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// Copyright 2011 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "ui/views/examples/tabbed_pane_example.h"
#include <memory>
#include <utility>
#include "base/format_macros.h"
#include "base/strings/stringprintf.h"
#include "base/strings/utf_string_conversions.h"
#include "ui/base/l10n/l10n_util.h"
#include "ui/views/controls/button/label_button.h"
#include "ui/views/controls/tabbed_pane/tabbed_pane.h"
#include "ui/views/examples/examples_window.h"
#include "ui/views/examples/grit/views_examples_resources.h"
#include "ui/views/layout/flex_layout.h"
#include "ui/views/layout/flex_layout_types.h"
#include "ui/views/view_class_properties.h"
using l10n_util::GetStringUTF16;
using l10n_util::GetStringUTF8;
namespace views::examples {
TabbedPaneExample::TabbedPaneExample()
: ExampleBase(GetStringUTF8(IDS_TABBED_PANE_SELECT_LABEL).c_str()) {}
TabbedPaneExample::~TabbedPaneExample() {
if (tabbed_pane_) {
tabbed_pane_->SetListener(nullptr);
}
}
void TabbedPaneExample::CreateExampleView(View* container) {
container->SetLayoutManager(std::make_unique<views::FlexLayout>())
->SetOrientation(LayoutOrientation::kVertical);
// Add control buttons horizontally.
auto* const button_panel = container->AddChildView(std::make_unique<View>());
button_panel->SetLayoutManager(std::make_unique<views::FlexLayout>());
button_panel->AddChildView(std::make_unique<LabelButton>(
base::BindRepeating(&TabbedPaneExample::SwapLayout,
base::Unretained(this)),
GetStringUTF16(IDS_TABBED_PANE_SWAP_LAYOUT_LABEL)));
toggle_highlighted_ =
button_panel->AddChildView(std::make_unique<LabelButton>(
base::BindRepeating(&TabbedPaneExample::ToggleHighlighted,
base::Unretained(this)),
GetStringUTF16(IDS_TABBED_PANE_TOGGLE_HIGHLIGHTED_LABEL)));
button_panel->AddChildView(std::make_unique<LabelButton>(
base::BindRepeating(&TabbedPaneExample::AddTab, base::Unretained(this),
GetStringUTF16(IDS_TABBED_PANE_ADDED_LABEL)),
GetStringUTF16(IDS_TABBED_PANE_ADD_LABEL)));
button_panel->AddChildView(std::make_unique<LabelButton>(
base::BindRepeating(&TabbedPaneExample::AddAt, base::Unretained(this)),
GetStringUTF16(IDS_TABBED_PANE_ADD_1_LABEL)));
button_panel->AddChildView(std::make_unique<LabelButton>(
base::BindRepeating(&TabbedPaneExample::SelectAt, base::Unretained(this)),
GetStringUTF16(IDS_TABBED_PANE_SELECT_1_LABEL)));
const auto full_flex = FlexSpecification(MinimumFlexSizeRule::kScaleToZero,
MaximumFlexSizeRule::kUnbounded)
.WithWeight(1);
for (View* view : button_panel->children()) {
view->SetProperty(views::kFlexBehaviorKey, full_flex);
}
CreateTabbedPane(container, TabbedPane::Orientation::kHorizontal,
TabbedPane::TabStripStyle::kBorder);
}
void TabbedPaneExample::TabSelectedAt(int index) {
// Just print the status when selection changes.
PrintCurrentStatus();
}
void TabbedPaneExample::CreateTabbedPane(View* container,
TabbedPane::Orientation orientation,
TabbedPane::TabStripStyle style) {
// Tabbed panes only support highlighted style for vertical tabs.
if (orientation == TabbedPane::Orientation::kHorizontal) {
style = TabbedPane::TabStripStyle::kBorder;
}
tabbed_pane_ = container->AddChildViewAt(
std::make_unique<TabbedPane>(orientation, style), 0);
tabbed_pane_->SetListener(this);
toggle_highlighted_->SetEnabled(orientation ==
TabbedPane::Orientation::kVertical);
const auto full_flex = FlexSpecification(MinimumFlexSizeRule::kScaleToZero,
MaximumFlexSizeRule::kUnbounded)
.WithWeight(1);
tabbed_pane_->SetProperty(views::kFlexBehaviorKey, full_flex);
AddTab(GetStringUTF16(IDS_TABBED_PANE_TAB_1_LABEL));
AddTab(GetStringUTF16(IDS_TABBED_PANE_TAB_2_LABEL));
AddTab(GetStringUTF16(IDS_TABBED_PANE_TAB_3_LABEL));
}
void TabbedPaneExample::PrintCurrentStatus() {
PrintStatus(base::StringPrintf("Tab Count:%" PRIuS ", Selected Tab:%" PRIuS,
tabbed_pane_->GetTabCount(),
tabbed_pane_->GetSelectedTabIndex()));
}
void TabbedPaneExample::SwapLayout() {
auto* const container = tabbed_pane_->parent();
const auto orientation =
(tabbed_pane_->GetOrientation() == TabbedPane::Orientation::kHorizontal)
? TabbedPane::Orientation::kVertical
: TabbedPane::Orientation::kHorizontal;
const auto style = tabbed_pane_->GetStyle();
container->RemoveChildView(tabbed_pane_);
CreateTabbedPane(container, orientation, style);
}
void TabbedPaneExample::ToggleHighlighted() {
auto* const container = tabbed_pane_->parent();
const auto orientation = tabbed_pane_->GetOrientation();
const auto style =
(tabbed_pane_->GetStyle() == TabbedPane::TabStripStyle::kBorder)
? TabbedPane::TabStripStyle::kHighlight
: TabbedPane::TabStripStyle::kBorder;
container->RemoveChildView(tabbed_pane_);
CreateTabbedPane(container, orientation, style);
}
void TabbedPaneExample::AddTab(const std::u16string& label) {
tabbed_pane_->AddTab(
label, std::make_unique<LabelButton>(Button::PressedCallback(), label));
PrintCurrentStatus();
}
void TabbedPaneExample::AddAt() {
const std::u16string label = GetStringUTF16(IDS_TABBED_PANE_ADDED_1_LABEL);
tabbed_pane_->AddTabAtIndex(
1, label,
std::make_unique<LabelButton>(Button::PressedCallback(), label));
PrintCurrentStatus();
}
void TabbedPaneExample::SelectAt() {
if (tabbed_pane_->GetTabCount() > 1) {
tabbed_pane_->SelectTabAt(1);
}
}
} // namespace views::examples
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