public Folders()
{
this.SampleFolders = new ObservableCollection<Folder>();
Folder mediaFolder = new Folder("My Media");
this.SampleFolders.Add(mediaFolder);
mediaFolder.SubFolders.Add(new Folder("Videos"));
mediaFolder.SubFolders.Add(new Folder("Music"));
mediaFolder.SubFolders.Add(new Folder("Images"));
this.SampleFolders.Add(new Folder("My Files"));
}
private void MoveItem(Folder droppedItem, Folder targetItem, TreeListViewDropPosition relativeDropPosition)
{
if (droppedItem == targetItem)
return;
var parentCollection = this.sourceCollection;
parentCollection.Remove(droppedItem);
if (relativeDropPosition == TreeListViewDropPosition.Inside)
{
destinationCollection.Add(droppedItem);
}
else if (relativeDropPosition == TreeListViewDropPosition.Before)
{
destinationCollection.Insert(destinationCollection.IndexOf(targetItem), droppedItem);
}
else if (relativeDropPosition == TreeListViewDropPosition.After)
{
destinationCollection.Insert(destinationCollection.IndexOf(targetItem) + 1, droppedItem);
}
this.AssociatedObject.ExpandAllHierarchyItems();
}
private void MoveItemToRoot(Folder droppedItem)
{
var parentCollection = sourceCollection;
parentCollection.Remove(droppedItem);
droppedItem.ParentFolder = null;
(destinationCollection).Add(droppedItem);
this.AssociatedObject.ExpandAllHierarchyItems();
}
