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// Copyright (c) 2012 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef UI_VIEWS_EXAMPLES_TREE_VIEW_EXAMPLE_H_
#define UI_VIEWS_EXAMPLES_TREE_VIEW_EXAMPLE_H_
#include "base/macros.h"
#include "ui/base/models/simple_menu_model.h"
#include "ui/base/models/tree_node_model.h"
#include "ui/views/context_menu_controller.h"
#include "ui/views/controls/button/button.h"
#include "ui/views/controls/tree/tree_view_controller.h"
#include "ui/views/examples/example_base.h"
namespace views {
class MenuRunner;
class TreeView;
namespace examples {
class VIEWS_EXAMPLES_EXPORT TreeViewExample
: public ExampleBase,
public ButtonListener,
public TreeViewController,
public ContextMenuController,
public ui::SimpleMenuModel::Delegate {
public:
TreeViewExample();
~TreeViewExample() override;
// ExampleBase:
void CreateExampleView(View* container) override;
private:
// IDs used by the context menu.
enum MenuIDs {
ID_EDIT,
ID_REMOVE,
ID_ADD
};
// Adds a new node.
void AddNewNode();
// Non-const version of IsCommandIdEnabled.
bool IsCommandIdEnabled(int command_id);
// ButtonListener:
void ButtonPressed(Button* sender, const ui::Event& event) override;
// TreeViewController:
void OnTreeViewSelectionChanged(TreeView* tree_view) override;
bool CanEdit(TreeView* tree_view, ui::TreeModelNode* node) override;
// ContextMenuController:
void ShowContextMenuForView(View* source,
const gfx::Point& point,
ui::MenuSourceType source_type) override;
// SimpleMenuModel::Delegate:
bool IsCommandIdChecked(int command_id) const override;
bool IsCommandIdEnabled(int command_id) const override;
bool GetAcceleratorForCommandId(int command_id,
ui::Accelerator* accelerator) override;
void ExecuteCommand(int command_id, int event_flags) override;
// The tree view to be tested.
TreeView* tree_view_;
// Control buttons to modify the model.
Button* add_;
Button* remove_;
Button* change_title_;
typedef ui::TreeNodeWithValue<int> NodeType;
ui::TreeNodeModel<NodeType> model_;
scoped_ptr<MenuRunner> context_menu_runner_;
DISALLOW_COPY_AND_ASSIGN(TreeViewExample);
};
} // namespace examples
} // namespace views
#endif // UI_VIEWS_EXAMPLES_TREE_VIEW_EXAMPLE_H_
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