#import <UIKit/UIKit.h>
@protocol CustomSelectViewDelegate <NSObject>
-(void)selectedButtonTag:(NSInteger)tag;
@end
@interface CustomSelectView : UIView
//红线
@property (nonatomic, strong) UILabel *redLabel;
//数据源
@property (nonatomic, strong) NSMutableArray *tableArray;
@property (nonatomic, strong) NSString *selectedString;
//中间变量按钮
@property (strong,nonatomic) UIButton *tempBtn;
@property (nonatomic, assign) CGFloat oldViewWidth;
//滚动视图
@property (nonatomic, strong) UIScrollView *myScroll;
@property (nonatomic, assign) id<CustomSelectViewDelegate>myDelegate;
- (id)initWithFrame:(CGRect)frame dataArray:(NSArray *)array;
-(void)updateView;
-(void)touchDownButtonClicked:(id)sender;
#import "CustomSelectView.h"
@implementation CustomSelectView
@synthesize redLabel,tableArray,tempBtn,myScroll;
- (id)initWithFrame:(CGRect)frame dataArray:(NSArray *)array
{
self = [super initWithFrame:frame];
if (self)
{
self.backgroundColor = [UIColor whiteColor];
CGFloat curW = frame.size.width;
CGFloat curH = frame.size.height;
CGFloat bw = curW/7;
CGFloat bh = 32;
CGFloat bx = 0;
CGFloat by = 6;
self.myScroll = [[UIScrollView alloc] initWithFrame:CGRectMake(0, 0, curW, curH)];
self.myScroll.showsHorizontalScrollIndicator = NO;
self.myScroll.showsVerticalScrollIndicator = NO;
// self.myScroll.backgroundColor = [UIColor yellowColor];
[self addSubview:self.myScroll];
UIView *lineView = [[UIView alloc] initWithFrame:CGRectMake(curW, 12,1 , curH-20)];
lineView.backgroundColor = [UIColor colorWithRed:241/255.0 green:241/255.0 blue:241/255.0 alpha:1];
[self addSubview:lineView];
}
return self;
}
-(void)updateView
{
for (UIView *vw in self.myScroll.subviews)
{
[vw removeFromSuperview];
}
CGFloat curW = self.frame.size.width;
CGFloat curH = self.frame.size.height;
CGFloat bw = curW/7;
CGFloat bh = 32;
CGFloat bx = 0;
CGFloat by = 6;
for (int i = 0; i < self.tableArray.count; i++)
{
UIButton *button = [[UIButton alloc] initWithFrame:CGRectMake(bx, by, bw, bh)];
button.tag = 100+i;
button.titleLabel.font = [UIFont systemFontOfSize:14.0];
IndexLeiMuObject *leiMuObj = [tableArray objectAtIndex:i];
NSString *titleString = leiMuObj.sourceName;
[button setTitle:titleString forState:UIControlStateNormal];
// [button setTitleColor:[UIColor blackColor] forState:UIControlStateNormal];
button.backgroundColor = [UIColor whiteColor];
[self.myScroll addSubview:button];
[button addTarget:self action:@selector(touchDownButtonClicked:) forControlEvents:UIControlEventTouchUpInside];
bx += bw;
if([self.selectedString isEqualToString:titleString])
{
tempBtn = button;
button.titleLabel.font = [UIFont systemFontOfSize:14.0];
[button setTitleColor:[UIColor colorWithRed:250.0/255.0 green:9.0/255.0 blue:58.0/255.0 alpha:1.0] forState:UIControlStateNormal];
}
else
{
button.titleLabel.font = [UIFont systemFontOfSize:14.0];
[button setTitleColor:[UIColor colorWithRed:90/255.0 green:90/255.0 blue:90/255.0 alpha:1] forState:UIControlStateNormal];
}
[self.myScroll addSubview:button];
}
self.redLabel = [[UILabel alloc] initWithFrame:CGRectMake(5, curH-3, bw-10, 2)];
self.redLabel.backgroundColor = [UIColor colorWithRed:250/255.0 green:9/255.0 blue:58/255.0 alpha:1];
[self.myScroll addSubview:self.redLabel];
self.myScroll.contentSize = CGSizeMake(bx,0);
}
- (void)touchDownButtonClicked:(id)sender
{
[UIView animateWithDuration:0.2 animations:^{
tempBtn.titleLabel.font = [UIFont systemFontOfSize:14.0];
[tempBtn setTitleColor:[UIColor colorWithRed:90/255.0 green:90/255.0 blue:90/255.0 alpha:1] forState:UIControlStateNormal];
UIButton *btn = sender;
// if(daPaiFanArray)
// {
// NSDictionary *diationary = [daPaiFanArray objectAtIndex:btn.tag-100];
// [self.topScrollviewDelegate selectIndexRow:btn.tag-100];
// NSString *sourceName = [diationary objectForKey:@"browse_value"];
// self.selectedString = sourceName;
// btn.titleLabel.font = [UIFont fontWithName:@"YouYuan" size:18];
// [btn setTitleColor:[UIColor redColor] forState:UIControlStateNormal];
// selectOldButton = btn;
//
// if(isNormalType)
// {
// return ;
// }
// if(btn.frame.origin.x+btn.frame.size.width/2-self.oldViewWidth/2>=0 && btn.frame.origin.x+btn.frame.size.width/2+self.oldViewWidth/2<=self.contentSize.width)
// {
// [self setContentOffset:CGPointMake(btn.frame.origin.x+btn.frame.size.width/2-self.oldViewWidth/2, btn.frame.origin.y) animated:YES];
// }
// else if(btn.frame.origin.x+btn.frame.size.width/2-self.oldViewWidth/2<0)
// {
// [self setContentOffset:CGPointMake(0, btn.frame.origin.y) animated:YES];
// }
// else if(btn.frame.origin.x+btn.frame.size.width/2+self.oldViewWidth/2>self.contentSize.width)
// {
// [self setContentOffset:CGPointMake(self.contentSize.width-self.frame.size.width, btn.frame.origin.y) animated:YES];
// }
// }
// else
// {
IndexLeiMuObject *leiMuObj = [tableArray objectAtIndex:btn.tag-100];
[self.myDelegate selectedButtonTag:btn.tag];
self.selectedString = leiMuObj.sourceName;
btn.titleLabel.font = [UIFont systemFontOfSize:14.0];
[btn setTitleColor:[UIColor colorWithRed:250/255.0 green:9/255.0 blue:58/255.0 alpha:1] forState:UIControlStateNormal];
self.redLabel.center = btn.center;
CGRect redLabelFrame = self.redLabel.frame;
redLabelFrame.origin.y = btn.frame.origin.y+btn.frame.size.height-1;
self.redLabel.frame = redLabelFrame;
tempBtn = btn;
// if(isNormalType)
// {
// return ;
// }
if(btn.frame.origin.x+btn.frame.size.width/2-self.oldViewWidth/2>=0 && btn.frame.origin.x+btn.frame.size.width/2+self.oldViewWidth/2<=self.myScroll.contentSize.width)
{
[self.myScroll setContentOffset:CGPointMake(btn.frame.origin.x+btn.frame.size.width/2-self.oldViewWidth/2, 0) animated:YES];
}
else if(btn.frame.origin.x+btn.frame.size.width/2-self.oldViewWidth/2<0)
{
[self.myScroll setContentOffset:CGPointMake(0, 0) animated:YES];
}
else if(btn.frame.origin.x+btn.frame.size.width/2+self.oldViewWidth/2>self.myScroll.contentSize.width)
{
[self.myScroll setContentOffset:CGPointMake(self.myScroll.contentSize.width-self.frame.size.width, 0) animated:YES];
}
// }
}];
}
@end
方式二 －－－－－－－－－－－－－－－－－－－－－－－－－－－－－－－－
#import <UIKit/UIKit.h>
#import "SheJiaoTopObject.h"
@protocol CustomHomeSelectViewDelegate <NSObject>
//选中类目
- (void)CustomHomeSelectViewDelegateTitleView:(NSInteger)row;
//选中更多事件
- (void)CustomHomeSelectViewDelegateMoreButton;
@end
@interface CustomHomeSelectView : UIView
{
UIButton *oldButton;
}
@property(nonatomic, weak) id<CustomHomeSelectViewDelegate> delegate;
//红线
@property(nonatomic, strong) UIView *redLineView;
//下拉按钮
@property(nonatomic, strong) UIButton *xialaButton;
//记录数据
@property(nonatomic, strong) NSMutableArray *dataArray;
//添加滚动试图
@property (nonatomic, strong) UIScrollView *myScroll;
@property (nonatomic, assign) NSInteger dataCount;
@property (nonatomic, assign) CGFloat oldViewWidth;
- (id)initWithFrame:(CGRect)frame titleArray:(NSMutableArray *)array;
//修改选中的项
- (void)updateSelectedButton:(IndexLeiMuObject *)topObject row:(NSInteger)row;
//更新数据
-(void)updateView;
@end
#import "CustomHomeSelectView.h"
#define HomeButtonSelectedBGColor [UIColor colorWithRed:241.0/255.0 green:242.0/255.0 blue:244.0/255.0 alpha:1.0]
#define HomeBoderBGColor [UIColor colorWithRed:220.0/255.0 green:221.0/255.0 blue:222.0/255.0 alpha:1.0]
#define HomeButtonTag 2000
#define HomeTitleTag 3000
#define HomeButtonTitleBGColor [UIColor colorWithRed:49.0/255.0 green:50.0/255.0 blue:51.0/255.0 alpha:1.0]
#define HomeButtonTitleSelectedBGColor [UIColor colorWithRed:247.0/255.0 green:64.0/255.0 blue:88.0/255.0 alpha:1.0]
@implementation CustomHomeSelectView
@synthesize delegate,redLineView,xialaButton,dataArray,myScroll;
- (id)initWithFrame:(CGRect)frame titleArray:(NSMutableArray *)array
{
self = [super initWithFrame:frame];
if(self)
{
// self.dataArray = array;
//初始化数据
[self setBackgroundColor:[UIColor whiteColor]];
self.myScroll = [[UIScrollView alloc] initWithFrame:CGRectMake(0, 0, frame.size.width-(frame.size.height-2), frame.size.height)];
// self.myScroll.backgroundColor = [UIColor yellowColor];
self.myScroll.showsHorizontalScrollIndicator = NO;
self.myScroll.showsVerticalScrollIndicator = NO;
[self addSubview:self.myScroll];
// UIButton *hotButton;
// //计算宽度
// CGFloat bw = (frame.size.width-25-(array.count-1)*1)/array.count;
// CGFloat bh = frame.size.height-2;
// CGFloat bx = 0;
// for (int i=0; i<array.count; i++) {
// SheJiaoTopObject *topObject = [array objectAtIndex:i];
// bx = i *bw;
// if(i>0)
// {
// bx = i*bw + i*1;
// }
// CGRect rect = CGRectMake(bx, 1, bw, bh);
// UIButton *button = [UIButton buttonWithType:UIButtonTypeCustom];
// button.tag = HomeButtonTag+i;
// button.frame = rect;
// [button setTitleColor:HomeButtonTitleBGColor forState:UIControlStateNormal];
// [button setTitle:topObject.titleName forState:UIControlStateNormal];
// [button.titleLabel setFont:[UIFont systemFontOfSize:14]];
// [button addTarget:self action:@selector(clickedHomeButton:) forControlEvents:UIControlEventTouchUpInside];
// [self.myScroll addSubview:button];
// if(i == 0)
// {
// [button setTitleColor:HomeButtonTitleSelectedBGColor forState:UIControlStateNormal];
// oldButton = button;
// }
// if([topObject.titleName isEqualToString:@"一元抢"])
// {
// hotButton = button;
// }
// if(i+1 == array.count) //最后一个添加下拉按钮
// {
// CGFloat xialaW = bh;
// self.xialaButton = [[UIButton alloc] initWithFrame:CGRectMake(frame.size.width-xialaW, 1, xialaW, bh)];
// CGSize size = self.xialaButton.frame.size;
// CGFloat imageH = 10;
// UIImageView *imageView = [[UIImageView alloc] initWithFrame:CGRectMake((size.width-imageH)/2-5, (size.height-imageH)/2, imageH, imageH)];
// [imageView setImage:[UIImage imageNamed:@"bbbaoNew_xialade.png"]];
// [self.xialaButton addSubview:imageView];
// [self.xialaButton addTarget:self action:@selector(clickedMoreButton) forControlEvents:UIControlEventTouchUpInside];
// [self addSubview:self.xialaButton];
//
// }
// }
//
// self.myScroll.contentSize = CGSizeMake(bx,0);
// //添加红线
// UITextView *textView = [[UITextView alloc] initWithFrame:oldButton.bounds];
// textView.text = oldButton.titleLabel.text;
// CGFloat redLineW = [NSString getFormatUILabelWidth:textView]+8;
// CGFloat redLineX = oldButton.frame.origin.x+(oldButton.frame.size.width-redLineW)/2;
// self.redLineView = [[UIView alloc] initWithFrame:CGRectMake(redLineX, bh-1, redLineW, 2)];
// [self.redLineView setBackgroundColor:[UIColor redColor]];
// [self.myScroll addSubview:self.redLineView];
//
// //添加热度图片
// textView = [[UITextView alloc] initWithFrame:oldButton.bounds];
// textView.text = hotButton.titleLabel.text;
// redLineW = [NSString getFormatUILabelWidth:textView]+8;
// CGFloat hotX = hotButton.frame.size.width/2+redLineW/2;
// UIImageView *hotImageView = [[UIImageView alloc] initWithFrame:CGRectMake(hotX, 0, 20, 18)];
// [hotImageView setImage:[UIImage imageNamed:@"bbbaoNew_hot.png"]];
// hotImageView.userInteractionEnabled = NO;
// [hotButton addSubview:hotImageView];
}
return self;
}
//修改选中的项
- (void)updateSelectedButton:(IndexLeiMuObject *)topObject row:(NSInteger)row
{
if(oldButton)
{
[oldButton setTitleColor:HomeButtonTitleBGColor forState:UIControlStateNormal];
}
//改变选中的button名字
UIButton *button = (UIButton *)[self.myScroll viewWithTag:HomeButtonTag+row];
// if(topObject.jiluNumber == 4)
// {
// [button setTitle:topObject.titleName forState:UIControlStateNormal];
// }
[button setTitleColor:HomeButtonTitleSelectedBGColor forState:UIControlStateNormal];
oldButton = button;
//改变红色线条
UITextView *textView = [[UITextView alloc] initWithFrame:button.bounds];
textView.text = button.titleLabel.text;
CGFloat redLineW = [NSString getFormatUILabelWidth:textView]+8;
CGRect redRect = self.redLineView.frame;
redRect.origin.x = button.frame.origin.x+(button.frame.size.width-redLineW)/2;
redRect.size.width = redLineW;
self.redLineView.frame = redRect;
if(button.frame.origin.x+button.frame.size.width/2-self.oldViewWidth/2>=0 && button.frame.origin.x+button.frame.size.width/2+self.oldViewWidth/2<=self.myScroll.contentSize.width)
{
[self.myScroll setContentOffset:CGPointMake(button.frame.origin.x+button.frame.size.width/2-self.oldViewWidth/2, 0) animated:YES];
}
else if(button.frame.origin.x+button.frame.size.width/2-self.oldViewWidth/2<0)
{
[self.myScroll setContentOffset:CGPointMake(0, 0) animated:YES];
}
else if(button.frame.origin.x+button.frame.size.width/2+self.oldViewWidth/2>self.myScroll.contentSize.width)
{
[self.myScroll setContentOffset:CGPointMake(self.myScroll.contentSize.width-self.frame.size.width+30, 0) animated:YES];
}
}
//点击按钮事件
- (void)clickedHomeButton:(id)sender
{
UIButton *button = sender;
//改变它的样式
NSInteger row = button.tag - HomeButtonTag;
IndexLeiMuObject *leiMuObj = [self.dataArray objectAtIndex:row];
[self updateSelectedButton:leiMuObj row:row];
oldButton = button;
[self.delegate CustomHomeSelectViewDelegateTitleView:row];
}
//点击更多类目
- (void)clickedMoreButton
{
[self.delegate CustomHomeSelectViewDelegateMoreButton];
}
//---------
-(void)updateView
{
for (UIView *vw in self.myScroll.subviews)
{
[vw removeFromSuperview];
}
CGFloat curW = self.frame.size.width;
CGFloat curH = self.frame.size.height;
UIButton *hotButton;
//计算宽度
// CGFloat bw = (self.frame.size.width-25-(self.dataArray.count-1)*1)/self.dataArray.count;
CGFloat bw = 50;
CGFloat bh = curH-2;
CGFloat bx = 10;
NSInteger count = self.dataArray.count;
NSString *titleName;
for (int i=0; i < self.dataArray.count; i++)
{
IndexLeiMuObject *topObject = [self.dataArray objectAtIndex:i];
titleName = topObject.sourceName;
UIButton *button = [UIButton buttonWithType:UIButtonTypeCustom];
//添加红线
UITextView *textView = [[UITextView alloc] initWithFrame:button.bounds];
textView.text = titleName;
bw = [NSString getFormatUILabelWidth:textView]+8;
CGRect rect = CGRectMake(bx, 1, bw, bh);
button.tag = HomeButtonTag+i;
button.frame = rect;
[button setTitleColor:HomeButtonTitleBGColor forState:UIControlStateNormal];
[button setTitle:titleName forState:UIControlStateNormal];
[button.titleLabel setFont:[UIFont systemFontOfSize:14]];
[button addTarget:self action:@selector(clickedHomeButton:) forControlEvents:UIControlEventTouchUpInside];
[self.myScroll addSubview:button];
if(i == 0)
{
[button setTitleColor:HomeButtonTitleSelectedBGColor forState:UIControlStateNormal];
oldButton = button;
}
if(i+1 == self.dataArray.count) //最后一个添加下拉按钮
{
CGFloat xialaW = bh;
self.xialaButton = [[UIButton alloc] initWithFrame:CGRectMake(curW-xialaW, 1, xialaW, bh)];
CGSize size = self.xialaButton.frame.size;
CGFloat imageH = 10;
UIImageView *imageView = [[UIImageView alloc] initWithFrame:CGRectMake((size.width-imageH)/2-5, (size.height-imageH)/2, imageH, imageH)];
[imageView setImage:[UIImage imageNamed:@"bbbaoNew_xialade.png"]];
[self.xialaButton addSubview:imageView];
[self.xialaButton addTarget:self action:@selector(clickedMoreButton) forControlEvents:UIControlEventTouchUpInside];
[self addSubview:self.xialaButton];
}
bx += bw+10;
}
self.myScroll.contentSize = CGSizeMake(bx,0);
//添加红线
UITextView *textView = [[UITextView alloc] initWithFrame:oldButton.bounds];
textView.text = oldButton.titleLabel.text;
CGFloat redLineW = [NSString getFormatUILabelWidth:textView]+8;
CGFloat redLineX = oldButton.frame.origin.x+(oldButton.frame.size.width-redLineW)/2;
self.redLineView = [[UIView alloc] initWithFrame:CGRectMake(redLineX, bh-1, redLineW, 2)];
[self.redLineView setBackgroundColor:[UIColor redColor]];
[self.myScroll addSubview:self.redLineView];
}
@end