Java 类org.eclipse.gef.handles.BendpointMoveHandle 实例源码

@Override
protected List<?> createSelectionHandles() {
    final Relationship relation = (Relationship) getHost().getModel();
    if (relation.getSourceWalker() == relation.getTargetWalker()) {
        showSelectedLine();

        if (getHost().getRoot().getContents() instanceof ERDiagramEditPart) {
            // TODO ymd ここを通るケースを確認できず。消すかもしれない。
            final ERDiagramEditPart diagramEditPart = (ERDiagramEditPart) getHost().getRoot().getContents();
            diagramEditPart.refreshVisuals();
        }

        final List<BendpointMoveHandle> list = new ArrayList<>();
        list.add(new BendpointMoveHandle((ConnectionEditPart) getHost(), 1, 2));
        return list;
    }

    return super.createSelectionHandles();
}

private List createHandlesForUserBendpoints() {
    List list = new ArrayList();
    ConnectionEditPart connEP = (ConnectionEditPart) getHost();
    PointList points = getConnection().getPoints();
    List bendPoints = (List) getConnection().getRoutingConstraint();
    int bendPointIndex = 0;
    Point currBendPoint = null;

    if (bendPoints == null)
        bendPoints = NULL_CONSTRAINT;
    else if (!bendPoints.isEmpty())
        currBendPoint = ((Bendpoint) bendPoints.get(0)).getLocation();

    for (int i = 0; i < points.size() - 1; i++) {
        // Put a create handle on the middle of every segment
        list.add(new BendpointCreationHandle(connEP, bendPointIndex, i));

        // If the current user bendpoint matches a bend location, show a
        // move handle
        if (i < points.size() - 1 && bendPointIndex < bendPoints.size()
                && currBendPoint.equals(points.getPoint(i + 1))) {
            list.add(new BendpointMoveHandle(connEP, bendPointIndex, i + 1));

            // Go to the next user bendpoint
            bendPointIndex++;
            if (bendPointIndex < bendPoints.size())
                currBendPoint = ((Bendpoint) bendPoints.get(bendPointIndex))
                        .getLocation();
        }
    }

    return list;
}

@Override
protected List createSelectionHandles() {
    final Relation relation = (Relation) getHost().getModel();

    if (relation.getSource() == relation.getTarget()) {
        final List<BendpointMoveHandle> list = new ArrayList<BendpointMoveHandle>();

        final ConnectionEditPart connEP = (ConnectionEditPart) getHost();

        list.add(new BendpointMoveHandle(connEP, 1, 2));

        showSelectedLine();

        // ERDiagramEditPart diagramEditPart = (ERDiagramEditPart) this
        // .getHost().getRoot().getContents();
        // diagramEditPart.refreshVisuals();

        return list;
    }

    return super.createSelectionHandles();
}

@Override
protected List createSelectionHandles() {
    Relation relation = (Relation) getHost().getModel();

    if (relation.getSource() == relation.getTarget()) {
        List<BendpointMoveHandle> list = new ArrayList<BendpointMoveHandle>();

        ConnectionEditPart connEP = (ConnectionEditPart) getHost();

        list.add(new BendpointMoveHandle(connEP, 1, 2));

        this.showSelectedLine();

        // ERDiagramEditPart diagramEditPart = (ERDiagramEditPart) this
        // .getHost().getRoot().getContents();
        // diagramEditPart.refreshVisuals();

        return list;
    }

    return super.createSelectionHandles();
}

@Override
protected List createSelectionHandles() {
    Relation relation = (Relation) getHost().getModel();

    if (relation.getSource() == relation.getTarget()) {
        List<BendpointMoveHandle> list = new ArrayList<BendpointMoveHandle>();

        ConnectionEditPart connEP = (ConnectionEditPart) getHost();

        list.add(new BendpointMoveHandle(connEP, 1, 2));

        this.showSelectedLine();

        // ERDiagramEditPart diagramEditPart = (ERDiagramEditPart) this
        // .getHost().getRoot().getContents();
        // diagramEditPart.refreshVisuals();

        return list;
    }

    return super.createSelectionHandles();
}