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// Copyright 2014 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 "chrome/browser/ui/views/autofill/expanding_textfield.h"
#include "base/bind.h"
#include "base/strings/string_split.h"
#include "base/strings/string_util.h"
#include "base/strings/utf_string_conversions.h"
#include "chrome/browser/ui/views/autofill/decorated_textfield.h"
#include "ui/views/layout/box_layout.h"
namespace autofill {
namespace {
// The vertical padding between textfields.
const int kManualInputRowPadding = 10;
} // namespace
// static
const char ExpandingTextfield::kViewClassName[] = "autofill/ExpandingTextfield";
ExpandingTextfield::ExpandingTextfield(
const base::string16& default_value,
const base::string16& placeholder,
bool multiline,
views::TextfieldController* controller)
: controller_(controller) {
textfields_.push_back(
new DecoratedTextfield(base::string16(), placeholder, this));
if (multiline) {
textfields_.push_back(
new DecoratedTextfield(base::string16(), placeholder, this));
}
SetText(default_value);
for (std::list<DecoratedTextfield*>::iterator iter = textfields_.begin();
iter != textfields_.end(); ++iter) {
AddChildView(*iter);
}
SetLayoutManager(new views::BoxLayout(views::BoxLayout::kVertical, 0, 0,
kManualInputRowPadding));
}
ExpandingTextfield::~ExpandingTextfield() {}
void ExpandingTextfield::SetText(const base::string16& text) {
textfields_.front()->SetText(text);
std::vector<base::string16> strings = base::SplitString(
text, base::string16(1, '\n'),
base::KEEP_WHITESPACE, base::SPLIT_WANT_ALL);
size_t i = 0;
for (std::list<DecoratedTextfield*>::iterator iter = textfields_.begin();
iter != textfields_.end(); ++iter) {
(*iter)->SetText(i < strings.size() ? strings[i++] : base::string16());
}
for (; i < strings.size(); ++i) {
textfields_.push_back(new DecoratedTextfield(
strings[i],
textfields_.front()->GetPlaceholderText(),
this));
AddChildView(textfields_.back());
PreferredSizeChanged();
}
}
base::string16 ExpandingTextfield::GetText() {
base::string16 text = textfields_.front()->text();
std::list<DecoratedTextfield*>::const_iterator iter = ++textfields_.begin();
while (iter != textfields_.end()) {
text += base::ASCIIToUTF16("\n") + (*iter++)->text();
}
base::TrimWhitespace(text, base::TRIM_ALL, &text);
return text;
}
void ExpandingTextfield::SetInvalid(bool invalid) {
textfields_.front()->SetInvalid(invalid);
}
void ExpandingTextfield::SetDefaultWidthInCharacters(int chars) {
ForEachTextfield(&DecoratedTextfield::set_default_width_in_chars, chars);
}
void ExpandingTextfield::SetPlaceholderText(const base::string16& placeholder) {
ForEachTextfield<views::Textfield, const base::string16&>(
&DecoratedTextfield::set_placeholder_text, placeholder);
}
void ExpandingTextfield::SetIcon(const gfx::Image& icon) {
textfields_.front()->SetIcon(icon);
}
void ExpandingTextfield::SetTooltipIcon(const base::string16& text) {
textfields_.front()->SetTooltipIcon(text);
}
void ExpandingTextfield::SetEditable(bool editable) {
ForEachTextfield(&DecoratedTextfield::SetEditable, editable);
}
const char* ExpandingTextfield::GetClassName() const {
return kViewClassName;
}
void ExpandingTextfield::ContentsChanged(views::Textfield* sender,
const base::string16& new_contents) {
if (textfields_.size() > 1 && sender == textfields_.back() &&
!new_contents.empty()) {
textfields_.push_back(
new DecoratedTextfield(base::string16(),
sender->GetPlaceholderText(),
this));
AddChildView(textfields_.back());
PreferredSizeChanged();
}
controller_->ContentsChanged(sender, new_contents);
}
bool ExpandingTextfield::HandleKeyEvent(views::Textfield* sender,
const ui::KeyEvent& key_event) {
return controller_->HandleKeyEvent(sender, key_event);
}
bool ExpandingTextfield::HandleMouseEvent(views::Textfield* sender,
const ui::MouseEvent& mouse_event) {
return controller_->HandleMouseEvent(sender, mouse_event);
}
template <typename BaseType, typename Param>
void ExpandingTextfield::ForEachTextfield(
void (BaseType::* f)(Param), Param p) const {
for (std::list<DecoratedTextfield*>::const_iterator iter =
textfields_.begin();
iter != textfields_.end(); ++iter) {
base::Bind(f, base::Unretained(*iter), p).Run();
}
}
} // namespace autofill
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