records retrieved: /')

        # Load the most recent emails.
        self.set_email_list()

        # Load the most recent queries.
        self.set_keyword_list()

        # Check the email and enable controls accordingly.
        if self.recent_emails:
            email = self.recent_emails[0]
            self.email_is_valid = validate_email(email)

        self.enable_controls()
Example #32
0
    def __init__(self):
        super().__init__()
        self.data = None

        self.distributions = None
        self.contingencies = None
        self.var = self.cvar = None
        varbox = gui.vBox(self.controlArea, "Variable")

        self.varmodel = itemmodels.VariableListModel()
        self.groupvarmodel = []

        self.varview = QtGui.QListView(
            selectionMode=QtGui.QListView.SingleSelection)
        self.varview.setSizePolicy(QtGui.QSizePolicy.Minimum,
                                   QtGui.QSizePolicy.Expanding)
        self.varview.setModel(self.varmodel)
        self.varview.setSelectionModel(
            itemmodels.ListSingleSelectionModel(self.varmodel))
        self.varview.selectionModel().selectionChanged.connect(
            self._on_variable_idx_changed)
        varbox.layout().addWidget(self.varview)

        box = gui.vBox(self.controlArea, "Precision")

        gui.separator(self.controlArea, 4, 4)

        box2 = gui.hBox(box)
        self.l_smoothing_l = gui.widgetLabel(box2, "Smooth")
        gui.hSlider(box2,
                    self,
                    "smoothing_index",
                    minValue=0,
                    maxValue=len(self.smoothing_facs) - 1,
                    callback=self._on_set_smoothing,
                    createLabel=False)
        self.l_smoothing_r = gui.widgetLabel(box2, "Precise")

        self.cb_disc_cont = gui.checkBox(
            gui.indentedBox(box, sep=4),
            self,
            "disc_cont",
            "Bin continuous variables",
            callback=self._on_groupvar_idx_changed,
            tooltip="Show continuous variables as discrete.")

        box = gui.vBox(self.controlArea, "Group by")
        self.icons = gui.attributeIconDict
        self.groupvarview = gui.comboBox(
            box,
            self,
            "groupvar_idx",
            callback=self._on_groupvar_idx_changed,
            valueType=str,
            contentsLength=12)
        box2 = gui.indentedBox(box, sep=4)
        self.cb_rel_freq = gui.checkBox(
            box2,
            self,
            "relative_freq",
            "Show relative frequencies",
            callback=self._on_relative_freq_changed,
            tooltip=
            "Normalize probabilities so that probabilities for each group-by value sum to 1."
        )
        gui.separator(box2)
        self.cb_prob = gui.comboBox(
            box2,
            self,
            "show_prob",
            label="Show probabilities:",
            orientation=Qt.Horizontal,
            callback=self._on_relative_freq_changed,
            tooltip=
            "Show probabilities for a chosen group-by value (at each point probabilities for all group-by values sum to 1)."
        )

        self.plotview = pg.PlotWidget(background=None)
        self.plotview.setRenderHint(QtGui.QPainter.Antialiasing)
        self.mainArea.layout().addWidget(self.plotview)
        w = QtGui.QLabel()
        w.setSizePolicy(QtGui.QSizePolicy.Expanding, QtGui.QSizePolicy.Fixed)
        self.mainArea.layout().addWidget(w, Qt.AlignCenter)
        self.ploti = pg.PlotItem()
        self.plot = self.ploti.vb
        self.ploti.hideButtons()
        self.plotview.setCentralItem(self.ploti)

        self.plot_prob = pg.ViewBox()
        self.ploti.hideAxis('right')
        self.ploti.scene().addItem(self.plot_prob)
        self.ploti.getAxis("right").linkToView(self.plot_prob)
        self.ploti.getAxis("right").setLabel("Probability")
        self.plot_prob.setZValue(10)
        self.plot_prob.setXLink(self.ploti)
        self.update_views()
        self.ploti.vb.sigResized.connect(self.update_views)
        self.plot_prob.setRange(yRange=[0, 1])

        def disable_mouse(plot):
            plot.setMouseEnabled(False, False)
            plot.setMenuEnabled(False)

        disable_mouse(self.plot)
        disable_mouse(self.plot_prob)

        self.tooltip_items = []
        self.plot.scene().installEventFilter(
            HelpEventDelegate(self.help_event, self))

        pen = QtGui.QPen(self.palette().color(QtGui.QPalette.Text))
        for axis in ("left", "bottom"):
            self.ploti.getAxis(axis).setPen(pen)

        self._legend = LegendItem()
        self._legend.setParentItem(self.plot)
        self._legend.hide()
        self._legend.anchor((1, 0), (1, 0))
Example #33
0
    def __init__(self):
        super().__init__()

        box = gui.vBox(self.mainArea, True, margin=0)
        self.graph = OWScatterPlotGraph(self, box)
        box.layout().addWidget(self.graph.plot_widget)

        self.subset_data = None  # Orange.data.Table
        self.subset_indices = None
        self.sql_data = None  # Orange.data.sql.table.SqlTable
        self.attribute_selection_list = None  # list of Orange.data.Variable
        self.__timer = QTimer(self, interval=1200)
        self.__timer.timeout.connect(self.add_data)
        #: Remember the saved state to restore
        self.__pending_selection_restore = self.selection_group
        self.selection_group = None

        common_options = dict(labelWidth=50,
                              orientation=Qt.Horizontal,
                              sendSelectedValue=True,
                              valueType=str,
                              contentsLength=14)
        box = gui.vBox(self.controlArea, True)
        dmod = DomainModel
        self.xy_model = DomainModel(dmod.MIXED, valid_types=dmod.PRIMITIVE)
        self.cb_attr_x = gui.comboBox(box,
                                      self,
                                      "attr_x",
                                      label="Axis x:",
                                      callback=self.attr_changed,
                                      model=self.xy_model,
                                      **common_options)
        self.cb_attr_y = gui.comboBox(box,
                                      self,
                                      "attr_y",
                                      label="Axis y:",
                                      callback=self.attr_changed,
                                      model=self.xy_model,
                                      **common_options)

        vizrank_box = gui.hBox(box)
        #gui.separator(vizrank_box, width=common_options["labelWidth"])
        self.vizrank, self.vizrank_button = ScatterPlotVizRank.add_vizrank(
            vizrank_box, self, "Find Informative Projections", self.set_attr)

        g = self.graph.gui

        self.sampling = gui.auto_commit(self.controlArea,
                                        self,
                                        "auto_sample",
                                        "Sample",
                                        box="Sampling",
                                        callback=self.switch_sampling,
                                        commit=lambda: self.add_data(1))
        self.sampling.setVisible(False)

        g.point_properties_box(self.controlArea)

        box = g.effects_box(self.controlArea)
        g.add_widget(g.JitterNumericValues, box)

        box_plot_prop = g.plot_properties_box(self.controlArea)
        g.add_widgets([g.ShowGridLines, g.ToolTipShowsAll, g.RegressionLine],
                      box_plot_prop)

        self.controlArea.layout().addStretch(100)
        self.graph.box_zoom_select(self.controlArea)
        gui.auto_commit(self.controlArea, self, "auto_send_selection",
                        "Send Selection", "Send Automatically")

        # manually register Matplotlib file writers
        self.graph_writers = self.graph_writers.copy()
        for w in [MatplotlibFormat, MatplotlibPDFFormat]:
            for ext in w.EXTENSIONS:
                self.graph_writers[ext] = w
Example #34
0
    def __init__(self):
        super().__init__()
        RecentPathsWComboMixin.__init__(self)
        self.domain = None
        self.data = None
        self.loaded_file = ""
        self.reader = None

        readers = [
            f for f in FileFormat.formats
            if getattr(f, 'read', None) and getattr(f, "EXTENSIONS", None)
        ]

        def group_readers_per_addon_key(w):
            # readers from Orange.data.io should go first
            def package(w):
                package = w.qualified_name().split(".")[:-1]
                package = package[:2]
                if ".".join(package) == "Orange.data":
                    return ["0"]  # force "Orange" to come first
                return package

            return package(w), w.DESCRIPTION

        self.available_readers = sorted(set(readers),
                                        key=group_readers_per_addon_key)

        layout = QGridLayout()
        layout.setSpacing(4)
        gui.widgetBox(self.controlArea, orientation=layout, box='数据源')
        vbox = gui.radioButtons(None,
                                self,
                                "source",
                                box=True,
                                callback=self.load_data,
                                addToLayout=False)

        rb_button = gui.appendRadioButton(vbox, "文件:", addToLayout=False)
        layout.addWidget(rb_button, 0, 0, Qt.AlignVCenter)

        box = gui.hBox(None, addToLayout=False, margin=0)
        box.setSizePolicy(Policy.Expanding, Policy.Fixed)
        self.file_combo.setSizePolicy(Policy.Expanding, Policy.Fixed)
        self.file_combo.setMinimumSize(QSize(100, 1))
        self.file_combo.activated[int].connect(self.select_file)
        box.layout().addWidget(self.file_combo)
        layout.addWidget(box, 0, 1)

        file_button = gui.button(None,
                                 self,
                                 '...',
                                 callback=self.browse_file,
                                 autoDefault=False)
        file_button.setIcon(self.style().standardIcon(QStyle.SP_DirOpenIcon))
        file_button.setSizePolicy(Policy.Maximum, Policy.Fixed)
        layout.addWidget(file_button, 0, 2)

        reload_button = gui.button(None,
                                   self,
                                   "重新加载",
                                   callback=self.load_data,
                                   autoDefault=False)
        reload_button.setIcon(self.style().standardIcon(
            QStyle.SP_BrowserReload))
        reload_button.setSizePolicy(Policy.Fixed, Policy.Fixed)
        layout.addWidget(reload_button, 0, 3)

        self.sheet_box = gui.hBox(None, addToLayout=False, margin=0)
        self.sheet_combo = QComboBox()
        self.sheet_combo.activated[str].connect(self.select_sheet)
        self.sheet_combo.setSizePolicy(Policy.Expanding, Policy.Fixed)
        self.sheet_combo.setMinimumSize(QSize(50, 1))
        self.sheet_label = QLabel()
        self.sheet_label.setText('Sheet')
        self.sheet_label.setSizePolicy(Policy.MinimumExpanding, Policy.Fixed)
        self.sheet_box.layout().addWidget(self.sheet_label, Qt.AlignLeft)
        self.sheet_box.layout().addWidget(self.sheet_combo, Qt.AlignVCenter)
        layout.addWidget(self.sheet_box, 2, 1)
        self.sheet_box.hide()

        rb_button = gui.appendRadioButton(vbox, "URL:", addToLayout=False)
        layout.addWidget(rb_button, 3, 0, Qt.AlignVCenter)

        self.url_combo = url_combo = QComboBox()
        url_model = NamedURLModel(self.sheet_names)
        url_model.wrap(self.recent_urls)
        url_combo.setLineEdit(LineEditSelectOnFocus())
        url_combo.setModel(url_model)
        url_combo.setSizePolicy(Policy.Ignored, Policy.Fixed)
        url_combo.setEditable(True)
        url_combo.setInsertPolicy(url_combo.InsertAtTop)
        url_edit = url_combo.lineEdit()
        l, t, r, b = url_edit.getTextMargins()
        url_edit.setTextMargins(l + 5, t, r, b)
        layout.addWidget(url_combo, 3, 1, 1, 3)
        url_combo.activated.connect(self._url_set)
        # whit completer we set that combo box is case sensitive when
        # matching the history
        completer = QCompleter()
        completer.setCaseSensitivity(Qt.CaseSensitive)
        url_combo.setCompleter(completer)

        layout = QGridLayout()
        layout.setSpacing(4)
        gui.widgetBox(self.controlArea, orientation=layout, box='文件类型')

        box = gui.hBox(None, addToLayout=False, margin=0)
        box.setSizePolicy(Policy.Expanding, Policy.Fixed)
        self.reader_combo = QComboBox(self)
        self.reader_combo.setSizePolicy(Policy.Expanding, Policy.Fixed)
        self.reader_combo.setMinimumSize(QSize(100, 1))
        self.reader_combo.activated[int].connect(self.select_reader)

        box.layout().addWidget(self.reader_combo)
        layout.addWidget(box, 0, 1)

        box = gui.vBox(self.controlArea, "信息")
        self.infolabel = gui.widgetLabel(box, '未加载数据.')

        box = gui.widgetBox(self.controlArea, "列(双击编辑)")
        self.domain_editor = DomainEditor(self)
        self.editor_model = self.domain_editor.model()
        box.layout().addWidget(self.domain_editor)

        box = gui.hBox(box)
        gui.button(box,
                   self,
                   "重置",
                   callback=self.reset_domain_edit,
                   autoDefault=False)
        gui.rubber(box)
        self.apply_button = gui.button(box,
                                       self,
                                       "应用",
                                       callback=self.apply_domain_edit)
        self.apply_button.setEnabled(False)
        self.apply_button.setFixedWidth(170)
        self.editor_model.dataChanged.connect(
            lambda: self.apply_button.setEnabled(True))

        hBox = gui.hBox(self.controlArea)
        gui.rubber(hBox)
        gui.button(hBox,
                   self,
                   "浏览文档数据集",
                   callback=lambda: self.browse_file(True),
                   autoDefault=False)
        gui.rubber(hBox)

        self.set_file_list()
        # Must not call open_file from within __init__. open_file
        # explicitly re-enters the event loop (by a progress bar)

        self.setAcceptDrops(True)

        if self.source == self.LOCAL_FILE:
            last_path = self.last_path()
            if last_path and os.path.exists(last_path) and \
                    os.path.getsize(last_path) > self.SIZE_LIMIT:
                self.Warning.file_too_big()
                return

        QTimer.singleShot(0, self.load_data)
Example #35
0
    def __init__(self):
        super().__init__()

        for name in self.signal_names:
            setattr(self, name, [])

        self.splitCanvas = QSplitter(Qt.Vertical, self.mainArea)
        self.mainArea.layout().addWidget(self.splitCanvas)

        # Styling

        self.defaultFont = defaultFont = (
            'Menlo' if sys.platform == 'darwin' else 'Courier'
            if sys.platform in ['win32', 'cygwin'] else 'DejaVu Sans Mono')
        self.defaultFontSize = defaultFontSize = 13

        self.editorBox = gui.vBox(self, box="Editor", spacing=4)
        self.splitCanvas.addWidget(self.editorBox)

        darkMode = QApplication.instance().property('darkMode')
        scheme_name = 'Dark' if darkMode else 'Light'
        syntax_highlighting_scheme = SYNTAX_HIGHLIGHTING_STYLES[scheme_name]
        self.pygments_style_class = make_pygments_style(scheme_name)

        eFont = QFont(defaultFont)
        eFont.setPointSize(defaultFontSize)

        # Fake Signature

        self.func_sig = func_sig = FunctionSignature(
            self.editorBox, syntax_highlighting_scheme, eFont)

        # Editor

        editor = PythonEditor(self)
        editor.setFont(eFont)
        editor.setup_completer_appearance((300, 180), eFont)

        # Fake return

        return_stmt = ReturnStatement(self.editorBox,
                                      syntax_highlighting_scheme, eFont)
        self.return_stmt = return_stmt

        # Match indentation

        textEditBox = QWidget(self.editorBox)
        textEditBox.setLayout(QHBoxLayout())
        char_4_width = QFontMetrics(eFont).horizontalAdvance('0000')

        @editor.viewport_margins_updated.connect
        def _(width):
            func_sig.setIndent(width)
            textEditMargin = max(0, round(char_4_width - width))
            return_stmt.setIndent(textEditMargin + width)
            textEditBox.layout().setContentsMargins(textEditMargin, 0, 0, 0)

        self.text = editor
        textEditBox.layout().addWidget(editor)
        self.editorBox.layout().addWidget(func_sig)
        self.editorBox.layout().addWidget(textEditBox)
        self.editorBox.layout().addWidget(return_stmt)

        self.editorBox.setAlignment(Qt.AlignVCenter)
        self.text.setTabStopWidth(4)

        self.text.modificationChanged[bool].connect(self.onModificationChanged)

        # Controls

        self.editor_controls = gui.vBox(self.controlArea, box='Preferences')

        self.vim_box = gui.hBox(self.editor_controls, spacing=20)
        self.vim_indicator = VimIndicator(self.vim_box)

        vim_sp = QSizePolicy(QSizePolicy.Expanding, QSizePolicy.Fixed)
        vim_sp.setRetainSizeWhenHidden(True)
        self.vim_indicator.setSizePolicy(vim_sp)

        def enable_vim_mode():
            editor.vimModeEnabled = self.vimModeEnabled
            self.vim_indicator.setVisible(self.vimModeEnabled)

        enable_vim_mode()

        gui.checkBox(self.vim_box,
                     self,
                     'vimModeEnabled',
                     'Vim mode',
                     tooltip="Only for the coolest.",
                     callback=enable_vim_mode)
        self.vim_box.layout().addWidget(self.vim_indicator)

        @editor.vimModeIndicationChanged.connect
        def _(color, text):
            self.vim_indicator.indicator_color = color
            self.vim_indicator.indicator_text = text
            self.vim_indicator.update()

        # Library

        self.libraryListSource = []
        self._cachedDocuments = {}

        self.libraryList = itemmodels.PyListModel(
            [],
            self,
            flags=Qt.ItemIsSelectable | Qt.ItemIsEnabled | Qt.ItemIsEditable)

        self.libraryList.wrap(self.libraryListSource)

        self.controlBox = gui.vBox(self.controlArea, 'Library')
        self.controlBox.layout().setSpacing(1)

        self.libraryView = QListView(
            editTriggers=QListView.DoubleClicked | QListView.EditKeyPressed,
            sizePolicy=QSizePolicy(QSizePolicy.Ignored, QSizePolicy.Preferred))
        self.libraryView.setItemDelegate(ScriptItemDelegate(self))
        self.libraryView.setModel(self.libraryList)

        self.libraryView.selectionModel().selectionChanged.connect(
            self.onSelectedScriptChanged)
        self.controlBox.layout().addWidget(self.libraryView)

        w = itemmodels.ModelActionsWidget()

        self.addNewScriptAction = action = QAction("+", self)
        action.setToolTip("Add a new script to the library")
        action.triggered.connect(self.onAddScript)
        w.addAction(action)

        action = QAction(unicodedata.lookup("MINUS SIGN"), self)
        action.setToolTip("Remove script from library")
        action.triggered.connect(self.onRemoveScript)
        w.addAction(action)

        action = QAction("Update", self)
        action.setToolTip("Save changes in the editor to library")
        action.setShortcut(QKeySequence(QKeySequence.Save))
        action.triggered.connect(self.commitChangesToLibrary)
        w.addAction(action)

        action = QAction("More", self, toolTip="More actions")

        new_from_file = QAction("Import Script from File", self)
        save_to_file = QAction("Save Selected Script to File", self)
        restore_saved = QAction("Undo Changes to Selected Script", self)
        save_to_file.setShortcut(QKeySequence(QKeySequence.SaveAs))

        new_from_file.triggered.connect(self.onAddScriptFromFile)
        save_to_file.triggered.connect(self.saveScript)
        restore_saved.triggered.connect(self.restoreSaved)

        menu = QMenu(w)
        menu.addAction(new_from_file)
        menu.addAction(save_to_file)
        menu.addAction(restore_saved)
        action.setMenu(menu)
        button = w.addAction(action)
        button.setPopupMode(QToolButton.InstantPopup)

        w.layout().setSpacing(1)

        self.controlBox.layout().addWidget(w)

        self.execute_button = gui.button(self.buttonsArea,
                                         self,
                                         'Run',
                                         callback=self.commit)

        self.run_action = QAction("Run script",
                                  self,
                                  triggered=self.commit,
                                  shortcut=QKeySequence(Qt.ControlModifier
                                                        | Qt.Key_R))
        self.addAction(self.run_action)

        self.saveAction = action = QAction("&Save", self.text)
        action.setToolTip("Save script to file")
        action.setShortcut(QKeySequence(QKeySequence.Save))
        action.setShortcutContext(Qt.WidgetWithChildrenShortcut)
        action.triggered.connect(self.saveScript)

        self.consoleBox = gui.vBox(self.splitCanvas, 'Console')
        self.console = PythonConsole({}, self)
        self.consoleBox.layout().addWidget(self.console)
        self.console.document().setDefaultFont(QFont(defaultFont))
        self.consoleBox.setAlignment(Qt.AlignBottom)
        self.splitCanvas.setSizes([2, 1])
        self.controlArea.layout().addStretch(10)

        self._restoreState()
        self.settingsAboutToBePacked.connect(self._saveState)
Example #36
0
    def __init__(self):
        OWWidget.__init__(self)
        ConcurrentWidgetMixin.__init__(self)

        self.corpus = None

        # Browse file box
        fbox = gui.widgetBox(self.controlArea, "Corpus file", orientation=0)
        self.file_widget = widgets.FileWidget(
            recent_files=self.recent_files,
            icon_size=(16, 16),
            on_open=self.open_file,
            dialog_format=self.dlgFormats,
            dialog_title='Open Orange Document Corpus',
            reload_label='Reload',
            browse_label='Browse',
            allow_empty=False,
            minimal_width=250,
        )
        fbox.layout().addWidget(self.file_widget)

        # dropdown to select title variable
        self.title_model = DomainModel(valid_types=(StringVariable, ),
                                       placeholder="(no title)")
        gui.comboBox(self.controlArea,
                     self,
                     "title_variable",
                     box="Title variable",
                     model=self.title_model,
                     callback=self.update_feature_selection)

        # Used Text Features
        fbox = gui.widgetBox(self.controlArea, orientation=0)
        ubox = gui.widgetBox(fbox, "Used text features", addSpace=False)
        self.used_attrs_model = VariableListModel(enable_dnd=True)
        self.used_attrs_view = VariablesListItemView()
        self.used_attrs_view.setModel(self.used_attrs_model)
        ubox.layout().addWidget(self.used_attrs_view)

        aa = self.used_attrs_model
        aa.dataChanged.connect(self.update_feature_selection)
        aa.rowsInserted.connect(self.update_feature_selection)
        aa.rowsRemoved.connect(self.update_feature_selection)

        # Ignored Text Features
        ibox = gui.widgetBox(fbox, "Ignored text features", addSpace=False)
        self.unused_attrs_model = VariableListModel(enable_dnd=True)
        self.unused_attrs_view = VariablesListItemView()
        self.unused_attrs_view.setModel(self.unused_attrs_model)
        ibox.layout().addWidget(self.unused_attrs_view)

        gui.checkBox(self.controlArea,
                     self,
                     "detect_languages",
                     "Detect language automatically",
                     callback=self.handle_languages)

        # Documentation Data Sets & Report
        box = gui.hBox(self.controlArea)
        self.browse_documentation = gui.button(
            box,
            self,
            "Browse documentation corpora",
            callback=lambda: self.file_widget.browse(get_sample_corpora_dir()),
            autoDefault=False,
        )

        # load first file
        self.file_widget.select(0)
        self.update_output_info()
        self.update_input_info(None)
Example #37
0
    def _init_ui(self):
        namesBox = gui.vBox(self.controlArea, "Names")

        hbox = gui.hBox(namesBox, margin=0, spacing=0)
        gui.lineEdit(hbox, self, "attr1", "Variable X: ",
                     controlWidth=80, orientation=Qt.Horizontal,
                     callback=self._attr_name_changed)
        gui.separator(hbox, 21)
        hbox = gui.hBox(namesBox, margin=0, spacing=0)
        attr2 = gui.lineEdit(hbox, self, "attr2", "Variable Y: ",
                             controlWidth=80, orientation=Qt.Horizontal,
                             callback=self._attr_name_changed)
        gui.separator(hbox)
        gui.checkBox(hbox, self, "hasAttr2", '', disables=attr2,
                     labelWidth=0,
                     callback=self.set_dimensions)
        gui.separator(namesBox)

        gui.widgetLabel(namesBox, "Labels")
        self.classValuesView = listView = gui.ListViewWithSizeHint(
            preferred_size=(-1, 30))
        listView.setModel(self.class_model)
        itemmodels.select_row(listView, 0)
        namesBox.layout().addWidget(listView)

        self.addClassLabel = QAction(
            "+", self,
            toolTip="Add new class label",
            triggered=self.add_new_class_label
        )

        self.removeClassLabel = QAction(
            unicodedata.lookup("MINUS SIGN"), self,
            toolTip="Remove selected class label",
            triggered=self.remove_selected_class_label
        )

        actionsWidget = itemmodels.ModelActionsWidget(
            [self.addClassLabel, self.removeClassLabel], self
        )
        actionsWidget.layout().addStretch(10)
        actionsWidget.layout().setSpacing(1)
        namesBox.layout().addWidget(actionsWidget)

        tBox = gui.vBox(self.controlArea, "Tools", addSpace=True)
        buttonBox = gui.hBox(tBox)
        toolsBox = gui.widgetBox(buttonBox, orientation=QGridLayout())

        self.toolActions = QActionGroup(self)
        self.toolActions.setExclusive(True)
        self.toolButtons = []

        for i, (name, tooltip, tool, icon) in enumerate(self.TOOLS):
            action = QAction(
                name, self,
                toolTip=tooltip,
                checkable=tool.checkable,
                icon=QIcon(icon),
            )
            action.triggered.connect(partial(self.set_current_tool, tool))

            button = QToolButton(
                iconSize=QSize(24, 24),
                toolButtonStyle=Qt.ToolButtonTextUnderIcon,
                sizePolicy=QSizePolicy(QSizePolicy.MinimumExpanding,
                                       QSizePolicy.Fixed)
            )
            button.setDefaultAction(action)
            self.toolButtons.append((button, tool))

            toolsBox.layout().addWidget(button, i / 3, i % 3)
            self.toolActions.addAction(action)

        for column in range(3):
            toolsBox.layout().setColumnMinimumWidth(column, 10)
            toolsBox.layout().setColumnStretch(column, 1)

        undo = self.undo_stack.createUndoAction(self)
        redo = self.undo_stack.createRedoAction(self)

        undo.setShortcut(QKeySequence.Undo)
        redo.setShortcut(QKeySequence.Redo)

        self.addActions([undo, redo])
        self.undo_stack.indexChanged.connect(lambda _: self.invalidate())

        gui.separator(tBox)
        indBox = gui.indentedBox(tBox, sep=8)
        form = QFormLayout(
            formAlignment=Qt.AlignLeft,
            labelAlignment=Qt.AlignLeft,
            fieldGrowthPolicy=QFormLayout.AllNonFixedFieldsGrow
        )
        indBox.layout().addLayout(form)
        slider = gui.hSlider(
            indBox, self, "brushRadius", minValue=1, maxValue=100,
            createLabel=False
        )
        form.addRow("Radius:", slider)

        slider = gui.hSlider(
            indBox, self, "density", None, minValue=1, maxValue=100,
            createLabel=False
        )

        form.addRow("Intensity:", slider)

        slider = gui.hSlider(
            indBox, self, "symbol_size", None, minValue=1, maxValue=100,
            createLabel=False, callback=self.set_symbol_size
        )

        form.addRow("Symbol:", slider)

        self.btResetToInput = gui.button(
            tBox, self, "Reset to Input Data", self.reset_to_input)
        self.btResetToInput.setDisabled(True)

        gui.auto_commit(self.controlArea, self, "autocommit",
                        "Send")

        # main area GUI
        viewbox = PaintViewBox(enableMouse=False)
        self.plotview = pg.PlotWidget(background="w", viewBox=viewbox)
        self.plotview.sizeHint = lambda: QSize(200, 100)  # Minimum size for 1-d painting
        self.plot = self.plotview.getPlotItem()

        axis_color = self.palette().color(QPalette.Text)
        axis_pen = QPen(axis_color)

        tickfont = QFont(self.font())
        tickfont.setPixelSize(max(int(tickfont.pixelSize() * 2 // 3), 11))

        axis = self.plot.getAxis("bottom")
        axis.setLabel(self.attr1)
        axis.setPen(axis_pen)
        axis.setTickFont(tickfont)

        axis = self.plot.getAxis("left")
        axis.setLabel(self.attr2)
        axis.setPen(axis_pen)
        axis.setTickFont(tickfont)
        if not self.hasAttr2:
            self.plot.hideAxis('left')

        self.plot.hideButtons()
        self.plot.setXRange(0, 1, padding=0.01)

        self.mainArea.layout().addWidget(self.plotview)

        # enable brush tool
        self.toolActions.actions()[0].setChecked(True)
        self.set_current_tool(self.TOOLS[0][2])

        self.set_dimensions()
Example #38
0
    def __init__(self):
        super().__init__()

        self.data = None
        self.test_data = None
        self.preprocessor = None
        self.train_data_missing_vals = False
        self.test_data_missing_vals = False
        self.scorers = []
        self.__pending_comparison_criterion = self.comparison_criterion

        #: An Ordered dictionary with current inputs and their testing results.
        self.learners = OrderedDict()  # type: Dict[Any, Input]

        self.__state = State.Waiting
        # Do we need to [re]test any learners, set by _invalidate and
        # cleared by __update
        self.__needupdate = False
        self.__task = None  # type: Optional[TaskState]
        self.__executor = ThreadExecutor()

        sbox = gui.vBox(self.controlArea, "Sampling")
        rbox = gui.radioButtons(sbox,
                                self,
                                "resampling",
                                callback=self._param_changed)

        gui.appendRadioButton(rbox, "Cross validation")
        ibox = gui.indentedBox(rbox)
        gui.comboBox(ibox,
                     self,
                     "n_folds",
                     label="Number of folds: ",
                     items=[str(x) for x in self.NFolds],
                     orientation=Qt.Horizontal,
                     callback=self.kfold_changed)
        gui.checkBox(ibox,
                     self,
                     "cv_stratified",
                     "Stratified",
                     callback=self.kfold_changed)
        gui.appendRadioButton(rbox, "Cross validation by feature")
        ibox = gui.indentedBox(rbox)
        self.feature_model = DomainModel(order=DomainModel.METAS,
                                         valid_types=DiscreteVariable)
        self.features_combo = gui.comboBox(ibox,
                                           self,
                                           "fold_feature",
                                           model=self.feature_model,
                                           orientation=Qt.Horizontal,
                                           callback=self.fold_feature_changed)

        gui.appendRadioButton(rbox, "Random sampling")
        ibox = gui.indentedBox(rbox)
        gui.comboBox(ibox,
                     self,
                     "n_repeats",
                     label="Repeat train/test: ",
                     items=[str(x) for x in self.NRepeats],
                     orientation=Qt.Horizontal,
                     callback=self.shuffle_split_changed)
        gui.comboBox(ibox,
                     self,
                     "sample_size",
                     label="Training set size: ",
                     items=["{} %".format(x) for x in self.SampleSizes],
                     orientation=Qt.Horizontal,
                     callback=self.shuffle_split_changed)
        gui.checkBox(ibox,
                     self,
                     "shuffle_stratified",
                     "Stratified",
                     callback=self.shuffle_split_changed)

        gui.appendRadioButton(rbox, "Leave one out")

        gui.appendRadioButton(rbox, "Test on train data")
        gui.appendRadioButton(rbox, "Test on test data")

        self.cbox = gui.vBox(self.controlArea, "Target Class")
        self.class_selection_combo = gui.comboBox(
            self.cbox,
            self,
            "class_selection",
            items=[],
            sendSelectedValue=True,
            callback=self._on_target_class_changed,
            contentsLength=8)

        self.modcompbox = box = gui.vBox(self.controlArea, "Model Comparison")
        gui.comboBox(box,
                     self,
                     "comparison_criterion",
                     callback=self.update_comparison_table)

        hbox = gui.hBox(box)
        gui.checkBox(hbox,
                     self,
                     "use_rope",
                     "Negligible difference: ",
                     callback=self._on_use_rope_changed)
        gui.lineEdit(hbox,
                     self,
                     "rope",
                     validator=QDoubleValidator(),
                     controlWidth=70,
                     callback=self.update_comparison_table,
                     alignment=Qt.AlignRight)
        self.controls.rope.setEnabled(self.use_rope)

        gui.rubber(self.controlArea)
        self.score_table = ScoreTable(self)
        self.score_table.shownScoresChanged.connect(self.update_stats_model)
        view = self.score_table.view
        view.setSizeAdjustPolicy(view.AdjustToContents)

        box = gui.vBox(self.mainArea, "Evaluation Results")
        box.layout().addWidget(self.score_table.view)

        self.compbox = box = gui.vBox(self.mainArea, box="Model comparison")
        table = self.comparison_table = QTableWidget(
            wordWrap=False,
            editTriggers=QTableWidget.NoEditTriggers,
            selectionMode=QTableWidget.NoSelection)
        table.setSizeAdjustPolicy(table.AdjustToContents)
        header = table.verticalHeader()
        header.setSectionResizeMode(QHeaderView.Fixed)
        header.setSectionsClickable(False)

        header = table.horizontalHeader()
        header.setTextElideMode(Qt.ElideRight)
        header.setDefaultAlignment(Qt.AlignCenter)
        header.setSectionsClickable(False)
        header.setStretchLastSection(False)
        header.setSectionResizeMode(QHeaderView.ResizeToContents)
        avg_width = self.fontMetrics().averageCharWidth()
        header.setMinimumSectionSize(8 * avg_width)
        header.setMaximumSectionSize(15 * avg_width)
        header.setDefaultSectionSize(15 * avg_width)
        box.layout().addWidget(table)
        box.layout().addWidget(
            QLabel(
                "<small>Table shows probabilities that the score for the model in "
                "the row is higher than that of the model in the column. "
                "Small numbers show the probability that the difference is "
                "negligible.</small>",
                wordWrap=True))
Example #39
0
    def add_main_layout(self):
        # top-level control procedure
        top_box = gui.hBox(widget=self.controlArea, box=None, addSpace=2)

        rule_ordering_box = gui.hBox(widget=top_box, box="规则排序")
        rule_ordering_rbs = gui.radioButtons(
            widget=rule_ordering_box, master=self, value="rule_ordering",
            callback=self.settings_changed, btnLabels=("有序的", "无序的"))
        rule_ordering_rbs.layout().setSpacing(7)

        covering_algorithm_box = gui.hBox(
            widget=top_box, box="覆盖算法(Covering algorithm)")
        covering_algorithm_rbs = gui.radioButtons(
            widget=covering_algorithm_box, master=self,
            value="covering_algorithm",
            callback=self.settings_changed,
            btnLabels=("互斥的(Exclusive)", "加权(Weighted)"))
        covering_algorithm_rbs.layout().setSpacing(7)

        insert_gamma_box = gui.vBox(widget=covering_algorithm_box, box=None)
        gui.separator(insert_gamma_box, 0, 14)
        self.gamma_spin = gui.doubleSpin(
            widget=insert_gamma_box, master=self, value="gamma", minv=0.0,
            maxv=1.0, step=0.01, label="γ:", orientation=Qt.Horizontal,
            callback=self.settings_changed, alignment=Qt.AlignRight,
            enabled=self.storage_covers[self.covering_algorithm] == "weighted")

        # bottom-level search procedure (search bias)
        middle_box = gui.vBox(widget=self.controlArea, box="规则搜索")

        gui.comboBox(
            widget=middle_box, master=self, value="evaluation_measure",
            label="评价措施:", orientation=Qt.Horizontal,
            items=("熵值(Entropy)", "拉普拉斯精度(Laplace accuracy)", "WRAcc"),
            callback=self.settings_changed, contentsLength=3)

        gui.spin(
            widget=middle_box, master=self, value="beam_width", minv=1,
            maxv=100, step=1, label="集束宽度(Beam width):", orientation=Qt.Horizontal,
            callback=self.settings_changed, alignment=Qt.AlignRight,
            controlWidth=80)

        # bottom-level search procedure (over-fitting avoidance bias)
        bottom_box = gui.vBox(widget=self.controlArea, box="规则筛选")

        gui.spin(
            widget=bottom_box, master=self, value="min_covered_examples", minv=1,
            maxv=10000, step=1, label="最小规则覆盖范围:",
            orientation=Qt.Horizontal, callback=self.settings_changed,
            alignment=Qt.AlignRight, controlWidth=80)

        gui.spin(
            widget=bottom_box, master=self, value="max_rule_length",
            minv=1, maxv=100, step=1, label="最大规则长度:",
            orientation=Qt.Horizontal, callback=self.settings_changed,
            alignment=Qt.AlignRight, controlWidth=80)

        gui.doubleSpin(
            widget=bottom_box, master=self, value="default_alpha", minv=0.0,
            maxv=1.0, step=0.01, label="统计显著性\n(默认 α):",
            orientation=Qt.Horizontal, callback=self.settings_changed,
            alignment=Qt.AlignRight, controlWidth=80,
            checked="checked_default_alpha")

        gui.doubleSpin(
            widget=bottom_box, master=self, value="parent_alpha", minv=0.0,
            maxv=1.0, step=0.01, label="相对显著性\n(父 α):",
            orientation=Qt.Horizontal, callback=self.settings_changed,
            alignment=Qt.AlignRight, controlWidth=80,
            checked="checked_parent_alpha")
 def __add_annotation_controls(self):
     common_options = {
         'labelWidth': 100,
         'orientation': Qt.Horizontal,
         'sendSelectedValue': True,
         'valueType': str,
         'contentsLength': 14,
     }
     box = gui.vBox(self.controlArea, True)
     ord = (DomainModel.METAS, DomainModel.ATTRIBUTES, DomainModel.CLASSES)
     mod = DomainModel(ord, valid_types=ContinuousVariable)
     gui.comboBox(box,
                  self,
                  "attr_x",
                  label="Axis x:",
                  model=mod,
                  callback=self.__axis_attr_changed,
                  **common_options)
     gui.comboBox(box,
                  self,
                  "attr_y",
                  label="Axis y:",
                  model=mod,
                  callback=self.__axis_attr_changed,
                  **common_options)
     gui.comboBox(
         box,
         self,
         "scoring_method",
         label="Scoring method:",
         items=ScoringMethod.items(),
         orientation=Qt.Horizontal,
         contentsLength=13,
         labelWidth=100,
         callback=self.__scoring_combo_changed,
     )
     gui.comboBox(
         box,
         self,
         "statistical_test",
         label="Statistical test:",
         items=StatisticalTest.items(),
         orientation=Qt.Horizontal,
         labelWidth=100,
         callback=self.__scoring_combo_changed,
     )
     gui.doubleSpin(box,
                    self,
                    "p_threshold",
                    0,
                    1,
                    0.01,
                    label="FDR threshold:",
                    callback=self.__p_threshold_changed)
     hbox = gui.hBox(box)
     gui.checkBox(hbox,
                  self,
                  "use_user_epsilon",
                  "ε for DBSCAN:",
                  callback=self.__epsilon_check_changed)
     self.epsilon_spin = gui.doubleSpin(hbox,
                                        self,
                                        "epsilon",
                                        0,
                                        10,
                                        0.1,
                                        callback=self.__epsilon_changed)
     self.run_button = gui.button(box, self, "Start", self._toggle_run)
Example #41
0
    def set_new_values(self, oper_combo, adding_all, selected_values=None):
        # def remove_children():
        #     for child in box.children()[1:]:
        #         box.layout().removeWidget(child)
        #         child.setParent(None)

        def add_textual(contents):
            le = gui.lineEdit(box,
                              self,
                              None,
                              sizePolicy=QSizePolicy(QSizePolicy.Expanding,
                                                     QSizePolicy.Expanding))
            if contents:
                le.setText(contents)
            le.setAlignment(Qt.AlignRight)
            le.editingFinished.connect(self.conditions_changed)
            return le

        def add_numeric(contents):
            le = add_textual(contents)
            le.setValidator(OWSelectRows.QDoubleValidatorEmpty())
            return le

        def add_datetime(contents):
            le = add_textual(contents)
            le.setValidator(QRegExpValidator(QRegExp(TimeVariable.REGEX)))
            return le

        var = self.data.domain[oper_combo.attr_combo.currentText()]
        box = self.cond_list.cellWidget(oper_combo.row, 2)
        if selected_values is not None:
            lc = list(selected_values) + ["", ""]
            lc = [str(x) for x in lc[:2]]
        else:
            lc = ["", ""]
        if box and vartype(var) == box.var_type:
            lc = self._get_lineedit_contents(box) + lc
        oper = oper_combo.currentIndex()

        if oper_combo.currentText() == "is defined":
            label = QLabel()
            label.var_type = vartype(var)
            self.cond_list.setCellWidget(oper_combo.row, 2, label)
        elif var.is_discrete:
            if oper_combo.currentText() == "is one of":
                if selected_values:
                    lc = [x for x in list(selected_values)]
                button = DropDownToolButton(self, var, lc)
                button.var_type = vartype(var)
                self.cond_list.setCellWidget(oper_combo.row, 2, button)
            else:
                combo = QComboBox()
                combo.addItems([""] + var.values)
                if lc[0]:
                    combo.setCurrentIndex(int(lc[0]))
                else:
                    combo.setCurrentIndex(0)
                combo.var_type = vartype(var)
                self.cond_list.setCellWidget(oper_combo.row, 2, combo)
                combo.currentIndexChanged.connect(self.conditions_changed)
        else:
            box = gui.hBox(self, addToLayout=False)
            box.var_type = vartype(var)
            self.cond_list.setCellWidget(oper_combo.row, 2, box)
            if var.is_continuous:
                validator = add_datetime if isinstance(
                    var, TimeVariable) else add_numeric
                box.controls = [validator(lc[0])]
                if oper > 5:
                    gui.widgetLabel(box, " and ")
                    box.controls.append(validator(lc[1]))
            elif var.is_string:
                box.controls = [add_textual(lc[0])]
                if oper in [6, 7]:
                    gui.widgetLabel(box, " and ")
                    box.controls.append(add_textual(lc[1]))
            else:
                box.controls = []
        if not adding_all:
            self.conditions_changed()
Example #42
0
    def __init__(self):
        super().__init__()

        self.old_purge_classes = True

        self.conditions = []
        self.last_output_conditions = None
        self.data = None
        self.data_desc = self.match_desc = self.nonmatch_desc = None

        box = gui.vBox(self.controlArea, 'Conditions', stretch=100)
        self.cond_list = QTableWidget(box,
                                      showGrid=False,
                                      selectionMode=QTableWidget.NoSelection)
        box.layout().addWidget(self.cond_list)
        self.cond_list.setColumnCount(4)
        self.cond_list.setRowCount(0)
        self.cond_list.verticalHeader().hide()
        self.cond_list.horizontalHeader().hide()
        for i in range(3):
            self.cond_list.horizontalHeader().setSectionResizeMode(
                i, QHeaderView.Stretch)
        self.cond_list.horizontalHeader().resizeSection(3, 30)
        self.cond_list.viewport().setBackgroundRole(QPalette.Window)

        box2 = gui.hBox(box)
        gui.rubber(box2)
        self.add_button = gui.button(box2,
                                     self,
                                     "Add Condition",
                                     callback=self.add_row)
        self.add_all_button = gui.button(box2,
                                         self,
                                         "Add All Variables",
                                         callback=self.add_all)
        self.remove_all_button = gui.button(box2,
                                            self,
                                            "Remove All",
                                            callback=self.remove_all)
        gui.rubber(box2)

        boxes = gui.widgetBox(self.controlArea, orientation=QGridLayout())
        layout = boxes.layout()
        layout.setColumnStretch(0, 1)
        layout.setColumnStretch(1, 1)

        box_data = gui.vBox(boxes, 'Data', addToLayout=False)
        self.data_in_variables = gui.widgetLabel(box_data, " ")
        self.data_out_rows = gui.widgetLabel(box_data, " ")
        layout.addWidget(box_data, 0, 0)

        box_setting = gui.vBox(boxes, 'Purging', addToLayout=False)
        self.cb_pa = gui.checkBox(box_setting,
                                  self,
                                  "purge_attributes",
                                  "Remove unused features",
                                  callback=self.conditions_changed)
        gui.separator(box_setting, height=1)
        self.cb_pc = gui.checkBox(box_setting,
                                  self,
                                  "purge_classes",
                                  "Remove unused classes",
                                  callback=self.conditions_changed)
        layout.addWidget(box_setting, 0, 1)

        self.report_button.setFixedWidth(120)
        gui.rubber(self.buttonsArea.layout())
        layout.addWidget(self.buttonsArea, 1, 0)

        acbox = gui.auto_commit(None,
                                self,
                                "auto_commit",
                                label="Send",
                                orientation=Qt.Horizontal,
                                checkbox_label="Send automatically")
        layout.addWidget(acbox, 1, 1)

        self.set_data(None)
        self.resize(600, 400)
Example #43
0
    def __init__(self):
        super().__init__()
        self.stats = []
        self.dataset = None
        self.posthoc_lines = []

        self.label_txts = self.mean_labels = self.boxes = self.labels = \
            self.label_txts_all = self.attr_labels = self.order = []
        self.scale_x = self.scene_min_x = self.scene_width = 0
        self.label_width = 0

        self.attrs = VariableListModel()
        view = gui.listView(self.controlArea,
                            self,
                            "attribute",
                            box="Variable",
                            model=self.attrs,
                            callback=self.attr_changed)
        view.setMinimumSize(QSize(30, 30))
        # Any other policy than Ignored will let the QListBox's scrollbar
        # set the minimal height (see the penultimate paragraph of
        # http://doc.qt.io/qt-4.8/qabstractscrollarea.html#addScrollBarWidget)
        view.setSizePolicy(QSizePolicy.Expanding, QSizePolicy.Ignored)
        gui.separator(view.box, 6, 6)
        self.cb_order = gui.checkBox(
            view.box,
            self,
            "order_by_importance",
            "Order by relevance",
            tooltip="Order by 𝜒² or ANOVA over the subgroups",
            callback=self.apply_sorting)
        self.group_vars = DomainModel(placeholder="None",
                                      separators=False,
                                      valid_types=Orange.data.DiscreteVariable)
        self.group_view = view = gui.listView(self.controlArea,
                                              self,
                                              "group_var",
                                              box="Subgroups",
                                              model=self.group_vars,
                                              callback=self.grouping_changed)
        view.setEnabled(False)
        view.setMinimumSize(QSize(30, 30))
        # See the comment above
        view.setSizePolicy(QSizePolicy.Expanding, QSizePolicy.Ignored)

        # TODO: move Compare median/mean to grouping box
        # The vertical size policy is needed to let only the list views expand
        self.display_box = gui.vBox(self.controlArea,
                                    "Display",
                                    sizePolicy=(QSizePolicy.Minimum,
                                                QSizePolicy.Maximum),
                                    addSpace=False)

        gui.checkBox(self.display_box,
                     self,
                     "show_annotations",
                     "Annotate",
                     callback=self.display_changed)
        self.compare_rb = gui.radioButtonsInBox(
            self.display_box,
            self,
            'compare',
            btnLabels=["No comparison", "Compare medians", "Compare means"],
            callback=self.layout_changed)

        # The vertical size policy is needed to let only the list views expand
        self.stretching_box = box = gui.vBox(self.controlArea,
                                             box="Display",
                                             sizePolicy=(QSizePolicy.Minimum,
                                                         QSizePolicy.Fixed))
        self.stretching_box.sizeHint = self.display_box.sizeHint
        gui.checkBox(box,
                     self,
                     'stretched',
                     "Stretch bars",
                     callback=self.display_changed)
        gui.checkBox(box,
                     self,
                     'show_labels',
                     "Show box labels",
                     callback=self.display_changed)
        self.sort_cb = gui.checkBox(box,
                                    self,
                                    'sort_freqs',
                                    "Sort by subgroup frequencies",
                                    callback=self.display_changed)
        gui.rubber(box)

        gui.auto_commit(self.controlArea, self, "auto_commit",
                        "Send Selection", "Send Automatically")

        gui.vBox(self.mainArea, addSpace=True)
        self.box_scene = QGraphicsScene()
        self.box_scene.selectionChanged.connect(self.commit)
        self.box_view = QGraphicsView(self.box_scene)
        self.box_view.setRenderHints(QPainter.Antialiasing
                                     | QPainter.TextAntialiasing
                                     | QPainter.SmoothPixmapTransform)
        self.box_view.viewport().installEventFilter(self)

        self.mainArea.layout().addWidget(self.box_view)

        e = gui.hBox(self.mainArea, addSpace=False)
        self.infot1 = gui.widgetLabel(e, "<center>No test results.</center>")
        self.mainArea.setMinimumWidth(600)

        self.stats = self.dist = self.conts = []
        self.is_continuous = False

        self.update_display_box()
Example #44
0
    def add_main_layout(self):
        # top-level control procedure
        top_box = gui.hBox(widget=self.controlArea, box=None)

        rule_ordering_box = gui.hBox(widget=top_box, box="Rule ordering")
        rule_ordering_rbs = gui.radioButtons(widget=rule_ordering_box,
                                             master=self,
                                             value="rule_ordering",
                                             callback=self.settings_changed,
                                             btnLabels=("Ordered",
                                                        "Unordered"))
        rule_ordering_rbs.layout().setSpacing(7)

        covering_algorithm_box = gui.hBox(widget=top_box,
                                          box="Covering algorithm")
        covering_algorithm_rbs = gui.radioButtons(
            widget=covering_algorithm_box,
            master=self,
            value="covering_algorithm",
            callback=self.settings_changed,
            btnLabels=("Exclusive", "Weighted"))
        covering_algorithm_rbs.layout().setSpacing(7)

        insert_gamma_box = gui.vBox(widget=covering_algorithm_box, box=None)
        gui.separator(insert_gamma_box, 0, 14)
        self.gamma_spin = gui.doubleSpin(
            widget=insert_gamma_box,
            master=self,
            value="gamma",
            minv=0.0,
            maxv=1.0,
            step=0.01,
            label="γ:",
            orientation=Qt.Horizontal,
            callback=self.settings_changed,
            alignment=Qt.AlignRight,
            enabled=self.storage_covers[self.covering_algorithm] == "weighted")

        # bottom-level search procedure (search bias)
        middle_box = gui.vBox(widget=self.controlArea, box="Rule search")

        gui.comboBox(widget=middle_box,
                     master=self,
                     value="evaluation_measure",
                     label="Evaluation measure:",
                     orientation=Qt.Horizontal,
                     items=("Entropy", "Laplace accuracy", "WRAcc"),
                     callback=self.settings_changed,
                     contentsLength=3)

        gui.spin(widget=middle_box,
                 master=self,
                 value="beam_width",
                 minv=1,
                 maxv=100,
                 step=1,
                 label="Beam width:",
                 orientation=Qt.Horizontal,
                 callback=self.settings_changed,
                 alignment=Qt.AlignRight,
                 controlWidth=80)

        # bottom-level search procedure (over-fitting avoidance bias)
        bottom_box = gui.vBox(widget=self.controlArea, box="Rule filtering")

        gui.spin(widget=bottom_box,
                 master=self,
                 value="min_covered_examples",
                 minv=1,
                 maxv=10000,
                 step=1,
                 label="Minimum rule coverage:",
                 orientation=Qt.Horizontal,
                 callback=self.settings_changed,
                 alignment=Qt.AlignRight,
                 controlWidth=80)

        gui.spin(widget=bottom_box,
                 master=self,
                 value="max_rule_length",
                 minv=1,
                 maxv=100,
                 step=1,
                 label="Maximum rule length:",
                 orientation=Qt.Horizontal,
                 callback=self.settings_changed,
                 alignment=Qt.AlignRight,
                 controlWidth=80)

        gui.doubleSpin(widget=bottom_box,
                       master=self,
                       value="default_alpha",
                       minv=0.0,
                       maxv=1.0,
                       step=0.01,
                       label="Statistical significance (default α):",
                       orientation=Qt.Horizontal,
                       callback=self.settings_changed,
                       alignment=Qt.AlignRight,
                       controlWidth=80,
                       checked="checked_default_alpha")

        gui.doubleSpin(widget=bottom_box,
                       master=self,
                       value="parent_alpha",
                       minv=0.0,
                       maxv=1.0,
                       step=0.01,
                       label="Relative significance (parent α):",
                       orientation=Qt.Horizontal,
                       callback=self.settings_changed,
                       alignment=Qt.AlignRight,
                       controlWidth=80,
                       checked="checked_parent_alpha")
Example #45
0
    def __init__(self):
        super().__init__()
        self.data = None
        self.editors = {}

        box = gui.vBox(self.controlArea, "变量定义")

        toplayout = QHBoxLayout()
        toplayout.setContentsMargins(0, 0, 0, 0)
        box.layout().addLayout(toplayout)

        self.editorstack = QStackedWidget(
            sizePolicy=QSizePolicy(QSizePolicy.MinimumExpanding,
                                   QSizePolicy.MinimumExpanding)
        )

        for descclass, editorclass in self.EDITORS:
            editor = editorclass()
            editor.featureChanged.connect(self._on_modified)
            self.editors[descclass] = editor
            self.editorstack.addWidget(editor)

        self.editorstack.setEnabled(False)

        buttonlayout = QVBoxLayout(spacing=10)
        buttonlayout.setContentsMargins(0, 0, 0, 0)

        self.addbutton = QPushButton(
            "新建", toolTip="新建变量",
            minimumWidth=120,
            shortcut=QKeySequence.New
        )

        def unique_name(fmt, reserved):
            candidates = (fmt.format(i) for i in count(1))
            return next(c for c in candidates if c not in reserved)

        def reserved_names():
            varnames = []
            if self.data is not None:
                varnames = [var.name for var in
                            self.data.domain.variables + self.data.domain.metas]
            varnames += [desc.name for desc in self.featuremodel]
            return set(varnames)

        def generate_newname(fmt):
            return unique_name(fmt, reserved_names())

        menu = QMenu(self.addbutton)
        cont = menu.addAction("数字")
        cont.triggered.connect(
            lambda: self.addFeature(
                ContinuousDescriptor(generate_newname("X{}"), "", 3))
        )
        disc = menu.addAction("分类")
        disc.triggered.connect(
            lambda: self.addFeature(
                DiscreteDescriptor(generate_newname("D{}"), "",
                                   ("A", "B"), -1, False))
        )
        string = menu.addAction("文本")
        string.triggered.connect(
            lambda: self.addFeature(
                StringDescriptor(generate_newname("S{}"), ""))
        )
        menu.addSeparator()
        self.duplicateaction = menu.addAction("复制选中变量")
        self.duplicateaction.triggered.connect(self.duplicateFeature)
        self.duplicateaction.setEnabled(False)
        self.addbutton.setMenu(menu)

        self.removebutton = QPushButton(
            "删除", toolTip="删除选中变量",
            minimumWidth=120,
            shortcut=QKeySequence.Delete
        )
        self.removebutton.clicked.connect(self.removeSelectedFeature)

        buttonlayout.addWidget(self.addbutton)
        buttonlayout.addWidget(self.removebutton)
        buttonlayout.addStretch(10)

        toplayout.addLayout(buttonlayout, 0)
        toplayout.addWidget(self.editorstack, 10)

        # Layout for the list view
        layout = QVBoxLayout(spacing=1, margin=0)
        self.featuremodel = DescriptorModel(parent=self)

        self.featureview = QListView(
            minimumWidth=200,
            sizePolicy=QSizePolicy(QSizePolicy.Minimum,
                                   QSizePolicy.MinimumExpanding)
        )

        self.featureview.setItemDelegate(FeatureItemDelegate(self))
        self.featureview.setModel(self.featuremodel)
        self.featureview.selectionModel().selectionChanged.connect(
            self._on_selectedVariableChanged
        )

        layout.addWidget(self.featureview)

        box.layout().addLayout(layout, 1)

        box = gui.hBox(self.controlArea)
        gui.rubber(box)
        commit = gui.button(box, self, "发送", callback=self.apply,
                            default=True)
        commit.setMinimumWidth(180)
Example #46
0
    def __init__(self):
        super().__init__()
        self.instances = None
        self.domain = None
        self.data = None
        self.classifier = None
        self.align = OWNomogram.ALIGN_ZERO
        self.log_odds_ratios = []
        self.log_reg_coeffs = []
        self.log_reg_coeffs_orig = []
        self.log_reg_cont_data_extremes = []
        self.p = None
        self.b0 = None
        self.points = []
        self.feature_items = {}
        self.feature_marker_values = []
        self.scale_marker_values = lambda x: x
        self.nomogram_main = None
        self.vertical_line = None
        self.hidden_vertical_line = None
        self.old_target_class_index = self.target_class_index
        self.repaint = False

        # GUI
        box = gui.vBox(self.controlArea, "Target class")
        self.class_combo = gui.comboBox(
            box,
            self,
            "target_class_index",
            callback=self._class_combo_changed,
            contentsLength=12,
        )
        self.norm_check = gui.checkBox(
            box,
            self,
            "normalize_probabilities",
            "Normalize probabilities",
            hidden=True,
            callback=self.update_scene,
            tooltip="For multiclass data 1 vs. all probabilities do not"
            " sum to 1 and therefore could be normalized.",
        )

        self.scale_radio = gui.radioButtons(
            self.controlArea,
            self,
            "scale",
            ["Point scale", "Log odds ratios"],
            box="Scale",
            callback=self.update_scene,
        )

        box = gui.vBox(self.controlArea, "Display features")
        grid = QGridLayout()
        radio_group = gui.radioButtonsInBox(box,
                                            self,
                                            "display_index", [],
                                            orientation=grid,
                                            callback=self.update_scene)
        radio_all = gui.appendRadioButton(radio_group,
                                          "All",
                                          addToLayout=False)
        radio_best = gui.appendRadioButton(radio_group,
                                           "Best ranked:",
                                           addToLayout=False)
        spin_box = gui.hBox(None, margin=0)
        self.n_spin = gui.spin(
            spin_box,
            self,
            "n_attributes",
            1,
            self.MAX_N_ATTRS,
            label=" ",
            controlWidth=60,
            callback=self._n_spin_changed,
        )
        grid.addWidget(radio_all, 1, 1)
        grid.addWidget(radio_best, 2, 1)
        grid.addWidget(spin_box, 2, 2)

        self.sort_combo = gui.comboBox(
            box,
            self,
            "sort_index",
            label="Rank by:",
            items=SortBy.items(),
            orientation=Qt.Horizontal,
            callback=self.update_scene,
        )

        self.cont_feature_dim_combo = gui.comboBox(
            box,
            self,
            "cont_feature_dim_index",
            label="Numeric features: ",
            items=["1D projection", "2D curve"],
            orientation=Qt.Horizontal,
            callback=self.update_scene,
        )

        gui.rubber(self.controlArea)

        class _GraphicsView(QGraphicsView):
            def __init__(self, scene, parent, **kwargs):
                for k, v in dict(
                        verticalScrollBarPolicy=Qt.ScrollBarAlwaysOff,
                        horizontalScrollBarPolicy=Qt.ScrollBarAlwaysOff,
                        viewportUpdateMode=QGraphicsView.
                        BoundingRectViewportUpdate,
                        renderHints=(QPainter.Antialiasing
                                     | QPainter.TextAntialiasing
                                     | QPainter.SmoothPixmapTransform),
                        alignment=(Qt.AlignTop | Qt.AlignLeft),
                        sizePolicy=QSizePolicy(QSizePolicy.MinimumExpanding,
                                               QSizePolicy.MinimumExpanding),
                ).items():
                    kwargs.setdefault(k, v)

                super().__init__(scene, parent, **kwargs)

        class GraphicsView(_GraphicsView):
            def __init__(self, scene, parent):
                super().__init__(
                    scene,
                    parent,
                    verticalScrollBarPolicy=Qt.ScrollBarAlwaysOn,
                    styleSheet="QGraphicsView {background: white}",
                )
                self.viewport().setMinimumWidth(
                    300)  # XXX: This prevents some tests failing
                self._is_resizing = False

            w = self

            def resizeEvent(self, resizeEvent):
                # Recompute main scene on window width change
                if resizeEvent.size().width() != resizeEvent.oldSize().width():
                    self._is_resizing = True
                    self.w.update_scene()
                    self._is_resizing = False
                return super().resizeEvent(resizeEvent)

            def is_resizing(self):
                return self._is_resizing

            def sizeHint(self):
                return QSize(400, 200)

        class FixedSizeGraphicsView(_GraphicsView):
            def __init__(self, scene, parent):
                super().__init__(
                    scene,
                    parent,
                    sizePolicy=QSizePolicy(QSizePolicy.MinimumExpanding,
                                           QSizePolicy.Minimum),
                )

            def sizeHint(self):
                return QSize(400, 85)

        scene = self.scene = QGraphicsScene(self)

        top_view = self.top_view = FixedSizeGraphicsView(scene, self)
        mid_view = self.view = GraphicsView(scene, self)
        bottom_view = self.bottom_view = FixedSizeGraphicsView(scene, self)

        for view in (top_view, mid_view, bottom_view):
            self.mainArea.layout().addWidget(view)
Example #47
0
    def _add_controls_start_box(self):
        box = gui.vBox(self.controlArea, box="Optimize")
        form = QFormLayout(
            labelAlignment=Qt.AlignLeft,
            formAlignment=Qt.AlignLeft,
            fieldGrowthPolicy=QFormLayout.AllNonFixedFieldsGrow,
        )

        self.perplexity_spin = gui.spin(box,
                                        self,
                                        "perplexity",
                                        1,
                                        500,
                                        step=1,
                                        alignment=Qt.AlignRight,
                                        callback=self._invalidate_affinities,
                                        addToLayout=False)
        self.controls.perplexity.setDisabled(self.multiscale)
        form.addRow("Perplexity:", self.perplexity_spin)
        form.addRow(
            gui.checkBox(box,
                         self,
                         "multiscale",
                         label="Preserve global structure",
                         callback=self._multiscale_changed,
                         addToLayout=False))

        sbe = gui.hBox(self.controlArea, False, addToLayout=False)
        gui.hSlider(
            sbe,
            self,
            "exaggeration",
            minValue=1,
            maxValue=4,
            step=1,
            callback=self._invalidate_tsne_embedding,
        )
        form.addRow("Exaggeration:", sbe)

        sbp = gui.hBox(self.controlArea, False, addToLayout=False)
        gui.hSlider(
            sbp,
            self,
            "pca_components",
            minValue=2,
            maxValue=_MAX_PCA_COMPONENTS,
            step=1,
            callback=self._invalidate_pca_projection,
        )
        form.addRow("PCA components:", sbp)

        self.normalize_cbx = gui.checkBox(
            box,
            self,
            "normalize",
            "Normalize data",
            callback=self._invalidate_pca_projection,
            addToLayout=False)
        form.addRow(self.normalize_cbx)

        box.layout().addLayout(form)

        self.run_button = gui.button(box,
                                     self,
                                     "Start",
                                     callback=self._toggle_run)
    def __init__(self):
        super().__init__()

        self.csv_filename = ''
        self.folder_path = ''

        self.edtCSVFile = gui.lineEdit(None, self, "csv_filename")
        self.btnSelectFile = gui.button(None,
                                        self,
                                        "☰",
                                        callback=self._OnChooseCSV,
                                        autoDefault=False)
        self.edtFolder = gui.lineEdit(None, self, "choosePath")
        self.btnSelFolder = gui.button(None,
                                       self,
                                       "☰",
                                       callback=self._OnChooseFolder,
                                       autoDefault=False)
        self.cboFileList = QComboBox(
            self, sizeAdjustPolicy=QComboBox.AdjustToContents)
        self.cboFileList.activated[int].connect(self.load_data)

        #info_box = gui.widgetBox(self.controlArea, "Info")

        vlayoutBase = QtWidgets.QVBoxLayout()
        vlayoutBase.setSizeConstraint(QtWidgets.QLayout.SetDefaultConstraint)
        vlayoutBase.setContentsMargins(0, 0, 0, 0)
        vlayoutBase.setSpacing(0)

        radioGroup = gui.radioButtons(None,
                                      self,
                                      "source",
                                      box=True,
                                      addSpace=False,
                                      callback=self.OnFileTypeChanged,
                                      addToLayout=False)

        # Folder section
        hbox_folderbutton = gui.hBox(None, addToLayout=False, margin=0)
        folderButton = gui.appendRadioButton(radioGroup,
                                             "Folder:",
                                             addToLayout=False)
        folderButton.setFixedSize(QtCore.QSize(85, 25))
        hbox_folderbutton.layout().addWidget(folderButton)
        hbox_folder = gui.hBox(None, addToLayout=False, margin=0)
        hbox_folder.layout().setSpacing(0)

        hbox_folderEditor = gui.hBox(None, addToLayout=False, margin=0)
        hbox_folderEditor.layout().addWidget(self.edtFolder)
        hbox_folderEditor.layout().addWidget(self.btnSelFolder)

        vbox_folderRight = gui.vBox(None, addToLayout=False, margin=0)
        vbox_folderRight.layout().setSpacing(0)
        vbox_folderRight.layout().addWidget(hbox_folderEditor)
        vbox_folderRight.layout().addWidget(self.cboFileList)

        hbox_folder.layout().addWidget(hbox_folderbutton)
        hbox_folder.layout().addWidget(vbox_folderRight)

        # File section
        hbox_filebutton = gui.hBox(None, addToLayout=False, margin=0)
        fileButton = gui.appendRadioButton(radioGroup,
                                           "File:",
                                           addToLayout=False)
        fileButton.setFixedSize(QtCore.QSize(85, 25))
        hbox_filebutton.layout().addWidget(fileButton)

        hbox_file = gui.hBox(None, addToLayout=False, margin=0)
        hbox_file.layout().setSpacing(0)

        fileArea = gui.hBox(None, addToLayout=False, margin=0)
        fileArea.layout().addWidget(self.edtCSVFile)
        fileArea.layout().addWidget(self.btnSelectFile)

        hbox_file.layout().addWidget(hbox_filebutton)
        hbox_file.layout().addWidget(fileArea)

        vlayoutBase.addWidget(hbox_folder)
        vlayoutBase.addWidget(hbox_file)
        #vlayoutBase.addWidget(info_box)

        self.controlArea.layout().addLayout(vlayoutBase)

        # set window size
        self.controlArea.setMinimumSize(500, 110)

        if not self.source:
            self.source = self.FROM_FOLDER
            self.OnFileTypeChanged()
Example #49
0
    def __init__(self):
        super().__init__()
        #: widget's runtime state
        self.__state = State.NoState
        self.corpus = None
        self.n_text_categories = 0
        self.n_text_data = 0
        self.n_skipped = 0

        self.__invalidated = False
        self.__pendingTask = None

        vbox = gui.vBox(self.controlArea)
        hbox = gui.hBox(vbox)
        self.recent_cb = QComboBox(
            sizeAdjustPolicy=QComboBox.AdjustToMinimumContentsLengthWithIcon,
            minimumContentsLength=16,
            acceptDrops=True)
        self.recent_cb.installEventFilter(self)
        self.recent_cb.activated[int].connect(self.__onRecentActivated)

        browseaction = QAction(
            "Open/Load Documents",
            self,
            iconText="\N{HORIZONTAL ELLIPSIS}",
            icon=self.style().standardIcon(QStyle.SP_DirOpenIcon),
            toolTip="Select a folder from which to load the documents")
        browseaction.triggered.connect(self.__runOpenDialog)
        reloadaction = QAction("Reload",
                               self,
                               icon=self.style().standardIcon(
                                   QStyle.SP_BrowserReload),
                               toolTip="Reload current document set")
        reloadaction.triggered.connect(self.reload)
        self.__actions = namespace(
            browse=browseaction,
            reload=reloadaction,
        )

        browsebutton = QPushButton(browseaction.iconText(),
                                   icon=browseaction.icon(),
                                   toolTip=browseaction.toolTip(),
                                   clicked=browseaction.trigger)
        reloadbutton = QPushButton(
            reloadaction.iconText(),
            icon=reloadaction.icon(),
            clicked=reloadaction.trigger,
            default=True,
        )

        hbox.layout().addWidget(self.recent_cb)
        hbox.layout().addWidget(browsebutton)
        hbox.layout().addWidget(reloadbutton)

        self.addActions([browseaction, reloadaction])

        reloadaction.changed.connect(
            lambda: reloadbutton.setEnabled(reloadaction.isEnabled()))
        box = gui.vBox(vbox, "Info")
        self.infostack = QStackedWidget()

        self.info_area = QLabel(text="No document set selected", wordWrap=True)
        self.progress_widget = QProgressBar(minimum=0, maximum=100)
        self.cancel_button = QPushButton(
            "Cancel",
            icon=self.style().standardIcon(QStyle.SP_DialogCancelButton),
        )
        self.cancel_button.clicked.connect(self.cancel)

        w = QWidget()
        vlayout = QVBoxLayout()
        vlayout.setContentsMargins(0, 0, 0, 0)
        hlayout = QHBoxLayout()
        hlayout.setContentsMargins(0, 0, 0, 0)

        hlayout.addWidget(self.progress_widget)
        hlayout.addWidget(self.cancel_button)
        vlayout.addLayout(hlayout)

        self.pathlabel = TextLabel()
        self.pathlabel.setTextElideMode(Qt.ElideMiddle)
        self.pathlabel.setAttribute(Qt.WA_MacSmallSize)

        vlayout.addWidget(self.pathlabel)
        w.setLayout(vlayout)

        self.infostack.addWidget(self.info_area)
        self.infostack.addWidget(w)

        box.layout().addWidget(self.infostack)

        self.__initRecentItemsModel()
        self.__invalidated = True
        self.__executor = ThreadExecutor(self)

        QApplication.postEvent(self, QEvent(RuntimeEvent.Init))
Example #50
0
    def __init__(self):
        super().__init__()

        self.data = None
        self.extra_data = None
        self.extra_data = None

        self.model = itemmodels.VariableListModel()
        self.model_unique_with_id = itemmodels.VariableListModel()
        self.extra_model_unique = itemmodels.VariableListModel()
        self.extra_model_unique_with_id = itemmodels.VariableListModel()

        box = gui.hBox(self.controlArea, box=None)
        self.infoBoxData = gui.label(box,
                                     self,
                                     self.dataInfoText(None),
                                     box="Data")
        self.infoBoxExtraData = gui.label(box,
                                          self,
                                          self.dataInfoText(None),
                                          box="Extra Data")

        grp = gui.radioButtonsInBox(self.controlArea,
                                    self,
                                    "merging",
                                    box="Merging",
                                    callback=self.change_merging)
        self.attr_boxes = []

        radio_width = \
            QApplication.style().pixelMetric(QStyle.PM_ExclusiveIndicatorWidth)

        def add_option(label, pre_label, between_label, merge_type, model,
                       extra_model):
            gui.appendRadioButton(grp, label)
            vbox = gui.vBox(grp)
            box = gui.hBox(vbox)
            box.layout().addSpacing(radio_width)
            self.attr_boxes.append(box)
            gui.widgetLabel(box, pre_label)
            model[:] = [getattr(self, 'attr_{}_data'.format(merge_type))]
            extra_model[:] = [
                getattr(self, 'attr_{}_extra'.format(merge_type))
            ]
            cb = gui.comboBox(box,
                              self,
                              'attr_{}_data'.format(merge_type),
                              contentsLength=12,
                              callback=self._invalidate,
                              model=model)
            cb.setSizePolicy(QSizePolicy.MinimumExpanding, QSizePolicy.Fixed)
            cb.setFixedWidth(190)
            gui.widgetLabel(box, between_label)
            cb = gui.comboBox(box,
                              self,
                              'attr_{}_extra'.format(merge_type),
                              contentsLength=12,
                              callback=self._invalidate,
                              model=extra_model)
            cb.setSizePolicy(QSizePolicy.MinimumExpanding, QSizePolicy.Fixed)
            cb.setFixedWidth(190)
            vbox.layout().addSpacing(6)

        add_option("Append columns from Extra Data", "by matching", "with",
                   "augment", self.model, self.extra_model_unique)
        add_option("Find matching rows", "where", "equals", "merge",
                   self.model_unique_with_id, self.extra_model_unique_with_id)
        add_option("Concatenate tables, merge rows", "where", "equals",
                   "combine", self.model_unique_with_id,
                   self.extra_model_unique_with_id)
        self.set_merging()

        gui.auto_commit(self.controlArea,
                        self,
                        "auto_apply",
                        "&Apply",
                        box=False)
Example #51
0
    def __init__(self):
        super().__init__()
        RecentPathsWComboMixin.__init__(self)
        self.domain = None
        self.data = None
        self.loaded_file = ""

        layout = QtGui.QGridLayout()
        gui.widgetBox(self.controlArea, margin=0, orientation=layout)
        vbox = gui.radioButtons(None,
                                self,
                                "source",
                                box=True,
                                addSpace=True,
                                callback=self.load_data,
                                addToLayout=False)

        rb_button = gui.appendRadioButton(vbox, "File:", addToLayout=False)
        layout.addWidget(rb_button, 0, 0, QtCore.Qt.AlignVCenter)

        box = gui.hBox(None, addToLayout=False, margin=0)
        box.setSizePolicy(Policy.MinimumExpanding, Policy.Fixed)
        self.file_combo.setSizePolicy(Policy.MinimumExpanding, Policy.Fixed)
        self.file_combo.activated[int].connect(self.select_file)
        box.layout().addWidget(self.file_combo)
        layout.addWidget(box, 0, 1)

        file_button = gui.button(None,
                                 self,
                                 '...',
                                 callback=self.browse_file,
                                 autoDefault=False)
        file_button.setIcon(self.style().standardIcon(
            QtGui.QStyle.SP_DirOpenIcon))
        file_button.setSizePolicy(Policy.Maximum, Policy.Fixed)
        layout.addWidget(file_button, 0, 2)

        reload_button = gui.button(None,
                                   self,
                                   "Reload",
                                   callback=self.reload,
                                   autoDefault=False)
        reload_button.setIcon(self.style().standardIcon(
            QtGui.QStyle.SP_BrowserReload))
        reload_button.setSizePolicy(Policy.Fixed, Policy.Fixed)
        layout.addWidget(reload_button, 0, 3)

        self.sheet_box = gui.hBox(None, addToLayout=False, margin=0)
        self.sheet_combo = gui.comboBox(None,
                                        self,
                                        "xls_sheet",
                                        callback=self.load_data,
                                        sendSelectedValue=True)
        self.sheet_combo.setSizePolicy(Policy.MinimumExpanding, Policy.Fixed)
        self.sheet_label = QtGui.QLabel()
        self.sheet_label.setText('Sheet')
        self.sheet_label.setSizePolicy(Policy.MinimumExpanding, Policy.Fixed)
        self.sheet_box.layout().addWidget(self.sheet_label,
                                          QtCore.Qt.AlignLeft)
        self.sheet_box.layout().addWidget(self.sheet_combo,
                                          QtCore.Qt.AlignVCenter)
        layout.addWidget(self.sheet_box, 2, 1)
        self.sheet_box.hide()

        rb_button = gui.appendRadioButton(vbox, "URL:", addToLayout=False)
        layout.addWidget(rb_button, 3, 0, QtCore.Qt.AlignVCenter)

        self.url_combo = url_combo = QtGui.QComboBox()
        url_model = NamedURLModel(self.sheet_names)
        url_model.wrap(self.recent_urls)
        url_combo.setModel(url_model)
        url_combo.setSizePolicy(Policy.MinimumExpanding, Policy.Fixed)
        url_combo.setMaximumWidth(500)
        url_combo.setEditable(True)
        url_combo.setInsertPolicy(url_combo.InsertAtTop)
        url_edit = url_combo.lineEdit()
        l, t, r, b = url_edit.getTextMargins()
        url_edit.setTextMargins(l + 5, t, r, b)
        layout.addWidget(url_combo, 3, 1, 3, 3)
        url_combo.activated.connect(self._url_set)

        box = gui.vBox(self.controlArea, "Info")
        self.info = gui.widgetLabel(box, 'No data loaded.')
        self.warnings = gui.widgetLabel(box, '')

        box = gui.hBox(self.controlArea)
        gui.button(box,
                   self,
                   "Browse documentation data sets",
                   callback=lambda: self.browse_file(True),
                   autoDefault=False)
        gui.rubber(box)
        box.layout().addWidget(self.report_button)
        self.report_button.setFixedWidth(170)

        # Set word wrap, so long warnings won't expand the widget
        self.warnings.setWordWrap(True)
        self.warnings.setSizePolicy(Policy.Ignored, Policy.MinimumExpanding)

        self.set_file_list()
        if self.last_path() is not None:
            self.fill_sheet_combo(self.last_path())
        # Must not call open_file from within __init__. open_file
        # explicitly re-enters the event loop (by a progress bar)
        QtCore.QTimer.singleShot(0, self.load_data)

        self.setAcceptDrops(True)
Example #52
0
    def _add_mark_box(self):
        hbox = gui.hBox(None, box=True)
        self.mainArea.layout().addWidget(hbox)
        vbox = gui.hBox(hbox)

        def spin(value, label, minv, maxv):
            return gui.spin(vbox,
                            self,
                            value,
                            label=label,
                            minv=minv,
                            maxv=maxv,
                            step=1,
                            alignment=Qt.AlignRight,
                            callback=self.update_marks).box

        def text_line():
            def set_search_string_timer():
                self.searchStringTimer.stop()
                self.searchStringTimer.start(300)

            return gui.lineEdit(gui.hBox(vbox),
                                self,
                                "mark_text",
                                label="Text: ",
                                orientation=Qt.Horizontal,
                                minimumWidth=50,
                                callback=set_search_string_timer,
                                callbackOnType=True).box

        def _mark_by_labels(marker):
            txt = self.mark_text.lower()
            if not txt:
                return None
            labels = self.get_label_data()
            if labels is None:
                return None
            return marker(np.char.array(labels), txt)

        def mark_label_starts():
            return _mark_by_labels(lambda labels, txt: np.flatnonzero(
                labels.lower().startswith(txt)))

        def mark_label_contains():
            return _mark_by_labels(lambda labels, txt: np.flatnonzero(
                labels.lower().find(txt) != -1))

        def mark_text():
            txt = self.mark_text.lower()
            if not txt or self.data is None:
                return None
            return np.array([
                i for i, inst in enumerate(self.data)
                if txt in "\x00".join(map(str, inst.list)).lower()
            ])

        def mark_reachable():
            selected = self.graph.get_selection()
            if selected is None:
                return None
            return self.get_reachable(selected)

        def mark_close():
            selected = self.graph.get_selection()
            if selected is None:
                return None
            neighbours = set(selected)
            last_round = list(neighbours)
            for _ in range(self.mark_hops):
                next_round = set()
                for neigh in last_round:
                    next_round |= set(self.network.neighbours(neigh))
                neighbours |= next_round
                last_round = next_round
            neighbours -= set(selected)
            return np.array(list(neighbours))

        def mark_from_input():
            if self.subset_data is None or self.data is None:
                return None
            ids = set(self.subset_data.ids)
            return np.array(
                [i for i, ex in enumerate(self.data) if ex.id in ids])

        def mark_most_connections():
            n = self.mark_most_conn
            if n >= self.number_of_nodes:
                return np.arange(self.number_of_nodes)
            degrees = self.network.degrees()
            # pylint: disable=invalid-unary-operand-type
            min_degree = np.partition(degrees, -n)[-n]
            return np.flatnonzero(degrees >= min_degree)

        def mark_more_than_any_neighbour():
            degrees = self.network.degrees()
            return np.array([
                node for node, degree in enumerate(degrees)
                if degree > np.max(degrees[self.network.neighbours(node)],
                                   initial=0)
            ])

        def mark_more_than_average_neighbour():
            degrees = self.network.degrees()
            return np.array([
                node for node, degree, neighbours in (
                    (node, degree, self.network.neighbours(node))
                    for node, degree in enumerate(degrees)) if degree > (
                        np.mean(degrees[neighbours]) if neighbours.size else 0)
            ])

        self.mark_criteria = [
            ("(Select criteria for marking)", None, lambda: np.zeros((0, ))),
            ("Mark nodes whose label starts with", text_line(),
             mark_label_starts),
            ("Mark nodes whose label contains", text_line(),
             mark_label_contains),
            ("Mark nodes whose data that contains", text_line(), mark_text),
            ("Mark nodes reachable from selected", None, mark_reachable),
            ("Mark nodes in vicinity of selection",
             spin("mark_hops", "Number of hops:", 1, 20), mark_close),
            ("Mark nodes from subset signal", None, mark_from_input),
            ("Mark nodes with few connections",
             spin("mark_max_conn", "Max. connections:", 0, 1000), lambda: np.
             flatnonzero(self.network.degrees() <= self.mark_max_conn)),
            ("Mark nodes with many connections",
             spin("mark_min_conn", "Min. connections:", 1, 1000), lambda: np.
             flatnonzero(self.network.degrees() >= self.mark_min_conn)),
            ("Mark nodes with most connections",
             spin("mark_most_conn", "Number of marked:", 1,
                  1000), mark_most_connections),
            ("Mark nodes with more connections than any neighbour", None,
             mark_more_than_any_neighbour),
            ("Mark nodes with more connections than average neighbour", None,
             mark_more_than_average_neighbour)
        ]

        cb = gui.comboBox(hbox,
                          self,
                          "mark_mode",
                          items=[item for item, *_ in self.mark_criteria],
                          maximumContentsLength=-1,
                          callback=self.set_mark_mode)
        hbox.layout().insertWidget(0, cb)

        gui.rubber(hbox)
        self.btselect = gui.button(hbox,
                                   self,
                                   "Select",
                                   callback=self.select_marked)
        self.btadd = gui.button(hbox,
                                self,
                                "Add to Selection",
                                callback=self.select_add_marked)
        self.btgroup = gui.button(hbox,
                                  self,
                                  "Add New Group",
                                  callback=self.select_as_group)
Example #53
0
    def __init__(self):
        super().__init__()
        self.data = None  # type: Optional[Orange.data.Table]
        self.learner = None  # type: Optional[Learner]
        self.default_learner = SimpleTreeLearner(min_instances=10, max_depth=10)
        self.modified = False
        self.executor = qconcurrent.ThreadExecutor(self)
        self.__task = None

        main_layout = self.controlArea.layout()

        box = gui.vBox(self.controlArea, "Default Method")

        box_layout = QGridLayout()
        box_layout.setSpacing(8)
        box.layout().addLayout(box_layout)

        button_group = QButtonGroup()
        button_group.idClicked.connect(self.set_default_method)

        for i, (method, _) in enumerate(list(METHODS.items())[1:-1]):
            imputer = self.create_imputer(method)
            button = QRadioButton(imputer.name)
            button.setChecked(method == self.default_method_index)
            button_group.addButton(button, method)
            box_layout.addWidget(button, i % 3, i // 3)

        def set_default_time(datetime):
            datetime = datetime.toSecsSinceEpoch()
            if datetime != self.default_time:
                self.default_time = datetime
                if self.default_method_index == Method.Default:
                    self._invalidate()

        hlayout = QHBoxLayout()
        box.layout().addLayout(hlayout)
        button = QRadioButton("Fixed values; numeric variables:")
        button_group.addButton(button, Method.Default)
        button.setChecked(Method.Default == self.default_method_index)
        hlayout.addWidget(button)

        self.numeric_value_widget = DoubleSpinBox(
            minimum=DBL_MIN, maximum=DBL_MAX, singleStep=.1,
            value=self.default_numeric_value,
            alignment=Qt.AlignRight,
            enabled=self.default_method_index == Method.Default,
        )
        self.numeric_value_widget.editingFinished.connect(
            self.__on_default_numeric_value_edited
        )
        self.connect_control(
            "default_numeric_value", self.numeric_value_widget.setValue
        )
        hlayout.addWidget(self.numeric_value_widget)

        hlayout.addWidget(QLabel(", time:"))

        self.time_widget = gui.DateTimeEditWCalendarTime(self)
        self.time_widget.setEnabled(self.default_method_index == Method.Default)
        self.time_widget.setKeyboardTracking(False)
        self.time_widget.setContentsMargins(0, 0, 0, 0)
        self.time_widget.set_datetime(
            QDateTime.fromSecsSinceEpoch(self.default_time)
        )
        self.connect_control(
            "default_time",
            lambda value: self.time_widget.set_datetime(
                QDateTime.fromSecsSinceEpoch(value)
            )
        )
        self.time_widget.dateTimeChanged.connect(set_default_time)
        hlayout.addWidget(self.time_widget)

        self.default_button_group = button_group

        box = gui.hBox(self.controlArea, self.tr("Individual Attribute Settings"),
                       flat=False)

        self.varview = ListViewSearch(
            selectionMode=QListView.ExtendedSelection,
            uniformItemSizes=True
        )
        self.varview.setItemDelegate(DisplayFormatDelegate())
        self.varmodel = itemmodels.VariableListModel()
        self.varview.setModel(self.varmodel)
        self.varview.selectionModel().selectionChanged.connect(
            self._on_var_selection_changed
        )
        self.selection = self.varview.selectionModel()

        box.layout().addWidget(self.varview)
        vertical_layout = QVBoxLayout()

        self.methods_container = QWidget(enabled=False)
        method_layout = QVBoxLayout()
        method_layout.setContentsMargins(0, 0, 0, 0)
        self.methods_container.setLayout(method_layout)

        button_group = QButtonGroup()
        for method in Method:
            imputer = self.create_imputer(method)
            button = QRadioButton(text=imputer.name)
            button_group.addButton(button, method)
            method_layout.addWidget(button)

        self.value_combo = QComboBox(
            minimumContentsLength=8,
            sizeAdjustPolicy=QComboBox.AdjustToMinimumContentsLengthWithIcon,
            activated=self._on_value_selected
            )
        self.value_double = DoubleSpinBox(
            editingFinished=self._on_value_selected,
            minimum=DBL_MIN, maximum=DBL_MAX, singleStep=.1,
            )
        self.value_stack = value_stack = QStackedWidget()
        value_stack.addWidget(self.value_combo)
        value_stack.addWidget(self.value_double)
        method_layout.addWidget(value_stack)

        button_group.idClicked.connect(
            self.set_method_for_current_selection
        )

        self.reset_button = QPushButton(
            "Restore All to Default", enabled=False, default=False,
            autoDefault=False, clicked=self.reset_variable_state,
        )

        vertical_layout.addWidget(self.methods_container)
        vertical_layout.addStretch(2)
        vertical_layout.addWidget(self.reset_button)

        box.layout().addLayout(vertical_layout)

        self.variable_button_group = button_group

        gui.auto_apply(self.buttonsArea, self, "autocommit")
Example #54
0
    def __init__(self):
        self.data = None
        box = gui.vBox(self.controlArea, 'Moving Transform')

        def _disable_fixed_wlen():
            fixed_wlen.setDisabled(not self.non_overlapping)
            self.view.repaint()
            self.on_changed()

        gui.checkBox(box, self, 'non_overlapping',
                     label=self._NON_OVERLAPPING_WINDOWS,
                     callback=_disable_fixed_wlen,
                     tooltip='If this is checked, instead of rolling windows '
                             'through the series, they are applied side-to-side, '
                             'so the resulting output series will be some '
                             'length-of-fixed-window-times shorter.')
        fixed_wlen = gui.spin(box, self, 'fixed_wlen', 2, 1000,
                              label='Fixed window width:',
                              callback=self.on_changed)
        fixed_wlen.setDisabled(not self.non_overlapping)
        # TODO: allow the user to choose left-aligned, right-aligned, or center-aligned window

        class TableView(gui.TableView):
            def __init__(self, parent):
                super().__init__(parent,
                                 editTriggers=(self.SelectedClicked |
                                               self.CurrentChanged |
                                               self.DoubleClicked |
                                               self.EditKeyPressed),
                                 )
                self.horizontalHeader().setStretchLastSection(False)
                agg_functions = ListModel(AGG_FUNCTIONS +
                                          [Cumulative_sum, Cumulative_product],
                                          parent=self)
                self.setItemDelegateForColumn(0, self.VariableDelegate(parent))
                self.setItemDelegateForColumn(1, self.SpinDelegate(parent))
                self.setItemDelegateForColumn(2, self.ComboDelegate(self, agg_functions))

            class _ItemDelegate(QStyledItemDelegate):
                def updateEditorGeometry(self, widget, option, _index):
                    widget.setGeometry(option.rect)

            class ComboDelegate(_ItemDelegate):
                def __init__(self, parent=None, combo_model=None):
                    super().__init__(parent)
                    self._parent = parent
                    if combo_model is not None:
                        self._combo_model = combo_model

                def createEditor(self, parent, _QStyleOptionViewItem, index):
                    combo = QComboBox(parent)
                    combo.setModel(self._combo_model)
                    return combo

                def setEditorData(self, combo, index):
                    var = index.model().data(index, Qt.EditRole)
                    combo.setCurrentIndex(self._combo_model.indexOf(var))

                def setModelData(self, combo, model, index):
                    var = self._combo_model[combo.currentIndex()]
                    model.setData(index, var, Qt.EditRole)

            class VariableDelegate(ComboDelegate):
                @property
                def _combo_model(self):
                    return self._parent.var_model

            class SpinDelegate(_ItemDelegate):
                def paint(self, painter, option, index):
                    # Don't paint window length if non-overlapping windows set
                    if not self.parent().non_overlapping:
                        super().paint(painter, option, index)

                def createEditor(self, parent, _QStyleOptionViewItem, _index):
                    # Don't edit window length if non-overlapping windows set
                    if self.parent().non_overlapping:
                        return None
                    spin = QSpinBox(parent, minimum=1, maximum=1000)
                    return spin

                def setEditorData(self, spin, index):
                    spin.setValue(index.model().data(index, Qt.EditRole))

                def setModelData(self, spin, model, index):
                    spin.interpretText()
                    model.setData(index, spin.value(), Qt.EditRole)

        self.var_model = VariableListModel(parent=self)

        self.table_model = model = PyTableModel(parent=self, editable=True)
        model.setHorizontalHeaderLabels(['Series', 'Window width', 'Aggregation function'])
        model.dataChanged.connect(self.on_changed)

        self.view = view = TableView(self)
        view.setModel(model)
        box.layout().addWidget(view)

        hbox = gui.hBox(box)
        from os.path import dirname, join
        self.add_button = button = gui.button(
            hbox, self, 'Add &Transform',
            callback=self.on_add_transform)
        button.setIcon(QIcon(join(dirname(__file__), 'icons', 'LineChart-plus.png')))

        self.del_button = button = gui.button(
            hbox, self, '&Delete Selected',
            callback=self.on_del_transform)
        QIcon.setThemeName('gnome')  # Works for me
        button.setIcon(QIcon.fromTheme('edit-delete'))

        gui.auto_commit(box, self, 'autocommit', '&Apply')

        self.settingsAboutToBePacked.connect(self.store_transformations)
Example #55
0
    def __init__(self):
        super().__init__()
        self.data = None

        # The following lists are of the same length as self.active_rules

        #: list of pairs with counts of matches for each patter when the
        #     patterns are applied in order and when applied on the entire set,
        #     disregarding the preceding patterns
        self.match_counts = []

        #: list of list of QLineEdit: line edit pairs for each pattern
        self.line_edits = []
        #: list of QPushButton: list of remove buttons
        self.remove_buttons = []
        #: list of list of QLabel: pairs of labels with counts
        self.counts = []

        combo = gui.comboBox(self.controlArea,
                             self,
                             "attribute",
                             label="From column: ",
                             box=True,
                             orientation=Qt.Horizontal,
                             callback=self.update_rules,
                             model=DomainModel(valid_types=(StringVariable,
                                                            DiscreteVariable)))
        # Don't use setSizePolicy keyword argument here: it applies to box,
        # not the combo
        combo.setSizePolicy(QSizePolicy.MinimumExpanding, QSizePolicy.Fixed)

        patternbox = gui.vBox(self.controlArea, box=True)
        #: QWidget: the box that contains the remove buttons, line edits and
        #    count labels. The lines are added and removed dynamically.
        self.rules_box = rules_box = QGridLayout()
        patternbox.layout().addLayout(self.rules_box)
        box = gui.hBox(patternbox)
        gui.button(box,
                   self,
                   "+",
                   callback=self.add_row,
                   autoDefault=False,
                   flat=True,
                   minimumSize=(QSize(20, 20)))
        gui.rubber(box)
        self.rules_box.setColumnMinimumWidth(1, 70)
        self.rules_box.setColumnMinimumWidth(0, 10)
        self.rules_box.setColumnStretch(0, 1)
        self.rules_box.setColumnStretch(1, 1)
        self.rules_box.setColumnStretch(2, 100)
        rules_box.addWidget(QLabel("Name"), 0, 1)
        rules_box.addWidget(QLabel("Substring"), 0, 2)
        rules_box.addWidget(QLabel("#Instances"), 0, 3, 1, 2)
        self.update_rules()

        gui.lineEdit(self.controlArea,
                     self,
                     "class_name",
                     label="Name for the new class:",
                     box=True,
                     orientation=Qt.Horizontal)

        optionsbox = gui.vBox(self.controlArea, box=True)
        gui.checkBox(optionsbox,
                     self,
                     "match_beginning",
                     "Match only at the beginning",
                     callback=self.options_changed)
        gui.checkBox(optionsbox,
                     self,
                     "case_sensitive",
                     "Case sensitive",
                     callback=self.options_changed)

        box = gui.hBox(self.controlArea)
        gui.rubber(box)
        gui.button(box,
                   self,
                   "Apply",
                   autoDefault=False,
                   width=180,
                   callback=self.apply)

        # TODO: Resizing upon changing the number of rules does not work
        self.setSizePolicy(QSizePolicy.Preferred, QSizePolicy.Maximum)
Example #56
0
    def __init__(self):
        super().__init__()

        self._connection = None
        self.data_desc_table = None
        self.database_desc = None

        vbox = gui.vBox(self.controlArea, "Server", addSpace=True)
        box = gui.vBox(vbox)
        self.servertext = QtGui.QLineEdit(box)
        self.servertext.setPlaceholderText('Server')
        self.servertext.setToolTip('Server')
        if self.host:
            self.servertext.setText(self.host if not self.port else '{}:{}'.
                                    format(self.host, self.port))
        box.layout().addWidget(self.servertext)
        self.databasetext = QtGui.QLineEdit(box)
        self.databasetext.setPlaceholderText('Database[/Schema]')
        self.databasetext.setToolTip('Database or optionally Database/Schema')
        if self.database:
            self.databasetext.setText(
                self.database if not self.schema else '{}/{}'.
                format(self.database, self.schema))
        box.layout().addWidget(self.databasetext)
        self.usernametext = QtGui.QLineEdit(box)
        self.usernametext.setPlaceholderText('Username')
        self.usernametext.setToolTip('Username')
        if self.username:
            self.usernametext.setText(self.username)
        box.layout().addWidget(self.usernametext)
        self.passwordtext = QtGui.QLineEdit(box)
        self.passwordtext.setPlaceholderText('Password')
        self.passwordtext.setToolTip('Password')
        self.passwordtext.setEchoMode(QtGui.QLineEdit.Password)
        if self.password:
            self.passwordtext.setText(self.password)
        box.layout().addWidget(self.passwordtext)

        tables = gui.hBox(box)
        self.tablecombo = QtGui.QComboBox(
            tables,
            minimumContentsLength=35,
            sizeAdjustPolicy=QtGui.QComboBox.AdjustToMinimumContentsLength)
        self.tablecombo.setToolTip('table')
        tables.layout().addWidget(self.tablecombo)
        self.tablecombo.activated[int].connect(self.select_table)
        self.connectbutton = gui.button(tables,
                                        self,
                                        '↻',
                                        callback=self.connect)
        self.connectbutton.setSizePolicy(QtGui.QSizePolicy.Fixed,
                                         QtGui.QSizePolicy.Fixed)
        tables.layout().addWidget(self.connectbutton)

        self.custom_sql = gui.vBox(box)
        self.custom_sql.setVisible(False)
        self.sqltext = QtGui.QTextEdit(self.custom_sql)
        self.sqltext.setPlainText(self.sql)
        self.custom_sql.layout().addWidget(self.sqltext)

        mt = gui.hBox(self.custom_sql)
        cb = gui.checkBox(mt, self, 'materialize', 'Materialize to table ')
        cb.setToolTip('Save results of the query in a table')
        le = gui.lineEdit(mt, self, 'materialize_table_name')
        le.setToolTip('Save results of the query in a table')

        self.executebtn = gui.button(self.custom_sql,
                                     self,
                                     'Execute',
                                     callback=self.open_table)

        box.layout().addWidget(self.custom_sql)

        gui.checkBox(box,
                     self,
                     "guess_values",
                     "Auto-discover discrete variables",
                     callback=self.open_table)

        gui.checkBox(box,
                     self,
                     "download",
                     "Download data to local memory",
                     callback=self.open_table)

        gui.rubber(self.buttonsArea)
        QTimer.singleShot(0, self.connect)
Example #57
0
    def __init__(self, *args, **kwargs):
        super().__init__(*args, **kwargs)

        self.api = WikipediaAPI(on_error=self.Error.api_error)
        self.result = None

        query_box = gui.hBox(self.controlArea, 'Query')

        # Queries configuration
        layout = QGridLayout()
        layout.setSpacing(7)

        row = 0
        query_edit = ListEdit(self, 'query_list',
                              "Each line represents a separate query.", None,
                              self)
        layout.addWidget(QLabel('Query word list:'), row, 0, 1,
                         self.label_width)
        layout.addWidget(query_edit, row, self.label_width, 1,
                         self.widgets_width)

        # Language
        row += 1
        language_edit = ComboBox(self, 'language',
                                 tuple(sorted(lang2code.items())))
        layout.addWidget(QLabel('Language:'), row, 0, 1, self.label_width)
        layout.addWidget(language_edit, row, self.label_width, 1,
                         self.widgets_width)

        # Articles per query
        row += 1
        layout.addWidget(QLabel('Articles per query:'), row, 0, 1,
                         self.label_width)
        slider = gui.valueSlider(query_box,
                                 self,
                                 'articles_per_query',
                                 box='',
                                 values=[1, 3, 5, 10, 25])
        layout.addWidget(slider.box, row, 1, 1, self.widgets_width)

        query_box.layout().addLayout(layout)
        self.controlArea.layout().addWidget(query_box)

        self.controlArea.layout().addWidget(
            CheckListLayout('Text includes',
                            self,
                            'text_includes',
                            self.attributes,
                            cols=2,
                            callback=self.set_text_features))

        self.info_box = gui.hBox(self.controlArea, 'Info')
        self.result_label = gui.label(self.info_box, self,
                                      self.info_label.format(0))

        self.button_box = gui.hBox(self.controlArea)
        self.button_box.layout().addWidget(self.report_button)

        self.search_button = gui.button(self.button_box, self, 'Search',
                                        self.start_stop)
        self.search_button.setFocusPolicy(Qt.NoFocus)
Example #58
0
    def __init__(self):
        super().__init__()
        self.table = None
        self._html = None

        def _loadFinished(is_ok):
            if is_ok:
                QTimer.singleShot(1, lambda: setattr(self, '_html', self.webview.html()))

        self.webview = WebviewWidget(loadFinished=_loadFinished)

        vb = gui.vBox(self.controlArea, 'Import Data')
        hb = gui.hBox(vb)
        self.combo = combo = URLComboBox(
            hb, self.recent, editable=True, minimumWidth=400,
            insertPolicy=QComboBox.InsertAtTop,
            toolTip='Format: ' + VALID_URL_HELP,
            editTextChanged=self.is_valid_url,
            # Indirect via QTimer because calling wait() -> processEvents,
            # while our currentIndexChanged event hadn't yet finished.
            # Avoids calling handler twice.
            currentIndexChanged=lambda: QTimer.singleShot(1, self.load_url))
        hb.layout().addWidget(QLabel('Public link URL:', hb))
        hb.layout().addWidget(combo)
        hb.layout().setStretch(1, 2)

        RELOAD_TIMES = (
            ('No reload',),
            ('5 s', 5000),
            ('10 s', 10000),
            ('30 s', 30000),
            ('1 min', 60*1000),
            ('2 min', 2*60*1000),
            ('5 min', 5*60*1000),
        )

        reload_timer = QTimer(self, timeout=lambda: self.load_url(from_reload=True))

        def _on_reload_changed():
            if self.reload_idx == 0:
                reload_timer.stop()
                return
            reload_timer.start(RELOAD_TIMES[self.reload_idx][1])

        gui.comboBox(vb, self, 'reload_idx', label='Reload every:',
                     orientation=Qt.Horizontal,
                     items=[i[0] for i in RELOAD_TIMES],
                     callback=_on_reload_changed)

        box = gui.widgetBox(self.controlArea, "Columns (Double-click to edit)")
        self.domain_editor = DomainEditor(self)
        editor_model = self.domain_editor.model()

        def editorDataChanged():
            self.apply_domain_edit()
            self.commit()

        editor_model.dataChanged.connect(editorDataChanged)
        box.layout().addWidget(self.domain_editor)

        box = gui.widgetBox(self.controlArea, "Info", addSpace=True)
        info = self.data_info = gui.widgetLabel(box, '')
        info.setWordWrap(True)

        self.controlArea.layout().addStretch(1)
        gui.auto_commit(self.controlArea, self, 'autocommit', label='Commit')

        self.set_info()
Example #59
0
    def __init__(self):
        super().__init__()

        self.data = None
        self.km = None
        self.optimization_runs = []

        box = gui.vBox(self.controlArea, "Number of Clusters")
        layout = QGridLayout()
        self.n_clusters = bg = gui.radioButtonsInBox(box,
                                                     self,
                                                     "optimize_k", [],
                                                     orientation=layout,
                                                     callback=self.update)
        layout.addWidget(
            gui.appendRadioButton(bg, "Fixed:", addToLayout=False), 1, 1)
        sb = gui.hBox(None, margin=0)
        self.fixedSpinBox = gui.spin(sb,
                                     self,
                                     "k",
                                     minv=2,
                                     maxv=30,
                                     controlWidth=60,
                                     alignment=Qt.AlignRight,
                                     callback=self.update_k)
        gui.rubber(sb)
        layout.addWidget(sb, 1, 2)

        layout.addWidget(
            gui.appendRadioButton(bg, "Optimized from", addToLayout=False), 2,
            1)
        ftobox = gui.hBox(None)
        ftobox.layout().setContentsMargins(0, 0, 0, 0)
        layout.addWidget(ftobox)
        gui.spin(ftobox,
                 self,
                 "k_from",
                 minv=2,
                 maxv=29,
                 controlWidth=60,
                 alignment=Qt.AlignRight,
                 callback=self.update_from)
        gui.widgetLabel(ftobox, "to")
        self.fixedSpinBox = gui.spin(ftobox,
                                     self,
                                     "k_to",
                                     minv=3,
                                     maxv=30,
                                     controlWidth=60,
                                     alignment=Qt.AlignRight,
                                     callback=self.update_to)
        gui.rubber(ftobox)

        layout.addWidget(gui.widgetLabel(None, "Scoring: "), 5, 1,
                         Qt.AlignRight)
        layout.addWidget(
            gui.comboBox(None,
                         self,
                         "scoring",
                         label="Scoring",
                         items=list(zip(*self.SCORING_METHODS))[0],
                         callback=self.update), 5, 2)

        box = gui.vBox(self.controlArea, "Initialization")
        gui.comboBox(box,
                     self,
                     "smart_init",
                     items=self.INIT_METHODS,
                     callback=self.update)

        layout = QGridLayout()
        box2 = gui.widgetBox(box, orientation=layout)
        box2.setSizePolicy(QSizePolicy.Maximum, QSizePolicy.Maximum)
        layout.addWidget(gui.widgetLabel(None, "Re-runs: "), 0, 0,
                         Qt.AlignLeft)
        sb = gui.hBox(None, margin=0)
        layout.addWidget(sb, 0, 1)
        gui.lineEdit(sb,
                     self,
                     "n_init",
                     controlWidth=60,
                     valueType=int,
                     validator=QIntValidator(),
                     callback=self.update)
        layout.addWidget(gui.widgetLabel(None, "Maximal iterations: "), 1, 0,
                         Qt.AlignLeft)
        sb = gui.hBox(None, margin=0)
        layout.addWidget(sb, 1, 1)
        gui.lineEdit(sb,
                     self,
                     "max_iterations",
                     controlWidth=60,
                     valueType=int,
                     validator=QIntValidator(),
                     callback=self.update)

        box = gui.vBox(self.controlArea, "Output")
        gui.comboBox(box,
                     self,
                     "place_cluster_ids",
                     label="Append cluster ID as:",
                     orientation=Qt.Horizontal,
                     callback=self.send_data,
                     items=self.OUTPUT_METHODS)
        gui.lineEdit(box,
                     self,
                     "output_name",
                     label="Name:",
                     orientation=Qt.Horizontal,
                     callback=self.send_data)

        gui.separator(self.buttonsArea, 30)
        self.apply_button = gui.auto_commit(self.buttonsArea,
                                            self,
                                            "auto_run",
                                            "Apply",
                                            box=None)
        gui.rubber(self.controlArea)

        self.table_model = QStandardItemModel(self)
        self.table_model.setHorizontalHeaderLabels(["k", "Score"])
        self.table_model.setColumnCount(2)

        self.table_box = gui.vBox(self.mainArea,
                                  "Optimization Report",
                                  addSpace=0)
        table = self.table_view = QTableView(self.table_box)
        table.setHorizontalScrollMode(QTableView.ScrollPerPixel)
        table.setHorizontalScrollBarPolicy(Qt.ScrollBarAlwaysOff)
        table.setSelectionMode(QTableView.SingleSelection)
        table.setSelectionBehavior(QTableView.SelectRows)
        table.verticalHeader().hide()
        table.setItemDelegateForColumn(1, gui.TableBarItem(self))
        table.setModel(self.table_model)
        table.selectionModel().selectionChanged.connect(
            self.table_item_selected)
        table.setColumnWidth(0, 40)
        table.setColumnWidth(1, 120)
        table.horizontalHeader().setStretchLastSection(True)

        self.setSizePolicy(QSizePolicy.Preferred, QSizePolicy.Preferred)
        self.mainArea.setSizePolicy(QSizePolicy.Maximum, QSizePolicy.Preferred)
        self.table_box.setSizePolicy(QSizePolicy.Fixed,
                                     QSizePolicy.MinimumExpanding)
        self.table_view.setSizePolicy(QSizePolicy.Preferred,
                                      QSizePolicy.MinimumExpanding)
        self.table_box.layout().addWidget(self.table_view)
        self.hide_show_opt_results()
Example #60
0
    def __init__(self, parent=None, select=SELECTNONE):
        QWidget.__init__(self)
        OWComponent.__init__(self, parent)

        self.parent = parent

        self.selection_type = select
        self.saving_enabled = hasattr(self.parent, "save_graph")
        self.clear_data(init=True)
        self.subset = None  # current subset input
        self.subset_indices = None  # boolean index array with indices in self.data

        self.plotview = pg.PlotWidget(background="w", viewBox=InteractiveViewBoxC(self))
        self.plot = self.plotview.getPlotItem()
        self.plot.setDownsampling(auto=True, mode="peak")

        self.markings = []
        self.vLine = pg.InfiniteLine(angle=90, movable=False)
        self.hLine = pg.InfiniteLine(angle=0, movable=False)
        self.proxy = pg.SignalProxy(self.plot.scene().sigMouseMoved, rateLimit=20, slot=self.mouseMoved, delay=0.1)
        self.plot.scene().sigMouseMoved.connect(self.plot.vb.mouseMovedEvent)
        self.plot.vb.sigRangeChanged.connect(self.resized)
        self.pen_mouse = pg.mkPen(color=(0, 0, 255), width=2)
        self.pen_normal = defaultdict(lambda: pg.mkPen(color=(200, 200, 200, 127), width=1))
        self.pen_subset = defaultdict(lambda: pg.mkPen(color=(0, 0, 0, 127), width=1))
        self.pen_selected = defaultdict(lambda: pg.mkPen(color=(0, 0, 0, 127), width=2, style=Qt.DotLine))
        self.label = pg.TextItem("", anchor=(1, 0))
        self.label.setText("", color=(0, 0, 0))
        self.discrete_palette = None
        QPixmapCache.setCacheLimit(max(QPixmapCache.cacheLimit(), 100 * 1024))
        self.curves_cont = PlotCurvesItem()
        self.important_decimals = 4, 4

        # whether to rescale at next update
        self.rescale_next = True

        self.MOUSE_RADIUS = 20

        self.clear_graph()

        # interface settings
        self.location = True  # show current position
        self.markclosest = True  # mark
        self.crosshair = True
        self.crosshair_hidden = True

        layout = QVBoxLayout()
        self.setLayout(layout)
        self.layout().setContentsMargins(0, 0, 0, 0)
        self.layout().addWidget(self.plotview)

        actions = []

        resample_curves = QAction(
            "Resample curves", self, shortcut=Qt.Key_R,
            triggered=lambda x: self.resample_curves(self.sample_seed+1)
        )
        actions.append(resample_curves)
        reset_curves = QAction(
            "Resampling reset", self, shortcut=QKeySequence(Qt.ControlModifier | Qt.Key_R),
            triggered=lambda x: self.resample_curves(0)
        )
        actions.append(reset_curves)

        zoom_in = QAction(
            "Zoom in", self, triggered=self.plot.vb.set_mode_zooming
        )
        zoom_in.setShortcuts([Qt.Key_Z, QKeySequence(QKeySequence.ZoomIn)])
        zoom_in.setShortcutContext(Qt.WidgetWithChildrenShortcut)
        actions.append(zoom_in)
        zoom_fit = QAction(
            "Zoom to fit", self,
            triggered=lambda x: (self.plot.vb.autoRange(), self.plot.vb.set_mode_panning())
        )
        zoom_fit.setShortcuts([Qt.Key_Backspace, QKeySequence(Qt.ControlModifier | Qt.Key_0)])
        zoom_fit.setShortcutContext(Qt.WidgetWithChildrenShortcut)
        actions.append(zoom_fit)
        rescale_y = QAction(
            "Rescale Y to fit", self, shortcut=Qt.Key_D,
            triggered=self.rescale_current_view_y
        )

        actions.append(rescale_y)
        self.view_average_menu = QAction(
            "Show averages", self, shortcut=Qt.Key_A, checkable=True,
            triggered=lambda x: self.viewtype_changed()
        )
        actions.append(self.view_average_menu)

        self.show_grid = False
        self.show_grid_a = QAction(
            "Show grid", self, shortcut=Qt.Key_G, checkable=True,
            triggered=self.grid_changed
        )
        actions.append(self.show_grid_a)
        self.invertX_menu = QAction(
            "Invert X", self, shortcut=Qt.Key_X, checkable=True,
            triggered=self.invertX_changed
        )
        actions.append(self.invertX_menu)
        if self.selection_type == SELECTMANY:
            select_curves = QAction(
                "Select (line)", self, triggered=self.plot.vb.set_mode_select,
            )
            select_curves.setShortcuts([Qt.Key_S])
            select_curves.setShortcutContext(Qt.WidgetWithChildrenShortcut)
            actions.append(select_curves)
        if self.saving_enabled:
            save_graph = QAction(
                "Save graph", self, triggered=self.save_graph,
            )
            save_graph.setShortcuts([QKeySequence(Qt.ControlModifier | Qt.Key_S)])
            actions.append(save_graph)

        range_menu = MenuFocus("Define view range", self)
        range_action = QWidgetAction(self)
        layout = QGridLayout()
        range_box = gui.widgetBox(self, margin=5, orientation=layout)
        range_box.setFocusPolicy(Qt.TabFocus)
        self.range_e_x1 = lineEditFloatOrNone(None, self, "range_x1", label="e")
        range_box.setFocusProxy(self.range_e_x1)
        self.range_e_x2 = lineEditFloatOrNone(None, self, "range_x2", label="e")
        layout.addWidget(QLabel("X"), 0, 0, Qt.AlignRight)
        layout.addWidget(self.range_e_x1, 0, 1)
        layout.addWidget(QLabel("-"), 0, 2)
        layout.addWidget(self.range_e_x2, 0, 3)
        self.range_e_y1 = lineEditFloatOrNone(None, self, "range_y1", label="e")
        self.range_e_y2 = lineEditFloatOrNone(None, self, "range_y2", label="e")
        layout.addWidget(QLabel("Y"), 1, 0, Qt.AlignRight)
        layout.addWidget(self.range_e_y1, 1, 1)
        layout.addWidget(QLabel("-"), 1, 2)
        layout.addWidget(self.range_e_y2, 1, 3)
        b = gui.button(None, self, "Apply", callback=self.set_limits)
        layout.addWidget(b, 2, 3, Qt.AlignRight)
        range_action.setDefaultWidget(range_box)
        range_menu.addAction(range_action)

        layout = QGridLayout()
        self.plotview.setLayout(layout)
        self.button = QPushButton("View", self.plotview)
        self.button.setAutoDefault(False)
        layout.setRowStretch(1, 1)
        layout.setColumnStretch(1, 1)
        layout.addWidget(self.button, 0, 0)
        view_menu = MenuFocus(self)
        self.button.setMenu(view_menu)
        view_menu.addActions(actions)
        view_menu.addMenu(range_menu)
        self.addActions(actions)

        choose_color_action = QWidgetAction(self)
        choose_color_box = gui.hBox(self)
        choose_color_box.setFocusPolicy(Qt.TabFocus)
        model = VariableListModel()
        self.attrs = []
        model.wrap(self.attrs)
        label = gui.label(choose_color_box, self, "Color by")
        label.setAlignment(Qt.AlignRight | Qt.AlignVCenter)
        self.attrCombo = gui.comboBox(
            choose_color_box, self, value="color_attr", contentsLength=12,
            callback=self.update_view)
        self.attrCombo.setModel(model)
        choose_color_box.setFocusProxy(self.attrCombo)
        choose_color_action.setDefaultWidget(choose_color_box)
        view_menu.addAction(choose_color_action)

        cycle_colors = QShortcut(Qt.Key_C, self, self.cycle_color_attr, context=Qt.WidgetWithChildrenShortcut)

        labels_action = QWidgetAction(self)
        layout = QGridLayout()
        labels_box = gui.widgetBox(self, margin=0, orientation=layout)
        t = gui.lineEdit(None, self, "label_title", label="Title:",
                         callback=self.labels_changed, callbackOnType=self.labels_changed)
        layout.addWidget(QLabel("Title:"), 0, 0, Qt.AlignRight)
        layout.addWidget(t, 0, 1)
        t = gui.lineEdit(None, self, "label_xaxis", label="X-axis:",
                         callback=self.labels_changed, callbackOnType=self.labels_changed)
        layout.addWidget(QLabel("X-axis:"), 1, 0, Qt.AlignRight)
        layout.addWidget(t, 1, 1)
        t = gui.lineEdit(None, self, "label_yaxis", label="Y-axis:",
                         callback=self.labels_changed, callbackOnType=self.labels_changed)
        layout.addWidget(QLabel("Y-axis:"), 2, 0, Qt.AlignRight)
        layout.addWidget(t, 2, 1)
        labels_action.setDefaultWidget(labels_box)
        view_menu.addAction(labels_action)
        self.labels_changed()  # apply saved labels

        self.invertX_apply()
        self.plot.vb.set_mode_panning()

        self.reports = {}  # current reports

        self.viewhelpers_show()