<?php

/**********************************************************************
 * Copyright (C) 2006 L'�uipe Wikigraphe
 *
 * 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
 *********************************************************************/

/** Common includes for the WIkiGraphe application */
require_once("php/bin/wikigraphe_common.php");
require_once("php/validation.php");

/** WikiGraphe libraries for this script */
require_once("php/ImageMap.inc.php");
require_once("php/Rectangle.inc.php");

/* save a new image if requested */
if (isset($_POST['image_save'])) { 
	require_once("php/bin/save_image.php");
}

/* save rectangles if requested */
if (isset($_POST['rect_save'])) {  /* if this would be save_rect, it would be considered as a new square! */
	require_once("php/bin/save_rect.php");
}

/** ImageNode */
$title = empty($_GET['title']) ? 'FrontPage' : @$_GET['title']; 
$title = validate_name($title);
// todo : change default page for HomePage
$tpl->assign('title', $title);
$tpl->assign('pagetitle', htmlentities($title));

/* Mode */
$mode = @$_GET['mode'];

/** 
 * Get image and its map from DB 
 */

$result = $DB->getRow("SELECT * FROM node WHERE title = '$title' LIMIT 1");
if (DB::isError($result)) {
	echo($result->getMessage());
}


if (empty($result['image'])) {
	$image_src = NULL;
} else {
	$image_src = IMAGE_DIR . $result['image'];
}

if (empty($result['map'])) {
	if (!empty($result['image'])) {
		list($width, $height, $type, $attr) = getimagesize($image_src);
		$map = new ImageMap($width, $height);		
	} else {
		$map = new ImageMap(MAX_IMAGEMAP_WIDTH, MAX_IMAGEMAP_HEIGHT);
	}
}
else {
	$map = @unserialize($result['map']);
	if ($map === FALSE) {
		echo "unserialize error. serialized = " . $result['map'];
	}
}
 
$tpl->assign('image_src', $image_src);
$tpl->assign('image', $result['image']);
$tpl->assign('self', $_SERVER['PHP_SELF']);
$tpl->assign('rectangles', $map->getRectangles()); //[0]
$tpl->assign('map', $map);

/* default values, in order to get no error */
$tpl->assign('header', '');
$tpl->assign('onload', '');
$tpl->assign('map_html', '');
$tpl->assign('map_name', '');

/** Mode */
if ('edit' === $mode || !file_exists($image_src)) {
	/* edit mode */
	$tpl->assign('content', $tpl->fetch('edit.tpl.php')); 
} elseif ('rect' === $mode) {
	$tpl->assign('onload', 'onload="init()"');
	$tpl->assign('header', $tpl->fetch('rect.header.tpl.php')); 
	$tpl->assign('content', $tpl->fetch('rect.tpl.php')); 
} elseif ('backlinks' === $mode) {
	/* backlinks mode */
	$result = $DB->getCol("SELECT distinct `from` FROM link WHERE `to` = '$title'");
	if (DB::isError($result)) {
		echo($result->getMessage());
	}
	$tpl->assign('backlinks', $result);
	$tpl->assign('content', $tpl->fetch('backlinks.tpl.php')); 
} elseif ('delete' == $mode) {
	/* delete mode */
	$tpl->assign('onload', 'onload="init()"');
	$tpl->assign('header', $tpl->fetch('delete.header.tpl.php')); 
	$tpl->assign('content', $tpl->fetch('delete.tpl.php')); 	
} else { 
	/* view mode */ 
	$tpl->assign('map_name', $map->getName());
	$tpl->assign('map_html', $map->getHTML());
	$tpl->assign('content', $tpl->fetch('view.tpl.php')); 
}

/** display page */
$tpl->display("index.tpl.php");

/** done */

?>