MenuItem Create(IMenuItem item, IMenuItemMetadata metadata, IMenuItemContext ctx, IInputElement commandTarget, MenuItem menuItem, bool isCtxMenu)
{
if (menuItem == null)
{
menuItem = new MenuItem();
}
menuItem.CommandTarget = commandTarget;
string header = ResourceHelper.GetString(item, metadata.Header);
string inputGestureText = ResourceHelper.GetString(item, metadata.InputGestureText);
string iconName = metadata.Icon;
var mi2 = item as IMenuItem2;
if (mi2 != null)
{
header = mi2.GetHeader(ctx) ?? header;
inputGestureText = mi2.GetInputGestureText(ctx) ?? inputGestureText;
iconName = mi2.GetIcon(ctx) ?? iconName;
menuItem.IsChecked = mi2.IsChecked(ctx);
}
menuItem.Header = header;
menuItem.InputGestureText = inputGestureText;
var cmdHolder = item as ICommandHolder;
bool lastIsEnabledCallValue = false;
if (!string.IsNullOrEmpty(iconName))
{
if (cmdHolder == null)
{
lastIsEnabledCallValue = item.IsEnabled(ctx);
}
else
{
var routedCommand = cmdHolder.Command as RoutedCommand;
lastIsEnabledCallValue = commandTarget == null || routedCommand == null || routedCommand.CanExecute(ctx, commandTarget);
}
imageManager.Add16x16Image(menuItem, item.GetType().Assembly, iconName, isCtxMenu, lastIsEnabledCallValue);
}
if (metadata.Guid != null)
{
var itemGuid = Guid.Parse(metadata.Guid);
List <MenuItemGroupMD> list;
if (guidToGroups.TryGetValue(itemGuid, out list))
{
menuItem.Items.Add(new MenuItem());
menuItem.SubmenuOpened += (s, e) => {
if (e.Source == menuItem)
{
InitializeSubMenu(menuItem, ctx, itemGuid, commandTarget, isCtxMenu);
}
};
menuItem.SubmenuClosed += (s, e) => {
if (e.Source == menuItem)
{
menuItem.Items.Clear();
menuItem.Items.Add(new MenuItem());
}
};
}
}
menuItem.Command = cmdHolder != null ? cmdHolder.Command : new RelayCommand(a => item.Execute(ctx), a => {
bool b = item.IsEnabled(ctx);
if (lastIsEnabledCallValue != b && !string.IsNullOrEmpty(iconName))
{
imageManager.Add16x16Image(menuItem, item.GetType().Assembly, iconName, isCtxMenu, lastIsEnabledCallValue = b);
}
return(b);
});
return(menuItem);
}
