modules/diff/taxonomy.inc

<?php
// $Id: taxonomy.inc,v 1.2.2.2.2.1 2008/04/08 14:01:57 weitzman Exp $

/**
 * Implementation of hook_diff() for taxonomy.
 */
function taxonomy_diff(&$old_node, &$new_node) {
  $result = array();
  // TODO: make taxonomy by category not only by whole taxonomy?
  $old_taxonomy = array();
  $new_taxonomy = array();
  if (isset($old_node->taxonomy) && $old_node->taxonomy) {
    foreach ($old_node->taxonomy as $term) {
      $old_taxonomy[] = $term->name;
    }
  }
  if (isset($new_node->taxonomy) && $new_node->taxonomy) {
    foreach ($new_node->taxonomy as $id => $entry) {
      if (is_array($entry)) {
        // During editing the taxonomy is built up as a list of vocabulary ids as keys
        // and a list of term ids per array entry.
        if (is_numeric($id)) {
          foreach ($entry as $tid) {
            $term = taxonomy_get_term($tid);
            $new_taxonomy[] = $term->name;
          }
        }
        else {
          // If the id is not numeric than it has to be 'tags' which denotes freetagging
          // vocabularies. These are stored as an array which map the vocabulary id to
          // a string of terms.
          foreach ($entry as $taglist) {
            // The regular expression is taken from taxonomy.module.
            preg_match_all('%(?:^|,\ *)("(?>[^"]*)(?>""[^"]* )*"|(?: [^",]*))%x', $taglist, $matches);
            foreach ($matches[1] as $term) {
              $new_taxonomy[] = $term;
            }
          }
        }
      }
      else {
        // Not during editing the taxonomy list is a list of terms.
        $new_taxonomy[] = $entry->name;
      }
    }
  }
  $result['taxonomy'] = array(
    '#name' => t('Taxonomy'),
    '#old' => $old_taxonomy,
    '#new' => $new_taxonomy,
    '#weight' => -3,
    '#format' => array(
      'show_header' => FALSE,
    )
  );
  return $result;
}
1	<?php
2	// $Id: taxonomy.inc,v 1.2.2.2.2.1 2008/04/08 14:01:57 weitzman Exp $
3
4	/**
5	* Implementation of hook_diff() for taxonomy.
6	*/
7	function taxonomy_diff(&$old_node, &$new_node) {
8	$result = array();
9	// TODO: make taxonomy by category not only by whole taxonomy?
10	$old_taxonomy = array();
11	$new_taxonomy = array();
12	if (isset($old_node->taxonomy) && $old_node->taxonomy) {
13	foreach ($old_node->taxonomy as $term) {
14	$old_taxonomy[] = $term->name;
15	}
16	}
17	if (isset($new_node->taxonomy) && $new_node->taxonomy) {
18	foreach ($new_node->taxonomy as $id => $entry) {
19	if (is_array($entry)) {
20	// During editing the taxonomy is built up as a list of vocabulary ids as keys
21	// and a list of term ids per array entry.
22	if (is_numeric($id)) {
23	foreach ($entry as $tid) {
24	$term = taxonomy_get_term($tid);
25	$new_taxonomy[] = $term->name;
26	}
27	}
28	else {
29	// If the id is not numeric than it has to be 'tags' which denotes freetagging
30	// vocabularies. These are stored as an array which map the vocabulary id to
31	// a string of terms.
32	foreach ($entry as $taglist) {
33	// The regular expression is taken from taxonomy.module.
34	preg_match_all('%(?:^\|,\ )("(?>[^"])(?>""[^"]* )"\|(?: [^",]))%x', $taglist, $matches);
35	foreach ($matches[1] as $term) {
36	$new_taxonomy[] = $term;
37	}
38	}
39	}
40	}
41	else {
42	// Not during editing the taxonomy list is a list of terms.
43	$new_taxonomy[] = $entry->name;
44	}
45	}
46	}
47	$result['taxonomy'] = array(
48	'#name' => t('Taxonomy'),
49	'#old' => $old_taxonomy,
50	'#new' => $new_taxonomy,
51	'#weight' => -3,
52	'#format' => array(
53	'show_header' => FALSE,
54	)
55	);
56	return $result;
57	}