1.背景
看到QQ的左右滑动Tableviewcell时可以出现多个菜单，觉得很高大上，因为没这种需求，
也只是需要一个删除按钮，这个系统已经帮我们实现了，只需要实现几个代理就可以，做出左划
出现删除按钮，这个我就不再这里说了，Google上你应该很容易实现，这里要讲的是如何实现
多个按钮的左右滑动的实现。可以获取点击的是哪个按钮。
2.效果图
左右侧可以分开设置，即可以同时为图片，也可以一边图片一边文字。
3.实现原理
在cell里面按钮和手势，根据手势来控制视图的移动和显示。
4.自定义cell的核心代码
.h文件
#import <UIKit/UIKit.h>
#import "menuview.h" typedef enum {
CellStateLeft,
CellStateRight,
CellStateCenter, } CellState; @protocol MyTableViewCellDelegate <NSObject>
- (void) btnMenuClick:(NSInteger)index isRightMenu:(NSInteger) isright;
@end @interface myTableViewCell : UITableViewCell<UIGestureRecognizerDelegate,MenuviewDelegate>
{
CellState state;
}
@property (nonatomic,strong) id<MyTableViewCellDelegate> myTableViewCellDelegate; - (id)initWithStyle:(UITableViewCellStyle)style reuseIdentifier:(NSString *)reuseIdentifier;
- (void) initLeftMenu:(NSArray *) btnLeft bagcolor:(NSArray *) leftCol width:(NSInteger)leftWid height:(NSInteger) righthig isText:(BOOL) flag;
- (void) initRightMenu:(NSArray *) btnRight bagcolor:(NSArray *) rightCol width:(NSInteger)rightWid height:(NSInteger) righthig isText:(BOOL) flag; @end
.m文件
//
// myTableViewCell.m
// Delecttable
//
// Created by apple on 14/12/12.
// Copyright (c) 2014年 Reasonable. All rights reserved.
// #import "myTableViewCell.h" @implementation myTableViewCell
{
NSArray * rightconn;
NSArray * rightcolor;
NSInteger rightwidth; BOOL rightIsText;
BOOL hasRightMenu; NSArray * leftconn;
NSArray * leftcolor;
NSInteger leftwidth;
BOOL leftIsText;
BOOL hasLeftMenu; menuview * leftview;
menuview * rightView; NSInteger height; }
- (void) initSubControl
{ } - (id)initWithStyle:(UITableViewCellStyle)style reuseIdentifier:(NSString *)reuseIdentifier{
self = [super initWithStyle:style reuseIdentifier:reuseIdentifier];
if (self) {
hasRightMenu=NO;
hasLeftMenu=NO;
state=CellStateCenter;
[self initControl];
} return self;
}
- (void) initRightMenu:(NSArray *) btnRight bagcolor:(NSArray *) rightCol width:(NSInteger)rightWid height:(NSInteger) righthig isText:(BOOL) flag
{
if ((btnRight.count> && btnRight.count==rightCol.count && flag) || ( btnRight.count> &&!flag)) {
rightconn=btnRight;
rightcolor=rightCol;
rightwidth=[self GetMenuWidth:rightWid isRight:YES];
rightIsText=flag;
state=CellStateCenter;
hasRightMenu=YES;
height=righthig;
[self initControl];
}
}
- (void) initLeftMenu:(NSArray *) btnLeft bagcolor:(NSArray *) leftCol width:(NSInteger)leftWid height:(NSInteger) righthig isText:(BOOL) flag
{
if ((btnLeft.count> && btnLeft.count==leftCol.count && flag) || ( btnLeft.count> &&!flag)) {
leftconn=btnLeft;
leftcolor=leftCol;
leftwidth=[self GetMenuWidth:leftWid isRight:YES];
leftIsText=flag;
state=CellStateCenter;
hasLeftMenu=YES;
height=righthig;
[self initControl];
}
} -(NSInteger) GetMenuWidth:(NSInteger)fucwidth isRight:(BOOL) flag
{
NSInteger totalwidth=flag?rightconn.count*rightwidth:leftconn.count * leftwidth;
NSInteger muennumber=flag?rightconn.count:leftconn.count;
if (totalwidth>self.frame.size.width) {
return (self.frame.size.width/muennumber);
}else{
return fucwidth;
} }
- (void) initControl
{
if (hasRightMenu) {
rightView=[[menuview alloc]initWithFrame:CGRectMake(self.frame.size.width-(rightwidth*rightconn.count), , rightwidth*rightconn.count,height)];
[rightView initMenu:rightconn bagcolor:rightcolor width:rightwidth isText:rightIsText];
rightView.menuviewDelegate=self;
rightView.hidden=YES;
[self addSubview:rightView]; }
if (hasLeftMenu) {
leftview=[[menuview alloc]initWithFrame:CGRectMake(, , leftwidth*leftconn.count,height)];
[leftview initMenu:leftconn bagcolor:leftcolor width:leftwidth isText:leftIsText];
leftview.menuviewDelegate=self;
leftview.hidden=YES;
[self addSubview:leftview];
}
self.userInteractionEnabled=YES;
self.contentView.userInteractionEnabled=YES;
self.contentView.backgroundColor=[UIColor whiteColor]; UISwipeGestureRecognizer * sc1=[[UISwipeGestureRecognizer alloc] initWithTarget:self action:@selector(handleSwipe:)];
sc1.delegate=self;
[sc1 setDirection:UISwipeGestureRecognizerDirectionLeft];
UISwipeGestureRecognizer * sc2=[[UISwipeGestureRecognizer alloc] initWithTarget:self action:@selector(handleSwipe:)];
sc2.delegate=self;
[sc2 setDirection:UISwipeGestureRecognizerDirectionRight];
[self.contentView addGestureRecognizer:sc1];
[self.contentView addGestureRecognizer:sc2];
[self bringSubviewToFront:self.contentView]; } - (void) btnClick:(NSInteger)index
{
[self.myTableViewCellDelegate btnMenuClick:index isRightMenu:state]; } -(BOOL)gestureRecognizer:(UIGestureRecognizer *)gestureRecognizer shouldReceiveTouch:(UITouch *)touch
{
// 判断是不是UIButton的类
if ([touch.view isKindOfClass:[UIButton class]])
{
return NO;
}
else
{
return YES;
}
} -(void)handleSwipe:(UISwipeGestureRecognizer *)gesture { switch (gesture.direction) {
case UISwipeGestureRecognizerDirectionUp:
NSLog(@"%@",@"up");
break; case UISwipeGestureRecognizerDirectionDown: break; case UISwipeGestureRecognizerDirectionLeft:
{
if (state==CellStateCenter) { rightView.hidden=NO;
CGRect rct=CGRectMake( self.contentView.frame.origin.x , self.contentView.frame.origin.y,
self.contentView.frame.size.width, self.contentView.frame.size.height);
rct.origin.x=rct.origin.x-rightwidth*[rightconn count];
self.contentView.frame=rct;
state=CellStateRight;
} if (state==CellStateLeft) {
leftview.hidden=YES;
CGRect rct=CGRectMake( self.contentView.frame.origin.x , self.contentView.frame.origin.y,
self.contentView.frame.size.width, self.contentView.frame.size.height);
rct.origin.x=rct.origin.x-leftwidth*[leftconn count];
self.contentView.frame=rct;
state=CellStateCenter;
} }
break;
case UISwipeGestureRecognizerDirectionRight:
{ if (state==CellStateCenter) {
leftview.hidden=NO;
CGRect rct=CGRectMake( self.contentView.frame.origin.x , self.contentView.frame.origin.y,
self.contentView.frame.size.width, self.contentView.frame.size.height);
rct.origin.x=rct.origin.x+leftwidth*[leftconn count];
self.contentView.frame=rct;
state=CellStateLeft;
} if (state==CellStateRight) {
rightView.hidden=YES;
CGRect rct=CGRectMake( self.contentView.frame.origin.x , self.contentView.frame.origin.y,
self.contentView.frame.size.width, self.contentView.frame.size.height);
rct.origin.x=rct.origin.x+rightwidth*[rightconn count];
self.contentView.frame=rct;
state=CellStateCenter;
} }
break; default:
break;
} }
- (void) RightViewSelectindex:(UIButton *) btn
{
NSLog(@"%ld",btn.tag);
}
- (void)setSelected:(BOOL)selected animated:(BOOL)animated {
[super setSelected:selected animated:animated]; // Configure the view for the selected state
} @end
5.说明
开发环境是Xcode 6.1 SDK8.1 未测试其他版本的效果，如果需要测试dome留下邮箱，我会发给你。
欢迎转载。