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<?php
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/**
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* @file
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* Definition of shs_handler_filter_term_node_tid.
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*/
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/**
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* Filter by term id (including selection by simple hierarchical select).
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*
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* @ingroup views_filter_handlers
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*/
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class shs_handler_filter_term_node_tid extends views_handler_filter_term_node_tid {
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function option_definition() {
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$options = parent::option_definition();
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$options['type'] = array('default' => 'shs');
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$options['use_chosen'] = array('default' => 'never');
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return $options;
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}
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function extra_options_form(&$form, &$form_state) {
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parent::extra_options_form($form, $form_state);
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$form['type']['#options'] += array(
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'shs' => t('Simple hierarchical select'),
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);
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if (module_exists('chosen')) {
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$form['use_chosen'] = array(
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'#type' => 'select',
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'#title' => t('Output this field with !chosen', array('!chosen' => l(t('Chosen'), 'http://drupal.org/project/chosen'))),
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'#description' => t('Select in which cases the element will use the !chosen module for the term selection of each level.', array('!chosen' => l(t('Chosen'), 'http://drupal.org/project/chosen'))),
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'#default_value' => empty($this->options['use_chosen']) ? 'never' : $this->options['use_chosen'],
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'#dependency' => array('radio:options[type]' => array('shs')),
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'#options' => array(
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'chosen' => t('let chosen decide'),
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'always' => t('always'),
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'never' => t('never'),
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),
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);
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}
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}
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function value_form(&$form, &$form_state) {
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parent::value_form($form, $form_state);
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$multiple = $this->options['expose']['multiple'];
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$vocabulary = taxonomy_vocabulary_machine_name_load($this->options['vocabulary']);
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if (empty($vocabulary) && $this->options['limit']) {
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$form['markup'] = array(
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'#markup' => '<div class="form-item">' . t('An invalid vocabulary is selected. Please change it in the options.') . '</div>',
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);
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return;
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}
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if ($this->options['type'] == 'shs' && $this->options['exposed']) {
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$identifier = $this->options['expose']['identifier'];
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// Get parents of selected term.
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$default_value = empty($this->value) ? 0 : $this->value;
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if (!empty($form_state['input'][$identifier])) {
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$default_value = $form_state['input'][$identifier];
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if (!is_array($default_value) && $multiple) {
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$default_value = explode('+', $default_value);
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foreach ($default_value as $delta => $value) {
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$default_value[$delta] = explode(',', $value);
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}
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}
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}
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$parents = array();
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if (!empty($default_value) && $default_value != 'All') {
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if (is_array($default_value) && $default_value[0] != 'All') {
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foreach ($default_value as $delta => $level) {
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foreach ($level as $tid) {
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$parents[$delta]['tid'] = $level;
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}
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}
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}
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elseif (is_string($default_value)) {
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$term_parents = taxonomy_get_parents_all($default_value);
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// Remove selected term from list.
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array_shift($term_parents);
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foreach (array_reverse($term_parents) as $term) {
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$parents[] = array('tid' => $term->tid);
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}
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// Add current term (name not needed).
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$parents[] = array('tid' => $default_value);
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}
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}
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// Add fake item for next level.
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$parents[] = array('tid' => 0);
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$element_settings = array(
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'create_new_terms' => FALSE,
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'create_new_levels' => FALSE,
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'required' => FALSE,
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);
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if (module_exists('chosen') && !empty($this->options['use_chosen'])) {
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$element_settings['use_chosen'] = $this->options['use_chosen'];
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}
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if (!empty($this->options['exposed']) && !empty($this->options['expose']['required'])) {
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$element_settings['required'] = TRUE;
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}
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// Generate a random hash to avoid merging of settings by drupal_add_js.
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// This is necessary until http://drupal.org/node/208611 lands for D7.
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$js_hash = _shs_create_hash();
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// Create settings needed for our js magic.
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$settings_js = array(
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'shs' => array(
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$identifier => array(
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$js_hash => array(
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'vid' => $vocabulary->vid,
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'settings' => $element_settings,
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'default_value' => $default_value,
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'parents' => $parents,
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'multiple' => $multiple,
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),
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),
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),
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);
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// Add settings.
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drupal_add_js($settings_js, 'setting');
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// Add behavior.
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drupal_add_js(drupal_get_path('module', 'shs') . '/js/shs.js');
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if (is_array($default_value) && $multiple && $default_value[0] != 'All') {
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foreach ($default_value as $delta => $level) {
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if ($delta == 0) {
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$default_value_str = implode(',', $level);
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}
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else {
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$default_value_str .= '+' . implode(',', $level);
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}
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}
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}
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// Rewrite default select to textfield.
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$form['value'] = array(
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'#type' => 'textfield',
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'#default_value' => empty($default_value_str) ? 'All' : $default_value_str,
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'#attributes' => array(
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'class' => array('element-invisible', 'shs-enabled'),
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),
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);
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if (!empty($form_state['exposed']) && isset($identifier) && empty($form_state['input'][$identifier]) || $multiple && isset($form_state['input'][$identifier][0])) {
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$form_state['input'][$identifier] = empty($default_value_str) ? 'All' : $default_value_str;
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}
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}
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if (empty($form_state['exposed'])) {
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// Retain the helper option.
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$this->helper->options_form($form, $form_state);
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}
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}
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function admin_summary() {
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// Set up $this->value_options for the parent summary.
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$this->value_options = array();
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if ($this->value == 'All') {
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$this->value = NULL;
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}
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return parent::admin_summary();
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}
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}
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