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| 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_EXAMPLES_TREE_VIEW_EXAMPLE_H_ | |
| 6 #define UI_VIEWS_EXAMPLES_TREE_VIEW_EXAMPLE_H_ | |
| 7 | |
| 8 #include "base/macros.h" | |
| 9 #include "ui/base/models/simple_menu_model.h" | |
| 10 #include "ui/base/models/tree_node_model.h" | |
| 11 #include "ui/views/context_menu_controller.h" | |
| 12 #include "ui/views/controls/button/button.h" | |
| 13 #include "ui/views/controls/tree/tree_view_controller.h" | |
| 14 #include "ui/views/examples/example_base.h" | |
| 15 | |
| 16 namespace views { | |
| 17 | |
| 18 class MenuRunner; | |
| 19 class TreeView; | |
| 20 | |
| 21 namespace examples { | |
| 22 | |
| 23 class VIEWS_EXAMPLES_EXPORT TreeViewExample | |
| 24 : public ExampleBase, | |
| 25 public ButtonListener, | |
| 26 public TreeViewController, | |
| 27 public ContextMenuController, | |
| 28 public ui::SimpleMenuModel::Delegate { | |
| 29 public: | |
| 30 TreeViewExample(); | |
| 31 virtual ~TreeViewExample(); | |
| 32 | |
| 33 // ExampleBase: | |
| 34 virtual void CreateExampleView(View* container) override; | |
| 35 | |
| 36 private: | |
| 37 // IDs used by the context menu. | |
| 38 enum MenuIDs { | |
| 39 ID_EDIT, | |
| 40 ID_REMOVE, | |
| 41 ID_ADD | |
| 42 }; | |
| 43 | |
| 44 // Adds a new node. | |
| 45 void AddNewNode(); | |
| 46 | |
| 47 // Non-const version of IsCommandIdEnabled. | |
| 48 bool IsCommandIdEnabled(int command_id); | |
| 49 | |
| 50 // ButtonListener: | |
| 51 virtual void ButtonPressed(Button* sender, const ui::Event& event) override; | |
| 52 | |
| 53 // TreeViewController: | |
| 54 virtual void OnTreeViewSelectionChanged(TreeView* tree_view) override; | |
| 55 virtual bool CanEdit(TreeView* tree_view, ui::TreeModelNode* node) override; | |
| 56 | |
| 57 // ContextMenuController: | |
| 58 virtual void ShowContextMenuForView(View* source, | |
| 59 const gfx::Point& point, | |
| 60 ui::MenuSourceType source_type) override; | |
| 61 | |
| 62 // SimpleMenuModel::Delegate: | |
| 63 virtual bool IsCommandIdChecked(int command_id) const override; | |
| 64 virtual bool IsCommandIdEnabled(int command_id) const override; | |
| 65 virtual bool GetAcceleratorForCommandId( | |
| 66 int command_id, | |
| 67 ui::Accelerator* accelerator) override; | |
| 68 virtual void ExecuteCommand(int command_id, int event_flags) override; | |
| 69 | |
| 70 // The tree view to be tested. | |
| 71 TreeView* tree_view_; | |
| 72 | |
| 73 // Control buttons to modify the model. | |
| 74 Button* add_; | |
| 75 Button* remove_; | |
| 76 Button* change_title_; | |
| 77 | |
| 78 typedef ui::TreeNodeWithValue<int> NodeType; | |
| 79 | |
| 80 ui::TreeNodeModel<NodeType> model_; | |
| 81 | |
| 82 scoped_ptr<MenuRunner> context_menu_runner_; | |
| 83 | |
| 84 DISALLOW_COPY_AND_ASSIGN(TreeViewExample); | |
| 85 }; | |
| 86 | |
| 87 } // namespace examples | |
| 88 } // namespace views | |
| 89 | |
| 90 #endif // UI_VIEWS_EXAMPLES_TREE_VIEW_EXAMPLE_H_ | |
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