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POUITableview Delegate methods are not executing
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  1. POUITableview Delegate methods are not executing
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    copied!<p>i tried the following code for searching in epub ,Its not working the reason is 1.The table delegate methode executing at startup so the default value of search results is 0 ,so i give one dummy array with 4 elements in viewdidload method.So now tableview displaying only 4 thode elements in dummy array and when i scroll the tableview it displaying correct search results but still it showing only 4 elemets in that search results because <em>number of rows</em> methode is not execute while scrolling.</p> <p><strong>when i click search button it will call this methode in first class</strong></p> <pre><code>SearchResultsViewController *searchRes=[[SearchResultsViewController alloc]initWithNibName:@"SearchResultsViewController" bundle:nil]; NSString *searchQuery=[search text]; sharedManager=[Mymanager sharedManager]; sharedManager.searchQuery=searchQuery; // UITextField *textField = [NSString stringWithFormat:@"%@",searchQuery]; // [textField setFont:[UIFont fontWithName:@"BL-Ruthika-Bold" size:15]]; [searchRes searchString:searchQuery]; [self.navigationController pushViewController:searchRes animated:YES]; </code></pre> <p><strong>then it calls following methods in searchresult class</strong></p> <pre><code>- (NSInteger)tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section{ NSLog(@"%d",[results count]); if([results count]&gt;0) { return [results count]; } else { return [test count]; } } //executes only at the startup time ,so the value of results always become zero - (UITableViewCell *)tableView:(UITableView *)tableView1 cellForRowAtIndexPath:(NSIndexPath *)indexPath { static NSString *CellIdentifier = @"Cell"; UITableViewCell *cell = [tableView dequeueReusableCellWithIdentifier:CellIdentifier]; if (cell == nil) { cell = [[[UITableViewCell alloc] initWithStyle:UITableViewCellStyleSubtitle reuseIdentifier:CellIdentifier] autorelease]; } if([results count]&gt;0) { // cell.textLabel.adjustsFontSizeToFitWidth = YES; hit = (SearchResult*)[results objectAtIndex:[indexPath row]]; cell.textLabel.text = [NSString stringWithFormat:@"...%@...", hit.neighboringText]; cell.detailTextLabel.text = [NSString stringWithFormat:@"Chapter %d - page %d", hit.chapterIndex, hit.pageIndex+1]; cell.textLabel.font = [UIFont fontWithName:@"Trebuchet MS" size:13]; cell.textLabel.textColor = [UIColor colorWithRed:25/255.0 green:90/255.0 blue:100/255.0 alpha:1]; cell.detailTextLabel.textColor=[UIColor colorWithRed:25/255.0 green:90/255.0 blue:100/255.0 alpha:1]; cell.detailTextLabel.font= [UIFont fontWithName:@"Trebuchet MS" size:10]; return cell; } else { cell.textLabel.text=[test objectAtIndex:indexPath.row]; return cell; } } - (void)tableView:(UITableView *)tableView didSelectRowAtIndexPath:(NSIndexPath *)indexPath{ sharedManager=[Mymanager sharedManager]; hit = (SearchResult*)[results objectAtIndex:[indexPath row]]; sharedManager.searchFlag=YES; sharedManager.hitPageNumber=hit.pageIndex; sharedManager.hitChapter=hit.chapterIndex; sharedManager.hit=hit; // [fvc loadSpine:hit.chapterIndex atPageIndex:hit.pageIndex highlightSearchResult:hit]; [self.navigationController popViewControllerAnimated:YES]; } - (void) searchString:(NSString*)query{ currentQuery=sharedManager.searchQuery; [self searchString:currentQuery inChapterAtIndex:0]; [[self resultsTableView]reloadData]; } - (void) searchString:(NSString *)query inChapterAtIndex:(int)index{ currentChapterIndex = index; sharedManager=[Mymanager sharedManager]; Chapter* chapter = [sharedManager.spineArray objectAtIndex:index]; NSRange range = NSMakeRange(0, chapter.text.length); NSLog(@"%@",sharedManager.searchQuery); range = [chapter.text rangeOfString:sharedManager.searchQuery options:NSCaseInsensitiveSearch range:range locale:nil]; int hitCount=0; while (range.location != NSNotFound) { range = NSMakeRange(range.location+range.length, chapter.text.length-(range.location+range.length)); range = [chapter.text rangeOfString:sharedManager.searchQuery options:NSCaseInsensitiveSearch range:range locale:nil]; hitCount++; } if(hitCount!=0){ UIWebView* webView = [[UIWebView alloc] initWithFrame:chapter.windowSize]; [webView setDelegate:self]; NSURLRequest* urlRequest = [NSURLRequest requestWithURL:[NSURL fileURLWithPath:chapter.spinePath]]; [webView loadRequest:urlRequest]; } else { if((currentChapterIndex+1)&lt;[sharedManager.spineArray count]){ [self searchString:sharedManager.searchQuery inChapterAtIndex:(currentChapterIndex+1)]; } else { fvc.searching = NO; } } } - (void)webView:(UIWebView *)webView didFailLoadWithError:(NSError *)error{ // NSLog(@"%@", error); [webView release]; } - (void) webViewDidFinishLoad:(UIWebView*)webView{ sharedManager=[Mymanager sharedManager]; NSString *varMySheet = @"var mySheet = document.styleSheets[0];"; NSString *addCSSRule = @"function addCSSRule(selector, newRule) {" "if (mySheet.addRule) {" "mySheet.addRule(selector, newRule);" // For Internet Explorer "} else {" "ruleIndex = mySheet.cssRules.length;" "mySheet.insertRule(selector + '{' + newRule + ';}', ruleIndex);" // For Firefox, Chrome, etc. "}" "}"; NSString *insertRule1 = [NSString stringWithFormat:@"addCSSRule('html', 'padding: 0px; height: %fpx; -webkit-column-gap: 0px; -webkit-column-width: %fpx;')", webView.frame.size.height, webView.frame.size.width]; NSString *insertRule2 = [NSString stringWithFormat:@"addCSSRule('p', 'text-align: justify;')"]; NSString *setTextSizeRule = [NSString stringWithFormat:@"addCSSRule('body', '-webkit-text-size-adjust: %d%%;')",[[sharedManager.spineArray objectAtIndex:currentChapterIndex] fontPercentSize]]; [webView stringByEvaluatingJavaScriptFromString:varMySheet]; [webView stringByEvaluatingJavaScriptFromString:addCSSRule]; [webView stringByEvaluatingJavaScriptFromString:insertRule1]; [webView stringByEvaluatingJavaScriptFromString:insertRule2]; [webView stringByEvaluatingJavaScriptFromString:setTextSizeRule]; [webView highlightAllOccurencesOfString:sharedManager.searchQuery]; NSString* foundHits = [webView stringByEvaluatingJavaScriptFromString:@"results"]; NSLog(@"%@", foundHits); NSMutableArray* objects = [[NSMutableArray alloc] init]; NSArray* stringObjects = [foundHits componentsSeparatedByString:@";"]; for(int i=0; i&lt;[stringObjects count]; i++){ NSArray* strObj = [[stringObjects objectAtIndex:i] componentsSeparatedByString:@","]; if([strObj count]==3){ [objects addObject:strObj]; } } NSArray* orderedRes = [objects sortedArrayUsingComparator:^(id obj1, id obj2){ int x1 = [[obj1 objectAtIndex:0] intValue]; int x2 = [[obj2 objectAtIndex:0] intValue]; int y1 = [[obj1 objectAtIndex:1] intValue]; int y2 = [[obj2 objectAtIndex:1] intValue]; if(y1&lt;y2){ return NSOrderedAscending; } else if(y1&gt;y2){ return NSOrderedDescending; } else { if(x1&lt;x2){ return NSOrderedAscending; } else if (x1&gt;x2){ return NSOrderedDescending; } else { return NSOrderedSame; } } }]; [objects release]; for(int i=0; i&lt;[orderedRes count]; i++){ NSArray* currObj = [orderedRes objectAtIndex:i]; SearchResult* searchRes = [[SearchResult alloc] initWithChapterIndex:currentChapterIndex pageIndex:([[currObj objectAtIndex:1] intValue]/webView.bounds.size.height) hitIndex:0 neighboringText:[webView stringByEvaluatingJavaScriptFromString:[NSString stringWithFormat:@"unescape('%@')", [currObj objectAtIndex:2]]] originatingQuery:sharedManager.searchQuery]; [results addObject:searchRes]; [searchRes release]; } [[self resultsTableView]reloadData]; //Print results for(int i=0;i&lt;[results count];i++) { hit = (SearchResult*)[results objectAtIndex:i]; } [resultsTableView performSelectorOnMainThread:@selector(reloadData) withObject:nil waitUntilDone:NO]; if((currentChapterIndex+1)&lt;[sharedManager.spineArray count]){ [self searchString:sharedManager.searchQuery inChapterAtIndex:(currentChapterIndex+1)]; } else { fvc.searching= NO; } [[self resultsTableView]reloadData]; } - (id)initWithNibName:(NSString *)nibNameOrNil bundle:(NSBundle *)nibBundleOrNil { self = [super initWithNibName:nibNameOrNil bundle:nibBundleOrNil]; if (self) { // Custom initialization } return self; } - (void)didReceiveMemoryWarning { // Releases the view if it doesn't have a superview. [super didReceiveMemoryWarning]; // Release any cached data, images, etc that aren't in use. } #pragma mark - View lifecycle - (void)viewDidLoad { [super viewDidLoad]; resultsTableView=[[UITableView alloc]init]; [resultsTableView setDelegate:self]; [resultsTableView setDataSource:self]; sharedManager=[Mymanager sharedManager]; // Do any additional setup after loading the view from its nib. results = [[NSMutableArray alloc] init]; test=[[NSArray alloc]initWithObjects:@"one",@"one",@"one",@"one",nil]; self.navigationItem.title=@"Search "; UIBarButtonItem *backButton = [[UIBarButtonItem alloc] initWithTitle:@"Back" style:UIBarButtonItemStylePlain target:nil action:nil]; self.navigationItem.backBarButtonItem=backButton; [[UINavigationBar appearance] setTitleTextAttributes: @{ UITextAttributeTextColor: [UIColor whiteColor], UITextAttributeTextShadowColor: [UIColor lightGrayColor], UITextAttributeTextShadowOffset: [NSValue valueWithUIOffset:UIOffsetMake(0.0f, 1.0f)], UITextAttributeFont: [UIFont fontWithName:@"Trebuchet MS" size:15.0f] }]; [self searchString:sharedManager.searchQuery]; noMatchingSearch=[[NSArray alloc]initWithObjects:@"No Element Found", nil]; tableOfContents=[[NSMutableArray alloc]init]; for (id img in search.subviews) { if ([img isKindOfClass:NSClassFromString(@"UISearchBarBackground")]) { [img removeFromSuperview]; } } tableOfContents=[sharedManager.List copy]; } - (void)viewDidUnload { search = nil; [super viewDidUnload]; resultsTableView.delegate=self; resultsTableView.dataSource=self; // Release any retained subviews of the main view. self.resultsTableView = nil; } - (BOOL)shouldAutorotateToInterfaceOrientation:(UIInterfaceOrientation)interfaceOrientation { // Return YES for supported orientations return (interfaceOrientation == UIInterfaceOrientationPortrait); } </code></pre>
 

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