/** @generated */
protected Command getConnectionCompleteCommand(CreateConnectionRequest request) {
if (request instanceof CreateConnectionRequestEx) {
if (request.getStartCommand() == null || !request.getStartCommand().canExecute()) {
return UnexecutableCommand.INSTANCE;
}
CreateConnectionRequestEx requestEx = (CreateConnectionRequestEx) request;
if (!DiagramEditPart.MODEL_ID.equals(requestEx.getModelID())) {
return null;
}
int[] visualIds = requestEx.getVisualIds();
CompoundCommand result = new CompoundCommand();
for (int i = 0; i < visualIds.length; i++) {
int nextVisualId = visualIds[i];
switch (nextVisualId) {
case TransitionEditPart.VISUAL_ID:
result.appendIfCanExecute(new CreateTransition4001Command(requestEx));
break;
}
}
if (result.getCommandList().size() != 1 || !result.canExecute()) {
// Cannot create several connections at once.
return UnexecutableCommand.INSTANCE;
}
return request
.getStartCommand()
.chain(
new WrappingCommand(
TransactionUtil.getEditingDomain(
((Node) getHost().getModel()).getDiagram().getElement()),
result));
}
return null;
}
protected Command getConnectionCompleteCommand(
CreateConnectionRequest request) {
MenuRelationConnectionCommand comd = (MenuRelationConnectionCommand) request.getStartCommand();
LFWBasicElementObj target = (LFWBasicElementObj) getHost().getModel();
comd.setTarget(target);
return comd;
}
/**
* @see
* org.eclipse.gef.editpolicies.GraphicalNodeEditPolicy#getConnectionCompleteCommand(org.eclipse.gef.requests.CreateConnectionRequest)
*/
protected Command getConnectionCompleteCommand(CreateConnectionRequest request) {
ConnectionCommand command = (ConnectionCommand) request.getStartCommand();
// dont allow connection if there is already a connection between source and target
// and of the same type.
EdgeContainer ec = ((INode) getHost().getModel()).getRoot().getEdgeContainer();
if (ec.containsEdge(command.getSourceNode(), (INode) getHost().getModel(), command.getType())) {
return null;
}
// dont allow connection if source node is an ancestor of target
AbstractAsset parent = (AbstractAsset) getHost().getModel();
while (parent != null) {
parent = parent.getParent();
if (parent == command.getSourceNode()) {
return null;
}
}
// check meta node policy
Object m = getHost().getModel();
if (m instanceof MetaNode) {
String edgeType = ((MetaNode) m).getEdgeType();
if (edgeType != null && !edgeType.equals(command.getType())) {
return null;
}
}
// dont allow self-connection
if (command.getSourceNode() == getHost().getModel()) {
return null;
}
// dont allow connection if target node is an ancestor of source
parent = (AbstractAsset) command.getSourceNode();
while (parent != null) {
parent = parent.getParent();
if (parent == (AbstractAsset) getHost().getModel()) {
return null;
}
}
command.setTargetNode((INode) getHost().getModel());
return command;
}
@Override
protected Command getConnectionCompleteCommand(CreateConnectionRequest request) {
ConnectionDrawCommand cmd = (ConnectionDrawCommand) request.getStartCommand();
cmd.setTarget((WorkflowNode) getHost().getModel());
return cmd;
}
@Override
protected Command getConnectionCompleteCommand(CreateConnectionRequest request) {
CreateConnectionCommand cmd = (CreateConnectionCommand) request.getStartCommand();
cmd.setTarget((DiagramNodeModel) getHost().getModel());
return cmd;
}