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<?php
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/**
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* @file
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* Definition of views_handler_filter_term_node_tid.
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*/
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/**
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* Filter by term id.
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*
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* @ingroup views_filter_handlers
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*/
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class views_handler_filter_term_node_tid extends views_handler_filter_many_to_one {
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// Stores the exposed input for this filter.
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var $validated_exposed_input = NULL;
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function init(&$view, &$options) {
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parent::init($view, $options);
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if (!empty($this->definition['vocabulary'])) {
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$this->options['vocabulary'] = $this->definition['vocabulary'];
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}
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// Convert legacy vid option to machine name vocabulary.
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if (isset($this->options['vid']) && !empty($this->options['vid']) & empty($this->options['vocabulary'])) {
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$vocabularies = taxonomy_get_vocabularies();
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$vid = $this->options['vid'];
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if (isset($vocabularies[$vid], $vocabularies[$vid]->machine_name)) {
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$this->options['vocabulary'] = $vocabularies[$vid]->machine_name;
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}
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}
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}
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function has_extra_options() { return TRUE; }
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function get_value_options() { /* don't overwrite the value options */ }
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function option_definition() {
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$options = parent::option_definition();
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$options['type'] = array('default' => 'textfield');
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$options['limit'] = array('default' => TRUE, 'bool' => TRUE);
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$options['vocabulary'] = array('default' => 0);
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$options['hierarchy'] = array('default' => 0);
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$options['error_message'] = array('default' => TRUE, 'bool' => TRUE);
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return $options;
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}
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function extra_options_form(&$form, &$form_state) {
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$vocabularies = taxonomy_get_vocabularies();
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$options = array();
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foreach ($vocabularies as $voc) {
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$options[$voc->machine_name] = check_plain($voc->name);
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}
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if ($this->options['limit']) {
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// We only do this when the form is displayed.
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if (empty($this->options['vocabulary'])) {
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$first_vocabulary = reset($vocabularies);
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$this->options['vocabulary'] = $first_vocabulary->machine_name;
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}
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if (empty($this->definition['vocabulary'])) {
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$form['vocabulary'] = array(
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'#type' => 'radios',
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'#title' => t('Vocabulary'),
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'#options' => $options,
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'#description' => t('Select which vocabulary to show terms for in the regular options.'),
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'#default_value' => $this->options['vocabulary'],
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);
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}
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}
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$form['type'] = array(
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'#type' => 'radios',
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'#title' => t('Selection type'),
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'#options' => array('select' => t('Dropdown'), 'textfield' => t('Autocomplete')),
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'#default_value' => $this->options['type'],
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);
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$form['hierarchy'] = array(
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'#type' => 'checkbox',
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'#title' => t('Show hierarchy in dropdown'),
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'#default_value' => !empty($this->options['hierarchy']),
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'#dependency' => array('radio:options[type]' => array('select')),
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);
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}
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function value_form(&$form, &$form_state) {
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$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 ($this->options['type'] == 'textfield') {
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$default = '';
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if ($this->value) {
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$result = taxonomy_term_load_multiple($this->value);
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foreach ($result as $entity_term) {
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if ($default) {
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$default .= ', ';
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}
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$default .= entity_label('taxonomy_term', $entity_term);
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}
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}
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$form['value'] = array(
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'#title' => $this->options['limit'] ? t('Select terms from vocabulary @voc', array('@voc' => $vocabulary->name)) : t('Select terms'),
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'#type' => 'textfield',
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'#default_value' => $default,
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);
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if ($this->options['limit']) {
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$form['value']['#autocomplete_path'] = 'admin/views/ajax/autocomplete/taxonomy/' . $vocabulary->vid;
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}
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}
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else {
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if (!empty($this->options['hierarchy']) && $this->options['limit']) {
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$tree = taxonomy_get_tree($vocabulary->vid, 0, NULL, TRUE);
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$options = array();
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if ($tree) {
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// Translation system needs full entity objects, so we have access to label.
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foreach ($tree as $term) {
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$choice = new stdClass();
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$choice->option = array($term->tid => str_repeat('-', $term->depth) . entity_label('taxonomy_term', $term));
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$options[] = $choice;
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}
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}
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}
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else {
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$options = array();
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$query = db_select('taxonomy_term_data', 'td');
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$query->innerJoin('taxonomy_vocabulary', 'tv', 'td.vid = tv.vid');
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$query->fields('td');
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$query->orderby('tv.weight');
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$query->orderby('tv.name');
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$query->orderby('td.weight');
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$query->orderby('td.name');
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$query->addTag('term_access');
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if ($this->options['limit']) {
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$query->condition('tv.machine_name', $vocabulary->machine_name);
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}
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$result = $query->execute();
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$tids = array();
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foreach ($result as $term) {
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$tids[] = $term->tid;
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}
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$entities = taxonomy_term_load_multiple($tids);
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foreach ($entities as $entity_term) {
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$options[$entity_term->tid] = entity_label('taxonomy_term', $entity_term);
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}
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}
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$default_value = (array) $this->value;
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if (!empty($form_state['exposed'])) {
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$identifier = $this->options['expose']['identifier'];
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if (!empty($this->options['expose']['reduce'])) {
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$options = $this->reduce_value_options($options);
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if (!empty($this->options['expose']['multiple']) && empty($this->options['expose']['required'])) {
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$default_value = array();
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}
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}
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if (empty($this->options['expose']['multiple'])) {
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if (empty($this->options['expose']['required']) && (empty($default_value) || !empty($this->options['expose']['reduce']))) {
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$default_value = 'All';
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}
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elseif (empty($default_value)) {
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$keys = array_keys($options);
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$default_value = array_shift($keys);
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}
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// Due to #1464174 there is a chance that array('') was saved in the admin ui.
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// Let's choose a safe default value.
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elseif ($default_value == array('')) {
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$default_value = 'All';
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}
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else {
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$copy = $default_value;
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$default_value = array_shift($copy);
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}
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}
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}
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$form['value'] = array(
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'#type' => 'select',
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'#title' => $this->options['limit'] ? t('Select terms from vocabulary @voc', array('@voc' => $vocabulary->name)) : t('Select terms'),
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'#multiple' => TRUE,
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'#options' => $options,
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'#size' => min(9, count($options)),
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'#default_value' => $default_value,
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);
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if (!empty($form_state['exposed']) && isset($identifier) && !isset($form_state['input'][$identifier])) {
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$form_state['input'][$identifier] = $default_value;
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}
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}
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if (empty($form_state['exposed'])) {
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// Retain the helper option
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$this->helper->options_form($form, $form_state);
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}
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}
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function value_validate($form, &$form_state) {
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// We only validate if they've chosen the text field style.
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if ($this->options['type'] != 'textfield') {
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return;
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}
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$values = drupal_explode_tags($form_state['values']['options']['value']);
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$tids = $this->validate_term_strings($form['value'], $values);
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if ($tids) {
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$form_state['values']['options']['value'] = $tids;
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}
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}
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function accept_exposed_input($input) {
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if (empty($this->options['exposed'])) {
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return TRUE;
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}
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// If view is an attachment and is inheriting exposed filters, then assume
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// exposed input has already been validated
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if (!empty($this->view->is_attachment) && $this->view->display_handler->uses_exposed()) {
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$this->validated_exposed_input = (array) $this->view->exposed_raw_input[$this->options['expose']['identifier']];
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}
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// If it's non-required and there's no value don't bother filtering.
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if (!$this->options['expose']['required'] && empty($this->validated_exposed_input)) {
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return FALSE;
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}
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$rc = parent::accept_exposed_input($input);
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if ($rc) {
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// If we have previously validated input, override.
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if (!$this->is_a_group() && isset($this->validated_exposed_input)) {
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$this->value = $this->validated_exposed_input;
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}
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}
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return $rc;
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}
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function exposed_validate(&$form, &$form_state) {
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if (empty($this->options['exposed'])) {
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return;
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}
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$identifier = $this->options['expose']['identifier'];
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// We only validate if they've chosen the text field style.
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if ($this->options['type'] != 'textfield') {
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if ($form_state['values'][$identifier] != 'All') {
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$this->validated_exposed_input = (array) $form_state['values'][$identifier];
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}
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return;
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}
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if (empty($this->options['expose']['identifier'])) {
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return;
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}
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$values = drupal_explode_tags($form_state['values'][$identifier]);
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$tids = $this->validate_term_strings($form[$identifier], $values);
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if ($tids) {
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$this->validated_exposed_input = $tids;
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}
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}
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/**
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* Validate the user string. Since this can come from either the form
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* or the exposed filter, this is abstracted out a bit so it can
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* handle the multiple input sources.
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*
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* @param $form
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* The form which is used, either the views ui or the exposed filters.
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* @param $values
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* The taxonomy names which will be converted to tids.
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*
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* @return array
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* The taxonomy ids fo all validated terms.
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*/
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function validate_term_strings(&$form, $values) {
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if (empty($values)) {
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return array();
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}
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$tids = array();
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$names = array();
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$missing = array();
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foreach ($values as $value) {
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$missing[strtolower($value)] = TRUE;
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$names[] = $value;
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}
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if (!$names) {
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return FALSE;
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}
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$query = db_select('taxonomy_term_data', 'td');
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$query->innerJoin('taxonomy_vocabulary', 'tv', 'td.vid = tv.vid');
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$query->fields('td');
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$query->condition('td.name', $names);
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$query->condition('tv.machine_name', $this->options['vocabulary']);
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$query->addTag('term_access');
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$result = $query->execute();
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foreach ($result as $term) {
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unset($missing[strtolower($term->name)]);
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$tids[] = $term->tid;
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}
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if ($missing && !empty($this->options['error_message'])) {
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form_error($form, format_plural(count($missing), 'Unable to find term: @terms', 'Unable to find terms: @terms', array('@terms' => implode(', ', array_keys($missing)))));
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}
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elseif ($missing && empty($this->options['error_message'])) {
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$tids = array(0);
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}
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return $tids;
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}
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function value_submit($form, &$form_state) {
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// prevent array_filter from messing up our arrays in parent submit.
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}
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function expose_form(&$form, &$form_state) {
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parent::expose_form($form, $form_state);
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if ($this->options['type'] != 'select') {
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unset($form['expose']['reduce']);
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}
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$form['error_message'] = array(
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'#type' => 'checkbox',
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'#title' => t('Display error message'),
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'#default_value' => !empty($this->options['error_message']),
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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 ($this->value) {
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$this->value = array_filter($this->value);
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$result = taxonomy_term_load_multiple($this->value);
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foreach ($result as $entity_term) {
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$this->value_options[$entity_term->tid] = entity_label('taxonomy_term', $entity_term);
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}
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}
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return parent::admin_summary();
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}
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}
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