ui/views/examples/tabbed_pane_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/tabbed_pane_example.h"
   6
   7 #include "base/strings/utf_string_conversions.h"
   8 #include "ui/views/controls/button/label_button.h"
   9 #include "ui/views/controls/tabbed_pane/tabbed_pane.h"
  10 #include "ui/views/layout/grid_layout.h"
  11
  12 using base::ASCIIToUTF16;
  13
  14 namespace views {
  15 namespace examples {
  16
  17 TabbedPaneExample::TabbedPaneExample() : ExampleBase("Tabbed Pane") {
  18 }
  19
  20 TabbedPaneExample::~TabbedPaneExample() {
  21 }
  22
  23 void TabbedPaneExample::CreateExampleView(View* container) {
  24   tabbed_pane_ = new TabbedPane();
  25   tabbed_pane_->set_listener(this);
  26   add_ = new LabelButton(this, ASCIIToUTF16("Add"));
  27   add_at_ = new LabelButton(this, ASCIIToUTF16("Add At 1"));
  28   select_at_ = new LabelButton(this, ASCIIToUTF16("Select At 1"));
  29
  30   GridLayout* layout = new GridLayout(container);
  31   container->SetLayoutManager(layout);
  32
  33   const int tabbed_pane_column = 0;
  34   ColumnSet* column_set = layout->AddColumnSet(tabbed_pane_column);
  35   column_set->AddColumn(GridLayout::FILL, GridLayout::FILL,
  36                         1.0f, GridLayout::USE_PREF, 0, 0);
  37   layout->StartRow(1 /* expand */, tabbed_pane_column);
  38   layout->AddView(tabbed_pane_);
  39
  40   // Create a few tabs with a button first.
  41   AddButton("Tab 1");
  42   AddButton("Tab 2");
  43
  44   // Add control buttons horizontally.
  45   const int button_column = 1;
  46   column_set = layout->AddColumnSet(button_column);
  47   for (int i = 0; i < 3; i++) {
  48     column_set->AddColumn(GridLayout::FILL, GridLayout::FILL,
  49                           1.0f, GridLayout::USE_PREF, 0, 0);
  50   }
  51
  52   layout->StartRow(0 /* no expand */, button_column);
  53   layout->AddView(add_);
  54   layout->AddView(add_at_);
  55   layout->AddView(select_at_);
  56 }
  57
  58 void TabbedPaneExample::ButtonPressed(Button* sender, const ui::Event& event) {
  59   if (sender == add_) {
  60     AddButton("Added");
  61   } else if (sender == add_at_) {
  62     const base::string16 label = ASCIIToUTF16("Added at 1");
  63     tabbed_pane_->AddTabAtIndex(1, label, new LabelButton(NULL, label));
  64   } else if (sender == select_at_) {
  65     if (tabbed_pane_->GetTabCount() > 1)
  66       tabbed_pane_->SelectTabAt(1);
  67   }
  68   PrintStatus();
  69 }
  70
  71 void TabbedPaneExample::TabSelectedAt(int index) {
  72   // Just print the status when selection changes.
  73   PrintStatus();
  74 }
  75
  76 void TabbedPaneExample::PrintStatus() {
  77   ExampleBase::PrintStatus("Tab Count:%d, Selected Tab:%d",
  78                            tabbed_pane_->GetTabCount(),
  79                            tabbed_pane_->selected_tab_index());
  80 }
  81
  82 void TabbedPaneExample::AddButton(const std::string& label) {
  83   LabelButton* button = new LabelButton(NULL, ASCIIToUTF16(label));
  84   tabbed_pane_->AddTab(ASCIIToUTF16(label), button);
  85 }
  86
  87 }  // namespace examples
  88 }  // namespace views