/// <summary>
/// Event raised on mouse up in the NetworkView.
/// </summary>
private void NetworkControl_MouseUp(object sender, MouseButtonEventArgs e)
{
NetworkView networkView = sender as NetworkView;
switch (mouseHandlingMode)
{
case MouseHandlingMode.None:
return;
case MouseHandlingMode.Zooming:
if (mouseButtonDown == MouseButton.Left)
{
// Shift + left-click zooms in on the content.
ZoomIn(origContentMouseDownPoint);
}
else if (mouseButtonDown == MouseButton.Right)
{
// Shift + left-click zooms out from the content.
ZoomOut(origContentMouseDownPoint);
}
break;
case MouseHandlingMode.DragZooming:
// When drag-zooming has finished we zoom in on the rectangle that was highlighted by the user.
ApplyDragZoomRect();
break;
case MouseHandlingMode.Panning:
//
// Panning was initiated but dragging was abandoned before the mouse
// cursor was dragged further than the threshold distance.
// This means that this basically just a regular left mouse click.
// Because it was a mouse click in empty space we need to clear the current selection.
//
break;
default:
break;
}
//
// Reenable clearing of selection when empty space is clicked.
// This is disabled when drag panning is in progress.
//
networkView.IsClearSelectionOnEmptySpaceClickEnabled = true;
//
// Reset the override cursor.
// This is set to a special cursor while drag panning is in progress.
//
Mouse.OverrideCursor = null;
networkView.ReleaseMouseCapture();
mouseHandlingMode = MouseHandlingMode.None;
e.Handled = true;
}