<?php
// $Id: ttext.module,v 1.1.2.1 2007-02-11 15:45:22 jareyero Exp $

/**
 * @file
 * Defines simple ttext field types.
 */

/**
 * Implementation of hook_field_info().
 */
function ttext_field_info() {
  return array(
    'ttext' => array('label' => 'Translatable Text'),
  );
}

/**
 * Implementation of hook_field_settings().
 */
function ttext_field_settings($op, $field) {
  //drupal_set_message("DEBUG: ttext_field_settings op=$op");
  switch ($op) {
    case 'database columns':
      return;
    default:
      return text_field_settings($op, $field);
  }
}

/**
 * Implementation of hook_field().
 */
function ttext_field($op, &$node, $field, &$node_field, $teaser, $page) {
  $fieldname = $field['field_name'];
  //drupal_set_message("DEBUG: ttext_field $op, name = $fieldname");
  switch ($op) {
    case 'validate':
      return text_field($op, $node, $field, $node_field, $teaser, $page);
    case 'update':
      foreach($node_field as $delta => $item) {
        db_query("DELETE FROM {node_data_field_ttext} WHERE nid = %d AND vid = %d AND name = '%s' AND language = '%s' AND delta = %d", $node->nid, $node->vid, $fieldname, i18n_get_lang(), $delta);
      }
      //db_query("UPDATE {node_data_field_ttext} SET value = '%s' WHERE nid = %d AND vid = %d AND name = '%s' AND language = '%s' AND delta = %d", $value, $node->nid, $node->vid, $fieldname, i18n_get_lang(), $delta);
      // Intentional no break    
    case 'insert':
      foreach($node_field as $delta => $item) {
        db_query("INSERT INTO {node_data_field_ttext}(nid, vid, name, language, delta, value) VALUES(%d, %d, '%s', '%s', %d, '%s')", $node->nid, $node->vid, $fieldname, i18n_get_lang(), $delta, $item['value']);
      }
      break;

    case 'load':
      $result = db_query("SELECT delta, value FROM {node_data_field_ttext} WHERE nid = %d AND vid = %d AND name = '%s' AND language = '%s' AND delta = %d", $node->nid, $node->vid, $fieldname, i18n_get_lang());
      while($data = db_fetch_object($result)) {
        $node_field[$data->delta]['value'] = $data->value;
      }
      return array($fieldname => $node_field);
    case 'delete':
      break;
  }
}

/**
 * Implementation of hook_field_formatter_info().
 */
/**
 * Implementation of hook_field_formatter_info().
 */
function ttext_field_formatter_info() {
  return array(
    'default' => array(
      'label' => 'Default',
      'field types' => array('ttext'),
    ),
    'plain' => array(
      'label' => 'Plain text',
      'field types' => array('ttext'),
    ),
    'trimmed' => array(
      'label' => 'Trimmed',
      'field types' => array('ttext'),
    ),
  );
}

/**
 * Implementation of hook_field_formatter().
 *
 * The $node argument is necessary so that filter access can be checked on
 * node preview.
 */
function ttext_field_formatter($field, $item, $formatter, $node) {
  drupal_set_message('ttext_field_formatter: '. $item['value']);
  if (!isset($item['value'])) {
    return '';
  }

  if ($allowed_values = ttext_allowed_values($field)) {
    return $allowed_values[$item['value']];
  }

  if ($field['ttext_processing']) {
    $ttext = check_markup($item['value'], $item['format'], is_null($node) || isset($node->in_preview));
  }
  else {
    $ttext = check_plain($item['value']);
  }

  switch ($formatter) {
    case 'plain':
      return strip_tags($ttext);

    case 'trimmed':
      return node_teaser($ttext, $field['ttext_processing'] ? $item['format'] : NULL);

    default:
      return $ttext;
  }
}


/**
 * Implementation of hook_widget_info().
 */
function ttext_widget_info() {
  return array(
    'ttext' => array(
      'label' => 'Translatable Text Field',
      'field types' => array('ttext'),
    ),
  );
}

/**
 * Implementation of hook_widget_settings().
 */
function ttext_widget_settings($op, $widget) {
  drupal_set_message("ttext_widget_settings: $op");
  return text_widget_settings($op, $widget);
}


/**
 * Implementation of hook_widget().
 */
function ttext_widget($op, &$node, $field, &$items) {
  drupal_set_message("ttext_widget: op=$op");
  return text_widget($op, &$node, $field, &$items);
}

/**
 *  Create an array of the allowed values for this field
 */
function ttext_allowed_values($field) {
  return text_allowed_values($field);
}