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));
}
static void example1()
{
// Creates graph with model
mxGraph graph = new mxGraph();
Object parent = graph.GetDefaultParent();
// Adds cells into 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, "e1", v1, v2);
}
finally
{
graph.Model.EndUpdate();
}
// Example to save the graph in multiple images
//Image img = mxCellRenderer.CreateImage(graph, null, 1, Color.White, true, new mxRectangle(0, 0, 150, 200));
//img.Save("example1.png", ImageFormat.Png);
//Image img2 = mxCellRenderer.CreateImage(graph, null, 1, (Color?)BackColor, true, new mxRectangle(150, 0, 150, 200));
//img2.Save("example2.png", ImageFormat.Png);
}
public GraphForm()
{
// Registers custom shapes
XmlDocument doc = mxUtils.ParseXml(mxUtils.ReadFile("../../../../java/examples/com/mxgraph/examples/swing/shapes.xml"));
XmlNodeList list = doc.DocumentElement.GetElementsByTagName("shape");
for (int i = 0; i < list.Count; i++)
{
XmlElement shape = (XmlElement)list.Item(i);
mxStencilRegistry.AddStencil(shape.GetAttribute("name"),
new mxStencil(shape));
}
// Creates graph with model
mxGraph graph = new mxGraph();
Object parent = graph.GetDefaultParent();
// Adds cells into the graph
graph.Model.BeginUpdate();
try
{
Object v1 = graph.InsertVertex(parent, null, "Hello", 20, 20, 80, 30, "shape=and;fillColor=#ff0000;gradientColor=#ffffff;shadow=1");
Object v2 = graph.InsertVertex(parent, null, "World!", 200, 150, 80, 30, "shape=or;shadow=1");
Object e1 = graph.InsertEdge(parent, null, "e1", v1, v2);
}
finally
{
graph.Model.EndUpdate();
}
// Creates a component for the graph
graphControl = new GraphControl(graph);
graphControl.Dock = DockStyle.Fill;
Controls.Add(graphControl);
Size = new Size(320, 200);
}
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);
}
/// <summary>
/// Converts a <see cref="DirectedGraph"/> graph object into <see cref="mxGraph"/>
/// </summary>
/// <param name="input">The input.</param>
/// <returns></returns>
public static mxGraph ConvertToMXGraph(this DirectedGraph input)
{
// Creates graph with model
mxGraph graph = new mxGraph();
mxFastOrganicLayout layout = new mxFastOrganicLayout(graph);
Object parent = graph.GetDefaultParent();
graph.Model.BeginUpdate();
Dictionary <String, mxCell> nodeId = new Dictionary <string, mxCell>();
foreach (DGML.core.Node node in input.Nodes)
{
if (!nodeId.ContainsKey(node.Id))
{
nodeId.Add(node.Id, (mxCell)graph.InsertVertex(parent, node.Id, node.Label, 0, 0, 200, 35, node.Category));
}
}
foreach (DGML.core.Link link in input.Links)
{
if (!nodeId.ContainsKey(link.Source))
{
continue;
}
if (!nodeId.ContainsKey(link.Target))
{
continue;
}
var source = nodeId[link.Source];
var target = nodeId[link.Target];
if ((source != null) && (target != null))
{
graph.InsertEdge(parent, link.Id, link.Label, source, target);
}
}
layout.execute(parent);
return(graph);
// layout.execute(
}
public LayoutForm()
{
mxGraph graph = new mxGraph();
Object parent = graph.GetDefaultParent();
graph.Model.BeginUpdate();
try
{
int nodeCount = 100;
int edgeCount = 100;
Object[] nodes = new Object[nodeCount];
for (int i = 0; i < nodeCount; i++)
{
nodes[i] = graph.InsertVertex(parent, null, 'N' + i, 0, 0, 30, 30);
}
Random r = new Random();
for (int i = 0; i < edgeCount; i++)
{
int r1 = (int)(r.NextDouble() * nodeCount);
int r2 = (int)(r.NextDouble() * nodeCount);
graph.InsertEdge(parent, null, r1 + '-' + r2,
nodes[r1], nodes[r2]);
}
mxIGraphLayout layout = new mxFastOrganicLayout(graph);
layout.execute(parent);
}
finally
{
graph.Model.EndUpdate();
}
graph.View.Scale = 0.2;
graphControl = new GraphControl(graph);
graphControl.Dock = DockStyle.Fill;
Controls.Add(graphControl);
Size = new Size(320, 200);
}