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; }