<?php
// $Id: features.filter.inc,v 1.1.2.5 2009/08/27 18:05:48 jmiccolis Exp $

/**
 * Implementation of hook_features_api().
 */
function variable_features_api() {
  return array(
    'variable' => array(
    ),
  );
}

/**
 * Implementation of hook_features_export_options
 * 
 * We allow atm only module related variables
 * 
 * @return array of key/value pairs
 */
function variable_features_export_options() {
	return module_list();
}

/**
 * Implementation of hook_features_export().
 */
function variable_features_export($data, &$export, $module_name = '') {
  $export['features']['variable']=_variable_fetch_list($module_name);

  $pipe = array();
  return $pipe;
}

/**
 * Implementation of hook_features_export_render().
 */
function variable_features_export_render($module = '', $data) {
  $code = array();
  $code[] = '  $variables = array();';
  $code[] = '';

  $variables=_variable_fetch_list();
  foreach ($variables as $name => $value) {
    if (in_array($name, $data)) {
      $code[] = '  $variables["'. $name . '"]= ' . features_var_export($value, '  ') . ';';
    }
  }

  $code[] = '  return $variables;';
  $code = implode("\n", $code);
  return array('variable_default_values' => $code);
}

/**
 * Implementation of hook_features_revert().
 */
function variable_features_revert($module = NULL) {
	// ???
  return TRUE;
}

/**
 * Implementation of hook_features_rebuild().
 */
function variable_features_rebuild() {
  $defaults = module_invoke_all('filter_default_formats');
  foreach ($defaults as $format) {
//    _filter_features_update($format, FALSE);
  }
}

function _variable_fetch_list($module='') {
	$list=array();
  $sql = "SELECT name, value FROM variables";
  if ($module_name) {
    $sql .= " WHERE name LIKE '$module_name%'";
  }
  $result = db_query($sql);
  while ($record = db_fetch_array($result)) {
    $list[$record['name']] = unserialize($record['value']);
  }
  return $list;
}