/// <summary>
/// 导航至某视图
/// </summary>
/// <param name="navigationKey">导航键值</param>
/// <param name="load"></param>
public void NavigationTo(string navigationKey)
{
XlyNavigationConfig config = this.GetNavigationConfig(navigationKey);
if (config == null || config.ViewType == null && config.FunCreateView == null)
{
return;
}
if (this.PART_Root == null)
{
this.ApplyTemplate();
}
this.BuildConfig(config, null, null);
foreach (var kv in this._Pool)
{
if (kv.Key == config)
{
kv.Value.Visibility = System.Windows.Visibility.Visible;
}
else
{
kv.Value.Visibility = System.Windows.Visibility.Collapsed;
}
}
this.CurrentConfig = config;
}
/// <summary>
/// 列表选项改变时触发
/// </summary>
private void PART_ListBox_SelectionChanged(object sender, SelectionChangedEventArgs e)
{
if (this.PART_Navigation == null)
{
this.ApplyTemplate();
}
if (this.PART_Navigation == null)
{
return;
}
XlyMultiViewInfo info = this.PART_ListBox.SelectedValue as XlyMultiViewInfo;
if (info == null)
{
return;
}
XlyNavigationConfig lastConfig = this.PART_Navigation.CurrentConfig;
if (string.IsNullOrWhiteSpace(info.NavigationKey))
{
info.NavigationKey = Guid.NewGuid().ToString();
Type viewType = info.ViewType;
if (viewType == null)
{
viewType = typeof(XlyMultiNoneView);
}
XlyNavigationConfig config_temp = new XlyNavigationConfig();
config_temp.ViewType = viewType;
config_temp.NavigationKey = info.NavigationKey;
this.PART_Navigation.NavigationConfigs.Add(config_temp);
}
XlyNavigationConfig config = this.PART_Navigation.GetNavigationConfig(info.NavigationKey);
this.PART_Navigation.NavigationTo(info.NavigationKey);
if (config.View is IXlyMultiView)
{
IXlyMultiView imv = config.View as IXlyMultiView;
imv.MultiViewOwner = this;
imv.LinkedControl = this.LinkedControl;
imv.Doamin = this.Doamin;
imv.ItemsSourceOwner = this.ItemsSourceOwner;
imv.ColumnsSource = this.ColumnsSource;
imv.ViewsSource = this.ViewsSource;
imv.CurrentViewInfo = info;
if (imv.IsSupport(null))
{
imv.ItemsSource = this.ItemsSource;
}
imv.OnActivation();
if (lastConfig != null && lastConfig.View is IXlyMultiView)
{
((IXlyMultiView)lastConfig.View).OnDeactivation();
}
}
}
private void View_Loaded(object sender, RoutedEventArgs e)
{
FrameworkElement fe = sender as FrameworkElement;
XlyNavigationConfig config = this.GetNavigationConfig(fe);
if (config != null && config.OnLoad != null)
{
Action <FrameworkElement> action = config.OnLoad;
config.OnLoad = null;
config.View.Loaded -= this.View_Loaded;
action(fe);
}
}
/// <summary>
/// 移除视图
/// </summary>
/// <param name="navigationKey">导航键值</param>
public void RemoveConfig(string navigationKey)
{
XlyNavigationConfig config = this.GetNavigationConfig(navigationKey);
if (config == null)
{
return;
}
if (this._Pool.ContainsKey(config))
{
this._Pool.Remove(config);
this.PART_Root.Children.Remove(config.View);
}
}
/// <summary>
/// 构建控件导航配置
/// </summary>
/// <param name="navigationKey">导航键值</param>
public void BuildConfig(string navigationKey, Action <FrameworkElement> actionCreateView, Action <object> actionCreateViewModel)
{
XlyNavigationConfig config = this.GetNavigationConfig(navigationKey);
this.BuildConfig(config, actionCreateView, actionCreateViewModel);
}
/// <summary>
/// 构建导航配置
/// </summary>
/// <param name="config"></param>
public void BuildConfig(XlyNavigationConfig config, Action <FrameworkElement> actionCreateView, Action <object> actionCreateViewModel)
{
if (config == null || config.ViewType == null && config.FunCreateView == null)
{
return;
}
if (this.PART_Root == null)
{
this.ApplyTemplate();
}
if (!this._Pool.ContainsKey(config))
{
if (config.View == null)
{
if (config.FunCreateView != null)
{
config.View = config.FunCreateView(config);
}
else
{
config.View = config.ViewType.Assembly.CreateInstance(config.ViewType.FullName) as FrameworkElement;
}
if (actionCreateView != null)
{
actionCreateView(config.View);
}
}
if (config.ViewModelType != null || config.ViewModel != null || config.FunCreateViewModel != null)
{
if (config.ViewModel == null)
{
if (config.FunCreateViewModel != null)
{
config.ViewModel = config.FunCreateViewModel(config);
}
else
{
config.ViewModel = config.ViewModelType.Assembly.CreateInstance(config.ViewModelType.FullName);
}
if (actionCreateViewModel != null)
{
actionCreateViewModel(config.ViewModel);
}
}
if (config.ViewModel is XlyNavigationViewModelBase)
{
XlyNavigationViewModelBase vm = config.ViewModel as XlyNavigationViewModelBase;
vm.Config = config;
vm.Navigation = this;
}
config.View.DataContext = config.ViewModel;
}
this._Pool.Add(config, config.View);
this.PART_Root.Children.Add(config.View);
if (this.OnBuildConfig != null)
{
this.OnBuildConfig(this, new XlyNavigationEventArgs {
Config = config
});
}
}
}
