Menu菜單欄

#import <UIKit/UIKit.h>

@protocol MenuProtocol <NSObject>

@optional

-(void)getTag:(NSInteger)tag;

@end

@interface MenuView : UIView{

    NSArray*_MenuArray;//菜單名數組

}

-(void)onClick:(NSInteger)tag;

-(void)setNameWithArray:(NSArray*)menuArray;//設置菜單名方法

@property(nonatomic,assign)id<MenuProtocol>MyDelegate;

@end

@implementation MenuView

-(void)setNameWithArray:(NSArray *)menuArray

{

    _MenuArray=menuArray;

    CGFloat Space=self.frame.size.width/[_MenuArray count];

    for (int i=0; i<[menuArray count]; i++) {

        if (i>0)

        {

        UILabel *label = [[UILabel alloc] initWithFrame:CGRectMake(Space*i,  0, 2,  self.frame.size.height)];

        label.backgroundColor = [UIColor whiteColor];

            [self addSubview:label];

        }

        UIButton *btn=[UIButton buttonWithType:UIButtonTypeCustom];

        btn.frame=CGRectMake(Space*i, 0, Space, self.frame.size.height);

        btn.tag=i;

            

        if (btn.tag==0)

        {

            btn.enabled=NO;

        }

        //字體大小顏色狀態

        NSMutableAttributedString *str=[[NSMutableAttributedString alloc]initWithString:[menuArray objectAtIndex:i]];

        [str addAttributes:@{NSFontAttributeName:[UIFont boldSystemFontOfSize:15],NSForegroundColorAttributeName:[UIColor grayColor]} range:NSMakeRange(0, [str length])];

        [btn setAttributedTitle:str forState:UIControlStateNormal];

        NSMutableAttributedString *selStr=[[NSMutableAttributedString alloc]initWithString:[menuArray objectAtIndex:i]];

        [selStr addAttributes:@{NSFontAttributeName:[UIFont boldSystemFontOfSize:15],NSForegroundColorAttributeName:col}  range:NSMakeRange(0, [str length])];

        [btn setAttributedTitle:selStr forState:UIControlStateDisabled];

        

        [btn addTarget:self action:@selector(btnClick:) forControlEvents:UIControlEventTouchUpInside];

        [self addSubview:btn];

    }

    //底部劃線

    

    UIView *markline=[[UIView alloc]initWithFrame:CGRectMake(0, self.frame.size.height-2, Space+1, 2.0)];

    markline.tag=999;

    markline.backgroundColor=col;

    [self addSubview:markline];

    }

-(void)btnClick:(UIButton*)sender{

    [self onClick:sender.tag];

    if ([self.MyDelegate respondsToSelector:@selector(getTag:)]) {

        [self.MyDelegate getTag:sender.tag];

    }

}

-(void)onClick:(NSInteger )tag

{

    for (UIView*subview in self.subviews) {

        if ([subview isKindOfClass:[UIButton class]]) {

            UIButton *subBtn=(UIButton*)subview;

            if (subBtn.tag==tag) {

                [subBtn setEnabled:NO];

            }else{

                [subBtn setEnabled:YES];

            }

        }

    }

    CGFloat Space=self.frame.size.width/[_MenuArray count];

    UIView *markview=[self viewWithTag:999];

   [UIView animateWithDuration:0.2f animations:^{

        CGRect markFrame=markview.frame;

        markFrame.origin.x=tag*Space;

        markview.frame=markFrame;

    }];

}

@end

-(void)getTag:(NSInteger)tag{

if (tag == 0) {

        [_MyScrollView setContentOffset:CGPointMake(0.0, 0.0) animated:YES];

}

    else

    {

        [_MyScrollView setContentOffset:CGPointMake(mainScreen.size.width+50, 0.0) animated:YES];

}