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