views: Move the implementation of TabbedPaneExample from the header file to the source file.

views/examples/tabbed_pane_example.h

-// Copyright (c) 2010 The Chromium Authors. All rights reserved.
+// Copyright (c) 2011 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_TABBED_PANE_EXAMPLE_H_
 #define VIEWS_EXAMPLES_TABBED_PANE_EXAMPLE_H_
 #pragma once
 
-#include "base/string_util.h"
 #include "views/controls/button/text_button.h"
 #include "views/examples/example_base.h"
+#include "views/controls/tabbed_pane/tabbed_pane.h"
 
 namespace examples {
 
 // A TabbedPane example tests adding/removing/selecting tabs.
 class TabbedPaneExample : public ExampleBase,
                           public views::ButtonListener,
-                          views::TabbedPane::Listener {
+                          public views::TabbedPane::Listener {
  public:
-  explicit TabbedPaneExample(ExamplesMain* main) : ExampleBase(main) {}
+  explicit TabbedPaneExample(ExamplesMain* main);
+  virtual ~TabbedPaneExample();
 
-  virtual ~TabbedPaneExample() {}
-
-  virtual std::wstring GetExampleTitle() {
-    return L"Tabbed Pane";
-  }
-
-  virtual void CreateExampleView(views::View* container) {
-    tabbed_pane_ = new views::TabbedPane();
-    add_ = new views::TextButton(this, L"Add");
-    add_at_ = new views::TextButton(this, L"Add At 1");
-    remove_at_ = new views::TextButton(this, L"Remove At 1");
-    select_at_ = new views::TextButton(this, L"Select At 1");
-
-    views::GridLayout* layout = new views::GridLayout(container);
-    container->SetLayoutManager(layout);
-
-    const int tabbed_pane_column = 0;
-    views::ColumnSet* column_set = layout->AddColumnSet(tabbed_pane_column);
-    column_set->AddColumn(views::GridLayout::FILL, views::GridLayout::FILL,
-                          1.0f, views::GridLayout::USE_PREF, 0, 0);
-    layout->StartRow(1 /* expand */, tabbed_pane_column);
-    layout->AddView(tabbed_pane_);
-
-    // Create a few tabs with a button first.
-    AddButton(L"Tab 1");
-    AddButton(L"Tab 2");
-
-    // Add control buttons horizontally.
-    const int button_column = 1;
-    column_set = layout->AddColumnSet(button_column);
-    for (int i = 0; i < 4; i++) {
-      column_set->AddColumn(views::GridLayout::FILL, views::GridLayout::FILL,
-                            1.0f, views::GridLayout::USE_PREF, 0, 0);
-    }
-
-    layout->StartRow(0 /* no expand */, button_column);
-    layout->AddView(add_);
-    layout->AddView(add_at_);
-    layout->AddView(remove_at_);
-    layout->AddView(select_at_);
-  }
+  // Overridden from ExampleBase:
+  virtual std::wstring GetExampleTitle();
+  virtual void CreateExampleView(views::View* container);
 
  private:
-  // ButtonListener overrides.
-  virtual void ButtonPressed(views::Button* sender, const views::Event& event) {
-    if (sender == add_) {
-      AddButton(L"Added");
-    } else if (sender == add_at_) {
-      const std::wstring label = L"Added at 1";
-      tabbed_pane_->AddTabAtIndex(1, label,
-                                  new views::TextButton(NULL, label), true);
-    } else if (sender == remove_at_) {
-      if (tabbed_pane_->GetTabCount() > 1)
-        delete tabbed_pane_->RemoveTabAtIndex(1);
-    } else if (sender == select_at_) {
-      if (tabbed_pane_->GetTabCount() > 1)
-        tabbed_pane_->SelectTabAt(1);
-    }
-    PrintStatus();
-  }
+  // Overridden from views::ButtonListener:
+  virtual void ButtonPressed(views::Button* sender, const views::Event& event);
 
-  // TabbedPane::Listener overrides.
-  virtual void TabSelectedAt(int index) {
-    // Just print the status when selection changes.
-    PrintStatus();
-  }
+  // Overridden from views::TabbedPane::Listener:
+  virtual void TabSelectedAt(int index);
 
   // Print the status of the tab in the status area.
-  void PrintStatus() {
-    ExampleBase::PrintStatus(L"Tab Count:%d, Selected Tab:%d",
-                             tabbed_pane_->GetTabCount(),
-                             tabbed_pane_->GetSelectedTabIndex());
-  }
+  void PrintStatus();
 
-  void AddButton(const std::wstring& label) {
-    views::TextButton* button = new views::TextButton(NULL, label);
-    tabbed_pane_->AddTab(label, button);
-  }
+  void AddButton(const std::wstring& label);
 
   // The tabbed pane to be tested.
   views::TabbedPane* tabbed_pane_;
 
   // Control buttons to add, remove or select tabs.
   views::Button* add_, *add_at_, *remove_at_, *select_at_;
 
   DISALLOW_COPY_AND_ASSIGN(TabbedPaneExample);
 };
 
 }  // namespace examples
 
 #endif  // VIEWS_EXAMPLES_TABBED_PANE_EXAMPLE_H_