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// Copyright (c) 2011 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.
#include "views/examples/menu_example.h"
#include <set>
#include "base/utf_string_conversions.h"
#include "ui/base/models/simple_menu_model.h"
#include "views/controls/button/menu_button.h"
#include "views/controls/menu/menu_2.h"
#include "views/controls/menu/view_menu_delegate.h"
#include "views/controls/button/text_button.h"
#include "views/layout/fill_layout.h"
#include "views/view.h"
namespace {
class ExampleMenuModel : public ui::SimpleMenuModel,
public ui::SimpleMenuModel::Delegate {
public:
ExampleMenuModel();
void RunMenuAt(const gfx::Point& point);
// Overridden from ui::SimpleMenuModel::Delegate:
virtual bool IsCommandIdChecked(int command_id) const OVERRIDE;
virtual bool IsCommandIdEnabled(int command_id) const OVERRIDE;
virtual bool GetAcceleratorForCommandId(
int command_id,
ui::Accelerator* accelerator) OVERRIDE;
virtual void ExecuteCommand(int command_id) OVERRIDE;
private:
enum {
kGroupMakeDecision,
};
enum {
kCommandDoSomething,
kCommandSelectAscii,
kCommandSelectUtf8,
kCommandSelectUtf16,
kCommandCheckApple,
kCommandCheckOrange,
kCommandCheckKiwi,
kCommandGoHome,
};
scoped_ptr<views::Menu2> menu_;
scoped_ptr<ui::SimpleMenuModel> submenu_;
std::set<int> checked_fruits_;
int current_encoding_command_id_;
DISALLOW_COPY_AND_ASSIGN(ExampleMenuModel);
};
class ExampleMenuButton : public views::MenuButton,
public views::ViewMenuDelegate {
public:
ExampleMenuButton(const std::wstring& test, bool show_menu_marker);
virtual ~ExampleMenuButton();
private:
// Overridden from views::ViewMenuDelegate:
virtual void RunMenu(views::View* source, const gfx::Point& point) OVERRIDE;
scoped_ptr<ExampleMenuModel> menu_model_;
DISALLOW_COPY_AND_ASSIGN(ExampleMenuButton);
};
// ExampleMenuModel ---------------------------------------------------------
ExampleMenuModel::ExampleMenuModel()
: ALLOW_THIS_IN_INITIALIZER_LIST(ui::SimpleMenuModel(this)),
current_encoding_command_id_(kCommandSelectAscii) {
AddItem(kCommandDoSomething, WideToUTF16(L"Do Something"));
AddSeparator();
AddRadioItem(kCommandSelectAscii,
WideToUTF16(L"ASCII"), kGroupMakeDecision);
AddRadioItem(kCommandSelectUtf8,
WideToUTF16(L"UTF-8"), kGroupMakeDecision);
AddRadioItem(kCommandSelectUtf16,
WideToUTF16(L"UTF-16"), kGroupMakeDecision);
AddSeparator();
AddCheckItem(kCommandCheckApple, WideToUTF16(L"Apple"));
AddCheckItem(kCommandCheckOrange, WideToUTF16(L"Orange"));
AddCheckItem(kCommandCheckKiwi, WideToUTF16(L"Kiwi"));
AddSeparator();
AddItem(kCommandGoHome, WideToUTF16(L"Go Home"));
submenu_.reset(new ui::SimpleMenuModel(this));
submenu_->AddItem(kCommandDoSomething, WideToUTF16(L"Do Something 2"));
AddSubMenu(0, ASCIIToUTF16("Submenu"), submenu_.get());
menu_.reset(new views::Menu2(this));
}
void ExampleMenuModel::RunMenuAt(const gfx::Point& point) {
menu_->RunMenuAt(point, views::Menu2::ALIGN_TOPRIGHT);
}
bool ExampleMenuModel::IsCommandIdChecked(int command_id) const {
// Radio items.
if (command_id == current_encoding_command_id_)
return true;
// Check items.
if (checked_fruits_.find(command_id) != checked_fruits_.end())
return true;
return false;
}
bool ExampleMenuModel::IsCommandIdEnabled(int command_id) const {
// All commands are enabled except for kCommandGoHome.
return command_id != kCommandGoHome;
}
bool ExampleMenuModel::GetAcceleratorForCommandId(
int command_id,
ui::Accelerator* accelerator) {
// We don't use this in the example.
return false;
}
void ExampleMenuModel::ExecuteCommand(int command_id) {
switch (command_id) {
case kCommandDoSomething: {
LOG(INFO) << "Done something";
break;
}
// Radio items.
case kCommandSelectAscii: {
current_encoding_command_id_ = kCommandSelectAscii;
LOG(INFO) << "Selected ASCII";
break;
}
case kCommandSelectUtf8: {
current_encoding_command_id_ = kCommandSelectUtf8;
LOG(INFO) << "Selected UTF-8";
break;
}
case kCommandSelectUtf16: {
current_encoding_command_id_ = kCommandSelectUtf16;
LOG(INFO) << "Selected UTF-16";
break;
}
// Check items.
case kCommandCheckApple:
case kCommandCheckOrange:
case kCommandCheckKiwi: {
// Print what fruit is checked.
const char* checked_fruit = "";
if (command_id == kCommandCheckApple) {
checked_fruit = "Apple";
} else if (command_id == kCommandCheckOrange) {
checked_fruit = "Orange";
} else if (command_id == kCommandCheckKiwi) {
checked_fruit = "Kiwi";
}
LOG(INFO) << "Checked " << checked_fruit;
// Update the check status.
std::set<int>::iterator iter = checked_fruits_.find(command_id);
if (iter == checked_fruits_.end())
checked_fruits_.insert(command_id);
else
checked_fruits_.erase(iter);
break;
}
}
}
// ExampleMenuButton -----------------------------------------------------------
ExampleMenuButton::ExampleMenuButton(const std::wstring& test,
bool show_menu_marker)
: ALLOW_THIS_IN_INITIALIZER_LIST(
views::MenuButton(NULL, test, this, show_menu_marker)) {
}
ExampleMenuButton::~ExampleMenuButton() {
}
void ExampleMenuButton::RunMenu(views::View* source, const gfx::Point& point) {
if (menu_model_ == NULL) {
menu_model_.reset(new ExampleMenuModel);
}
menu_model_->RunMenuAt(point);
}
} // namespace
namespace examples {
MenuExample::MenuExample(ExamplesMain* main)
: ExampleBase(main) {
}
MenuExample::~MenuExample() {
}
std::wstring MenuExample::GetExampleTitle() {
return L"Menu";
}
void MenuExample::CreateExampleView(views::View* container) {
// views::Menu2 is not a sub class of View, hence we cannot directly
// add to the continer. Instead, we add a button to open a menu.
const bool show_menu_marker = true;
ExampleMenuButton* menu_button = new ExampleMenuButton(L"Open a menu",
show_menu_marker);
container->SetLayoutManager(new views::FillLayout);
container->AddChildView(menu_button);
}
} // namespace examples
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