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<?php
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// $Id: taxonomy.pages.inc,v 1.42 2009/10/17 12:08:21 dries Exp $
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/**
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* @file
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* Page callbacks for the taxonomy module.
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*/
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/**
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* Menu callback; displays all nodes associated with a term.
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*
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* @param $term
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* The taxonomy term.
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* @return
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* The page content.
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*/
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function taxonomy_term_page($term) {
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// Build breadcrumb based on the hierarchy of the term.
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$current = (object) array(
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'tid' => $term->tid,
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);
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$breadcrumb = array();
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while ($parents = taxonomy_get_parents($current->tid)) {
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$current = array_shift($parents);
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$breadcrumb[] = l($current->name, 'taxonomy/term/' . $current->tid);
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}
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$breadcrumb[] = l(t('Home'), NULL);
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$breadcrumb = array_reverse($breadcrumb);
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drupal_set_breadcrumb($breadcrumb);
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drupal_add_feed(url('taxonomy/term/' . $term->tid . '/feed'), 'RSS - ' . $term->name);
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drupal_add_css(drupal_get_path('module', 'taxonomy') . '/taxonomy.css');
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field_attach_prepare_view('taxonomy_term', array($term->tid => $term), 'full');
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$build = array();
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$build += field_attach_view('taxonomy_term', $term);
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if (!empty($term->description)) {
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$build['term_description'] = array(
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'#markup' => filter_xss_admin($term->description),
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'#weight' => -1,
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'#prefix' => '<div class="taxonomy-term-description">',
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'#suffix' => '</div>',
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);
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}
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if ($nids = taxonomy_select_nodes($term->tid, TRUE, variable_get('default_nodes_main', 10))) {
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$nodes = node_load_multiple($nids);
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$build += node_build_multiple($nodes);
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$build['pager'] = array(
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'#markup' => theme('pager', array('tags' => NULL)),
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'#weight' => 5,
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);
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}
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else {
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$build['no_content'] = array(
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'#prefix' => '<p>',
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'#markup' => t('There are currently no posts in this category.'),
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'#suffix' => '</p>',
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);
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}
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return $build;
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}
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/**
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* Generate the content feed for a taxonomy term.
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*
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* @param $term
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* The taxonomy term.
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*/
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function taxonomy_term_feed($term) {
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$channel['link'] = url('taxonomy/term/' . $term->tid, array('absolute' => TRUE));
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$channel['title'] = variable_get('site_name', 'Drupal') . ' - ' . $term->name;
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// Only display the description if we have a single term, to avoid clutter and confusion.
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// HTML will be removed from feed description, so no need to filter here.
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$channel['description'] = $term->description;
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$nids = taxonomy_select_nodes($term->tid, FALSE, variable_get('feed_default_items', 10));
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node_feed($nids, $channel);
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}
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/**
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* Helper function for autocompletion
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*/
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function taxonomy_autocomplete($field_name, $bundle, $tags_typed = '') {
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$instance = field_info_instance($field_name, $bundle);
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$field = field_info_field($field_name);
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// The user enters a comma-separated list of tags. We only autocomplete the last tag.
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$tags_typed = drupal_explode_tags($tags_typed);
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$tag_last = drupal_strtolower(array_pop($tags_typed));
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$matches = array();
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if ($tag_last != '') {
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// Part of the criteria for the query come from the field's own settings.
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$vids = array();
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foreach ($field['settings']['allowed_values'] as $tree) {
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$vids[] = $tree['vid'];
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}
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$query = db_select('taxonomy_term_data', 't');
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$query->addTag('translatable');
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$query->addTag('term_access');
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// Do not select already entered terms.
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if (!empty($tags_typed)) {
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$query->condition('t.name', $tags_typed, 'NOT IN');
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}
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$tags_return = $query
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->fields('t', array('tid', 'name'))
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->condition('t.vid', $vids)
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// Select rows that match by term name.
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->condition(db_or()
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->where("t.name LIKE :last_string", array(':last_string' => '%' . $tag_last . '%'))
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)
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->range(0, 10)
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->execute()
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->fetchAllKeyed();
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$prefix = count($tags_typed) ? implode(', ', $tags_typed) . ', ' : '';
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$term_matches = array();
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foreach ($tags_return as $tid => $name) {
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$n = $name;
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// Term names containing commas or quotes must be wrapped in quotes.
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if (strpos($name, ',') !== FALSE || strpos($name, '"') !== FALSE) {
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$n = '"' . str_replace('"', '""', $name) . '"';
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}
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else {
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$term_matches[$prefix . $n] = filter_xss($name);
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}
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}
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}
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drupal_json_output($term_matches);
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}
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