void AssociatedObject_GiveFeedback(object sender, GiveFeedbackEventArgs e)
{
if (this.adorner != null)
{
this.adorner.UpdatePosition(this.AssociatedObject.PointFromScreen(MouseHelper.GetMousePosition()));
}
}
private void MoveToCursorPosition()
{
var position = MouseHelper.GetMousePosition();
//Change coordinates to be more accurate and not to interfere user
this.Left = position.X + 10;
this.Top = position.Y - 120;
}
private void UserControl_GiveFeedback(object sender, GiveFeedbackEventArgs e)
{
if (dragControl != null)
{
var mousePosScreen = MouseHelper.GetMousePosition(); //mainWindow.MousePosition;
mainWindow.textBox_CustomQuestion.Text = mousePosScreen.X + "; " + mousePosScreen.Y;
//var mousePosDoc = Mouse.GetPosition(this);
//var mousePosScreen = this.PointToScreen(mousePosWindow);
var topLeft = mainWindow.PointFromScreen(new Point(mousePosScreen.X - mouseDownPos.X, mousePosScreen.Y - mouseDownPos.Y));
var botRight = mainWindow.PointFromScreen(new Point(mousePosScreen.X - mouseDownPos.X + dragControl.Width, mousePosScreen.Y - mouseDownPos.Y + dragControl.Height));
//docDragControl.Margin = new Thickness(mousePosWindow.X - mousePosDoc.X, mousePosWindow.Y - mousePosDoc.Y, gridMain.ActualWidth, 100);
//docDragControl.Margin = new Thickness(topLeft.X, topLeft.Y, mainWindow.ActualWidth - botRight.X, mainWindow.ActualHeight - botRight.Y);
//canvas.SetTop(docDragControl, topLeft.Y);
Canvas.SetLeft(dragControl, topLeft.X);
Canvas.SetTop(dragControl, topLeft.Y);
}
}
private void OnGiveFeedback(object sender, GiveFeedbackEventArgs e)
{
if (LinkPreviewBehavior.LinkPreview == null)
{
return;
}
// TODO cached this maybe. not efficient here
GraphAreaBase graphArea = AssociatedObject.FindVisualParentOfType <GraphAreaBase>();
ZoomControl zoomControl = graphArea.FindVisualParentOfType <ZoomControl>();
Vector halfsize = new Vector((double)(e.OriginalSource as UIElement).GetValue(FrameworkElement.WidthProperty) / 2.0,
(double)(e.OriginalSource as UIElement).GetValue(FrameworkElement.HeightProperty) / 2.0);
LinkPreviewBehavior.LinkPreview.SetCurrentValue(UIElement.IsEnabledProperty, true);
LinkPreviewBehavior.LinkPreview.Start = (e.OriginalSource as UIElement).TranslatePoint(new Point(0, 0), graphArea) + halfsize;
LinkPreviewBehavior.LinkPreview.End = zoomControl.TranslatePoint(MouseHelper.GetMousePosition(zoomControl), graphArea);
}
protected override void OnGiveFeedback(GiveFeedbackEventArgs e)
{
base.OnGiveFeedback(e);
if (this.adorner != null)
{
this.adorner.UpdatePosition(this.PointFromScreen(MouseHelper.GetMousePosition()));
}
if (e.Effects.HasFlag(DragDropEffects.Move))
{
Mouse.SetCursor(Cursors.Hand);
}
else
{
Mouse.SetCursor(Cursors.Arrow);
}
e.Handled = true;
}
public static Point GetMousePosition(UIElement zoomControl, UIElement area)
{
// Convert position from zoomcontrol space to graph space
return(zoomControl.TranslatePoint(MouseHelper.GetMousePosition(zoomControl), area));
}