protected void DragShapes()
{
Point delta = CurrentMousePosition.Delta(LastMousePosition);
Controller.DragSelectedElements(delta);
Controller.Canvas.Cursor = Cursors.SizeAll;
}
protected void DragShapes()
{
BaseController controller = serviceManager.Get <IFlowSharpCanvasService>().ActiveController;
controller.Canvas.Cursor = Cursors.SizeAll;
Point delta = CurrentMousePosition.Delta(LastMousePosition);
if (controller.SelectedElements.Count == 1 && controller.SelectedElements[0].IsConnector)
{
// Check both ends of any connector being moved.
if (!controller.SnapController.SnapCheck(GripType.Start, delta, (snapDelta) => controller.DragSelectedElements(snapDelta)))
{
if (!controller.SnapController.SnapCheck(GripType.End, delta, (snapDelta) => controller.DragSelectedElements(snapDelta)))
{
controller.DragSelectedElements(delta);
controller.SnapController.UpdateRunningDelta(delta);
}
}
}
else
{
controller.DragSelectedElements(delta);
controller.SnapController.UpdateRunningDelta(delta);
}
}
protected void DragAnchor()
{
Point delta = CurrentMousePosition.Delta(LastMousePosition);
bool connectorAttached = HoverShape.SnapCheck(SelectedAnchor, delta);
if (!connectorAttached)
{
HoverShape.DisconnectShapeFromConnector(SelectedAnchor.Type);
HoverShape.RemoveConnection(SelectedAnchor.Type);
}
}
protected void DragSelectionBox()
{
// Normalize the rectangle to a top-left, bottom-right rectangle.
int x = CurrentMousePosition.X.Min(StartSelectionPosition.X);
int y = CurrentMousePosition.Y.Min(StartSelectionPosition.Y);
int w = (CurrentMousePosition.X - StartSelectionPosition.X).Abs();
int h = (CurrentMousePosition.Y - StartSelectionPosition.Y).Abs();
Rectangle newRect = new Rectangle(x, y, w, h);
Point delta = CurrentMousePosition.Delta(LastMousePosition);
Controller.UpdateDisplayRectangle(SelectionBox, newRect, delta);
}
protected void DragSelectionBox()
{
BaseController controller = serviceManager.Get <IFlowSharpCanvasService>().ActiveController;
// Normalize the rectangle to a top-left, bottom-right rectangle.
int x = CurrentMousePosition.X.Min(StartSelectionPosition.X);
int y = CurrentMousePosition.Y.Min(StartSelectionPosition.Y);
int w = (CurrentMousePosition.X - StartSelectionPosition.X).Abs();
int h = (CurrentMousePosition.Y - StartSelectionPosition.Y).Abs();
Rectangle newRect = new Rectangle(x, y, w, h);
Point delta = CurrentMousePosition.Delta(LastMousePosition);
controller.UpdateDisplayRectangle(SelectionBox, newRect, delta);
}
protected void DragAnchor()
{
BaseController controller = serviceManager.Get <IFlowSharpCanvasService>().ActiveController;
Point delta = CurrentMousePosition.Delta(LastMousePosition);
GraphicElement hoverShape = HoverShape;
ShapeAnchor selectedAnchor = SelectedAnchor;
if (!controller.SnapController.SnapCheck(selectedAnchor.Type, delta, (snapDelta) => hoverShape.UpdateSize(selectedAnchor, snapDelta)))
{
hoverShape.UpdateSize(selectedAnchor, delta);
controller.SnapController.UpdateRunningDelta(delta);
}
}
protected virtual void DragCanvas()
{
Point delta = CurrentMousePosition.Delta(LastMousePosition);
Controller.Canvas.Cursor = Cursors.SizeAll;
// Pick up every object on the canvas and move it.
// This does not "move" the grid.
Controller.MoveAllElements(delta);
// Conversely, we redraw the grid and invalidate, which forces all the elements to redraw.
//canvas.Drag(delta);
//elements.ForEach(el => el.Move(delta));
//canvas.Invalidate();
}
protected void DragShapes()
{
// controller.Canvas.Cursor = Cursors.SizeAll;
Point delta = CurrentMousePosition.Delta(LastMousePosition);
/* if (controller.SelectedElements.Count == 1 && controller.SelectedElements[0].IsConnector)
* {
* // Check both ends of any connector being moved.
* if (!controller.SnapController.SnapCheck(GripType.Start, delta, (snapDelta) => controller.DragSelectedElements(snapDelta)))
* {
* if (!controller.SnapController.SnapCheck(GripType.End, delta, (snapDelta) => controller.DragSelectedElements(snapDelta)))
* {
* controller.DragSelectedElements(delta);
* controller.SnapController.UpdateRunningDelta(delta);
* }
* }
* }*/
//else
{
canvascontroller.DragSelectedElements(CurrentMousePosition);
// controller.SnapController.UpdateRunningDelta(delta);
}
}
protected bool MouseHasReallyMoved()
{
return(CurrentMousePosition.Delta(LastMousePosition) != Point.Empty);
}
protected virtual void HandleEvent(MouseAction action)
{
//Trace.WriteLine("Route:HandleEvent:" + CurrentButtons.ToString());
CurrentMousePosition = action.MouseEventArgs.GetPosition(canvas);
// CurrentButtons = Control.MouseButtons;
// Issue #39: Mouse Move event fires even for button press when mouse hasn't moved!
IEnumerable <MouseRouter> routes = router.Where(r => (action.MouseEvent != MouseEvent.MouseMove && r.MouseEvent == action.MouseEvent) ||
((action.MouseEvent == MouseEvent.MouseMove && r.MouseEvent == action.MouseEvent)));
routes.ForEach(r =>
{
Trace.WriteLine("Route:Executing Route:" + r.RouteName.ToString() + " " + CurrentMousePosition.ToString());
r.Debug?.Invoke();
// Test condition every time after executing a route handler, as the handler may change state for the next condition.
if (r.Condition())
{
Trace.WriteLine("Route:Executing Route:" + r.RouteName.ToString());
r.Action(action.MouseEventArgs);
}
else
{
r.Else?.Invoke();
}
});
}
/// <summary>
/// Draw the debug information.
/// </summary>
/// <param name="shapeDrawer">Uses the shapedrawer to draw the debug string.</param>
public static void DrawGUI(ShapeDrawer shapeDrawer)
{
if (initialized && Debug)
{
int h = (int)shapeDrawer.Font.MeasureString("A").Y;
shapeDrawer.DrawString(10, 10, StateManager.DrawColor, "Mouse Position: " + CurrentMousePosition.ToString());
}
}
