ui/views/examples/radio_button_example.cc

   1 // Copyright (c) 2011 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 #include "ui/views/examples/radio_button_example.h"
   6
   7 #include "base/strings/stringprintf.h"
   8 #include "base/strings/utf_string_conversions.h"
   9 #include "ui/views/controls/button/label_button.h"
  10 #include "ui/views/controls/button/radio_button.h"
  11 #include "ui/views/layout/grid_layout.h"
  12 #include "ui/views/view.h"
  13
  14 namespace views {
  15 namespace examples {
  16
  17 RadioButtonExample::RadioButtonExample()
  18     : ExampleBase("Radio Button"),
  19       count_(0) {
  20 }
  21
  22 RadioButtonExample::~RadioButtonExample() {
  23 }
  24
  25 void RadioButtonExample::CreateExampleView(View* container) {
  26   select_ = new LabelButton(this, base::ASCIIToUTF16("Select"));
  27   status_ = new LabelButton(this, base::ASCIIToUTF16("Show Status"));
  28
  29   int group = 1;
  30   for (size_t i = 0; i < arraysize(radio_buttons_); ++i) {
  31     radio_buttons_[i] = new RadioButton(
  32         base::UTF8ToUTF16(base::StringPrintf(
  33             "Radio %d in group %d", static_cast<int>(i) + 1, group)),
  34         group);
  35     radio_buttons_[i]->set_listener(this);
  36   }
  37
  38   GridLayout* layout = new GridLayout(container);
  39   container->SetLayoutManager(layout);
  40
  41   ColumnSet* column_set = layout->AddColumnSet(0);
  42   column_set->AddColumn(GridLayout::FILL, GridLayout::FILL,
  43                         1.0f, GridLayout::USE_PREF, 0, 0);
  44   for (size_t i = 0; i < arraysize(radio_buttons_); ++i) {
  45     layout->StartRow(0, 0);
  46     layout->AddView(radio_buttons_[i]);
  47   }
  48   layout->StartRow(0, 0);
  49   layout->AddView(select_);
  50   layout->StartRow(0, 0);
  51   layout->AddView(status_);
  52 }
  53
  54 void RadioButtonExample::ButtonPressed(Button* sender, const ui::Event& event) {
  55   if (sender == select_) {
  56     radio_buttons_[2]->SetChecked(true);
  57   } else if (sender == status_) {
  58     // Show the state of radio buttons.
  59     PrintStatus("Group: 1:%s, 2:%s, 3:%s",
  60                 BoolToOnOff(radio_buttons_[0]->checked()),
  61                 BoolToOnOff(radio_buttons_[1]->checked()),
  62                 BoolToOnOff(radio_buttons_[2]->checked()));
  63   } else {
  64     PrintStatus("Pressed! count:%d", ++count_);
  65   }
  66 }
  67
  68 }  // namespace examples
  69 }  // namespace views