public void HandleDrop(object sender, DragEventArgs e, BaseTreeViewItem treeViewItem)
{
Assert.ArgumentNotNull(sender, nameof(sender));
Assert.ArgumentNotNull(e, nameof(e));
Assert.ArgumentNotNull(treeViewItem, nameof(treeViewItem));
if (e.Data.GetDataPresent(DataFormats.FileDrop))
{
HandleFileDrop(e);
return;
}
var target = treeViewItem as ItemTreeViewItem;
if (target == null)
{
Diagnostics.Trace.Expected(typeof(ItemTreeViewItem));
return;
}
if (e.Data.GetDataPresent(@"CF_VSSTGPROJECTITEMS") && e.Data.GetDataPresent(@"Text"))
{
HandleSolutionExplorerDrop(target, e);
return;
}
if (e.Data.GetDataPresent(DragManager.DragIdentifier))
{
HandleItemDrop(target, e);
return;
}
Notifications.RaiseItemTreeViewDrop(this, target, e);
}
void ICanDrop.HandleDragOver(object sender, DragEventArgs e, BaseTreeViewItem treeViewItem)
{
Debug.ArgumentNotNull(sender, nameof(sender));
Debug.ArgumentNotNull(e, nameof(e));
Debug.ArgumentNotNull(treeViewItem, nameof(treeViewItem));
if (!e.Data.GetDataPresent(SiteTreeViewItem.DragIdentifier))
{
return;
}
var items = e.Data.GetData(SiteTreeViewItem.DragIdentifier) as IEnumerable <BaseTreeViewItem>;
if (items == null)
{
return;
}
if (items.Any(IsAncestor))
{
return;
}
if (items.Any(i => i == this))
{
return;
}
e.Effects = DragDropEffects.Move;
e.Handled = true;
}
public void HandleDragOver(object sender, DragEventArgs e, BaseTreeViewItem treeViewItem)
{
Assert.ArgumentNotNull(sender, nameof(sender));
Assert.ArgumentNotNull(e, nameof(e));
Assert.ArgumentNotNull(treeViewItem, nameof(treeViewItem));
adorner.AllowedPositions = ControlDragAdornerPosition.None;
if (e.Data.GetDataPresent(DataFormats.FileDrop))
{
HandleFileDragOver(e);
return;
}
var target = treeViewItem as ItemTreeViewItem;
if (target == null)
{
return;
}
if (e.Data.GetDataPresent(@"CF_VSSTGPROJECTITEMS") && e.Data.GetDataPresent(@"Text"))
{
var fileName = e.Data.GetData(@"Text") as string ?? string.Empty;
if (!string.IsNullOrEmpty(fileName) && File.Exists(fileName))
{
var project = AppHost.Projects.FirstOrDefault(p => fileName.StartsWith(p.FolderName, StringComparison.InvariantCultureIgnoreCase));
if (project != null)
{
e.Effects = DragDropEffects.Link;
}
}
return;
}
if (e.Data.GetDataPresent(DragManager.DragIdentifier))
{
HandleItemDragOver(target, e);
return;
}
Notifications.RaiseItemTreeViewDragOver(this, target, e);
if (e.Effects != DragDropEffects.None)
{
adorner.AllowedPositions = ControlDragAdornerPosition.Over;
}
}
private bool IsAncestor([NotNull] BaseTreeViewItem item)
{
Debug.ArgumentNotNull(item, nameof(item));
var i = Parent as BaseTreeViewItem;
while (i != null)
{
if (i == item)
{
return(true);
}
i = i.Parent as BaseTreeViewItem;
}
return(false);
}
void ICanDrop.HandleDrop(object sender, DragEventArgs e, BaseTreeViewItem treeViewItem)
{
Debug.ArgumentNotNull(sender, nameof(sender));
Debug.ArgumentNotNull(e, nameof(e));
Debug.ArgumentNotNull(treeViewItem, nameof(treeViewItem));
if (!e.Data.GetDataPresent(SiteTreeViewItem.DragIdentifier))
{
return;
}
var items = e.Data.GetData(SiteTreeViewItem.DragIdentifier) as IEnumerable <BaseTreeViewItem>;
if (items == null)
{
return;
}
var itemTreeView = this.GetAncestorOrSelf <ItemTreeView>();
if (itemTreeView == null)
{
return;
}
MoveFolders(itemTreeView, items.OfType <ConnectionFolderTreeViewItem>(), Folder);
MoveSites(items.OfType <SiteTreeViewItem>(), Folder);
if (!IsExpanded)
{
IsExpanded = true;
}
Refresh();
e.Handled = true;
}
