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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/button_example.h"
#include "base/strings/utf_string_conversions.h"
#include "ui/base/resource/resource_bundle.h"
#include "ui/gfx/image/image.h"
#include "ui/resources/grit/ui_resources.h"
#include "ui/views/background.h"
#include "ui/views/controls/button/blue_button.h"
#include "ui/views/controls/button/image_button.h"
#include "ui/views/controls/button/label_button.h"
#include "ui/views/controls/button/md_text_button.h"
#include "ui/views/layout/box_layout.h"
#include "ui/views/resources/grit/views_resources.h"
#include "ui/views/view.h"
using base::ASCIIToUTF16;
namespace {
const char kLabelButton[] = "Label Button";
const char kLongText[] = "Start of Really Really Really Really Really Really "
"Really Really Really Really Really Really Really "
"Really Really Really Really Really Long Button Text";
} // namespace
namespace views {
namespace examples {
ButtonExample::ButtonExample()
: ExampleBase("Button"),
label_button_(NULL),
image_button_(NULL),
icon_(NULL),
count_(0) {
ui::ResourceBundle& rb = ui::ResourceBundle::GetSharedInstance();
icon_ = rb.GetImageNamed(IDR_CLOSE_H).ToImageSkia();
}
ButtonExample::~ButtonExample() {
}
void ButtonExample::CreateExampleView(View* container) {
container->set_background(Background::CreateSolidBackground(SK_ColorWHITE));
BoxLayout* layout = new BoxLayout(BoxLayout::kVertical, 10, 10, 10);
layout->set_cross_axis_alignment(BoxLayout::CROSS_AXIS_ALIGNMENT_CENTER);
container->SetLayoutManager(layout);
label_button_ = new LabelButton(this, ASCIIToUTF16(kLabelButton));
label_button_->SetFocusable(true);
container->AddChildView(label_button_);
LabelButton* styled_button =
new LabelButton(this, ASCIIToUTF16("Styled Button"));
styled_button->SetStyle(Button::STYLE_BUTTON);
container->AddChildView(styled_button);
LabelButton* disabled_button =
new LabelButton(this, ASCIIToUTF16("Disabled Button"));
disabled_button->SetStyle(Button::STYLE_BUTTON);
disabled_button->SetState(Button::STATE_DISABLED);
container->AddChildView(disabled_button);
container->AddChildView(new BlueButton(this, ASCIIToUTF16("Blue Button")));
container->AddChildView(
new MdTextButton(nullptr, base::ASCIIToUTF16("Material design")));
ui::ResourceBundle& rb = ui::ResourceBundle::GetSharedInstance();
image_button_ = new ImageButton(this);
image_button_->SetFocusable(true);
image_button_->SetImage(ImageButton::STATE_NORMAL,
rb.GetImageNamed(IDR_CLOSE).ToImageSkia());
image_button_->SetImage(ImageButton::STATE_HOVERED,
rb.GetImageNamed(IDR_CLOSE_H).ToImageSkia());
image_button_->SetImage(ImageButton::STATE_PRESSED,
rb.GetImageNamed(IDR_CLOSE_P).ToImageSkia());
container->AddChildView(image_button_);
}
void ButtonExample::LabelButtonPressed(const ui::Event& event) {
PrintStatus("Label Button Pressed! count: %d", ++count_);
if (event.IsControlDown()) {
if (event.IsShiftDown()) {
label_button_->SetText(ASCIIToUTF16(
label_button_->GetText().empty()
? kLongText
: label_button_->GetText().length() > 50 ? kLabelButton : ""));
} else if (event.IsAltDown()) {
label_button_->SetImage(Button::STATE_NORMAL,
label_button_->GetImage(Button::STATE_NORMAL).isNull() ?
*icon_ : gfx::ImageSkia());
} else {
static int alignment = 0;
label_button_->SetHorizontalAlignment(
static_cast<gfx::HorizontalAlignment>(++alignment % 3));
}
} else if (event.IsShiftDown()) {
if (event.IsAltDown()) {
label_button_->SetFocusable(!label_button_->IsFocusable());
} else {
label_button_->SetStyle(static_cast<Button::ButtonStyle>(
(label_button_->style() + 1) % Button::STYLE_COUNT));
}
} else if (event.IsAltDown()) {
label_button_->SetIsDefault(!label_button_->is_default());
} else {
label_button_->SetMinSize(gfx::Size());
}
example_view()->GetLayoutManager()->Layout(example_view());
}
void ButtonExample::ButtonPressed(Button* sender, const ui::Event& event) {
if (sender == label_button_)
LabelButtonPressed(event);
else
PrintStatus("Image Button Pressed! count: %d", ++count_);
}
} // namespace examples
} // namespace views
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