private void ContextClickOutsideItemsCallback()
{
GenericMenu g = new GenericMenu();
g.AddItem(new GUIContent("Create Item"), false, () =>
{
TreeViewItem item = m_TreeView.data.root;;
var id = m_DataContainer.GetAutoID();
var newItem = new GMCategoryItem(id, 0, item, "New Item");
newItem.SetConfigSource(m_WindowConfigSource);
item.AddChild(newItem);
m_TreeView.SetSelection(new int[] { newItem.id }, true);
m_TreeView.data.RefreshData();
TreeViewSelectionChanged(new int[] { newItem.id });
m_WindowConfigSource.SetConfigDirty();
});
g.ShowAsContext();
}
public void ReparentSelection(TreeViewItem parentItem, TreeViewItem insertAfterItem, List <TreeViewItem> draggedItems, bool aboveFirstItem = false)
{
if (PrepareDoDrag != null)
{
PrepareDoDrag();
}
//如果insertAfterItem在draggedItems中，剔除draggedItems中insertAfterItem以及之后的item
if (aboveFirstItem)
{
insertAfterItem = m_TreeView.data.root;
}
int i = draggedItems.IndexOf(insertAfterItem);
if (i >= 0)
{
for (var j = draggedItems.Count - 1; j >= 0; --j)
{
if (j >= i)
{
draggedItems.RemoveAt(j);
}
else
{
break;
}
}
ReparentSelection(parentItem, insertAfterItem, draggedItems, aboveFirstItem);
return;
}
try
{
foreach (var item in draggedItems)
{
var folderItem = item as FolderTreeViewItem;
if (folderItem != null)
{
folderItem.Reparent(parentItem as FolderTreeViewItem);
}
}
foreach (var item in draggedItems)
{
var folderItem = item as FolderTreeViewItem;
if (folderItem != null)
{
if (folderItem.parent != null)
{
if (folderItem.IsFolder)
{
folderItem.parent.children.Remove(item);
}
else
{
var parentFolderItem = folderItem.parent as FolderTreeViewItem;
parentFolderItem.FileList.Remove(folderItem);
}
}
item.parent = parentItem;
}
}
var folderParentItem = parentItem as FolderTreeViewItem;
if (folderParentItem.FileList == null)
{
folderParentItem.FileList = new List <FolderTreeViewItem>();
}
for (int j = 0; j < draggedItems.Count; j++)
{
var item = draggedItems[j] as FolderTreeViewItem;
if (item != null && item.IsFolder)
{
parentItem.AddChild(item);
}
else if (item != null && !item.IsFolder)
{
item.parent = parentItem;
folderParentItem.FileList.Add(item);
}
}
var comparator = new AlphanumComparator.AlphanumComparator();
if (folderParentItem.hasChildren)
{
folderParentItem.children.Sort((obj1, obj2) =>
{
return(comparator.Compare(obj1.displayName, obj2.displayName));
});
}
folderParentItem.FileList.Sort((obj1, obj2) =>
{
return(comparator.Compare(obj1.displayName, obj2.displayName));
});
if (EndDragAction != null)
{
EndDragAction(false);
}
}
catch (Exception e)
{
Debug.LogError("拖拽操作出错:" + e);
if (EndDragAction != null)
{
EndDragAction(true);
}
}
}