void treeViewEx_OnSelecting(object sender, System.Windows.Controls.SelectionChangedCancelEventArgs e)
{
TreeViewEx treeViewEx = (TreeViewEx)sender;
CommandController controller = viewModel.Controller;
e.Cancel = true;
List <CommandBase> cmdList = new List <CommandBase>();
foreach (object itemToUnselect in e.ItemsToUnSelect)
{
//if (!treeViewEx.SelectedItems.Contains(itemToUnselect)) continue;
cmdList.Add(new DeselectItemCmd(viewModel, (Node)itemToUnselect));
}
foreach (object itemToSelect in e.ItemsToSelect)
{
//if (treeViewEx.SelectedItems.Contains(itemToSelect)) continue;
cmdList.Add(new SelectItemCmd(viewModel, (Node)itemToSelect));
//TreeViewExItem tvei = leftTree.GetTreeViewItemFor(itemToSelect);
//if (tvei != null) tvei.BringIntoView(new Rect(1, 1, 1, 1));
}
if (cmdList.Count > 0)
{
controller.AddAndExecute(new CommandGroupCmd(viewModel, cmdList.ToArray()));
}
lblUndoStack.Content = controller.UndoCount;
lblRedoStack.Content = controller.RedoCount;
return;
}
internal bool CheckSelectionAllowed(IEnumerable <object> itemsToSelect, IEnumerable <object> itemsToUnselect)
{
if (OnSelecting != null)
{
var e = new SelectionChangedCancelEventArgs(itemsToSelect, itemsToUnselect);
foreach (var method in OnSelecting.GetInvocationList())
{
method.Method.Invoke(method.Target, new object[] { this, e });
// stop iteration if one subscriber wants to cancel
if (e.Cancel)
{
return(false);
}
}
return(true);
}
return(true);
}
/// <summary>
/// TreeViewEx의 OnSelecting 이벤트와 연결
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
public virtual void OnNodeSelected(object sender, SelectionChangedCancelEventArgs e)
{
e.Cancel = true;
foreach (object itemToUnselect in e.ItemsToUnSelect)
{
if (SelectedNodes.Contains(itemToUnselect as FinderNode))
SelectedNodes.Remove(itemToUnselect as FinderNode);
}
foreach (object itemToSelect in e.ItemsToSelect)
{
if (!SelectedNodes.Contains(itemToSelect as FinderNode))
SelectedNodes.Add(itemToSelect as FinderNode);
}
if (SelectItemsChanged != null)
SelectItemsChanged(this, EventArgs.Empty);
if (PropertyChanged != null)
PropertyChanged(this, new PropertyChangedEventArgs("SelectedNodes"));
}
/// <summary>
/// 노드들을 선택했을 경우 호출되는 EventToCommand
/// </summary>
/// <param name="e"></param>
public void ExecuteNodesSelectedEventCommand(SelectionChangedCancelEventArgs e)
{
e.Cancel = true;
if (e.ItemsToUnSelect != null)
{
foreach (object itemToUnselect in e.ItemsToUnSelect)
{
if (SelectedNodes.Contains(itemToUnselect as TreeViewNode))
SelectedNodes.Remove(itemToUnselect as TreeViewNode);
}
}
if (e.ItemsToSelect != null)
{
foreach (object itemToSelect in e.ItemsToSelect)
{
if (!SelectedNodes.Contains(itemToSelect as TreeViewNode))
SelectedNodes.Add(itemToSelect as TreeViewNode);
}
}
NotifyPropertyChanged("SelectedNodes");
}
internal bool CheckSelectionAllowed(IEnumerable<object> itemsToSelect, IEnumerable<object> itemsToUnselect)
{
if (OnSelecting != null)
{
var e = new SelectionChangedCancelEventArgs(itemsToSelect, itemsToUnselect);
foreach (var method in OnSelecting.GetInvocationList())
{
method.Method.Invoke(method.Target, new object[] { this, e });
// stop iteration if one subscriber wants to cancel
if (e.Cancel)
{
return false;
}
}
return true;
}
return true;
}
/// <summary>
/// TreeViewEx의 OnSelecting 이벤트와 연결
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
public override void OnNodeSelected(object sender, SelectionChangedCancelEventArgs e)
{
base.OnNodeSelected(sender, e);
RemoveDirectoryCommand.RaiseCanExecuteChanged();
}
