/// <summary>
/// 删除菜单项，及其所有子项
/// </summary>
/// <param name="code"></param>
public void Delete(MenuEntity entity)
{
Debug.Assert(entity != null, "menuEntity 为 null");
if (entity == null)
{
return;
}
//移除索引信息
XElement element = _indexXml.XPathSelectElement(String.Format(XPATH_Index_SelectMenuStrip, entity.Id));
Debug.Assert(element != null, "删除主菜单索引时未找到指定主菜单的索引记录");
if (element != null)
{
element.Remove();
SaveIndexFile();
//移除实体文件
_packageService.Current.DeleteFile(Path.Combine(Constant.PACKAGE_NAVIGATION_MENUSTRIP_FOLDER, entity.Id));
_cachingService.Remove(entity.Id);
//通过递归删除所有子菜单项
DeleteChild(entity.Id);
//发布事件
MenuStripEventArgs args = new MenuStripEventArgs(entity);
_eventAggregator.GetEvent <MenuStripItemRemovedEvent>().Publish(args);
}
}
/// <summary>
/// 更新（编辑）一个菜单项
/// </summary>
/// <param name="entity"></param>
public void Update(MenuEntity entity)
{
Debug.Assert(entity != null, "mainMenuEntity 为 null");
if (entity == null)
{
return;
}
//更新索引信息
XElement element = _indexXml.XPathSelectElement(String.Format(XPATH_Index_SelectMenuStrip, entity.Id));
Debug.Assert(element != null, "更新主菜单索引时未找到指定主菜单的索引记录");
if (element != null)
{
element.ReplaceWith(GetArchiveIndex(entity));
SaveIndexFile();
string xml = entity.ToXml();
XElement xElement = XElement.Parse(xml);
//更新实体文件
_packageService.Current.AddFileContent(xml,
Path.Combine(Constant.PACKAGE_NAVIGATION_MENUSTRIP_FOLDER, entity.Id));
_cachingService.Add(entity.Id, xElement);
//发布事件
MenuStripEventArgs args = new MenuStripEventArgs(entity);
_eventAggregator.GetEvent <MenuStripItemUpdatedEvent>().Publish(args);
}
}
/// <summary>
/// 添加一个菜单项
/// </summary>
/// <param name="entity"></param>
public void Add(MenuEntity entity)
{
Debug.Assert(entity != null, "MenuEntity 为 null");
if (entity == null)
{
return;
}
//添加索引信息
_indexXml.XPathSelectElement(XPATH_Index_MenuStrip).Add(GetArchiveIndex(entity));
SaveIndexFile();
string xml = entity.ToXml();
XElement xElement = XElement.Parse(xml);
//添加数据实体文件
_packageService.Current.AddFileContent(xml,
Path.Combine(Constant.PACKAGE_NAVIGATION_MENUSTRIP_FOLDER, entity.Id));
_cachingService.Add(entity.Id, xElement);
//发布事件
MenuStripEventArgs args = new MenuStripEventArgs(entity);
_eventAggregator.GetEvent <MenuStripItemAddedEvent>().Publish(args);
}
