function views_handler_filter_term_node_tid::value_form

Overrides views_handler_filter_many_to_one::value_form

File

modules/taxonomy/views_handler_filter_term_node_tid.inc, line 123

Class

views_handler_filter_term_node_tid

Filter by term id.

Code

public function value_form(&$form, &$form_state) {
    $vocabulary = taxonomy_vocabulary_machine_name_load($this->options['vocabulary']);
    if (empty($vocabulary) && $this->options['limit']) {
        $form['markup'] = array(
            '#markup' => '<div class="form-item">' . t('An invalid vocabulary is selected. Please change it in the options.') . '</div>',
        );
        return;
    }
    if ($this->options['type'] == 'textfield') {
        $default = '';
        if ($this->value) {
            $result = taxonomy_term_load_multiple($this->value);
            foreach ($result as $entity_term) {
                if ($default) {
                    $default .= ', ';
                }
                $default .= entity_label('taxonomy_term', $entity_term);
            }
        }
        $form['value'] = array(
            '#title' => $this->options['limit'] ? t('Select terms from vocabulary @voc', array(
                '@voc' => $vocabulary->name,
            )) : t('Select terms'),
            '#type' => 'textfield',
            '#default_value' => $default,
        );
        if ($this->options['limit']) {
            $form['value']['#autocomplete_path'] = 'admin/views/ajax/autocomplete/taxonomy/' . $vocabulary->vid;
        }
    }
    else {
        $options = array();
        if (!empty($this->options['hierarchy']) && $this->options['limit']) {
            $tree = taxonomy_get_tree($vocabulary->vid, 0, NULL, TRUE);
            $options = array();
            if (!empty($tree)) {
                if (!empty($this->options['optgroups'])) {
                    foreach ($tree as $term) {
                        $term_name = entity_label('taxonomy_term', $term);
                        if ($term->parents[0] == 0) {
                            $parent_name = $term_name;
                        }
                        else {
                            $options[$parent_name][$term->tid] = str_repeat('-', $term->depth - 1) . $term_name;
                        }
                    }
                }
                else {
                    foreach ($tree as $term) {
                        $options[$term->tid] = str_repeat('-', $term->depth) . entity_label('taxonomy_term', $term);
                    }
                }
            }
        }
        else {
            $query = db_select('taxonomy_term_data', 'td');
            $query->innerJoin('taxonomy_vocabulary', 'tv', 'td.vid = tv.vid');
            $query->fields('td');
            $query->orderby('tv.weight');
            $query->orderby('tv.name');
            $query->orderby('td.weight');
            $query->orderby('td.name');
            $query->addTag('taxonomy_term_access');
            if ($this->options['limit']) {
                $query->condition('tv.machine_name', $vocabulary->machine_name);
            }
            $result = $query->execute();
            $tids = array();
            foreach ($result as $term) {
                $tids[] = $term->tid;
            }
            $entities = taxonomy_term_load_multiple($tids);
            foreach ($entities as $entity_term) {
                $options[$entity_term->tid] = entity_label('taxonomy_term', $entity_term);
            }
        }
        $default_value = (array) $this->value;
        if (!empty($form_state['exposed'])) {
            $identifier = $this->options['expose']['identifier'];
            if (!empty($this->options['expose']['reduce'])) {
                $options = $this->reduce_value_options($options);
                if (!empty($this->options['expose']['multiple']) && empty($this->options['expose']['required'])) {
                    $default_value = array();
                }
            }
            if (empty($this->options['expose']['multiple'])) {
                if (empty($this->options['expose']['required']) && (empty($default_value) || !empty($this->options['expose']['reduce']))) {
                    $default_value = 'All';
                }
                elseif (empty($default_value)) {
                    $keys = array_keys($options);
                    $default_value = array_shift($keys);
                }
                elseif ($default_value == array(
                    '',
                )) {
                    $default_value = 'All';
                }
                else {
                    $copy = $default_value;
                    $default_value = array_shift($copy);
                }
            }
        }
        $form['value'] = array(
            '#type' => 'select',
            '#title' => $this->options['limit'] ? t('Select terms from vocabulary @voc', array(
                '@voc' => $vocabulary->name,
            )) : t('Select terms'),
            '#multiple' => TRUE,
            '#options' => $options,
            '#size' => min(9, count($options)),
            '#default_value' => $default_value,
        );
        if (!empty($form_state['exposed']) && isset($identifier) && !isset($form_state['input'][$identifier])) {
            $form_state['input'][$identifier] = $default_value;
        }
    }
    if (empty($form_state['exposed'])) {
        // Retain the helper option.
        $this->helper
            ->options_form($form, $form_state);
        // Show help text if not exposed to end users.
        $form['value']['#description'] = t('Leave blank for all. Otherwise, the first selected term will be the default instead of "Any".');
    }
}