<?php
/**
 * Query
 *
 * $Id$
 *
 * Copyright (c) 2007, DM Solutions Group Inc.
 * Permission is hereby granted, free of charge, to any person obtaining a
 * copy of this software and associated documentation files (the "Software"),
 * to deal in the Software without restriction, including without limitation
 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
 * and/or sell copies of the Software, and to permit persons to whom the
 * Software is furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included
 * in all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
 * DEALINGS IN THE SOFTWARE.
 */

/*****************************************************************************
 * Purpose: create a new selection based on one or more attribute filters and
 *          a spatial filter
 *****************************************************************************/


header('Content-type: text/x-json');
header('X-JSON: true');
echo "{";

try {
    /* set up the session */
    include ("Common.php");
    include('../../common/php/Utilities.php');
    include('Utilities.php');

	/* the name of the layer in the map to query */
	if ($_REQUEST['layerindex'] != '') {
		$layers = explode(',',$_REQUEST['layerindex']);
	} else {
		$layers = array();
	}

    /* open the map from the session using the provided map name.  The map was
       previously created by calling LoadMap. */
    $map = new MgMap();
    $map->Open($resourceService, $mapName);
	$mapLayers = $map->GetLayers();
	
	
	$nIndex = count($layers);
	$nLayers = $mapLayers->GetCount();
    for ($i=0; $i<$nLayers; $i++) {
		if ($layers[$i] == $i) {
			continue;
		}
		$found = -1;
		for ($j=$i+1; $j<$nIndex; ++$j) {
			if ($layers[$j] == $i) {
				$found = $j;
				break;
			}
		}
		if ($found >= 0) {
			$layerToMove = $mapLayers->GetItem($i);
			//$layerDef = $layerToMove->GetLayerDefinition();
			//$mapLayers->Insert($found, new MgLayerBase($layerDef,$resourceService));
			$mapLayers->RemoveAt($i);
			$mapLayers->Insert($found, $layerToMove);
		} else {
			$mapLayers->RemoveAt($i);
		}
		break;
	}
	/*
	$nLayers = count($layers);
	$layerDefs = array();
    for ($i=0; $i<$nLayers; $i++) {
		$layer = $mapLayers->GetItem($layers[$i]);
		array_push($layerDefs, $layer->GetLayerDefinition() );
	}
	$mapLayers->Clear();
	
	$nLayers = count($layerDefs);
    for ($i=0; $i<$nLayers; $i++) {
		$layer = new MgLayer(new MgResourceIdentifier($layerDefs[$i]), $resourceService);
		$mapLayers->Add($layer);
	}
	*/

    $map->Save($resourceService);
    echo "success: true";
}
catch (MgException $e)
{
  echo "ERROR: '" . $e->GetMessage() . "\n";
  echo $e->GetDetails() . "\n";
  echo $e->GetStackTrace() . "',\n";
  echo "success: false, layerindex: [".$_REQUEST['layerindex']."]";
}

echo "}";
?>