Examples with FlowIndicatorNode org.osate.ge.gef.FlowIndicatorNode used on opensource projects

Example 1 with FlowIndicatorNode

use of org.osate.ge.gef.FlowIndicatorNode in project osate2 by osate.

the class GefAgeDiagram method updateConnectionAnchors.

private void updateConnectionAnchors(final DiagramElement de, final BaseConnectionNode node) {
    if (node instanceof FlowIndicatorNode) {
        final FlowIndicatorNode fi = (FlowIndicatorNode) node;
        final IAnchor anchor = GefAgeDiagramUtil.getAnchor(this, de.getStartElement(), null);
        if (anchor != null) {
            fi.setStartAnchor(anchor);
        }
    } else if (node instanceof ConnectionNode) {
        final ConnectionNode cn = (ConnectionNode) node;
        final IAnchor startAnchor = GefAgeDiagramUtil.getAnchor(this, de.getStartElement(), de.getEndElement());
        final IAnchor endAnchor = GefAgeDiagramUtil.getAnchor(this, de.getEndElement(), de.getStartElement());
        if (startAnchor != null && endAnchor != null) {
            cn.setStartAnchor(startAnchor);
            cn.setEndAnchor(endAnchor);
        }
    } else {
        throw new AgeGefRuntimeException("Unexpected node: " + node);
    }
}

Example 2 with FlowIndicatorNode

use of org.osate.ge.gef.FlowIndicatorNode in project osate2 by osate.

the class MoveConnectionPointInteraction method onMouseDragged.

@Override
protected Interaction.InteractionState onMouseDragged(final MouseEvent e) {
    if (e.getButton() != MouseButton.PRIMARY) {
        return super.onMouseDragged(e);
    }
    final Transform sceneToDiagramTransform = editor.getGefDiagram().getSceneNode().getSceneToLocalTransform();
    final Point2D eventInDiagram = sceneToDiagramTransform.transform(e.getSceneX(), e.getSceneY());
    final Point2D snappedDiagramPosition = InputEventHandlerUtil.snap(editor, eventInDiagram, false);
    if (activeHandle instanceof FlowIndicatorPositionHandle) {
        final FlowIndicatorNode c = ((FlowIndicatorPositionHandle) activeHandle).getSceneNode();
        final Node positioningReference = c.getPositioningReferenceOrThrow();
        // The the position relative to the reference
        final Point2D newPoint = getLocalPositionFromDiagram(editor.getGefDiagram(), snappedDiagramPosition, positioningReference);
        final Point2D oldPosition = PreferredPosition.get(activeHandle.getSceneNode());
        PreferredPosition.set(activeHandle.getSceneNode(), newPoint);
        // Adjust positions of control points so that only the ending position of the flow indicator is moved.
        if (oldPosition != null) {
            final double dx = newPoint.getX() - oldPosition.getX();
            final double dy = newPoint.getY() - oldPosition.getY();
            c.getInnerConnection().setControlPoints(c.getInnerConnection().getControlPoints().stream().map(p -> new Point(p.x - dx, p.y - dy)).collect(Collectors.toList()));
        }
    } else if (controlPointIndex != null) {
        final BaseConnectionNode c = activeHandle.getSceneNode();
        final Connection ic = c.getInnerConnection();
        final Point2D newPosition = getLocalPositionFromDiagram(editor.getGefDiagram(), snappedDiagramPosition, ic);
        // Get a list of the control points and the start and end points of connection.
        final List<Point> allPoints = ic.getPointsUnmodifiable();
        final List<org.eclipse.gef.geometry.planar.Point> controlPoints = ic.getControlPoints();
        final ArrayList<org.eclipse.gef.geometry.planar.Point> endAndControlPoints = new ArrayList<>(controlPoints.size() + 2);
        endAndControlPoints.add(allPoints.get(0));
        endAndControlPoints.addAll(controlPoints);
        endAndControlPoints.add(allPoints.get(allPoints.size() - 1));
        // Determine whether the point should be removed or added
        final boolean remove = controlPointExists && distanceToLineSegment(newPosition, endAndControlPoints, controlPointIndex, controlPointIndex + 2) <= REMOVE_POINT_DISTANCE;
        final boolean add = !remove && !controlPointExists && distanceToLineSegment(newPosition, endAndControlPoints, controlPointIndex, controlPointIndex + 1) >= ADD_POINT_DISTANCE;
        if (remove) {
            c.getInnerConnection().removeControlPoint(controlPointIndex);
            controlPointExists = false;
        } else if (add) {
            controlPoints.add(controlPointIndex, FX2Geometry.toPoint(newPosition));
            ic.setControlPoints(controlPoints);
            controlPointExists = true;
        } else if (controlPointExists) {
            ic.setControlPoint(controlPointIndex, FX2Geometry.toPoint(newPosition));
        }
    }
    return InteractionState.IN_PROGRESS;
}

Example 3 with FlowIndicatorNode

use of org.osate.ge.gef.FlowIndicatorNode in project osate2 by osate.

the class MoveConnectionPointInteraction method onMouseReleased.

@Override
protected Interaction.InteractionState onMouseReleased(final MouseEvent e) {
    if (e.getButton() != MouseButton.PRIMARY) {
        return super.onMouseReleased(e);
    }
    final BaseConnectionNode connectionNode = activeHandle.getSceneNode();
    try {
        final Transform sceneToDiagramTransform = editor.getGefDiagram().getSceneNode().getLocalToSceneTransform().createInverse();
        final Transform connectionToDiagramTransform = sceneToDiagramTransform.createConcatenation(connectionNode.getLocalToSceneTransform());
        editor.getDiagram().modify("Update Control Point", m -> {
            final DiagramElement diagramElementToModify = editor.getGefDiagram().getDiagramElement(connectionNode);
            if (diagramElementToModify == null) {
                throw new AgeGefRuntimeException("Unable to find diagram element");
            }
            m.setBendpoints(diagramElementToModify, connectionNode.getInnerConnection().getControlPoints().stream().map(p -> GefAgeDiagramUtil.toAgePoint(connectionToDiagramTransform.transform(p.x, p.y))).collect(Collectors.toList()));
            if (connectionNode instanceof FlowIndicatorNode) {
                m.setPosition(diagramElementToModify, GefAgeDiagramUtil.toAgePoint(PreferredPosition.get(connectionNode)));
            }
        });
        // The scene will be updated based on our modification. No need to update the scene in close().
        updateSceneGraphOnComplete = false;
    } catch (NonInvertibleTransformException ex) {
        throw new AgeGefRuntimeException("Unable to create diagram scene to local transform", ex);
    }
    return InteractionState.COMPLETE;
}

Example 4 with FlowIndicatorNode

use of org.osate.ge.gef.FlowIndicatorNode in project osate2 by osate.

the class GefAgeDiagram method ensureSceneNodeExists.

/**
 * Ensures that a scene node exists for the specified GEF diagram element.
 * Creates or recreates scene nodes and adds to the scene graph as necessary. Updates the specified GEF diagram element.
 * @param gefDiagramElement the GEF diagram element for which to ensure that the scene node exists.
 * @param parentDiagramElementSceneNode the scene node for the parent of the GEF diagram element. This is specified instead of using
 * the value contained in the GEF diagram element because it may not be up to date.
 * @return the scene node for the diagram element. This specified GEF diagram element will be updated to hold this value.
 */
private Node ensureSceneNodeExists(GefDiagramElement gefDiagramElement, final Node parentDiagramElementSceneNode) {
    Objects.requireNonNull(parentDiagramElementSceneNode, "parentDiagramElementScenenNode must not be null");
    final Graphic graphic = Objects.requireNonNull(gefDiagramElement.diagramElement.getGraphic(), "graphic must not be null");
    final DiagramElement childDiagramElement = gefDiagramElement.diagramElement;
    // 
    // The following final variables determine the operations that needs to be performed by the remainder of the function.
    // They are set by comparing the previous state with the current state of the diagram element.
    // 
    final boolean docked = childDiagramElement.getDockArea() != null;
    final boolean parentIsConnection = parentDiagramElementSceneNode instanceof BaseConnectionNode;
    final boolean create = !Objects.equals(graphic, gefDiagramElement.sourceGraphic) || docked != gefDiagramElement.sceneNode instanceof DockedShape || parentIsConnection != gefDiagramElement.parentDiagramNodeSceneNode instanceof BaseConnectionNode;
    final boolean addToScene = create || gefDiagramElement.parentDiagramNodeSceneNode != parentDiagramElementSceneNode;
    final boolean removeFromScene = addToScene && gefDiagramElement.sceneNode != null;
    // Update other fields
    gefDiagramElement.sourceGraphic = graphic;
    // Remove the node for the scene graph
    if (removeFromScene) {
        removeNode(gefDiagramElement.sceneNode);
    }
    // 
    if (create) {
        // Remove mapping to old scene node
        if (gefDiagramElement.sceneNode != null) {
            sceneNodeToGefDiagramElementMap.remove(gefDiagramElement.sceneNode);
        }
        // Create the new node. Create a graphic and then a wrapper as appropriate
        final Node graphicNode = GraphicToFx.createNode(graphic);
        if (graphicNode instanceof BaseConnectionNode) {
            final BaseConnectionNode newConnectionNode = (BaseConnectionNode) graphicNode;
            gefDiagramElement.sceneNode = graphicNode;
            // Create the primary label node
            final LabelNode primaryLabel = new LabelNode();
            newConnectionNode.getPrimaryLabels().add(primaryLabel);
            gefDiagramElement.primaryLabel = primaryLabel;
        } else if (graphicNode instanceof LabelNode) {
            gefDiagramElement.sceneNode = graphicNode;
        } else if (parentIsConnection) {
            // NOTE: This should only occur for fixed sized graphics
            // Rotate midpoint decorations 180.0 degrees because our connection not expects midpoint decorations to be oriented as if
            // the connection was left to right and that is not how graphics are specified in the graphical editor.
            final Group rotationWrapper = new Group();
            rotationWrapper.getChildren().add(graphicNode);
            rotationWrapper.setRotate(180.0);
            gefDiagramElement.sceneNode = rotationWrapper;
        } else {
            if (docked) {
                final DockedShape newDockedShape = new DockedShape();
                newDockedShape.setGraphic(graphicNode);
                gefDiagramElement.sceneNode = newDockedShape;
                // Create the primary label node
                final LabelNode primaryLabel = new LabelNode();
                newDockedShape.getPrimaryLabels().add(primaryLabel);
                gefDiagramElement.primaryLabel = primaryLabel;
                // Create annotation node
                final LabelNode annotationLabel = new LabelNode();
                newDockedShape.getSecondaryLabels().add(annotationLabel);
                gefDiagramElement.annotationLabel = annotationLabel;
            } else {
                final ContainerShape newContainerShape = new ContainerShape();
                newContainerShape.setGraphic(graphicNode);
                gefDiagramElement.sceneNode = newContainerShape;
                // Create the primary label node
                final LabelNode primaryLabel = new LabelNode();
                newContainerShape.getPrimaryLabels().add(primaryLabel);
                gefDiagramElement.primaryLabel = primaryLabel;
            }
        }
        // Add mapping to scene node
        if (gefDiagramElement.sceneNode != null) {
            sceneNodeToGefDiagramElementMap.put(gefDiagramElement.sceneNode, gefDiagramElement);
        }
        StyleRoot.set(gefDiagramElement.sceneNode, true);
    }
    // 
    if (addToScene) {
        if (gefDiagramElement.sceneNode instanceof BaseConnectionNode) {
            diagramNode.getChildren().add(gefDiagramElement.sceneNode);
            // Flow indicators are positioned relative to the scene node of the parent diagram element
            if (gefDiagramElement.sceneNode instanceof FlowIndicatorNode) {
                if (parentDiagramElementSceneNode instanceof ContainerShape) {
                    ((FlowIndicatorNode) gefDiagramElement.sceneNode).setPositioningReference(parentDiagramElementSceneNode);
                } else {
                    throw new AgeGefRuntimeException("Unexpected parent diagram element scene node for flow indicator: " + parentDiagramElementSceneNode);
                }
            }
        } else if (gefDiagramElement.sceneNode instanceof LabelNode) {
            // Add label to parent
            if (parentDiagramElementSceneNode instanceof ContainerShape) {
                ((ContainerShape) parentDiagramElementSceneNode).getSecondaryLabels().add(gefDiagramElement.sceneNode);
            } else if (parentDiagramElementSceneNode instanceof DockedShape) {
                ((DockedShape) parentDiagramElementSceneNode).getSecondaryLabels().add(gefDiagramElement.sceneNode);
            } else if (parentDiagramElementSceneNode instanceof BaseConnectionNode) {
                ((BaseConnectionNode) parentDiagramElementSceneNode).getSecondaryLabels().add(gefDiagramElement.sceneNode);
            } else {
                throw new AgeGefRuntimeException("Unexpected parent node for label: " + parentDiagramElementSceneNode);
            }
        } else if (parentIsConnection) {
            ((BaseConnectionNode) parentDiagramElementSceneNode).getMidpointDecorations().add(gefDiagramElement.sceneNode);
        } else {
            final DockArea dockArea = childDiagramElement.getDockArea();
            if (gefDiagramElement.sceneNode instanceof DockedShape) {
                final DockedShape dockedShape = (DockedShape) gefDiagramElement.sceneNode;
                // Add the docked shape to the appropriate list
                if (parentDiagramElementSceneNode instanceof ContainerShape) {
                    final ContainerShape containerShapeParent = (ContainerShape) parentDiagramElementSceneNode;
                    containerShapeParent.addOrUpdateDockedChild(dockedShape, GefAgeDiagramUtil.toDockSide(dockArea));
                } else if (parentDiagramElementSceneNode instanceof DockedShape) {
                    final DockedShape dockedShapeParent = (DockedShape) parentDiagramElementSceneNode;
                    dockedShapeParent.getNestedChildren().add(dockedShape);
                } else {
                    throw new AgeGefRuntimeException("Unexpected parent for docked shape: " + parentDiagramElementSceneNode);
                }
            } else {
                if (parentDiagramElementSceneNode instanceof ContainerShape) {
                    final ContainerShape containerShapeParent = (ContainerShape) parentDiagramElementSceneNode;
                    containerShapeParent.getFreeChildren().add(gefDiagramElement.sceneNode);
                } else if (parentDiagramElementSceneNode instanceof Group) {
                    ((Group) parentDiagramElementSceneNode).getChildren().add(gefDiagramElement.sceneNode);
                } else {
                    throw new AgeGefRuntimeException("Unexpected parent node for container shape: " + parentDiagramElementSceneNode);
                }
            }
        }
        gefDiagramElement.parentDiagramNodeSceneNode = parentDiagramElementSceneNode;
    }
    return gefDiagramElement.sceneNode;
}

Example 5 with FlowIndicatorNode

use of org.osate.ge.gef.FlowIndicatorNode in project osate2 by osate.

the class GefAgeDiagram method updateSceneNode.

/**
 * Updates the scene nodes related to the specified GEF diagram element based on the diagram element.
 * Only updates properties which do not effect the structure of the scene graph. Not-recursive
 * @param gefDiagramElement is the GEF diagram element for which scene nodes will be updated.
 */
private void updateSceneNode(final GefDiagramElement gefDiagramElement) {
    final DiagramElement diagramElement = gefDiagramElement.diagramElement;
    final Node sceneNode = gefDiagramElement.sceneNode;
    // Update connections
    if (sceneNode instanceof BaseConnectionNode) {
        final BaseConnectionNode connectionNode = (BaseConnectionNode) sceneNode;
        final Point controlPointOrigin = getControlPointOriginFromDiagram(diagramElement, sceneNode);
        if (sceneNode instanceof FlowIndicatorNode) {
            PreferredPosition.set(sceneNode, convertPoint(diagramElement.getPosition()));
        }
        // Update the connection anchor
        updateConnectionAnchors(diagramElement, (BaseConnectionNode) sceneNode);
        // Set control points. Coordinates are specified in the diagram model relative to the diagram. The need to be specified relative to the
        // connection position. For regular connection this is the same because the node's parent is the diagram node.
        // However, flow indicators have a position and have parent nodes other than the diagram.
        connectionNode.getInnerConnection().setControlPoints(diagramElement.getBendpoints().stream().map(p -> new org.eclipse.gef.geometry.planar.Point(p.x - controlPointOrigin.x, p.y - controlPointOrigin.y)).collect(Collectors.toList()));
        PreferredPosition.set(gefDiagramElement.primaryLabel, convertPoint(diagramElement.getConnectionPrimaryLabelPosition()));
    } else if (sceneNode instanceof LabelNode) {
        // Such a label represents a secondary label
        final LabelNode label = (LabelNode) sceneNode;
        label.setText(Strings.nullToEmpty(diagramElement.getLabelName()));
        setLabelVisibility(label);
        // Update element position
        if (gefDiagramElement.parentDiagramNodeSceneNode instanceof BaseConnectionNode) {
            PreferredPosition.set(label, convertPoint(diagramElement.getPosition()));
        }
    } else if (sceneNode instanceof ContainerShape) {
        final ContainerShape containerShape = (ContainerShape) sceneNode;
        PreferredPosition.set(sceneNode, convertPoint(diagramElement.getPosition()));
        // Set configured size
        final Dimension size = diagramElement.getSize();
        if (size == null) {
            containerShape.setConfiguredWidth(ContainerShape.NOT_SPECIFIED);
            containerShape.setConfiguredHeight(ContainerShape.NOT_SPECIFIED);
        } else {
            containerShape.setConfiguredWidth(size.width);
            containerShape.setConfiguredHeight(size.height);
        }
    } else if (sceneNode instanceof DockedShape) {
        final DockedShape n = (DockedShape) sceneNode;
        PreferredPosition.set(sceneNode, convertPoint(diagramElement.getPosition()));
        // Set configured size
        final Dimension size = diagramElement.getSize();
        if (size == null) {
            n.setConfiguredWidth(ContainerShape.NOT_SPECIFIED);
            n.setConfiguredHeight(ContainerShape.NOT_SPECIFIED);
        } else {
            n.setConfiguredWidth(size.width);
            n.setConfiguredHeight(size.height);
        }
        final DockArea dockArea = diagramElement.getDockArea();
        if (dockArea != null && dockArea != DockArea.GROUP && gefDiagramElement.parentDiagramNodeSceneNode instanceof ContainerShape) {
            final DockSide side = GefAgeDiagramUtil.toDockSide(dockArea);
            final ContainerShape cs = (ContainerShape) gefDiagramElement.parentDiagramNodeSceneNode;
            cs.addOrUpdateDockedChild(n, side);
        }
    }
    // Update the primary label
    if (gefDiagramElement.primaryLabel != null) {
        gefDiagramElement.primaryLabel.setText(getPrimaryLabelText(diagramElement));
        setLabelVisibility(gefDiagramElement.primaryLabel);
        gefDiagramElement.primaryLabel.setWrapText(diagramElement.getGraphicalConfiguration().isPrimaryLabelIsMultiline());
    }
    // Update the secondary label
    if (gefDiagramElement.annotationLabel != null) {
        final String annotation = diagramElement.getGraphicalConfiguration().getAnnotation();
        gefDiagramElement.annotationLabel.setText(Strings.nullToEmpty(annotation));
        setLabelVisibility(gefDiagramElement.annotationLabel);
    }
}