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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/examples_window.h" | |
| 6 | |
| 7 #include <algorithm> | |
| 8 #include <string> | |
| 9 | |
| 10 #include "base/memory/scoped_vector.h" | |
| 11 #include "base/strings/utf_string_conversions.h" | |
| 12 #include "ui/base/models/combobox_model.h" | |
| 13 #include "ui/base/ui_base_paths.h" | |
| 14 #include "ui/views/background.h" | |
| 15 #include "ui/views/controls/combobox/combobox.h" | |
| 16 #include "ui/views/controls/label.h" | |
| 17 #include "ui/views/examples/bubble_example.h" | |
| 18 #include "ui/views/examples/button_example.h" | |
| 19 #include "ui/views/examples/checkbox_example.h" | |
| 20 #include "ui/views/examples/combobox_example.h" | |
| 21 #include "ui/views/examples/double_split_view_example.h" | |
| 22 #include "ui/views/examples/label_example.h" | |
| 23 #include "ui/views/examples/link_example.h" | |
| 24 #include "ui/views/examples/menu_example.h" | |
| 25 #include "ui/views/examples/message_box_example.h" | |
| 26 #include "ui/views/examples/multiline_example.h" | |
| 27 #include "ui/views/examples/progress_bar_example.h" | |
| 28 #include "ui/views/examples/radio_button_example.h" | |
| 29 #include "ui/views/examples/scroll_view_example.h" | |
| 30 #include "ui/views/examples/single_split_view_example.h" | |
| 31 #include "ui/views/examples/slider_example.h" | |
| 32 #include "ui/views/examples/tabbed_pane_example.h" | |
| 33 #include "ui/views/examples/table_example.h" | |
| 34 #include "ui/views/examples/text_example.h" | |
| 35 #include "ui/views/examples/textfield_example.h" | |
| 36 #include "ui/views/examples/throbber_example.h" | |
| 37 #include "ui/views/examples/tree_view_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 | |
| 44 namespace views { | |
| 45 namespace examples { | |
| 46 | |
| 47 typedef scoped_ptr<ScopedVector<ExampleBase> > ScopedExamples; | |
| 48 | |
| 49 namespace { | |
| 50 | |
| 51 // Creates the default set of examples. Caller owns the result. | |
| 52 ScopedExamples CreateExamples() { | |
| 53 ScopedExamples examples(new ScopedVector<ExampleBase>); | |
| 54 examples->push_back(new BubbleExample); | |
| 55 examples->push_back(new ButtonExample); | |
| 56 examples->push_back(new CheckboxExample); | |
| 57 examples->push_back(new ComboboxExample); | |
| 58 examples->push_back(new DoubleSplitViewExample); | |
| 59 examples->push_back(new LabelExample); | |
| 60 examples->push_back(new LinkExample); | |
| 61 examples->push_back(new MenuExample); | |
| 62 examples->push_back(new MessageBoxExample); | |
| 63 examples->push_back(new MultilineExample); | |
| 64 examples->push_back(new ProgressBarExample); | |
| 65 examples->push_back(new RadioButtonExample); | |
| 66 examples->push_back(new ScrollViewExample); | |
| 67 examples->push_back(new SingleSplitViewExample); | |
| 68 examples->push_back(new SliderExample); | |
| 69 examples->push_back(new TabbedPaneExample); | |
| 70 examples->push_back(new TableExample); | |
| 71 examples->push_back(new TextExample); | |
| 72 examples->push_back(new TextfieldExample); | |
| 73 examples->push_back(new ThrobberExample); | |
| 74 examples->push_back(new TreeViewExample); | |
| 75 examples->push_back(new WidgetExample); | |
| 76 return examples.Pass(); | |
| 77 } | |
| 78 | |
| 79 struct ExampleTitleCompare { | |
| 80 bool operator() (ExampleBase* a, ExampleBase* b) { | |
| 81 return a->example_title() < b->example_title(); | |
| 82 } | |
| 83 }; | |
| 84 | |
| 85 ScopedExamples GetExamplesToShow(ScopedExamples extra) { | |
| 86 ScopedExamples examples(CreateExamples()); | |
| 87 if (extra.get()) { | |
| 88 examples->insert(examples->end(), extra->begin(), extra->end()); | |
| 89 extra->weak_clear(); | |
| 90 } | |
| 91 std::sort(examples->begin(), examples->end(), ExampleTitleCompare()); | |
| 92 return examples.Pass(); | |
| 93 } | |
| 94 | |
| 95 } // namespace | |
| 96 | |
| 97 // Model for the examples that are being added via AddExample(). | |
| 98 class ComboboxModelExampleList : public ui::ComboboxModel { | |
| 99 public: | |
| 100 ComboboxModelExampleList() {} | |
| 101 virtual ~ComboboxModelExampleList() {} | |
| 102 | |
| 103 void SetExamples(ScopedExamples examples) { | |
| 104 example_list_.swap(*examples); | |
| 105 } | |
| 106 | |
| 107 // ui::ComboboxModel: | |
| 108 virtual int GetItemCount() const override { return example_list_.size(); } | |
| 109 virtual base::string16 GetItemAt(int index) override { | |
| 110 return base::UTF8ToUTF16(example_list_[index]->example_title()); | |
| 111 } | |
| 112 | |
| 113 View* GetItemViewAt(int index) { | |
| 114 return example_list_[index]->example_view(); | |
| 115 } | |
| 116 | |
| 117 private: | |
| 118 ScopedVector<ExampleBase> example_list_; | |
| 119 | |
| 120 DISALLOW_COPY_AND_ASSIGN(ComboboxModelExampleList); | |
| 121 }; | |
| 122 | |
| 123 class ExamplesWindowContents : public WidgetDelegateView, | |
| 124 public ComboboxListener { | |
| 125 public: | |
| 126 ExamplesWindowContents(Operation operation, ScopedExamples examples) | |
| 127 : combobox_(new Combobox(&combobox_model_)), | |
| 128 example_shown_(new View), | |
| 129 status_label_(new Label), | |
| 130 operation_(operation) { | |
| 131 instance_ = this; | |
| 132 combobox_->set_listener(this); | |
| 133 combobox_model_.SetExamples(examples.Pass()); | |
| 134 combobox_->ModelChanged(); | |
| 135 | |
| 136 set_background(Background::CreateStandardPanelBackground()); | |
| 137 GridLayout* layout = new GridLayout(this); | |
| 138 SetLayoutManager(layout); | |
| 139 ColumnSet* column_set = layout->AddColumnSet(0); | |
| 140 column_set->AddPaddingColumn(0, 5); | |
| 141 column_set->AddColumn(GridLayout::FILL, GridLayout::FILL, 1, | |
| 142 GridLayout::USE_PREF, 0, 0); | |
| 143 column_set->AddPaddingColumn(0, 5); | |
| 144 layout->AddPaddingRow(0, 5); | |
| 145 layout->StartRow(0 /* no expand */, 0); | |
| 146 layout->AddView(combobox_); | |
| 147 | |
| 148 if (combobox_model_.GetItemCount() > 0) { | |
| 149 layout->StartRow(1, 0); | |
| 150 example_shown_->SetLayoutManager(new FillLayout()); | |
| 151 example_shown_->AddChildView(combobox_model_.GetItemViewAt(0)); | |
| 152 layout->AddView(example_shown_); | |
| 153 } | |
| 154 | |
| 155 layout->StartRow(0 /* no expand */, 0); | |
| 156 layout->AddView(status_label_); | |
| 157 layout->AddPaddingRow(0, 5); | |
| 158 } | |
| 159 | |
| 160 virtual ~ExamplesWindowContents() { | |
| 161 // Delete |combobox_| first as it references |combobox_model_|. | |
| 162 delete combobox_; | |
| 163 combobox_ = NULL; | |
| 164 } | |
| 165 | |
| 166 // Prints a message in the status area, at the bottom of the window. | |
| 167 void SetStatus(const std::string& status) { | |
| 168 status_label_->SetText(base::UTF8ToUTF16(status)); | |
| 169 } | |
| 170 | |
| 171 static ExamplesWindowContents* instance() { return instance_; } | |
| 172 | |
| 173 private: | |
| 174 // WidgetDelegateView: | |
| 175 virtual bool CanResize() const override { return true; } | |
| 176 virtual bool CanMaximize() const override { return true; } | |
| 177 virtual bool CanMinimize() const override { return true; } | |
| 178 virtual base::string16 GetWindowTitle() const override { | |
| 179 return base::ASCIIToUTF16("Views Examples"); | |
| 180 } | |
| 181 virtual View* GetContentsView() override { return this; } | |
| 182 virtual void WindowClosing() override { | |
| 183 instance_ = NULL; | |
| 184 if (operation_ == QUIT_ON_CLOSE) | |
| 185 base::MessageLoopForUI::current()->Quit(); | |
| 186 } | |
| 187 | |
| 188 // ComboboxListener: | |
| 189 virtual void OnPerformAction(Combobox* combobox) override { | |
| 190 DCHECK_EQ(combobox, combobox_); | |
| 191 DCHECK(combobox->selected_index() < combobox_model_.GetItemCount()); | |
| 192 example_shown_->RemoveAllChildViews(false); | |
| 193 example_shown_->AddChildView(combobox_model_.GetItemViewAt( | |
| 194 combobox->selected_index())); | |
| 195 example_shown_->RequestFocus(); | |
| 196 SetStatus(std::string()); | |
| 197 Layout(); | |
| 198 } | |
| 199 | |
| 200 static ExamplesWindowContents* instance_; | |
| 201 ComboboxModelExampleList combobox_model_; | |
| 202 Combobox* combobox_; | |
| 203 View* example_shown_; | |
| 204 Label* status_label_; | |
| 205 const Operation operation_; | |
| 206 | |
| 207 DISALLOW_COPY_AND_ASSIGN(ExamplesWindowContents); | |
| 208 }; | |
| 209 | |
| 210 // static | |
| 211 ExamplesWindowContents* ExamplesWindowContents::instance_ = NULL; | |
| 212 | |
| 213 void ShowExamplesWindow(Operation operation, | |
| 214 gfx::NativeWindow window_context, | |
| 215 ScopedExamples extra_examples) { | |
| 216 if (ExamplesWindowContents::instance()) { | |
| 217 ExamplesWindowContents::instance()->GetWidget()->Activate(); | |
| 218 } else { | |
| 219 ScopedExamples examples(GetExamplesToShow(extra_examples.Pass())); | |
| 220 Widget* widget = new Widget; | |
| 221 Widget::InitParams params; | |
| 222 params.delegate = new ExamplesWindowContents(operation, examples.Pass()); | |
| 223 params.context = window_context; | |
| 224 params.bounds = gfx::Rect(0, 0, 850, 300); | |
| 225 widget->Init(params); | |
| 226 widget->Show(); | |
| 227 } | |
| 228 } | |
| 229 | |
| 230 void LogStatus(const std::string& string) { | |
| 231 ExamplesWindowContents::instance()->SetStatus(string); | |
| 232 } | |
| 233 | |
| 234 } // namespace examples | |
| 235 } // namespace views | |
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