UISearchBar-搜尋列整理

無搜尋結果顯示

代理:<UISearchBarDelegate>

@protocol UISearchBarDelegate <NSObject> @optional - (BOOL)searchBarShouldBeginEditing:(UISearchBar *)searchBar;                      // return NO to not become first responder - (void)searchBarTextDidBeginEditing:(UISearchBar *)searchBar;                     // called when text starts editing - (BOOL)searchBarShouldEndEditing:(UISearchBar *)searchBar;                        // return NO to not resign first responder - (void)searchBarTextDidEndEditing:(UISearchBar *)searchBar;                       // called when text ends editing - (void)searchBar:(UISearchBar *)searchBar textDidChange:(NSString *)searchText;   // called when text changes (including clear) - (BOOL)searchBar:(UISearchBar *)searchBar shouldChangeTextInRange:(NSRange)range replacementText:(NSString *)text NS_AVAILABLE_IOS(3_0); // called before text changes - (void)searchBarSearchButtonClicked:(UISearchBar *)searchBar;                     // called when keyboard search button pressed - (void)searchBarBookmarkButtonClicked:(UISearchBar *)searchBar;                   // called when bookmark button pressed - (void)searchBarCancelButtonClicked:(UISearchBar *) searchBar;                    // called when cancel button pressed - (void)searchBarResultsListButtonClicked:(UISearchBar *)searchBar NS_AVAILABLE_IOS(3_2); // called when search results button pressed - (void)searchBar:(UISearchBar *)searchBar selectedScopeButtonIndexDidChange:(NSInteger)selectedScope NS_AVAILABLE_IOS(3_0); @end

帶有搜尋結果顯示

 

代理:<UITableViewDataSource, UITableViewDelegate,UISearchBarDelegate,UISearchDisplayDelegate>

@protocol UISearchDisplayDelegate <NSObject> @optional // when we start/end showing the search UI - (void) searchDisplayControllerWillBeginSearch:(UISearchDisplayController *)controller; - (void) searchDisplayControllerDidBeginSearch:(UISearchDisplayController *)controller; - (void) searchDisplayControllerWillEndSearch:(UISearchDisplayController *)controller; - (void) searchDisplayControllerDidEndSearch:(UISearchDisplayController *)controller; // called when the table is created destroyed, shown or hidden. configure as necessary. - (void)searchDisplayController:(UISearchDisplayController *)controller didLoadSearchResultsTableView:(UITableView *)tableView; - (void)searchDisplayController:(UISearchDisplayController *)controller willUnloadSearchResultsTableView:(UITableView *)tableView; // called when table is shown/hidden - (void)searchDisplayController:(UISearchDisplayController *)controller willShowSearchResultsTableView:(UITableView *)tableView; - (void)searchDisplayController:(UISearchDisplayController *)controller didShowSearchResultsTableView:(UITableView *)tableView; - (void)searchDisplayController:(UISearchDisplayController *)controller willHideSearchResultsTableView:(UITableView *)tableView; - (void)searchDisplayController:(UISearchDisplayController *)controller didHideSearchResultsTableView:(UITableView *)tableView; // return YES to reload table. called when search string/option changes. convenience methods on top UISearchBar delegate methods - (BOOL)searchDisplayController:(UISearchDisplayController *)controller shouldReloadTableForSearchString:(NSString *)searchString; - (BOOL)searchDisplayController:(UISearchDisplayController *)controller shouldReloadTableForSearchScope:(NSInteger)searchOption; @end

 

#以下範例為使用UISearchDisplayDelegate代理的方法

搜尋元件初始化:

無scope的設定方式

searchData = [[NSMutableArray alloc] init];     searchBar = [[UISearchBar alloc] initWithFrame:CGRectMake(0, 0, 320, 44)];     searchBar.tintColor=bgColor;     jobList.backgroundColor=bgColor;     //searchBar.tintColor=[UIColor1 greenColor];     // Do any additional setup after loading the view.     /*the search bar widht must be > 1, the height must be at least 44      (the real size of the search bar)*/     searchDisplayController = [[UISearchDisplayController alloc] initWithSearchBar:searchBar contentsController:self];     /*contents controller is the UITableViewController, this let you to reuse      the same TableViewController Delegate method used for the main table.*/     searchDisplayController.delegate = self;     searchDisplayController.searchResultsDataSource = self;     searchDisplayController.searchResultsDelegate=self;     //set the delegate = self. Previously declared in ViewController.h     self.jobList.tableHeaderView = searchBar; //this line add the searchBar

引用代理方法:

//-----------------------------------搜尋---------------------------------------- -(void)searchDisplayController:(UISearchDisplayController *)controller didLoadSearchResultsTableView:(UITableView *)tableView {     //載入搜尋的table,設定cell背景色     tableView.backgroundColor=[UIColor colorWithRed:(222.0f/255.0f) green:(255.0f/255.0f) blue:(200.0f/255.0f) alpha:1]; } - (BOOL)searchDisplayController:(UISearchDisplayController *)controller shouldReloadTableForSearchString:(NSString *)searchString {     [searchData removeAllObjects];     jobBas *jobbas;     for(jobbas in tablearr) //take the n group (eg. group1, group2, group3)         //in the original data     {         NSLog(@"%@:%@",jobbas.jobReason,searchString);         NSRange range = [jobbas.jobReason rangeOfString:searchString options:NSCaseInsensitiveSearch];         if (range.length > 0) { //if the substring match             [searchData addObject:jobbas]; //add the element to group         }     }     return YES; }

 

 

有scope的設定方式

searchData = [[NSMutableArray alloc] init];     searchBar = [[UISearchBar alloc] initWithFrame:CGRectMake(0, 0, 320, 44)];     searchBar.scopeButtonTitles=[NSArray arrayWithObjects:@"全部",@"加點",@"扣點", nil];     searchBar.tintColor=jobList.backgroundColor;     //searchBar.tintColor=[UIColor greenColor];     // Do any additional setup after loading the view.     /*the search bar widht must be > 1, the height must be at least 44      (the real size of the search bar)*/     searchDisplayController = [[UISearchDisplayController alloc] initWithSearchBar:searchBar contentsController:self];     /*contents controller is the UITableViewController, this let you to reuse      the same TableViewController Delegate method used for the main table.*/     searchDisplayController.delegate = self;     searchDisplayController.searchResultsDataSource = self;     searchDisplayController.searchResultsDelegate=self;     //set the delegate = self. Previously declared in ViewController.h     for (id subview in searchDisplayController.searchBar.subviews )     {         if([subview isMemberOfClass:[UISegmentedControl class]])         {             UISegmentedControl *scopeBar=(UISegmentedControl *) subview;             [scopeBar setSegmentedControlStyle:UISegmentedControlStyleBordered];             [scopeBar setTintColor: [UIColor greenColor]];//you can also set RGB color here             //scopeBar.tintColor =  [UIColor blackColor];         }     }     self.jobList.tableHeaderView = searchBar; //this line add the searchBar

引用代理方法:

//-----------------------------------搜尋---------------------------------------- -(void)searchDisplayController:(UISearchDisplayController *)controller didLoadSearchResultsTableView:(UITableView *)tableView {     //載入搜尋的table,設定cell背景色     tableView.backgroundColor=[UIColor colorWithRed:(222.0f/255.0f) green:(255.0f/255.0f) blue:(200.0f/255.0f) alpha:1]; } // - (void)filterContentForSearchText:(NSString*)searchText scope:(NSString*)scope {     /*      Update the filtered array based on the search text and scope.      */     [searchData removeAllObjects]; // First clear the filtered array.     /*      Search the main list for products whose type matches the scope (if selected) and whose name matches searchText; add items that match to the filtered array.      */     for (jobBas *jobbas in tablearr)     {         NSString *wscope;         if (jobbas.is_GoodJob) {             wscope=@"加點";         }else wscope=@"扣點";         if ([scope isEqualToString:@"全部"] || [wscope isEqualToString:scope])         {             NSComparisonResult result = [jobbas.jobReason compare:searchText options:(NSCaseInsensitiveSearch|NSDiacriticInsensitiveSearch) range:NSMakeRange(0, [searchText length])];             if (result == NSOrderedSame)             {                 [searchData addObject:jobbas];             }         }     } } - (BOOL)searchDisplayController:(UISearchDisplayController *)controller shouldReloadTableForSearchString:(NSString *)searchString {     [self filterContentForSearchText:searchString scope:      [[self.searchDisplayController.searchBar scopeButtonTitles] objectAtIndex:[self.searchDisplayController.searchBar selectedScopeButtonIndex]]];     // Return YES to cause the search result table view to be reloaded.     return YES; } - (BOOL)searchDisplayController:(UISearchDisplayController *)controller shouldReloadTableForSearchScope:(NSInteger)searchOption {     [self filterContentForSearchText:[self.searchDisplayController.searchBar text] scope:      [[self.searchDisplayController.searchBar scopeButtonTitles] objectAtIndex:searchOption]];     // Return YES to cause the search result table view to be reloaded.     return YES; }