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// Copyright (C) 2004-2011 by Autodesk, Inc.
//
// This library is free software; you can redistribute it and/or
// modify it under the terms of version 2.1 of the GNU Lesser
// General Public License as published by the Free Software Foundation.
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// This library is distributed in the hope that it will be useful,
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// Lesser General Public License for more details.
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<html>
<head>
<title>Viewer Sample Application - Server-side Selection</title>
<meta content="text/html; charset=utf-8" http-equiv="Content-Type">
<meta http-equiv="content-script-type" content="text/javascript" />
<meta http-equiv="content-style-type" content="text/css" />
<link href="../styles/globalStyles.css" rel="stylesheet" type="text/css">
<link href="../styles/otherStyles.css" rel="stylesheet" type="text/css">
</head>
<body class="AppFrame" onLoad="OnPageLoad()">
<h1 class="AppHeading">Select features</h1>
<?php
include '../common/common.php';
$args = ($_SERVER['REQUEST_METHOD'] == "POST")? $_POST : $_GET;
$sessionId = $args['SESSION'];
$mapName = $args['MAPNAME'];
$selectionXml = '';
$idName = "";
$geomName = "";
try
{
// Initialize the Web Extensions and connect to the Server using
// the Web Extensions session identifier stored in PHP session state.
MgInitializeWebTier ($webconfigFilePath);
$userInfo = new MgUserInformation($sessionId);
$siteConnection = new MgSiteConnection();
$siteConnection->Open($userInfo);
$map = new MgMap($siteConnection);
$map->Open($mapName);
// Get the geometry for the boundaries of District 6
$layer = $map->GetLayers()->GetItem('Districts');
$districtQuery = new MgFeatureQueryOptions();
$districtQuery->SetFilter("ID = '6'"); //ID property is string
$featureReader = $layer->SelectFeatures($districtQuery);
$featureReader->ReadNext();
$districtGeometryData = $featureReader->GetGeometry($layer->GetFeatureGeometryName());
// Convert the AGF binary data to MgGeometry.
$agfReaderWriter = new MgAgfReaderWriter();
$districtGeometry = $agfReaderWriter->Read($districtGeometryData);
// Create a filter to select the desired features. Combine
// a basic filter and a spatial filter.
$queryOptions = new MgFeatureQueryOptions();
$queryOptions->SetFilter("RNAME LIKE 'SCHMITT%'");
$queryOptions->SetSpatialFilter('SHPGEOM', $districtGeometry, MgFeatureSpatialOperations::Inside);
// Get the features from the feature source,
// turn it into a selection, then save the selection as XML.
$layer = $map->GetLayers()->GetItem('Parcels');
$featureReader = $layer->SelectFeatures($queryOptions);
$layer = $map->GetLayers()->GetItem('Parcels');
$selection = new MgSelection($map);
$selection->AddFeatures($layer, $featureReader, 0);
$selectionXml = $selection->ToXml();
echo 'Selecting parcels owned by Schmitt in District 6';
}
catch (MgException $e)
{
echo $e->GetExceptionMessage();
echo $e->GetDetails();
}
?>
</body>
<script language="javascript">
<!-- Emit this function and assocate it with the onLoad event for the -->
<!-- page so that it gets executed when this page loads in the -->
<!-- browser. The function calls the SetSelectionXML method on the -->
<!-- Viewer Frame, which updates the current selection on the viewer -->
<!-- and the server. -->
function OnPageLoad()
{
selectionXml = '<?php echo $selectionXml; ?>';
parent.parent.SetSelectionXML(selectionXml);
}
</script>
</html>