protected void Page_Load(object sender, EventArgs e)
{
// Creates an instance of a graph to add vertices and edges. The instance can
// then be used to create the corresponding XML using a codec. Note that this
// is only required if a graph is programmatically created. If the XML for the
// graph is already at hand, it can be sent directly here.
mxGraph graph = new mxGraph();
Object parent = graph.GetDefaultParent();
// Adds vertices and edges to the graph.
graph.Model.BeginUpdate();
try
{
Object v1 = graph.InsertVertex(parent, null, "Hello,", 20, 20, 80, 30);
Object v2 = graph.InsertVertex(parent, null, "World!", 200, 150, 80, 30);
Object e1 = graph.InsertEdge(parent, null, "Edge", v1, v2);
}
finally
{
graph.Model.EndUpdate();
}
// Encodes the model into XML and passes the resulting XML string into a page
// variable, so it can be read when the page is rendered on the server. Note
// that the page instance is destroyed after the page was sent to the client.
mxCodec codec = new mxCodec();
Xml = mxUtils.GetXml(codec.Encode(graph.Model));
}
public static XmlDocument ModelToXML(this mxGraph mx_graph)
{
var doc = new XmlDocument();
mxCodec codec = new mxCodec();
XmlNode node = codec.Encode(mx_graph.Model);
doc.LoadXml(node.OuterXml);
return(doc);
}
public void MXGraphTest()
{
log.logStartPhase("MXGraph", "Texting Draw.io create/load/save");
folderNode rootNode = new folderNode();
rootNode.AttachSubfolders();
var dgml = new DirectedGraph();
dgml.Populate <folderNode>(rootNode, x => x,
x => x.path,
x => x.caption,
true,
false);
mxGraph mxg = directedGraphToMXGraph.ConvertToMXGraph(dgml);
String drawio_path = folderResults.pathFor("MXGraphTest.drawio", imbSCI.Data.enums.getWritableFileMode.overwrite, "Resaving loaded DMGL object");
String drawio_jpg = folderResults.pathFor("MXGraphTest.jpg", imbSCI.Data.enums.getWritableFileMode.overwrite, "Resaving loaded DMGL object");
Image img = mxCellRenderer.CreateImage(mxg, mxg.GetChildCells(mxg, false, false), 1.0, Color.LightGray, true, new mxRectangle(0, 0, 1000, 500));
img.Save(drawio_jpg, ImageFormat.Jpeg);
var doc = new XmlDocument();
mxCodec codec = new mxCodec();
XmlNode node = codec.Encode(mxg.Model);
doc.LoadXml(node.OuterXml);
doc.Save(drawio_path);
log.logEndPhase();
}
public static void Main()
{
// Creates graph with model
mxGraph graph = new mxGraph();
// Adds cells into the model
Object parent = graph.GetDefaultParent();
graph.Model.BeginUpdate();
Object v1, v2, e1;
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);
}
finally
{
graph.Model.EndUpdate();
}
mxCodec codec = new mxCodec();
XmlNode node = codec.Encode(graph.Model);
string xml1 = mxUtils.GetPrettyXml(node);
codec = new mxCodec();
Object model = codec.Decode(node);
codec = new mxCodec();
node = codec.Encode(model);
string xml2 = mxUtils.GetPrettyXml(node);
Console.WriteLine("mxCodecTest Passed: " + (xml1.Equals(xml2)));
Thread.Sleep(100000);
}
public static void LoadModelFromXml(this mxGraph mx_graph, XmlDocument xml)
{
mxCodec codec = new mxCodec(xml);
codec.Decode(xml.DocumentElement, mx_graph.Model);
}
