canvas_variant.py 文件源码

def __init__(self, parent=None):
        super(MainWindow, self).__init__(parent)
        self.propertyToId = QMap()
        self.idToProperty = QMap()
        self.idToExpanded = QMap()

        editMenu = self.menuBar().addMenu(self.tr("Edit"))
        newObjectMenu = editMenu.addMenu(self.tr("New Object"))

        newRectangleAction = QAction(self.tr("Rectangle"), self)
        newRectangleAction.triggered.connect(self.newRectangle)
        newObjectMenu.addAction(newRectangleAction)

        newLineAction = QAction(self.tr("Line"), self)
        newLineAction.triggered.connect(self.newLine)
        newObjectMenu.addAction(newLineAction)

        newEllipseAction = QAction(self.tr("Ellipse"), self)
        newEllipseAction.triggered.connect(self.newEllipse)
        newObjectMenu.addAction(newEllipseAction)

        newTextAction = QAction(self.tr("Text"), self)
        newTextAction.triggered.connect(self.newText)
        newObjectMenu.addAction(newTextAction)

        self.deleteAction = QAction(self.tr("Delete Object"), self)
        self.deleteAction.triggered.connect(self.deleteObject)
        editMenu.addAction(self.deleteAction)

        clearAction = QAction(self.tr("Clear All"), self)
        clearAction.triggered.connect(self.clearAll)
        editMenu.addAction(clearAction)

        fillAction = QAction(self.tr("Fill View"), self)
        fillAction.triggered.connect(self.fillView)
        editMenu.addAction(fillAction)

        self.variantManager = QtVariantPropertyManager(self)

        self.variantManager.valueChangedSignal.connect(self.valueChanged)
        variantFactory = QtVariantEditorFactory(self)

        self.canvas = QtCanvas(800, 600)
        self.canvasView = CanvasView(self.canvas, self)
        self.setCentralWidget(self.canvasView)

        dock = QDockWidget(self)
        self.addDockWidget(Qt.RightDockWidgetArea, dock)

        self.propertyEditor = QtTreePropertyBrowser(dock)
        self.propertyEditor.setFactoryForManager(self.variantManager, variantFactory)
        dock.setWidget(self.propertyEditor)

        self.currentItem = QtCanvasItem(None)

        self.canvasView.itemClickedSignal.connect(self.itemClicked)
        self.canvasView.itemMovedSignal.connect(self.itemMoved)

        self.fillView()
        self.itemClicked(QtCanvasItem(None))