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- <?php
- /**
- * @file
- * Field handler to provide additional control for the All Taxonomy Terms field.
- */
- class views_rss_handler_field_term_node_tid extends views_handler_field_term_node_tid {
- function option_definition() {
- $options = parent::option_definition();
- $options['rss_domain'] = array('default' => 'none');
- $options['rss_include_parents'] = array('default' => 0);
- $options['rss_include_vocabulary'] = array('default' => 0);
- return $options;
- }
- function options_form(&$form, &$form_state) {
- parent::options_form($form, $form_state);
- // New display type: "RSS <category> element".
- $form['type']['#weight'] = 2;
- $form['separator']['#weight'] = 3;
- $form['type']['#options']['rss_category'] = t('RSS <category> element');
- // Additional options for "domain" attribute.
- $form['rss_domain'] = array(
- '#type' => 'select',
- '#title' => t('<em>Domain</em> attribute'),
- '#description' => t("<em>domain</em> attribute identifies the category's taxonomy.") . ' ' . l('[?]', 'http://www.rssboard.org/rss-profile#element-channel-item-category', array('attributes' => array('title' => t('Need more information?')))),
- '#options' => array(
- 'none' => t('None'),
- 'path' => t('Path'),
- 'alias' => t('URL alias'),
- ),
- '#default_value' => $this->options['rss_domain'],
- '#dependency' => array('radio:options[type]' => array('rss_category')),
- '#weight' => 3,
- );
- // Output terms with their parents.
- // Example: parent2/parent1/term
- $form['rss_include_parents'] = array(
- '#type' => 'checkbox',
- '#title' => t('Include term parents'),
- '#description' => t('Output terms from hierarchical vocabularies together with their parents (slash-delimited).'),
- '#default_value' => $this->options['rss_include_parents'],
- '#dependency' => array('radio:options[type]' => array('rss_category')),
- '#weight' => 4,
- );
- // Output terms with their parents and vocabulary.
- // Example: vocabulary/parent2/parent1/term
- $form['rss_include_vocabulary'] = array(
- '#type' => 'checkbox',
- '#title' => t('Include term vocabulary'),
- '#description' => t('Add vocabulary name before term parents.'),
- '#default_value' => $this->options['rss_include_vocabulary'],
- '#process' => array('ctools_dependent_process'),
- '#dependency_count' => 2,
- '#dependency' => array(
- 'radio:options[type]' => array('rss_category'),
- 'edit-options-rss-include-parents' => array(1),
- ),
- '#weight' => 5,
- );
- // Hide "Link this field to its term page" checkbox
- // if "RSS <category> element" is selected as "Display type".
- $form['link_to_taxonomy']['#weight'] = 4;
- $form['link_to_taxonomy']['#states'] = array(
- 'visible' => array(
- ':input[name="options[type]"]' => array('!value' => 'rss_category'),
- ),
- );
- }
- function pre_render(&$values) {
- parent::pre_render($values);
- // For "RSS <category> element" display type make sure
- // that field value will never be rendered as link.
- if ($this->options['type'] == 'rss_category') {
- foreach ($this->items as $node_nid => $terms) {
- foreach ($terms as $term_tid => $term) {
- if (isset($term['make_link'])) {
- $this->items[$node_nid][$term_tid]['make_link'] = FALSE;
- }
- if ($this->options['rss_domain'] != 'none' && empty($this->options['link_to_taxonomy'])) {
- $this->items[$node_nid][$term_tid]['path'] = 'taxonomy/term/' . $term_tid;
- }
- if ($this->options['rss_include_parents']) {
- $this->items[$node_nid][$term_tid]['parents'] = taxonomy_get_parents_all($term_tid);
- }
- if ($this->options['rss_include_vocabulary']) {
- $this->items[$node_nid][$term_tid]['vocabulary'] = $term['vocabulary'];
- }
- }
- }
- }
- }
- function render_items($items) {
- if (!empty($items)) {
- if ($this->options['type'] == 'rss_category') {
- return implode('', $items);
- }
- // Default render_items().
- return parent::render_items($items);
- }
- }
- function render_item($count, $item) {
- if ($this->options['type'] == 'rss_category') {
- // Basic XML element details.
- $rss_element = array(
- 'key' => 'category',
- 'value' => $item['name'],
- );
- // Slash-delimited list of all parents with the term at the end.
- // $item['parents'] array contains the current term as well.
- if ($this->options['rss_include_parents'] && isset($item['parents'])) {
- $parents = array();
- // Add vocabulary if required.
- if ($this->options['rss_include_vocabulary'] && isset($item['vocabulary'])) {
- $parents[] = $item['vocabulary'];
- }
- // Add all terms (parent and current one).
- foreach (array_reverse($item['parents']) as $parent) {
- $parents[] = $parent->name;
- }
- if (count($parents)) {
- $rss_element['value'] = implode('/', $parents);
- }
- }
- // Add "domain" attribute if required.
- if ($this->options['rss_domain'] == 'path') {
- $rss_element['attributes']['domain'] = url('<front>', array('absolute' => TRUE)) . $item['path'];
- }
- elseif ($this->options['rss_domain'] == 'alias') {
- $rss_element['attributes']['domain'] = url($item['path'], array('absolute' => TRUE));
- }
- // Prepare raw-rendered values to store in view results.
- $rendered = array(
- '#item' => $item,
- '#markup' => format_xml_elements(array($rss_element)),
- '#rss_element' => $rss_element,
- '#settings' => $this->options,
- );
- // Store raw-rendered values in view results, the same way
- // as values from standard field formatters are added.
- $row_index = $this->view->row_index;
- $field_name = 'field_' . $this->field;
- $this->view->result[$row_index]->{$field_name}[$count] = array(
- 'rendered' => $rendered,
- 'raw' => $item,
- );
- // Return formatted XML element.
- return format_xml_elements(array($rss_element));
- }
- // Standard Views render_item().
- return parent::render_item($count, $item);
- }
- }
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