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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 term 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('Term from node'),
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'keyword' => 'term',
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'description' => t('Adds a taxonomy term from a node context; if multiple terms are selected, this will get the "first" term only.'),
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'required context' => new ctools_context_required(t('Node'), 'node'),
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'context' => 'ctools_term_from_node_context',
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'edit form' => 'ctools_term_from_node_settings_form',
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'defaults' => array('vid' => ''),
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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_term_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('entity:taxonomy_term', NULL);
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}
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if (isset($context->data->taxonomy)) {
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foreach ($context->data->taxonomy as $term) {
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if ($term->vid == $conf['vid']) {
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return ctools_context_create('entity:taxonomy_term', $term);
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}
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}
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}
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}
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/**
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* Settings form for the relationship.
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*/
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function ctools_term_from_node_settings_form($form, &$form_state) {
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$conf = $form_state['conf'];
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$options = array();
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foreach (taxonomy_get_vocabularies() as $vid => $vocabulary) {
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$options[$vid] = $vocabulary->name;
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}
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$form['vid'] = array(
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'#title' => t('Vocabulary'),
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'#type' => 'select',
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'#options' => $options,
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'#default_value' => $conf['vid'],
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'#prefix' => '<div class="clearfix">',
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'#suffix' => '</div>',
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);
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return $form;
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}
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