iOS转盘菜单

【实例简介】

iOS转盘菜单

【核心代码】

- (id)initWithTurntableFrame:(CGRect)frame andLoadPlistName:(NSString *)plistName{

    self = [super initWithFrame:frame];

    if (self) {

        currentCenter = CGPointMake(frame.origin.x frame.size.width/2, frame.origin.y frame.size.height/2);

        //取一级目录

        NSString *plistPath = [[NSBundle mainBundle] pathForResource:plistName ofType:@"plist"];

        arrayE = [[NSArray alloc] initWithContentsOfFile:plistPath];

        dic = [arrayE firstObject];

        centerBtn = [[UIButton alloc] initWithFrame:CGRectMake(0, 0, level0_width, level0_width)];

        centerBtn.center = CGPointMake(level0_width/2.0, level0_width/2.0);

        [centerBtn addTarget:self action:@selector(centerPress) forControlEvents:UIControlEventTouchUpInside];

        [centerBtn setBackgroundImage:[UIImage imageNamed:@"home"] forState:UIControlStateNormal];

        [centerBtn setBackgroundImage:[UIImage imageNamed:@"home"] forState:UIControlStateHighlighted];

        [self addSubview:centerBtn];

        [self bringSubviewToFront:centerBtn];

        self.backgroundColor = [UIColor clearColor];

    }

    return self;

}

- (void)centerPress{

    if (!wzy) {

        self.frame = CGRectMake(0, 0, level1_width, level1_width);

        [self setCenter:currentCenter];

        centerBtn.center = CGPointMake(level1_width/2.0, level1_width/2.0);

        wzy = [[WZYView alloc] initWithFrame:CGRectMake(0, 0, level1_width, level1_width) numberOfSegments:[dic objectForKey:@"item"] ringWidth:level1_width/2 andCen:1];

        wzy.delegate = self;

        wzy.center = centerBtn.center;

        [self addSubview:wzy];

        [self sendSubviewToBack:wzy];

    }else

    {

        self.frame = CGRectMake(0, 0, level0_width , level0_width);

        [self setCenter:currentCenter];

        centerBtn.center = CGPointMake(level0_width/2.0, level0_width/2.0);

        wzy.delegate = nil;

        [wzy removeFromSuperview];

        wzy2C? [wzy2C removeFromSuperview]: nil;

        wzy3C? [wzy3C removeFromSuperview]: nil;

        wzy2C = nil;

        wzy3C = nil;

        wzy = nil;

    }

}

#pragma mark ---WZYViewDelegate

- (void)chooseWZYItem:(WZYButton *)btn{

    NSInteger level = btn.level;

    if (level == 1) {

        if (btn.nextBool) {

            //更新菜单

            if (wzy2C) {

                [wzy2C removeFromSuperview];

            }

            if (wzy3C) {

                [wzy3C removeFromSuperview];

            }

            self.frame = CGRectMake(0, 0, level2_width, level2_width);

            self.center = currentCenter;

            centerBtn.center = CGPointMake(level2_width/2.0, level2_width/2.0);

            wzy.center = centerBtn.center;

            WZYView *wzy2 = [[WZYView alloc] initWithFrame:CGRectMake(0, 0, level2_width, level2_width) numberOfSegments:btn.segmentArr ringWidth:level2_width/2 andCen:2];

            wzy2.delegate = self;

            wzy2.center = centerBtn.center;

            [self addSubview:wzy2];

            [self sendSubviewToBack:wzy2];

            wzy.passthroughViews = wzy2.btnMutArr;

            wzy2C = wzy2;

        }else{

            //跳转页面

            if (wzy3C) {

                [wzy3C removeFromSuperview];

            }

            if (wzy2C) {

                [wzy2C removeFromSuperview];

            }

            self.frame = CGRectMake(0, 0, level1_width, level1_width);

            self.center = currentCenter;

            centerBtn.center = CGPointMake(level1_width/2.0, level1_width/2.0);

            wzy.center = centerBtn.center;

            if ([self.delegate respondsToSelector:@selector(nextView:)]) {

                [self.delegate nextView:btn.nextView];

            }

        }

    }else if (level == 2){

        if (btn.nextBool) {

            //更新菜单

            if (wzy3C) {

                [wzy3C removeFromSuperview];

            }

            self.frame = CGRectMake(0, 0, level3_width, level3_width);

            self.center = currentCenter;

            WZYView *wzy3 = [[WZYView alloc] initWithFrame:CGRectMake(0, 0, level3_width, level3_width) numberOfSegments:btn.segmentArr ringWidth:250.0/2 andCen:3];

            wzy3.delegate = self;

            wzy3.passthroughViews = nil;

            [self addSubview:wzy3];

            [self sendSubviewToBack:wzy3];

            centerBtn.center = CGPointMake(level3_width/2.0, level3_width/2.0);

            wzy2C.center = centerBtn.center;

            wzy.center = centerBtn.center;

            wzy3C = wzy3;

            wzy2C.passthroughViews = wzy3.btnMutArr;

        }else{

            if (wzy3C) {

                [wzy3C removeFromSuperview];

            }

            self.frame = CGRectMake(0, 0, level2_width, level2_width);

            self.center = currentCenter;

            centerBtn.center = CGPointMake(level2_width/2.0, level2_width/2.0);

            wzy2C.center = centerBtn.center;

            wzy.center = centerBtn.center;

            if ([self.delegate respondsToSelector:@selector(nextView:)]) {

                [self.delegate nextView:btn.nextView];

            }

        }

    }else{

        if ([self.delegate respondsToSelector:@selector(nextView:)]) {

            [self.delegate nextView:btn.nextView];

        }

    }

}

- (void)clearBtnView

{

    if (wzy) {

        [wzy clearBtn];

    }

    if (wzy2C) {

        [wzy2C clearBtn];

    }

    if (wzy3C) {

        [wzy2C clearBtn];

    }

}