public void ShowContextMenuForNodeControl(Point location, NodeControl nodeControl)
{
ParentNode = nodeControl;
Canvas.SetLeft(this, location.X);
Canvas.SetTop(this, location.Y);
Visibility = Visibility.Visible;
if (App.UserStyle == UserStyle.Author)
{
AuthorContextMenu.Visibility = Visibility.Visible;
AuthorContextMenu.Focus();
}
else
{
ViewerContextMenu.Visibility = Visibility.Visible;
ViewerContextMenu.Focus();
ViewerContextMenu.Rating.DataContext = ParentNode.ViewModelNode.NodeProperties;
}
}
private static void OnContextMenuOpening(object sender, ContextMenuEventArgs e)
{
DocumentGrid documentGrid = sender as DocumentGrid;
ContextMenu contextMenu;
if (documentGrid == null)
{
return;
}
// We only want to programmatically generate the menu for Mongoose
if (!(documentGrid.DocumentViewerOwner is DocumentApplicationDocumentViewer))
{
return;
}
// If the DocumentViewer or ScrollViewer has a ContextMenu set, the DocumentGrid menu should be ignored
if (documentGrid.DocumentViewerOwner.ContextMenu != null || documentGrid.DocumentViewerOwner.ScrollViewer.ContextMenu != null)
{
return;
}
// Start by grabbing whatever's set to the UiScope's ContextMenu property.
contextMenu = documentGrid.ContextMenu;
// If someone explicitly set it null -- don't mess with it.
if (documentGrid.ReadLocalValue(FrameworkElement.ContextMenuProperty) == null)
{
return;
}
// If it's not null, someone's overriding our default -- don't mess with it.
if (contextMenu != null)
{
return;
}
// It's a default null, so spin up a temporary ContextMenu now.
contextMenu = new ViewerContextMenu();
contextMenu.Placement = PlacementMode.RelativePoint;
contextMenu.PlacementTarget = documentGrid;
((ViewerContextMenu)contextMenu).AddMenuItems(documentGrid, e.UserInitiated);
Point uiScopeMouseDownPoint;
if (e.CursorLeft == KeyboardInvokedSentinel)
{
uiScopeMouseDownPoint = new Point(.5 * documentGrid.ViewportWidth, .5 * documentGrid.ViewportHeight);
}
else
{
uiScopeMouseDownPoint = Mouse.GetPosition(documentGrid);
}
contextMenu.HorizontalOffset = uiScopeMouseDownPoint.X;
contextMenu.VerticalOffset = uiScopeMouseDownPoint.Y;
// This line raises a public event.
contextMenu.IsOpen = true;
e.Handled = true;
}
private static void OnContextMenuOpening(object sender, ContextMenuEventArgs e)
{
DocumentGrid documentGrid = sender as DocumentGrid;
ContextMenu contextMenu;
if (documentGrid == null)
{
return;
}
// We only want to programmatically generate the menu for Mongoose
if (!(documentGrid.DocumentViewerOwner is DocumentApplicationDocumentViewer))
return;
// If the DocumentViewer or ScrollViewer has a ContextMenu set, the DocumentGrid menu should be ignored
if (documentGrid.DocumentViewerOwner.ContextMenu != null || documentGrid.DocumentViewerOwner.ScrollViewer.ContextMenu != null)
return;
// Start by grabbing whatever's set to the UiScope's ContextMenu property.
contextMenu = documentGrid.ContextMenu;
// If someone explicitly set it null -- don't mess with it.
if (documentGrid.ReadLocalValue(FrameworkElement.ContextMenuProperty) == null)
return;
// If it's not null, someone's overriding our default -- don't mess with it.
if (contextMenu != null)
return;
// It's a default null, so spin up a temporary ContextMenu now.
contextMenu = new ViewerContextMenu();
contextMenu.Placement = PlacementMode.RelativePoint;
contextMenu.PlacementTarget = documentGrid;
((ViewerContextMenu)contextMenu).AddMenuItems(documentGrid, e.UserInitiated);
Point uiScopeMouseDownPoint;
if (e.CursorLeft == KeyboardInvokedSentinel)
{
uiScopeMouseDownPoint = new Point(.5 * documentGrid.ViewportWidth, .5 * documentGrid.ViewportHeight);
}
else
{
uiScopeMouseDownPoint = Mouse.GetPosition(documentGrid);
}
contextMenu.HorizontalOffset = uiScopeMouseDownPoint.X;
contextMenu.VerticalOffset = uiScopeMouseDownPoint.Y;
// This line raises a public event.
contextMenu.IsOpen = true;
e.Handled = true;
}
