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      1 // Copyright (c) 2012 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/slider_example.h"
      6 
      7 #include "base/strings/stringprintf.h"
      8 #include "base/strings/utf_string_conversions.h"
      9 #include "ui/views/controls/label.h"
     10 #include "ui/views/layout/box_layout.h"
     11 #include "ui/views/view.h"
     12 
     13 namespace views {
     14 namespace examples {
     15 
     16 SliderExample::SliderExample()
     17     : ExampleBase("Slider"),
     18       slider_(NULL),
     19       label_(NULL) {
     20 }
     21 
     22 SliderExample::~SliderExample() {
     23 }
     24 
     25 void SliderExample::CreateExampleView(View* container) {
     26   label_ = new Label();
     27   slider_ = new Slider(this, Slider::HORIZONTAL);
     28 
     29   slider_->SetValue(0.5);
     30 
     31   container->SetLayoutManager(new BoxLayout(BoxLayout::kHorizontal, 3, 3, 3));
     32   container->AddChildView(slider_);
     33   container->AddChildView(label_);
     34 }
     35 
     36 void SliderExample::SliderValueChanged(Slider* sender,
     37                                        float value,
     38                                        float old_value,
     39                                        SliderChangeReason reason) {
     40   label_->SetText(ASCIIToUTF16(base::StringPrintf("%.3lf", value)));
     41 }
     42 
     43 }  // namespace examples
     44 }  // namespace views
     45 
     46