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      1 // Copyright (c) 2011 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/single_split_view_example.h"
      6 
      7 #include "ui/views/background.h"
      8 #include "ui/views/controls/single_split_view.h"
      9 #include "ui/views/layout/grid_layout.h"
     10 
     11 namespace views {
     12 namespace examples {
     13 namespace {
     14 
     15 // SingleSplitView's content, which draws gradient color on background.
     16 class SplittedView : public View {
     17  public:
     18   SplittedView();
     19   virtual ~SplittedView();
     20 
     21   void SetColor(SkColor from, SkColor to);
     22 
     23  private:
     24   // View:
     25   virtual gfx::Size GetPreferredSize() const OVERRIDE;
     26   virtual gfx::Size GetMinimumSize() const OVERRIDE;
     27   virtual void Layout() OVERRIDE;
     28 
     29   DISALLOW_COPY_AND_ASSIGN(SplittedView);
     30 };
     31 
     32 SplittedView::SplittedView() {
     33   SetColor(SK_ColorRED, SK_ColorGREEN);
     34 }
     35 
     36 SplittedView::~SplittedView() {
     37 }
     38 
     39 void SplittedView::SetColor(SkColor from, SkColor to) {
     40   set_background(Background::CreateVerticalGradientBackground(from, to));
     41 }
     42 
     43 gfx::Size SplittedView::GetPreferredSize() const {
     44   return gfx::Size(width(), height());
     45 }
     46 
     47 gfx::Size SplittedView::GetMinimumSize() const {
     48   return gfx::Size(10, 10);
     49 }
     50 
     51 void SplittedView::Layout() {
     52   SizeToPreferredSize();
     53 }
     54 
     55 }  // namespace
     56 
     57 SingleSplitViewExample::SingleSplitViewExample()
     58     : ExampleBase("Single Split View") {
     59 }
     60 
     61 SingleSplitViewExample::~SingleSplitViewExample() {
     62 }
     63 
     64 void SingleSplitViewExample::CreateExampleView(View* container) {
     65   SplittedView* splitted_view_1 = new SplittedView;
     66   SplittedView* splitted_view_2 = new SplittedView;
     67 
     68   splitted_view_1->SetColor(SK_ColorYELLOW, SK_ColorCYAN);
     69 
     70   single_split_view_ = new SingleSplitView(
     71       splitted_view_1, splitted_view_2,
     72       SingleSplitView::HORIZONTAL_SPLIT,
     73       this);
     74 
     75   GridLayout* layout = new GridLayout(container);
     76   container->SetLayoutManager(layout);
     77 
     78   ColumnSet* column_set = layout->AddColumnSet(0);
     79   column_set->AddColumn(GridLayout::FILL, GridLayout::FILL, 1,
     80                         GridLayout::USE_PREF, 0, 0);
     81   layout->StartRow(1, 0);
     82   layout->AddView(single_split_view_);
     83 }
     84 
     85 bool SingleSplitViewExample::SplitHandleMoved(SingleSplitView* sender) {
     86   PrintStatus("Splitter moved");
     87   return true;
     88 }
     89 
     90 }  // namespace examples
     91 }  // namespace views
     92