examples_window_with_content.cc revision 7d4cd473f85ac64c3747c96c277f9e506a0d2246 
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/examples_window_with_content.h"
6
7#include <string>
8
9#include "base/memory/scoped_vector.h"
10#include "base/strings/utf_string_conversions.h"
11#include "content/public/browser/browser_context.h"
12#include "ui/base/models/combobox_model.h"
13#include "ui/base/ui_base_paths.h"
14#include "ui/views/controls/combobox/combobox.h"
15#include "ui/views/controls/label.h"
16#include "ui/views/examples/bubble_example.h"
17#include "ui/views/examples/button_example.h"
18#include "ui/views/examples/checkbox_example.h"
19#include "ui/views/examples/combobox_example.h"
20#include "ui/views/examples/double_split_view_example.h"
21#include "ui/views/examples/label_example.h"
22#include "ui/views/examples/link_example.h"
23#include "ui/views/examples/menu_example.h"
24#include "ui/views/examples/message_box_example.h"
25#include "ui/views/examples/multiline_example.h"
26#include "ui/views/examples/progress_bar_example.h"
27#include "ui/views/examples/radio_button_example.h"
28#include "ui/views/examples/scroll_view_example.h"
29#include "ui/views/examples/single_split_view_example.h"
30#include "ui/views/examples/slider_example.h"
31#include "ui/views/examples/tabbed_pane_example.h"
32#include "ui/views/examples/table_example.h"
33#include "ui/views/examples/text_example.h"
34#include "ui/views/examples/textfield_example.h"
35#include "ui/views/examples/throbber_example.h"
36#include "ui/views/examples/tree_view_example.h"
37#include "ui/views/examples/webview_example.h"
38#include "ui/views/examples/widget_example.h"
39#include "ui/views/layout/fill_layout.h"
40#include "ui/views/layout/grid_layout.h"
41#include "ui/views/widget/widget.h"
42#include "ui/views/widget/widget_delegate.h"
43
44namespace views {
45namespace examples {
46
47// Model for the examples that are being added via AddExample().
48class ComboboxModelExampleList : public ui::ComboboxModel {
49 public:
50  ComboboxModelExampleList() {}
51  virtual ~ComboboxModelExampleList() {}
52
53  // Overridden from ui::ComboboxModel:
54  virtual int GetItemCount() const OVERRIDE { return example_list_.size(); }
55  virtual string16 GetItemAt(int index) OVERRIDE {
56    return UTF8ToUTF16(example_list_[index]->example_title());
57  }
58
59  View* GetItemViewAt(int index) {
60    return example_list_[index]->example_view();
61  }
62
63  void AddExample(ExampleBase* example) {
64    example_list_.push_back(example);
65  }
66
67 private:
68  ScopedVector<ExampleBase> example_list_;
69
70  DISALLOW_COPY_AND_ASSIGN(ComboboxModelExampleList);
71};
72
73class ExamplesWindowContents : public WidgetDelegateView,
74                               public ComboboxListener {
75 public:
76  ExamplesWindowContents(Operation operation,
77                         content::BrowserContext* browser_context)
78      : combobox_(new Combobox(&combobox_model_)),
79        example_shown_(new View),
80        status_label_(new Label),
81        operation_(operation),
82        browser_context_(browser_context) {
83    instance_ = this;
84    combobox_->set_listener(this);
85  }
86  virtual ~ExamplesWindowContents() {}
87
88  // Prints a message in the status area, at the bottom of the window.
89  void SetStatus(const std::string& status) {
90    status_label_->SetText(UTF8ToUTF16(status));
91  }
92
93  static ExamplesWindowContents* instance() { return instance_; }
94
95 private:
96  // Overridden from WidgetDelegateView:
97  virtual bool CanResize() const OVERRIDE { return true; }
98  virtual bool CanMaximize() const OVERRIDE { return true; }
99  virtual string16 GetWindowTitle() const OVERRIDE {
100    return ASCIIToUTF16("Views Examples");
101  }
102  virtual View* GetContentsView() OVERRIDE { return this; }
103  virtual void WindowClosing() OVERRIDE {
104    instance_ = NULL;
105    if (operation_ == QUIT_ON_CLOSE)
106      base::MessageLoopForUI::current()->Quit();
107  }
108
109  // Overridden from View:
110  virtual void ViewHierarchyChanged(
111      const ViewHierarchyChangedDetails& details) OVERRIDE {
112    if (details.is_add && details.child == this)
113      InitExamplesWindow();
114  }
115
116  // Overridden from ComboboxListener:
117  virtual void OnSelectedIndexChanged(Combobox* combobox) OVERRIDE {
118    DCHECK_EQ(combobox, combobox_);
119    DCHECK(combobox->selected_index() < combobox_model_.GetItemCount());
120    example_shown_->RemoveAllChildViews(false);
121    example_shown_->AddChildView(combobox_model_.GetItemViewAt(
122        combobox->selected_index()));
123    example_shown_->RequestFocus();
124    SetStatus(std::string());
125    Layout();
126  }
127
128  // Creates the layout within the examples window.
129  void InitExamplesWindow() {
130    AddExamples();
131
132    set_background(Background::CreateStandardPanelBackground());
133    GridLayout* layout = new GridLayout(this);
134    SetLayoutManager(layout);
135    ColumnSet* column_set = layout->AddColumnSet(0);
136    column_set->AddPaddingColumn(0, 5);
137    column_set->AddColumn(GridLayout::FILL, GridLayout::FILL, 1,
138                          GridLayout::USE_PREF, 0, 0);
139    column_set->AddPaddingColumn(0, 5);
140    layout->AddPaddingRow(0, 5);
141    layout->StartRow(0 /* no expand */, 0);
142    layout->AddView(combobox_);
143
144    if (combobox_model_.GetItemCount() > 0) {
145      layout->StartRow(1, 0);
146      example_shown_->SetLayoutManager(new FillLayout());
147      example_shown_->AddChildView(combobox_model_.GetItemViewAt(0));
148      layout->AddView(example_shown_);
149    }
150
151    layout->StartRow(0 /* no expand */, 0);
152    layout->AddView(status_label_);
153    layout->AddPaddingRow(0, 5);
154  }
155
156  // Adds all the individual examples to the combobox model.
157  void AddExamples() {
158    // Please keep this list in alphabetical order!
159    combobox_model_.AddExample(new BubbleExample);
160    combobox_model_.AddExample(new ButtonExample);
161    combobox_model_.AddExample(new CheckboxExample);
162    combobox_model_.AddExample(new ComboboxExample);
163    combobox_model_.AddExample(new DoubleSplitViewExample);
164    combobox_model_.AddExample(new LabelExample);
165    combobox_model_.AddExample(new LinkExample);
166    combobox_model_.AddExample(new MenuExample);
167    combobox_model_.AddExample(new MessageBoxExample);
168    combobox_model_.AddExample(new MultilineExample);
169    combobox_model_.AddExample(new ProgressBarExample);
170    combobox_model_.AddExample(new RadioButtonExample);
171    combobox_model_.AddExample(new ScrollViewExample);
172    combobox_model_.AddExample(new SingleSplitViewExample);
173    combobox_model_.AddExample(new SliderExample);
174    combobox_model_.AddExample(new TabbedPaneExample);
175    combobox_model_.AddExample(new TableExample);
176    combobox_model_.AddExample(new TextExample);
177    combobox_model_.AddExample(new TextfieldExample);
178    combobox_model_.AddExample(new ThrobberExample);
179    combobox_model_.AddExample(new TreeViewExample);
180    combobox_model_.AddExample(new WebViewExample(browser_context_));
181    combobox_model_.AddExample(new WidgetExample);
182  }
183
184  static ExamplesWindowContents* instance_;
185  ComboboxModelExampleList combobox_model_;
186  Combobox* combobox_;
187  View* example_shown_;
188  Label* status_label_;
189  const Operation operation_;
190  content::BrowserContext* browser_context_;
191
192  DISALLOW_COPY_AND_ASSIGN(ExamplesWindowContents);
193};
194
195// static
196ExamplesWindowContents* ExamplesWindowContents::instance_ = NULL;
197
198void ShowExamplesWindowWithContent(Operation operation,
199                                   content::BrowserContext* browser_context) {
200  if (ExamplesWindowContents::instance()) {
201    ExamplesWindowContents::instance()->GetWidget()->Activate();
202  } else {
203    Widget* widget = new Widget;
204    Widget::InitParams params;
205    params.delegate = new ExamplesWindowContents(operation, browser_context);
206    params.bounds = gfx::Rect(0, 0, 850, 300);
207    params.top_level = true;
208    widget->Init(params);
209    widget->Show();
210  }
211}
212
213void LogStatus(const std::string& string) {
214  ExamplesWindowContents::instance()->SetStatus(string);
215}
216
217}  // namespace examples
218}  // namespace views
219