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Diffstat (limited to 'plugins/uml/diagram/org.eclipse.papyrus.uml.diagram.sequence/custom-src/org/eclipse/papyrus/uml/diagram/sequence/edit/policies/CustomDiagramDragDropEditPolicy.java')
-rw-r--r--plugins/uml/diagram/org.eclipse.papyrus.uml.diagram.sequence/custom-src/org/eclipse/papyrus/uml/diagram/sequence/edit/policies/CustomDiagramDragDropEditPolicy.java402
1 files changed, 1 insertions, 401 deletions
diff --git a/plugins/uml/diagram/org.eclipse.papyrus.uml.diagram.sequence/custom-src/org/eclipse/papyrus/uml/diagram/sequence/edit/policies/CustomDiagramDragDropEditPolicy.java b/plugins/uml/diagram/org.eclipse.papyrus.uml.diagram.sequence/custom-src/org/eclipse/papyrus/uml/diagram/sequence/edit/policies/CustomDiagramDragDropEditPolicy.java
index e41297e55b8..e63ff79ba87 100644
--- a/plugins/uml/diagram/org.eclipse.papyrus.uml.diagram.sequence/custom-src/org/eclipse/papyrus/uml/diagram/sequence/edit/policies/CustomDiagramDragDropEditPolicy.java
+++ b/plugins/uml/diagram/org.eclipse.papyrus.uml.diagram.sequence/custom-src/org/eclipse/papyrus/uml/diagram/sequence/edit/policies/CustomDiagramDragDropEditPolicy.java
@@ -24,7 +24,6 @@ import java.util.Set;
import org.eclipse.core.commands.operations.IUndoableOperation;
import org.eclipse.core.runtime.IAdaptable;
-import org.eclipse.draw2d.ConnectionAnchor;
import org.eclipse.draw2d.geometry.Dimension;
import org.eclipse.draw2d.geometry.Point;
import org.eclipse.draw2d.geometry.Rectangle;
@@ -34,18 +33,14 @@ import org.eclipse.gef.GraphicalViewer;
import org.eclipse.gef.commands.Command;
import org.eclipse.gef.commands.CompoundCommand;
import org.eclipse.gef.commands.UnexecutableCommand;
-import org.eclipse.gef.requests.CreateConnectionRequest;
import org.eclipse.gmf.runtime.common.core.command.CompositeCommand;
import org.eclipse.gmf.runtime.common.core.command.ICommand;
import org.eclipse.gmf.runtime.diagram.core.edithelpers.CreateElementRequestAdapter;
import org.eclipse.gmf.runtime.diagram.core.util.ViewUtil;
import org.eclipse.gmf.runtime.diagram.ui.commands.CommandProxy;
import org.eclipse.gmf.runtime.diagram.ui.commands.ICommandProxy;
-import org.eclipse.gmf.runtime.diagram.ui.editparts.ConnectionNodeEditPart;
-import org.eclipse.gmf.runtime.diagram.ui.editparts.DiagramEditPart;
import org.eclipse.gmf.runtime.diagram.ui.editparts.GraphicalEditPart;
import org.eclipse.gmf.runtime.diagram.ui.editparts.IGraphicalEditPart;
-import org.eclipse.gmf.runtime.diagram.ui.editparts.INodeEditPart;
import org.eclipse.gmf.runtime.diagram.ui.requests.CreateConnectionViewRequest;
import org.eclipse.gmf.runtime.diagram.ui.requests.CreateViewRequest;
import org.eclipse.gmf.runtime.diagram.ui.requests.CreateViewRequest.ViewDescriptor;
@@ -65,11 +60,8 @@ import org.eclipse.papyrus.infra.gmfdiag.common.utils.DiagramEditPartsUtil;
import org.eclipse.papyrus.infra.gmfdiag.common.utils.DiagramUtils;
import org.eclipse.papyrus.uml.diagram.common.commands.DeferredCreateCommand;
import org.eclipse.papyrus.uml.diagram.common.editpolicies.CommonDiagramDragDropEditPolicy;
-import org.eclipse.papyrus.uml.diagram.common.helper.DurationConstraintHelper;
-import org.eclipse.papyrus.uml.diagram.common.helper.DurationObservationHelper;
import org.eclipse.papyrus.uml.diagram.sequence.command.CreateLocatedConnectionViewCommand;
import org.eclipse.papyrus.uml.diagram.sequence.command.OLDCreateGateViewCommand;
-import org.eclipse.papyrus.uml.diagram.sequence.command.RestoreDurationConstraintLinkCommand;
import org.eclipse.papyrus.uml.diagram.sequence.command.SetResizeAndLocationCommand;
import org.eclipse.papyrus.uml.diagram.sequence.edit.parts.AbstractExecutionSpecificationEditPart;
import org.eclipse.papyrus.uml.diagram.sequence.edit.parts.ActionExecutionSpecificationEditPart;
@@ -85,9 +77,6 @@ import org.eclipse.papyrus.uml.diagram.sequence.edit.parts.ConstraintConstrained
import org.eclipse.papyrus.uml.diagram.sequence.edit.parts.ConstraintEditPart;
import org.eclipse.papyrus.uml.diagram.sequence.edit.parts.ContinuationEditPart;
import org.eclipse.papyrus.uml.diagram.sequence.edit.parts.DestructionOccurrenceSpecificationEditPart;
-import org.eclipse.papyrus.uml.diagram.sequence.edit.parts.DurationConstraintEditPart;
-import org.eclipse.papyrus.uml.diagram.sequence.edit.parts.DurationConstraintInMessageEditPart;
-import org.eclipse.papyrus.uml.diagram.sequence.edit.parts.DurationObservationEditPart;
import org.eclipse.papyrus.uml.diagram.sequence.edit.parts.GeneralOrderingEditPart;
import org.eclipse.papyrus.uml.diagram.sequence.edit.parts.InteractionEditPart;
import org.eclipse.papyrus.uml.diagram.sequence.edit.parts.InteractionInteractionCompartmentEditPart;
@@ -118,22 +107,17 @@ import org.eclipse.swt.widgets.Shell;
import org.eclipse.uml2.uml.CombinedFragment;
import org.eclipse.uml2.uml.ConnectableElement;
import org.eclipse.uml2.uml.DestructionOccurrenceSpecification;
-import org.eclipse.uml2.uml.DurationConstraint;
import org.eclipse.uml2.uml.DurationObservation;
import org.eclipse.uml2.uml.Element;
-import org.eclipse.uml2.uml.ExecutionOccurrenceSpecification;
import org.eclipse.uml2.uml.ExecutionSpecification;
import org.eclipse.uml2.uml.Gate;
import org.eclipse.uml2.uml.GeneralOrdering;
import org.eclipse.uml2.uml.InteractionOperand;
-import org.eclipse.uml2.uml.IntervalConstraint;
import org.eclipse.uml2.uml.Lifeline;
import org.eclipse.uml2.uml.Message;
import org.eclipse.uml2.uml.MessageEnd;
-import org.eclipse.uml2.uml.MessageOccurrenceSpecification;
import org.eclipse.uml2.uml.NamedElement;
import org.eclipse.uml2.uml.OccurrenceSpecification;
-import org.eclipse.uml2.uml.PackageableElement;
import org.eclipse.uml2.uml.StateInvariant;
import org.eclipse.uml2.uml.TimeObservation;
@@ -176,7 +160,6 @@ public class CustomDiagramDragDropEditPolicy extends CommonDiagramDragDropEditPo
elementsVisualId.add(ConstraintConstrainedElementEditPart.VISUAL_ID);
elementsVisualId.add(TimeConstraintEditPart.VISUAL_ID);
elementsVisualId.add(TimeObservationEditPart.VISUAL_ID);
- elementsVisualId.add(DurationConstraintEditPart.VISUAL_ID);
elementsVisualId.add(SequenceDiagramEditPart.VISUAL_ID);
elementsVisualId.add(MessageSyncEditPart.VISUAL_ID);
elementsVisualId.add(MessageAsyncEditPart.VISUAL_ID);
@@ -191,10 +174,7 @@ public class CustomDiagramDragDropEditPolicy extends CommonDiagramDragDropEditPo
elementsVisualId.add(DestructionOccurrenceSpecificationEditPart.VISUAL_ID);
elementsVisualId.add(StateInvariantEditPart.VISUAL_ID);
elementsVisualId.add(TimeConstraintEditPart.VISUAL_ID);
- elementsVisualId.add(DurationConstraintEditPart.VISUAL_ID);
- elementsVisualId.add(DurationConstraintInMessageEditPart.VISUAL_ID);
elementsVisualId.add(TimeObservationEditPart.VISUAL_ID);
- elementsVisualId.add(DurationObservationEditPart.VISUAL_ID);
elementsVisualId.add(LifelineEditPart.VISUAL_ID);
// elementsVisualId.add(GateEditPart.VISUAL_ID);
// handle nodes on messages (no visual ID detected for them)
@@ -266,11 +246,6 @@ public class CustomDiagramDragDropEditPolicy extends CommonDiagramDragDropEditPo
if (semanticElement instanceof DurationObservation) {
return new ICommandProxy(getDefaultDropNodeCommand(nodeVISUALID, location, semanticElement, dropRequest));
}
- // handle specifically the case when node is on a message
- Command cmd = handleNodeOnMessage(semanticElement, nodeVISUALID, linkVISUALID, location);
- if (cmd != null) {
- return cmd;
- }
if (nodeVISUALID != null) {
switch (nodeVISUALID) {
case ActionExecutionSpecificationEditPart.VISUAL_ID:
@@ -282,15 +257,11 @@ public class CustomDiagramDragDropEditPolicy extends CommonDiagramDragDropEditPo
case StateInvariantEditPart.VISUAL_ID:
return dropStateInvariant((StateInvariant) semanticElement, nodeVISUALID, location);
case TimeConstraintEditPart.VISUAL_ID:
- case DurationConstraintEditPart.VISUAL_ID:
- return dropIntervalConstraintInLifeline((IntervalConstraint) semanticElement, nodeVISUALID);
case TimeObservationEditPart.VISUAL_ID:
return dropTimeObservationInLifeline((TimeObservation) semanticElement, nodeVISUALID, location);
case CommentEditPart.VISUAL_ID:
case ConstraintEditPart.VISUAL_ID:
- if (semanticElement instanceof DurationConstraint) {
- return dropDurationConstraint((DurationConstraint) semanticElement, location);
- }
+ return UnexecutableCommand.INSTANCE;
case Constraint2EditPart.VISUAL_ID:
case InteractionUseEditPart.VISUAL_ID:
case LifelineEditPart.VISUAL_ID:
@@ -503,317 +474,6 @@ public class CustomDiagramDragDropEditPolicy extends CommonDiagramDragDropEditPo
}
/**
- * Get the drop command in case the element can be handled as a node on a message
- *
- * @param semanticElement
- * the element being dropped from the model
- * @param nodeVISUALID
- * node visual id or -1
- * @param linkVISUALID
- * link visual id or -1
- * @param location
- * @return the drop command if the element can be dropped as a message label node, or null otherwise
- */
- private Command handleNodeOnMessage(Element semanticElement, String nodeVISUALID, String linkVISUALID, Point location) {
- if (nodeVISUALID == null && linkVISUALID == null) {
- // detect duration observation on a message
- if (semanticElement instanceof DurationObservation) {
- List<NamedElement> events = ((DurationObservation) semanticElement).getEvents();
- if (events.size() >= 2) {
- return dropMessageNodeBetweenEvents(semanticElement, events.get(0), events.get(1));
- }
- }
- }
- if (isDurationConstraintHint(nodeVISUALID, linkVISUALID)) {
- // detect duration constraint on a message
- if (semanticElement instanceof DurationConstraint) {
- return dropDurationConstraint((DurationConstraint) semanticElement, location);
- }
- }
- return null;
- }
-
- /**
- * Drop DurationConstraint at given location. The constrained elements would also be restored if existed.
- *
- * @see dropDurationConstraint(Element durationConstraint, Element event1, Element event2, Point location)
- * @param durationConstraint
- * @param location
- */
- protected Command dropDurationConstraint(DurationConstraint durationConstraint, Point location) {
- List<Element> events = durationConstraint.getConstrainedElements();
- Element event1 = null, event2 = null;
- if (events.size() >= 2) {
- event1 = events.get(0);
- event2 = events.get(1);
- } else if (events.size() == 1) {
- event1 = event2 = events.get(0);
- }
- return dropDurationConstraint(durationConstraint, event1, event2, location);
- }
-
- /**
- * Drop DurationConstraint at given location. The constrained elements would also be restored if existed.
- *
- * @param durationConstraint
- * @param event1
- * @param event2
- * @param location
- * @return
- */
- private Command dropDurationConstraint(Element durationConstraint, Element event1, Element event2, Point location) {
- List<View> existingViews = DiagramEditPartsUtil.findViews(durationConstraint, getViewer());
- // only allow one view instance of a single element by diagram
- if (!existingViews.isEmpty()) {
- return UnexecutableCommand.INSTANCE;
- }
- IAdaptable elementAdapter = new EObjectAdapter(durationConstraint);
- IHintedType elementType = (IHintedType) UMLElementTypes.getElementType(DurationConstraintEditPart.VISUAL_ID);
- ViewDescriptor descriptor = new ViewDescriptor(elementAdapter, Node.class, elementType.getSemanticHint(), ViewUtil.APPEND, true, getDiagramPreferencesHint());
- CreateViewRequest createViewRequest = new CreateViewRequest(descriptor);
- createViewRequest.setLocation(location);
- // "ask" the host for a command associated with the
- // CreateViewRequest
- Command command = getHost().getCommand(createViewRequest);
- if (command == null || !command.canExecute()) {
- return UnexecutableCommand.INSTANCE;
- }
- // restore links.
- CompositeCommand result = new CompositeCommand(command.getLabel());
- result.add(new CommandProxyWithResult(command, descriptor));
- Point[] constraintLocations = getLocationForDurationConstraint((DurationConstraint) durationConstraint, event1, event2, location);
- if (constraintLocations[0] != null && constraintLocations[1] != null) {
- if (constraintLocations[0].y <= constraintLocations[1].y) {
- result.add(new RestoreDurationConstraintLinkCommand(getEditingDomain(), descriptor, getViewer(), true, constraintLocations[0], getDiagramPreferencesHint()));
- result.add(new RestoreDurationConstraintLinkCommand(getEditingDomain(), descriptor, getViewer(), false, constraintLocations[1], getDiagramPreferencesHint()));
- } else if (constraintLocations[0].y > constraintLocations[1].y) {
- result.add(new RestoreDurationConstraintLinkCommand(getEditingDomain(), descriptor, getViewer(), false, constraintLocations[0], getDiagramPreferencesHint()));
- result.add(new RestoreDurationConstraintLinkCommand(getEditingDomain(), descriptor, getViewer(), true, constraintLocations[1], getDiagramPreferencesHint()));
- }
- } else if (constraintLocations[0] != null) {
- result.add(new RestoreDurationConstraintLinkCommand(getEditingDomain(), descriptor, getViewer(), null, constraintLocations[0], getDiagramPreferencesHint()));
- } else if (constraintLocations[1] != null) {
- result.add(new RestoreDurationConstraintLinkCommand(getEditingDomain(), descriptor, getViewer(), null, constraintLocations[1], getDiagramPreferencesHint()));
- }
- // it then can be used as an adaptable to retrieve the View
- return new ICommandProxy(result);
- }
-
- /**
- * Collect the locations of constrained elements.
- *
- * @param durationConstraint
- * @param event1
- * @param event2
- * @param location
- * @return
- */
- private Point[] getLocationForDurationConstraint(DurationConstraint durationConstraint, Element event1, Element event2, Point location) {
- Point[] constraintLocations = new Point[2];
- if (event1 instanceof OccurrenceSpecification) {
- constraintLocations[0] = getLocationForDurationConstraintOnEvent((OccurrenceSpecification) event1);
- }
- if (event2 instanceof OccurrenceSpecification) {
- constraintLocations[1] = getLocationForDurationConstraintOnEvent((OccurrenceSpecification) event2);
- }
- if (constraintLocations[0] == null && event1 != null) {
- EditPart editPart = lookForEditPart(event1);
- if (editPart instanceof INodeEditPart) {
- constraintLocations[0] = getLocationForDurationConstraintOnEditPart((INodeEditPart) editPart, location);
- }
- }
- if (constraintLocations[1] == null && event2 != null) {
- EditPart editPart = lookForEditPart(event2);
- if (editPart instanceof INodeEditPart) {
- constraintLocations[1] = getLocationForDurationConstraintOnEditPart((INodeEditPart) editPart, location.getTranslated(0, 40));
- }
- }
- if (event1 != null && event1 == event2 && constraintLocations[0] != null && constraintLocations[0].equals(constraintLocations[1])) {
- EditPart editPart = lookForEditPart(event1);
- if (editPart instanceof IGraphicalEditPart) {
- Rectangle rect = SequenceUtil.getAbsoluteBounds((IGraphicalEditPart) editPart);
- if (rect.contains(constraintLocations[0].getTranslated(0, 40))) {
- constraintLocations[1] = constraintLocations[0].getTranslated(0, 40);
- } else if (rect.contains(constraintLocations[0].getTranslated(0, -40))) {
- constraintLocations[1] = constraintLocations[0].getTranslated(0, -40);
- }
- }
- }
- return constraintLocations;
- }
-
- /**
- * Get location from a INodeEditPart.
- *
- * @param nodeEditPart
- * @param reference
- * @return
- */
- private Point getLocationForDurationConstraintOnEditPart(INodeEditPart nodeEditPart, Point reference) {
- Rectangle rect = SequenceUtil.getAbsoluteBounds((IGraphicalEditPart) nodeEditPart);
- Point location = new Point();
- if (reference.y < rect.y) {
- location.y = rect.y + 1;
- } else if (reference.y > rect.bottom()) {
- location.y = rect.bottom() - 1;
- } else {
- location.y = reference.y;
- }
- for (int x = rect.x; x <= rect.right(); x++) {
- CreateConnectionRequest request = new CreateConnectionRequest();
- request.setType(REQ_CONNECTION_END);
- request.setTargetEditPart(nodeEditPart);
- location.x = x;
- request.setLocation(location);
- ConnectionAnchor targetAnchor = nodeEditPart.getTargetConnectionAnchor(request);
- if (targetAnchor != null) {
- location = targetAnchor.getLocation(reference);
- break;
- }
- }
- return location;
- }
-
- /**
- * Get location of OccurrenceSpecification.
- *
- * @param event
- * @return
- */
- private Point getLocationForDurationConstraintOnEvent(OccurrenceSpecification event) {
- Point targetLocation = null;
- if (event instanceof MessageOccurrenceSpecification) {
- Message message = ((MessageOccurrenceSpecification) event).getMessage();
- if (message == null) {
- return null;
- }
- ConnectionNodeEditPart MessageSyncEditPart = null;
- DiagramEditPart diag = DiagramEditPartsUtil.getDiagramEditPart(getHost());
- for (Object conn : diag.getConnections()) {
- if (conn instanceof ConnectionNodeEditPart) {
- EObject connElt = ((ConnectionNodeEditPart) conn).resolveSemanticElement();
- if (message.equals(connElt)) {
- MessageSyncEditPart = (ConnectionNodeEditPart) conn;
- break;
- }
- }
- }
- if (MessageSyncEditPart == null) {
- return null;
- }
- if (event == message.getSendEvent()) {
- targetLocation = SequenceUtil.getAbsoluteEdgeExtremity(MessageSyncEditPart, true);
- } else if (event == message.getReceiveEvent()) {
- targetLocation = SequenceUtil.getAbsoluteEdgeExtremity(MessageSyncEditPart, false);
- }
- } else if (event instanceof ExecutionOccurrenceSpecification) {
- ExecutionSpecification execution = ((ExecutionOccurrenceSpecification) event).getExecution();
- if (execution != null) {
- List<View> existingViews = DiagramEditPartsUtil.findViews(execution, getViewer());
- for (View view : existingViews) {
- if (CCombinedCompartmentEditPart.VISUAL_ID.equals(UMLVisualIDRegistry.getVisualID(view)) || BehaviorExecutionSpecificationEditPart.VISUAL_ID.equals(UMLVisualIDRegistry.getVisualID(view))) {
- Object object = getViewer().getEditPartRegistry().get(view);
- if (object instanceof IGraphicalEditPart) {
- Rectangle bounds = SequenceUtil.getAbsoluteBounds((IGraphicalEditPart) object);
- if (event == execution.getStart()) {
- targetLocation = bounds.getTop();
- } else if (event == execution.getFinish()) {
- targetLocation = bounds.getBottom();
- }
- }
- }
- }
- }
- }
- return targetLocation;
- }
-
- /**
- * Get the command to drop an element between two events in order to create a message label
- *
- * @param droppedElement
- * the dropped element
- * @param event1
- * first event (of type MessageOccurrenceSpecification)
- * @param event2
- * second event (of type MessageOccurrenceSpecification)
- * @param element
- * @return the command or false if the elements can not be dropped as message label
- */
- private Command dropMessageNodeBetweenEvents(Element droppedElement, Element event1, Element event2) {
- if (event1 instanceof MessageOccurrenceSpecification && event2 instanceof MessageOccurrenceSpecification) {
- if (!event1.equals(event2)) {
- boolean endsOfSameMessage = false;
- String visualId = null;
- if (droppedElement instanceof DurationConstraint) {
- visualId = DurationConstraintInMessageEditPart.VISUAL_ID;
- endsOfSameMessage = DurationConstraintHelper.endsOfSameMessage((OccurrenceSpecification) event1, (OccurrenceSpecification) event2);
- } else if (droppedElement instanceof DurationObservation) {
- visualId = DurationObservationEditPart.VISUAL_ID;
- endsOfSameMessage = DurationObservationHelper.endsOfSameMessage((OccurrenceSpecification) event1, (OccurrenceSpecification) event2);
- }
- if (endsOfSameMessage) {
- Message message = ((MessageOccurrenceSpecification) event1).getMessage();
- // search a connection which matches the possessing message
- DiagramEditPart diag = DiagramEditPartsUtil.getDiagramEditPart(getHost());
- for (Object conn : diag.getConnections()) {
- if (conn instanceof ConnectionNodeEditPart) {
- EObject connElt = ((ConnectionNodeEditPart) conn).resolveSemanticElement();
- if (message.equals(connElt)) {
- // check that node isn't already represented, or dropping is impossible
- for (Object child : ((ConnectionNodeEditPart) conn).getChildren()) {
- if (child instanceof GraphicalEditPart) {
- EObject childElt = ((GraphicalEditPart) child).resolveSemanticElement();
- if (droppedElement.equals(childElt)) {
- return null;
- }
- }
- }
- return dropNodeOnMessage((PackageableElement) droppedElement, (ConnectionNodeEditPart) conn, visualId);
- }
- }
- }
- }
- }
- }
- return null;
- }
-
- /**
- * Test whether visual ids are compatible with a duration constraint element
- *
- * @param nodeVISUALID
- * the detected node visual id
- * @param linkVISUALID
- * the detected link visual id
- * @return true if element may be a duration constraint
- */
- private boolean isDurationConstraintHint(String nodeVISUALID, String linkVISUALID) {
- if (linkVISUALID != null) {
- return false;
- } else {
- return nodeVISUALID == null || ConstraintEditPart.VISUAL_ID.equals(nodeVISUALID) || DurationConstraintEditPart.VISUAL_ID.equals(nodeVISUALID) || DurationConstraintInMessageEditPart.VISUAL_ID.equals(nodeVISUALID);
- }
- }
-
- /**
- * Drop a duration observation or a duration constraint on a message edit part
- *
- * @param durationLabelElement
- * the duration observation or duration constraint to display as message label
- * @param MessageSyncEditPart
- * the containing message edit part
- * @param nodeVISUALID
- * the label node visual id
- * @return the command or UnexecutableCommand
- */
- private Command dropNodeOnMessage(PackageableElement durationLabelElement, ConnectionNodeEditPart MessageSyncEditPart, String nodeVISUALID) {
- IAdaptable elementAdapter = new EObjectAdapter(durationLabelElement);
- ViewDescriptor descriptor = new ViewDescriptor(elementAdapter, Node.class, ((IHintedType) getUMLElementType(nodeVISUALID)).getSemanticHint(), ViewUtil.APPEND, false, getDiagramPreferencesHint());
- return MessageSyncEditPart.getCommand(new CreateViewRequest(descriptor));
- }
-
- /**
* Drop a time observation on a lifeline.
*
* @param observation
@@ -860,66 +520,6 @@ public class CustomDiagramDragDropEditPolicy extends CommonDiagramDragDropEditPo
}
/**
- * Drop an interval constraint (duration or time) on a lifeline.
- *
- * @param constraint
- * the interval constraint
- * @param nodeVISUALID
- * the node visual id
- * @return the command if the lifeline is the correct one or UnexecutableCommand
- */
- private Command dropIntervalConstraintInLifeline(IntervalConstraint constraint, String nodeVISUALID) {
- CompoundCommand cc = new CompoundCommand("Drop");
- IAdaptable elementAdapter = new EObjectAdapter(constraint);
- ViewDescriptor descriptor = new ViewDescriptor(elementAdapter, Node.class, ((IHintedType) getUMLElementType(nodeVISUALID)).getSemanticHint(), ViewUtil.APPEND, true, getDiagramPreferencesHint());
- cc.add(getHost().getCommand(new CreateViewRequest(descriptor)));
- LifelineEditPart lifelinePart = SequenceUtil.getParentLifelinePart(getHost());
- if (lifelinePart != null && constraint.getConstrainedElements().size() >= 2) {
- Element occ1 = constraint.getConstrainedElements().get(0);
- Element occ2 = constraint.getConstrainedElements().get(1);
- if (occ1 instanceof OccurrenceSpecification && occ2 instanceof OccurrenceSpecification) {
- Point startPoint = SequenceUtil.findLocationOfEvent(lifelinePart, (OccurrenceSpecification) occ1);
- Point endPoint = SequenceUtil.findLocationOfEvent(lifelinePart, (OccurrenceSpecification) occ2);
- if (startPoint != null && endPoint != null) {
- int height = endPoint.y - startPoint.y;
- Rectangle newBounds = null;
- if (height < 0) {
- newBounds = new Rectangle(endPoint, new Dimension(-1, -height));
- } else {
- newBounds = new Rectangle(startPoint, new Dimension(-1, height));
- }
- lifelinePart.getFigure().translateToRelative(newBounds);
- Point parentLoc = lifelinePart.getLocation();
- newBounds.translate(parentLoc.getNegated());
- ICommand setBoundsCommand = new SetResizeAndLocationCommand(getEditingDomain(), "move", descriptor, newBounds);
- cc.add(new ICommandProxy(setBoundsCommand));
- return cc;
- }
- }
- } else if (lifelinePart != null && constraint.getConstrainedElements().size() == 1) {
- Element occ1 = constraint.getConstrainedElements().get(0);
- if (occ1 instanceof OccurrenceSpecification) {
- Point middlePoint = SequenceUtil.findLocationOfEvent(lifelinePart, (OccurrenceSpecification) occ1);
- if (middlePoint != null) {
- int height = getDefaultDropHeight(nodeVISUALID);
- Point startPoint = middlePoint.getCopy();
- if (height > 0) {
- startPoint.translate(0, -height / 2);
- }
- Rectangle newBounds = new Rectangle(startPoint, new Dimension(-1, height));
- lifelinePart.getFigure().translateToRelative(newBounds);
- Point parentLoc = lifelinePart.getLocation();
- newBounds.translate(parentLoc.getNegated());
- ICommand setBoundsCommand = new SetResizeAndLocationCommand(getEditingDomain(), "move", descriptor, newBounds);
- cc.add(new ICommandProxy(setBoundsCommand));
- return cc;
- }
- }
- }
- return UnexecutableCommand.INSTANCE;
- }
-
- /**
* Get the default height to set to a drop object. This method is useful for dropped objects which must be positioned relatively to their center.
*
* @param nodeVISUALID

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