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// Copyright (c) 2009 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 VIEWS_EXAMPLES_RADIO_BUTTON_EXAMPLE_H_
#define VIEWS_EXAMPLES_RADIO_BUTTON_EXAMPLE_H_
#pragma once
#include "base/compiler_specific.h"
#include "base/string_util.h"
#include "views/controls/button/radio_button.h"
#include "views/controls/button/text_button.h"
#include "views/examples/example_base.h"
namespace examples {
class RadioButtonExample : public ExampleBase,
public views::ButtonListener {
public:
explicit RadioButtonExample(ExamplesMain* main): ExampleBase(main) {}
virtual ~RadioButtonExample() {}
virtual std::wstring GetExampleTitle() {
return L"Radio Button";
}
virtual void CreateExampleView(views::View* container) {
select_ = new views::TextButton(this, L"Select");
status_ = new views::TextButton(this, L"Show Status");
int all = arraysize(radio_buttons_);
// divide buttons into 2 groups
int group_count = all / 2;
for (int i = 0; i < all; i++) {
int group = i / group_count;
radio_buttons_[i] = new views::RadioButton(
StringPrintf(L"Radio %d in group %d", (i % group_count + 1), group),
group);
}
views::GridLayout* layout = new views::GridLayout(container);
container->SetLayoutManager(layout);
views::ColumnSet* column_set = layout->AddColumnSet(0);
column_set->AddColumn(views::GridLayout::FILL, views::GridLayout::FILL,
1.0f, views::GridLayout::USE_PREF, 0, 0);
for (int i = 0; i < all; i++) {
layout->StartRow(0, 0);
layout->AddView(radio_buttons_[i]);
}
layout->StartRow(0, 0);
layout->AddView(select_);
layout->StartRow(0, 0);
layout->AddView(status_);
}
private:
// Override from ButtonListener
virtual void ButtonPressed(views::Button* sender, const views::Event& event) {
if (sender == select_) {
radio_buttons_[0]->SetChecked(true);
radio_buttons_[5]->SetChecked(true);
} else if (sender == status_) {
// Show the state of radio buttons.
PrintStatus(L"Group1: 1:%ls, 2:%ls, 3:%ls Group2: 1:%ls, 2:%ls, 3:%ls",
IntToOnOff(radio_buttons_[0]->checked()),
IntToOnOff(radio_buttons_[1]->checked()),
IntToOnOff(radio_buttons_[2]->checked()),
IntToOnOff(radio_buttons_[3]->checked()),
IntToOnOff(radio_buttons_[4]->checked()),
IntToOnOff(radio_buttons_[5]->checked()));
}
}
// 6 radio buttons, 0-2 consists 1st group, and 3-5 consists
// 2nd group.
views::RadioButton* radio_buttons_[6];
// Control button to select radio buttons, and show the status of buttons.
views::TextButton* select_, *status_;
DISALLOW_COPY_AND_ASSIGN(RadioButtonExample);
};
} // namespace examples
#endif // VIEWS_EXAMPLES_RADIO_BUTTON_EXAMPLE_H_
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