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POcell height and line break
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  1. POcell height and line break
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    copied!<p>I am Updating a iOS5 project to storybaord and compatible to run with iOS6 / iOS7. my table view have 4 sections and each section have data of different length which may or may not be displayed as a single line.</p> <p>the old code is some thing like this and I get a warning for the statement </p> <pre><code>CGSize size = [productToShow.pDesc sizeWithFont:self.lblHidden.font constrainedToSize:self.lblHidden.frame.size lineBreakMode:NSLineBreakByWordWrapping]; </code></pre> <p><strong>warning</strong> <code>sizeWithFont:constrainedToSize:lineBreakMode:is first deprecated in iOS7</code></p> <p><strong>so I have tried using</strong><code>boundingRectWithSize:options:attributes:context:</code> as suggested by the compiler.</p> <p>but the code seems to be more complicated: apple wouldn't be making simpler things difficult. if some one can see my codes and suggest the best method or a better and simple method it would be of grate help to me and the community.</p> <p><strong>iOS5 code with XIBs</strong></p> <pre><code>- (CGFloat)tableView:(UITableView *)tableView heightForRowAtIndexPath:(NSIndexPath *)indexPath { if (indexPath.section == 0) { NSString *tempPointStr = [self.shortDescArray objectAtIndex:indexPath.row]; self.lblHidden.frame = CGRectMake(58, 0, 945, 9999); self.lblHidden.text = tempPointStr; CGSize size = [tempPointStr sizeWithFont:self.lblHidden.font constrainedToSize:self.lblHidden.frame.size lineBreakMode:NSLineBreakByWordWrapping]; if (size.height &lt; 50.0f) { return 50.0f; } else { return size.height; } } elseif(indexPath.section == 1) { ... } else { ... } } -(UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath { if (indexPath.section == 0) { static NSString *tempPoint = @"ProductPointsCell"; ProductPointsCell *cell = (ProductPointsCell*)[tableView dequeueReusableCellWithIdentifier:tempPoint]; if (cell == nil) { NSArray* nib = [[NSBundle mainBundle] loadNibNamed:@"ProductPointsCell_iPad" owner:self options:nil]; cell = [nib objectAtIndex:0]; cell.showsReorderControl = NO; cell.selectionStyle = UITableViewCellSelectionStyleNone; cell.backgroundColor=[UIColor clearColor]; cell.lblPoint.font = [UIFont fontWithName:@"Arial-BoldMT" size:18.0f]; } NSString *tempPointStr = [self.shortDescArray objectAtIndex:indexPath.row]; cell.lblPoint.text = tempPointStr; self.lblHidden.frame = CGRectMake(58, 0, 945, 9999); self.lblHidden.text = tempPointStr; CGSize size = [tempPointStr sizeWithFont:self.lblHidden.font constrainedToSize:self.lblHidden.frame.size lineBreakMode:NSLineBreakByWordWrapping]; if (size.height &lt; 50.0f) { cell.lblPoint.frame = CGRectMake(58, 0, 945, 50.0f); } else { cell.lblPoint.frame = CGRectMake(58, 0, 945, size.height); } return cell; } elseif(indexPath.section == 1) { ... } else { ... } } </code></pre> <p>where as the same code in :</p> <p><strong>iOS6/7 codes with storybaord</strong></p> <pre><code>- (CGFloat)tableView:(UITableView *)tableView heightForRowAtIndexPath:(NSIndexPath *)indexPath { if (indexPath.section == 0) { NSString *tempPointStr = (self.shortDescArray)[indexPath.row]; self.lblHidden.frame = CGRectMake(58, 0, 945, 9999); self.lblHidden.text = tempPointStr; CGSize constraint = CGSizeMake(945, 9999.0f); NSDictionary * attributes = [NSDictionary dictionaryWithObject:[UIFont systemFontOfSize:14.0f] forKey:NSFontAttributeName]; NSAttributedString *attributedText = [[NSAttributedString alloc]initWithString:self.lblHidden.text attributes:attributes]; CGRect rect = [attributedText boundingRectWithSize:constraint options:NSStringDrawingUsesLineFragmentOrigin context:nil]; CGSize size = rect.size; if (size.height &lt; 50.0f) { return 50.0f; } else { return size.height; } } elseif(indexPath.section == 1) { ... } else { ... } } -(UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath { if (indexPath.section == 0) { static NSString *tempPoint = @"ProductPointsCell"; ProductPointsCell *cell = (ProductPointsCell*)[tableView dequeueReusableCellWithIdentifier:tempPoint]; cell.showsReorderControl = NO; cell.selectionStyle = UITableViewCellSelectionStyleNone; cell.backgroundColor=[UIColor clearColor]; cell.pointLbl.font = [UIFont fontWithName:@"Arial-BoldMT" size:18.0f]; [cell.pointLbl setLineBreakMode:NSLineBreakByWordWrapping]; [cell.pointLbl setNumberOfLines:0]; NSString *tempPointStr = (self.shortDescArray)[indexPath.row]; cell.pointLbl.text = tempPointStr; CGSize constraint = CGSizeMake(945,9999.0f); NSAttributedString *attributedText = [[NSAttributedString alloc]initWithString:cell.pointLbl.text attributes:@{NSFontAttributeName: [UIFont systemFontOfSize:17.0f]}]; CGRect rect = [attributedText boundingRectWithSize:constraint options:NSStringDrawingUsesLineFragmentOrigin context:nil]; CGSize size = rect.size; if (size.height &lt; 50.0f) { cell.pointLbl.frame = CGRectMake(58, 0, 945, 50.0f); } else { cell.pointLbl.frame = CGRectMake(58, 0, 945, size.height); } return cell; } elseif(indexPath.section == 1) { ... } else { ... } } </code></pre> <p>The purpose of these codes are to make the data displayed in a single line when it fits within a single line and when it doesn't the cell height is adjusted and the data is displayed as a multiline cell.</p> <p>Also correct me if I should keep the autolayout on or off and should I set any parameters in the storyboard while converting.</p> <p>if some one can suggest a better/faster and easier way please do so with examples.</p>
 

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