/**
* Function: main
*
* Creates a graph using the API and converts it into a PNG image.
*/
function main()
{
// Creates graph with model
$model = new mxGraphModel();
$graph = new mxGraph($model);
$parent = $graph->getDefaultParent();
// Adds cells into the model
$model->beginUpdate();
try {
$v1 = $graph->insertVertex($parent, null, "Hello", 20, 20, 80, 30);
$v2 = $graph->insertVertex($parent, null, "World!", 200, 150, 80, 30);
$e1 = $graph->insertEdge($parent, null, "e1", $v1, $v2);
$e1->getGeometry()->points = array(new mxPoint(10, 10));
$v3 = $graph->insertVertex($e1, null, "v3", 0, 0, 40, 40, "shape=ellipse");
$v3->getGeometry()->relative = true;
$v3->getGeometry()->offset = new mxPoint(-20, -20);
$model->add($parent, $e1, 0);
} catch (Exception $e) {
$model->endUpdate();
throw $e;
}
$model->endUpdate();
$doc = mxUtils::createXmlDocument();
$enc = new mxCodec($doc);
$node = $enc->encode($model);
$xml1 = $doc->saveXML($node);
$doc = mxUtils::parseXml($xml1);
$dec = new mxCodec($doc);
$dec->decode($doc->documentElement, $model);
$doc = mxUtils::createXmlDocument();
$enc = new mxCodec($doc);
$node = $enc->encode($model);
$xml2 = $doc->saveXML($node);
if ($xml1 == $xml2) {
echo "Test Passed: " . htmlentities($xml1);
} else {
echo "Test Failed: <br>xml1=" . htmlentities($xml1) . "<br>xml2=" . htmlentities($xml2);
}
}
return $n == "Folder" || $n == "Stock" || $n == "Converter" || $n == "Parameter" || $n == "Link" || $n == "Flow" || $n == "Setting";
}
function connectionValue($cell)
{
if (is_null($cell) || $cell->value->nodeName == "Folder") {
return "";
} else {
return $cell->id;
}
}
function getID($value)
{
return $value->id;
}
$graph = new mxGraph();
$insightdoc = mxUtils::parseXml($modelData);
$insightdec = new mxCodec($insightdoc);
$insightdec->decode($insightdoc->documentElement, $graph->model);
function orig($cell)
{
if (is_null($cell) || $cell->value->nodeName == "Picture") {
return null;
}
if ($cell->value->nodeName == "Ghost") {
global $graph;
$cellTab = $graph->model->getCells();
return $cellTab[$cell->getAttribute("Source")];
} else {
return $cell;
}
}
// Deletes existing buffer
if (is_file($filename)) {
unlink($filename);
}
touch($filename);
touch($filename . ".timestamp");
chmod($filename, 0777);
} else {
// Gets the XML parameter from the POST request and converts all linefeeds
// into a HTML entity. This is required for correct handling of the XML on
// the client side.
if (isset($_POST["xml"])) {
$xml = str_replace("\n", "
", stripslashes($_POST["xml"]));
// TODO: Take only the edits from the XML
$edits = "";
$doc = mxUtils::parseXml($xml);
$child = $doc->documentElement;
if ($child->nodeName == "message") {
$child = $child->firstChild;
while ($child != null) {
if ($child->nodeName == "delta") {
$edit = $child->firstChild;
while ($edit != null) {
if ($edit->nodeName == "edit") {
$edits .= $doc->saveXML($edit);
}
$edit = $edit->nextSibling;
}
}
$child = $child->nextSibling;
}