<?php
/**
 * MapMenu
 *
 * $Id$
 *
 * 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: a list of map definitions within a given repository folder
 *****************************************************************************/

include ("Common.php");
if(InitializationErrorOccurred())
{
    DisplayInitializationErrorText();
    exit;
}
include('../../../common/php/Utilities.php');

//Get the folder to search within
$root = (isset($_REQUEST['folder']))?$_REQUEST['folder']:'Library://';
$rootId = new MgResourceIdentifier($root);

//Enumerate elements of type MapDefinition
$maps = $resourceService->EnumerateResources($rootId, -1, 'MapDefinition');

//make a list of maps to query for names
$mapListXml = new DOMDocument();
$mapListXml->loadXML(ByteReaderToString($maps));
//$aMapAssoc = Array();
$aMapIds = $mapListXml->getElementsByTagName('ResourceId');

//iterate over mapIds to retrieve names
//output map list as JSON
$result = NULL;

$result->maps = array();
for ( $i=0; $i < $aMapIds->length; $i++ ) {
    $mapId = new MgResourceIdentifier($aMapIds->item($i)->nodeValue);
    $md = NULL;
    $md->path = $aMapIds->item($i)->nodeValue;
    $md->name = $mapId->GetName();
    array_push($result->maps, $md);
}

header('Content-type: application/json');
echo var2json($result);
exit;

function ByteReaderToString($byteReader)
{
    $buffer = '';
    do
    {
        $data = str_pad("\0", 50000, "\0");
        $len = $byteReader->Read($data, 50000);
        if ($len > 0)
        {
            $buffer = $buffer . substr($data, 0, $len);
        }
    } while ($len > 0);

    return $buffer;
}

?>