private MApplication loadApplicationModel(
IApplicationContext appContext, IEclipseContext eclipseContext) {
MApplication theApp = null;
Location instanceLocation = WorkbenchSWTActivator.getDefault().getInstanceLocation();
URI applicationModelURI = determineApplicationModelURI(appContext);
eclipseContext.set(E4Workbench.INITIAL_WORKBENCH_MODEL_URI, applicationModelURI);
// Save and restore
Boolean saveAndRestore =
getArgValue(IWorkbench.PERSIST_STATE, appContext, false)
.map(value -> Boolean.parseBoolean(value))
.orElse(Boolean.TRUE);
eclipseContext.set(IWorkbench.PERSIST_STATE, saveAndRestore);
// when -data @none or -data @noDefault options
if (instanceLocation != null && instanceLocation.getURL() != null) {
eclipseContext.set(E4Workbench.INSTANCE_LOCATION, instanceLocation);
} else {
eclipseContext.set(IWorkbench.PERSIST_STATE, false);
}
// Persisted state
Boolean clearPersistedState =
getArgValue(IWorkbench.CLEAR_PERSISTED_STATE, appContext, true)
.map(value -> Boolean.parseBoolean(value))
.orElse(Boolean.FALSE);
eclipseContext.set(IWorkbench.CLEAR_PERSISTED_STATE, clearPersistedState);
String resourceHandler =
getArgValue(IWorkbench.MODEL_RESOURCE_HANDLER, appContext, false)
.orElse("bundleclass://org.eclipse.e4.ui.workbench/" + ResourceHandler.class.getName());
IContributionFactory factory = eclipseContext.get(IContributionFactory.class);
handler = (IModelResourceHandler) factory.create(resourceHandler, eclipseContext);
eclipseContext.set(IModelResourceHandler.class, handler);
Resource resource = handler.loadMostRecentModel();
theApp = (MApplication) resource.getContents().get(0);
return theApp;
}
public void saveModel() {
// Save the model into the targetURI
if (lcManager != null && workbench != null) {
ContextInjectionFactory.invoke(lcManager, PreSave.class, workbench.getContext(), null);
}
try {
if (!(handler instanceof ResourceHandler)
|| ((ResourceHandler) handler).hasTopLevelWindows()) {
handler.save();
} else {
Logger logger = new WorkbenchLogger(PLUGIN_ID);
logger.error(
new Exception(), // log a stack trace for debugging
"Attempted to save a workbench model that had no top-level windows! " //$NON-NLS-1$
+ "Skipped saving the model to avoid corruption."); //$NON-NLS-1$
}
} catch (IOException e) {
Logger logger = new WorkbenchLogger(PLUGIN_ID);
logger.error(e, "Error saving the workbench model"); // $NON-NLS-1$
}
}