// // ProjectTagsView.m // Coding_iOS // // Created by Ease on 15/7/17. // Copyright (c) 2015年 Coding. All rights reserved. // #define kProjectTagsView_Padding_Icon 22.0 #define kProjectTagsView_Height_PerLine 30.0 #define kProjectTagsViewLabel_Font [UIFont systemFontOfSize:12] #define kProjectTagsViewLabel_Height_Content 22.0 #define kProjectTagsViewLabel_MinWidth 44.0 #define kProjectTagsViewLabel_Padding_Content 10.0 #define kProjectTagsViewLabel_Padding_Space 5.0 #import "ProjectTagsView.h" @interface ProjectTagsView () @property (strong, nonatomic) NSMutableArray *tagLabelList; @property (strong, nonatomic) UIButton *addTagButton; @property (strong, nonatomic) UIImageView *tagIconView; @end @implementation ProjectTagsView - (instancetype)initWithTags:(NSArray *)tags{ self = [super init]; if (self) { _tagLabelList = [NSMutableArray new]; self.tags = tags; } return self; } + (instancetype)viewWithTags:(NSArray *)tags{ ProjectTagsView *tagsView = [[self alloc] initWithTags:tags]; return tagsView; } + (CGFloat)getHeightForTags:(NSArray *)tags{ CGFloat height = 0; if (tags.count > 0) { CGFloat tagsWidth = kScreen_Width - 2*kPaddingLeftWidth - kProjectTagsView_Padding_Icon; CGFloat curX = 0, curY = 0; for (ProjectTag *curTag in tags) { CGFloat curTagWidth = MAX([curTag.name getWidthWithFont:kProjectTagsViewLabel_Font constrainedToSize:CGSizeMake(CGFLOAT_MAX, kProjectTagsViewLabel_Height_Content)] + kProjectTagsViewLabel_Padding_Content, kProjectTagsViewLabel_MinWidth) ; curX += MIN(curTagWidth, tagsWidth); if (curX > tagsWidth) { curY += kProjectTagsView_Height_PerLine; curX = curTagWidth + kProjectTagsViewLabel_Padding_Space; }else{ curX += kProjectTagsViewLabel_Padding_Space; } } CGFloat buttonWidth = [@"添加标签" getWidthWithFont:kProjectTagsViewLabel_Font constrainedToSize:CGSizeMake(CGFLOAT_MAX, kProjectTagsViewLabel_Height_Content)] + kProjectTagsViewLabel_Padding_Content; if (curX + buttonWidth > tagsWidth) { curY += kProjectTagsView_Height_PerLine; } height = curY +kProjectTagsView_Height_PerLine; }else{ height = kProjectTagsView_Height_PerLine; } return height; } - (void)setTags:(NSArray *)tags{ _tags = tags; [self p_refreshAddButtonHasTags:_tags.count > 0]; CGPoint curPoint = CGPointZero; if (_tags.count > 0) { // 图标 if (!_tagIconView) { _tagIconView = [[UIImageView alloc] initWithImage:[UIImage imageNamed:@"project_tag_icon"]]; } [_tagIconView setCenter:CGPointMake(kPaddingLeftWidth + CGRectGetWidth(_tagIconView.frame)/2, kProjectTagsViewLabel_Height_Content/2)]; [self addSubview:_tagIconView]; // 标签 CGFloat leftX = kPaddingLeftWidth + kProjectTagsView_Padding_Icon; CGFloat tagsWidth = kScreen_Width - kPaddingLeftWidth - leftX; curPoint.x = leftX; int index; for (index = 0; index < _tags.count; index++) { ProjectTagsViewLabel *curLabel; if (_tagLabelList.count > index) { curLabel = _tagLabelList[index]; curLabel.curTag = _tags[index]; }else{ @weakify(self); curLabel = [ProjectTagsViewLabel labelWithTag:_tags[index] andDeleteBlock:^(ProjectTag *tag) { @strongify(self); if (self.deleteTagBlock) { self.deleteTagBlock(tag); } }]; [_tagLabelList addObject:curLabel]; } CGFloat curPointRightX = curPoint.x + MIN(CGRectGetWidth(curLabel.frame), tagsWidth); if (curPointRightX > kScreen_Width - kPaddingLeftWidth) { curPoint.x = leftX; curPoint.y += kProjectTagsView_Height_PerLine; } [curLabel setOrigin:curPoint]; [self addSubview:curLabel]; //下一个点 curPoint.x += CGRectGetWidth(curLabel.frame) +kProjectTagsViewLabel_Padding_Space; } if (_tagLabelList.count > index) { [_tagLabelList enumerateObjectsWithOptions:NSEnumerationReverse usingBlock:^(UILabel *obj, NSUInteger idx, BOOL *stop) { if (idx >= index) { [obj removeFromSuperview]; }else{ *stop = YES; } }]; [_tagLabelList removeObjectsInRange:NSMakeRange(index, _tagLabelList.count -index)]; } //按钮 if (curPoint.x + CGRectGetWidth(self.addTagButton.frame) > kScreen_Width - kPaddingLeftWidth) { curPoint.x = leftX; curPoint.y += kProjectTagsView_Height_PerLine; } [self.addTagButton setOrigin:curPoint]; }else{ [self.subviews enumerateObjectsUsingBlock:^(UIView *obj, NSUInteger idx, BOOL *stop) { if (![obj isKindOfClass:[UIButton class]]) { [obj removeFromSuperview]; } }]; [_tagLabelList removeAllObjects]; curPoint.x = kPaddingLeftWidth; [self.addTagButton setOrigin:curPoint]; } [self setSize:CGSizeMake(kScreen_Width, curPoint.y + kProjectTagsView_Height_PerLine)]; } - (void)p_refreshAddButtonHasTags:(BOOL)hasTags{ if (!_addTagButton) { _addTagButton = [UIButton new]; _addTagButton.layer.cornerRadius = 2; _addTagButton.layer.borderColor = [UIColor colorWithHexString:@"0xdddddd"].CGColor; @weakify(self); [_addTagButton bk_addEventHandler:^(id sender) { @strongify(self); if (self.addTagBlock) { self.addTagBlock(); } } forControlEvents:UIControlEventTouchUpInside]; [self addSubview:_addTagButton]; } NSString *buttonTitle = @"添加标签"; if (hasTags) { _addTagButton.layer.borderWidth = 0.5f; _addTagButton.contentHorizontalAlignment = UIControlContentHorizontalAlignmentCenter; _addTagButton.titleLabel.font = kProjectTagsViewLabel_Font; [_addTagButton setTitleColor:[UIColor blackColor] forState:UIControlStateNormal]; [_addTagButton setTitleColor:[UIColor colorWithWhite:0 alpha:0.5] forState:UIControlStateHighlighted]; CGFloat textWidth = [buttonTitle getWidthWithFont:kProjectTagsViewLabel_Font constrainedToSize:CGSizeMake(CGFLOAT_MAX, kProjectTagsViewLabel_Height_Content)]; [_addTagButton setTitle:buttonTitle forState:UIControlStateNormal]; [_addTagButton setImage:nil forState:UIControlStateNormal]; [_addTagButton setTitleEdgeInsets:UIEdgeInsetsZero]; [_addTagButton setSize:CGSizeMake(textWidth + kProjectTagsViewLabel_Padding_Content, kProjectTagsViewLabel_Height_Content)]; }else{ _addTagButton.layer.borderWidth = 0.f; _addTagButton.contentHorizontalAlignment = UIControlContentHorizontalAlignmentLeft; _addTagButton.titleLabel.font = [UIFont systemFontOfSize:15]; [_addTagButton setTitleColor:[UIColor colorWithHexString:@"0x3bbd79"] forState:UIControlStateNormal]; [_addTagButton setTitleColor:[UIColor colorWithHexString:@"0x3bbd79" andAlpha:0.5] forState:UIControlStateHighlighted]; [_addTagButton setSize:CGSizeMake(kScreen_Width - 2*kPaddingLeftWidth, kProjectTagsViewLabel_Height_Content)]; [_addTagButton setTitle:buttonTitle forState:UIControlStateNormal]; [_addTagButton setImage:[UIImage imageNamed:@"project_tag_btn"] forState:UIControlStateNormal]; [_addTagButton setTitleEdgeInsets:UIEdgeInsetsMake(0, 5, 0, -5)]; } } @end @implementation ProjectTagsViewLabel - (instancetype)init { self = [super init]; if (self) { self.font = kProjectTagsViewLabel_Font; self.textAlignment = NSTextAlignmentCenter; self.baselineAdjustment = UIBaselineAdjustmentAlignCenters; self.layer.cornerRadius = 2; @weakify(self); [self addPressMenuTitles:@[@"删除"] menuClickedBlock:^(NSInteger index, NSString *title) { @strongify(self); if (self.deleteBlock) { self.deleteBlock(self.curTag); } }]; self.pressGR.minimumPressDuration = 0.2;//菜单更易弹出 } return self; } + (instancetype)labelWithTag:(ProjectTag *)tag andDeleteBlock:(void (^)(ProjectTag *tag))block{ ProjectTagsViewLabel *label = [ProjectTagsViewLabel new]; label.curTag = tag; label.deleteBlock = block; return label; } - (void)setCurTag:(ProjectTag *)curTag{ _curTag = curTag; [self setup]; } - (void)setup{ if (!self.curTag || self.curTag.name.length <= 0) { [self setSize:CGSizeZero]; return; } UIColor *tagColor = self.curTag.color.length > 1? [UIColor colorWithHexString:[self.curTag.color stringByReplacingOccurrencesOfString:@"#" withString:@"0x"]]: [UIColor colorWithHexString:@"0x3bbd79"]; self.layer.backgroundColor = tagColor.CGColor; self.textColor = [tagColor isDark]? [UIColor whiteColor]: [UIColor blackColor]; CGFloat selfWidth = MAX([self.curTag.name getWidthWithFont:kProjectTagsViewLabel_Font constrainedToSize:CGSizeMake(CGFLOAT_MAX, kProjectTagsViewLabel_Height_Content)] + kProjectTagsViewLabel_Padding_Content, kProjectTagsViewLabel_MinWidth); [self setSize:CGSizeMake(selfWidth, kProjectTagsViewLabel_Height_Content)]; self.text = self.curTag.name; } @end