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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"
#include "views/fill_layout.h"
namespace examples {
// ComboboxExample
class ComboboxExample : public ExampleBase, public views::Combobox::Listener {
public:
explicit ComboboxExample(ExamplesMain* main) : ExampleBase(main) {
combobox_ = new views::Combobox(new ComboboxModelExample());
combobox_->set_listener(this);
combobox_->SetSelectedItem(3);
}
virtual ~ComboboxExample() {}
virtual std::wstring GetExampleTitle() {
return L"Combo Box";
}
virtual void CreateExampleView(views::View* container) {
container->SetLayoutManager(new views::FillLayout);
container->AddChildView(combobox_);
}
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());
}
// This test only control.
views::Combobox* combobox_;
DISALLOW_COPY_AND_ASSIGN(ComboboxExample);
};
} // namespace examples
#endif // VIEWS_EXAMPLES_COMBOBOX_EXAMPLE_H_
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