Пример #1
0
class BasePlotCurveEditorDialog(QDialog):
    """QDialog that is used in Qt Designer to edit the properties of the
    curves in a waveform plot.  This dialog is shown when you double-click
    the plot, or when you right click it and choose 'edit curves'.

    This thing is mostly just a wrapper for a table view, with a couple
    buttons to add and remove curves, and a button to save the changes."""
    TABLE_MODEL_CLASS = BasePlotCurvesModel

    def __init__(self, plot, parent=None):
        super(BasePlotCurveEditorDialog, self).__init__(parent)
        self.plot = plot
        self.setup_ui()
        self.table_model = self.TABLE_MODEL_CLASS(self.plot)
        self.table_view.setModel(self.table_model)
        self.table_model.plot = plot
        # self.table_view.resizeColumnsToContents()
        self.add_button.clicked.connect(self.addCurve)
        self.remove_button.clicked.connect(self.removeSelectedCurve)
        self.remove_button.setEnabled(False)
        self.table_view.selectionModel().selectionChanged.connect(
            self.handleSelectionChange)
        self.table_view.doubleClicked.connect(self.handleDoubleClick)
        self.resize(800, 300)

    def setup_ui(self):
        self.vertical_layout = QVBoxLayout(self)
        self.table_view = QTableView(self)
        self.table_view.setEditTriggers(QAbstractItemView.DoubleClicked)
        self.table_view.setProperty("showDropIndicator", False)
        self.table_view.setDragDropOverwriteMode(False)
        self.table_view.setSelectionMode(QAbstractItemView.SingleSelection)
        self.table_view.setSelectionBehavior(QAbstractItemView.SelectRows)
        self.table_view.setSortingEnabled(False)
        self.table_view.horizontalHeader().setStretchLastSection(True)
        self.table_view.verticalHeader().setVisible(False)
        self.table_view.setColumnWidth(0, 160)
        self.table_view.setColumnWidth(1, 160)
        self.table_view.setColumnWidth(2, 160)
        self.vertical_layout.addWidget(self.table_view)
        self.add_remove_layout = QHBoxLayout()
        spacer = QSpacerItem(40, 20, QSizePolicy.Expanding,
                             QSizePolicy.Minimum)
        self.add_remove_layout.addItem(spacer)
        self.add_button = QPushButton("Add Curve", self)
        self.add_remove_layout.addWidget(self.add_button)
        self.remove_button = QPushButton("Remove Curve", self)
        self.add_remove_layout.addWidget(self.remove_button)
        self.vertical_layout.addLayout(self.add_remove_layout)
        self.button_box = QDialogButtonBox(self)
        self.button_box.setOrientation(Qt.Horizontal)
        self.button_box.addButton("Done", QDialogButtonBox.AcceptRole)
        self.vertical_layout.addWidget(self.button_box)
        self.button_box.accepted.connect(self.saveChanges)
        self.button_box.rejected.connect(self.reject)
        self.setWindowTitle("Waveform Curve Editor")

    def setup_delegate_columns(self, index=2):
        symbol_delegate = SymbolColumnDelegate(self)
        self.table_view.setItemDelegateForColumn(index+3, symbol_delegate)
        line_delegate = LineColumnDelegate(self)
        self.table_view.setItemDelegateForColumn(index+1, line_delegate)
        color_delegate = ColorColumnDelegate(self)
        self.table_view.setItemDelegateForColumn(index, color_delegate)

    @Slot()
    def addCurve(self):
        self.table_model.append()

    @Slot()
    def removeSelectedCurve(self):
        self.table_model.removeAtIndex(self.table_view.currentIndex())

    @Slot(QItemSelection, QItemSelection)
    def handleSelectionChange(self, selected, deselected):
        self.remove_button.setEnabled(
            self.table_view.selectionModel().hasSelection())

    @Slot(QModelIndex)
    def handleDoubleClick(self, index):
        if self.table_model.needsColorDialog(index):
            # The table model returns a QBrush for BackgroundRole, not a QColor
            init_color = self.table_model.data(index,
                                               Qt.BackgroundRole).color()
            color = QColorDialog.getColor(init_color, self)
            if color.isValid():
                self.table_model.setData(index, color, role=Qt.EditRole)

    @Slot()
    def saveChanges(self):
        formWindow = QDesignerFormWindowInterface.findFormWindow(self.plot)
        if formWindow:
            formWindow.cursor().setProperty("curves", self.plot.curves)
        self.accept()
Пример #2
0
class BasePlotCurveEditorDialog(QDialog):
    """QDialog that is used in Qt Designer to edit the properties of the
    curves in a waveform plot.  This dialog is shown when you double-click
    the plot, or when you right click it and choose 'edit curves'.

    This thing is mostly just a wrapper for a table view, with a couple
    buttons to add and remove curves, and a button to save the changes."""
    TABLE_MODEL_CLASS = BasePlotCurvesModel

    def __init__(self, plot, parent=None):
        super(BasePlotCurveEditorDialog, self).__init__(parent)
        self.plot = plot
        self.setup_ui()
        self.table_model = self.TABLE_MODEL_CLASS(self.plot)
        self.table_view.setModel(self.table_model)
        self.table_model.plot = plot
        # self.table_view.resizeColumnsToContents()
        self.add_button.clicked.connect(self.addCurve)
        self.remove_button.clicked.connect(self.removeSelectedCurve)
        self.remove_button.setEnabled(False)
        self.table_view.selectionModel().selectionChanged.connect(
            self.handleSelectionChange)
        self.table_view.doubleClicked.connect(self.handleDoubleClick)
        self.resize(800, 300)

    def setup_ui(self):
        self.vertical_layout = QVBoxLayout(self)
        self.table_view = QTableView(self)
        self.table_view.setEditTriggers(QAbstractItemView.DoubleClicked)
        self.table_view.setProperty("showDropIndicator", False)
        self.table_view.setDragDropOverwriteMode(False)
        self.table_view.setSelectionMode(QAbstractItemView.SingleSelection)
        self.table_view.setSelectionBehavior(QAbstractItemView.SelectRows)
        self.table_view.setSortingEnabled(False)
        self.table_view.horizontalHeader().setStretchLastSection(True)
        self.table_view.verticalHeader().setVisible(False)
        self.table_view.setColumnWidth(0, 160)
        self.table_view.setColumnWidth(1, 160)
        self.table_view.setColumnWidth(2, 160)
        self.vertical_layout.addWidget(self.table_view)
        self.add_remove_layout = QHBoxLayout()
        spacer = QSpacerItem(40, 20, QSizePolicy.Expanding,
                             QSizePolicy.Minimum)
        self.add_remove_layout.addItem(spacer)
        self.add_button = QPushButton("Add Curve", self)
        self.add_remove_layout.addWidget(self.add_button)
        self.remove_button = QPushButton("Remove Curve", self)
        self.add_remove_layout.addWidget(self.remove_button)
        self.vertical_layout.addLayout(self.add_remove_layout)
        self.button_box = QDialogButtonBox(self)
        self.button_box.setOrientation(Qt.Horizontal)
        self.button_box.addButton("Done", QDialogButtonBox.AcceptRole)
        self.vertical_layout.addWidget(self.button_box)
        self.button_box.accepted.connect(self.saveChanges)
        self.button_box.rejected.connect(self.reject)
        self.setWindowTitle("Waveform Curve Editor")

    def setup_delegate_columns(self, index=2):
        symbol_delegate = SymbolColumnDelegate(self)
        self.table_view.setItemDelegateForColumn(index + 3, symbol_delegate)
        line_delegate = LineColumnDelegate(self)
        self.table_view.setItemDelegateForColumn(index + 1, line_delegate)
        color_delegate = ColorColumnDelegate(self)
        self.table_view.setItemDelegateForColumn(index, color_delegate)

    @Slot()
    def addCurve(self):
        self.table_model.append()

    @Slot()
    def removeSelectedCurve(self):
        self.table_model.removeAtIndex(self.table_view.currentIndex())

    @Slot(QItemSelection, QItemSelection)
    def handleSelectionChange(self, selected, deselected):
        self.remove_button.setEnabled(
            self.table_view.selectionModel().hasSelection())

    @Slot(QModelIndex)
    def handleDoubleClick(self, index):
        if self.table_model.needsColorDialog(index):
            # The table model returns a QBrush for BackgroundRole, not a QColor
            init_color = self.table_model.data(index,
                                               Qt.BackgroundRole).color()
            color = QColorDialog.getColor(init_color, self)
            if color.isValid():
                self.table_model.setData(index, color, role=Qt.EditRole)

    @Slot()
    def saveChanges(self):
        formWindow = QDesignerFormWindowInterface.findFormWindow(self.plot)
        if formWindow:
            formWindow.cursor().setProperty("curves", self.plot.curves)
        self.accept()