//=====================================================================
/// <summary>
/// Get the check state of the specified item from the tree view
/// </summary>
/// <param name="index">The index of the item in this collection</param>
/// <returns>The check state of the checked item from the checkbox list</returns>
public NodeCheckState CheckStateOf(int index)
{
TreeNode node = this[index];
ExtendedTreeView tree = (ExtendedTreeView)node.TreeView;
return(tree.GetNodeCheckState(node.Name));
}
// protected override void OnMouseWheel(MouseWheelEventArgs e)
// {
// don't call the method of the base class
// }
public override void OnApplyTemplate()
{
base.OnApplyTemplate();
_treeView = (ExtendedTreeView)this.GetTemplateChild("treeView");
_treeView.OnHierarchyMouseUp += new MouseEventHandler(OnTreeViewHierarchyMouseUp);
_contentPresenter = (ContentPresenter)this.GetTemplateChild("ContentPresenter");
this.SetSelectedItemToHeader();
}
protected virtual void GenerateTreeView()
{
IsGenerating = true;
NotifyPropertyChanged("IsGenerating");
panelMain.Children.Clear();
UpdateProgress(0, 0);
ExtendedTreeView treeviewSample = new ExtendedTreeView();
treeviewSample.SetValue(ScrollViewer.IsDeferredScrollingEnabledProperty, TreeViewSettingsWindow.IsDeferredScrollingEnabled);
treeviewSample.SetValue(VirtualizingPanel.IsVirtualizingProperty, TreeViewSettingsWindow.IsVirtualizing);
treeviewSample.SetValue(VirtualizingPanel.VirtualizationModeProperty, TreeViewSettingsWindow.VirtualizationMode);
treeviewSample.SelectionMode = TreeViewSettingsWindow.SelectionMode;
treeviewSample.AllowDragDrop = TreeViewSettingsWindow.AllowDragDrop;
treeviewSample.IsRootAlwaysExpanded = TreeViewSettingsWindow.IsRootAlwaysExpanded;
treeviewSample.IsItemExpandedAtStart = TreeViewSettingsWindow.IsItemExpandedAtStart;
treeviewSample.Content = GenerateRoot(TreeViewSettingsWindow.IsCloneable);
treeviewSample.DropCheck += OnDropCheck;
Collection <ResourceDictionary> MergedDictionaries = Application.Current.Resources.MergedDictionaries;
MergedDictionaries.Clear();
switch (TreeViewSettingsWindow.TreeViewType)
{
case TreeViewType.VS2013:
MergedDictionaries.Add(VS2013Dictionnary);
treeviewSample.ExpandButtonStyle = FindResource("VS2013ExpandButtonStyle") as Style;
treeviewSample.ExpandButtonWidth = 16;
treeviewSample.IndentationWidth = 16;
break;
case TreeViewType.Explorer:
MergedDictionaries.Add(ExplorerDictionnary);
ButtonList = new List <FrameworkElement>();
Style ButtonStyle = FindResource("ExplorerExpandButtonStyle") as Style;
Style NewButtonStyle = new Style(typeof(ToggleButton), ButtonStyle);
NewButtonStyle.Setters.Add(new EventSetter(ToggleButton.LoadedEvent, new RoutedEventHandler(OnButtonLoaded)));
NewButtonStyle.Setters.Add(new EventSetter(ToggleButton.UnloadedEvent, new RoutedEventHandler(OnButtonUnloaded)));
treeviewSample.ExpandButtonStyle = NewButtonStyle;
treeviewSample.ExpandButtonWidth = 12;
treeviewSample.IndentationWidth = 8;
treeviewSample.MouseEnter += OnTreeViewMouseEnter;
treeviewSample.MouseLeave += OnTreeViewMouseLeave;
break;
case TreeViewType.Custom:
switch (TreeViewSettingsWindow.TreeViewItemType)
{
case TreeViewItemType.FixedHeightImage:
MergedDictionaries.Add(CustomFixedHeightImageDictionnary);
break;
case TreeViewItemType.Text:
MergedDictionaries.Add(CustomTextImageDictionnary);
break;
case TreeViewItemType.VariableHeightImageAndText:
MergedDictionaries.Add(CustomVariableHeightImageAndTextDictionnary);
break;
default:
throw new ArgumentException("Invalid TreeViewItemType");
}
break;
default:
throw new ArgumentException("Invalid TreeViewType");
}
panelMain.Children.Add(treeviewSample);
}
