Adding classes to block title

Question

I have a block which template I'm overriding with my own.

The title in it is displayed by the following code:

    <h2<?php print $title_attributes;?>><?php print $title; ?></h2>

I just want to add some custom classes to the h2, but I can't figure out how to format it. I want to keep $title_attributes but I can't seem to be able to add my own classes if I do.

I tried:

    <h2 class="a-class" <?php print $title_attributes;?>><?php print $title; ?></h2>

and:

    <h2<?php print $title_attributes .'a-class';?>><?php print $title; ?></h2>

But neither did anything. My PHP is scrappy at best so it's probably just me who don't know how to write what I want. Can anyone help me?

Answer 1

The way to do this is by overriding variables in the template. Put the following code in your themes 'template.php' file, replacing YOURTHEME, YOURBLOCK, YOURCLASS with the obvious.

/**
 * Override or insert variables into the block template
 */
function YOURTHEME_preprocess_block(&$vars) {

  // var_dump($vars);

  $block = $vars['block'];

  if ($block->delta == 'YOURBLOCK') {
    $vars['title_attributes_array']['class'][] = 'YOURCLASS';
  }

}

You can determine what the $block->delta is for example by doing a var_dump($vars) in the function. If you have the DEVEL module installed you can use dsm($vars) which gives the dump some presentation.

Answer 2

You may use the Block Class module.

Block Class allows users to add classes to any block through the block's configuration interface. By adding a very short snippet of PHP to a theme's block.tpl.php file, classes can be added to the parent element of a block. Hooray for more powerful block theming!