public void GenAllPathPosition(UIElementCollection children)
{
IEnumerable <PathPointNode> PathPointNodes = FindVisualChildren <PathPointNode>(this);
foreach (FrameworkElement control in children)
{
if (control is Panel)
{
GenAllPathPosition((control as Panel).Children);
}
if (control is ListBox)
{
GenAllPathPosition(FindVisualChildren <PathPointNode>(control));
}
if (control is PathPointNode)
{
PathPointNode node = control as PathPointNode;
if (node.MyPath != null)
{
Point relativeLocation = node.TranslatePoint(new Point(5, 5), LayoutRoot);
PathReDrawing(relativeLocation, node.MyPath.EndPathPosition, node.MyPath);
node.MyPath.StartPosition = relativeLocation;
}
if (node.ComePath != null)
{
Point relativeLocation = node.TranslatePoint(new Point(5, 5), LayoutRoot);
PathReDrawing(node.ComePath.StartPosition, relativeLocation, node.ComePath);
node.ComePath.EndPathPosition = relativeLocation;
}
}
}
}
public void StartPath(RakunModuleViewModel Start, ref PathPointNode node)
{
//UIElement container = VisualTreeHelper.GetParent(control) as UIElement;
Point relativeLocation = node.TranslatePoint(new Point(5, 5), LayoutRoot);
node.MyPath.StartPosition = relativeLocation;
node.MyPath.EndPathPosition = relativeLocation;
node.MyPath.Path.Stroke = node.Foreground;
isConnected = false;
MovingPath = node;
BeginnerPoint = Start;
MovingPath.MyPath.Visibility = System.Windows.Visibility.Visible;
if (node.NextPoint != null)
{
node.NextPoint.ComePath = null;
if (MovingPath.NextPoint != null)
{
MovingPath.NextPoint.Disconnect();
}
node.NextPoint = null;
}
}
private void GenAllPathPosition(System.Collections.IEnumerable enumerable)
{
System.Collections.IEnumerator e = enumerable.GetEnumerator();
while (e.MoveNext())
{
if (e.Current is PathPointNode)
{
PathPointNode node = e.Current as PathPointNode;
if (node.MyPath != null)
{
Point relativeLocation = node.TranslatePoint(new Point(5, 5), LayoutRoot);
PathReDrawing(relativeLocation, node.MyPath.EndPathPosition, node.MyPath);
node.MyPath.StartPosition = relativeLocation;
}
if (node.ComePath != null)
{
Point relativeLocation = node.TranslatePoint(new Point(5, 5), LayoutRoot);
PathReDrawing(node.ComePath.StartPosition, relativeLocation, node.ComePath);
node.ComePath.EndPathPosition = relativeLocation;
}
}
}
}
private void ObjectMouseMove(object sender, MouseEventArgs e)
{
/*
* In this event, at first we check the mouse left button state. If it is pressed and
* event sender object is similar with our moving object, we can move our control with
* some effects.
*/
if (e.LeftButton == MouseButtonState.Pressed)
{
if (MovingObject == null)
{
if (MovingPath != null)
{
Point NowActualPostion = e.GetPosition((MovingPath.MyPath.Path as FrameworkElement).Parent as FrameworkElement);
if (isConnected)
{
if (DestinationPoint != null)
{
Point relativeLocation = DestinationPoint.TranslatePoint(new Point(5, 5), LayoutRoot);
if (relativeLocation.X < NowActualPostion.X + 15 &&
relativeLocation.X > NowActualPostion.X - 15 &&
relativeLocation.Y < NowActualPostion.Y + 15 &&
relativeLocation.Y > NowActualPostion.Y - 15)
{
//MyPathStartPosition
PathReDrawing(MovingPath.MyPath.StartPosition, relativeLocation, MovingPath.MyPath);
MovingPath.MyPath.EndPathPosition = relativeLocation;
return;
}
}
isConnected = false;
DestinationPoint = null;
}
PathReDrawing(MovingPath.MyPath.StartPosition, NowActualPostion, MovingPath.MyPath);
MovingPath.MyPath.EndPathPosition = NowActualPostion;
}
return;
}
// We start to moving objects with setting the lines positions.
Path1.X1 = FirstArrowXPos;
Path1.Y1 = FirstArrowYPos;
Path1.X2 = e.GetPosition((MovingObject as FrameworkElement).Parent as FrameworkElement).X - FirstXPos;
Path1.Y2 = e.GetPosition((MovingObject as FrameworkElement).Parent as FrameworkElement).Y - FirstYPos;
Path2.X1 = Path1.X1 + (MovingObject as FrameworkElement).ActualWidth;
Path2.Y1 = Path1.Y1;
Path2.X2 = Path1.X2 + (MovingObject as FrameworkElement).ActualWidth;
Path2.Y2 = Path1.Y2;
Path3.X1 = Path1.X1;
Path3.Y1 = Path1.Y1 + (MovingObject as FrameworkElement).ActualHeight;
Path3.X2 = Path1.X2;
Path3.Y2 = Path1.Y2 + (MovingObject as FrameworkElement).ActualHeight;
Path4.X1 = Path1.X1 + (MovingObject as FrameworkElement).ActualWidth;
Path4.Y1 = Path1.Y1 + (MovingObject as FrameworkElement).ActualHeight;
Path4.X2 = Path1.X2 + (MovingObject as FrameworkElement).ActualWidth;
Path4.Y2 = Path1.Y2 + (MovingObject as FrameworkElement).ActualHeight;
FirstPosition.Width = (MovingObject as FrameworkElement).ActualWidth;
FirstPosition.Height = (MovingObject as FrameworkElement).ActualHeight;
FirstPosition.SetValue(Canvas.LeftProperty, FirstArrowXPos);
FirstPosition.SetValue(Canvas.TopProperty, FirstArrowYPos);
CurrentPosition.Width = (MovingObject as FrameworkElement).ActualWidth;
CurrentPosition.Height = (MovingObject as FrameworkElement).ActualHeight;
CurrentPosition.SetValue(Canvas.LeftProperty, Path1.X2);
CurrentPosition.SetValue(Canvas.TopProperty, Path1.Y2);
Path1.Visibility = System.Windows.Visibility.Visible;
Path2.Visibility = System.Windows.Visibility.Visible;
Path3.Visibility = System.Windows.Visibility.Visible;
Path4.Visibility = System.Windows.Visibility.Visible;
FirstPosition.Visibility = System.Windows.Visibility.Visible;
CurrentPosition.Visibility = System.Windows.Visibility.Visible;
/*
* For changing the position of a control, we should use the SetValue method to setting
* the Canvas.LeftProperty and Canvas.TopProperty dependencies.
*
* For calculating the currect position of the control, we should do :
* Current position of the mouse cursor on the object parent -
* Mouse position on the control at the start of moving -
* position of the control's parent.
*/
(MovingObject as FrameworkElement).SetValue(Canvas.LeftProperty,
e.GetPosition((MovingObject as FrameworkElement).Parent as FrameworkElement).X - FirstXPos);
(MovingObject as FrameworkElement).SetValue(Canvas.TopProperty,
e.GetPosition((MovingObject as FrameworkElement).Parent as FrameworkElement).Y - FirstYPos);
if (MovingObject is ModuleView)
{
GenAllPathPosition((MovingObject as ModuleView).LayoutRoot.Children);
}
}
}
