//菜单点击事件
private void Menu_Click(object sender, RoutedEventArgs e)
{
try
{
MainMenuModel main = (sender as RadButton).Tag as MainMenuModel;
if (main.ClassName != "")
{
string assemblyName = main.Assembly; //所属程序集
string className = main.ClassName; //类名
Assembly ass = Assembly.Load(assemblyName);
Type pageType = ass.GetType(className);
if (_openPageName.Any(s => s == pageType.Name))
{
//如果已经存在，则不需要新建，直接激活
int pageIndex = _openPageName.IndexOf(pageType.Name);
mainView.MaximizedItem = mainView.Items[pageIndex];
}
else
{
Frame f = new Frame();
f.NavigationUIVisibility = System.Windows.Navigation.NavigationUIVisibility.Hidden;
BusinessBasePage businessPage = (BusinessBasePage)Activator.CreateInstance(pageType);
f.Name = pageType.Name;
f.Content = businessPage.Title;
f.Navigate(businessPage);
RadTileViewItem rtvi = new RadTileViewItem();
rtvi.SizeChanged += rtvi_SizeChanged;
rtvi.Name = pageType.Name;
TileItemTitle tit = new TileItemTitle();
tit.name = businessPage.Title;
tit.Fontsize = 18;
rtvi.DataContext = tit;
rtvi.Content = f;
mainView.Items.Add(rtvi);
mainView.MaximizedItem = mainView.Items[mainView.Items.Count - 1];
_openPageName.Add(pageType.Name);
//只有超过一个界面打开的情况下才需要分两列显示
if (_openPageName.Count > 1)
{
mainView.ColumnsCount = 2;
}
else
{
mainView.ColumnsCount = 1;
}
}
}
}
catch (Exception ex)
{
DialogManager.ShowMessageAsync(Application.Current.MainWindow as MetroWindow, UIResources.MsgInfo, ex.ToString(), MessageDialogStyle.Affirmative, null);
}
}
void rtvi_SizeChanged(object sender, SizeChangedEventArgs e)
{
RadTileViewItem rtvi = sender as RadTileViewItem;
TileItemTitle tit = rtvi.DataContext as TileItemTitle;
if (rtvi.ActualWidth <= 100)
{
tit.Fontsize = 8;
(rtvi.Content as Frame).IsEnabled = false;
}
else
{
tit.Fontsize = 18;
(rtvi.Content as Frame).IsEnabled = true;
}
}
