#import "TopicListView.h"

#import "TopicListButton.h"

@interface TopicListView ()

{

UIScrollView *_baseView;

UIButton *_baseBtn;

NSInteger _count;

NSInteger _index;

}

@property (nonatomic , copy) TopicListViewBlock block;

@property (nonatomic , copy) TopicListViewHideBlock hideBlock;

@implementation TopicListView

- (id)initWithFrame:(CGRect)frame

titles:(NSArray *)titles

numbers:(NSArray *)numbers

defaultIndex:(NSInteger)index

selectedBlock:(TopicListViewBlock)selectedHandle

hideBlock:(TopicListViewHideBlock)hideHandle

{

self = [super initWithFrame:frame];

if (self) {

self.backgroundColor = [UIColor colorWithRed:0 green:0 blue:0 alpha:0.4];

self.block = selectedHandle;

self.hideBlock = hideHandle;

self.clipsToBounds = YES;

_baseBtn = [[UIButton alloc] initWithFrame:CGRectMake(0, 0, kScreen_Width, self.frame.size.height)];

_baseBtn.backgroundColor = [UIColor clearColor];

[_baseBtn addTarget:self action:@selector(baseBtnClick) forControlEvents:UIControlEventTouchUpInside];

[self addSubview:_baseBtn];

_index = index;

_count = titles.count;

CGFloat h = _count * kMySegmentControl_Height;

CGFloat sH = h;

if (h + kMySegmentControl_Height > self.frame.size.height) {

sH = self.frame.size.height - kMySegmentControl_Height;

}

_baseView = [[UIScrollView alloc] initWithFrame:CGRectMake(0, -sH, kScreen_Width, sH)];

[self addSubview:_baseView];

_baseView.contentSize = CGSizeMake(kScreen_Width, h);

_baseView.bounces = FALSE;

UIView *btnView = [[UIView alloc] initWithFrame:CGRectMake(0, 0, kScreen_Width, h)];

btnView.backgroundColor = [UIColor whiteColor];

[_baseView addSubview:btnView];

for (int i=0; i<titles.count; i++) {

NSString *title = titles[i];

TopicListButton *btn;

if (numbers) {

btn = [TopicListButton buttonWithTitle:title andNumber:[numbers[i] integerValue]];

} else {

btn = [TopicListButton buttonWithTitle:title];

}

CGRect frame = btn.frame;

frame.origin.y = i * kMySegmentControl_Height;

btn.frame = frame;

btn.tag = 1000 + i;

[btn setIconHide:(_index == i ? FALSE : TRUE)];

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

[btnView addSubview:btn];

}

}

return self;

}

- (void)changeWithTitles:(NSArray *)titles

numbers:(NSArray *)numbers

defaultIndex:(NSInteger)index

selectedBlock:(TopicListViewBlock)selectedHandle

hideBlock:(TopicListViewHideBlock)hideHandle

{

self.block = selectedHandle;

self.hideBlock = hideHandle;

CGRect frame = _baseView.frame;

frame.origin.y = -frame.size.height;

[UIView animateWithDuration:0.2 delay:0.0 options:UIViewAnimationOptionCurveLinear animations:^{

_baseView.frame = frame;

} completion:^(BOOL finished) {

[_baseView removeFromSuperview];

_index = index;

_count = titles.count;

CGFloat h = _count * kMySegmentControl_Height;

CGFloat sH = h;

if (h + kMySegmentControl_Height > self.frame.size.height) {

sH = self.frame.size.height - kMySegmentControl_Height;

}

_baseView = [[UIScrollView alloc] initWithFrame:CGRectMake(0, -sH, kScreen_Width, sH)];

[self addSubview:_baseView];

_baseView.contentSize = CGSizeMake(kScreen_Width, h);

_baseView.bounces = FALSE;

UIView *btnView = [[UIView alloc] initWithFrame:CGRectMake(0, 0, kScreen_Width, h)];

btnView.backgroundColor = [UIColor whiteColor];

[_baseView addSubview:btnView];

for (int i=0; i<titles.count; i++) {

NSString *title = titles[i];

TopicListButton *btn;

if (numbers) {

btn = [TopicListButton buttonWithTitle:title andNumber:[numbers[i] integerValue]];

} else {

btn = [TopicListButton buttonWithTitle:title];

}

CGRect frame = btn.frame;

frame.origin.y = i * kMySegmentControl_Height;

btn.frame = frame;

btn.tag = 1000 + i;

[btn setIconHide:(_index == i ? FALSE : TRUE)];

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

[btnView addSubview:btn];

}

[self showBtnView];

}];

}

- (void)showBtnView

{

CGRect frame = _baseView.frame;

frame.origin.y = 0;

[UIView animateWithDuration:0.3 animations:^{

_baseView.frame = frame;

} completion:^(BOOL finished) {

}];

}

- (void)hideBtnView

{

CGRect frame = _baseView.frame;

frame.origin.y = -frame.size.height;

[UIView animateWithDuration:0.3 delay:0.0 options:UIViewAnimationOptionCurveLinear animations:^{

_baseView.frame = frame;

} completion:^(BOOL finished) {

if (self.hideBlock) {

self.hideBlock();

}

[UIView animateWithDuration:0.2 animations:^{

self.alpha = 0;

} completion:^(BOOL finished) {

[self removeFromSuperview];

}];

}];

}

- (void)baseBtnClick

{

[self hideBtnView];

}

- (void)btnClick:(TopicListButton *)sender

{

for (int i=1000; i<_count + 1000; i++) {

TopicListButton *btn = (TopicListButton *)[_baseView viewWithTag:i];

[btn setIconHide:(sender.tag == i ? FALSE : TRUE)];

}

if (_index!=sender.tag - 1000 && self.block) {

self.block(sender.tag - 1000);

}

[self hideBtnView];

}