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<?php
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/**
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* @file
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* Plugin to provide an relationship handler for all terms from node.
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*/
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/**
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* Plugins are described by creating a $plugin array which will be used
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* by the system that includes this file.
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*/
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$plugin = array(
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'title' => t('Multiple terms from node'),
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'keyword' => 'terms',
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'description' => t('Adds a taxonomy terms from a node context; if multiple terms are selected, they wil be concatenated.'),
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'required context' => new ctools_context_required(t('Node'), 'node'),
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'context' => 'ctools_terms_from_node_context',
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'edit form' => 'ctools_terms_from_node_settings_form',
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'defaults' => array('vocabulary' => array(), 'concatenator' => ','),
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);
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/**
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* Return a new context based on an existing context.
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*/
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function ctools_terms_from_node_context($context, $conf) {
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// If unset it wants a generic, unfilled context, which is just NULL.
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if (empty($context->data)) {
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return ctools_context_create_empty('terms', NULL);
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}
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// Collect all terms for the chosen vocabulary and concatenate them.
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$node = $context->data;
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$terms = array();
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$fields = field_info_instances('node', $node->type);
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foreach ($fields as $name => $info) {
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$field_info = field_info_field($name);
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if ($field_info['type'] == 'taxonomy_term_reference' && (empty($conf['vocabulary']) || !empty($conf['vocabulary'][$field_info['settings']['allowed_values'][0]['vocabulary']]))) {
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$items = field_get_items('node', $node, $name);
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if (is_array($items)) {
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foreach ($items as $item) {
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$terms[] = $item['tid'];
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}
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}
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}
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elseif ($field_info['type'] == 'entityreference' && $field_info['settings']['target_type'] == 'taxonomy_term') {
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$items = field_get_items('node', $node, $name);
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if (is_array($items)) {
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$tids = array();
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foreach ($items as $item) {
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$tids[] = $item['target_id'];
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}
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$term_objects = taxonomy_term_load_multiple($tids);
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foreach ($term_objects as $term) {
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if (empty($conf['vocabulary']) || in_array($term->vocabulary_machine_name, $conf['vocabulary'])) {
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$terms[] = $term->tid;
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}
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}
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}
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}
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}
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if (!empty($terms)) {
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$all_terms = ctools_break_phrase(implode($conf['concatenator'], $terms));
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return ctools_context_create('terms', $all_terms);
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}
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}
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/**
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* Settings form for the relationship.
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*/
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function ctools_terms_from_node_settings_form($form, &$form_state) {
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$conf = $form_state['conf'];
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$options = array();
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foreach (taxonomy_vocabulary_get_names() as $name => $vocabulary) {
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$options[$name] = $vocabulary->name;
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}
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$form['vocabulary'] = array(
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'#title' => t('Vocabulary'),
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'#type' => 'checkboxes',
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'#options' => $options,
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'#default_value' => $conf['vocabulary'],
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'#prefix' => '<div class="clearfix">',
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'#suffix' => '</div>',
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);
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$form['concatenator'] = array(
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'#title' => t('Concatenator'),
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'#type' => 'select',
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'#options' => array(',' => ', (AND)', '+' => '+ (OR)'),
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'#default_value' => $conf['concatenator'],
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'#prefix' => '<div class="clearfix">',
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'#suffix' => '</div>',
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'#description' => t("When the value from this context is passed on to a view as argument, the terms can be concatenated in the form of 1+2+3 (for OR) or 1,2,3 (for AND)."),
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);
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return $form;
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}
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