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// Copyright (c) 2012 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/examples_window.h"
#include <string>
#include "base/memory/scoped_vector.h"
#include "base/strings/utf_string_conversions.h"
#include "ui/base/models/combobox_model.h"
#include "ui/base/ui_base_paths.h"
#include "ui/views/background.h"
#include "ui/views/controls/combobox/combobox.h"
#include "ui/views/controls/label.h"
#include "ui/views/examples/bubble_example.h"
#include "ui/views/examples/button_example.h"
#include "ui/views/examples/checkbox_example.h"
#include "ui/views/examples/combobox_example.h"
#include "ui/views/examples/double_split_view_example.h"
#include "ui/views/examples/label_example.h"
#include "ui/views/examples/link_example.h"
#include "ui/views/examples/menu_example.h"
#include "ui/views/examples/message_box_example.h"
#include "ui/views/examples/multiline_example.h"
#include "ui/views/examples/progress_bar_example.h"
#include "ui/views/examples/radio_button_example.h"
#include "ui/views/examples/scroll_view_example.h"
#include "ui/views/examples/single_split_view_example.h"
#include "ui/views/examples/slider_example.h"
#include "ui/views/examples/tabbed_pane_example.h"
#include "ui/views/examples/table_example.h"
#include "ui/views/examples/text_example.h"
#include "ui/views/examples/textfield_example.h"
#include "ui/views/examples/throbber_example.h"
#include "ui/views/examples/tree_view_example.h"
#include "ui/views/examples/widget_example.h"
#include "ui/views/layout/fill_layout.h"
#include "ui/views/layout/grid_layout.h"
#include "ui/views/widget/widget.h"
#include "ui/views/widget/widget_delegate.h"
namespace views {
namespace examples {
// Model for the examples that are being added via AddExample().
class ComboboxModelExampleList : public ui::ComboboxModel {
public:
ComboboxModelExampleList() {}
virtual ~ComboboxModelExampleList() {}
// Overridden from ui::ComboboxModel:
virtual int GetItemCount() const OVERRIDE { return example_list_.size(); }
virtual base::string16 GetItemAt(int index) OVERRIDE {
return UTF8ToUTF16(example_list_[index]->example_title());
}
View* GetItemViewAt(int index) {
return example_list_[index]->example_view();
}
void AddExample(ExampleBase* example) {
example_list_.push_back(example);
}
private:
ScopedVector<ExampleBase> example_list_;
DISALLOW_COPY_AND_ASSIGN(ComboboxModelExampleList);
};
class ExamplesWindowContents : public WidgetDelegateView,
public ComboboxListener {
public:
ExamplesWindowContents(Operation operation)
: combobox_(new Combobox(&combobox_model_)),
example_shown_(new View),
status_label_(new Label),
operation_(operation) {
instance_ = this;
combobox_->set_listener(this);
}
virtual ~ExamplesWindowContents() {
// Delete |combobox_| first as it references |combobox_model_|.
delete combobox_;
combobox_ = NULL;
}
// Prints a message in the status area, at the bottom of the window.
void SetStatus(const std::string& status) {
status_label_->SetText(UTF8ToUTF16(status));
}
static ExamplesWindowContents* instance() { return instance_; }
private:
// Overridden from WidgetDelegateView:
virtual bool CanResize() const OVERRIDE { return true; }
virtual bool CanMaximize() const OVERRIDE { return true; }
virtual base::string16 GetWindowTitle() const OVERRIDE {
return ASCIIToUTF16("Views Examples");
}
virtual View* GetContentsView() OVERRIDE { return this; }
virtual void WindowClosing() OVERRIDE {
instance_ = NULL;
if (operation_ == QUIT_ON_CLOSE)
base::MessageLoopForUI::current()->Quit();
}
// Overridden from View:
virtual void ViewHierarchyChanged(
const ViewHierarchyChangedDetails& details) OVERRIDE {
if (details.is_add && details.child == this)
InitExamplesWindow();
}
// Overridden from ComboboxListener:
virtual void OnSelectedIndexChanged(Combobox* combobox) OVERRIDE {
DCHECK_EQ(combobox, combobox_);
DCHECK(combobox->selected_index() < combobox_model_.GetItemCount());
example_shown_->RemoveAllChildViews(false);
example_shown_->AddChildView(combobox_model_.GetItemViewAt(
combobox->selected_index()));
example_shown_->RequestFocus();
SetStatus(std::string());
Layout();
}
// Creates the layout within the examples window.
void InitExamplesWindow() {
AddExamples();
set_background(Background::CreateStandardPanelBackground());
GridLayout* layout = new GridLayout(this);
SetLayoutManager(layout);
ColumnSet* column_set = layout->AddColumnSet(0);
column_set->AddPaddingColumn(0, 5);
column_set->AddColumn(GridLayout::FILL, GridLayout::FILL, 1,
GridLayout::USE_PREF, 0, 0);
column_set->AddPaddingColumn(0, 5);
layout->AddPaddingRow(0, 5);
layout->StartRow(0 /* no expand */, 0);
layout->AddView(combobox_);
if (combobox_model_.GetItemCount() > 0) {
layout->StartRow(1, 0);
example_shown_->SetLayoutManager(new FillLayout());
example_shown_->AddChildView(combobox_model_.GetItemViewAt(0));
layout->AddView(example_shown_);
}
layout->StartRow(0 /* no expand */, 0);
layout->AddView(status_label_);
layout->AddPaddingRow(0, 5);
}
// Adds all the individual examples to the combobox model.
void AddExamples() {
// Please keep this list in alphabetical order!
combobox_model_.AddExample(new BubbleExample);
combobox_model_.AddExample(new ButtonExample);
combobox_model_.AddExample(new CheckboxExample);
combobox_model_.AddExample(new ComboboxExample);
combobox_model_.AddExample(new DoubleSplitViewExample);
combobox_model_.AddExample(new LabelExample);
combobox_model_.AddExample(new LinkExample);
combobox_model_.AddExample(new MenuExample);
combobox_model_.AddExample(new MessageBoxExample);
combobox_model_.AddExample(new MultilineExample);
combobox_model_.AddExample(new ProgressBarExample);
combobox_model_.AddExample(new RadioButtonExample);
combobox_model_.AddExample(new ScrollViewExample);
combobox_model_.AddExample(new SingleSplitViewExample);
combobox_model_.AddExample(new SliderExample);
combobox_model_.AddExample(new TabbedPaneExample);
combobox_model_.AddExample(new TableExample);
combobox_model_.AddExample(new TextExample);
combobox_model_.AddExample(new TextfieldExample);
combobox_model_.AddExample(new ThrobberExample);
combobox_model_.AddExample(new TreeViewExample);
combobox_model_.AddExample(new WidgetExample);
}
static ExamplesWindowContents* instance_;
ComboboxModelExampleList combobox_model_;
Combobox* combobox_;
View* example_shown_;
Label* status_label_;
const Operation operation_;
DISALLOW_COPY_AND_ASSIGN(ExamplesWindowContents);
};
// static
ExamplesWindowContents* ExamplesWindowContents::instance_ = NULL;
void ShowExamplesWindow(Operation operation) {
if (ExamplesWindowContents::instance()) {
ExamplesWindowContents::instance()->GetWidget()->Activate();
} else {
Widget::CreateWindowWithBounds(new ExamplesWindowContents(operation),
gfx::Rect(0, 0, 850, 300))->Show();
}
}
void LogStatus(const std::string& string) {
ExamplesWindowContents::instance()->SetStatus(string);
}
} // namespace examples
} // namespace views
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