/// <summary>
/// 显示用户控件，并隐藏前一个显示的用户控件。因此，必须确保当前显示的用户控件是在ContentQueue的最后一个。
/// </summary>
/// <param name="content">当前要呈现的用户控件。</param>
private void ShowContent(UserControl content)
{
content.Loaded += frameworkElement_Loaded;
if (ContentQueue.Count > 0) // 隐藏前一个，显示当前控件
{
ContentQueue[ContentQueue.Count - 1].Visibility = System.Windows.Visibility.Hidden;
content.Visibility = System.Windows.Visibility.Visible;
}
if (ContentQueue.Contains(content)) // 如果包含当前控件，则将其移到最后一个
{
ContentQueue.Remove(content);
ContentQueue.Add(content);
}
else
{
// 如果没有包含当前控件，则直接添加到最后一个并显示
ContentQueue.Add(content);
LayoutDockPanel.Children.Add(content);
}
if (SideBars.ContainsKey(content))
{
var control = SideBars[content];
var settings = SideBarSettings[control];
ShowSidebar(control, settings.Item1, settings.Item2);
}
}
private void ResetNavigation()
{
if (BundleRuntime.Instance.State == BundleRuntimeState.Stopping)
{
return;
}
Action resetNavigation = () =>
{ // 重新初始化TreeView
SkinUserControl = new Settings();
WelcomeControl = new Introduction();
LayoutDockPanel.Children.Clear();
ContentQueue.Clear();
OpenedPagesCache.Clear();
HideSidebar();
SideBars.Clear();
SideBarSettings.Clear();
TreeViewItemSelectionQueue.Clear();
TopTreeViewItemNavigationNodeTuples.Clear();
NavigationTreeView.Items.Clear();
InitializeNavigationTreeView();
if (BundleActivator.PermissionServiceTracker.IsServiceAvailable)
{
SetCurrentUser(BundleActivator.PermissionServiceTracker.DefaultOrFirstService.CurrentUserName);
}
ShowContent(WelcomeControl);
};
Dispatcher.Invoke(resetNavigation); // 由界面代理线程来执行UI更新。
}
public ActionResult DeleteConfirmed(int id)
{
SideBars sidebars = db.SideBars.Find(id);
db.SideBars.Remove(sidebars);
db.SaveChanges();
return(RedirectToAction("Index"));
}
//
// GET: /SideBar/Delete/5
public ActionResult Delete(int id = 0)
{
SideBars sidebars = db.SideBars.Find(id);
if (sidebars == null)
{
return(HttpNotFound());
}
return(View(sidebars));
}
public ActionResult Edit(SideBars sidebars)
{
if (ModelState.IsValid)
{
db.Entry(sidebars).State = EntityState.Modified;
db.SaveChanges();
return(RedirectToAction("Index"));
}
return(View(sidebars));
}
public ActionResult Edit([Bind(Include = "Id,Name,Controller,Action")] SideBars sideBars)
{
if (ModelState.IsValid)
{
db.Entry(sideBars).State = EntityState.Modified;
db.SaveChanges();
return(RedirectToAction("Index"));
}
return(View(sideBars));
}
public ActionResult Create(SideBars sidebars)
{
if (ModelState.IsValid)
{
db.SideBars.Add(sidebars);
db.SaveChanges();
return(RedirectToAction("Index"));
}
return(View(sidebars));
}
public ActionResult Create([Bind(Include = "Id,Name,Controller,Action")] SideBars sideBars)
{
if (ModelState.IsValid)
{
db.SideBars.Add(sideBars);
db.SaveChanges();
return(RedirectToAction("Index"));
}
return(View(sideBars));
}
public ActionResult Create([Bind(Include = "Id,Name,Controller,Action,CreateTime,IsRemove")] SideBars sideBars)
{
if (ModelState.IsValid)
{
sideBars.Id = Guid.NewGuid();
db.sideBars.Add(sideBars);
db.SaveChanges();
return(RedirectToAction("Index"));
}
return(View(sideBars));
}
// GET: SideBars/Delete/5
public ActionResult Delete(int?id)
{
if (id == null)
{
return(new HttpStatusCodeResult(HttpStatusCode.BadRequest));
}
SideBars sideBars = db.SideBars.Find(id);
if (sideBars == null)
{
return(HttpNotFound());
}
return(View(sideBars));
}
