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

Example 1 with DefaultGraphCell

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

the class BaseGraphBuilder method addMouseListeners.

private void addMouseListeners() {
    graph.addMouseListener(new MouseAdapter() {

        @Override
        public void mouseReleased(MouseEvent e) {
            if (e.isPopupTrigger()) {
                Object selected = graph.getSelectionCell();
                if (selected != null && selected instanceof DefaultGraphCell) {
                    Object userObject = ((DefaultGraphCell) selected).getUserObject();
                    if (userObject instanceof EntityCellMetadata) {
                        showPopup(e.getPoint(), ((EntityCellMetadata) userObject).fetchEntity());
                    }
                }
            }
        }
    });
    graph.addMouseWheelListener(e -> {
        // limit scale
        double scale = graph.getScale() / Math.pow(ZOOM_FACTOR, e.getWheelRotation());
        scale = Math.max(scale, 0.1);
        scale = Math.min(scale, 3);
        graph.setScale(scale);
    });
}

Example 2 with DefaultGraphCell

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

the class BaseGraphBuilder method encodeAsXML.

@Override
public void encodeAsXML(XMLEncoder encoder, ConfigurationNodeVisitor delegate) {
    encoder.start("graph").attribute("type", getType().toString()).attribute("scale", String.valueOf(graph.getScale()));
    for (Entry<String, DefaultGraphCell> entry : entityCells.entrySet()) {
        Rectangle2D rect = graph.getCellBounds(entry.getValue());
        encoder.start("entity").attribute("name", entry.getKey()).attribute("x", String.valueOf(Math.round(100 * rect.getX()) / 100.0)).attribute("y", String.valueOf(Math.round(100 * rect.getY()) / 100.0)).attribute("width", String.valueOf(rect.getWidth())).attribute("height", String.valueOf(rect.getHeight())).end();
    }
    encoder.end();
}

Example 3 with DefaultGraphCell

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

the class BaseGraphBuilder method insertEntityCell.

protected void insertEntityCell(Entity entity) {
    DefaultGraphCell cell = createEntityCell(entity);
    // putting cell to a random posistion..
    GraphConstants.setBounds(cell.getAttributes(), new Rectangle2D.Double(Math.random() * graph.getWidth(), Math.random() * graph.getHeight(), 10, 10));
    // setting graph type-specific attrs
    postProcessEntity(entity, cell);
    insert(cell);
}

Example 4 with DefaultGraphCell

use of org.jgraph.graph.DefaultGraphCell 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);
}

Example 5 with DefaultGraphCell

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

the class BaseGraphBuilder method updateEntityCell.

/**
 * Updates specified entity on the graph
 */
protected void updateEntityCell(Entity e) {
    DefaultGraphCell cell = entityCells.get(e.getName());
    if (cell != null) {
        GraphConstants.setValue(cell.getAttributes(), getCellMetadata(e));
        GraphConstants.setResize(cell.getAttributes(), true);
        Map<DefaultGraphCell, AttributeMap> nested = new HashMap<>();
        nested.put(cell, cell.getAttributes());
        edit(nested);
    }
}