/** Erases the guide and the feedback shown by the container of the elements. */
protected void eraseSourceFeedback() {
if (guideline.getParent() != null) {
guideline.getParent().remove(guideline);
}
if (_container != null) {
_container.eraseSourceFeedback(getSourceRequest());
}
ChangeBoundsRequest request = new ChangeBoundsRequest(RequestConstants.REQ_MOVE);
request.setEditParts(Collections.emptyList());
request.setSizeDelta(new Dimension(0, 0));
request.setMoveDelta(new Point(0, 0));
for (IGraphicalEditPart part : _movingShapes) {
part.eraseSourceFeedback(request);
}
ChangeBoundsRequest spRequest = new ChangeBoundsRequest(RequestConstants.REQ_RESIZE);
spRequest.setEditParts(Collections.emptyList());
spRequest.setSizeDelta(new Dimension(0, 0));
spRequest.setMoveDelta(new Point(0, 0));
for (IGraphicalEditPart sp : _subProcesses) {
sp.eraseSourceFeedback(spRequest);
}
}
/** Shows a nice guideline to show the move */
protected void showSourceFeedback() {
if (_container == null) {
return;
}
if (guideline.getParent() == null) {
addFeedback(guideline);
}
Rectangle bounds = Rectangle.SINGLETON.getCopy();
bounds.y = getCurrentPositionZoomed();
Rectangle containerBounds = _container.getFigure().getBounds().getCopy();
_container.getFigure().translateToAbsolute(containerBounds);
((DiagramEditPart) getCurrentViewer().getContents())
.getFigure()
.translateToRelative(containerBounds);
bounds.x = containerBounds.x;
bounds.height = 1;
bounds.width = containerBounds.width;
ZoomManager zoomManager =
((DiagramRootEditPart) getCurrentViewer().getRootEditPart()).getZoomManager();
bounds.performScale(zoomManager.getZoom());
guideline.setBounds(bounds);
guideline.setVisible(getState() == STATE_DRAG_IN_PROGRESS);
ChangeBoundsRequest request = new ChangeBoundsRequest(RequestConstants.REQ_MOVE);
request.setMoveDelta(((ChangeBoundsRequest) getSourceRequest()).getMoveDelta());
request.setSizeDelta(new Dimension(0, 0));
request.setEditParts(_movingShapes);
for (IGraphicalEditPart part : _movingShapes) {
part.showSourceFeedback(request);
}
ChangeBoundsRequest spRequest = new ChangeBoundsRequest(RequestConstants.REQ_RESIZE);
Point moveDelta = ((ChangeBoundsRequest) getSourceRequest()).getMoveDelta().getCopy();
Dimension spSizeDelta = new Dimension(moveDelta.x, moveDelta.y);
spRequest.setSizeDelta(spSizeDelta);
spRequest.setMoveDelta(new Point(0, 0));
spRequest.setEditParts(_subProcesses);
for (IGraphicalEditPart sp : _subProcesses) {
sp.showSourceFeedback(spRequest);
}
((DiagramEditPart) getCurrentViewer().getContents()).getRoot().refresh();
}
/** Test that GMF Text drop is not possible in a lifeline. */
public void testGMFTextDropInALifelineNotPossible() {
ChangeBoundsRequest changeBoundsRequest = new ChangeBoundsRequest(RequestConstants.REQ_ADD);
changeBoundsRequest.setEditParts(textEditPart);
Command dropGMFNoteInLifelineCmd = lifelineEditPart.getCommand(changeBoundsRequest);
assertFalse(
"The GMF Text should not be droppable in lifeline", dropGMFNoteInLifelineCmd.canExecute());
}
protected Command createNodeChangeBoundCommands(final List<ShapeEditPart> sortedNodes) {
final CompoundCommand result = new CompoundCommand();
final Iterator<ShapeEditPart> iterEditParts = sortedNodes.iterator();
while (iterEditParts.hasNext()) {
final ShapeEditPart shapeEditPart = iterEditParts.next();
final ChangeBoundsRequest request =
new ChangeBoundsRequest(org.eclipse.gef.RequestConstants.REQ_MOVE);
request.setEditParts(shapeEditPart);
final Point ptLocation = new Point(0, 0);
// the zoom.
double scale = 1.0;
if (shapeEditPart.getRoot() instanceof DiagramRootEditPart) {
final ZoomManager zoomManager =
((DiagramRootEditPart) shapeEditPart.getRoot()).getZoomManager();
scale = zoomManager.getZoom();
}
// Compute request data.
final Point ptOldLocation = shapeEditPart.getFigure().getBounds().getLocation();
final Dimension delta = ptLocation.getDifference(ptOldLocation);
request.setMoveDelta(new PrecisionPoint(delta.width * scale, delta.height * scale));
request.setLocation(new PrecisionPoint(ptLocation.x * scale, ptLocation.y * scale));
final Command cmd = this.buildCommandWrapper(request, shapeEditPart);
result.add(cmd);
}
return result;
}
@Override
protected void updateSourceRequest() {
ChangeBoundsRequest request = (ChangeBoundsRequest) getSourceRequest();
Dimension d = getDragMoveDelta();
Point location = new Point(getLocation());
Point moveDelta = new Point(0, 0);
Dimension resizeDelta = new Dimension(0, 0);
request.setConstrainedResize(false);
request.setCenteredResize(getCurrentInput().isModKeyDown(SWT.MOD1));
if ((getResizeDirection() & PositionConstants.NORTH) != 0) {
moveDelta.y += d.height;
resizeDelta.height -= d.height;
}
if ((getResizeDirection() & PositionConstants.SOUTH) != 0) {
resizeDelta.height += d.height;
}
if ((getResizeDirection() & PositionConstants.WEST) != 0) {
moveDelta.x += d.width;
resizeDelta.width -= d.width;
}
if ((getResizeDirection() & PositionConstants.EAST) != 0) {
resizeDelta.width += d.width;
}
request.setMoveDelta(moveDelta);
request.setSizeDelta(resizeDelta);
request.setLocation(location);
request.setEditParts(getOperationSet());
request.getExtendedData().clear();
// TODO: snapping
}
private Collection<ChangeBoundsRequest> getConstrainedRegionRequests(
ChangeBoundsRequest request) {
Collection<ChangeBoundsRequest> constrainedRequests = Lists.newArrayList();
RequestQuery query = new RequestQuery(request);
Dimension sizeDelta = request.getSizeDelta().getCopy();
Point moveDelta = request.getMoveDelta().getCopy();
List<AbstractDiagramElementContainerEditPart> regionToResize = getRegionParts();
int stackDirection = getStackDirection();
// Handle first and last regions.
Object resizePropagator = request.getExtendedData().get(REGION_RESIZE_PROPAGATOR);
if (query.isResizeFromTop() && stackDirection == PositionConstants.NORTH_SOUTH
|| query.isResizeFromLeft() && stackDirection == PositionConstants.EAST_WEST) {
Option<AbstractDiagramElementContainerEditPart> firstRegionPart = getFirstRegionPart();
if (firstRegionPart.some()
&& (!request.isConstrainedResize() || resizePropagator != firstRegionPart.get())) {
ChangeBoundsRequest req = initConstrainedRequest(request);
req.setEditParts(firstRegionPart.get());
req.setSizeDelta(sizeDelta.getCopy());
constrainedRequests.add(req);
}
// shift all other regions.
regionToResize.remove(firstRegionPart.get());
if (!regionToResize.isEmpty()
&& (!request.isConstrainedResize() || !regionToResize.contains(resizePropagator))) {
ChangeBoundsRequest req = initConstrainedRequest(request);
req.setEditParts(Lists.newArrayList(regionToResize));
if (stackDirection == PositionConstants.NORTH_SOUTH) {
req.setSizeDelta(new Dimension(sizeDelta.width, 0));
req.setMoveDelta(new Point(0, -moveDelta.y));
} else if (stackDirection == PositionConstants.EAST_WEST) {
req.setSizeDelta(new Dimension(0, sizeDelta.height));
req.setMoveDelta(new Point(-moveDelta.x, 0));
}
constrainedRequests.add(req);
regionToResize.clear();
}
} else if (query.isResizeFromBottom() && stackDirection == PositionConstants.NORTH_SOUTH
|| query.isResizeFromRight() && stackDirection == PositionConstants.EAST_WEST) {
// Resize the last region.
Option<AbstractDiagramElementContainerEditPart> lastRegionPart = getLastRegionPart();
if (lastRegionPart.some()
&& (!request.isConstrainedResize() || resizePropagator != lastRegionPart.get())) {
ChangeBoundsRequest req = initConstrainedRequest(request);
req.setEditParts(lastRegionPart.get());
req.setSizeDelta(sizeDelta.getCopy());
constrainedRequests.add(req);
regionToResize.remove(lastRegionPart.get());
}
}
// Handle horizontal resize for vstacks and vertical resize for hstacks.
if (request.isConstrainedResize() && resizePropagator != null) {
regionToResize.remove(resizePropagator);
}
if (!regionToResize.isEmpty()) {
if (stackDirection == PositionConstants.NORTH_SOUTH
&& (query.isResizeFromLeft() || query.isResizeFromRight())
&& sizeDelta.width != 0) {
ChangeBoundsRequest req = initConstrainedRequest(request);
req.setEditParts(Lists.newArrayList(regionToResize));
req.setSizeDelta(new Dimension(sizeDelta.width, 0));
constrainedRequests.add(req);
} else if (stackDirection == PositionConstants.EAST_WEST
&& (query.isResizeFromTop() || query.isResizeFromBottom())
&& sizeDelta.height != 0) {
ChangeBoundsRequest req = initConstrainedRequest(request);
req.setEditParts(Lists.newArrayList(regionToResize));
req.setSizeDelta(new Dimension(0, sizeDelta.height));
constrainedRequests.add(req);
}
}
return constrainedRequests;
}