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+// Copyright (c) 2009 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_COMBOBOX_EXAMPLE_H_
+#define VIEWS_EXAMPLES_COMBOBOX_EXAMPLE_H_
+
+#include "app/combobox_model.h"
+#include "base/string_util.h"
+#include "views/controls/combobox/combobox.h"
+#include "views/examples/example_base.h"
+
+namespace examples {
+
+// ComboboxExample
+class ComboboxExample : protected ExampleBase,
+ private views::Combobox::Listener {
+ public:
+ ComboboxExample(views::TabbedPane* tabbed_pane, views::Label* message)
+ : ExampleBase(message) {
+ views::Combobox* cb = new views::Combobox(new ComboboxModelExample());
+ cb->set_listener(this);
+ tabbed_pane->AddTab(L"Combo Box", cb);
+ }
+ virtual ~ComboboxExample() {}
+
+ private:
+ // An sample combobox model that generates list of "Item <index>".
+ class ComboboxModelExample : public ComboboxModel {
+ public:
+ ComboboxModelExample() {}
+ virtual ~ComboboxModelExample() {}
+
+ virtual int GetItemCount() {
+ return 10;
+ }
+
+ virtual std::wstring GetItemAt(int index) {
+ return StringPrintf(L"Item %d", index);
+ }
+
+ private:
+ DISALLOW_COPY_AND_ASSIGN(ComboboxModelExample);
+ };
+
+ // Lister implementation.
+ virtual void ItemChanged(views::Combobox* combo_box,
+ int prev_index,
+ int new_index) {
+ PrintStatus(L"Selected: index=%d, label=%ls",
+ new_index, combo_box->model()->GetItemAt(new_index).c_str());
+ }
+
+ DISALLOW_COPY_AND_ASSIGN(ComboboxExample);
+};
+
+} // namespace examples
+
+#endif // VIEWS_EXAMPLES_COMBOBOX_EXAMPLE_H_
+
+