@Override
protected List<?> createSelectionHandles() {
List<BendpointHandle> list = new ArrayList<BendpointHandle>();
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 SnappingBendpointCreationHandle(connEP, bendPointIndex, i));
// If the current user bendpoint matches a bend location, show a
// move handle
if (i < points.size() - 1
&& bendPointIndex < bendPoints.size()
&& currentBendPointMatches(currBendPoint, points.getPoint(i + 1))) {
list.add(new SnappingBendpointMoveHandle(connEP, bendPointIndex, i + 1));
// Go to the next user bendpoint
bendPointIndex++;
if (bendPointIndex < bendPoints.size())
currBendPoint = ((Bendpoint) bendPoints.get(bendPointIndex)).getLocation();
}
}
return list;
}
/*
* (non-Javadoc)
*
* @see org.eclipse.draw2d.Shape#paintFigure(org.eclipse.draw2d.Graphics)
*/
@Override
public void paintFigure(Graphics graphics) {
graphics.setLineWidth(2);
Rectangle r = getBounds();
// Define the points of a diamond
Point p1 = new Point(r.x, r.y + r.height / 2);
Point p2 = new Point(r.x + r.width / 2, r.y);
Point p3 = new Point(r.x + r.width, r.y + r.height / 2);
Point p4 = new Point(r.x + r.width / 2, r.y + r.height - 1);
PointList pointList = new PointList();
pointList.addPoint(p1);
pointList.addPoint(p2);
pointList.addPoint(p3);
pointList.addPoint(p4);
// Fill the shape
graphics.fillPolygon(pointList);
// Draw the outline
graphics.drawLine(p1, p2);
graphics.drawLine(p2, p3);
graphics.drawLine(p3, p4);
graphics.drawLine(p4, p1);
}
static {
RECTANGLE_TIP.addPoint(-2, 0);
RECTANGLE_TIP.addPoint(-1, 1);
RECTANGLE_TIP.addPoint(-0, 0);
RECTANGLE_TIP.addPoint(-1, -1);
RECTANGLE_TIP.addPoint(-2, 0);
}
/** @generated NOT */
private RotatableDecoration createTargetDecoration() {
PolygonDecoration df = new PolygonDecoration();
df.setLineWidth(1);
PointList pl = new PointList();
pl.addPoint(getMapMode().DPtoLP(4), getMapMode().DPtoLP(1));
pl.addPoint(getMapMode().DPtoLP(3), getMapMode().DPtoLP(3));
pl.addPoint(getMapMode().DPtoLP(1), getMapMode().DPtoLP(4));
pl.addPoint(getMapMode().DPtoLP(-1), getMapMode().DPtoLP(4));
pl.addPoint(getMapMode().DPtoLP(-3), getMapMode().DPtoLP(3));
pl.addPoint(getMapMode().DPtoLP(-4), getMapMode().DPtoLP(1));
pl.addPoint(getMapMode().DPtoLP(-4), getMapMode().DPtoLP(-1));
pl.addPoint(getMapMode().DPtoLP(-3), getMapMode().DPtoLP(-3));
pl.addPoint(getMapMode().DPtoLP(-1), getMapMode().DPtoLP(-4));
pl.addPoint(getMapMode().DPtoLP(1), getMapMode().DPtoLP(-4));
pl.addPoint(getMapMode().DPtoLP(3), getMapMode().DPtoLP(-3));
pl.addPoint(getMapMode().DPtoLP(4), getMapMode().DPtoLP(-1));
pl.addPoint(getMapMode().DPtoLP(4), getMapMode().DPtoLP(1));
df.setTemplate(pl);
df.setScale(getMapMode().DPtoLP(1), getMapMode().DPtoLP(1));
df.setBackgroundColor(ColorConstants.white);
return df;
}
public void performLayout() {
Rectangle fromBox = fromFigure.getLayoutDimensions();
Rectangle toBox = toFigure.getLayoutDimensions();
Point fromPoint = pointOnSide(fromBox, exitSide, exitTweak);
Point toPoint = pointOnSide(toBox, entrySide, entryTweak);
Point middlePoint;
if (isHorizontal(exitSide))
if (isHorizontal(entrySide)) { // both horizontal, ignore entryTweak and entryPoint.y
middlePoint = new Point((fromPoint.x + toPoint.x) / 2, fromPoint.y);
toPoint.y = fromPoint.y; // make line vertical
} else { // from horizontal, to vertical
middlePoint =
new Point(
toBox.x + toBox.width / 2 + entryTweak, fromBox.y + fromBox.height / 2 + exitTweak);
}
else if (isHorizontal(entrySide)) { // from vertical, to horizontal
middlePoint =
new Point(
fromBox.x + fromBox.width / 2 + exitTweak, toBox.y + toBox.height / 2 + entryTweak);
} else { // both vertical, ignore entryTweak and entryPoint.x
middlePoint = new Point(fromPoint.x, (fromPoint.y + toPoint.y) / 2);
toPoint.x = fromPoint.x; // make line horizontal
}
nonTranslatedPoints = new PointList();
nonTranslatedPoints.addPoint(fromPoint);
nonTranslatedPoints.addPoint(middlePoint);
nonTranslatedPoints.addPoint(toPoint);
if (actionFigure != null) actionFigure.performCenteredLayout(middlePoint.x, middlePoint.y);
}
protected PointList getTemplate() {
PointList pl = new PointList();
pl.addPoint(-1, -2);
pl.addPoint(1, 0);
pl.addPoint(-1, 2);
pl.addPoint(-1, -2);
return pl;
}
protected List<BezierPoint> getBezierPoints(PointList points, double zoom) {
List<BezierPoint> ret = new ArrayList<BezierPoint>(points.size());
for (int i = 0; i < points.size(); i++) {
int bezierDistance = (int) (getGeneralBezierDistance() * zoom);
Point point = points.getPoint(i);
ret.add(new BezierPoint(point.x, point.y, bezierDistance, bezierDistance));
}
return ret;
}
/**
* Create a decoration for the composition
*
* @return the new decoration
*/
private PolygonDecoration createCompositionDecoration() {
PolygonDecoration decoration = new PolygonDecoration();
PointList decorationPointList = new PointList();
decorationPointList.addPoint(0, 0);
decorationPointList.addPoint(-1, 1);
decorationPointList.addPoint(-2, 0);
decorationPointList.addPoint(-1, -1);
decoration.setTemplate(decorationPointList);
decoration.setScale(10, 5);
return decoration;
}
/**
* Sets the start and end points for the given connection.
*
* @param conn The connection
*/
protected void setEndPoints(Connection conn) {
PointList points = conn.getPoints();
points.removeAllPoints();
Point start = getStartPoint(conn);
Point end = getEndPoint(conn);
conn.translateToRelative(start);
conn.translateToRelative(end);
points.addPoint(start);
points.addPoint(end);
conn.setPoints(points);
}
private Point getPointForEnd(PointList points) {
Point point = null;
if (end == End_c.Middle) {
point = points.getMidpoint();
} else if (end == End_c.Start) {
point = points.getFirstPoint();
} else if (end == End_c.End) {
point = points.getLastPoint();
}
return point;
}
public void paintFigure(Graphics g) {
Rectangle r = bounds;
PointList pl = new PointList(4);
pl.addPoint(r.x + r.width / 2, r.y);
pl.addPoint(r.x, r.y + r.height / 2);
pl.addPoint(r.x + r.width / 2, r.y + r.height - 1);
pl.addPoint(r.x + r.width, r.y + r.height / 2);
g.drawPolygon(pl);
g.drawText(message, r.x + r.width / 4 + 5, r.y + 3 * r.height / 8);
g.drawText("N", r.x + 7 * r.width / 8, r.y + 3 * r.height / 8);
g.drawText("Y", r.x + r.width / 2 - 2, r.y + 3 * r.height / 4);
}
/**
* Create a decoration for the aggregation
*
* @return the new decoration
*/
private PolygonDecoration createAggregationDecoration() {
PolygonDecoration decoration = new PolygonDecoration();
PointList decorationPointList = new PointList();
decorationPointList.addPoint(0, 0);
decorationPointList.addPoint(-1, 1);
decorationPointList.addPoint(-2, 0);
decorationPointList.addPoint(-1, -1);
decoration.setBackgroundColor(ModelerColorConstants.white);
decoration.setTemplate(decorationPointList);
decoration.setScale(10, 5);
return decoration;
}
/** @generated */
private RotatableDecoration createTargetDecoration() {
PolygonDecoration df = new PolygonDecoration();
df.setFill(true);
df.setBackgroundColor(ColorConstants.black);
PointList pl = new PointList();
pl.addPoint(getMapMode().DPtoLP(0), getMapMode().DPtoLP(0));
pl.addPoint(getMapMode().DPtoLP(-1), getMapMode().DPtoLP(1));
pl.addPoint(getMapMode().DPtoLP(-1), getMapMode().DPtoLP(-1));
pl.addPoint(getMapMode().DPtoLP(0), getMapMode().DPtoLP(0));
df.setTemplate(pl);
df.setScale(getMapMode().DPtoLP(7), getMapMode().DPtoLP(3));
return df;
}
@Override
public boolean test() throws Exception {
boolean location = false;
PointList points = ((PolylineConnectionEx) connectionEditPart.getFigure()).getPoints();
if (checkFirstBendpoint) {
location = !initialLocation.equals(points.getFirstPoint());
} else if (checkLastBendpoint) {
location = !initialLocation.equals(points.getLastPoint());
} else if (bendpointPosition >= 0 || bendpointPosition < points.size()) {
location = !initialLocation.equals(points.getPoint(bendpointPosition));
}
return location;
}
/** @see IFigure#validate() */
@Override
public void validate() {
super.validate();
Rectangle r = new Rectangle();
r.setBounds(getBounds());
r.crop(getInsets());
r.resize(-1, -1);
int size;
switch (direction & (NORTH | SOUTH)) {
case 0: // East or west.
size = Math.min(r.height / 2, r.width);
r.x += (r.width - size) / 2;
break;
default: // North or south
size = Math.min(r.height, r.width / 2);
r.y += (r.height - size) / 2;
break;
}
size = Math.max(size, 1); // Size cannot be negative
Point head, p2, p3;
switch (direction) {
case NORTH:
head = new Point(r.x + r.width / 2, r.y);
p2 = new Point(head.x - size, head.y + size);
p3 = new Point(head.x + size, head.y + size);
break;
case SOUTH:
head = new Point(r.x + r.width / 2, r.y + size);
p2 = new Point(head.x - size, head.y - size);
p3 = new Point(head.x + size, head.y - size);
break;
case WEST:
head = new Point(r.x, r.y + r.height / 2);
p2 = new Point(head.x + size, head.y - size);
p3 = new Point(head.x + size, head.y + size);
break;
default:
head = new Point(r.x + size, r.y + r.height / 2);
p2 = new Point(head.x - size, head.y - size);
p3 = new Point(head.x - size, head.y + size);
}
triangle.removeAllPoints();
triangle.addPoint(head);
triangle.addPoint(p2);
triangle.addPoint(p3);
}
/**
* getPointsFromConstraint Utility method retrieve the PointList equivalent of the bendpoint
* constraint set in the Connection.
*
* @param conn Connection to retrieve the constraint from.
* @return PointList list of points that is the direct equivalent of the set constraint.
*/
public PointList getPointsFromConstraint(final Connection conn) {
final List bendpoints = (List) conn.getRoutingConstraint();
if (bendpoints == null) {
return new PointList();
}
final PointList points = new PointList(bendpoints.size());
for (int i = 0; i < bendpoints.size(); i++) {
final Bendpoint bp = (Bendpoint) bendpoints.get(i);
points.addPoint(bp.getLocation());
}
DTreeRouter.straightenPoints(points, MapModeUtil.getMapMode(conn).DPtoLP(3));
return points;
}
public DsToExcelConnectionFigure(DatasetToGridConnection con) {
super();
this.con = con;
PolygonDecoration pd = new PolygonDecoration();
PointList pl = new PointList();
pl.addPoint(0, 0);
pl.addPoint(-2, 2);
pl.addPoint(0, 0);
pl.addPoint(-2, -2);
pd.setTemplate(pl);
setLineStyle(SWT.LINE_DASH);
setTargetDecoration(pd);
setConnectionRouter(new BendpointConnectionRouter());
setForegroundColor(Display.getCurrent().getSystemColor(SWT.COLOR_DARK_YELLOW));
}
/**
* Due to the on the fly creation of bendpoints we must gather the points using the routing
* constraint as the connection may not be routed yet, meaning the points in the connection are
* not up to date
*
* @param connectionFigure
* @return
*/
private PointList getPoints(Connection connectionFigure) {
PointList points = new PointList();
if (connectionFigure.getConnectionRouter() instanceof RectilinearRouter) {
points.addAll(connectionFigure.getPoints());
((RectilinearRouter) connectionFigure.getConnectionRouter()).route(connectionFigure);
return points;
} else {
List<?> bendpoints =
(List<?>) connectionFigure.getConnectionRouter().getConstraint(connectionFigure);
if (bendpoints == null) {
bendpoints = Collections.EMPTY_LIST;
}
Point firstPoint = connectionFigure.getPoints().getFirstPoint();
Point lastPoint = connectionFigure.getPoints().getLastPoint();
if ((firstPoint.x == 100 && firstPoint.y == 100)
|| (lastPoint.x == 100 && lastPoint.y == 100)) {
// the connection may need to be routed
// as well as the source and target if connectors
if (parent instanceof ConnectorEditPart) {
ConnectorEditPart con = (ConnectorEditPart) parent;
if (con.getSource() instanceof ConnectorEditPart) {
ConnectorEditPart source = (ConnectorEditPart) con.getSource();
source.getConnectionFigure().getConnectionRouter().route(source.getConnectionFigure());
}
if (con.getTarget() instanceof ConnectorEditPart) {
ConnectorEditPart target = (ConnectorEditPart) con.getTarget();
target.getConnectionFigure().getConnectionRouter().route(target.getConnectionFigure());
}
}
connectionFigure.getConnectionRouter().route(connectionFigure);
}
if (connectionFigure.getPoints().size() != bendpoints.size()) {
// rectilinear will have the start and end points in the
// routing constraint
points.addPoint(connectionFigure.getPoints().getFirstPoint());
}
for (int i = 0; i < bendpoints.size(); i++) {
Bendpoint bp = (Bendpoint) bendpoints.get(i);
points.addPoint(bp.getLocation());
}
if (connectionFigure.getPoints().size() != bendpoints.size()) {
points.addPoint(connectionFigure.getPoints().getLastPoint());
}
}
return points;
}
protected FlowFigure createFlowFigure(boolean directed) {
FlowFigure flowFigure = new FlowFigure();
if (directed) {
PolygonDecoration decoration = new PolygonDecoration();
PointList template = new PointList();
template.addPoint(0, -LINE_WIDTH / 2);
template.addPoint(0, LINE_WIDTH / 2);
template.addPoint(-ARROW_LENGTH, LINE_WIDTH / 2 + 10);
template.addPoint(-ARROW_LENGTH, -(LINE_WIDTH / 2 + 10));
decoration.setTemplate(template);
decoration.setScale(1, 1);
flowFigure.setTargetDecoration(decoration);
}
flowFigure.setForegroundColor(DASHBOARD_FG);
flowFigure.setLineWidth(LINE_WIDTH);
return flowFigure;
}
private void processStaleConnections() {
Iterator<Connection> iter = staleConnections.iterator();
if (iter.hasNext() && connectionToPaths == null) {
connectionToPaths = new HashMap<Connection, Path>();
hookAll();
}
while (iter.hasNext()) {
Connection conn = (Connection) iter.next();
Path path = (Path) connectionToPaths.get(conn);
if (path == null) {
path = new Path(conn);
connectionToPaths.put(conn, path);
algorithm.addPath(path);
}
List<?> constraint = (List<?>) getConstraint(conn);
if (constraint == null) {
constraint = Collections.EMPTY_LIST;
}
Point start = conn.getSourceAnchor().getReferencePoint().getCopy();
Point end = conn.getTargetAnchor().getReferencePoint().getCopy();
container.translateToRelative(start);
container.translateToRelative(end);
path.setStartPoint(start);
path.setEndPoint(end);
if (!constraint.isEmpty()) {
PointList bends = new PointList(constraint.size());
for (int i = 0; i < constraint.size(); i++) {
Bendpoint bp = (Bendpoint) constraint.get(i);
bends.addPoint(bp.getLocation());
}
path.setBendPoints(bends);
} else {
path.setBendPoints(null);
}
isDirty |= path.isDirty;
}
staleConnections.clear();
}
/** {@inheritDoc} */
public PointList getDrawPoints() {
PointList result = new PointList();
Rectangle bounds = getBounds();
double cellWidth = bounds.preciseWidth() * 0.618;
double cellHeight = bounds.preciseHeight() / 2;
result.addPoint(new PrecisionPoint(0.0, 0.0));
// result.addPoint(new PrecisionPoint(cellWidth * 2, 0.0));
result.addPoint(new PrecisionPoint(cellWidth, 0.0));
result.addPoint(new PrecisionPoint(bounds.preciseWidth(), cellHeight));
result.addPoint(new PrecisionPoint(cellWidth, bounds.preciseHeight()));
// result.addPoint(new PrecisionPoint(cellWidth * 2, bounds.preciseHeight()));
result.addPoint(new PrecisionPoint(0.0, bounds.preciseHeight()));
// result.addPoint(new PrecisionPoint(cellWidth, cellHeight));
return result;
}
/**
* UpdateConstraint Updates the constraint value for the connection based on the tree vertex.
*
* @param conn Connection whose constraint is to be updated.
*/
protected void updateConstraint(final Connection conn) {
boolean update =
conn != null && conn.getSourceAnchor() != null && conn.getTargetAnchor() != null;
update =
update
&& conn.getSourceAnchor().getOwner() != null
&& conn.getTargetAnchor().getOwner() != null;
if (update) {
if (isUpdatingPeers()) {
return;
}
List bendpoints = (List) conn.getRoutingConstraint();
if (bendpoints == null) {
bendpoints = new ArrayList(conn.getPoints().size());
}
final Point sourceRefPoint = conn.getSourceAnchor().getReferencePoint();
conn.translateToRelative(sourceRefPoint);
final Point targetRefPoint = conn.getTargetAnchor().getReferencePoint();
conn.translateToRelative(targetRefPoint);
final Point ptTrunk = getTrunkLocation(conn);
final Point ptSource = getBranchRouter().getSourceLocation(conn, ptTrunk);
bendpoints.clear();
final PointList pts = getBranchRouter().recreateBranch(conn, ptSource, ptTrunk);
for (int i = 0; i < pts.size(); i++) {
final Bendpoint bp = new AbsoluteBendpoint(pts.getPoint(i));
bendpoints.add(bp);
}
setUpdatingPeers(true);
try {
setConstraint(conn, bendpoints);
conn.invalidate();
conn.validate();
} finally {
setUpdatingPeers(false);
}
}
}
public void testMoveShape() {
List newConstraint = initializeConstraint(test1, test1Start, test1End, test1Other);
getTreeRouter().setConstraint(getConnection1(), newConstraint);
getTreeRouter().route(getConnection2());
getTreeRouter().route(getConnection1());
Rectangle newBounds = new Rectangle(test1Start);
newBounds.translate(4000, 4000);
getConnection1().getSourceAnchor().getOwner().setBounds(newBounds);
getTreeRouter().route(getConnection1());
getConnection2().validate();
PointList c1Pts = getConnection1().getPoints();
PointList c2Pts = getConnection2().getPoints();
assertTrue(
"Trunk values don't match after tree routing", //$NON-NLS-1$
c1Pts.getPoint(2).equals(c2Pts.getPoint(2)));
}
/** @param newConstraint */
private void validateConstraint(List newConstraint) {
getTreeRouter().setConstraint(getConnection1(), newConstraint);
PointList ptl1 = getTreeRouter().getPointsFromConstraint(getConnection1());
getTreeRouter().route(getConnection2());
getTreeRouter().route(getConnection1());
assertTrue(
"Connection1 points aren't orthogonal", //$NON-NLS-1$
getTreeRouter().isOrthogonalTreeBranch(getConnection1(), ptl1));
PointList c1Pts = getConnection1().getPoints();
PointList c2Pts = getConnection2().getPoints();
assertTrue(
"Connection2 points aren't orthogonal", //$NON-NLS-1$
getTreeRouter().isOrthogonalTreeBranch(getConnection2(), c2Pts));
assertTrue(
"Trunk values don't match after tree routing", //$NON-NLS-1$
c1Pts.getPoint(2).equals(c2Pts.getPoint(2)));
}
private Point getAbsoluteEdgeExtremity(
ConnectionNodeEditPart editPart, boolean isStart, Float[] preferPosition) {
if (editPart == null) {
return null;
}
PointList points = editPart.getConnectionFigure().getPoints().getCopy();
if (points.size() == 2
&& new Point(0, 0).equals(points.getFirstPoint())
&& new Point(100, 100).equals(points.getLastPoint())) {
// not display yet.
if (preferPosition != null) {
if (isStart && preferPosition[0] != null) {
return new Point(0, preferPosition[0].intValue());
} else if (!isStart && preferPosition[1] != null) {
return new Point(0, preferPosition[1].intValue());
}
}
return SequenceUtil.getAbsoluteEdgeExtremity(editPart, isStart, false);
}
return SequenceUtil.getAbsoluteEdgeExtremity(editPart, isStart, true);
}
/**
* straightenPoints This is a simpler version of the.
*
* @see updateIfNotRectilinear that simply ensures that the lines are horizontal or vertical
* without any intelligence in terms of shortest distance around a rectangle.
* @param newLine PointList to check for rectilinear qualities and change if necessary.
* @param tolerance int tolerance value by which points will be straightened in HiMetrics
*/
protected static void straightenPoints(final PointList newLine, final int tolerance) {
for (int i = 0; i < newLine.size() - 1; i++) {
final Point ptCurrent = newLine.getPoint(i);
final Point ptNext = newLine.getPoint(i + 1);
final int xDelta = Math.abs(ptNext.x - ptCurrent.x);
final int yDelta = Math.abs(ptNext.y - ptCurrent.y);
if (xDelta < yDelta) {
if (xDelta > tolerance) {
return;
}
if (i == newLine.size() - 2) {
// The last point is more important than the other (not
// change the end of the line)
ptCurrent.x = ptNext.x;
} else {
ptNext.x = ptCurrent.x;
}
} else {
if (yDelta > tolerance) {
return;
}
if (i == newLine.size() - 2) {
// The last point is more important than the other (not
// change the end of the line)
ptCurrent.y = ptNext.y;
} else {
ptNext.y = ptCurrent.y;
}
}
newLine.setPoint(ptNext, i + 1);
}
}
/**
* This method is used to compute the shapes polygon points. This is currently based on the shapes
* bounding box.
*
* @param rect the rectangle that the shape will fit in
*/
protected PointList calculatePoints(Rectangle rect) {
double xOffset = rect.preciseWidth() * factor;
double yOffset = rect.preciseHeight() * factor;
PointList points = new PrecisionPointList();
Point p1 = new PrecisionPoint(rect.preciseX(), rect.preciseY() + yOffset);
Point p2 = new PrecisionPoint(rect.preciseX() + xOffset, rect.preciseY());
Point p3 = new PrecisionPoint(rect.preciseX() + rect.preciseWidth() - xOffset, rect.preciseY());
Point p4 =
new PrecisionPoint(rect.preciseX() + rect.preciseWidth() - 1, rect.preciseY() + yOffset);
Point p5 = new PrecisionPoint(p4.preciseX(), rect.preciseY() + rect.preciseHeight() - yOffset);
Point p6 = new PrecisionPoint(p3.preciseX(), rect.preciseY() + rect.preciseHeight() - 1);
Point p7 = new PrecisionPoint(p2.preciseX(), p6.preciseY());
Point p8 = new PrecisionPoint(rect.preciseX(), p5.preciseY());
points.addPoint(p1);
points.addPoint(p2);
points.addPoint(p3);
points.addPoint(p4);
points.addPoint(p5);
points.addPoint(p6);
points.addPoint(p7);
points.addPoint(p8);
points.addPoint(p1);
return points;
}
private boolean trunkVertexEqual(final Connection connMaster, final Connection connSlave) {
final PointList cmPts = connMaster.getPoints();
final PointList csPts = connSlave.getPoints();
if (cmPts.size() > 2 && csPts.size() > 2) {
return cmPts.getPoint(2).equals(csPts.getPoint(2));
}
return false;
}
static {
points.addPoint(2, 10);
points.addPoint(2, 2);
points.addPoint(4, 4);
points.addPoint(6, 5);
points.addPoint(7, 5);
points.addPoint(8, 5);
points.addPoint(10, 4);
points.addPoint(12, 2);
points.addPoint(12, 10);
}
/**
* Utility method to determine if the given set of points conforms to the constraints of being a
* connection tree-branch. 1. Points size must be 4. 2. Source point resides with-in boundary of
* source shape based on orientation 3. Target point resides with-in boundary of target shape
* based on orientation
*
* @param conn the <code>Connection</code> to test
* @param points the <code>PointList</code> to test constraints against
* @return <code>boolean</code> <code>true</code> if points represent valid tree branch, <code>
* false</code> otherwise.
*/
public boolean isTreeBranch(final Connection conn, final PointList points) {
boolean result = false;
if (points.size() == 4) {
// just check if ends are with-in the owner bounding box
final Rectangle targetBounds = getTargetAnchorRelativeBounds(conn);
final Rectangle sourceBounds = getSourceAnchorRelativeBounds(conn);
if (isTopDown(conn)) {
result =
(points.getPoint(0).x > sourceBounds.x
&& points.getPoint(0).x < sourceBounds.x + sourceBounds.width)
&& (points.getPoint(3).x > targetBounds.x
&& points.getPoint(3).x < targetBounds.x + targetBounds.width);
} else {
result =
(points.getPoint(0).y > sourceBounds.y
&& points.getPoint(0).y < sourceBounds.y + sourceBounds.height)
&& (points.getPoint(3).y > targetBounds.y
&& points.getPoint(3).y < targetBounds.y + targetBounds.height);
}
}
return result;
}
