Thank you for your help!
I'm seeing that the code you posted is very similar to the buffer
code, however I'm really new to MapGuide, so I hope you can help
me understanding how to make it work.
I created a Layout, using MapGuide Studio, on which I added a new
custom command for the Task panel, named "Route tracing".
Therefore I created the route_tracing.jsp file, on which I'm
trying to use your code (translating it from PHP to JSP) or the
buffer.jsp code (which is already in JSP).
On both your code and buffer.jsp there is this code:
mapName = GetParameter(request, "MAPNAME");
sessionId = GetParameter(request, "SESSION");
- The question is: how can I pass the MAPNAME and SESSION values
to the web page?
The final result should be a web page, which opens when its Action
Task item is clicked, on which I can select and digit some
options. After clicking a button the page should get these values,
and display the map with the calculated additional layer on it.
I hope you can help me about that
Cheers
Carmelo
----- Original Message ----- From: "Arnaud De Groof"
<[email protected]>
To: "MapGuide Users Mail List" <[email protected]>
Sent: Monday, January 12, 2009 4:18 PM
Subject: RE: [mapguide-users] Adding a temporary Layer in MapGuide
The first code :
<?php
// Vital includes.
include "../../mapviewerphp/constants.php";
include "../../mapviewerphp/common.php";
$args = ($_SERVER['REQUEST_METHOD'] == "POST") ? $_POST : $_GET;
$sessionId = $args['SESSION'];
$mapName = $args['MAPNAME'];
$layerName1 = 'YYY';
$rlLayerResourceId = "Library://XXX/$layerName1.LayerDefinition";
InitializeWebTier();
$userInfo = new MgUserInformation($sessionId);
$siteConnection = new MgSiteConnection();
$siteConnection->Open($userInfo);
$resourceService =
$siteConnection->CreateService(MgServiceType::ResourceService);
// Read the MapDefinition into an XML DOM document object.
$md = " Library://XXX/$mapName.MapDefinition "; // TODO Constant!
$mdResourceId = new MgResourceIdentifier($md);
$mdReader = $resourceService->GetResourceContent($mdResourceId);
$mdXml = $mdReader->ToString();
$mdDomDoc = DOMDocument::loadXML($mdXml);
// Add a new MapLayer
$targetNode = $mdDomDoc->getElementsByTagName("MapLayer")->item(0);
$newNode = $targetNode->parentNode->insertBefore(new
DOMElement("MapLayer"), $targetNode);
$newNode->appendChild($mdDomDoc->createElement("Name", $layerName1));
$newNode->appendChild($mdDomDoc->createElement("ResourceId",
$rlLayerResourceId));
$newNode->appendChild($mdDomDoc->createElement("Selectable",
"false"));
$newNode->appendChild($mdDomDoc->createElement("ShowInLegend",
"false"));
$newNode->appendChild($mdDomDoc->createElement("LegendLabel"));
$newNode->appendChild($mdDomDoc->createElement("ExpandInLegend",
"false"));
$newNode->appendChild($mdDomDoc->createElement("Visible", "true"));
$newNode->appendChild($mdDomDoc->createElement("Group"));
// Save the updated MapDefinition
$updatedXml = $mdDomDoc->saveXML();
$byteSource = new MgByteSource($updatedXml, strlen($updatedXml));
// Create the temporary MapDefinition
$sessionMapName = $mdResourceId->GetName();
$sessionMapDefinition =
"Session:$sessionId//$sessionMapName.MapDefinition";
$sessionResourceId = new MgResourceIdentifier($sessionMapDefinition);
// Write the updated MapDefinition
$resourceService->SetResource($sessionResourceId,
$byteSource->GetReader(), null);
//Test the updated MapDefinition
$md1 = "Session:$sessionId//X.MapDefinition";
$mdResourceId2 = new MgResourceIdentifier($md1);
$mdReader2 = $resourceService->GetResourceContent($mdResourceId2);
$mdXml2 = $mdReader2->ToString();
$mdDomDoc2 = DOMDocument::loadXML($mdXml2);
// Read the WebLayout into an XML DOM document object.
$wl = "Library://XXX/XXX.WebLayout"; // TODO Constant!
$wlResourceId = new MgResourceIdentifier($wl);
$wlReader = $resourceService->GetResourceContent($wlResourceId);
$wlXml = $wlReader->ToString();
$wlDomDoc = DOMDocument::loadXML($wlXml);
// Now, update the MapDefinition.
$mapdef = $wlDomDoc->getElementsByTagName("ResourceId")->item(0);
$mapdef->nodeValue = "$md1";
// Prepare the updated XML to be written out to the session.
$wlupdatedXml = $wlDomDoc->saveXML();
$wlbyteSource = new MgByteSource($wlupdatedXml,
strlen($wlupdatedXml));
// Create a temporary WebLayout
$wlsessionMapName = $wlResourceId->GetName();
$wlsessionWebLayout =
"Session:$sessionId//$wlsessionMapName.WebLayout";
$wlsessionResourceId = new MgResourceIdentifier($wlsessionWebLayout);
// Write the updated WebLayout to the session.
$resourceService->SetResource($wlsessionResourceId,
$wlbyteSource->GetReader(), null);
// Redirect to the Ajax viewer.
$redirectTo =
"mapguide/mapviewerajax/?SESSION=$sessionId&WEBLAYOUT=$wlsessionWebLayou
t";
$host = $_SERVER["HTTP_HOST"];
$url = "http://$host/$redirectTo";;
//Test
$f = 'test.txt';
$handle = fopen($f,"w");
fwrite($handle, "test1:<".$mdXml.">\r\ntest 2
:<".$updatedXml.">\r\ntest
3 :<".$wlXml.">\r\ntest 4 :<".$wlupdatedXml.">\r\ntest 5
:<".$url.">");
fclose($handle);
// Redirect!
header("Location: $url");
exit;
?>
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