搜索栏+collectionView实现
效果图如下:
@property (nonatomic,weak) BaseViewController *parentController;
- (instancetype)initWithParentControler:(BaseViewController *)controller;
- (void)prepareView;
@end
{
if (self = [superinit]) {
_parentController = controller;
}
returnself;
}
self.frame = CGRectMake(0, 0, SCREEN_WIDTH, SCREEN_HEIGHT);
self.backgroundColor = NF_Color_C20;
_page = 1;
_gameRoomDataArray = [NSMutableArrayarray];
_sessionArray = [NSMutableArrayarray];
UICollectionViewFlowLayout *layout = [[UICollectionViewFlowLayoutalloc] init];
layout.scrollDirection = UICollectionViewScrollDirectionVertical;
layout.sectionInset = UIEdgeInsetsMake(10, 9, 15, 9);
layout.minimumInteritemSpacing = 9;
layout.minimumLineSpacing = 9;
self.gameRoomCollectionView = [[UICollectionViewalloc]initWithFrame:CGRectMake(0, 44+20, SCREEN_WIDTH, SCREEN_HEIGHT-44-20) collectionViewLayout:layout];
self.gameRoomCollectionView.delegate = self;
self.gameRoomCollectionView.dataSource = self;
self.gameRoomCollectionView.backgroundColor = NF_Color_C16;
[self.gameRoomCollectionViewregisterClass:[IDSGameRoomHomePageChangeCellclass] forCellWithReuseIdentifier:@"THEcellid"];
self.gameRoomCollectionView.showsVerticalScrollIndicator = NO;
self.gameRoomCollectionView.showsHorizontalScrollIndicator = NO;
MJRefreshFooter *footer = [IDSRefreshfooterWithRefreshingTarget:selfrefreshingAction:@selector(footerVoid)];
_gameRoomCollectionView.mj_footer = footer;
self.gameRoomCollectionView.mj_footer.hidden = YES;
[selfaddSubview:_gameRoomCollectionView];
[selfaddSearchBar];
[_parentController.viewaddSubview:self];
}
if (!self.searchBar) {
self.searchBarBoundsY = 20;
self.searchBar = [[UISearchBaralloc]initWithFrame:CGRectMake(0,self.searchBarBoundsY, [UIScreenmainScreen].bounds.size.width, 44)];
self.searchBar.searchBarStyle = UISearchBarStyleMinimal;
self.searchBar.tintColor = NF_Color_C27;
self.searchBar.barTintColor = NF_Color_C1;
self.searchBar.delegate = self;
self.searchBar.placeholder = @"搜索房号/房间名";
[self.searchBarsetAutocorrectionType:UITextAutocorrectionTypeNo];
[self.searchBarsetAutocapitalizationType:UITextAutocapitalizationTypeNone];
[[UITextFieldappearanceWhenContainedIn:[UISearchBarclass], nil] setTextColor:[UIColorblackColor]];
}
if (![self.searchBarisDescendantOfView:self]) {
[selfaddSubview:self.searchBar];
}
[self.searchBarsetShowsCancelButton:YESanimated:NO];
[self.searchBarbecomeFirstResponder];
if (![_queryNoticeTimerisValid]) {
[selfstartQueryTimer];
}
}
{
[self.searchBarsetShowsCancelButton:YESanimated:NO];
[self.searchBarresignFirstResponder]; //searchBar失去焦点
UIButton *cancelBtn = [self.searchBarvalueForKey:@"cancelButton"]; //首先取出cancelBtn
cancelBtn.enabled = YES; //把enabled设置为yes
}
{
[selfhiddenKeyBoard];
}
{
for (UIView *oneView inself.subviews) {
[oneView removeFromSuperview];
}
}
- (void)removeView
{
[selfremoveAllSubviews];
[selfremoveFromSuperview];
}
[selfstopQueryTimer];
if (searchText.length>0) {
self.searchBarActive = YES;
_searchWord = searchText;
[selfstartQueryTimer];
[self.gameRoomCollectionViewreloadData];
}else{
self.searchBarActive = NO;
[selfremoveEmptyView];
[self.gameRoomDataArrayremoveAllObjects];
[self.gameRoomCollectionViewreloadData];
}
}
- (void)searchBarCancelButtonClicked:(UISearchBar *)searchBar{
[selfcancelSearching];
}
- (void)searchBarSearchButtonClicked:(UISearchBar *)searchBar{
[selfhiddenKeyBoard];
}
- (void)searchBarTextDidBeginEditing:(UISearchBar *)searchBar{
[self.searchBarsetShowsCancelButton:YESanimated:YES];
}
- (void)searchBarTextDidEndEditing:(UISearchBar *)searchBar{
[selfhiddenKeyBoard];
[selfdataRequest];
}
-(void)cancelSearching{
[selfremoveView];
}
{
IDSLOG(@"IDSGameRoomSearchPage Dealloc.");
[selfreleaseSelf];
}
- (void)releaseSelf
{
self.gameRoomCollectionView.delegate = nil;
self.gameRoomCollectionView.dataSource = nil;
_gameRoomCollectionView = nil;
self.searchBar = nil;
[selfstopQueryTimer];
}
{
[selfstopQueryTimer];
if (nil == _queryNoticeTimer) {
_queryNoticeTimer = [NSTimerscheduledTimerWithTimeInterval:sIntervalTime
target:self
selector:@selector(dataRequest)
userInfo:nilrepeats:NO];
}
}
- (void)stopQueryTimer
{
if (self.queryNoticeTimer) {
[self.queryNoticeTimerinvalidate];
_queryNoticeTimer = nil;
}
}
{
if (!label.text.length) {
return;
}
NSMutableAttributedString *attributedString = [[NSMutableAttributedStringalloc] initWithString:label.text];
NSMutableParagraphStyle *paragraphStyle = [[NSMutableParagraphStylealloc] init];
[paragraphStyle setLineSpacing:spacing];
[attributedString addAttribute:NSParagraphStyleAttributeNamevalue:paragraphStyle range:NSMakeRange(0, [label.textlength])];
if (_searchWord) {
NSRange redRange = [[ [attributedString string] lowercaseString] rangeOfString:[_searchWordlowercaseString]];
if (redRange.length <= [label.textlength]) {
[attributedString setAttributes:@{NSForegroundColorAttributeName:NF_Color_C19,NSFontAttributeName:[UIFontsystemFontOfSize:Near_Final_Font_T9]}range:redRange];
}
}
[label setAttributedText:attributedString];
label.lineBreakMode = NSLineBreakByCharWrapping;
[label sizeToFit];
}
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