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 89