1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. 2 // Use of this source code is governed by a BSD-style license that can be 3 // found in the LICENSE file. 4 5 #ifndef UI_VIEWS_CONTROLS_TREE_TREE_VIEW_CONTROLLER_H_ 6 #define UI_VIEWS_CONTROLS_TREE_TREE_VIEW_CONTROLLER_H_ 7 8 #include "ui/events/keycodes/keyboard_codes.h" 9 #include "ui/views/views_export.h" 10 11 namespace ui { 12 class TreeModelNode; 13 } 14 15 namespace views { 16 17 class TreeView; 18 19 // TreeViewController --------------------------------------------------------- 20 21 // Controller for the treeview. 22 class VIEWS_EXPORT TreeViewController { 23 public: 24 // Notification that the selection of the tree view has changed. Use 25 // GetSelectedNode to find the current selection. 26 virtual void OnTreeViewSelectionChanged(TreeView* tree_view) = 0; 27 28 // Returns true if the node can be edited. This is only used if the 29 // TreeView is editable. 30 virtual bool CanEdit(TreeView* tree_view, ui::TreeModelNode* node); 31 32 protected: 33 virtual ~TreeViewController(); 34 }; 35 36 } // namespace views 37 38 #endif // UI_VIEWS_CONTROLS_TREE_TREE_VIEW_CONTROLLER_H_ 39