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// Copyright (c) 2009 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.
#ifndef VIEWS_EXAMPLES_TABBED_PANE_EXAMPLE_H_
#define VIEWS_EXAMPLES_TABBED_PANE_EXAMPLE_H_
#include "base/compiler_specific.h"
#include "base/string_util.h"
#include "views/controls/button/text_button.h"
#include "views/controls/tabbed_pane/tabbed_pane.h"
#include "views/examples/example_base.h"
namespace examples {
// A TabbedPane example tests adding/removing/selecting tabs.
class TabbedPaneExample : protected ExampleBase,
private views::ButtonListener,
views::TabbedPane::Listener {
public:
TabbedPaneExample(views::TabbedPane* parent, views::Label* message)
: ExampleBase(message),
tabbed_pane_(new views::TabbedPane()),
ALLOW_THIS_IN_INITIALIZER_LIST(
add_(new views::TextButton(this, L"Add"))),
ALLOW_THIS_IN_INITIALIZER_LIST(
add_at_(new views::TextButton(this, L"Add At 1"))),
ALLOW_THIS_IN_INITIALIZER_LIST(
remove_at_(new views::TextButton(this, L"Remove At 1"))),
ALLOW_THIS_IN_INITIALIZER_LIST(
select_at_(new views::TextButton(this, L"Select At 1"))) {
views::View* container = new views::View();
parent->AddTab(L"Tabbed Pane", container);
views::GridLayout* layout = new views::GridLayout(container);
container->SetLayoutManager(layout);
const int tabbed_pane_column = 0;
views::ColumnSet* column_set = layout->AddColumnSet(tabbed_pane_column);
column_set->AddColumn(views::GridLayout::FILL, views::GridLayout::FILL,
1.0f, views::GridLayout::USE_PREF, 0, 0);
layout->StartRow(1 /* expand */, tabbed_pane_column);
layout->AddView(tabbed_pane_);
// Create a few tabs with a button first.
AddButton(tabbed_pane_, L"Tab 1");
AddButton(tabbed_pane_, L"Tab 2");
// Add control buttons horizontally.
const int button_column = 1;
column_set = layout->AddColumnSet(button_column);
for (int i = 0; i < 4; i++) {
column_set->AddColumn(views::GridLayout::FILL, views::GridLayout::FILL,
1.0f, views::GridLayout::USE_PREF, 0, 0);
}
layout->StartRow(0 /* no expand */, button_column);
layout->AddView(add_);
layout->AddView(add_at_);
layout->AddView(remove_at_);
layout->AddView(select_at_);
}
virtual ~TabbedPaneExample() {}
private:
// ButtonListener overrides.
virtual void ButtonPressed(views::Button* sender, const views::Event& event) {
if (sender == add_) {
AddButton(tabbed_pane_, L"Added");
} else if (sender == add_at_) {
const std::wstring label = L"Added at 1";
tabbed_pane_->AddTabAtIndex(1, label,
new views::TextButton(NULL, label), true);
} else if (sender == remove_at_) {
if (tabbed_pane_->GetTabCount() > 1)
delete tabbed_pane_->RemoveTabAtIndex(1);
} else if (sender == select_at_) {
if (tabbed_pane_->GetTabCount() > 1)
tabbed_pane_->SelectTabAt(1);
}
PrintStatus();
}
// TabbedPane::Listener overrides.
virtual void TabSelectedAt(int index) {
// Just print the status when selection changes.
PrintStatus();
}
// Print the status of the tab in the status area.
void PrintStatus() {
ExampleBase::PrintStatus(L"Tab Count:%d, Selected Tab:%d",
tabbed_pane_->GetTabCount(),
tabbed_pane_->GetSelectedTabIndex());
}
// The tabbed pane to be tested.
views::TabbedPane* tabbed_pane_;
// Control buttons to add, remove or select tabs.
views::Button* add_, *add_at_, *remove_at_, *select_at_;
DISALLOW_COPY_AND_ASSIGN(TabbedPaneExample);
};
} // namespace examples
#endif // VIEWS_EXAMPLES_TABBED_PANE_EXAMPLE_H_
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