Examples with GraphModel org.jgraph.graph.GraphModel used on opensource projects

Example 1 with GraphModel

use of org.jgraph.graph.GraphModel in project cayenne by apache.

the class BaseGraphBuilder method buildGraph.

@Override
public void buildGraph(ProjectController mediator, DataChannelDescriptor domain, boolean doLayout) {
    if (graph != null) {
        // graph already built, exiting silently
        return;
    }
    graph = new JGraph();
    GraphModel model = new DefaultGraphModel();
    graph.setModel(model);
    setProjectController(mediator);
    setDataDomain(domain);
    GraphLayoutCache view = new GraphLayoutCache(model, new DefaultCellViewFactory());
    graph.setGraphLayoutCache(view);
    addMouseListeners();
    entityCells = new HashMap<>();
    createdObjects = new ArrayList<>();
    relCells = new HashMap<>();
    /*
         * an array for entities that are not connected to anyone. We add them
         * separately so that layout doesn't touch them
         */
    List<DefaultGraphCell> isolatedObjects = new ArrayList<>();
    /*
         * 1. Add all entities
         */
    for (DataMap map : domain.getDataMaps()) {
        DefaultGraphCell mapCell = new DefaultGraphCell();
        createdObjects.add(mapCell);
        for (Entity entity : getEntities(map)) {
            DefaultGraphCell cell = createEntityCell(entity);
            // mapCell.add(cell);
            // cell.setParent(mapCell);
            List<DefaultGraphCell> array = !isIsolated(domain, entity) ? createdObjects : isolatedObjects;
            array.add(cell);
            // port
            array.add((DefaultGraphCell) cell.getChildAt(0));
        }
    }
    /*
         * 2. Add all relationships
         */
    for (DataMap map : domain.getDataMaps()) {
        for (Entity entity : getEntities(map)) {
            DefaultGraphCell sourceCell = entityCells.get(entity.getName());
            postProcessEntity(entity, sourceCell);
        }
    }
    view.insert(createdObjects.toArray());
    setLayout(doLayout);
    /*
         * Adding isolated objects
         * 
         * We're placing them so that they will take maximum space in left top
         * corner. The sample order is below:
         * 
         * 1 2 6 7... 3 5 8 ... 4 9... 10 ...
         */
    addIsolatedObjects(isolatedObjects);
    view.insert(isolatedObjects.toArray());
    graph.getModel().addUndoableEditListener(this);
}