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556 lines
20 KiB
556 lines
20 KiB
// |
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// MCPageView.m |
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// QQFoundation |
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// |
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// Created by qinmuqiao on 2018/6/10. |
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// Copyright © 2018年 慕纯. All rights reserved. |
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// |
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#import "MCPageView.h" |
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#define itemDefaultColor [UIColor colorWithRed:220/255.0f green:220/255.0f blue:220/255.0f alpha:1] |
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static CGFloat const scale = 0.1; |
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@interface MCPageView ()<UIScrollViewDelegate,UICollectionViewDelegate,UICollectionViewDataSource,UIGestureRecognizerDelegate> |
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@property (nonatomic , strong) NSArray * contentCtrollers; |
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@property (nonatomic , strong) NSArray * contentTitles; |
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@property (nonatomic , strong) NSMutableArray * itemArray; |
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@property (nonatomic , strong) NSMutableArray * bgViewArray; |
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@property (nonatomic , strong) MCItem * lastItem; |
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@property (nonatomic , strong) UIView * lineView; |
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@property (nonatomic , assign) CGFloat titleScrollHeight; |
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//记录外面传进来的RGB的值 |
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@property (nonatomic , assign) CGFloat defaultR,defaultG,defaultB,defaultA,selectedR,selectedG,selectedB,selectedA; |
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@property (nonatomic , strong) UIColor *netxColor ; |
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@property (nonatomic , assign) BOOL isClick; |
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@property (nonatomic , assign) NSInteger lastIndex; |
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@end |
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static const NSInteger itemTag = 100; |
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/**titleButton的最小宽度*/ |
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static const NSInteger minTitleButtonWitdh = 60; |
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@implementation MCPageView |
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- (instancetype)initWithFrame:(CGRect)frame titles:(NSArray *)titles controllers:(NSArray *)controllers |
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{ |
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if (self = [super initWithFrame:frame]) { |
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self.contentTitles = [NSArray arrayWithArray:titles]; |
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_contentCtrollers = [NSArray arrayWithArray:controllers]; |
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self.itemArray = [NSMutableArray array]; |
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self.bgViewArray = [NSMutableArray array]; |
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//titleView 的初始化高度 |
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_titleScrollHeight = 50; |
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//初始化横线的宽度是title的一半 |
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_lineWitdhScale = 0.5; |
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self.isClick = NO; |
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[self addSubview:self.titleScroll]; |
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[self.titleScroll addSubview:self.lineView]; |
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[self addSubview:self.contentCollection]; |
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} |
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return self; |
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} |
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#pragma mark - UICollectionViewDelegate |
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- (NSInteger)collectionView:(UICollectionView *)collectionView numberOfItemsInSection:(NSInteger)section |
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{ |
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return self.contentCtrollers.count; |
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} |
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- (UICollectionViewCell *)collectionView:(UICollectionView *)collectionView cellForItemAtIndexPath:(NSIndexPath *)indexPath |
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{ |
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UICollectionViewCell *cell = [collectionView dequeueReusableCellWithReuseIdentifier:@"MCContent" forIndexPath:indexPath]; |
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cell.highlighted = NO; |
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return cell; |
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} |
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//将要加载某个Item时调用的方法 |
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- (void)collectionView:(UICollectionView *)collectionView willDisplayCell:(UICollectionViewCell *)cell forItemAtIndexPath:(NSIndexPath *)indexPath |
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{ |
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UIViewController *childVC = self.contentCtrollers[indexPath.item]; |
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childVC.view.frame = cell.contentView.bounds; |
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[cell.contentView.subviews makeObjectsPerformSelector:@selector(removeFromSuperview)]; |
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if (![cell.contentView.subviews containsObject:childVC.view]) { |
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[cell.contentView addSubview:childVC.view]; |
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} |
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} |
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//将要加载头尾视图时调用的方法 |
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- (void)collectionView:(UICollectionView *)collectionView willDisplaySupplementaryView:(UICollectionReusableView *)view forElementKind:(NSString *)elementKind atIndexPath:(NSIndexPath *)indexPath |
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{ |
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} |
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#pragma mark - UIScrollViewDelegate |
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- (void)scrollViewDidScroll:(UIScrollView *)scrollView |
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{ |
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if (scrollView == self.contentCollection) { |
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NSInteger index = (int)scrollView.contentOffset.x/SCREEN_WIDTH; |
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CGFloat percent = (scrollView.contentOffset.x - SCREEN_WIDTH *index)/SCREEN_WIDTH; |
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percent = fabs(percent); |
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if (scrollView.contentOffset.x - SCREEN_WIDTH *(index) == 0) { |
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NSInteger index = (int)scrollView.contentOffset.x/SCREEN_WIDTH; |
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[self changeItemStatus:index]; |
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return; |
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} |
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//点击头部按钮的时候不走下面的动画 |
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if (self.isClick) { |
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return; |
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} |
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//横线的动画 |
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self.lineView.centerX = self.titleButtonWidth *(0.5 + index + percent); |
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if (index <self.lastIndex) { |
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[self animationItem:YES percent:percent index:index]; |
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}else{ |
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[self animationItem:NO percent:percent index:index]; |
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} |
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} |
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} |
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- (void)animationItem:(BOOL)isleft percent:(CGFloat)percent index:(NSInteger)index |
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{ |
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MCItem *nextItem = nil; |
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MCItem *lastItem = nil; |
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if (isleft ) |
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{ |
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nextItem = self.itemArray[index]; |
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lastItem = self.itemArray[index+1]; |
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}else if(!isleft && index + 1 < self.itemArray.count) |
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{ |
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nextItem = self.itemArray[index +1]; |
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lastItem = self.itemArray[index]; |
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} |
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if (!nextItem) |
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{ |
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return; |
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} |
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if (!self.netxColor) |
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{ |
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[self getColorRGB:self.defaultTitleColor isSelected:NO]; |
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[self getColorRGB:self.selectTitleColor isSelected:YES]; |
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} |
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self.netxColor =[UIColor colorWithRed:self.defaultR + (self.selectedR - self.defaultR)*percent green:self.defaultG + (self.selectedG - self.defaultG)*percent blue:self.defaultB + (self.selectedB - self.defaultB)*percent alpha:self.defaultA + (self.selectedA - self.defaultA)*percent]; |
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UIColor *lastColor = [UIColor colorWithRed:self.selectedR - (self.selectedR - self.defaultR)*percent green:self.selectedG - (self.selectedG - self.defaultG)*percent blue:self.selectedB - (self.selectedB - self.defaultB)*percent alpha: self.selectedA - (self.selectedA - self.defaultA)*percent]; |
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if (isleft) |
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{ |
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if (lastItem) |
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{ |
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[lastItem setTitleColor:self.netxColor forState:UIControlStateNormal]; |
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lastItem.transform = CGAffineTransformMakeScale(1 + (scale *percent),1 + (scale *percent)); |
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} |
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[nextItem setTitleColor:lastColor forState:UIControlStateNormal]; |
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nextItem.transform = CGAffineTransformMakeScale(1 + (1-percent)*scale,1 + (1-percent)*scale); |
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} |
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else |
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{ |
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if (lastItem) |
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{ |
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[lastItem setTitleColor:lastColor forState:UIControlStateNormal]; |
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lastItem.transform = CGAffineTransformMakeScale((1+ scale) - (scale * percent),(1+ scale) - (scale * percent)); |
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} |
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[nextItem setTitleColor:self.netxColor forState:UIControlStateNormal]; |
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/* 在原来的基础上缩放（只缩放一次） */ |
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nextItem.transform = CGAffineTransformMakeScale(1 + percent *scale,1 + percent *scale); |
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} |
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} |
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- (void)getfontSize |
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{ |
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} |
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- (void)getColorRGB:(UIColor *)color isSelected:(BOOL)isSelected |
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{ |
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CGFloat red = 0.0; |
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CGFloat green = 0.0; |
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CGFloat blue = 0.0; |
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CGFloat alpha = 0.0; |
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[color getRed:&red green:&green blue:&blue alpha:&alpha]; |
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if (isSelected) { |
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self.selectedA = alpha; |
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self.selectedR = red; |
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self.selectedG = green; |
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self.selectedB = blue; |
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}else{ |
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self.defaultA = alpha; |
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self.defaultR = red; |
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self.defaultG = green; |
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self.defaultB = blue; |
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} |
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} |
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/**item 点击事件*/ |
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- (void)selectItem:(MCItem *)btn |
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{ |
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[self selectIndex:btn.tag - itemTag]; |
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} |
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- (void)selectIndex:(NSInteger)index |
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{ |
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if (index <0 || index >self.contentCtrollers.count) { |
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NSLog(@"滚动的位置大于条目数"); |
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return; |
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} |
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self.isClick = YES; |
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[self changeItemStatus:index]; |
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[self.contentCollection scrollToItemAtIndexPath:[NSIndexPath indexPathForRow:labs(index) inSection:0] atScrollPosition:UICollectionViewScrollPositionCenteredHorizontally animated:NO]; |
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[self scrollToItemCenter:self.itemArray[index]]; |
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} |
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- (void)setBadgeWithIndex:(NSInteger)index badge:(NSInteger)badge |
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{ |
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if (index <0 || index >= self.itemArray.count) { |
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NSLog(@"设置下标错误"); |
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return; |
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} |
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MCItem *item = self.itemArray[index]; |
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item.badge = badge; |
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} |
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- (void)setItemBadgeWithArray:(NSArray *)badgeArray |
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{ |
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if (badgeArray.count > self.itemArray.count || badgeArray.count ==0) { |
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NSLog(@"设置下标错误"); |
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return; |
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} |
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__weak __typeof(&*self)weakSelf = self; |
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[badgeArray enumerateObjectsUsingBlock:^(NSString * obj, NSUInteger idx, BOOL * _Nonnull stop) { |
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MCItem *item = weakSelf.itemArray[idx]; |
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item.badge = obj.integerValue; |
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}]; |
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} |
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- (void)changeItemStatus:(NSInteger)index |
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{ |
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MCItem * Item = self.itemArray[index]; |
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if (Item == self.lastItem) { |
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return; |
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} |
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for (int i = 0; i < self.bgViewArray.count; i++) |
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{ |
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UIView *view = self.bgViewArray[i]; |
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if (view.tag == Item.tag) |
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{ |
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view.backgroundColor = RGBA(24, 144, 255, .1); |
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} |
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else |
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{ |
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view.backgroundColor = RGBA(238, 238, 238, 1); |
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} |
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} |
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[self menuScrollToCenter:index]; |
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if (self.lastItem) { |
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self.lastItem.titleLabel.font = self.defaultTitleFont ?self.defaultTitleFont:Font_(16); |
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[self.lastItem setTitleColor:self.defaultTitleColor ?self.defaultTitleColor:itemDefaultColor forState:UIControlStateNormal]; |
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} |
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self.lastIndex = index; |
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self.lastItem = Item; |
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Item.titleLabel.font = self.selectTitleFont ?self.selectTitleFont:Font_(16); |
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[Item setTitleColor:self.selectTitleColor ?self.selectTitleColor:KKGrey143 forState:UIControlStateNormal]; |
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if ([self.delegate respondsToSelector:@selector(MCPageView:didSelectIndex:)]) { |
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[self.delegate MCPageView:self didSelectIndex:index]; |
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} |
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for (int i = 0; i < self.itemArray.count; i++) |
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{ |
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MCItem * Items = self.itemArray[i]; |
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Items.badgeLb.backgroundColor = i == index ? UIColor.redColor : RGBA(249, 248, 254, 1); |
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Items.badgeLb.textColor = i == index ? KKWhiteColorColor : KKGrey143; |
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} |
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} |
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/** |
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顶部菜单滑动到中间 |
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@param index 第几个item |
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*/ |
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- (void)menuScrollToCenter:(NSInteger)index{ |
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MCItem *Button = self.itemArray[index]; |
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CGFloat left = Button.center.x - SCREEN_WIDTH / 2.0; |
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left = left <= 0 ? 0 : left; |
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CGFloat maxLeft = _titleButtonWidth * self.contentTitles.count - SCREEN_WIDTH; |
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if (maxLeft <=0) { |
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maxLeft = 0; |
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} |
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left = left >= maxLeft ? maxLeft : left; |
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[self.titleScroll setContentOffset:CGPointMake(left, 0) animated:YES]; |
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} |
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/** |
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title底部横线滑动 |
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@param item 滑动到那个item下 |
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*/ |
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- (void)scrollToItemCenter:(MCItem *)item |
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{ |
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if (!item) { |
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return; |
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} |
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self.isClick = NO; |
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[UIView animateWithDuration:0.3 animations:^{ |
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self.lineView.center = item.center; |
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self.lineView.bottom = item.bottom -1; |
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}]; |
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for (int i = 0; i < self.bgViewArray.count; i++) |
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{ |
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UIView *view = self.bgViewArray[i]; |
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if (view.tag == item.tag) |
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{ |
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view.backgroundColor = RGBA(24, 144, 255, .1); |
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} |
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else |
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{ |
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view.backgroundColor = RGBA(238, 238, 238, 1); |
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} |
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} |
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} |
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- (void)setLastItemBackgroundColor:(UIColor *)lastItemBackgroundColor |
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{ |
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_lastItemBackgroundColor = lastItemBackgroundColor; |
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_titleScroll.backgroundColor = lastItemBackgroundColor; |
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} |
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/**设置选中title字体*/ |
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- (void)setSelectTitleFont:(UIFont *)selectTitleFont |
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{ |
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_selectTitleFont = selectTitleFont; |
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self.lastItem.titleLabel.font = _selectTitleFont; |
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} |
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/**设置选中title颜色*/ |
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- (void)setSelectTitleColor:(UIColor *)selectTitleColor |
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{ |
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_selectTitleColor = selectTitleColor; |
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[self.lastItem setTitleColor:_selectTitleColor forState:UIControlStateNormal]; |
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_lineColor = selectTitleColor; |
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self.lineView.backgroundColor = selectTitleColor; |
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} |
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- (void)setDefaultTitleFont:(UIFont *)defaultTitleFont |
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{ |
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_defaultTitleFont = defaultTitleFont; |
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__weak __typeof(&*self)weakSelf = self; |
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[self.itemArray enumerateObjectsUsingBlock:^(MCItem *item, NSUInteger idx, BOOL * _Nonnull stop) { |
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if (idx == 0) |
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{ |
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item.badgeLb.backgroundColor = UIColor.redColor; |
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item.badgeLb.textColor = KKWhiteColorColor; |
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} |
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if (![item isEqual:weakSelf.lastItem]) { |
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item.titleLabel.font = weakSelf.defaultTitleFont; |
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} |
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}]; |
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} |
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- (void)setDefaultTitleColor:(UIColor *)defaultTitleColor |
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{ |
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_defaultTitleColor = defaultTitleColor; |
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__weak __typeof(&*self)weakSelf = self; |
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[self.itemArray enumerateObjectsUsingBlock:^(MCItem *item, NSUInteger idx, BOOL * _Nonnull stop) { |
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if (![item isEqual:weakSelf.lastItem]) { |
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[item setTitleColor:weakSelf.defaultTitleColor forState:UIControlStateNormal]; |
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} |
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}]; |
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} |
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/**设置横线颜色*/ |
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- (void)setLineColor:(UIColor *)lineColor |
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{ |
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_lineColor = lineColor; |
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self.lineView.backgroundColor = lineColor; |
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} |
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/**设置横下相对于titleBtn款低的比例*/ |
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- (void)setLineWitdhScale:(CGFloat)lineWitdhScale |
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{ |
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if (lineWitdhScale > 1) { |
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NSLog(@"长度不可大与一"); |
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return; |
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} |
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_lineWitdhScale = lineWitdhScale; |
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CGRect rect = self.lineView.frame; |
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rect.origin.x = rect.origin.x + ( rect.size.width - _titleButtonWidth*lineWitdhScale)/2; |
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rect.size.width = _titleButtonWidth*lineWitdhScale; |
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self.lineView.frame = rect; |
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} |
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/**是否允许页面滑动*/ |
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- (void)setCanSlide:(BOOL)canSlide |
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{ |
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_canSlide = canSlide; |
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self.contentCollection.scrollEnabled = canSlide; |
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} |
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/**设置选中titlebtn的宽度*/ |
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- (void)setTitleButtonWidth:(CGFloat)titleButtonWidth |
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{ |
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_titleButtonWidth = titleButtonWidth; |
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//取最小值minTitleButtonWitdh |
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if (_titleButtonWidth < minTitleButtonWitdh) { |
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_titleButtonWidth = minTitleButtonWitdh; |
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} |
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//如果给的宽度与title个数乘积小于屏幕宽度 则无效 。取平分屏幕 |
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if ((_titleButtonWidth *_contentTitles.count) >SCREEN_WIDTH) { |
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self.titleScroll.contentSize = CGSizeMake((_titleButtonWidth *_contentTitles.count), self.titleScrollHeight); |
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}else{ |
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_titleButtonWidth = SCREEN_WIDTH/(self.itemArray.count); |
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self.titleScroll.contentSize = CGSizeMake(SCREEN_WIDTH, self.titleScrollHeight); |
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} |
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__weak __typeof(&*self)weakSelf = self; |
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[self.itemArray enumerateObjectsUsingBlock:^(MCItem *item, NSUInteger idx, BOOL * _Nonnull stop) { |
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item.frame = CGRectMake(idx *weakSelf.titleButtonWidth, 0, weakSelf.titleButtonWidth, weakSelf.titleScrollHeight); |
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}]; |
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CGRect lineRect = self.lineView.frame; |
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lineRect.size.width = _titleButtonWidth*_lineWitdhScale; |
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self.lineView.frame = lineRect; |
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[self scrollToItemCenter:self.lastItem]; |
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} |
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- (UIView *)lineView |
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{ |
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if (!_lineView) { |
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_lineView = [[UIView alloc]initWithFrame:CGRectMake(_titleButtonWidth/4, self.titleScrollHeight - 3, _titleButtonWidth/2, 3)]; |
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_lineView.backgroundColor = [UIColor lightGrayColor]; |
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} |
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return _lineView; |
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} |
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- (NSArray *)contentTitles |
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{ |
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if (!_contentTitles) { |
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_contentTitles = [NSArray array]; |
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} |
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return _contentTitles; |
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} |
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- (UICollectionView *)contentCollection |
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{ |
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if (!_contentCollection) { |
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UICollectionViewFlowLayout *flowLayout = [[UICollectionViewFlowLayout alloc]init]; |
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flowLayout.itemSize = CGSizeMake(SCREEN_WIDTH, self.height -self.titleScroll.bottom); |
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flowLayout.minimumLineSpacing = 0; |
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flowLayout.minimumInteritemSpacing = 0; |
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flowLayout.scrollDirection = UICollectionViewScrollDirectionHorizontal; |
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_contentCollection= [[UICollectionView alloc]initWithFrame:CGRectMake(0, self.titleScroll.bottom, SCREEN_WIDTH, self.height - self.titleScroll.bottom) collectionViewLayout:flowLayout]; |
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_contentCollection.showsHorizontalScrollIndicator = NO; |
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_contentCollection.backgroundColor = [UIColor yellowColor]; |
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_contentCollection.pagingEnabled = YES; |
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_contentCollection.bounces = NO; |
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_contentCollection.delegate = self; |
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_contentCollection.dataSource = self; |
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[_contentCollection registerClass:[UICollectionViewCell class] forCellWithReuseIdentifier:@"MCContent"]; |
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} |
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return _contentCollection; |
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} |
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- (UIScrollView *)titleScroll |
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{ |
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if (!_titleScroll) { |
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_titleScroll = [[UIScrollView alloc]initWithFrame:CGRectMake(0, 0, SCREEN_WIDTH, self.titleScrollHeight)]; |
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_titleScroll.backgroundColor = [UIColor whiteColor]; |
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_titleScroll.delegate = self; |
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_titleScroll.showsVerticalScrollIndicator = NO; |
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_titleScroll.showsHorizontalScrollIndicator = NO; |
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_titleButtonWidth = SCREEN_WIDTH/_contentTitles.count; |
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//最小值与个数乘积还大与屏幕的话 就按60宽度算 |
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if (_contentTitles.count * minTitleButtonWitdh > SCREEN_WIDTH) { |
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_titleButtonWidth = minTitleButtonWitdh; |
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self.titleScroll.contentSize = CGSizeMake((minTitleButtonWitdh *_contentTitles.count), self.titleScrollHeight); |
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}else{ |
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self.titleScroll.contentSize = CGSizeMake(SCREEN_WIDTH, self.titleScrollHeight); |
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} |
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__weak __typeof(&*self)weakSelf = self; |
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[_contentTitles enumerateObjectsUsingBlock:^(id _Nonnull obj, NSUInteger idx, BOOL * _Nonnull stop) { |
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@autoreleasepool{ |
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MCItem *item = [[MCItem alloc]initWithFrame:CGRectMake(idx *weakSelf.titleButtonWidth, 0, weakSelf.titleButtonWidth, weakSelf.titleScrollHeight)]; |
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item.tag = idx + itemTag; |
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[item setTitleColor:itemDefaultColor forState:UIControlStateNormal]; |
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[item setTitle:obj forState:UIControlStateNormal]; |
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[item.titleLabel setFont:[UIFont systemFontOfSize:14]]; |
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[item addTarget:weakSelf action:@selector(selectItem:) forControlEvents:UIControlEventTouchUpInside]; |
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item.titleLabel.textAlignment = NSTextAlignmentCenter; |
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// CGFloat ww = _contentCtrollers.count == 4 ? Adapted(75) : Adapted(65); |
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// UIView *bgView = [UICommon ui_view:CGRectMake(item.frame.origin.x+(item.frame.size.width-ww)/2, (item.frame.size.height-Adapted(30))/2,ww, Adapted(30)) backgroundColor:RGBA(238, 238, 238, 1) alpha:1 cornerRadius:5 borderWidth:0 borderColor:KKWhiteColorColor]; |
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// bgView.tag = idx + itemTag; |
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if (idx ==0) |
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{ |
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weakSelf.lastItem = item; |
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//bgView.backgroundColor = RGBA(24, 144, 255, .1); |
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item.transform = CGAffineTransformMakeScale(1+scale,1+scale); |
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[item setTitleColor:[UIColor blackColor] forState:UIControlStateNormal]; |
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} |
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[weakSelf.itemArray addObject:item]; |
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//[weakSelf.titleScroll addSubview:bgView]; |
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//[weakSelf.bgViewArray addObject:bgView]; |
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[weakSelf.titleScroll addSubview:item]; |
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} |
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}]; |
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} |
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return _titleScroll; |
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} |
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@end |
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@interface MCItem() |
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@end |
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@implementation MCItem |
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{ |
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CGRect originRect; |
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} |
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- (void)setBadge:(NSInteger)badge |
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{ |
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_badge = badge; |
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NSString *badgeText = [NSString string]; |
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if (badge > 99) |
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{ |
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badgeText = @"99+"; |
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} |
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else if(badge > 0) |
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{ |
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badgeText = [NSString stringWithFormat:@"%lu",(long)badge]; |
|
} |
|
else |
|
{ |
|
self.badgeLb.text = @""; |
|
} |
|
self.badgeLb.text = badgeText; |
|
[self.badgeLb sizeToFit]; |
|
originRect = self.badgeLb.frame; |
|
} |
|
- (void)layoutSubviews |
|
{ |
|
[super layoutSubviews]; |
|
CGRect rect = originRect; |
|
if (_badge < 0) |
|
{ |
|
rect.size.width = 10; |
|
rect.size.height = 10; |
|
} |
|
else if(_badge <= 0) |
|
{ |
|
rect.size.width = 0; |
|
} |
|
else |
|
{ |
|
rect.size.width = originRect.size.width + 10; |
|
} |
|
self.badgeLb.frame = rect; |
|
|
|
CGPoint point = self.badgeLb.center; |
|
point.x = self.frame.size.width/2 + (self.titleLabel.frame.size.width/1.5); |
|
point.y = self.frame.size.height/2 - self.titleLabel.frame.size.height/2 - 5; |
|
self.badgeLb.center = point; |
|
self.badgeLb.layer.cornerRadius = self.badgeLb.frame.size.height/2; |
|
|
|
} |
|
- (UILabel *)badgeLb |
|
{ |
|
if (!_badgeLb) { |
|
_badgeLb = [[UILabel alloc]init]; |
|
_badgeLb.textColor = KKGrey143; |
|
_badgeLb.backgroundColor = RGBA(249, 248, 254, 1); |
|
_badgeLb.font = Font_(12); |
|
_badgeLb.textAlignment = NSTextAlignmentCenter; |
|
_badgeLb.layer.masksToBounds = YES; |
|
[self addSubview:_badgeLb]; |
|
} |
|
return _badgeLb; |
|
} |
|
|
|
@end |
|
|
|
|