Examples with PolylineConnectionEx org.eclipse.gmf.runtime.draw2d.ui.figures.PolylineConnectionEx used on opensource projects

Example 1 with PolylineConnectionEx

use of org.eclipse.gmf.runtime.draw2d.ui.figures.PolylineConnectionEx in project tdi-studio-se by Talend.

the class TalendBorderItemRectilinearRouter method manualPosition.

private boolean manualPosition(Connection conn, boolean horizontalHandle) {
    boolean isCreation = false;
    boolean isReconnect = false;
    boolean alreadyHandle = false;
    if (!(conn instanceof PolylineConnectionEx)) {
        return false;
    }
    if (this.request != null) {
        if (request instanceof CreateConnectionRequest) {
            isCreation = true;
        } else if (request instanceof ReconnectRequest) {
            isReconnect = true;
        }
    }
    IConnection connection = null;
    EConnectionCategory category = null;
    EConnectionType lineStyle = null;
    Rectangle sourceBounds = null;
    Rectangle targetBounds = null;
    if (conn instanceof ConnectionFigure) {
        connection = ((ConnectionFigure) conn).getConnection();
        if (!(connection.getSource() instanceof Node)) {
            return false;
        }
        lineStyle = connection.getLineStyle();
        category = lineStyle.getCategory();
        sourceBounds = new Rectangle(((Node) connection.getSource()).getLocation(), ((Node) connection.getSource()).getSize());
        targetBounds = new Rectangle(((Node) connection.getTarget()).getLocation(), ((Node) connection.getTarget()).getSize());
    }
    if (lineStyle == null) {
        lineStyle = ConnectionManager.getNewConnectionType();
        category = lineStyle.getCategory();
    }
    if (isCreation) {
        if (((CreateConnectionRequest) request).getSourceEditPart() == null) {
            return false;
        }
        if ((((CreateConnectionRequest) request).getTargetEditPart() == null) || horizontalHandle) {
            if (conn.getPoints().size() <= 2) {
                makeUpConnection(conn);
            }
            return false;
        }
    }
    if ((sourceBounds == null) && isCreation) {
        Node source = (Node) ((CreateConnectionRequest) request).getSourceEditPart().getModel();
        if (source != null) {
            sourceBounds = new Rectangle(source.getLocation(), source.getSize());
        }
    }
    if ((targetBounds == null) && isCreation) {
        Object obj = ((CreateConnectionRequest) request).getTargetEditPart().getModel();
        if (obj instanceof Node) {
            Node target = (Node) obj;
            if (target != null) {
                targetBounds = new Rectangle(target.getLocation(), target.getSize());
            }
        } else {
            Point lastPoint = conn.getPoints().getLastPoint();
            targetBounds = new Rectangle(lastPoint, new Dimension(2 * OFFSET, 2 * OFFSET));
        }
    }
    if (isReconnect) {
        if (((ReconnectRequest) request).getTarget() != null) {
            Object obj = ((ReconnectRequest) request).getTarget().getModel();
            if (obj instanceof Node) {
                Node target = (Node) obj;
                if (target != null) {
                    targetBounds = new Rectangle(target.getLocation(), target.getSize());
                }
            }
        } else {
            Point lastPoint = conn.getPoints().getLastPoint();
            targetBounds = new Rectangle(lastPoint, new Dimension(2 * OFFSET, 2 * OFFSET));
        }
    }
    if (targetBounds == null) {
        return false;
    }
    ((PolylineConnectionEx) conn).setRoundedBendpointsRadius(32);
    PointList points = conn.getPoints();
    PointList pointList = new PointList();
    Point firstpoint = points.getFirstPoint();
    Point lastpoint = points.getLastPoint();
    if (category == EConnectionCategory.MAIN && lineStyle != EConnectionType.FLOW_REF) {
        if ((sourceBounds.x > targetBounds.x) && (sourceBounds.y == targetBounds.y)) {
            pointList.addPoint(firstpoint);
            pointList.addPoint(firstpoint.x + OFFSET, firstpoint.y);
            pointList.addPoint(firstpoint.x + OFFSET, firstpoint.y + 2 * OFFSET);
            pointList.addPoint(lastpoint.x - OFFSET, lastpoint.y + 2 * OFFSET);
            pointList.addPoint(lastpoint.x - OFFSET, lastpoint.y);
            pointList.addPoint(lastpoint);
            alreadyHandle = true;
        } else if ((sourceBounds.x > targetBounds.x) || (sourceBounds.getTopRight().x == targetBounds.getTopLeft().x) || ((sourceBounds.getTopLeft().x == targetBounds.getTopRight().x) && (sourceBounds.getTopLeft().y != targetBounds.getTopRight().y))) {
            pointList.addPoint(firstpoint);
            pointList.addPoint(firstpoint.x + OFFSET, firstpoint.y);
            pointList.addPoint(firstpoint.x + OFFSET, (sourceBounds.getCenter().y + targetBounds.getCenter().y) / 2);
            pointList.addPoint(lastpoint.x - OFFSET, (sourceBounds.getCenter().y + targetBounds.getCenter().y) / 2);
            pointList.addPoint(lastpoint.x - OFFSET, lastpoint.y);
            pointList.addPoint(lastpoint);
            alreadyHandle = true;
        } else if (sourceBounds.x == targetBounds.x) {
            pointList.addPoint(firstpoint);
            pointList.addPoint(firstpoint.x + 2 * OFFSET, firstpoint.y);
            pointList.addPoint(firstpoint.x + 2 * OFFSET, (sourceBounds.getCenter().y + targetBounds.getCenter().y) / 2);
            pointList.addPoint(lastpoint.x - 2 * OFFSET, (sourceBounds.getCenter().y + targetBounds.getCenter().y) / 2);
            pointList.addPoint(lastpoint.x - 2 * OFFSET, lastpoint.y);
            pointList.addPoint(lastpoint);
            alreadyHandle = true;
        } else if (Math.abs(sourceBounds.getCenter().y - targetBounds.getCenter().y) == 4 * OFFSET) {
            if ((firstpoint.x + lastpoint.x) / 2 - OFFSET <= firstpoint.x) {
                return false;
            }
            ((PolylineConnectionEx) conn).setRoundedBendpointsRadius(16);
        }
    } else if (category == EConnectionCategory.OTHER && (lineStyle == EConnectionType.FLOW_REF || lineStyle == EConnectionType.TABLE_REF)) {
        if (targetBounds.y == sourceBounds.y) {
            pointList.addPoint(firstpoint);
            pointList.addPoint(firstpoint.x, firstpoint.y + OFFSET);
            pointList.addPoint(lastpoint.x, firstpoint.y + OFFSET);
            pointList.addPoint(lastpoint);
            alreadyHandle = true;
        } else if ((targetBounds.getTopRight().y == sourceBounds.getBottomLeft().y)) {
            pointList.addPoint(firstpoint);
            pointList.addPoint(firstpoint.x, firstpoint.y - OFFSET);
            pointList.addPoint(lastpoint.x, firstpoint.y - OFFSET);
            pointList.addPoint(lastpoint);
            alreadyHandle = true;
        } else if (targetBounds.getBottomLeft().y == sourceBounds.getTopRight().y) {
            pointList.addPoint(firstpoint);
            pointList.addPoint(firstpoint.x, firstpoint.y + OFFSET);
            pointList.addPoint(lastpoint.x, firstpoint.y + OFFSET);
            pointList.addPoint(lastpoint);
            alreadyHandle = true;
        } else if (Math.abs(sourceBounds.x - targetBounds.x) == 4 * OFFSET) {
            ((PolylineConnectionEx) conn).setRoundedBendpointsRadius(16);
        }
    }
    if (alreadyHandle && pointList.size() > 0) {
        conn.setPoints(pointList);
    }
    return alreadyHandle;
}