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2018-07-11 7b02207537d35bfa1714bf8beafc921f717d100a

 screendisplay/Pods/EaseUI/EaseUI/EMUIKit/Views/conversationList/EaseConversationCell.m

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/************************************************************
 *  * Hyphenate CONFIDENTIAL
 * __________________
 * Copyright (C) 2016 Hyphenate Inc. All rights reserved.
 *
 * NOTICE: All information contained herein is, and remains
 * the property of Hyphenate Inc.
 * Dissemination of this information or reproduction of this material
 * is strictly forbidden unless prior written permission is obtained
 * from Hyphenate Inc.
 */

#import "EaseConversationCell.h"

#if ENABLE_LITE == 1
#import <HyphenateLite/EMConversation.h>
#else
#import <Hyphenate/EMConversation.h>
#endif
#import "UIImageView+WebCache.h"

CGFloat const EaseConversationCellPadding = 10;

@interface EaseConversationCell()

@property (nonatomic) NSLayoutConstraint *titleWithAvatarLeftConstraint;

@property (nonatomic) NSLayoutConstraint *titleWithoutAvatarLeftConstraint;

@property (nonatomic) NSLayoutConstraint *detailWithAvatarLeftConstraint;

@property (nonatomic) NSLayoutConstraint *detailWithoutAvatarLeftConstraint;

@end

@implementation EaseConversationCell

+ (void)initialize
{
    // UIAppearance Proxy Defaults
    /** @brief 默认配置 */
    EaseConversationCell *cell = [self appearance];
    cell.titleLabelColor = [UIColor blackColor];
    cell.titleLabelFont = [UIFont systemFontOfSize:17];
    cell.detailLabelColor = [UIColor lightGrayColor];
    cell.detailLabelFont = [UIFont systemFontOfSize:15];
    cell.timeLabelColor = [UIColor blackColor];
    cell.timeLabelFont = [UIFont systemFontOfSize:13];
}

- (instancetype)initWithStyle:(UITableViewCellStyle)style
              reuseIdentifier:(NSString *)reuseIdentifier
{
    self = [super initWithStyle:style reuseIdentifier:reuseIdentifier];
    if (self) {
        _showAvatar = YES;
        [self _setupSubview];
    }
    
    return self;
}

#pragma mark - private layout subviews

/*!
 @method
 @brief 加载视图
 @discussion
 @return
 */
- (void)_setupSubview
{
    self.accessibilityIdentifier = @"table_cell";

    _avatarView = [[EaseImageView alloc] init];
    _avatarView.translatesAutoresizingMaskIntoConstraints = NO;
    [self.contentView addSubview:_avatarView];
    
    _timeLabel = [[UILabel alloc] init];
    _timeLabel.translatesAutoresizingMaskIntoConstraints = NO;
    _timeLabel.font = _timeLabelFont;
    _timeLabel.textColor = _timeLabelColor;
    _timeLabel.textAlignment = NSTextAlignmentRight;
    _timeLabel.backgroundColor = [UIColor clearColor];
    [self.contentView addSubview:_timeLabel];
    
    _titleLabel = [[UILabel alloc] init];
    _titleLabel.accessibilityIdentifier = @"title";
    _titleLabel.translatesAutoresizingMaskIntoConstraints = NO;
    _titleLabel.numberOfLines = 1;
    _titleLabel.backgroundColor = [UIColor clearColor];
    _titleLabel.font = _titleLabelFont;
    _titleLabel.textColor = _titleLabelColor;
    [self.contentView addSubview:_titleLabel];
    
    _detailLabel = [[UILabel alloc] init];
    _detailLabel.translatesAutoresizingMaskIntoConstraints = NO;
    _detailLabel.backgroundColor = [UIColor clearColor];
    _detailLabel.font = _detailLabelFont;
    _detailLabel.textColor = _detailLabelColor;
    [self.contentView addSubview:_detailLabel];
    
    [self _setupAvatarViewConstraints];
    [self _setupTimeLabelConstraints];
    [self _setupTitleLabelConstraints];
    [self _setupDetailLabelConstraints];
}

#pragma mark - Setup Constraints

/*!
 @method
 @brief 设置avatarView的约束
 @discussion
 @return
 */
- (void)_setupAvatarViewConstraints
{
    [self addConstraint:[NSLayoutConstraint constraintWithItem:self.avatarView attribute:NSLayoutAttributeTop relatedBy:NSLayoutRelationEqual toItem:self.contentView attribute:NSLayoutAttributeTop multiplier:1.0 constant:EaseConversationCellPadding]];
    [self addConstraint:[NSLayoutConstraint constraintWithItem:self.avatarView attribute:NSLayoutAttributeBottom relatedBy:NSLayoutRelationEqual toItem:self.contentView attribute:NSLayoutAttributeBottom multiplier:1.0 constant:-EaseConversationCellPadding]];
    [self addConstraint:[NSLayoutConstraint constraintWithItem:self.avatarView attribute:NSLayoutAttributeLeft relatedBy:NSLayoutRelationEqual toItem:self.contentView attribute:NSLayoutAttributeLeft multiplier:1.0 constant:EaseConversationCellPadding]];
    [self addConstraint:[NSLayoutConstraint constraintWithItem:self.avatarView attribute:NSLayoutAttributeCenterY relatedBy:NSLayoutRelationEqual toItem:self.contentView attribute:NSLayoutAttributeCenterY multiplier:1.0 constant:0]];
    [self addConstraint:[NSLayoutConstraint constraintWithItem:self.avatarView attribute:NSLayoutAttributeWidth relatedBy:NSLayoutRelationEqual toItem:self.avatarView attribute:NSLayoutAttributeHeight multiplier:1.0 constant:0]];
}

/*!
 @method
 @brief 设置timeLabel的约束
 @discussion
 @return
 */
- (void)_setupTimeLabelConstraints
{
    [self addConstraint:[NSLayoutConstraint constraintWithItem:self.timeLabel attribute:NSLayoutAttributeTop relatedBy:NSLayoutRelationEqual toItem:self.contentView attribute:NSLayoutAttributeTop multiplier:1.0 constant:EaseConversationCellPadding]];
    [self addConstraint:[NSLayoutConstraint constraintWithItem:self.timeLabel attribute:NSLayoutAttributeRight relatedBy:NSLayoutRelationEqual toItem:self.contentView attribute:NSLayoutAttributeRight multiplier:1.0 constant:-EaseConversationCellPadding]];
    
    [self addConstraint:[NSLayoutConstraint constraintWithItem:self.timeLabel attribute:NSLayoutAttributeHeight relatedBy:NSLayoutRelationEqual toItem:self.contentView attribute:NSLayoutAttributeHeight multiplier:0.5 constant:0]];
}

/*!
 @method
 @brief 设置titleLabel的约束
 @discussion
 @return
 */
- (void)_setupTitleLabelConstraints
{
    [self addConstraint:[NSLayoutConstraint constraintWithItem:self.titleLabel attribute:NSLayoutAttributeTop relatedBy:NSLayoutRelationEqual toItem:self.contentView attribute:NSLayoutAttributeTop multiplier:1.0 constant:EaseConversationCellPadding]];
    [self addConstraint:[NSLayoutConstraint constraintWithItem:self.titleLabel attribute:NSLayoutAttributeHeight relatedBy:NSLayoutRelationEqual toItem:self.contentView attribute:NSLayoutAttributeHeight multiplier:0.5 constant:-EaseConversationCellPadding]];
    [self addConstraint:[NSLayoutConstraint constraintWithItem:self.titleLabel attribute:NSLayoutAttributeRight relatedBy:NSLayoutRelationEqual toItem:self.timeLabel attribute:NSLayoutAttributeLeft multiplier:1.0 constant:-EaseConversationCellPadding]];
    
    self.titleWithAvatarLeftConstraint = [NSLayoutConstraint constraintWithItem:self.titleLabel attribute:NSLayoutAttributeLeft relatedBy:NSLayoutRelationEqual toItem:self.avatarView attribute:NSLayoutAttributeRight multiplier:1.0 constant:EaseConversationCellPadding];
    self.titleWithoutAvatarLeftConstraint = [NSLayoutConstraint constraintWithItem:self.titleLabel attribute:NSLayoutAttributeLeft relatedBy:NSLayoutRelationEqual toItem:self.contentView attribute:NSLayoutAttributeLeft multiplier:1.0 constant:EaseConversationCellPadding];
    [self addConstraint:self.titleWithAvatarLeftConstraint];
}

/*!
 @method
 @brief 设置detailLabel的约束
 @discussion
 @return
 */
- (void)_setupDetailLabelConstraints
{
    [self addConstraint:[NSLayoutConstraint constraintWithItem:self.detailLabel attribute:NSLayoutAttributeTop relatedBy:NSLayoutRelationEqual toItem:self.titleLabel attribute:NSLayoutAttributeBottom multiplier:1.0 constant:0]];
    [self addConstraint:[NSLayoutConstraint constraintWithItem:self.detailLabel attribute:NSLayoutAttributeBottom relatedBy:NSLayoutRelationEqual toItem:self.contentView attribute:NSLayoutAttributeBottom multiplier:1.0 constant:-EaseConversationCellPadding]];
    [self addConstraint:[NSLayoutConstraint constraintWithItem:self.detailLabel attribute:NSLayoutAttributeRight relatedBy:NSLayoutRelationEqual toItem:self.contentView attribute:NSLayoutAttributeRight multiplier:1.0 constant:-EaseConversationCellPadding]];
    
    self.detailWithAvatarLeftConstraint = [NSLayoutConstraint constraintWithItem:self.detailLabel attribute:NSLayoutAttributeLeft relatedBy:NSLayoutRelationEqual toItem:self.avatarView attribute:NSLayoutAttributeRight multiplier:1.0 constant:EaseConversationCellPadding];
    self.detailWithoutAvatarLeftConstraint = [NSLayoutConstraint constraintWithItem:self.detailLabel attribute:NSLayoutAttributeLeft relatedBy:NSLayoutRelationEqual toItem:self.contentView attribute:NSLayoutAttributeLeft multiplier:1.0 constant:EaseConversationCellPadding];
    [self addConstraint:self.detailWithAvatarLeftConstraint];
}

#pragma mark - setter

- (void)setShowAvatar:(BOOL)showAvatar
{
    if (_showAvatar != showAvatar) {
        _showAvatar = showAvatar;
        self.avatarView.hidden = !showAvatar;
        if (_showAvatar) {
            [self removeConstraint:self.titleWithoutAvatarLeftConstraint];
            [self removeConstraint:self.detailWithoutAvatarLeftConstraint];
            [self addConstraint:self.titleWithAvatarLeftConstraint];
            [self addConstraint:self.detailWithAvatarLeftConstraint];
        }
        else{
            [self removeConstraint:self.titleWithAvatarLeftConstraint];
            [self removeConstraint:self.detailWithAvatarLeftConstraint];
            [self addConstraint:self.titleWithoutAvatarLeftConstraint];
            [self addConstraint:self.detailWithoutAvatarLeftConstraint];
        }
    }
}

- (void)setModel:(id<IConversationModel>)model
{
    _model = model;
    
    if ([_model.title length] > 0) {
        self.titleLabel.text = _model.title;
    }
    else{
        self.titleLabel.text = _model.conversation.conversationId;
    }
    
    if (self.showAvatar) {
        if ([_model.avatarURLPath length] > 0){
            [self.avatarView.imageView sd_setImageWithURL:[NSURL URLWithString:_model.avatarURLPath] placeholderImage:_model.avatarImage];
        } else {
            if (_model.avatarImage) {
                self.avatarView.image = _model.avatarImage;
            }
        }
    }
    
    if (_model.conversation.unreadMessagesCount == 0) {
        _avatarView.showBadge = NO;
    }
    else{
        _avatarView.showBadge = YES;
        _avatarView.badge = _model.conversation.unreadMessagesCount;
    }
}

- (void)setTitleLabelFont:(UIFont *)titleLabelFont
{
    _titleLabelFont = titleLabelFont;
    _titleLabel.font = _titleLabelFont;
}

- (void)setTitleLabelColor:(UIColor *)titleLabelColor
{
    _titleLabelColor = titleLabelColor;
    _titleLabel.textColor = _titleLabelColor;
}

- (void)setDetailLabelFont:(UIFont *)detailLabelFont
{
    _detailLabelFont = detailLabelFont;
    _detailLabel.font = _detailLabelFont;
}

- (void)setDetailLabelColor:(UIColor *)detailLabelColor
{
    _detailLabelColor = detailLabelColor;
    _detailLabel.textColor = _detailLabelColor;
}

- (void)setTimeLabelFont:(UIFont *)timeLabelFont
{
    _timeLabelFont = timeLabelFont;
    _timeLabel.font = _timeLabelFont;
}

- (void)setTimeLabelColor:(UIColor *)timeLabelColor
{
    _timeLabelColor = timeLabelColor;
    _timeLabel.textColor = _timeLabelColor;
}

#pragma mark - class method

/*!
 @method
 @brief 获取cell的重用标识
 @discussion
 @param model   消息model
 @return 返回cell的重用标识
 */
+ (NSString *)cellIdentifierWithModel:(id)model
{
    return @"EaseConversationCell";
}

/*!
 @method
 @brief 获取cell的高度
 @discussion
 @param model   消息model
 @return  返回cell的高度
 */
+ (CGFloat)cellHeightWithModel:(id)model
{
    return EaseConversationCellMinHeight;
}

- (void)setSelected:(BOOL)selected animated:(BOOL)animated
{
    [super setSelected:selected animated:animated];
    if (_avatarView.badge) {
        _avatarView.badgeBackgroudColor = [UIColor redColor];
    }
}

-(void)setHighlighted:(BOOL)highlighted animated:(BOOL)animated{
    [super setHighlighted:highlighted animated:animated];
    if (_avatarView.badge) {
        _avatarView.badgeBackgroudColor = [UIColor redColor];
    }
}

@end