/// <summary>
/// Handles the XamContextMenu Opening event, verifies the element clicked is a CellControl
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
void ContextMenuOpening(object sender, OpeningEventArgs e)
{
List <CellControl> elements = e.GetClickedElements <CellControl>();
if (elements.Count == 0)
{
e.Cancel = true;
}
//Have to manually transfer menu args to my event args
var args = new ContextMenuOpeningEventArgs {
Cancel = e.Cancel, MouseClickLocation = e.MouseClickLocation
};
var firstOrDefault = elements.FirstOrDefault();
if (firstOrDefault != null)
{
args.Cell = firstOrDefault.Cell;
}
args.Menu = _contextMenuMgr.ContextMenu;
_contextMenuMgr.ContextMenu.DataContext = args.Cell.Row.Data;
//Cast here because 'Grid' will return the base XamGrid type
((XamGridEx)Grid).OnContextMenuOpening(this, args);
if (args.Cancel)
{
e.Cancel = true;
}
}
private void ContextMenu_Opening(object sender, OpeningEventArgs e)
{
var contextMenuManager = Infragistics.Controls.Menus.ContextMenuService.GetManager(AssociatedObject);
var contextMenu = contextMenuManager.ContextMenu;
List <CellValuePresenter> rows = e.GetClickedElements <CellValuePresenter>();
List <LabelPresenter> rowsHeader = e.GetClickedElements <LabelPresenter>();
if (rowsHeader != null && rowsHeader.Any())
{
var row = rowsHeader.First();
foreach (var item in headerMenuItems.OfType <XamMenuItem>())
{
item.Header = new Regex(@"([""'])(\\?.)*?\1").Replace(item.Header.ToString(), $"\"{row.Content.ToString()}\"");
item.CommandParameter = new HeaderCommandParameter
{
Grid = AssociatedObject,
Column = row.Content.ToString(),
ViewModel = ContextMenuHelper.GetViewModelName(AssociatedObject)
};
}
contextMenu.ItemsSource = headerMenuItems;
}
else if (rows != null && rows.Any())
{
contextMenu.ItemsSource = rowMenuItems;
}
else
{
var lst = headerMenuItems.Where(y => (string)y.Tag == ForceKey).ToList();
if (rowMenuItems != null)
{
if (lst.Any())
{
lst.Add(new XamMenuSeparator());
}
var items = rowMenuItems.Where(y => y.Tag != null && (string)y.Tag == ForceKey).ToList();
if (items.Any())
{
lst.AddRange(items);
}
if (lst.Any())
{
contextMenu.ItemsSource = lst;
}
else
{
contextMenu.IsOpen = false;
}
}
else
{
contextMenu.IsOpen = false;
}
}
}
