protected internal virtual void OnItemListMenuDisplaying(RadPageViewMenuDisplayingEventArgs e)
{
if (!this.CanRaiseEvents)
{
return;
}
EventHandler <RadPageViewMenuDisplayingEventArgs> eventHandler = this.Events[RadPageView.ItemListMenuDisplayingEventKey] as EventHandler <RadPageViewMenuDisplayingEventArgs>;
if (eventHandler == null)
{
return;
}
eventHandler((object)this, e);
}
protected internal virtual void OnItemListMenuDisplaying(RadPageViewMenuDisplayingEventArgs e)
{
if (!this.CanRaiseEvents)
{
return;
}
EventHandler <RadPageViewMenuDisplayingEventArgs> eh = this.Events[ItemListMenuDisplayingEventKey] as EventHandler <RadPageViewMenuDisplayingEventArgs>;
if (eh != null)
{
eh(this, e);
}
}
/// <summary>
///
/// </summary>
/// <param name="e"></param>
protected internal virtual void DisplayItemListMenu(RadPageViewMenuDisplayingEventArgs e)
{
if (this.owner != null)
{
this.owner.OnItemListMenuDisplaying(e);
}
if (e.Cancel)
{
return;
}
foreach (RadMenuItemBase menuItem in e.Items)
{
this.itemListMenu.Items.Add(menuItem);
}
this.itemListMenu.DropDown.HorizontalPopupAlignment = e.HAlign;
this.itemListMenu.DropDown.VerticalPopupAlignment = e.VAlign;
RadControl parent = (this.ElementTree.Control as RadControl);
if (parent != null)
{
this.itemListMenu.ThemeName = parent.ThemeName;
}
if (!this.itemListMenu.DropDown.IsLoaded)
{
this.itemListMenu.DropDown.LoadElementTree();
}
else
{
this.itemListMenu.DropDown.RootElement.UpdateLayout();
}
this.itemListMenu.DropDown.RightToLeft = (this.RightToLeft) ? System.Windows.Forms.RightToLeft.Yes : System.Windows.Forms.RightToLeft.No;
this.itemListMenu.DropDown.ShowPopup(e.AlignRect);
if (this.owner != null)
{
this.owner.OnItemListMenuDisplayed(EventArgs.Empty);
}
}
/// <summary>
/// Displays the item list menu, using the provided element as menu's owner and the specified horizontal and vertical alignment.
/// </summary>
/// <param name="menuOwner"></param>
/// <param name="hAlign"></param>
/// <param name="vAlign"></param>
public void DisplayItemListMenu(RadPageViewElementBase menuOwner, HorizontalPopupAlignment hAlign, VerticalPopupAlignment vAlign)
{
if (this.ElementState != ElementState.Loaded)
{
return;
}
if (this.itemListMenu.DropDown.IsDisplayed)
{
this.itemListMenu.DropDown.ClosePopup(RadPopupCloseReason.CloseCalled);
}
List <RadMenuItemBase> menuItems = new List <RadMenuItemBase>();
foreach (RadPageViewItem item in this.items)
{
if (item.Visibility == ElementVisibility.Collapsed)
{
continue;
}
RadMenuItem menuItem = new RadMenuItem(item.Text);
menuItem.Image = item.Image;
menuItem.Click += this.OnItemListMenuItem_Click;
menuItem.Tag = item;
if (item == this.selectedItem)
{
menuItem.IsChecked = true;
}
menuItems.Add(menuItem);
}
Rectangle alignRect = this.ElementTree.Control.RectangleToScreen(menuOwner.ControlBoundingRectangle);
RadPageViewMenuDisplayingEventArgs e = new RadPageViewMenuDisplayingEventArgs(menuItems, alignRect, hAlign, vAlign);
this.DisplayItemListMenu(e);
}