danielebarchiesi@0: <?php
danielebarchiesi@0: 
danielebarchiesi@0: /**
danielebarchiesi@0:  * @file
danielebarchiesi@0:  * Plugin to provide an relationship handler for term from node.
danielebarchiesi@0:  */
danielebarchiesi@0: 
danielebarchiesi@0: /**
danielebarchiesi@0:  * Plugins are described by creating a $plugin array which will be used
danielebarchiesi@0:  * by the system that includes this file.
danielebarchiesi@0:  */
danielebarchiesi@0: $plugin = array(
danielebarchiesi@0:   'title' => t('Term from node'),
danielebarchiesi@0:   'keyword' => 'term',
danielebarchiesi@0:   'description' => t('Adds a taxonomy term from a node context; if multiple terms are selected, this will get the "first" term only.'),
danielebarchiesi@0:   'required context' => new ctools_context_required(t('Node'), 'node'),
danielebarchiesi@0:   'context' => 'ctools_term_from_node_context',
danielebarchiesi@0:   'edit form' => 'ctools_term_from_node_settings_form',
danielebarchiesi@0:   'defaults' => array('vid' => ''),
danielebarchiesi@0: );
danielebarchiesi@0: 
danielebarchiesi@0: /**
danielebarchiesi@0:  * Return a new context based on an existing context.
danielebarchiesi@0:  */
danielebarchiesi@0: function ctools_term_from_node_context($context, $conf) {
danielebarchiesi@0:   // If unset it wants a generic, unfilled context, which is just NULL.
danielebarchiesi@0:   if (empty($context->data)) {
danielebarchiesi@0:     return ctools_context_create_empty('entity:taxonomy_term', NULL);
danielebarchiesi@0:   }
danielebarchiesi@0: 
danielebarchiesi@0:   if (isset($context->data->taxonomy)) {
danielebarchiesi@0:     foreach ($context->data->taxonomy as $term) {
danielebarchiesi@0:       if ($term->vid == $conf['vid']) {
danielebarchiesi@0:         return ctools_context_create('entity:taxonomy_term', $term);
danielebarchiesi@0:       }
danielebarchiesi@0:     }
danielebarchiesi@0:   }
danielebarchiesi@0: }
danielebarchiesi@0: 
danielebarchiesi@0: /**
danielebarchiesi@0:  * Settings form for the relationship.
danielebarchiesi@0:  */
danielebarchiesi@0: function ctools_term_from_node_settings_form($form, &$form_state) {
danielebarchiesi@0:   $conf = $form_state['conf'];
danielebarchiesi@0: 
danielebarchiesi@0:   $options = array();
danielebarchiesi@0:   foreach (taxonomy_get_vocabularies() as $vid => $vocabulary) {
danielebarchiesi@0:     $options[$vid] = $vocabulary->name;
danielebarchiesi@0:   }
danielebarchiesi@0:   $form['vid'] = array(
danielebarchiesi@0:     '#title' => t('Vocabulary'),
danielebarchiesi@0:     '#type' => 'select',
danielebarchiesi@0:     '#options' => $options,
danielebarchiesi@0:     '#default_value' => $conf['vid'],
danielebarchiesi@0:     '#prefix' => '<div class="clearfix">',
danielebarchiesi@0:     '#suffix' => '</div>',
danielebarchiesi@0:   );
danielebarchiesi@0: 
danielebarchiesi@0:   return $form;
danielebarchiesi@0: }