Вместо этого вы можете попробовать порты.Это использует хук isPort для визуального подключения к другой ячейке.А для формы 'x' используйте смещение геометрии.
Пожалуйста, отметьте Hello Port пример
// Program starts here. Creates a sample graph in the
// DOM node with the specified ID. This function is invoked
// from the onLoad event handler of the document (see below).
function main(container)
{
// Checks if the browser is supported
if (!mxClient.isBrowserSupported())
{
// Displays an error message if the browser is not supported.
mxUtils.error('Browser is not supported!', 200, false);
}
else
{
// Creates the graph inside the given container
var graph = new mxGraph(container);
graph.setConnectable(true);
graph.setTooltips(true);
// Sets the default edge style
var style = graph.getStylesheet().getDefaultEdgeStyle();
style[mxConstants.STYLE_EDGE] = mxEdgeStyle.ElbowConnector;
// Ports are not used as terminals for edges, they are
// only used to compute the graphical connection point
graph.isPort = function(cell)
{
var geo = this.getCellGeometry(cell);
return (geo != null) ? geo.relative : false;
};
// Implements a tooltip that shows the actual
// source and target of an edge
graph.getTooltipForCell = function(cell)
{
if (this.model.isEdge(cell))
{
return this.convertValueToString(this.model.getTerminal(cell, true)) + ' => ' +
this.convertValueToString(this.model.getTerminal(cell, false))
}
return mxGraph.prototype.getTooltipForCell.apply(this, arguments);
};
// Removes the folding icon and disables any folding
graph.isCellFoldable = function(cell)
{
return false;
};
// Enables rubberband selection
new mxRubberband(graph);
// Gets the default parent for inserting new cells. This
// is normally the first child of the root (ie. layer 0).
var parent = graph.getDefaultParent();
// Adds cells to the model in a single step
graph.getModel().beginUpdate();
try
{
var v1 = graph.insertVertex(parent, null, 'Hello', 20, 80, 80, 30);
v1.setConnectable(false);
var v11 = graph.insertVertex(v1, null, '', 1, 1, 10, 10);
v11.geometry.offset = new mxPoint(-5, -5);
v11.geometry.relative = true;
var v12 = graph.insertVertex(v1, null, '', 1, 0, 10, 10);
v12.geometry.offset = new mxPoint(-5, -5);
v12.geometry.relative = true;
var v2 = graph.insertVertex(parent, null, 'World!', 200, 150, 80, 30);
var v3 = graph.insertVertex(parent, null, 'World2', 200, 20, 80, 30);
var e1 = graph.insertEdge(parent, null, '', v11, v2);
var e1 = graph.insertEdge(parent, null, '', v12, v3);
}
finally
{
// Updates the display
graph.getModel().endUpdate();
}
var button = mxUtils.button('View XML', function()
{
var encoder = new mxCodec();
var node = encoder.encode(graph.getModel());
mxUtils.popup(mxUtils.getPrettyXml(node), true);
});
document.body.insertBefore(button, container.nextSibling);
}
};