function RearrangeFilter::submitForm

Overrides ViewsFormBase::submitForm

File

core/modules/views_ui/src/Form/Ajax/RearrangeFilter.php, line 228

Class

RearrangeFilter

Provides a rearrange form for Views filters.

Namespace

Code

public function submitForm(array &$form, FormStateInterface $form_state) {
    $types = ViewExecutable::getHandlerTypes();
    $view = $form_state->get('view');
    $display =& $view->getExecutable()->displayHandlers
        ->get($form_state->get('display_id'));
    $remember_groups = [];
    if (!empty($view->form_cache)) {
        $old_fields = $view->form_cache['handlers'];
    }
    else {
        $old_fields = $display->getOption($types['filter']['plural']);
    }
    $groups = $form_state->getValue('filter_groups');
    // Whatever button was clicked, re-calculate field information.
    $new_fields = $order = [];
    // Make an array with the weights
    foreach ($form_state->getValue('filters') as $field => $info) {
        // add each value that is a field with a weight to our list, but only if
        // it has had its 'removed' checkbox checked.
        if (is_array($info) && empty($info['removed'])) {
            if (isset($info['weight'])) {
                $order[$field] = $info['weight'];
            }
            if (isset($info['group'])) {
                $old_fields[$field]['group'] = $info['group'];
                $remember_groups[$info['group']][] = $field;
            }
        }
    }
    // Sort the array
    asort($order);
    // Create a new list of fields in the new order.
    foreach (array_keys($order) as $field) {
        $new_fields[$field] = $old_fields[$field];
    }
    // If the #group property is set on the clicked button, that means we are
    // either adding or removing a group, not actually updating the filters.
    $triggering_element = $form_state->getTriggeringElement();
    if (!empty($triggering_element['#group'])) {
        if ($triggering_element['#group'] == 'add') {
            // Add a new group
            $groups['groups'][] = 'AND';
        }
        else {
            // Renumber groups above the removed one down.
            foreach (array_keys($groups['groups']) as $group_id) {
                if ($group_id >= $triggering_element['#group']) {
                    $old_group = $group_id + 1;
                    if (isset($groups['groups'][$old_group])) {
                        $groups['groups'][$group_id] = $groups['groups'][$old_group];
                        if (isset($remember_groups[$old_group])) {
                            foreach ($remember_groups[$old_group] as $id) {
                                $new_fields[$id]['group'] = $group_id;
                            }
                        }
                    }
                    else {
                        // If this is the last one, just unset it.
                        unset($groups['groups'][$group_id]);
                    }
                }
            }
        }
        // Update our cache with values so that cancel still works the way
        // people expect.
        $view->form_cache = [
            'key' => 'rearrange-filter',
            'groups' => $groups,
            'handlers' => $new_fields,
        ];
        // Return to this form except on actual Update.
        $view->addFormToStack('rearrange-filter', $form_state->get('display_id'), 'filter');
    }
    else {
        // The actual update button was clicked. Remove the empty groups, and
        // renumber them sequentially.
        ksort($remember_groups);
        $groups['groups'] = static::arrayKeyPlus(array_values(array_intersect_key($groups['groups'], $remember_groups)));
        // Change the 'group' key on each field to match. Here, $mapping is an
        // array whose keys are the old group numbers and whose values are the new
        // (sequentially numbered) ones.
        $mapping = array_flip(static::arrayKeyPlus(array_keys($remember_groups)));
        foreach ($new_fields as &$new_field) {
            $new_field['group'] = $mapping[$new_field['group']];
        }
        // Write the changed handler values.
        $display->setOption($types['filter']['plural'], $new_fields);
        $display->setOption('filter_groups', $groups);
        if (isset($view->form_cache)) {
            unset($view->form_cache);
        }
    }
    // Store in cache.
    $view->cacheSet();
}