/**
*
*
* <pre>
* The method executes the creation :
* - opens a selection dialog to choose a {@link ConnectableElement} reference as a role by the {@link CollaborationUse} type
* - created a dependency between the selected role and the {@link ConnectableElement} that will be bind to it
*
* {@inheritDoc}
* </pre>
*/
@Override
protected CommandResult doExecuteWithResult(final IProgressMonitor monitor, final IAdaptable info)
throws ExecutionException {
if (!canExecute()) {
throw new ExecutionException(Messages.RoleBindingCreateCommand_INVALID_ARGS_MSG);
}
// Retrieve the graphical source of the binding.
// This differs from the semantic source of the binding which is a role of the
// CollaborationUse type.
CollaborationUse graphicalSource = (CollaborationUse) getSource();
// Create and open the selection dialog
ComposedAdapterFactory adapterFactory =
new ComposedAdapterFactory(ComposedAdapterFactory.Descriptor.Registry.INSTANCE);
Shell currentShell = new Shell(Display.getCurrent(), SWT.DIALOG_TRIM | SWT.APPLICATION_MODAL);
ElementTreeSelectionDialog dialog =
new ElementTreeSelectionDialog(
currentShell,
new AdapterFactoryLabelProvider(adapterFactory),
new CollaborationRoleTreeContentProvider());
try {
// Set dialog parameters
dialog.setTitle(Messages.RoleBindingRoleSelectionDialog_Title);
dialog.setMessage(Messages.RoleBindingRoleSelectionDialog_Message);
dialog.setAllowMultiple(false);
dialog.setHelpAvailable(false);
// The source CollaborationUse is set as input for the selection dialog,
// the CollaborationRoleTreeContentProvider provides the roles that can possibly be
// selected.
dialog.setInput(graphicalSource);
dialog.open();
} finally {
adapterFactory.dispose();
}
// If a ConnectableElement has been selected, complete command execution
// using selection as the "newly created" element and make the edited
// Collaboration reference it in the CollaborationRoles eReference.
if (dialog.getReturnCode() == ElementTreeSelectionDialog.OK) {
ConnectableElement roleToBind = (ConnectableElement) dialog.getFirstResult();
// Create a Dependency (the binding) between selected role and a ConnectableElement
// (the target)
Dependency newBinding = UMLFactory.eINSTANCE.createDependency();
getContainer().getPackagedElements().add(newBinding);
newBinding.getClients().add(roleToBind);
newBinding.setName("binding_" + roleToBind.getName() + "_" + getTarget().getName());
newBinding.getSuppliers().add(getTarget());
graphicalSource.getRoleBindings().add(newBinding);
doConfigure(newBinding, monitor, info);
((CreateElementRequest) getRequest()).setNewElement(newBinding);
return CommandResult.newOKCommandResult(newBinding);
}
// No role selected: abort element creation
return CommandResult.newCancelledCommandResult();
}
