Esempio n. 1
0
        /// <summary>
        /// Adds the input modes that handle the resizing and movement of the rectangular area.
        /// </summary>
        /// <param name="inputMode"></param>
        private void AddClearRectInputModes(MultiplexingInputMode inputMode)
        {
            // create handles for interactively resizing the rectangle
            var rectangleHandles = new RectangleReshapeHandleProvider(clearRect)
            {
                MinimumSize = new SizeD(10, 10)
            };

            // create a mode that deals with the handles
            var handleInputMode = new HandleInputMode {
                Priority = 1
            };

            // add it to the graph editor mode
            inputMode.Add(handleInputMode);

            // now the handles
            var inputModeContext = Contexts.CreateInputModeContext(handleInputMode);

            handleInputMode.Handles = new DefaultObservableCollection <IHandle> {
                rectangleHandles.GetHandle(inputModeContext, HandlePositions.NorthEast),
                rectangleHandles.GetHandle(inputModeContext, HandlePositions.NorthWest),
                rectangleHandles.GetHandle(inputModeContext, HandlePositions.SouthEast),
                rectangleHandles.GetHandle(inputModeContext, HandlePositions.SouthWest),
            };

            // create a mode that allows for dragging the rectangle at the sides
            var moveInputMode = new MoveInputMode {
                PositionHandler = new RectanglePositionHandler(clearRect),
                HitTestable     = HitTestables.Create((context, location) => clearRect.Contains(location)),
                Priority        = 41
            };

            // handle dragging the rectangle
            moveInputMode.DragStarting += OnDragStarting;
            moveInputMode.Dragged      += OnDragged;
            moveInputMode.DragCanceled += OnDragCanceled;
            moveInputMode.DragFinished += OnDragFinished;

            // handle resizing the rectangle
            handleInputMode.DragStarting += OnDragStarting;
            handleInputMode.Dragged      += OnDragged;
            handleInputMode.DragCanceled += OnDragCanceled;
            handleInputMode.DragFinished += OnDragFinished;

            // add it to the edit mode
            inputMode.Add(moveInputMode);
        }
Esempio n. 2
0
        /// <summary>
        /// Adds the view modes that handle the resizing and movement of the export rectangle.
        /// </summary>
        /// <param name="inputMode"></param>
        private void AddExportRectInputModes(MultiplexingInputMode inputMode)
        {
            // create handles for interactivel resizing the export rectangle
            var rectangleHandles = new RectangleReshapeHandleProvider(exportRect)
            {
                MinimumSize = new SizeD(1, 1)
            };

            // create a mode that deals with the handles
            var exportHandleInputMode = new HandleInputMode {
                Priority = 1
            };

            // add it to the graph editor mode
            inputMode.Add(exportHandleInputMode);

            // now the handles
            var inputModeContext = Contexts.CreateInputModeContext(exportHandleInputMode);

            exportHandleInputMode.Handles = new DefaultObservableCollection <IHandle>
            {
                rectangleHandles.GetHandle(inputModeContext, HandlePositions.NorthEast),
                rectangleHandles.GetHandle(inputModeContext, HandlePositions.NorthWest),
                rectangleHandles.GetHandle(inputModeContext, HandlePositions.SouthEast),
                rectangleHandles.GetHandle(inputModeContext, HandlePositions.SouthWest),
            };

            // create a mode that allows for dragging the export rectangle at the sides

            var moveInputMode = new MoveInputMode
            {
                PositionHandler = new ExportRectanglePositionHandler(exportRect),
                HitTestable     = HitTestables.Create(
                    (context, location) => {
                    var path = new GeneralPath(5);
                    path.AppendRectangle(exportRect, false);
                    return(path.PathContains(location, context.HitTestRadius));
                }),
                Priority = 41
            };

            // add it to the edit mode
            inputMode.Add(moveInputMode);
        }