| // Copyright 2018 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/table_view/cells/table_view_detail_text_item.h" |
| |
| #import "ios/chrome/browser/ui/table_view/cells/table_view_cells_constants.h" |
| #import "ios/chrome/browser/ui/table_view/chrome_table_view_styler.h" |
| #import "ios/chrome/browser/ui/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 { |
| const CGFloat kMinimalHeight = 48; |
| } // namespace |
| |
| #pragma mark - TableViewDetailTextItem |
| |
| @implementation TableViewDetailTextItem |
| |
| - (instancetype)initWithType:(NSInteger)type { |
| self = [super initWithType:type]; |
| if (self) { |
| self.cellClass = [TableViewDetailTextCell class]; |
| } |
| return self; |
| } |
| |
| #pragma mark - TableViewItem |
| |
| - (void)configureCell:(TableViewDetailTextCell*)cell |
| withStyler:(ChromeTableViewStyler*)styler { |
| [super configureCell:cell withStyler:styler]; |
| cell.accessoryType = self.accessoryType; |
| cell.textLabel.text = self.text; |
| cell.detailTextLabel.text = self.detailText; |
| cell.isAccessibilityElement = YES; |
| if ([self.accessibilityLabel length] != 0) { |
| cell.accessibilityLabel = self.accessibilityLabel; |
| } else { |
| if (self.detailText.length == 0) { |
| cell.accessibilityLabel = self.text; |
| } else { |
| cell.accessibilityLabel = |
| [NSString stringWithFormat:@"%@, %@", self.text, self.detailText]; |
| } |
| } |
| |
| // Styling. |
| if (self.textColor) { |
| cell.textLabel.textColor = self.textColor; |
| } else if (styler.cellTitleColor) { |
| cell.textLabel.textColor = styler.cellTitleColor; |
| } else { |
| cell.textLabel.textColor = |
| UIColorFromRGB(kTableViewTextLabelColorLightGrey); |
| } |
| if (self.detailTextColor) { |
| cell.detailTextLabel.textColor = self.detailTextColor; |
| } else { |
| cell.detailTextLabel.textColor = |
| UIColorFromRGB(kSecondaryLabelLightGrayTextColor); |
| } |
| cell.textLabel.textAlignment = |
| self.textAlignment ? self.textAlignment : NSTextAlignmentNatural; |
| cell.detailTextLabel.textAlignment = |
| self.textAlignment ? self.textAlignment : NSTextAlignmentNatural; |
| } |
| |
| @end |
| |
| #pragma mark - TableViewDetailTextCell |
| |
| @implementation TableViewDetailTextCell |
| |
| @synthesize textLabel = _textLabel; |
| @synthesize detailTextLabel = _detailTextLabel; |
| |
| - (instancetype)initWithStyle:(UITableViewCellStyle)style |
| reuseIdentifier:(NSString*)reuseIdentifier { |
| self = [super initWithStyle:style reuseIdentifier:reuseIdentifier]; |
| if (self) { |
| UIView* containerView = [[UIView alloc] initWithFrame:CGRectZero]; |
| containerView.translatesAutoresizingMaskIntoConstraints = NO; |
| [self.contentView addSubview:containerView]; |
| |
| _textLabel = [[UILabel alloc] initWithFrame:CGRectZero]; |
| _textLabel.font = [UIFont preferredFontForTextStyle:UIFontTextStyleBody]; |
| _textLabel.adjustsFontForContentSizeCategory = YES; |
| _textLabel.translatesAutoresizingMaskIntoConstraints = NO; |
| [containerView addSubview:_textLabel]; |
| |
| _detailTextLabel = [[UILabel alloc] initWithFrame:CGRectZero]; |
| _detailTextLabel.font = |
| [UIFont preferredFontForTextStyle:UIFontTextStyleFootnote]; |
| _detailTextLabel.adjustsFontForContentSizeCategory = YES; |
| _detailTextLabel.translatesAutoresizingMaskIntoConstraints = NO; |
| [containerView addSubview:_detailTextLabel]; |
| |
| CGFloat margin = kTableViewHorizontalSpacing; |
| |
| [NSLayoutConstraint activateConstraints:@[ |
| // Minimal height. |
| [self.contentView.heightAnchor |
| constraintGreaterThanOrEqualToConstant:kMinimalHeight], |
| |
| // Container. |
| [containerView.leadingAnchor |
| constraintEqualToAnchor:self.contentView.leadingAnchor |
| constant:margin], |
| [containerView.trailingAnchor |
| constraintEqualToAnchor:self.contentView.trailingAnchor |
| constant:-margin], |
| [containerView.centerYAnchor |
| constraintEqualToAnchor:self.contentView.centerYAnchor], |
| |
| // Labels. |
| [_textLabel.leadingAnchor |
| constraintEqualToAnchor:containerView.leadingAnchor], |
| [_textLabel.trailingAnchor |
| constraintLessThanOrEqualToAnchor:containerView.trailingAnchor], |
| [_textLabel.topAnchor constraintEqualToAnchor:containerView.topAnchor], |
| [_textLabel.bottomAnchor |
| constraintEqualToAnchor:_detailTextLabel.topAnchor], |
| [_detailTextLabel.leadingAnchor |
| constraintEqualToAnchor:_textLabel.leadingAnchor], |
| [_detailTextLabel.trailingAnchor |
| constraintLessThanOrEqualToAnchor:containerView.trailingAnchor], |
| [_detailTextLabel.bottomAnchor |
| constraintLessThanOrEqualToAnchor:containerView.bottomAnchor], |
| ]]; |
| |
| // Make sure there are top and bottom margins of at least |margin|. |
| AddOptionalVerticalPadding(self.contentView, containerView, margin); |
| } |
| return self; |
| } |
| |
| #pragma mark - UIReusableView |
| |
| - (void)prepareForReuse { |
| [super prepareForReuse]; |
| self.textLabel.text = nil; |
| self.detailTextLabel.text = nil; |
| } |
| |
| #pragma mark - UIView |
| |
| - (void)traitCollectionDidChange:(UITraitCollection*)previousTraitCollection { |
| [super traitCollectionDidChange:previousTraitCollection]; |
| BOOL isCurrentCategoryAccessibility = |
| ContentSizeCategoryIsAccessibilityCategory( |
| self.traitCollection.preferredContentSizeCategory); |
| if (isCurrentCategoryAccessibility != |
| ContentSizeCategoryIsAccessibilityCategory( |
| previousTraitCollection.preferredContentSizeCategory)) { |
| if (isCurrentCategoryAccessibility) { |
| self.textLabel.numberOfLines = 0; |
| self.detailTextLabel.numberOfLines = 0; |
| } else { |
| self.textLabel.numberOfLines = 1; |
| self.detailTextLabel.numberOfLines = 1; |
| } |
| } |
| } |
| |
| @end |