Examples with PortConstraints org.eclipse.elk.core.options.PortConstraints used on opensource projects

Example 16 with PortConstraints

use of org.eclipse.elk.core.options.PortConstraints in project elk by eclipse.

the class ElkGraphImporter method transformNodes.

/**
 * Transforms the nodes and ports defined by the given layout node.
 *
 * @param parentNode the layout node whose edges to transform.
 * @param fgraph the force graph.
 * @param elemMap the element map that maps the original {@code KGraph} elements to the
 *                transformed {@code FGraph} elements.
 */
private void transformNodes(final ElkNode parentNode, final FGraph fgraph, final Map<ElkNode, FNode> elemMap) {
    int index = 0;
    for (ElkNode knode : parentNode.getChildren()) {
        String label = "";
        if (!knode.getLabels().isEmpty()) {
            label = knode.getLabels().get(0).getText();
        }
        FNode newNode = new FNode(label);
        newNode.copyProperties(knode);
        newNode.setProperty(InternalProperties.ORIGIN, knode);
        newNode.id = index++;
        newNode.getPosition().x = knode.getX() + knode.getWidth() / 2;
        newNode.getPosition().y = knode.getY() + knode.getHeight() / 2;
        newNode.getSize().x = Math.max(knode.getWidth(), 1);
        newNode.getSize().y = Math.max(knode.getHeight(), 1);
        fgraph.getNodes().add(newNode);
        elemMap.put(knode, newNode);
        // port constraints cannot be undefined
        PortConstraints portConstraints = knode.getProperty(ForceOptions.PORT_CONSTRAINTS);
        if (portConstraints == PortConstraints.UNDEFINED) {
            portConstraints = PortConstraints.FREE;
        }
    // TODO consider ports
    }
}

Example 17 with PortConstraints

use of org.eclipse.elk.core.options.PortConstraints in project elk by eclipse.

the class ElkUtil method resizeNode.

/**
 * Sets the size of a given node, depending on the minimal size, the number of ports
 * on each side and the label.
 *
 * @param node the node that shall be resized
 * @return a vector holding the width and height resizing ratio, or {@code null} if the size
 *     constraint is set to {@code FIXED}
 */
public static KVector resizeNode(final ElkNode node) {
    Set<SizeConstraint> sizeConstraint = node.getProperty(CoreOptions.NODE_SIZE_CONSTRAINTS);
    if (sizeConstraint.isEmpty()) {
        return null;
    }
    double newWidth = 0, newHeight = 0;
    if (sizeConstraint.contains(SizeConstraint.PORTS)) {
        PortConstraints portConstraints = node.getProperty(CoreOptions.PORT_CONSTRAINTS);
        double minNorth = 2, minEast = 2, minSouth = 2, minWest = 2;
        Direction direction = node.getParent() == null ? node.getProperty(CoreOptions.DIRECTION) : node.getParent().getProperty(CoreOptions.DIRECTION);
        for (ElkPort port : node.getPorts()) {
            PortSide portSide = port.getProperty(CoreOptions.PORT_SIDE);
            if (portSide == PortSide.UNDEFINED) {
                portSide = calcPortSide(port, direction);
                port.setProperty(CoreOptions.PORT_SIDE, portSide);
            }
            if (portConstraints == PortConstraints.FIXED_POS) {
                switch(portSide) {
                    case NORTH:
                        minNorth = Math.max(minNorth, port.getX() + port.getWidth());
                        break;
                    case EAST:
                        minEast = Math.max(minEast, port.getY() + port.getHeight());
                        break;
                    case SOUTH:
                        minSouth = Math.max(minSouth, port.getX() + port.getWidth());
                        break;
                    case WEST:
                        minWest = Math.max(minWest, port.getY() + port.getHeight());
                        break;
                }
            } else {
                switch(portSide) {
                    case NORTH:
                        minNorth += port.getWidth() + 2;
                        break;
                    case EAST:
                        minEast += port.getHeight() + 2;
                        break;
                    case SOUTH:
                        minSouth += port.getWidth() + 2;
                        break;
                    case WEST:
                        minWest += port.getHeight() + 2;
                        break;
                }
            }
        }
        newWidth = Math.max(minNorth, minSouth);
        newHeight = Math.max(minEast, minWest);
    }
    return resizeNode(node, newWidth, newHeight, true, true);
}

Example 18 with PortConstraints

use of org.eclipse.elk.core.options.PortConstraints in project elk by eclipse.

the class RandomGraphGenerator method createNode.

/**
 * Creates a node.
 *
 * @param parent
 *            the parent node
 * @return the node
 */
private ElkNode createNode(final ElkNode parent) {
    ElkNode node = ElkGraphUtil.createNode(null);
    float hypernodeChance = get(GeneratorOptions.HYPERNODE_CHANCE);
    if (hypernodeChance > 0.0f && random.nextFloat() < hypernodeChance) {
        node.setProperty(CoreOptions.HYPERNODE, true);
    }
    // create label and identifier
    String nodeid = String.valueOf(nodeLabelCounter++);
    if (get(GeneratorOptions.CREATE_NODE_LABELS)) {
        ElkGraphUtil.createLabel("N" + nodeid, node);
    }
    node.setIdentifier("n" + nodeid);
    // set size of the node
    if (get(GeneratorOptions.SET_NODE_SIZE)) {
        node.setWidth(get(GeneratorOptions.NODE_WIDTH).floatVal(random));
        node.setHeight(get(GeneratorOptions.NODE_HEIGHT).floatVal(random));
    }
    // set port constraints
    PortConstraints portConstraints = get(GeneratorOptions.PORT_CONSTRAINTS);
    if (portConstraints != PortConstraints.UNDEFINED) {
        node.setProperty(CoreOptions.PORT_CONSTRAINTS, portConstraints);
    }
    parent.getChildren().add(node);
    return node;
}