private String getReconnectionKindFeatureName() {
String featureName = "sourceNode";
if (tool.getReconnectionKind() == ReconnectionKind.RECONNECT_TARGET_LITERAL) {
featureName = "targetNode";
} else if (tool.getReconnectionKind() == ReconnectionKind.RECONNECT_BOTH_LITERAL
&& oldTarget == reconnectionSource) {
featureName = "targetNode";
}
return featureName;
}
private EdgeMapping getEdgeMappingReconnector() {
EdgeMapping bestMapping = null;
DiagramElementMapping sourceMapping = null;
DiagramElementMapping targetMapping = null;
if (tool.getReconnectionKind() == ReconnectionKind.RECONNECT_BOTH_LITERAL) {
if (edge.getTargetNode() == reconnectionSource) {
sourceMapping = getMapping(reconnectionTarget);
targetMapping = getMapping(oldTarget);
} else {
sourceMapping = getMapping(oldSource);
targetMapping = getMapping(reconnectionTarget);
}
} else if (tool.getReconnectionKind() == ReconnectionKind.RECONNECT_SOURCE_LITERAL) {
sourceMapping = getMapping(reconnectionTarget);
targetMapping = getMapping(oldTarget);
} else if (tool.getReconnectionKind() == ReconnectionKind.RECONNECT_TARGET_LITERAL) {
sourceMapping = getMapping(oldSource);
targetMapping = getMapping(reconnectionTarget);
}
if (sourceMapping != null && targetMapping != null) {
final Iterator<EdgeMapping> iterMappings = tool.getMappings().iterator();
while (iterMappings.hasNext()) {
final EdgeMapping currentMapping = iterMappings.next();
if (currentMapping.getTargetMapping().contains(targetMapping)
&& currentMapping.getSourceMapping().contains(sourceMapping)) {
bestMapping = currentMapping;
if (currentMapping.equals(edge.getActualMapping())) {
break;
}
}
}
}
return bestMapping;
}
/**
* {@inheritDoc}
*
* @see org.eclipse.sirius.tools.internal.command.builders.CommandBuilder#buildCommand()
*/
@Override
public Command buildCommand() {
Command result = UnexecutableCommand.INSTANCE;
if (permissionAuthority.canEditInstance(reconnectionSource)
&& permissionAuthority.canEditInstance(reconnectionTarget)
&& permissionAuthority.canEditInstance(edge)
// Layouting mode on diagrams
// if the ddiagram is in LayoutingMode, we do not allow reconnection
&& !isInLayoutingModeDiagram(edge)) {
final EObject semanticSource =
SiriusUtil.getNearestDecorateSemanticElement(reconnectionSource).getTarget();
final EObject semanticTarget =
SiriusUtil.getNearestDecorateSemanticElement(reconnectionTarget).getTarget();
final Map<AbstractVariable, Object> variables = new HashMap<AbstractVariable, Object>();
variables.put(tool.getElement(), edge.getTarget());
variables.put(tool.getSource(), semanticSource);
variables.put(tool.getSourceView(), reconnectionSource);
variables.put(tool.getTarget(), semanticTarget);
variables.put(tool.getTargetView(), reconnectionTarget);
variables.put(tool.getEdgeView(), edge);
// we create an hidden variable that will be used to
// correct reconnection issues
ICommandTask createOtherEndVariableTask = getOtherEndVariableCreationTask(variables);
final DCommand cmd = createEnclosingCommand();
cmd.getTasks().add(createOtherEndVariableTask);
cmd.getTasks()
.add(
new InitInterpreterVariablesTask(
variables, InterpreterUtil.getInterpreter(reconnectionSource), uiCallback));
Option<DDiagram> parentDiagram = getDDiagram();
if (tool.getInitialOperation() != null
&& tool.getInitialOperation().getFirstModelOperations() != null) {
cmd.getTasks()
.add(
taskHelper.buildTaskFromModelOperation(
parentDiagram.get(),
edge.getTarget(),
tool.getInitialOperation().getFirstModelOperations()));
}
final SetObject setObject = ToolFactory.eINSTANCE.createSetObject();
final String featureName = getReconnectionKindFeatureName();
setObject.setFeatureName(featureName);
setObject.setObject(reconnectionTarget);
Option<DRepresentation> representation = new EObjectQuery(edge).getRepresentation();
final CommandContext edgeContext = new CommandContext(edge, representation.get());
cmd.getTasks()
.add(
new SetValueTask(
edgeContext,
this.modelAccessor,
setObject,
new EObjectQuery(edge).getSession().getInterpreter()));
final EdgeMapping newEdgeMapping = getEdgeMappingReconnector();
addRefreshTask(edge, cmd, tool);
final CompoundCommand cc = new CompoundCommand();
if (newEdgeMapping != null && !newEdgeMapping.equals(edge.getActualMapping())) {
cc.append(new SetEdgeActualMappingCommand(editingDomain, edge, newEdgeMapping));
}
if (reconnectionSource.equals(oldSource)
&& (newEdgeMapping != null && !newEdgeMapping.isUseDomainElement()
|| isEdgeActualMappingUsingDomainElement())) {
cc.append(
new ReconnectSourceNodeCommand(
editingDomain, edge, reconnectionTarget, semanticTarget));
}
cc.append(cmd);
result = cc;
}
return result;
}