function views_plugin_display::options_validate

Validate the options form.

Overrides views_plugin::options_validate

File

plugins/views_plugin_display.inc, line 2354

Class

views_plugin_display

The default display plugin handler. Display plugins handle options and basic mechanisms for different output methods.

Code

public function options_validate(&$form, &$form_state) {
    switch ($form_state['section']) {
        case 'display_title':
            if (empty($form_state['values']['display_title'])) {
                form_error($form['display_title'], t('Display title may not be empty.'));
            }
            break;
        case 'css_class':
            $css_class = $form_state['values']['css_class'];
            if (preg_match('/[^a-zA-Z0-9-_ ]/', $css_class)) {
                form_error($form['css_class'], t('CSS classes must be alphanumeric or dashes only.'));
            }
            break;
        case 'display_id':
            if ($form_state['values']['display_id']) {
                if (preg_match('/[^a-z0-9_]/', $form_state['values']['display_id'])) {
                    form_error($form['display_id'], t('Display name must be letters, numbers, or underscores only.'));
                }
                foreach ($this->view->display as $id => $display) {
                    if ($id != $this->view->current_display && ($form_state['values']['display_id'] == $id || isset($display->new_id) && $form_state['values']['display_id'] == $display->new_id)) {
                        form_error($form['display_id'], t('Display id should be unique.'));
                    }
                }
            }
            break;
        case 'style_options':
            $style = TRUE;
        case 'row_options':
            // If row, $style will be empty.
            $plugin = $this->get_plugin(empty($style) ? 'row' : 'style');
            if ($plugin) {
                $plugin->options_validate($form[$form_state['section']], $form_state);
            }
            break;
        case 'access_options':
            $plugin = $this->get_plugin('access');
            if ($plugin) {
                $plugin->options_validate($form['access_options'], $form_state);
            }
            break;
        case 'query':
            if ($this->view->query) {
                $this->view->query
                    ->options_validate($form['query'], $form_state);
            }
            break;
        case 'cache_options':
            $plugin = $this->get_plugin('cache');
            if ($plugin) {
                $plugin->options_validate($form['cache_options'], $form_state);
            }
            break;
        case 'exposed_form_options':
            $plugin = $this->get_plugin('exposed_form');
            if ($plugin) {
                $plugin->options_validate($form['exposed_form_options'], $form_state);
            }
            break;
        case 'pager_options':
            $plugin = $this->get_plugin('pager');
            if ($plugin) {
                $plugin->options_validate($form['pager_options'], $form_state);
            }
            break;
    }
    foreach ($this->extender as $extender) {
        $extender->options_validate($form, $form_state);
    }
}