@Override
public void rootsChanged(final ModuleRootEvent event) {
myFileManager.dispatchPendingEvents();
if (!myFileManager.isInitialized()) return;
if (event.isCausedByFileTypesChange()) return;
ApplicationManager.getApplication()
.runWriteAction(
new ExternalChangeAction() {
@Override
public void run() {
depthCounter--;
assert depthCounter >= 0 : depthCounter;
if (depthCounter > 0) return;
myFileManager.removeInvalidFilesAndDirs(true);
PsiTreeChangeEventImpl treeEvent = new PsiTreeChangeEventImpl(myManager);
treeEvent.setPropertyName(PsiTreeChangeEvent.PROP_ROOTS);
final VirtualFile[] contentRoots = myProjectRootManager.getContentRoots();
treeEvent.setNewValue(contentRoots);
LOG.assertTrue(myOldContentRoots != null);
treeEvent.setOldValue(myOldContentRoots);
myOldContentRoots = null;
myManager.propertyChanged(treeEvent);
}
});
}
@Override
public void beforeRootsChange(final ModuleRootEvent event) {
if (!myFileManager.isInitialized()) return;
if (event.isCausedByFileTypesChange()) return;
ApplicationManager.getApplication()
.runWriteAction(
new ExternalChangeAction() {
@Override
public void run() {
depthCounter++;
if (depthCounter > 1) return;
PsiTreeChangeEventImpl treeEvent = new PsiTreeChangeEventImpl(myManager);
treeEvent.setPropertyName(PsiTreeChangeEvent.PROP_ROOTS);
final VirtualFile[] contentRoots = myProjectRootManager.getContentRoots();
LOG.assertTrue(myOldContentRoots == null);
myOldContentRoots = contentRoots;
treeEvent.setOldValue(contentRoots);
myManager.beforePropertyChange(treeEvent);
}
});
}