<?php

/**********************************************************************
 * Copyright (C) 2006 The Wikigraphe Team
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
 *
 * See also http://www.fsf.org
 *********************************************************************/

save_rectangles();
/* XXX: we assume the save was successful and output no feedback */
$_GET['title'] = $_POST['title'];
$_GET['mode'] = 'view'; /* change the mode so that we end up in view after save */

/** Unserializes a rectangle written in a hidden field. */
function &unserializeRectangle($str) {
  $str = str_replace('px','',$str);
  $arr = explode(',',$str);
  $rect =& new Rectangle($arr[0], $arr[1], $arr[2], $arr[3], $arr[4], $arr[5]);
  return $rect;
}

function save_rectangles() {
	global $_POST;
	global $DB;
	
	 /**
       * Insert all zones into DB.
       */
      list($width, $height, $type, $attr) = getimagesize($_POST['image_src']);

      $map =& new ImageMap($width, $height);
      
      foreach ($_POST as $k => $val) {
        if (substr($k, 0, 5) == "save_") {
          $r =& unserializeRectangle($val);
          $map->addRectangle($r);
          /* Now save the link relationship */
          $from = validate_name($_POST['title']);
          $to = $r->getLink(RECTANGLE_RAW_LINK);
          // TODO: the from and to links are never removed
          $sql = sprintf("INSERT INTO `link` SET `from`='%s', `to`='%s'", $from, $to);

          $result = $DB->query($sql);

          if (PEAR::isError($result)) {
            echo 'Standard Message: ' . $result->getMessage() . "\n";
            echo 'Standard Code: ' . $result->getCode() . "\n";
            echo 'DBMS/User Message: ' . $result->getUserInfo() . "\n";
            echo 'DBMS/Debug Message: ' . $result->getDebugInfo() . "\n";
            exit;
          }
        }
      }

      /** Perform sql query */
      $validated_title = validate_name($_POST['title']);
      $sql = sprintf("SELECT COUNT(*) FROM `node` WHERE `title`='%s'", $validated_title);
      $result = $DB->getOne($sql);

      if ($result == 0) {
        $sql = sprintf("INSERT INTO `%s` SET title='%s', map='%s'", 'node', $validated_title, mysql_escape_string($map->serialize()));
      } else {
        $sql = sprintf("UPDATE `%s` SET map='%s' WHERE title='%s'", 'node', mysql_escape_string($map->serialize()), $validated_title);
      }
      $result = $DB->query($sql);
}

?>