public virtual XTreeMenuInfo GetMenu(XGetTreeMenuRequest request, IXExecutionContext context, XTreePageInfoStd treePage)
{
XTreeStructInfo treeStructInfo = treePage.TreeStruct;
XTreeLevelInfoIT treelevel = treeStructInfo.Executor.GetTreeLevel(treeStructInfo, request.Params, request.Path);
XTreeMenuInfo treemenu = treelevel.GetMenu(request, context);
if (treemenu == null)
{
treemenu = treePage.DefaultLevelMenu.GetMenu(treelevel, request, context);
}
return(treemenu);
}
/// <summary>
/// Возвращает описатель меню по метаданным
/// </summary>
/// <param name="xmlMenu">xml-узел i:level-menu,i:empty-tree-menu,i:default-level-menu</param>
/// <returns>Объект меню или null, если метаописание меню не содержит структуры (i:menu)</returns>
protected XTreeMenuInfo createMenuInfo(XmlElement xmlMenu)
{
XTreeMenuInfo menu = null;
XmlNamespaceManager nsMan = m_mdManager.NamespaceManager;
XTreeMenuCacheMode cacheMode;
string sValue = xmlMenu.GetAttribute("cache-for");
if (sValue.Length > 0)
{
cacheMode = XTreeMenuCacheModeParser.Parse(sValue);
}
else
{
cacheMode = XTreeMenuCacheMode.Unknow;
}
xmlMenu = (XmlElement)xmlMenu.SelectSingleNode("i:menu", nsMan);
if (xmlMenu != null)
{
string sCaption;
XmlNode node = xmlMenu.SelectSingleNode("i:caption/text() | @t", nsMan);
if (node != null)
{
sCaption = node.InnerText;
}
else
{
sCaption = String.Empty;
}
menu = new XTreeMenuInfo(sCaption);
// заполним коллекции обрабочиков
foreach (XmlElement xmlNode in xmlMenu.SelectNodes("i:macros-resolver", nsMan))
{
menu.MacroResolvers.Add(new XUserCodeWeb(xmlNode.InnerText, xmlNode.GetAttribute("mode") == "replace"));
}
foreach (XmlElement xmlNode in xmlMenu.SelectNodes("i:visibility-handler", nsMan))
{
menu.VisibilityHandlers.Add(new XUserCodeWeb(xmlNode.InnerText, xmlNode.GetAttribute("mode") == "replace"));
}
foreach (XmlElement xmlNode in xmlMenu.SelectNodes("i:execution-handler", nsMan))
{
menu.ExecutionHandlers.Add(new XUserCodeWeb(xmlNode.InnerText, xmlNode.GetAttribute("mode") == "replace"));
}
buildMenuItems(menu, xmlMenu);
menu.CacheMode = cacheMode;
}
return(menu);
}
public override XMenuItemBase Clone()
{
XTreeMenuInfo menu = new XTreeMenuInfo(this.Caption, this.Trustworthy);
menu.CacheMode = this.CacheMode;
menu.ExecutionHandlers.AddRange(this.ExecutionHandlers);
menu.VisibilityHandlers.AddRange(this.VisibilityHandlers);
menu.MacroResolvers.AddRange(this.MacroResolvers);
menu.Stylesheet = this.Stylesheet;
foreach (XMenuItemBase item in this.Items)
{
menu.Items.Add(item.Clone());
}
return(menu);
}
public XTreeMenuHandler CreateMenuHandler(XmlElement xmlLevelMenu)
{
XTreeMenuHandler menuHandler;
if (xmlLevelMenu == null)
{
menuHandler = XTreeMenuHandler.Empty;
}
else
{
XTreeMenuInfo menuInfo = createMenuInfo(xmlLevelMenu);
IXTreeLevelMenuDataProvider prv = getTreeLevelMenuDataProvider(xmlLevelMenu);
if (menuInfo == null && prv == null)
{
menuHandler = XTreeMenuHandler.Empty;
}
else
{
menuHandler = new XTreeMenuHandler(menuInfo, prv);
}
}
return(menuHandler);
}
public XTreeMenuHandler(XTreeMenuInfo menuMD, IXTreeLevelMenuDataProvider dataProvider)
{
m_menuMD = menuMD;
m_dataProvider = dataProvider;
}
