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ProjectTagsView.m
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236 lines (209 loc) · 9.46 KB
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//
// 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