JorkController.java 文件源码

@Override
public ItemDragHelper.DragBounds getDragBounds() {
    final ObservableDoubleValue minX = new SimpleDoubleProperty(CanvasPresentation.GRID_SIZE);
    final ObservableDoubleValue maxX = getComponent().widthProperty().subtract(JorkPresentation.JORK_WIDTH + CanvasPresentation.GRID_SIZE);
    final ObservableDoubleValue minY = new SimpleDoubleProperty(ComponentPresentation.TOOL_BAR_HEIGHT + CanvasPresentation.GRID_SIZE);
    final ObservableDoubleValue maxY = getComponent().heightProperty().subtract(JorkPresentation.JORK_HEIGHT + CanvasPresentation.GRID_SIZE);
    return new ItemDragHelper.DragBounds(minX, maxX, minY, maxY);
}