private static void workspaceCanvas_MouseMove(object sender, MouseEventArgs e)
{
mouseLastPos = new PointF((float)(e.GetPosition(workspaceCanvas).X), (float)(e.GetPosition(workspaceCanvas).Y));
switch (mWInst.workspaceCondition)
{
case MainWindow.WorkspaceConditions.fromParentToHeirRelationPositioniong:
workspaceCanvas.Children.Remove(curDrawingPoyline);
Border curManipCanvBorder = (Border)curManipulatingCanvas.Parent;
PointF p0 = new PointF((float)(Canvas.GetLeft(curManipCanvBorder) + .5f * curManipCanvBorder.ActualWidth), (float)(Canvas.GetTop(curManipCanvBorder)));
PointF p1 = new PointF((float)(Canvas.GetLeft(curManipCanvBorder) + .5f * curManipCanvBorder.ActualWidth), (float)(Canvas.GetTop(curManipCanvBorder) + curManipCanvBorder.ActualHeight));
PointF p2 = mouseLastPos;
if (canvasOnHover != null)
{
Ellipse pivotParentEllipse = GetCanvasNodeData(canvasOnHover).parentPivot;
p2 = new PointF((float)(Canvas.GetLeft(pivotParentEllipse) + pivotParentEllipse.ActualWidth * .5f), (float)(Canvas.GetTop(pivotParentEllipse) + pivotParentEllipse.ActualHeight * .5f));
}
curDrawingPoyline = RelationsDrawer.ConstructPolyline(p0, p1, p2, new PointF {
X = p2.X, Y = p2.Y + 50
});
workspaceCanvas.Children.Add(curDrawingPoyline);
break;
default:
break;
}
}
static void RepaintNodeShapes(Canvas nodeCanvas)
{
Border nodeCanvasBorder = (Border)nodeCanvas.Parent;
RemoveNodeShapes(nodeCanvas);
NodeCanvasData ncDInst = GetCanvasNodeData(nodeCanvas);
Node node = ncDInst.node;
Border rectBorder = new Border()
{
CornerRadius = new CornerRadius(2), BorderThickness = new Thickness(1), BorderBrush = System.Windows.Media.Brushes.Black
};
System.Windows.Shapes.Rectangle heirsPivotRect = new System.Windows.Shapes.Rectangle()
{
Stroke = new SolidColorBrush(Colors.Black), Fill = new SolidColorBrush(Colors.IndianRed), Width = 25, Height = 25
};
Canvas.SetLeft(rectBorder, Canvas.GetLeft(nodeCanvasBorder) + .5f * nodeCanvasBorder.ActualWidth - 12.5f);
Canvas.SetTop(rectBorder, Canvas.GetTop(nodeCanvasBorder) + nodeCanvasBorder.ActualHeight);
heirsPivotRect.MouseEnter += new MouseEventHandler(canvasRedRect_MouseEnter);
heirsPivotRect.MouseLeave += new MouseEventHandler(canvasRedRect_MouseLeave);
heirsPivotRect.MouseLeftButtonDown += new MouseButtonEventHandler(canvasRedRect_LeftMouseDown);
heirsPivotRect.MouseRightButtonDown += new MouseButtonEventHandler(canvasRedRect_RightMouseDown);
rectBorder.Child = heirsPivotRect;
workspaceCanvas.Children.Add(rectBorder);
Canvas.SetZIndex(rectBorder, 10000);
ncDInst.heirsPivot = heirsPivotRect;
Ellipse parentPivotEllipse = new Ellipse()
{
Stroke = new SolidColorBrush(Colors.Black), Fill = new SolidColorBrush(Colors.CadetBlue), Width = 25, Height = 25
};
Canvas.SetLeft(parentPivotEllipse, Canvas.GetLeft(nodeCanvasBorder) + .5f * nodeCanvas.Width - 12.5f);
Canvas.SetTop(parentPivotEllipse, Canvas.GetTop(nodeCanvasBorder) - 25);
workspaceCanvas.Children.Add(parentPivotEllipse);
Canvas.SetZIndex(parentPivotEllipse, 20000);
ncDInst.parentPivot = parentPivotEllipse;
if (node.heirs != null && node.heirs.Count > 0)
{
List <Canvas> heirsCanvases = new List <Canvas>();
foreach (Heir heir in node.heirs)
{
heirsCanvases.Add(curNodesOnLayout.Where(el => el.Value.node.Equals(heir.heirNode)).ToArray()[0].Key);
}
for (int i = 0; i < heirsCanvases.Count; i++)
{
Border heirCanvBorder = (Border)heirsCanvases[i].Parent;
Polyline newPLine;
PointF p0, p1, p2, p3;
p1 = new PointF((float)(Canvas.GetLeft(nodeCanvasBorder) + .5f * nodeCanvasBorder.ActualWidth), (float)(Canvas.GetTop(nodeCanvasBorder) + nodeCanvasBorder.ActualHeight + ncDInst.heirsPivot.ActualHeight * .5f));
p2 = new PointF((float)(Canvas.GetLeft(heirCanvBorder) + .5f * (heirCanvBorder).ActualWidth), (float)(Canvas.GetTop(heirCanvBorder) - GetCanvasNodeData(heirsCanvases[i]).parentPivot.ActualHeight * .5f));
if (!nodeCanvasBorder.Equals(heirCanvBorder))
{
p0 = new PointF(p1.X, (float)Canvas.GetTop(nodeCanvasBorder));
p3 = new PointF(p2.X, (float)(Canvas.GetTop(heirCanvBorder) + (heirCanvBorder).ActualHeight));
newPLine = RelationsDrawer.ConstructPolyline(p0, p1, p2, p3);
}
else
{
p0 = new PointF(p1.X, p1.Y - 100f);
p3 = new PointF(p2.X, p2.Y + 100f);
newPLine = RelationsDrawer.ConstructPolyline(p0, p1, p2, p3, true);
}
int midIndex = (int)(newPLine.Points.Count * .5f);
AddArrowsToPolyline(newPLine);
newPLine.MouseEnter += new MouseEventHandler(relation_MouseEnter);
newPLine.MouseLeave += new MouseEventHandler(relation_MouseLeave);
System.Windows.Point textBlockPos = newPLine.Points.ToArray()[midIndex];
Border tmpBorder = (Border)GetBranchTextBlock(nodeCanvas, heirsCanvases[i]).Parent;
Canvas.SetLeft(tmpBorder, textBlockPos.X - tmpBorder.ActualWidth * .5f);
Canvas.SetTop(tmpBorder, textBlockPos.Y);
ncDInst.relations.Add(newPLine);
workspaceCanvas.Children.Add(newPLine);
Canvas.SetZIndex(newPLine, 0);
}
}
}