Index queries in iOS

////YCViewController.h//Group Query One////Created by Amin on 14-5-19.//Copyright (c) 2014 Amin. All rights reserved.//#import<UIKit/UIKit.h>@interface Ycviewcontroller:uiviewcontroller<UITableViewDataSource,UITableViewDelegate,UISearchBarDelegate>{nsmutabledictionary*Allteams; Nsmutabledictionary*teams; Nsarray*Teamsname; } @property (Nonatomic,retain) nsmutabledictionary*Allteams, @property (nonatomic,retain) nsmutabledictionary*teams, @property (Nonatomic,retain) Nsarray*Teamsname;-(void) Resetsearch; @end

////YCVIEWCONTROLLER.M//Group Query One////Created by Amin on 14-5-19.//Copyright (c) 2014 Amin. All rights reserved.//#import"YCViewController.h"@interface Ycviewcontroller () @end @implementation ycviewcontroller@synthesize allteams,teams,teamsname;#pragma-mark-------------The method used to process the Searchbar delegate to load the display----------------of all grouped data (void) resetsearch{Self.teams=Self.allteams; Nsmutablearray*allkeys=[[Nsmutablearray alloc]init];    [AllKeys addobjectsfromarray:[[teams allkeys]sortedarrayusingselector: @selector (compare:)]]; Self.teamsname=AllKeys; [AllKeys release];}#pragmaThe-mark-------------is used to load the resource file during the initialization of the View----------------(void) viewdidload{[Super Viewdidload]; NSBundle*bundle=[NSBundle Mainbundle]; NSData*data=[ [NSData alloc]initwithcontentsoffile: [Bundle Pathforresource:@"2"OfType:@"jpg"]];//find a resource for NSBundleUIImage *img=[uiimage Imagewithdata:data];//created an Image object that is available[Self.view Setbackgroundcolor:[uicolor colorwithpatternimage:img];//Uicolor Colorwithpatternimage: Method is to convert a picture to a color type to change the background to a given pictureNSString *plistpath = [Bundle Pathforresource:@"Football team Dictionary"OfType:@"plist"]; Nsmutabledictionary*dic=[[Nsmutabledictionary Alloc]initwithcontentsoffile:plistpath]; Self.allteams=dic; Self.teamsname=[dic allkeys]sortedarrayusingselector: @selector (compare:)];    [DIC release];    [Self resetsearch]; }#pragmaThe implementation of-mark-------------for Uitableviewdatasource method---------------#pragma-mark shows several lines under each segment-(Nsinteger) TableView: (UITableView *) TableView numberofrowsinsection: (nsinteger) section{nsstring*name =[Teamsname objectatindex:section]; Nsarray*sectionofdatas=[[Teams Objectforkey:name]sortedarrayusingselector: @selector (compare:)]; return[Sectionofdatas Count];}//Row display.  Implementers should *always* try to reuse cells by setting each cell's reuseidentifier and querying for available reusable Cells with Dequeuereusablecellwithidentifier://Cell gets various attributes set automatically based on table (separators) and data source (accessory views, editing Controls)#pragma-mark Displays the display of a row of a column under an index-(UITableViewCell *) TableView: (UITableView *) TableView Cellforrowatindexpath: (Nsindexpath *) indexpath{nsuinteger section=[Indexpath section]; Nsuinteger Row=[Indexpath Row]; NSString*name =[Teamsname objectatindex:section]; Nsarray*sectionofdatas=[[Teams Objectforkey:name]sortedarrayusingselector: @selector (compare:)]; StaticNSString *cellidentify=@"cellidentify"; UITableViewCell*cell =[TableView dequeuereusablecellwithidentifier:cellidentify]; if(cell==Nil) {Cell=[[[ UITableViewCell alloc] Initwithstyle:uitableviewcellstyledefault Reuseidentifier:cellidentify]autorelease]    ; } Cell.textLabel.text=[Sectionofdatas Objectatindex:row]; returncell;}#pragma-mark shows the number of total points-(Nsinteger) Numberofsectionsintableview: (UITableView *) TableView//Default is 1 if not implemented{    return[Teamsname Count];}#pragma-mark displays the name of each segment-(NSString *) TableView: (UITableView *) TableView titleforheaderinsection: (nsinteger) Section;//fixed font style. Use Custom view (UILabel) If you want something different{nsstring*name =[Teamsname objectatindex:section]; returnname;}#pragma-mark displays the flag for each segment end-(NSString *) TableView: (UITableView *) TableView titleforfooterinsection: (nsinteger) section{return @"";}//Index-(Nsarray *) Sectionindextitlesfortableview: (UITableView *) TableView//return list of sections titles to display in section index view (e.g. "ABCD ... z# "){        returnTeamsname;}#pragmaThe implementation of-mark-------------for Uitableviewdelegate method---------------#pragma-mark displays a row value for the selected index of the user action//called after the user changes the selection.- (void) TableView: (UITableView *) TableView Didselectrowatindexpath: (Nsindexpath *) indexpath{nsuinteger section=[Indexpath section]; Nsuinteger Row=[Indexpath Row]; NSString*name =[Teamsname objectatindex:section]; Nsarray*sectionofdatas=[[Teams Objectforkey:name]sortedarrayusingselector: @selector (compare:)]; NSString*message=[[nsstring Alloc]initwithformat:@"you chose the%@%@ team.", Name,[sectionofdatas Objectatindex:row]]; Uialertview*view =[[uialertview Alloc]initwithtitle:@"your favorite team."Message:messageDelegate: Self Cancelbuttontitle:@"Determine"Otherbuttontitles:nil];    [TableView Deselectrowatindexpath:indexpath Animated:yes];    [View show];    [View release]; [Message release];}#pragmaThe implementation of-mark-------------for Searchbardelegate method---------------#pragma-mark search for this group by group name-(void) Searchbar: (Uisearchbar *) Searchbar textdidchange: (NSString *) SearchText//called when text changes (including clear){        if([SearchText isequaltostring:@""]) {[Self resetsearch]; return; } nsmutabledictionary*dict=[[Nsmutabledictionary alloc]init];  for(NSString *keyinchself.teams) {Nsmutablearray*array=[Allteams Objectforkey:key]; Nsmutablearray*newteams=[[Nsmutablearray alloc]init];  for(NSString *teamnameinchArray) {            if([Teamname Rangeofstring:searchtext options:nscaseinsensitivesearch].location!=nsnotfound)            {[Newteams addobject:teamname]; }        }        if([Newteams count]>0) {[Dict setobject:newteams forkey:key];    } [Newteams release]; } self.teamsname=[[Dict allkeys]sortedarrayusingselector: @selector (compare:)]; Self.teams=dict; [Dict release];}-(void) searchbarcancelbuttonclicked: (Uisearchbar *) searchbar{[self resetsearch];}//------------------------------------------------------------------------------------------------------///- (void) didreceivememorywarning{[Super didreceivememorywarning]; }#pragma-mark-------------the release processing----------------of the memory space used to process the property (void) viewdidunload{Self.teamsname=Nil; Self.teams=Nil; Self.allteams=Nil;}- (void) dealloc{[teams release];    [Teamsname release];    [Allteams release]; [Super Dealloc];} @end