#import "ViewController.h"
#import "TestCell.h"
@interface ViewController ()<UITableViewDataSource,UITableViewDelegate,UISearchBarDelegate,UISearchResultsUpdating>
{
NSMutableArray *dataArray;
NSMutableArray *searchArray;
UISearchController *mySearchController;
}
@property (weak, nonatomic) IBOutlet UITableView *myTableView;
@end
@implementation ViewController
- (void)viewDidLoad
{
[super viewDidLoad];
mySearchController=[[UISearchController alloc]initWithSearchResultsController:nil];
mySearchController.searchResultsUpdater=self;
mySearchController.dimsBackgroundDuringPresentation=NO;
mySearchController.hidesNavigationBarDuringPresentation=NO;
mySearchController.searchBar.frame=CGRectMake(mySearchController.searchBar.frame.origin.x, mySearchController.searchBar.frame.origin.y, mySearchController.searchBar.frame.size.width, 44.0 );
self.myTableView.tableHeaderView=mySearchController.searchBar;
dataArray=[NSMutableArray array];
for(NSInteger i=0;i<100;i++)
{
[dataArray addObject:[NSString stringWithFormat:@"%ld-test",(long)i]];
}
}
-(NSInteger)tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section
{
if (mySearchController.active)
{
return searchArray.count;
}
else
{
return dataArray.count;
}
}
-(CGFloat)tableView:(UITableView *)tableView heightForRowAtIndexPath:(NSIndexPath *)indexPath
{
return 44;
}
-(UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath
{
TestCell *testCell=[tableView dequeueReusableCellWithIdentifier:@"TestCell" forIndexPath:indexPath];
if (mySearchController.active) {
testCell.testLabel.text=searchArray[indexPath.row];
}
else
{
testCell.testLabel.text=dataArray[indexPath.row];
}
return testCell;
}
-(void)updateSearchResultsForSearchController:(UISearchController *)searchController
{
NSString *searchString=mySearchController.searchBar.text;
NSPredicate *predicate=[NSPredicate predicateWithFormat:@"self contains[c]%@",searchString];
if (searchArray.count)
{
[searchArray removeAllObjects];
}
searchArray=[NSMutableArray arrayWithArray:[dataArray filteredArrayUsingPredicate:predicate]];
[_myTableView reloadData];
}
@end
