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优化 可滑动的小标签 #11

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优化 可滑动的小标签 #11

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20 changes: 7 additions & 13 deletions ZTPageController/Demo/Class/MenuView.m
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Original file line number Diff line number Diff line change
Expand Up @@ -53,7 +53,6 @@ - (void)loadWithScollviewAndBtnWithTitles:(NSArray *)titles {
MenuScrollView.showsVerticalScrollIndicator = NO;
MenuScrollView.showsHorizontalScrollIndicator = NO;
MenuScrollView.backgroundColor = [UIColor whiteColor];
MenuScrollView.delegate = self;
self.MenuScrollView= MenuScrollView;
[self addSubview:self.MenuScrollView];
//btn创建
Expand Down Expand Up @@ -236,24 +235,19 @@ - (void)MoveCodeWithIndex:(int )index {
if (index > count-1) return;

if ( self.MenuScrollView.contentOffset.x + btn.x > self.centerX ) {

[self.MenuScrollView setContentOffset:CGPointMake(contenoffsetX + distance + btn.width, 0) animated:YES];
float moveX = contenoffsetX + distance + btn.width;
float contentOfSum = self.MenuScrollView.contentSize.width - self.MenuScrollView.width;
if (moveX > contentOfSum) {
[self.MenuScrollView setContentOffset:CGPointMake(contentOfSum, 0) animated:YES];
}else{
[self.MenuScrollView setContentOffset:CGPointMake(contenoffsetX + distance + btn.width/2, 0) animated:YES];
}
}else{

[self.MenuScrollView setContentOffset:CGPointMake(0 , 0) animated:YES];
}
}

- (void)scrollViewDidScroll:(UIScrollView *)scrollView {
if (scrollView.contentOffset.x <= 0) {

[scrollView setContentOffset:CGPointMake(0 , 0)];
}else if(scrollView.contentOffset.x + self.width >= scrollView.contentSize.width){

[scrollView setContentOffset:CGPointMake(scrollView.contentSize.width - self.width, 0)];
}
}

- (void)selectWithIndex:(int)index AndOtherIndex:(int)tag {
self.selectedBtn = self.MenuScrollView.subviews[index];
MenuViewBtn *otherbtn = self.MenuScrollView.subviews[tag];
Expand Down