.h
.m
#import "CBSlideView.h"#define UIColorRGBA(r, g, b, a) [UIColor colorWithRed:(r)/255.0 green:(g)/255.0 blue:(b)/255.0 alpha:(a)]#define kWindowWidth ([[UIScreen mainScreen] bounds].size.width)#define kWindowHeight ([[UIScreen mainScreen] bounds].size.height)#define KTopViewHight 50@interface CBSlideView()@property (nonatomic,strong) UIScrollView * bottomScrollView;
@property (nonatomic,strong) UIView * topView;
@property (nonatomic,strong) UIScrollView * topScrollView;
@property (nonatomic,strong) UIView * slideView;
@property (nonatomic,strong) NSMutableArray * btnArray;
@end
@implementation CBSlideView
- (instancetype)initWithFrame:(CGRect)frame WithViewControllers:(NSArray *)viewControllers{
if (self = [super initWithFrame:frame]) {
self.vcArray = viewControllers;
}
return self;
}
- (void)setVcArray:(NSArray *)vcArray{
_vcArray = vcArray;
_btnArray = [NSMutableArray array];
[self confingTopView];
[self configBottomView];
}
- (void)confingTopView{
// 按钮宽度
CGFloat buttonWight = kWindowWidth / _vcArray.count;
// 按钮高度
CGFloat buttonhight = KTopViewHight - 4;
CGRect topViewFrame = CGRectMake(0, 0, kWindowWidth, KTopViewHight
);
self.topView = [[UIView alloc]initWithFrame:topViewFrame];
[self addSubview:self.topView];
self.slideView = [[UIView alloc] initWithFrame:CGRectMake(0, KTopViewHight - 3, buttonWight, 3)];
[_slideView setBackgroundColor:UIColorRGBA(239, 93, 58, 1)];
[_topView addSubview:self.slideView];
//添加按钮
for (int i = 0; i < self.vcArray.count ; i ++) {
UIView *view = [[UIView alloc] initWithFrame:CGRectMake(i * buttonWight, 0, buttonWight, buttonhight)];
UIButton *button = [[UIButton alloc] initWithFrame:CGRectMake(0, 0, buttonWight, buttonhight)];
button.tag = i;
NSString * buttonTitle = [self.vcArray[i] allKeys][0];
[button setTitle:buttonTitle forState:UIControlStateNormal];
button.titleLabel.font = [UIFont systemFontOfSize:17];
[button setTitleColor:UIColorRGBA(52, 52, 52, 1) forState:UIControlStateNormal];
if (i == 0) {
[button setTitleColor:UIColorRGBA(239, 93, 58, 1) forState:UIControlStateNormal];
}
[button addTarget:self action:@selector(tabButton:) forControlEvents:UIControlEventTouchUpInside];
[view addSubview:button];
[_btnArray addObject:button];
[_topView addSubview:view];
}
UIView *lineView = [[UIView alloc] initWithFrame:CGRectMake(0,KTopViewHight - 1 , kWindowWidth, 1)];
lineView.backgroundColor = UIColorRGBA(239, 93, 58, 1);
[_topView addSubview:lineView];
}
- (void)configBottomView{
CGRect bottomScrollViewFrame = CGRectMake(0, KTopViewHight, kWindowWidth, kWindowHeight - KTopViewHight );
self.bottomScrollView = [[UIScrollView alloc]initWithFrame:bottomScrollViewFrame];
[self addSubview:_bottomScrollView];
for (int i = 0; i < self.vcArray.count ; i ++) {
CGRect VCFrame = CGRectMake(i * kWindowWidth, 0, kWindowWidth, bottomScrollViewFrame.size.height);
NSString * key = [self.vcArray[i] allKeys][0];
UIViewController * vc = _vcArray[i][key] ;
vc.view.frame = VCFrame;
[self.bottomScrollView addSubview:vc.view];
}
self.bottomScrollView.contentSize = CGSizeMake(self.vcArray.count * kWindowWidth, 0);
self.bottomScrollView.pagingEnabled = YES;
self.bottomScrollView.showsHorizontalScrollIndicator = NO;
self.bottomScrollView.showsVerticalScrollIndicator = NO;
self.bottomScrollView.directionalLockEnabled = YES;
self.bottomScrollView.bounces = NO;
self.bottomScrollView.delegate =self;
}
-(void)scrollViewDidScroll:(UIScrollView *)scrollView{
CGRect frame = _slideView.frame;
frame.origin.x = scrollView.contentOffset.x/_vcArray.count;
_slideView.frame = frame;
int pageNum = scrollView.contentOffset.x / kWindowWidth;
for (UIButton * btn in _btnArray) {
if (btn.tag == pageNum ) {
[btn setTitleColor:UIColorRGBA(239, 93, 58, 1) forState:UIControlStateNormal];
}else{
[btn setTitleColor:UIColorRGBA(52, 52, 52, 1) forState:UIControlStateNormal];
}
}
}
-(void) tabButton: (id) sender{
UIButton *button = sender;
[button setTitleColor:UIColorRGBA(239, 93, 58, 1) forState:UIControlStateNormal];
for (UIButton * btn in _btnArray) {
if (button != btn ) {
[btn setTitleColor:UIColorRGBA(52, 52, 52, 1) forState:UIControlStateNormal];
}
}
[_bottomScrollView setContentOffset:CGPointMake(button.tag * kWindowWidth, 0) animated:YES];
}
@end
