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<?php |
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// $Id: $ |
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/** |
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* Helper function to taxonomy_hide_nodeapi() when its time |
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* to display the node |
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*/ |
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function _taxonomy_hide_nodeapi(&$node, $op, $arg = 0, $arg2 = 0) { |
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// This module only cares with nodes that have taxonomy terms |
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// assigned to them. |
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if (!empty($node->taxonomy)) { |
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|
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// Get all hidden vocabularies; keys of $hidden are the vocabulary ids. |
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// Apply either the node type filter or the global filter, not both |
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// First, apply filter for current node type, if it exists, else apply global filter |
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// In this way, the setting for the node type overrides the global setting |
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// If a filter for this type is not set, the global filter will be used. |
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if ($hidden = array_filter(variable_get('taxonomy_hide_vocabularies_'. $node->type, array())) or |
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$hidden = array_filter(variable_get('taxonomy_hide_vocabularies', array()))) { |
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|
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// Hide terms by removing them from the taxonomy field |
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foreach ($node->taxonomy as $key => $value) { |
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if (isset($hidden[$value->vid])) { |
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unset($node->taxonomy[$key]); |
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} |
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} |
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} |
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|
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// Sort terms by sorting the taxonomy field |
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if (!empty($node->taxonomy) and variable_get('taxonomy_hide_group_by_vocabulary', 0)) { |
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usort($node->taxonomy, "_taxonomy_hide_sort"); |
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} |
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} |
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} |
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/** |
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* Comparison function for the usort of vocabulary terms. |
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*/ |
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function _taxonomy_hide_sort($a, $b) { |
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// Cache the extra vocabulary information (we need the vocabulary weight) |
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static $vocs = array(); |
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if (!array_key_exists($a->vid, $vocs)) { |
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$vocs[$a->vid] = taxonomy_get_vocabulary($a->vid); |
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} |
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if (!array_key_exists($b->vid, $vocs)) { |
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$vocs[$b->vid] = taxonomy_get_vocabulary($b->vid); |
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} |
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|
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// Compare first by vocabulary weight, next by vocabulary id, next by term |
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// weight, next by term name, and finally by term id. This is the same order |
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// as used by taxonomy_node_get_terms, except that we group by vocabulary too. |
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if ($vocs[$a->vid]->weight < $vocs[$b->vid]->weight) { |
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return -1; |
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} |
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elseif ($vocs[$a->vid]->weight > $vocs[$b->vid]->weight) { |
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return 1; |
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} |
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elseif ($a->vid < $b->vid) { |
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return -1; |
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} |
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elseif ($a->vid > $b->vid) { |
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return 1; |
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} |
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elseif ($a->weight < $b->weight) { |
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return -1; |
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} |
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elseif ($a->weight > $b->weight) { |
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return 1; |
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} |
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elseif (strcasecmp($a->name, $b->name)) { |
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return strcasecmp($a->name, $b->name); |
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} |
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elseif ($a->tid < $b->tid) { |
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return -1; |
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} |
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elseif ($a->tid > $b->tid) { |
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return 1; |
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} |
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else { |
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return 0; |
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} |
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} |
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