UIKit 框架之UISearchController

//

//  tableViewController.m

//  searchController

//

//  Created by City--Online on 15/6/1.

//  Copyright (c) 2015年 CYW. All rights reserved.

//



#import "tableViewController.h"



@interface tableViewController ()<UISearchResultsUpdating,UISearchControllerDelegate>

@property(nonatomic,strong) NSArray *allData;

@property(nonatomic,strong) NSMutableArray *searchData;

@end



@implementation tableViewController



- (void)viewDidLoad {

    [super viewDidLoad];

    _allData=@[@"123",@"124",@"234",@"256",@"678",@"786",@"12"];

    _searchData=[_allData mutableCopy];

    [self.tableView registerClass:[UITableViewCell class] forCellReuseIdentifier:@"cell"];

    self.navigationItem.rightBarButtonItem=[[UIBarButtonItem alloc]initWithBarButtonSystemItem:UIBarButtonSystemItemSearch target:self action:@selector(search )];

    self.tableView.tableFooterView=[[UIView alloc]initWithFrame:CGRectZero];

   

}

-(void)search

{

//    为nil时是其本身

    UISearchController *searchvc=[[UISearchController alloc]initWithSearchResultsController:nil];

    searchvc.searchBar.tintColor=[UIColor orangeColor];

    searchvc.searchBar.barTintColor=[UIColor redColor];

    searchvc.definesPresentationContext=YES;

    searchvc.hidesNavigationBarDuringPresentation=NO;

    [searchvc.searchBar sizeToFit];

    searchvc.searchResultsUpdater=self;

    searchvc.delegate=self;

    [self presentViewController:searchvc animated:YES completion:nil];

}



//搜索栏文本内容改变时触发 和下面的

- (void)updateSearchResultsForSearchController:(UISearchController *)searchController

{

    NSLog(@"aaa%@",searchController.searchBar.text);

    if (searchController.searchBar.text.length!=0) {

        NSPredicate *predicate=[NSPredicate predicateWithFormat:@"SELF CONTAINS %@",searchController.searchBar.text];

        _searchData=[[_allData filteredArrayUsingPredicate:predicate] copy];

    }

    [self.tableView reloadData];

    

}

//搜索视图将要消失时触发

-(void)willDismissSearchController:(UISearchController *)searchController

{

    

    NSLog(@"%@",searchController.searchBar.text);

    if (searchController.searchBar.text.length!=0) {

        NSPredicate *predicate=[NSPredicate predicateWithFormat:@"SELF CONTAINS %@",searchController.searchBar.text];

        _searchData=[[_allData filteredArrayUsingPredicate:predicate] copy];

    }

    else

    {

         _searchData=[_allData mutableCopy];

    }

    [self.tableView reloadData];

}



- (void)didReceiveMemoryWarning {

    [super didReceiveMemoryWarning];

    // Dispose of any resources that can be recreated.

}



#pragma mark - Table view data source



- (NSInteger)numberOfSectionsInTableView:(UITableView *)tableView {



    return 1;

}



- (NSInteger)tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section {



    return _searchData.count;

}





- (UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath {

    UITableViewCell *cell = [tableView dequeueReusableCellWithIdentifier:@"cell" forIndexPath:indexPath];

    

    cell.textLabel.text=[_searchData objectAtIndex:indexPath.row];

    

    return cell;

}

-(void)tableView:(UITableView *)tableView didSelectRowAtIndexPath:(NSIndexPath *)indexPath

{

    NSLog(@"%@",indexPath);

}







@end