+ SuiteLayer suiteLayer = findLayer(layerId);
+ if (suiteLayer == null)
+ throw new IllegalArgumentException("No layer '" + layerId + "' available.");
+ Localized layerTitle = suiteLayer.getTitle();
+ // FIXME make sure we don't rebuild the work area twice
+ Composite workArea = ui.getCmsView().doAs(() -> ui.switchToLayer(layerId, ui.getUserDir()));
+ String title = null;
+ if (layerTitle != null)
+ title = layerTitle.lead();
+ Node nodeFromState = getNode(ui, event);
+ if (nodeFromState != null && nodeFromState.getPath().equals(ui.getUserDir().getPath())) {
+ // default layer view is forced
+ String state = defaultLayerPid.equals(layerId) ? "~" : layerId;
+ ui.getCmsView().stateChanged(state, appTitle + title);
+ suiteLayer.view(null, workArea, nodeFromState);
+ } else {
+ Node layerCurrentContext = suiteLayer.getCurrentContext(workArea);
+ if (layerCurrentContext != null) {
+ // layer was already showing a context so we set the state to it
+ ui.getCmsView().stateChanged(nodeToState(layerCurrentContext),
+ appTitle + Jcr.getTitle(layerCurrentContext));
+ } else {
+ // no context was shown
+ ui.getCmsView().stateChanged(layerId, appTitle + title);
+ }
+ }