<?php
# $Id$
# http://www.mapbender.org/index.php/Administration
# 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.

$filter = stripslashes($_REQUEST["filter"]);
$url = stripslashes($_REQUEST['url']);
//echo $filter; die();
require_once("../../conf/mapbender.conf");
require_once("../classes/class_stripRequest.php");
require_once("../classes/class_connector.php");

function sepNameSpace($s){
	$c = strpos($s,":"); 
	if ($c > 0){
		return substr($s,$c+1);
	}
	else{
		return $s;
	}		
}

$wfsRequest = $url . urlencode($filter);
$connection = new connector($wfsRequest);
$data = $connection->file;
if (!$data) die('wfs not available');

$geometries = array('Point', 'Polygon', 'LineString', 'MultiPolygon', 'MultiLineString');


//TODO: 
// parsing via class_gml
// add method toJSON to classGML
$parser = xml_parser_create();
xml_parser_set_option($parser,XML_OPTION_CASE_FOLDING,0);
xml_parser_set_option($parser,XML_OPTION_SKIP_WHITE,1);
xml_parser_set_option($parser,XML_OPTION_TARGET_ENCODING,CHARSET);
xml_parse_into_struct($parser,$data,$values,$tags);
xml_parser_free($parser);
$member = -1;
$section = false;
$geom = false;
$memberHasBeenCreated = false;
$str = array();
$geomtype = array();
$el = -1;
$fid = -1;

$typename = $_REQUEST["typename"];
$element_str = "";
$geom_str = "";
foreach ($values as $element) {
	if(strtoupper($element[tag]) == strtoupper("gml:featureMember") && $element[type] == "open"){
		$member++;
		$section = true;
		$cnt_geom = 0;
	}
	else if(strtoupper($element[tag]) == strtoupper($typename) && $element[type] == "open") {
		$fid = $element[attributes][fid];
	}
	else if(in_array(sepNameSpace($element[tag]),$geometries) && $element[type] == "open" && $section == true){
		$geom = true;
		if (sepNameSpace($element[tag]) == "MultiLineString") {
			$geom_str .= "geom.addMember(geomType.line);\n";
			$memberHasBeenCreated = true;
		}
		else if (sepNameSpace($element[tag]) == "MultiPolygon" ) {
			$geom_str .= "geom.addMember(geomType.polygon);\n";
			$memberHasBeenCreated = true;
		}
		elseif (sepNameSpace($element[tag]) == "Point") {
			$geom_str .= "geom.addMember(geomType.point);\n";
			$memberHasBeenCreated = true;
			$geom_str .= "geom.get(-1).addGeometry();\n";
		}
		elseif (sepNameSpace($element[tag]) == "LineString") {
			if (!$memberHasBeenCreated) {
				$geom_str .= "geom.addMember(geomType.line);\n";
				$memberHasBeenCreated = true;
			}
			$geom_str .= "geom.get(-1).addGeometry();\n";
		}
		else if (sepNameSpace($element[tag]) == "Polygon" ) {
			if (!$memberHasBeenCreated) {
				$geom_str .= "geom.addMember(geomType.polygon);\n";
				$memberHasBeenCreated = true;
			}
			$geom_str .= "geom.get(-1).addGeometry();\n";
		}
		else {
			$geom_str .= "alert('unknown geomtype ".sepNameSpace($element[tag])."');";
		}
		// TO DO: the following is added twice! Once suffices.
		$element_str .= "geom.get(" . $member . ").e.setElement('fid', '".$fid."');\n";
		$element_str .= "geom.get(" . $member . ").wfs_conf = ".$_REQUEST['wfs_conf_id'].";\n";
	}
	else if(strtoupper($element[tag]) == strtoupper("gml:coordinates") && $geom == true){
		$tmp =  str_replace(",,","",str_replace(" ",",",trim($element[value])));
		$geom_str .= "var tmp1 = '".$tmp."';\n";
		$geom_str .= "var tmp = tmp1.split(',');\n";
		$geom_str .= "for (var i = 0 ; i < tmp.length ; i+=2) {\n";
		$geom_str .= "\tgeom.getGeometry(-1,-1).addPointByCoordinates(parseFloat(tmp[i]), parseFloat(tmp[i+1]));\n";
		$geom_str .= "}\n";
		$geom_str .= "geom.close();\n";
        $cnt_geom++;
        
	}
	else if(in_array(sepNameSpace($element[tag]),$geometries) && $element[type] == "close"){			
		$geom = false;
		$memberHasBeenCreated = false;
	}
	else if($section == true && $geom == false && $element[value]){
		$el++;
		$str = $element[value];
		$element_str .= "geom.get(" . $member . ").e.setElement('".sepNameSpace($element[tag])."', '".addslashes($str)."');\n";
	}
	else if(strtoupper($element[tag]) == strtoupper("gml:featureMember") && $element[type] == "close"){
		$section = false;	
		$el = -1;			
	}
}
if ($geom_str != "") {
	$geom_str = "var geom = new GeometryArray();\n" . $geom_str;
}
header('Content-type: text/html');
echo $geom_str;
echo $element_str;
?>