node_field_range.module in Node Field 7.2

File

modules/node_field_range/node_field_range.module

<?php

/**
 * @file
 * Provide ability to limit value of node field.
 */
require_once 'includes/node_field_range.api.inc';

/**
 * Implements hook_node_field_settings_alter().
 */
function node_field_range_node_field_settings_alter($node_field, &$form) {
  if ($node_field['type'] != 'text') {
    return;
  }
  $form['range'] = array(
    '#type' => 'fieldset',
    '#title' => t('Allowed values'),
    '#title_display' => 'before',
  );
  $form['range']['min'] = array(
    '#type' => 'textfield',
    '#title' => t('Min value'),
    '#title_display' => 'before',
    '#default_value' => isset($node_field['settings']['range']['min']) ? $node_field['settings']['range']['min'] : NULL,
    '#description' => t('Leave blank to use max value only.'),
  );
  $form['range']['max'] = array(
    '#type' => 'textfield',
    '#title' => t('Max value'),
    '#title_display' => 'before',
    '#default_value' => isset($node_field['settings']['range']['max']) ? $node_field['settings']['range']['max'] : NULL,
    '#description' => t('Leave blank to use min value only.'),
  );
}

/**
 * Implements hook_form_alter().
 */
function node_field_range_form_node_form_alter(&$form, &$form_state) {
  if (empty($form['node_fields'])) {
    return;
  }
  foreach (element_children($form['node_fields']) as $id) {
    if (empty($form['node_fields'][$id]['#type'])) {
      continue;
    }
    if ($form['node_fields'][$id]['#type'] == 'textfield') {
      $form['node_fields'][$id]['#element_validate'] = array(
        'node_field_range_validation',
      );
      $form['node_fields'][$id]['#field_id'] = $id;
    }
    elseif ($form['node_fields'][$id]['#type'] == 'fieldset') {
      foreach (element_children($form['node_fields'][$id]) as $id_in_group) {
        if (isset($form['node_fields'][$id][$id_in_group]['#type']) && $form['node_fields'][$id][$id_in_group]['#type'] == 'textfield') {
          $form['node_fields'][$id][$id_in_group]['#element_validate'] = array(
            'node_field_range_validation',
          );
          $form['node_fields'][$id][$id_in_group]['#field_id'] = $id_in_group;
        }
      }
    }
  }
}

Functions

Name	Description
node_field_range_form_node_form_alter	Implements hook_form_alter().
node_field_range_node_field_settings_alter	Implements hook_node_field_settings_alter().