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// NSObject+DynamicCell.m

// Coding_iOS

// Created by hardac on 16/3/27.

#define kTaskCommentCell_FontContent [UIFont systemFontOfSize:15]

#define kTaskCommentCell_LeftPading 30.0

#define kTaskCommentCell_LeftContentPading (kTaskCommentCell_LeftPading + 40)

#define kTaskCommentCell_ContentWidth (kScreen_Width - kTaskCommentCell_LeftContentPading - kTaskCommentCell_LeftPading)

#import "DynamicCommentCell.h"

#import "TaskCommentCell.h"

#import "UICustomCollectionView.h"

#import "TaskCommentCCell.h"

#import "MJPhotoBrowser.h"

#import "FileComment.h"

#import "HtmlMediaViewController.h"

@interface DynamicCommentCell ()<UICollectionViewDataSource, UICollectionViewDelegate, UICollectionViewDelegateFlowLayout>

@property (strong, nonatomic) UIImageView *ownerIconView, *timeLineView, *contentBGView;

@property (strong, nonatomic) UILabel *timeLabel;

@property (strong, nonatomic) UICustomCollectionView *imageCollectionView;

@property (strong, nonatomic) UIButton *detailBtn;

@end

@implementation DynamicCommentCell

- (id)initWithStyle:(UITableViewCellStyle)style reuseIdentifier:(NSString *)reuseIdentifier

{

self = [super initWithStyle:style reuseIdentifier:reuseIdentifier];

if (self) {

// Initialization code

self.selectionStyle = UITableViewCellSelectionStyleNone;

CGFloat curBottomY = 25;

if (!_contentBGView) {

_contentBGView = [UIImageView new];

_contentBGView.image = [[UIImage imageNamed:@"comment_bg"] resizableImageWithCapInsets:UIEdgeInsetsMake(35, 15, 5, 5)];

;

[self.contentView addSubview:_contentBGView];

}

if (!_timeLineView) {

_timeLineView = [[UIImageView alloc] initWithFrame:CGRectMake(0, 0, 2, 1)];

[_timeLineView setImage:[UIImage imageNamed:@"timeline_line_read"]];

[self.contentView addSubview:_timeLineView];

}

if (!_ownerIconView) {

CGFloat borderWidth = 2;

UIView *bgView = [[UIView alloc] initWithFrame:CGRectMake(kPaddingLeftWidth - borderWidth, curBottomY, 28+ 2*borderWidth, 28 + 2*borderWidth)];

bgView.backgroundColor = kColorTableBG;

_ownerIconView = [[YLImageView alloc] initWithFrame:CGRectMake(0, 0, 28, 28)];

_ownerIconView.layer.masksToBounds = YES;

_ownerIconView.layer.cornerRadius = _ownerIconView.frame.size.width/2;

[bgView addSubview:_ownerIconView];

[_ownerIconView mas_makeConstraints:^(MASConstraintMaker *make) {

make.width.height.mas_equalTo(28.0);

make.center.equalTo(bgView);

}];

[self.contentView addSubview:bgView];

}

if (!_contentLabel) {

_contentLabel = [[UITTTAttributedLabel alloc] initWithFrame:CGRectMake(kTaskCommentCell_LeftContentPading, curBottomY, kTaskCommentCell_ContentWidth, 30)];

_contentLabel.textColor = kColorDark3;

_contentLabel.font = kTaskCommentCell_FontContent;

_contentLabel.linkAttributes = kLinkAttributes;

_contentLabel.activeLinkAttributes = kLinkAttributesActive;

[_contentLabel addLongPressForCopy];

[self.contentView addSubview:_contentLabel];

}

if (!_timeLabel) {

_timeLabel = [[UILabel alloc] initWithFrame:CGRectMake(kTaskCommentCell_LeftContentPading, 0, kTaskCommentCell_ContentWidth, 20)];

_timeLabel.textColor = kColorDark7;

_timeLabel.font = [UIFont systemFontOfSize:12];

[self.contentView addSubview:_timeLabel];

}

if ([reuseIdentifier rangeOfString:@"_Media"].location != NSNotFound) {

if (!self.imageCollectionView) {

UICollectionViewFlowLayout *layout = [[UICollectionViewFlowLayout alloc] init];

self.imageCollectionView = [[UICustomCollectionView alloc] initWithFrame:CGRectMake(kTaskCommentCell_LeftContentPading, 0, kTaskCommentCell_ContentWidth, 43) collectionViewLayout:layout];

self.imageCollectionView.scrollEnabled = NO;

[self.imageCollectionView setBackgroundView:nil];

[self.imageCollectionView setBackgroundColor:[UIColor clearColor]];

[self.imageCollectionView registerClass:[TaskCommentCCell class] forCellWithReuseIdentifier:kCCellIdentifier_TaskCommentCCell];

self.imageCollectionView.dataSource = self;

self.imageCollectionView.delegate = self;

[self.contentView addSubview:self.imageCollectionView];

}

[_contentBGView mas_makeConstraints:^(MASConstraintMaker *make) {

make.edges.equalTo(self.contentView).insets(UIEdgeInsetsMake(10, 60- 7, 10, 20));

}];

if (!_detailBtn) {

_detailBtn = [UIButton buttonWithTitle:@"查看详情" titleColor:kColorBrandBlue];

_detailBtn.titleLabel.font = [UIFont systemFontOfSize:12];

[_detailBtn addTarget:self action:@selector(goToDetail) forControlEvents:UIControlEventTouchUpInside];

[self.contentView addSubview:_detailBtn];

[_detailBtn mas_makeConstraints:^(MASConstraintMaker *make) {

make.size.mas_equalTo(CGSizeMake(60, 30));

make.right.equalTo(_contentBGView).offset(-10);

make.centerY.equalTo(_timeLabel);

}];

}

_timeLabel.lineBreakMode = NSLineBreakByTruncatingMiddle;

}

return self;

}

- (void)goToDetail{

HtmlMediaViewController *vc = [HtmlMediaViewController instanceWithHtmlMedia:self.curComment.htmlMedia title:[NSString stringWithFormat:@"%@ 的评论", self.curComment.author.name]];

[BaseViewController goToVC:vc];

}

- (void)setCurComment:(ProjectLineNote *)curComment{

_curComment = curComment;

if (!_curComment) {

return;

}

_detailBtn.hidden = ![self.curComment.htmlMedia needToShowDetail];

CGFloat curBottomY = 25;

[_ownerIconView sd_setImageWithURL:[_curComment.author.avatar urlImageWithCodePathResizeToView:_ownerIconView] placeholderImage:kPlaceholderMonkeyRoundWidth(33.0)];

NSString *contentStr = _curComment.content;

[_contentLabel setLongString:contentStr withFitWidth:kTaskCommentCell_ContentWidth];

for (HtmlMediaItem *item in _curComment.htmlMedia.mediaItems) {

if (item.displayStr.length > 0 && item.href.length > 0) {

[_contentLabel addLinkToTransitInformation:[NSDictionary dictionaryWithObject:item forKey:@"value"] withRange:item.range];

}

curBottomY += [contentStr getHeightWithFont:kTaskCommentCell_FontContent constrainedToSize:CGSizeMake(kTaskCommentCell_ContentWidth, CGFLOAT_MAX)] + 5;

NSInteger imagesCount = _curComment.htmlMedia.imageItems.count;

if (imagesCount > 0) {

self.imageCollectionView.hidden = NO;

[self.imageCollectionView setFrame:CGRectMake(kTaskCommentCell_LeftContentPading, curBottomY, kTaskCommentCell_ContentWidth, [DynamicCommentCell imageCollectionViewHeightWithCount:imagesCount])];

[self.imageCollectionView reloadData];

} else {

self.imageCollectionView.hidden = YES;

}

curBottomY += [DynamicCommentCell imageCollectionViewHeightWithCount:imagesCount];

[_timeLabel setY:curBottomY];

_timeLabel.width = _detailBtn.hidden? kTaskCommentCell_ContentWidth: kTaskCommentCell_ContentWidth - 60;

_timeLabel.text = [NSString stringWithFormat:@"%@ 发布于 %@", _curComment.author.name,[_curComment.created_at stringDisplay_HHmm]];

}

- (void)configTop:(BOOL)isTop andBottom:(BOOL)isBottom {

if (isTop && isBottom) {

_timeLineView.hidden = YES;

} else {

_timeLineView.hidden = NO;

[_timeLineView mas_remakeConstraints:^(MASConstraintMaker *make) {

make.width.mas_equalTo(2.0);

make.centerX.equalTo(_ownerIconView);

make.top.equalTo(isTop? _ownerIconView.mas_centerY: self.contentView);

make.bottom.equalTo(isBottom? _ownerIconView.mas_centerY: self.contentView);

}];

}

+ (CGFloat)cellHeightWithObj:(id)obj {

CGFloat cellHeight = 0;

if ([obj isKindOfClass:[ProjectLineNote class]]) {

ProjectLineNote *curComment = (ProjectLineNote *)obj;

NSString *contentStr = curComment.content;

cellHeight += 20 +[contentStr getHeightWithFont:kTaskCommentCell_FontContent constrainedToSize:CGSizeMake(kTaskCommentCell_ContentWidth, CGFLOAT_MAX)] + 5 +20 +10;

cellHeight += [self imageCollectionViewHeightWithCount:curComment.htmlMedia.imageItems.count];

cellHeight += 20;

}

return cellHeight;

}

+ (CGFloat)imageCollectionViewHeightWithCount:(NSInteger)countNum {

if (countNum <= 0) {

return 0;

}

NSInteger numInOneLine = floorf((kTaskCommentCell_ContentWidth +5)/(33 + 5));

NSInteger numOfline = ceilf(countNum/(float)numInOneLine);

return (43 *numOfline);

}

#pragma mark Collection M

- (NSInteger)collectionView:(UICollectionView *)collectionView numberOfItemsInSection:(NSInteger)section{

return _curComment.htmlMedia.imageItems.count;

}

// The cell that is returned must be retrieved from a call to -dequeueReusableCellWithReuseIdentifier:forIndexPath:

- (UICollectionViewCell *)collectionView:(UICollectionView *)collectionView cellForItemAtIndexPath:(NSIndexPath *)indexPath{

TaskCommentCCell *ccell = [collectionView dequeueReusableCellWithReuseIdentifier:kCCellIdentifier_TaskCommentCCell forIndexPath:indexPath];

ccell.curMediaItem = [_curComment.htmlMedia.imageItems objectAtIndex:indexPath.row];

return ccell;

}

- (CGSize)collectionView:(UICollectionView *)collectionView layout:(UICollectionViewLayout*)collectionViewLayout sizeForItemAtIndexPath:(NSIndexPath *)indexPath{

return [TaskCommentCCell ccellSize];

}

- (UIEdgeInsets)collectionView:(UICollectionView *)collectionView layout:(UICollectionViewLayout*)collectionViewLayout insetForSectionAtIndex:(NSInteger)section{

return UIEdgeInsetsZero;

}

- (CGFloat)collectionView:(UICollectionView *)collectionView layout:(UICollectionViewLayout*)collectionViewLayout minimumLineSpacingForSectionAtIndex:(NSInteger)section{

return 10;

}

- (CGFloat)collectionView:(UICollectionView *)collectionView layout:(UICollectionViewLayout*)collectionViewLayout minimumInteritemSpacingForSectionAtIndex:(NSInteger)section{

return 5;

}

- (void)collectionView:(UICollectionView *)collectionView didSelectItemAtIndexPath:(NSIndexPath *)indexPath{

// 显示大图

int count = (int)_curComment.htmlMedia.imageItems.count;

NSMutableArray *photos = [NSMutableArray arrayWithCapacity:count];

for (int i = 0; i<count; i++) {

HtmlMediaItem *imageItem = [_curComment.htmlMedia.imageItems objectAtIndex:i];

MJPhoto *photo = [[MJPhoto alloc] init];

photo.url = [NSURL URLWithString:imageItem.src]; // 图片路径

[photos addObject:photo];

}

// 2.显示相册

MJPhotoBrowser *browser = [[MJPhotoBrowser alloc] init];

browser.currentPhotoIndex = indexPath.row; // 弹出相册时显示的第一张图片是？

browser.photos = photos; // 设置所有的图片

[browser show];

}

@end