73 lines
1.8 KiB
PHP
73 lines
1.8 KiB
PHP
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<?php
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/**
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* $Id: server.php,v 1.10 2011-11-30 10:12:08 gaudenz Exp $
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* Copyright (c) 2006, Gaudenz Alder
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*
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* This server handles two types of POST requests:
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*
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* - Save requests persist a graph model XML to a local file.
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* They have an xml and draft (GET) parameter. draft
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* is optional, the default value for draft is false.
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* - Show requests convert a display XML to an image
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* They have an xml and format (GET) paramter.
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* xml is the mxGraphView XML data, format
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* is one of html, png or jpg.
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*/
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// Includes the mxGraph library
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include_once("../src/mxServer.php");
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// Gets the format parameter from the URL
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$format = $_GET["format"];
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// Gets the XML parameter from the POST request
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$xml = stripslashes($_POST["xml"]);
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if (isset($xml))
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{
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// Creates an image for the given format
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if (isset($format))
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{
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// Displays a saveAs dialog on the client
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header("Content-Disposition: attachment; filename=\"diagram.$format\"");
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header("Content-Type: image/$format");
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$image = mxGraphViewImageReader::convert($xml, "#FFFFFF");
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echo mxUtils::encodeImage($image, $format);
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}
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else
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{
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// Stores the xml in a local file
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$ext = "tmp";
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if (!isset($HTTP_GET_VARS["draft"]))
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{
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$ext = "xml";
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unlink("diagram.tmp");
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}
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$filename = "diagram.$ext";
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$fh = fopen($filename, "w");
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fputs($fh, stripslashes($xml));
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fclose($fh);
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chmod($filename, 0777);
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}
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}
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else
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{
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// Sends the diagram file to the client if
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// there is a draft (tmp-file).
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$filename = "diagram.tmp";
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if (file_exists($filename))
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{
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// Avoids cache in Firefox
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header("Content-type: text/xml");
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Header("Pragma: no-cache"); #HTTP 1.0
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Header("Cache-control: private, no-cache, no-store");
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Header("Expires: 0");
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$fh=fopen($filename, "r");
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fpassthru($fh);
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fclose($fh);
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}
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}
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?>
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