Examples with ElkShape org.eclipse.elk.graph.ElkShape used on opensource projects

Example 1 with ElkShape

use of org.eclipse.elk.graph.ElkShape in project elk by eclipse.

the class ElkUtil method applyConfiguredNodeScaling.

/**
 * Applies the scaling factor configured in terms of {@link CoreOptions#SCALE_FACTOR} to {@code node}'s
 * size data, and updates the layout data of {@code node}'s ports and labels accordingly.<br>
 * <b>Note:</b> The scaled layout data won't be reverted during the layout process, see
 * {@link CoreOptions#SCALE_FACTOR}.
 *
 * @param node
 *            the node to be scaled
 */
public static void applyConfiguredNodeScaling(final ElkNode node) {
    final double scalingFactor = node.getProperty(CoreOptions.SCALE_FACTOR);
    if (scalingFactor == 1) {
        return;
    }
    node.setDimensions(scalingFactor * node.getWidth(), scalingFactor * node.getHeight());
    final Iterable<ElkLabel> portLabels = Iterables.concat(Iterables.transform(node.getPorts(), p -> p.getLabels()));
    for (ElkShape shape : Iterables.concat(node.getLabels(), node.getPorts(), portLabels)) {
        shape.setLocation(scalingFactor * shape.getX(), scalingFactor * shape.getY());
        shape.setDimensions(scalingFactor * shape.getWidth(), scalingFactor * shape.getHeight());
        final KVector anchor = shape.getProperty(CoreOptions.PORT_ANCHOR);
        if (anchor != null) {
            anchor.x *= scalingFactor;
            anchor.y *= scalingFactor;
        }
    }
}

Example 2 with ElkShape

use of org.eclipse.elk.graph.ElkShape in project elk by eclipse.

the class GraphTestUtils method haveOverlaps.

/**
 * Returns whether any of the shapes in the list overlap.
 */
public static boolean haveOverlaps(final List<? extends ElkShape> shapes) {
    // Obtain absolute rectangles for us to do the comparisons on
    List<Rectangle2D> shapeRects = new ArrayList<>(shapes.size());
    for (ElkShape shape : shapes) {
        KVector pos = ElkUtil.absolutePosition(shape);
        shapeRects.add(new Rectangle2D.Double(pos.x, pos.y, shape.getWidth(), shape.getHeight()));
    }
    for (int first = 0; first < shapeRects.size(); first++) {
        Rectangle2D firstRect = shapeRects.get(first);
        for (int second = first + 1; second < shapeRects.size(); second++) {
            Rectangle2D secondRect = shapeRects.get(second);
            if (firstRect.intersects(secondRect)) {
                return true;
            }
        }
    }
    return false;
}

Example 3 with ElkShape

use of org.eclipse.elk.graph.ElkShape in project osate2 by osate.

the class DiagramElementLayoutUtil method applyConnectionLayout.

private static void applyConnectionLayout(final LayoutMapping mapping, final DiagramModification m) {
    // Modify Connections
    for (Entry<ElkGraphElement, Object> e : mapping.getGraphMap().entrySet()) {
        final ElkGraphElement elkElement = e.getKey();
        final Object mappedValue = e.getValue();
        if (!(elkElement instanceof ElkEdge)) {
            continue;
        }
        final ElkEdge edge = (ElkEdge) elkElement;
        // Ignore edges which do not have exactly one section. This is usually the case where it is a long hierarchical connection that has 0 sections
        if (edge.getSections().size() != 1) {
            continue;
        }
        final ElkEdgeSection edgeSection = edge.getSections().get(0);
        if (!(mappedValue instanceof DiagramElement)) {
            continue;
        }
        final DiagramElement de = (DiagramElement) mappedValue;
        if (!(de.getGraphic() instanceof AgeConnection)) {
            continue;
        }
        final AgeConnection connection = (AgeConnection) de.getGraphic();
        // Flow indicators have a position representing where the indicator ends.
        if (connection.isFlowIndicator && edge.getTargets().size() == 1) {
            final ElkPort flowIndicatorEndPort = (ElkPort) edge.getTargets().get(0);
            final ElkShape flowIndicatorEndPortShape = (ElkShape) flowIndicatorEndPort.eContainer();
            m.setPosition(de, new Point(flowIndicatorEndPortShape.getX(), flowIndicatorEndPortShape.getY()));
        }
        // Don't update connections if it wasn't updated. This prevents updating bendpoints to invalid values if an edge is not layed out.
        if (edgeSection.eIsSet(ElkGraphPackage.eINSTANCE.getElkEdgeSection_StartX()) && edgeSection.eIsSet(ElkGraphPackage.eINSTANCE.getElkEdgeSection_EndX())) {
            final List<Point> bendpointsInParentCoordinateSystem = edgeSection.getBendPoints().stream().map(bp -> new Point(bp.getX(), bp.getY())).collect(Collectors.toCollection(LinkedList::new));
            // 
            // Set bendpoints
            // 
            // Add the start and end points to the bendpoints list if the the start/end element is not a port.
            // For ports the start and end points are unnecessary and will actually be located inside the port graphic.
            final boolean srcIsPort = edge.getSources().size() == 1 ? edge.getSources().get(0) instanceof ElkPort : false;
            final boolean dstIsPort = edge.getTargets().size() == 1 ? edge.getTargets().get(0) instanceof ElkPort : false;
            if (!srcIsPort) {
                bendpointsInParentCoordinateSystem.add(0, new Point(edgeSection.getStartX(), edgeSection.getStartY()));
            }
            if (!dstIsPort) {
                bendpointsInParentCoordinateSystem.add(new Point(edgeSection.getEndX(), edgeSection.getEndY()));
            }
            // Adjust newly added bendpoints so that the connection arrows will face the appropriate direction
            if (!srcIsPort && bendpointsInParentCoordinateSystem.size() >= 2) {
                bendpointsInParentCoordinateSystem.set(0, getAdjacentPoint(bendpointsInParentCoordinateSystem.get(0), bendpointsInParentCoordinateSystem.get(1), START_AND_END_BENDPOINT_DISTANCE));
            }
            if (!dstIsPort && bendpointsInParentCoordinateSystem.size() >= 2) {
                bendpointsInParentCoordinateSystem.set(bendpointsInParentCoordinateSystem.size() - 1, getAdjacentPoint(bendpointsInParentCoordinateSystem.get(bendpointsInParentCoordinateSystem.size() - 1), bendpointsInParentCoordinateSystem.get(bendpointsInParentCoordinateSystem.size() - 2), START_AND_END_BENDPOINT_DISTANCE));
            }
            // Get the absolute coordinate in the diagram of the edge's ELK container.
            final Point elkContainerPosition;
            if (edge.getContainingNode() == mapping.getLayoutGraph()) {
                // Node available. Use the first and only child of the top level ELK node.
                if (mapping.getLayoutGraph().getChildren().size() == 1) {
                    final ElkNode topLayoutElkNode = mapping.getLayoutGraph().getChildren().get(0);
                    final Point topLayoutElkNodePosition = getAbsolutePosition((DiagramNode) mapping.getGraphMap().get(topLayoutElkNode));
                    elkContainerPosition = new Point(topLayoutElkNodePosition.x - topLayoutElkNode.getX(), topLayoutElkNodePosition.y - topLayoutElkNode.getY());
                } else {
                    elkContainerPosition = new Point(0, 0);
                }
            } else {
                elkContainerPosition = getAbsolutePosition((DiagramNode) mapping.getGraphMap().get(edge.getContainingNode()));
            }
            final List<Point> bendpointsInAbsoluteCoordinateSystem = bendpointsInParentCoordinateSystem.stream().map(p -> new Point(p.x + elkContainerPosition.x, p.y + elkContainerPosition.y)).collect(Collectors.toList());
            m.setBendpoints(de, bendpointsInAbsoluteCoordinateSystem);
            // For the midpoint calculation, the start and end points are needed. Add them if they have not already been added.
            if (srcIsPort) {
                bendpointsInParentCoordinateSystem.add(0, new Point(edgeSection.getStartX(), edgeSection.getStartY()));
            }
            if (dstIsPort) {
                bendpointsInParentCoordinateSystem.add(new Point(edgeSection.getEndX(), edgeSection.getEndY()));
            }
            // Set Label Positions
            setLabelPositionsForEdge(mapping, m, edge, findMidpoint(bendpointsInParentCoordinateSystem));
        }
    }
}

Example 4 with ElkShape

use of org.eclipse.elk.graph.ElkShape in project osate2 by osate.

the class DiagramElementLayoutUtil method applyShapeLayout.

private static void applyShapeLayout(final LayoutMapping mapping, final DiagramModification m) {
    // Modify shapes
    for (Entry<ElkGraphElement, Object> e : mapping.getGraphMap().entrySet()) {
        final ElkGraphElement elkElement = e.getKey();
        final Object mappedValue = e.getValue();
        final boolean isTopLevelElement = isTopLevel(elkElement);
        if (!(elkElement instanceof ElkShape)) {
            continue;
        }
        final ElkShape elkShape = (ElkShape) elkElement;
        if (!(mappedValue instanceof DiagramElement)) {
            continue;
        }
        final DiagramElement de = (DiagramElement) mappedValue;
        if (!(de.getGraphic() instanceof AgeShape)) {
            continue;
        }
        if (de.getGraphic() instanceof Label) {
            continue;
        }
        // Set Position. Don't set the position of top level elements
        if (!isTopLevelElement && DiagramElementPredicates.isMoveableShape(de)) {
            // Determine position for the element
            double x = elkShape.getX();
            double y = elkShape.getY();
            // If the diagram element has a parent port, subtract the parent port position from the ELK port position to determine the relative position
            if (de.getDockArea() == DockArea.GROUP) {
                final ElkPort parentPort = (ElkPort) mapping.getGraphMap().inverse().get(de.getParent());
                if (parentPort != null) {
                    final PortSide side = parentPort.getProperty(CoreOptions.PORT_SIDE);
                    if (PortSide.SIDES_NORTH_SOUTH.contains(side)) {
                        x = elkShape.getX() - parentPort.getX();
                    } else if (PortSide.SIDES_EAST_WEST.contains(side)) {
                        y = elkShape.getY() - parentPort.getY();
                    } else {
                        throw new GraphicalEditorException("Unexpected side: " + side);
                    }
                }
            }
            DiagramElementLayoutUtil.moveElement(m, de, new Point(x, y));
            // Set the dock area
            if (de.getDockArea() != DockArea.GROUP && de.getDockArea() != null) {
                final DockArea newDockArea = PortSideUtil.getDockArea(elkShape.getProperty(CoreOptions.PORT_SIDE));
                if (newDockArea != null) {
                    m.setDockArea(de, newDockArea);
                }
            }
        }
        // Set the size
        if (DiagramElementPredicates.isResizeable(de)) {
            m.setSize(de, new Dimension(elkShape.getWidth(), elkShape.getHeight()));
        }
    }
}