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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/textfield_example.h"
#include <stddef.h>
#include <memory>
#include <utility>
#include "base/strings/utf_string_conversions.h"
#include "ui/base/l10n/l10n_util.h"
#include "ui/events/event.h"
#include "ui/gfx/color_palette.h"
#include "ui/gfx/range/range.h"
#include "ui/gfx/render_text.h"
#include "ui/views/controls/button/label_button.h"
#include "ui/views/controls/label.h"
#include "ui/views/controls/textfield/textfield.h"
#include "ui/views/examples/examples_window.h"
#include "ui/views/examples/grit/views_examples_resources.h"
#include "ui/views/layout/grid_layout.h"
#include "ui/views/view.h"
using l10n_util::GetStringUTF16;
using l10n_util::GetStringUTF8;
namespace views {
namespace examples {
namespace {
template <class K, class T>
T* MakeRow(GridLayout* layout,
std::unique_ptr<K> view1,
std::unique_ptr<T> view2) {
layout->StartRowWithPadding(0, 0, 0, 5);
if (view1)
layout->AddView(std::move(view1));
return layout->AddView(std::move(view2));
}
} // namespace
TextfieldExample::TextfieldExample()
: ExampleBase(GetStringUTF8(IDS_TEXTFIELD_SELECT_LABEL).c_str()) {}
TextfieldExample::~TextfieldExample() = default;
void TextfieldExample::CreateExampleView(View* container) {
auto name = std::make_unique<Textfield>();
name->set_controller(this);
auto password = std::make_unique<Textfield>();
password->SetTextInputType(ui::TEXT_INPUT_TYPE_PASSWORD);
password->SetPlaceholderText(
GetStringUTF16(IDS_TEXTFIELD_PASSWORD_PLACEHOLDER));
password->set_controller(this);
auto disabled = std::make_unique<Textfield>();
disabled->SetEnabled(false);
disabled->SetText(GetStringUTF16(IDS_TEXTFIELD_DISABLED_PLACEHOLDER));
auto read_only = std::make_unique<Textfield>();
read_only->SetReadOnly(true);
read_only->SetText(GetStringUTF16(IDS_TEXTFFIELD_READ_ONLY_PLACEHOLDER));
auto invalid = std::make_unique<Textfield>();
invalid->SetInvalid(true);
auto rtl = std::make_unique<Textfield>();
rtl->ChangeTextDirectionAndLayoutAlignment(base::i18n::RIGHT_TO_LEFT);
GridLayout* layout =
container->SetLayoutManager(std::make_unique<views::GridLayout>());
ColumnSet* column_set = layout->AddColumnSet(0);
column_set->AddColumn(GridLayout::LEADING, GridLayout::FILL, 0.2f,
GridLayout::ColumnSize::kUsePreferred, 0, 0);
column_set->AddColumn(GridLayout::FILL, GridLayout::FILL, 0.8f,
GridLayout::ColumnSize::kUsePreferred, 0, 0);
name_ = MakeRow(
layout, std::make_unique<Label>(GetStringUTF16(IDS_TEXTFIELD_NAME_LABEL)),
std::move(name));
password_ = MakeRow(
layout,
std::make_unique<Label>(GetStringUTF16(IDS_TEXTFIELD_PASSWORD_LABEL)),
std::move(password));
disabled_ = MakeRow(
layout,
std::make_unique<Label>(GetStringUTF16(IDS_TEXTFIELD_DISABLED_LABEL)),
std::move(disabled));
read_only_ = MakeRow(
layout,
std::make_unique<Label>(GetStringUTF16(IDS_TEXTFIELD_READ_ONLY_LABEL)),
std::move(read_only));
invalid_ = MakeRow(
layout,
std::make_unique<Label>(GetStringUTF16(IDS_TEXTFIELD_INVALID_LABEL)),
std::move(invalid));
rtl_ = MakeRow(
layout, std::make_unique<Label>(GetStringUTF16(IDS_TEXTFIELD_RTL_LABEL)),
std::move(rtl));
MakeRow<View, Label>(
layout, nullptr,
std::make_unique<Label>(GetStringUTF16(IDS_TEXTFIELD_NAME_LABEL)));
show_password_ = MakeRow<View, LabelButton>(
layout, nullptr,
std::make_unique<LabelButton>(
base::BindRepeating(
[](TextfieldExample* example) {
PrintStatus(
"Password [%s]",
base::UTF16ToUTF8(example->password_->GetText()).c_str());
},
base::Unretained(this)),
GetStringUTF16(IDS_TEXTFIELD_SHOW_PASSWORD_LABEL)));
set_background_ = MakeRow<View, LabelButton>(
layout, nullptr,
std::make_unique<LabelButton>(
base::BindRepeating(&Textfield::SetBackgroundColor,
base::Unretained(password_), gfx::kGoogleRed300),
GetStringUTF16(IDS_TEXTFIELD_BACKGROUND_LABEL)));
clear_all_ = MakeRow<View, LabelButton>(
layout, nullptr,
std::make_unique<LabelButton>(
base::BindRepeating(&TextfieldExample::ClearAllButtonPressed,
base::Unretained(this)),
GetStringUTF16(IDS_TEXTFIELD_CLEAR_LABEL)));
append_ = MakeRow<View, LabelButton>(
layout, nullptr,
std::make_unique<LabelButton>(
base::BindRepeating(&TextfieldExample::AppendButtonPressed,
base::Unretained(this)),
GetStringUTF16(IDS_TEXTFIELD_APPEND_LABEL)));
set_ = MakeRow<View, LabelButton>(
layout, nullptr,
std::make_unique<LabelButton>(
base::BindRepeating(&TextfieldExample::SetButtonPressed,
base::Unretained(this)),
GetStringUTF16(IDS_TEXTFIELD_SET_LABEL)));
set_style_ = MakeRow<View, LabelButton>(
layout, nullptr,
std::make_unique<LabelButton>(
base::BindRepeating(&TextfieldExample::SetStyleButtonPressed,
base::Unretained(this)),
GetStringUTF16(IDS_TEXTFIELD_SET_STYLE_LABEL)));
}
bool TextfieldExample::HandleKeyEvent(Textfield* sender,
const ui::KeyEvent& key_event) {
return false;
}
bool TextfieldExample::HandleMouseEvent(Textfield* sender,
const ui::MouseEvent& mouse_event) {
PrintStatus("HandleMouseEvent click count=%d", mouse_event.GetClickCount());
return false;
}
void TextfieldExample::ClearAllButtonPressed() {
name_->SetText(base::string16());
password_->SetText(base::string16());
disabled_->SetText(base::string16());
read_only_->SetText(base::string16());
invalid_->SetText(base::string16());
rtl_->SetText(base::string16());
}
void TextfieldExample::AppendButtonPressed() {
const base::string16 append_text =
GetStringUTF16(IDS_TEXTFIELD_APPEND_UPDATE_TEXT);
name_->AppendText(append_text);
password_->AppendText(append_text);
disabled_->SetText(append_text);
read_only_->AppendText(append_text);
invalid_->AppendText(append_text);
rtl_->AppendText(append_text);
}
void TextfieldExample::SetButtonPressed() {
const base::string16 set_text = GetStringUTF16(IDS_TEXTFIELD_SET_UPDATE_TEXT);
name_->SetText(set_text);
password_->SetText(set_text);
disabled_->SetText(set_text);
read_only_->SetText(set_text);
invalid_->SetText(set_text);
rtl_->SetText(set_text);
}
void TextfieldExample::SetStyleButtonPressed() {
if (name_->GetText().empty())
return;
name_->SetColor(SK_ColorGREEN);
const size_t fifth = name_->GetText().length() / 5;
if (!fifth)
return;
const gfx::Range big_range(1 * fifth, 4 * fifth);
name_->ApplyStyle(gfx::TEXT_STYLE_UNDERLINE, true, big_range);
name_->ApplyColor(SK_ColorBLUE, big_range);
const gfx::Range small_range(2 * fifth, 3 * fifth);
name_->ApplyStyle(gfx::TEXT_STYLE_ITALIC, true, small_range);
name_->ApplyStyle(gfx::TEXT_STYLE_UNDERLINE, false, small_range);
name_->ApplyColor(SK_ColorRED, small_range);
}
} // namespace examples
} // namespace views
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