| 1 |
<?php
|
| 2 |
|
| 3 |
/**
|
| 4 |
* Implementation of hook_block().
|
| 5 |
*/
|
| 6 |
function related_terms_block($op = 'list', $delta = 0, $edit = array()) {
|
| 7 |
|
| 8 |
$blocks = array(
|
| 9 |
array('info' => t('Related terms'))
|
| 10 |
);
|
| 11 |
|
| 12 |
switch ($op) {
|
| 13 |
case 'list':
|
| 14 |
return $blocks;
|
| 15 |
|
| 16 |
case 'configure':
|
| 17 |
|
| 18 |
$form = array();
|
| 19 |
|
| 20 |
$number_options = drupal_map_assoc(range(0, 50));
|
| 21 |
$number_options[0] = t('Unlimited');
|
| 22 |
|
| 23 |
$sort_options = array(
|
| 24 |
'name' => t('By name'),
|
| 25 |
'freq' => t('By frequency'),
|
| 26 |
'shuffle' => t('Random order')
|
| 27 |
);
|
| 28 |
$vocabularies = taxonomy_get_vocabularies();
|
| 29 |
foreach($vocabularies as $vocabulary) {
|
| 30 |
$vocabularies_options[$vocabulary->vid] = $vocabulary->name;
|
| 31 |
}
|
| 32 |
|
| 33 |
$form['number_of_terms'] = array(
|
| 34 |
'#type' => 'select',
|
| 35 |
'#title' => t('Number of terms'),
|
| 36 |
'#multiple' => FALSE,
|
| 37 |
'#description' => t('Maximum number of related terms that will show.'),
|
| 38 |
'#options' => $number_options,
|
| 39 |
'#default_value' => variable_get('related_terms_number_of_terms', 0),
|
| 40 |
);
|
| 41 |
|
| 42 |
$form['vocabularies'] = array(
|
| 43 |
'#type' => 'select',
|
| 44 |
'#title' => t('Vocabularies'),
|
| 45 |
'#multiple' => TRUE,
|
| 46 |
'#description' => t('Restrict related terms to terms of these vocabularies.'),
|
| 47 |
'#options' => $vocabularies_options,
|
| 48 |
'#default_value' => variable_get('related_terms_vocabularies', array()),
|
| 49 |
);
|
| 50 |
|
| 51 |
$form['sort'] = array(
|
| 52 |
'#type' => 'select',
|
| 53 |
'#title' => t('Sort terms'),
|
| 54 |
'#multiple' => FALSE,
|
| 55 |
'#description' => t('Select what order the related terms need to appear.'),
|
| 56 |
'#options' => $sort_options,
|
| 57 |
'#default_value' => variable_get('related_terms_sort', 'name'),
|
| 58 |
);
|
| 59 |
return $form;
|
| 60 |
|
| 61 |
case 'save':
|
| 62 |
|
| 63 |
variable_set('related_terms_number_of_terms', $edit['number_of_terms']);
|
| 64 |
variable_set('related_terms_vocabularies', $edit['vocabularies']);
|
| 65 |
variable_set('related_terms_sort', $edit['sort']);
|
| 66 |
|
| 67 |
break;
|
| 68 |
|
| 69 |
case 'view':
|
| 70 |
|
| 71 |
$block = array();
|
| 72 |
$block['subject'] = $blocks[$delta]['info'];
|
| 73 |
|
| 74 |
if(arg(0) == 'taxonomy' && arg(1) == 'term' && is_numeric(arg(2))) {
|
| 75 |
$related_terms = related_terms_get_related_terms(arg(2), variable_get('related_terms_number_of_terms', 0), variable_get('related_terms_sort', 'name'), variable_get('related_terms_vocabularies', array()));
|
| 76 |
}
|
| 77 |
|
| 78 |
if(count($related_terms) > 0) {
|
| 79 |
$block['content'] = theme('related_terms_block', $related_terms);
|
| 80 |
}
|
| 81 |
|
| 82 |
if (!isset($block['content'])) return;
|
| 83 |
|
| 84 |
return $block;
|
| 85 |
|
| 86 |
default:
|
| 87 |
break;
|
| 88 |
}
|
| 89 |
}
|
| 90 |
|
| 91 |
function theme_related_terms_block($terms) {
|
| 92 |
$output = '';
|
| 93 |
foreach($terms as $term) {
|
| 94 |
$output .= sprintf(
|
| 95 |
'<a style="font-size: %sem;" href="%s">%s</a> ',
|
| 96 |
strval(number_format(0.9 + $term['cnt'] * 0.1, 2, '.', '')),
|
| 97 |
url('taxonomy/term/'.$term['tid']),
|
| 98 |
$term['name']
|
| 99 |
);
|
| 100 |
}
|
| 101 |
|
| 102 |
return $output;
|
| 103 |
}
|
| 104 |
|
| 105 |
|
| 106 |
// $sort can be name, shuffle, frequence
|
| 107 |
function related_terms_get_related_terms($tid, $limit = 0, $sort = 'name', $vids = array()) {
|
| 108 |
|
| 109 |
$restrict_vids = '';
|
| 110 |
if(count($vids) > 0) {
|
| 111 |
$restrict_vids = ' AND td2.vid IN (' . implode(',',$vids) . ') ';
|
| 112 |
}
|
| 113 |
|
| 114 |
$sql = "SELECT tn2.tid, td2.name, COUNT(tn.nid) AS cnt FROM term_node tn INNER JOIN term_node tn2 ON tn2.nid = tn.nid INNER JOIN term_data td ON td.tid = tn.tid INNER JOIN term_data td2 ON td2.tid = tn2.tid WHERE (tn.tid = %d) AND tn2.tid <> %d ".$restrict_vids." GROUP BY tn.tid, tn2.tid ORDER BY cnt";
|
| 115 |
|
| 116 |
if($limit <= 0) {
|
| 117 |
$result = db_query($sql, $tid, $tid);
|
| 118 |
} else {
|
| 119 |
$result = db_query_range($sql, $tid, $tid, 0, $limit);
|
| 120 |
}
|
| 121 |
|
| 122 |
$terms = array();
|
| 123 |
|
| 124 |
$order = 0;
|
| 125 |
$order_cnt = 0;
|
| 126 |
|
| 127 |
$key = 0;
|
| 128 |
|
| 129 |
while($row = db_fetch_object($result)) {
|
| 130 |
if($order == 0) {
|
| 131 |
$order = 1;
|
| 132 |
$order_cnt = $order->cnt;
|
| 133 |
} else if($row->cnt != $order_cnt) {
|
| 134 |
$order++;
|
| 135 |
$order_cnt = $roder->cnt;
|
| 136 |
}
|
| 137 |
|
| 138 |
$order = $row->cnt;
|
| 139 |
|
| 140 |
if($sort == 'name') {
|
| 141 |
$key = $row->name;
|
| 142 |
}
|
| 143 |
|
| 144 |
$terms[$key] = array(
|
| 145 |
'tid' => $row->tid,
|
| 146 |
'name' => $row->name,
|
| 147 |
'cnt' => $order
|
| 148 |
);
|
| 149 |
|
| 150 |
if($sort == 'freq' || $sort == 'shuffle') {
|
| 151 |
$key++;
|
| 152 |
}
|
| 153 |
|
| 154 |
}
|
| 155 |
|
| 156 |
if($sort == 'name') {
|
| 157 |
ksort($terms);
|
| 158 |
}
|
| 159 |
|
| 160 |
if($sort == 'shuffle') {
|
| 161 |
srand((float)microtime() * 1000000);
|
| 162 |
shuffle($terms);
|
| 163 |
}
|
| 164 |
|
| 165 |
return $terms;
|
| 166 |
|
| 167 |
}
|
Parent Directory
| 
Revision Log
| 
Revision Graph