protected override void OnMouseUp(MouseEventArgs e)
{
MapNode clickedNode = MapView.GetMapNodeFromPoint(e.Location);
if (DragDropHandler.IsDragging)
{
DragDropHandler.OnMouseDrop(e);
}
else if (MapView.FormatPainter.Active)
{
MapView.FormatPainter.ExecuteMouseClick(clickedNode);
}
else
{
if (clickedNode == null) // IF 'event is not over node' AND 'canvas is not dragged'
{
CanvasClick(e);
}
else
{
var args = new NodeMouseEventArgs(clickedNode.NodeView, e);
if (e.Button == System.Windows.Forms.MouseButtons.Right)
{
NodeRightClick(clickedNode, args);
IgnoreNextMouseMove = true;
}
else
{
NodeClick(clickedNode, args);
}
}
}
//base.OnMouseUp(e);
}
private DropLocation CalculateDropLocation(Point p)
{
MapNode node = MapView.GetMapNodeFromPoint(p);
if (node != null)
{
return(new DropLocation()
{
Parent = node, InsertAfterSibling = true
});
}
else
{
return(new DropLocation());
}
}
protected override void OnMouseMove(MouseEventArgs e)
{
if (IgnoreNextMouseMove)
{
IgnoreNextMouseMove = false;
return;
}
if (e.Button != System.Windows.Forms.MouseButtons.None && !MapView.NodeTextEditor.IsTextEditing)
{
DragDropHandler.OnMouseDrag(e);
}
else
{
MapNode node = MapView.GetMapNodeFromPoint(e.Location);
if (node != null)
{
NodeMouseMove?.Invoke(node, new NodeMouseEventArgs(node.NodeView, e));
if (node != mouseOverNode)
{
if (mouseOverNode != null)
{
NodeMouseExit(mouseOverNode, e);
}
mouseOverNode = node;
NodeMouseEnter(node, e);
}
}
else if (mouseOverNode != null)
{
NodeMouseExit(mouseOverNode, e);
mouseOverNode = null;
}
if (resetHoverEvent)
{
const uint HOVER_TIME = 200; // miliseconds
TRACKMOUSEEVENT trackMouseEvent = new TRACKMOUSEEVENT(TMEFlags.TME_HOVER, this.Handle, HOVER_TIME);
TrackMouseEvent(ref trackMouseEvent);
resetHoverEvent = false;
}
}
base.OnMouseMove(e);
}
private void DragStart(MouseEventArgs e)
{
MapNode node = MapView.GetMapNodeFromPoint(e.Location);
if (node == null)
{
this.dragObject = MapView.Canvas;
this.dragStartPoint = e.Location;
MapView.Canvas.Cursor = canvasDragCursor;
//MapView.Canvas.Cursor = Cursors.SizeAll;
}
else
{
this.dragObject = node;
NodeDragStart?.Invoke(node, new NodeMouseEventArgs(node.NodeView, e));
MapView.Canvas.Cursor = nodeDragCursor;
MapView.Canvas.KeyDown += Canvas_KeyDown;
}
}
protected override void OnMouseHover(EventArgs e)
{
resetHoverEvent = true;
if (DragDropHandler.IsDragging || MapView.FormatPainter.Active)
{
return;
}
Point clickPosition = this.PointToClient(Cursor.Position);
mouseOverNode = MapView.GetMapNodeFromPoint(clickPosition);
if (mouseOverNode != null)
{
NodeMouseEventArgs args = new NodeMouseEventArgs(mouseOverNode.NodeView,
new MouseEventArgs(System.Windows.Forms.MouseButtons.None, 0, clickPosition.X, clickPosition.Y, 0));
NodeMouseHover(mouseOverNode, args);
}
base.OnMouseHover(e);
}