| // Copyright 2016 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. |
| |
| #import "ios/chrome/browser/ui/settings/cells/card_multiline_item.h" |
| |
| #import "ios/chrome/browser/ui/util/uikit_ui_util.h" |
| #import "ios/chrome/common/ui_util/constraints_ui_util.h" |
| |
| #if !defined(__has_feature) || !__has_feature(objc_arc) |
| #error "This file requires ARC support." |
| #endif |
| |
| namespace { |
| // Padding used on the leading and trailing edges of the cell. |
| const CGFloat kHorizontalPadding = 16; |
| |
| // Padding used on the top and bottom edges of the cell. |
| const CGFloat kVerticalPadding = 16; |
| } // namespace |
| |
| @implementation CardMultilineItem |
| |
| @synthesize text = _text; |
| |
| - (instancetype)initWithType:(NSInteger)type { |
| self = [super initWithType:type]; |
| if (self) { |
| self.cellClass = [CardMultilineCell class]; |
| } |
| return self; |
| } |
| |
| #pragma mark TableViewItem |
| |
| - (void)configureCell:(CardMultilineCell*)cell |
| withStyler:(ChromeTableViewStyler*)styler { |
| [super configureCell:cell withStyler:styler]; |
| cell.selectionStyle = UITableViewCellSelectionStyleNone; |
| cell.textLabel.text = self.text; |
| } |
| |
| @end |
| |
| @implementation CardMultilineCell |
| |
| @synthesize textLabel = _textLabel; |
| |
| - (instancetype)initWithStyle:(UITableViewCellStyle)style |
| reuseIdentifier:(NSString*)reuseIdentifier { |
| self = [super initWithStyle:style reuseIdentifier:reuseIdentifier]; |
| if (self) { |
| UIView* contentView = self.contentView; |
| |
| _textLabel = [[UILabel alloc] init]; |
| _textLabel.translatesAutoresizingMaskIntoConstraints = NO; |
| _textLabel.numberOfLines = 0; |
| _textLabel.font = [UIFont preferredFontForTextStyle:UIFontTextStyleBody]; |
| _textLabel.adjustsFontForContentSizeCategory = YES; |
| [contentView addSubview:_textLabel]; |
| |
| // Set up the constraints. |
| [NSLayoutConstraint activateConstraints:@[ |
| [_textLabel.leadingAnchor |
| constraintEqualToAnchor:contentView.leadingAnchor |
| constant:kHorizontalPadding], |
| [_textLabel.trailingAnchor |
| constraintEqualToAnchor:contentView.trailingAnchor |
| constant:-kHorizontalPadding], |
| ]]; |
| AddOptionalVerticalPadding(contentView, _textLabel, kVerticalPadding); |
| } |
| return self; |
| } |
| |
| // Implements -layoutSubviews as per instructions in documentation for |
| // +[MDCCollectionViewCell cr_preferredHeightForWidth:forItem:]. |
| - (void)layoutSubviews { |
| [super layoutSubviews]; |
| |
| // Adjust the text label preferredMaxLayoutWidth when the parent's width |
| // changes, for instance on screen rotation. |
| CGFloat parentWidth = CGRectGetWidth(self.contentView.bounds); |
| self.textLabel.preferredMaxLayoutWidth = parentWidth - 2 * kHorizontalPadding; |
| |
| // Re-layout with the new preferred width to allow the label to adjust its |
| // height. |
| [super layoutSubviews]; |
| } |
| |
| @end |