<?php
# $Id$
# http://www.mapbender.org/index.php/mod_forward.php
# Copyright (C) 2002 CCGIS 
#
# 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, or (at your option)
# 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.

require_once(dirname(__FILE__)."/../php/mb_validateSession.php");
echo "var mod_forward_map = '".$e_target[0]."';";
echo "var mod_forward_overview = '".$e_target[1]."';";

?>
var mb_MapFutureObj = new Array();
var mod_forward_img_off = new Image(); 
mod_forward_img_off.src = "<?php  echo preg_replace("/_off_disabled/","_off",$e_src);?>";
var mod_forward_img_off_disabled = new Image(); 
mod_forward_img_off_disabled.src = "<?php  echo $e_src;  ?>";
var mod_forward_img_over = new Image(); 
mod_forward_img_over.src = "<?php  echo preg_replace("/_off_disabled/","_over",$e_src);?>";
var mod_forward_img_previous = mod_forward_img_off_disabled.src;
var mod_forward_cnt = 0;
var mod_forward_hist_cnt = 0;
mb_registerSubFunctions("mod_forward_check(frameName)");

function mod_forward_check(frameName){
	if(mb_MapFutureObj[frameName] == null){
		mb_MapFutureObj[frameName] = new Array();
	}
	if(frameName == mod_forward_map){
		if(mb_MapFutureObj[mod_forward_map].length > 0){
			document.getElementById("forward").src =  mod_forward_img_off.src;
		}
		else{
			document.getElementById("forward").src =  mod_forward_img_off_disabled.src;
			mod_forward_img_previous = document.getElementById("forward").src;
		}
	}
	if(mb_MapHistoryObj[mod_forward_map]){
		if(mb_MapHistoryObj[mod_forward_map].length > mod_forward_hist_cnt && mb_MapFutureObj[mod_forward_map].length == mod_forward_cnt){
			mod_forward_reset();
		}
		mod_forward_cnt = mb_MapFutureObj[mod_forward_map].length;
		mod_forward_hist_cnt = mb_MapHistoryObj[mod_forward_map].length;
	}
}
function mod_forward_reset(){
	if(mb_MapHistoryObj[mod_forward_map].length > 0){
		mb_MapFutureObj[mod_forward_map] = new Array();
		document.getElementById("forward").src =  mod_forward_img_off_disabled.src;
		mod_forward_img_previous = document.getElementById("forward").src;
	}
}
function mod_forward_over(obj){
	mod_forward_img_previous = document.getElementById("forward").src;
	if(document.getElementById("forward").src ==  mod_forward_img_off.src){
		document.getElementById("forward").src = mod_forward_img_over.src;
	}
}
function mod_forward_out(obj){
	document.getElementById("forward").src  = mod_forward_img_previous;
}
function mod_forward_set(){
	if(mod_forward_img_previous ==  mod_forward_img_off.src){
		var ind = getMapObjIndexByName(mod_forward_map);
		var cnt = mb_MapFutureObj[mod_forward_map].length - 1;
		if(mb_mapObj[ind].epsg != mb_MapFutureObj[mod_forward_map][cnt].epsg){
			var oind = getMapObjIndexByName(mod_forward_overview);
			for(var i=0; i<mb_MapHistoryObj[mod_forward_overview].length; i++){
				if(mb_MapHistoryObj[mod_forward_overview][i].epsg == mb_MapFutureObj[mod_forward_map][cnt].epsg){
					mb_mapObj[oind].epsg = mb_MapHistoryObj[mod_forward_overview][i].epsg;
					mb_mapObj[oind].extent = mb_MapHistoryObj[mod_forward_overview][i].extent;
					setMapRequest(mod_forward_overview);
					break;
				}
			}
		}
		document.getElementById(mod_forward_map).style.width = mb_MapFutureObj[mod_forward_map][cnt].width;
		document.getElementById(mod_forward_map).style.height = mb_MapFutureObj[mod_forward_map][cnt].height;     
		mb_mapObj[ind].width = mb_MapFutureObj[mod_forward_map][cnt].width;
		mb_mapObj[ind].height = mb_MapFutureObj[mod_forward_map][cnt].height;
		mb_mapObj[ind].epsg = mb_MapFutureObj[mod_forward_map][cnt].epsg;
		mb_mapObj[ind].extent = mb_MapFutureObj[mod_forward_map][cnt].extent;
		mb_mapObj[ind].layers = mb_MapFutureObj[mod_forward_map][cnt].layers;
		mb_mapObj[ind].styles = mb_MapFutureObj[mod_forward_map][cnt].styles;
		mb_mapObj[ind].querylayers = mb_MapFutureObj[mod_forward_map][cnt].querylayers;
		mb_MapFutureObj[mod_forward_map].length = (mb_MapFutureObj[mod_forward_map].length - 1);
		setMapRequest(mod_forward_map);
	}
}
function mb_setFutureObj(frameName){
	var ind = getMapObjIndexByName(frameName);
	var cnt = mb_MapFutureObj[frameName].length;
	mb_MapFutureObj[frameName][cnt] = new Object();
	mb_MapFutureObj[frameName][cnt].reqCnt = mod_back_cnt;
	mb_MapFutureObj[frameName][cnt].width = mb_mapObj[ind].width;
	mb_MapFutureObj[frameName][cnt].height = mb_mapObj[ind].height;
	mb_MapFutureObj[frameName][cnt].epsg = mb_mapObj[ind].epsg;
	mb_MapFutureObj[frameName][cnt].extent = mb_mapObj[ind].extent;
	mb_MapFutureObj[frameName][cnt].layers = new Array();
	for(var i=0; i<mb_mapObj[ind].layers.length;i++){
		mb_MapFutureObj[frameName][cnt].layers[i] = mb_mapObj[ind].layers[i];
	}
	mb_MapFutureObj[frameName][cnt].styles = new Array();
	for(var i=0; i<mb_mapObj[ind].styles.length;i++){
		mb_MapFutureObj[frameName][cnt].styles[i] = mb_mapObj[ind].styles[i];
	}
	mb_MapFutureObj[frameName][cnt].querylayers = new Array();
	for(var i=0; i<mb_mapObj[ind].querylayers.length;i++){
		mb_MapFutureObj[frameName][cnt].querylayers[i] = mb_mapObj[ind].querylayers[i];
	}
}