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// 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.
#include "ui/views/examples/combobox_example.h"
#include "base/stringprintf.h"
#include "base/utf_string_conversions.h"
#include "ui/base/models/combobox_model.h"
#include "ui/views/layout/fill_layout.h"
#include "views/controls/combobox/combobox.h"
namespace {
// An sample combobox model that generates list of "Item <index>".
class ComboboxModelExample : public ui::ComboboxModel {
public:
ComboboxModelExample() {}
virtual ~ComboboxModelExample() {}
// Overridden from ui::ComboboxModel:
virtual int GetItemCount() OVERRIDE { return 10; }
virtual string16 GetItemAt(int index) OVERRIDE {
return UTF8ToUTF16(base::StringPrintf("Item %d", index));
}
private:
DISALLOW_COPY_AND_ASSIGN(ComboboxModelExample);
};
} // namespace
namespace examples {
ComboboxExample::ComboboxExample(ExamplesMain* main)
: ExampleBase(main, "Combo Box") {
}
ComboboxExample::~ComboboxExample() {
}
void ComboboxExample::CreateExampleView(views::View* container) {
combobox_ = new views::Combobox(new ComboboxModelExample());
combobox_->set_listener(this);
combobox_->SetSelectedItem(3);
container->SetLayoutManager(new views::FillLayout);
container->AddChildView(combobox_);
}
void ComboboxExample::ItemChanged(views::Combobox* combo_box,
int prev_index,
int new_index) {
PrintStatus("Selected: index=%d, label=%s",
new_index, UTF16ToUTF8(combo_box->model()->GetItemAt(new_index)).c_str());
}
} // namespace examples
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