views_test_plugin_style_test_mapping.inc

<?php


/**
 * @file
 * Definition of views_test_plugin_style_test_mapping.
 */

/**
 * Provides a test mapping style plugin.
 */
class views_test_plugin_style_test_mapping extends views_plugin_style_mapping {
    
    /**
     * {@inheritdoc}
     */
    protected function define_mapping() {
        return array(
            'title_field' => array(
                '#title' => t('Title field'),
                '#description' => t('Choose the field with the custom title.'),
                '#toggle' => TRUE,
                '#required' => TRUE,
            ),
            'name_field' => array(
                '#title' => t('Name field'),
                '#description' => t('Choose the field with the custom name.'),
            ),
            'numeric_field' => array(
                '#title' => t('Numeric field'),
                '#description' => t('Select one or more numeric fields.'),
                '#multiple' => TRUE,
                '#toggle' => TRUE,
                '#filter' => 'filter_numeric_fields',
                '#required' => TRUE,
            ),
        );
    }
    
    /**
     * Restricts the allowed fields to only numeric fields.
     *
     * @param array $fields
     *   An array of field labels, keyed by the field ID.
     */
    protected function filter_numeric_fields(&$fields) {
        foreach ($this->view->field as $id => $field) {
            if (!$field instanceof views_handler_field_numeric) {
                unset($fields[$id]);
            }
        }
    }

}