private void plotter_PreviewMouseLeftButtonDown(object sender, MouseButtonEventArgs e)
{
// this will prevent other tools like PointSelector from
// wrong actuations
if (contextMenuOpen)
{
plotter.Focus();
e.Handled = true;
}
}
private void plotter_PreviewMouseRightButtonUp(object sender, MouseButtonEventArgs e)
{
Point position = e.GetPosition(plotter);
if (mousePos == position)
{
hitResults.Clear();
VisualTreeHelper.HitTest(plotter, null, CollectAllVisuals_Callback, new PointHitTestParameters(position));
dynamicMenuItems.Clear();
var dynamicItems = hitResults.Where(r =>
{
var items = GetPlotterContextMenu(r);
return(items != null && items.Count > 0);
}).SelectMany(r => GetPlotterContextMenu(r));
foreach (var item in dynamicItems)
{
dynamicMenuItems.Add(item);
}
staticMenuItems.AddMany(dynamicMenuItems);
plotter.Focus();
plotter.ContextMenu.IsOpen = true;
e.Handled = true;
}
}
protected virtual void StopPanning(MouseButtonEventArgs e)
{
Plotter2D.UndoProvider.CaptureNewValue(Plotter2D.Viewport, Viewport2D.VisibleProperty, Viewport.Visible);
Plotter2D.Focus();
ReleaseMouseCapture();
ClearValue(CursorProperty);
}
private void plotter_PreviewMouseRightButtonUp(object sender, MouseButtonEventArgs e)
{
Point position = e.GetPosition(plotter);
if (mousePos == position)
{
hitResults.Clear();
VisualTreeHelper.HitTest(plotter, null, CollectAllVisuals_Callback, new PointHitTestParameters(position));
foreach (var item in dynamicMenuItems)
{
staticMenuItems.Remove(item);
}
dynamicMenuItems.Clear();
var dynamicItems = (hitResults.Where(r =>
{
var items = GetPlotterContextMenu(r);
return(items != null && items.Count > 0);
}).SelectMany(r => GetPlotterContextMenu(r))).ToList();
foreach (var item in dynamicItems)
{
dynamicMenuItems.Add(item);
}
staticMenuItems.AddMany(dynamicMenuItems);
plotter.Focus();
plotter.ContextMenu.IsOpen = true;
e.Handled = true;
}
else
{
// this is to prevent showing menu when RMB was pressed, then moved and now is releasing.
e.Handled = true;
}
}