分组表+本地搜索 UISearchDisplayController UISearchBar 的使用
效果图
@interface CityListViewController :UIViewController<UITableViewDataSource,UITableViewDelegate,UISearchBarDelegate>
@property (nonatomic, retain) UITableView*mTableView;
@property (nonatomic, retain) NSArray*dataList;
@property (nonatomic, retain) NSArray*searchData;
@property (nonatomic, retain)NSMutableArray *allCitys;
@property (nonatomic, retain) UISearchBar*mSearchBar;
@property (nonatomic, retain)UISearchDisplayController *searchController;
@end
#import"CityListViewController.h"
#import "AppDelegate.h"
- (void)viewDidLoad
{
//初始化分组表
self.mTableView = [[UITableView alloc] initWithFrame:CGRectMake(0, 88,320, 480) style:UITableViewStyleGrouped];
self.mTableView.delegate = self;
self.mTableView.dataSource = self;
[self.mTableViewsetContentSize:CGSizeMake(320, 3000)];
//初始化搜索条
self.mSearchBar = [[UISearchBar alloc]initWithFrame:CGRectMake(0, 44, 320, 44)];
[self.mSearchBarsetBackgroundImage:[UIImage imageNamed:@"nav_bg.png"]];
[self.mSearchBar setPlaceholder:@"搜索城市"];
self.mSearchBar.delegate = self;
[self.mSearchBar sizeToFit];
//初始化UISearchDisplayController
self.searchController =[[UISearchDisplayController alloc] initWithSearchBar:self.mSearchBarcontentsController:self];
self.searchController.searchResultsDelegate= self;
self.searchController.searchResultsDataSource = self;
self.searchController.delegate = self;
//解析数据源文件
NSString *path = [[NSBundle mainBundle]pathForResource:@"Provineces" ofType:@"plist"];
self.dataList = [NSMutableArrayarrayWithContentsOfFile:path];
//确定每个分组的行数
-(NSInteger)tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section
{
if([tableViewisEqual:self.searchController.searchResultsTableView]){
NSLog(@"searchData count is%d",[self.searchData count]);
return [self.searchData count];
}
else{
NSDictionary *dic = [self.dataListobjectAtIndex:section];
NSArray *cityCount = [dicobjectForKey:@"Citys"];
int count = (int)[cityCount count];
for(int i = 0;i<count-1;i++){
NSDictionary *d = [cityCountobjectAtIndex:i];
NSString *Name = [dobjectForKey:@"C_Name"];
[self.allCitys addObject:Name];
}
return [cityCount count];
}
}
//分组的个数
-(NSInteger)numberOfSectionsInTableView:(UITableView *)tableView
{
if([tableViewisEqual:self.searchController.searchResultsTableView])
return 1;
else
return [self.dataList count];
}
//每个分组的Header
- (NSString *)tableView:(UITableView *)tableView titleForHeaderInSection:(NSInteger)section
{
NSString *HeaderName;
if([tableViewisEqual:self.searchController.searchResultsTableView]){
HeaderName = @"搜索结果";
}else{
NSDictionary *dict = [self.dataListobjectAtIndex:section];
HeaderName = [dictobjectForKey:@"p_Name"];
return HeaderName;
}
return HeaderName;
}
#pragma mark - UISearchDisplayControllerdelegate methods
-(void)filterContentForSearchText:(NSString*)searchText scope:(NSString*)scope {
NSMutableArray *searchResult =[[NSMutableArray alloc] initWithCapacity:0];
int j =(int) [self.allCitys count];
for (int i = 0; i<j-1; i++) {
NSString *str = [self.allCitysobjectAtIndex:i];
if([strrangeOfString:searchText].location != NSNotFound )
{
[searchResult addObject:str];
}
}
self.searchData = [NSArrayarrayWithArray:searchResult];
[searchResult release];
}
-(BOOL)searchDisplayController:(UISearchDisplayController*)controller shouldReloadTableForSearchString:(NSString *)searchString {
[selffilterContentForSearchText:searchString
scope:[[self.searchDisplayController.searchBar scopeButtonTitles] objectAtIndex:[self.searchDisplayController.searchBar selectedScopeButtonIndex]]];
return YES;
}
-(BOOL)searchDisplayController:(UISearchDisplayController *)controller shouldReloadTableForSearchScope:(NSInteger)searchOption {
[selffilterContentForSearchText:[self.searchDisplayController.searchBar text] scope:[[self.searchDisplayController.searchBar scopeButtonTitles] objectAtIndex:searchOption]];
return YES;
}
//tableView cell刷新数据
-(UITableViewCell *) tableView:(UITableView *)tableViewcellForRowAtIndexPath:(NSIndexPath *)indexPath
{
static NSString *cellName =@"cellName";
UITableViewCell *cell = [tableViewdequeueReusableCellWithIdentifier:cellName];
if(cell == nil)
{
cell = [[UITableViewCell alloc]initWithStyle:UITableViewCellStyleDefault reuseIdentifier:cellName];
}
if([tableViewisEqual:self.searchController.searchResultsTableView]){
cell.textLabel.text = [self.searchDataobjectAtIndex:indexPath.row];
}else{
NSDictionary *dict = [self.dataListobjectAtIndex:[indexPath section]];
NSArray *shengfen = [dictobjectForKey:@"Citys"];
NSDictionary *citys = [shengfenobjectAtIndex:indexPath.row];
NSString *Name = [citysobjectForKey:@"C_Name"];
cell.textLabel.text = Name;
//[self.allCitys addObject:Name];
}
return cell;
}
- (void)tableView:(UITableView *)tableView didSelectRowAtIndexPath:(NSIndexPath*)indexPath
{
if([tableViewisEqual:self.searchController.searchResultsTableView]){
self.cityName = [self.searchDataobjectAtIndex:indexPath.row];
((AppDelegate *)[[UIApplicationsharedApplication]delegate]).APPDelegateCityName = self.cityName;
}else{
self.cityName = [[[[self.dataListobjectAtIndex:indexPath.section] objectForKey:@"Citys"]objectAtIndex:indexPath.row] objectForKey:@"C_Name"];
((AppDelegate *)[[UIApplicationsharedApplication]delegate]).APPDelegateCityName = self.cityName;
}
[self.navigationControllerpopToRootViewControllerAnimated:YES];
}