/**
* Construct an operation history action for the specified workbench window with the specified
* undo context.
*
* @param site - the workbench part site for the action.
* @param context - the undo context to be used
*/
OperationHistoryActionHandler(IWorkbenchPartSite site, IUndoContext context) {
// string will be reset inside action
super(""); // $NON-NLS-1$
this.site = site;
undoContext = context;
site.getPage().addPartListener(partListener);
getHistory().addOperationHistoryListener(historyListener);
// An update must be forced in case the undo limit is 0.
// see bug #89707
update();
}
@Override
public void dispose() {
IOperationHistory history = getHistory();
if (history != null) {
history.removeOperationHistoryListener(historyListener);
}
if (isInvalid()) {
return;
}
site.getPage().removePartListener(partListener);
site = null;
progressDialog = null;
// We do not flush the history for our undo context because it may be
// used elsewhere. It is up to clients to clean up the history
// appropriately.
// We do null out the context to signify that this handler is no longer
// accessing the history.
undoContext = null;
}
/**
* {@inheritDoc}
*
* @see org.eclipse.core.expressions.IPropertyTester#test(java.lang.Object, java.lang.String,
* java.lang.Object[], java.lang.Object)
*/
public boolean test(Object receiver, String property, Object[] args, Object expectedValue) {
boolean canGenerateJavaServicesModule = false;
List<ICompilationUnit> files = new ArrayList<ICompilationUnit>();
// Compute the compilation unit selected
if (receiver instanceof IWorkbenchPart) {
IWorkbenchPart iWorkbenchPart = (IWorkbenchPart) receiver;
IWorkbenchPartSite site = iWorkbenchPart.getSite();
IWorkbenchPage page = site.getPage();
ISelection selection = page.getSelection();
if (selection instanceof IStructuredSelection) {
IStructuredSelection iStructuredSelection = (IStructuredSelection) selection;
List<?> list = iStructuredSelection.toList();
for (Object object : list) {
try {
if (object instanceof ICompilationUnit
&& ((ICompilationUnit) object)
.getResource()
.getProject()
.hasNature(IAcceleoConstants.ACCELEO_NATURE_ID)) {
files.add((ICompilationUnit) object);
}
} catch (CoreException e) {
AcceleoUIActivator.log(e, true);
}
}
}
}
for (ICompilationUnit iCompilationUnit : files) {
canGenerateJavaServicesModule =
canGenerateJavaServicesModule
|| JavaServicesUtils.isAcceleoJavaServicesClass(iCompilationUnit);
}
// Generate a new module for each Java services
return canGenerateJavaServicesModule;
}
@Override
public IWorkbenchPage getPage() {
return partSite.getPage();
}