Alternate row color ?

Peuplarchie · 11-17-2008, 06:54 AM

Good day to you all,
Here I come again with a piece of code which reach a txt file and return the text, it also convert the "\n" into "<br>".

Here it is :

PHP Code:


			
function drawList($list)
{     
      $thelist = '';         
      foreach($list as $file=>$string)
      {

        $lines = nl2br($string);
              $thelist .= '<b class="b1h"></b><b class="b2h"></b><b class="b3h"></b><b class="b4h"></b>';
              $thelist .= '<div class="headh">';
              $thelist .= '<b>'.$file.'</b>';
              $thelist .= '</div>';              
              $thelist .= '<div class="contenth"><div class="text">';
              $thelist .= $lines.'<br/>';
              $thelist .= '</div>';
              $thelist .= '</div>';
              $thelist .= '<b class="b4bh"></b><b class="b3bh"></b><b class="b2bh"></b><b class="b1h"></b><br/>';
    }
    return $thelist;
        
}

How can I make $lines have alternate row color ?

Thanks !

Measter · 11-17-2008, 11:36 AM

You would flip a variable every time the loop is run. For example:

PHP Code:


			
$flipper = false;



foreach($array as $something)

  {

    $flipper = !$flipper;

    

    $echo '<div class="someclass' . (int)$flipper . '">some text</div>';

  }

Basicly, if $fipper is false, you'll end up with the class being 'someclass0', and if $flipper is true, you'll end up with 'someclass1'. The joys of typecasting.

enzochi@gmail.com · 11-17-2008, 01:29 PM

could just do a mod oppr:

PHP Code:


			
for($i=0;mysql_num_rows($rsSomthing)>$i;$i++){
   $color = "#ededed";
   if($i%2){
      $color = "#ccc";
   }
   $i++;
   echo "<div style='background:".$color."'>something here</div>\n";
}

should do the trick.

Peuplarchie · 11-17-2008, 04:03 PM

There we are !

PHP Code:


			
 function drawList($list) {            $thelist = '';                foreach($list as $file=>$string)       {          $lines = nl2br($string);               $thelist .= '';               $thelist .= '';               $thelist .= ''.$file.'';               $thelist .= '';                             $thelist .= '';  $lines=explode("\n",$lines); $count=0; $color[0] = "#cccccc"; $color[1] = "#ffffff"; foreach($lines as $key=>$line) {  $lines[$key]="{$line}"; $count=(++$count & 1); } $lines=implode('
',$lines);               $thelist .= $lines.'
';               $thelist .= '';               $thelist .= '';               $thelist .= '
';     }     return $thelist;         }

Matt · 11-23-2008, 10:59 PM

i found an easy way to do this.

Code:

$cell_color = ($i % 2 == 0 ? "class1" : "class2"); $i++;

Wildhoney · 11-24-2008, 12:22 AM

That's definitely the best way, Matt, and the way I always use to do this.

Wildhoney · 11-24-2008, 01:04 AM

I had a stab at a different approach for doing this without the ternary operator. See what you think to this, as it has support for many colours also.

Code:

<table>
<?php declare (ticks = 1): ?>
	<?php foreach ($aData as $iNumber): ?>
	
		<tr style="background-color: <?php echo $pRowColours->get(); ?>">
			<td>Row <?php echo $iNumber; ?></td>
		</tr>
		
	<?php endforeach; ?>
<?php enddeclare; ?>
</table>

Edit: Just a side note though, you don't have to use ticks for this. It could work without it.