Java Code Examples for org.eclipse.draw2d.Connection#getPoints()

The following examples show how to use org.eclipse.draw2d.Connection#getPoints() . You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may check out the related API usage on the sidebar.
Example 1
Source File: RailroadConnectionRouter.java    From xtext-eclipse with Eclipse Public License 2.0 5 votes vote down vote up 
@Override
public void route(Connection connection) {
	PointList points = connection.getPoints();
	points.removeAllPoints();
	Point startPoint = getStartPoint(connection);
	connection.translateToRelative(startPoint);
	points.addPoint(startPoint);
	Point endPoint = getEndPoint(connection);
	connection.translateToRelative(endPoint);
	Object constraint = getConstraint(connection);
	if (constraint instanceof BendConstraint) {
		int dx = Integer.signum(endPoint.x - startPoint.x) * ILayoutConstants.CONNECTION_RADIUS;
		int dy = Integer.signum(endPoint.y - startPoint.y) * ILayoutConstants.CONNECTION_RADIUS;
		// can be simplified but becomes unreadable
		if (((BendConstraint) constraint).isConvex()) {
			if (((BendConstraint) constraint).isStart()) {
				points.addPoint(startPoint.x - dx, startPoint.y + dy);
				points.addPoint(startPoint.x - dx, endPoint.y - dy);
				points.addPoint(startPoint.x , endPoint.y);
			} else {
				points.addPoint(endPoint.x, startPoint.y);
				points.addPoint(endPoint.x + dx, startPoint.y + dy);
				points.addPoint(endPoint.x + dx, endPoint.y - dy);
			}
		} else {
			if (((BendConstraint) constraint).isStart()) {
				points.addPoint(startPoint.x + dx, startPoint.y + dy);
				points.addPoint(startPoint.x + dx, endPoint.y - dy);
				points.addPoint(startPoint.x + 2 * dx, endPoint.y);
			} else {
				points.addPoint(endPoint.x - 2 * dx, startPoint.y);
				points.addPoint(endPoint.x - dx, startPoint.y + dy);
				points.addPoint(endPoint.x - dx, endPoint.y - dy);
			}
		}
	}
	points.addPoint(endPoint);
	connection.setPoints(points);
}
Example 2
Source File: FixedBendpointEditPolicy.java    From statecharts with Eclipse Public License 1.0 5 votes vote down vote up 
private PointList getInitialPoints(Connection connection) {
	ConnData cd = router.getCD(connection);
	if (cd != null) {
		return relbpUtil.convertToPointList(cd.initialVisualPoints);
	}
	return connection.getPoints();
}
Example 3
Source File: Animation.java    From olca-app with Mozilla Public License 2.0 5 votes vote down vote up 
static boolean playbackState(Connection conn) {
	if (!PLAYBACK) {
		return false;
	}

	PointList list1 = (PointList) initialStates.get(conn);
	PointList list2 = (PointList) finalStates.get(conn);
	if (list1 == null) {
		conn.setVisible(false);
		return true;
	}
	if (list1.size() == list2.size()) {
		Point pt1 = new Point(), pt2 = new Point();
		PointList points = conn.getPoints();
		points.removeAllPoints();
		for (int i = 0; i < list1.size(); i++) {
			list1.getPoint(pt2, i);
			list2.getPoint(pt1, i);
			pt1.x = (int) Math.round(pt1.x * progress + (1 - progress)
					* pt2.x);
			pt1.y = (int) Math.round(pt1.y * progress + (1 - progress)
					* pt2.y);
			points.addPoint(pt1);
		}
		conn.setPoints(points);
	}
	return true;
}
Example 4
Source File: TreeConnectionRouter.java    From olca-app with Mozilla Public License 2.0 5 votes vote down vote up 
@Override
public void route(Connection conn) {
	// pre route
	NULL.route(conn);

	// get points
	PointList points = conn.getPoints();
	Point first = points.getFirstPoint();
	Point last = points.getLastPoint();

	// distance from to point to connection anchor
	final int trans = GraphLayoutManager.verticalSpacing / 4;

	// create new list
	PointList newPoints = new PointList();
	// add first point
	newPoints.addPoint(first);

	// add 2 new points
	newPoints.addPoint(first.x, first.y - trans);
	newPoints.addPoint(last.x, last.y + trans);

	// add last point
	newPoints.addPoint(last);
	// set new list
	conn.setPoints(newPoints);
}
Example 5
Source File: ConnectionRouterImp.java    From olca-app with Mozilla Public License 2.0 5 votes vote down vote up 
@Override
public void route(Connection conn) {
	NULL.route(conn);
	PointList points = conn.getPoints();
	Point start = points.getFirstPoint();
	Point end = points.getLastPoint();
	points.removeAllPoints();
	points.addPoint(start);
	if (start.y > end.y)
		routeBottomToTop(start, end, points);
	else
		routeTopToBottom(start, end, points);
	points.addPoint(end);
}