alaa/image_pager/image_pager.module

<?php ;
// $Id:$

/**
 * @file
 * Adds prev/next navigation links to image nodes belonging to galleries
 */


/**
 * Implementation of hook_nodeapi().
 */
function image_pager_nodeapi(&$node, $op, $teaser, $page) {

  if ($teaser) {
    return;
  }
  
  //return if node is not an image  
  if ($node->type != 'image') {
    return;
  }

  $vid = variable_get('image_gallery_nav_vocabulary', '');
    
  //return if image_gallery__nav_vocabulary is not defined
  //or vocabulary does not exist

  if ($vid) {
    $vocabulary = taxonomy_vocabulary_load($vid);
    if (empty($vocabulary)) {
      return;
    }
  } else {
    return;
  }

  switch ($op) {
    case 'view':
      foreach ($node->taxonomy as $term) {
        if ($term->vid == $vid) {
          //TODO: handle images belonging to multiple galleries smoothly
          $node->tid = $term->tid;
        }
      }
      
      if ($node->tid) {
        $node->content['forum_navigation'] = array(
          '#value' => theme('forum_topic_navigation', $node),
          '#weight' => 100,
        );
      }
      break;      
  }
  //$sort_order = variable_get('image_gallery_sort_order', IMAGE_GALLERY_SORT_CREATE_DESC);
}

1	<?php ;
2	// $Id:$
3
4	/**
5	* @file
6	* Adds prev/next navigation links to image nodes belonging to galleries
7	*/
8
9
10	/**
11	* Implementation of hook_nodeapi().
12	*/
13	function image_pager_nodeapi(&$node, $op, $teaser, $page) {
14
15	if ($teaser) {
16	return;
17	}
18
19	//return if node is not an image
20	if ($node->type != 'image') {
21	return;
22	}
23
24	$vid = variable_get('image_gallery_nav_vocabulary', '');
25
26	//return if image_gallery__nav_vocabulary is not defined
27	//or vocabulary does not exist
28
29	if ($vid) {
30	$vocabulary = taxonomy_vocabulary_load($vid);
31	if (empty($vocabulary)) {
32	return;
33	}
34	} else {
35	return;
36	}
37
38	switch ($op) {
39	case 'view':
40	foreach ($node->taxonomy as $term) {
41	if ($term->vid == $vid) {
42	//TODO: handle images belonging to multiple galleries smoothly
43	$node->tid = $term->tid;
44	}
45	}
46
47	if ($node->tid) {
48	$node->content['forum_navigation'] = array(
49	'#value' => theme('forum_topic_navigation', $node),
50	'#weight' => 100,
51	);
52	}
53	break;
54	}
55	//$sort_order = variable_get('image_gallery_sort_order', IMAGE_GALLERY_SORT_CREATE_DESC);
56	}
57