function views_plugin_exposed_form::exposed_form_alter

File

plugins/views_plugin_exposed_form.inc, line 234

Class

views_plugin_exposed_form

The base plugin to handle exposed filter forms.

Code

public function exposed_form_alter(&$form, &$form_state) {
    if (!empty($this->options['reset_button'])) {
        $form['reset'] = array(
            '#value' => $this->options['reset_button_label'],
            '#type' => 'submit',
        );
    }
    $form['submit']['#value'] = $this->options['submit_button'];
    // Check if there is exposed sorts for this view.
    $exposed_sorts = array();
    foreach ($this->view->sort as $id => $handler) {
        if ($handler->can_expose() && $handler->is_exposed()) {
            $exposed_sorts[$id] = check_plain($handler->options['expose']['label']);
        }
    }
    if (count($exposed_sorts)) {
        if (isset($form_state['input']['sort_by'])) {
            $sort_by = $form_state['input']['sort_by'];
        }
        else {
            $keys = array_keys($exposed_sorts);
            $sort_by = array_shift($keys);
        }
        if (isset($form_state['input']['sort_order'])) {
            $sort_order = $form_state['input']['sort_order'];
        }
        elseif (isset($this->view->sort[$sort_by])) {
            $sort_order = $this->view->sort[$sort_by]->options['order'];
        }
        else {
            $first_sort = reset($this->view->sort);
            $sort_order = $first_sort->options['order'];
        }
        if (!isset($form_state['input']['sort_by'])) {
            $form_state['input']['sort_by'] = $sort_by;
        }
        if (!isset($form_state['input']['sort_order'])) {
            $form_state['input']['sort_order'] = $sort_order;
        }
        $form['sort_by'] = array(
            '#type' => 'select',
            '#options' => $exposed_sorts,
            '#title' => $this->options['exposed_sorts_label'],
            '#default_value' => $sort_by,
        );
        $sort_options = array(
            'ASC' => $this->options['sort_asc_label'],
            'DESC' => $this->options['sort_desc_label'],
        );
        if ($this->options['expose_sort_order']) {
            $form['sort_order'] = array(
                '#type' => 'select',
                '#options' => $sort_options,
                '#title' => t('Order', array(), array(
                    'context' => 'Sort order',
                )),
                '#default_value' => $sort_order,
            );
        }
        $form['submit']['#weight'] = 10;
        if (isset($form['reset'])) {
            $form['reset']['#weight'] = 10;
        }
    }
    $pager = $this->view->display_handler
        ->get_plugin('pager');
    if ($pager) {
        $pager->exposed_form_alter($form, $form_state);
        $form_state['pager_plugin'] = $pager;
    }
    // Apply autosubmit values.
    if (!empty($this->options['autosubmit'])) {
        $form = array_merge_recursive($form, array(
            '#attributes' => array(
                'class' => array(
                    'ctools-auto-submit-full-form',
                ),
            ),
        ));
        $form['submit']['#attributes']['class'][] = 'ctools-use-ajax';
        $form['submit']['#attributes']['class'][] = 'ctools-auto-submit-click';
        $form['#attached']['js'][] = drupal_get_path('module', 'ctools') . '/js/auto-submit.js';
        if (!empty($this->options['autosubmit_hide'])) {
            $form['submit']['#attributes']['class'][] = 'js-hide';
        }
    }
}