iOS 自定义view 是上面文字某区域有点击事件和点击背景效果

最新推荐文章于 2021-10-20 21:23:02 发布

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最新推荐文章于 2021-10-20 21:23:02 发布

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分类专栏： iOS 文章标签： ios

本文链接：https://blog.youkuaiyun.com/qq_27247497/article/details/52128471

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@interface HTXDyDetailCommentCell : UITableViewCell

@property (nonatomic,strong) HJContentTextView * speciaView;

if (model.toMemberNick.length) {

//回复评论人的时候

NSString * string = [NSString stringWithFormat:@"回复%@：%@",model.toMemberNick,strA];

CGSize size = [string sizeWithFont:[UIFont systemFontOfSize:15] constrainedToSize:CGSizeMake(IPHONE_WIDTH - _iconImgView.frame.origin.x - DY_IMG_WH - 6 - 50 * KSCALE_X, 100) lineBreakMode:NSLineBreakByWordWrapping];

NSMutableString *text = [[NSMutableString alloc] initWithString:[NSString stringWithFormat:@"%@",string]];

//赋值，这一步不可以少，specialSegments保存了查询到的结果

_speciaView.specialSegments = _attributeTextmodel.specialSegments;

//设置查询文本和查询的关键字

_speciaView.tv.attributedText = [_attributeTextmodel hilightClickedText:text HightText:[NSString stringWithFormat:@"%@",model.toMemberNick] isComment:YES];

_speciaView.frame = CGRectMake(_iconImgView.frame.origin.x + DY_IMG_WH + 6, 25, IPHONE_WIDTH - _iconImgView.frame.origin.x - DY_IMG_WH - 6 - 50 * KSCALE_X, size.height);

}else{

//别人评论我的时候

CGSize size = [strA sizeWithFont:[UIFont systemFontOfSize:15] constrainedToSize:CGSizeMake(IPHONE_WIDTH - _iconImgView.frame.origin.x - DY_IMG_WH - 6 - 50 * KSCALE_X, 100) lineBreakMode:NSLineBreakByWordWrapping];

NSMutableString *text = [[NSMutableString alloc] initWithString:[NSString stringWithFormat:@"%@",strA]];

//赋值，这一步不可以少，specialSegments保存了查询到的结果

_speciaView.specialSegments = _attributeTextmodel.specialSegments;

//设置查询文本和查询的关键字

_speciaView.tv.attributedText = [_attributeTextmodel hilightClickedText:text HightText:[NSString stringWithFormat:@"%@",model.toMemberNick]isComment:YES];

_speciaView.frame = CGRectMake(_iconImgView.frame.origin.x + DY_IMG_WH + 6, 25, IPHONE_WIDTH - _iconImgView.frame.origin.x - DY_IMG_WH - 6 - 50 * KSCALE_X, size.height);

}

// HJAttributeTextModel.h

// HJLinkClickedLabel

// Created by ZhaoHanjun on 16/1/27.

#import <Foundation/Foundation.h>

#import <UIKit/UIKit.h>

@interface HJAttributeTextModel : NSObject

@property (nonatomic, copy) NSString *text;

@property (nonatomic, assign) NSRange range;

@property (nonatomic, strong) NSMutableArray *specialSegments;

@property (nonatomic, strong) NSString *linkUrl;

@property (nonatomic, assign, getter=isSpecial) BOOL special;

@property (nonatomic, assign, getter=isEmotion) BOOL emotion;

- (NSMutableAttributedString *)hilightClickedText:(NSMutableString *)text HightText:(NSString *)hightText isComment:(BOOL)isCom;

@end

// HJAttributeTextModel.m

// HJLinkClickedLabel

// Created by ZhaoHanjun on 16/1/27.

#import "HJAttributeTextModel.h"

// 获取16进制格式

#define kColorWithValue(value) \

[UIColor colorWithRed:((float)((value & 0xFF0000) >> 16)) / 255.0 \

green:((float)((value & 0xFF00) >> 8)) / 255.0 \

blue:((float)(value & 0xFF)) / 255.0 alpha:1.0]

@implementation HJAttributeTextModel

- (NSMutableArray *)specialSegments

{

if (!_specialSegments) {

_specialSegments = [[NSMutableArray alloc] init];

}

return _specialSegments;

}

- (NSMutableAttributedString *)hilightClickedText:(NSMutableString *)text HightText:(NSString *)hightText isComment:(BOOL)isCom;

{

[self.specialSegments removeAllObjects];

NSMutableArray *parts = [NSMutableArray array];

NSError *error = NULL;

// NSRegularExpression *regex = [NSRegularExpression regularExpressionWithPattern:@"((http[s]{0,1}|ftp)://[a-zA-Z0-9\\.\\-]+\\.([a-zA-Z]{2,4})(:\\d+)?(/[a-zA-Z0-9\\.\\-~!@#$%^&*+?:_/=<>]*)?)|(www.[a-zA-Z0-9\\.\\-]+\\.([a-zA-Z]{2,4})(:\\d+)?(/[a-zA-Z0-9\\.\\-~!@#$%^&*+?:_/=<>]*)?)" options:NSRegularExpressionCaseInsensitive error:&error];

NSRegularExpression *regex = [NSRegularExpression regularExpressionWithPattern:[NSString stringWithFormat:@"%@",hightText] options:NSRegularExpressionCaseInsensitive error:&error];

NSTextCheckingResult *urlResult = [regex firstMatchInString:text options:0 range:NSMakeRange(0, [text length])];

if (urlResult) {

self.linkUrl = [text substringWithRange:urlResult.range];

[text replaceCharactersInRange:urlResult.range withString:hightText];

}

if ([text rangeOfString:hightText].location != NSNotFound) {

HJAttributeTextModel *seg = [[HJAttributeTextModel alloc] init];

seg.text = hightText;

seg.range = [text rangeOfString:hightText];

seg.special = YES;

[parts addObject:seg];

}

NSMutableAttributedString *attributeText = [[NSMutableAttributedString alloc] initWithString:text];

if (isCom) {

[attributeText addAttribute:NSFontAttributeName value:[UIFont systemFontOfSize:15] range:NSMakeRange(0, text.length)];

}else{

[attributeText addAttribute:NSFontAttributeName value:[UIFont systemFontOfSize:28 * KSCALE_X] range:NSMakeRange(0, text.length)];

}

if ([text isEqualToString:@"这条评论已删除"]) {

[attributeText addAttribute:NSForegroundColorAttributeName value:kColor(113, 113, 113) range:NSMakeRange(0, text.length)];

}else{

[attributeText addAttribute:NSForegroundColorAttributeName value:[UIColor blackColor] range:NSMakeRange(0, text.length)];

}

NSInteger cnt = parts.count;

for (NSInteger i=0; i<cnt; i++) {

HJAttributeTextModel *ts = parts[i];

if (ts.special) {

[attributeText addAttribute:NSForegroundColorAttributeName value:kColor(103, 119, 156) range:ts.range];

// _memberNickLab.font = [UIFont fontWithName:@"Helvetica-Bold" size:28 * KSCALE_X];

if (isCom) {

[attributeText addAttribute:NSFontAttributeName value:[UIFont fontWithName:@"Helvetica-Bold" size:15] range:ts.range];

}else{

[attributeText addAttribute:NSFontAttributeName value:[UIFont fontWithName:@"Helvetica-Bold" size:28 * KSCALE_X] range:ts.range];

}

// //生成富文本中的图片

// NSTextAttachment *attch = [[NSTextAttachment alloc] init];

// attch.image = [UIImage imageNamed:@"share"];

// attch.bounds = CGRectMake(0, 0, 20, 20);

// NSAttributedString *emotionStr = [NSAttributedString attributedStringWithAttachment:attch];

// //插入图片

// [attributeText insertAttributedString:emotionStr atIndex:ts.range.location];

HJAttributeTextModel *spec = [[HJAttributeTextModel alloc] init];

spec.text = ts.text;

NSInteger loc = ts.range.location;

// NSInteger len = ts.text.length + 1;

NSInteger len = ts.text.length;

spec.range = NSMakeRange(loc, len);

[self.specialSegments addObject:spec];

}

return attributeText;

}

@end

// HJContentTextView.h

// HJLinkClickedLabel

// Created by ZhaoHanjun on 16/1/27.

#import <UIKit/UIKit.h>

#import "HJAttributeTextModel.h"

typedef void(^ClickedBlock)(NSInteger);

@interface HJContentTextView : UIView

@property (nonatomic, strong) NSArray *specialSegments;

@property (nonatomic, weak) UITextView *tv;

@property (nonatomic, copy) ClickedBlock clickedBlock;

@end

// HJContentTextView.m

// HJLinkClickedLabel

// Created by ZhaoHanjun on 16/1/27.

#import "HJContentTextView.h"

#define kSelf_SelectedColor [UIColor colorWithWhite:0 alpha:0.4] //点击背景颜色

static const NSInteger coverTag = 11;

@implementation HJContentTextView

- (instancetype) initWithFrame:(CGRect)frame

{

if ([super initWithFrame:frame]) {

UITextView *tv = [[UITextView alloc] init];

tv.textContainerInset = UIEdgeInsetsZero;

tv.textContainer.lineFragmentPadding = 0;

tv.editable = NO;

tv.scrollEnabled = NO;

tv.userInteractionEnabled = NO;

tv.backgroundColor = [UIColor clearColor];

// tv.font = [UIFont systemFontOfSize:14 * KSCALE_X];

[self addSubview:tv];

_tv = tv;

}

return self;

}

- (void)layoutSubviews

{

[super layoutSubviews];

_tv.frame = self.bounds;

}

- (void)touchesBegan:(NSSet<UITouch *> *)touches withEvent:(UIEvent *)event

{

CGPoint pt = [[touches anyObject] locationInView:self];

BOOL selected = NO;

for (HJAttributeTextModel *spec in self.specialSegments) {

self.tv.selectedRange = spec.range;

NSArray *rects = [self.tv selectionRectsForRange:self.tv.selectedTextRange];

self.tv.selectedRange = NSMakeRange(0, 0);

for (UITextSelectionRect *selectionRect in rects) {

CGRect rect = selectionRect.rect;

if (rect.size.width == 0 || rect.size.height == 0) continue;

if (CGRectContainsPoint(rect, pt)) {

selected = YES;

break;

}

if (selected) {

//点击事件处理

self.clickedBlock(self.tag);

for (UITextSelectionRect *selectionRect in rects) {

// self.clickedBlock();

CGRect rect = selectionRect.rect;

if(rect.size.width == 0 || rect.size.height == 0) continue;

UIView *cover = [[UIView alloc] initWithFrame:rect];

cover.layer.cornerRadius = 5;

cover.layer.shouldRasterize = YES;

cover.backgroundColor = kSelf_SelectedColor;

cover.alpha = 0.3;

cover.tag = coverTag;

[self.tv insertSubview:cover atIndex:0];

}

break;

}

- (void)touchesEnded:(NSSet<UITouch *> *)touches withEvent:(UIEvent *)event

{

dispatch_after(dispatch_time(DISPATCH_TIME_NOW, (int64_t)(0.1 * NSEC_PER_SEC)), dispatch_get_main_queue(), ^{

for (UIView *view in self.tv.subviews) {

if (view.tag == coverTag) {

[view removeFromSuperview];

}

});

}

- (void)touchesCancelled:(NSSet<UITouch *> *)touches withEvent:(UIEvent *)event

{

for (UIView *view in self.tv.subviews) {

if (view.tag == 110) {

[view removeFromSuperview];

}

- (UIView *)hitTest:(CGPoint)point withEvent:(UIEvent *)event

{

if ([self clickInside:point withEvent:event]) {

return [super hitTest:point withEvent:event];

}

else

{

return nil;

}

- (BOOL)pointInside:(CGPoint)point withEvent:(UIEvent *)event

{

return [self clickInside:point withEvent:event];

}

- (BOOL)clickInside:(CGPoint)point withEvent:(UIEvent *)event

{

for (HJAttributeTextModel *spec in self.specialSegments) {

self.tv.selectedRange = spec.range;

NSArray *rects = [self.tv selectionRectsForRange:self.tv.selectedTextRange];

self.tv.selectedRange = NSMakeRange(0, 0);

for (UITextSelectionRect *selectionRect in rects) {

CGRect rect = selectionRect.rect;

if (rect.size.width == 0 || rect.size.height == 0) continue;

if (CGRectContainsPoint(rect, point)) {

return YES;

}

else

{

return NO;

}

return NO;

}

@end