public boolean isValid(Document document) {
if (!myTargetElement.isValid()) return false;
if (myTargetElement == myElementAtPointer
|| myTargetElement == myElementAtPointer.getParent()) return false;
return rangesAreCorrect(document);
}
final boolean isValidBase() {
if (PsiDocumentManager.getInstance(myProject).getUncommittedDocuments().length > 0) {
return myCachedIsValidBase;
}
final PsiElement element = mySmartPsiElementPointer.getElement();
myCachedIsValidBase = element != null && isApplicableElement(element) && element.isValid();
return myCachedIsValidBase;
}
@Nullable
protected PsiElement getPSIElement(@Nullable final Object element) {
if (element instanceof PsiElement) {
PsiElement psiElement = (PsiElement) element;
if (psiElement.isValid()) {
return psiElement;
}
}
return null;
}
private void getInjectedPsiFiles(
@NotNull final List<PsiElement> elements1,
@NotNull final List<PsiElement> elements2,
@NotNull final ProgressIndicator progress,
@NotNull final Set<PsiFile> outInjected) {
List<DocumentWindow> injected = InjectedLanguageUtil.getCachedInjectedDocuments(myFile);
Collection<PsiElement> hosts =
new THashSet<PsiElement>(elements1.size() + elements2.size() + injected.size());
// rehighlight all injected PSI regardless the range,
// since change in one place can lead to invalidation of injected PSI in (completely) other
// place.
for (DocumentWindow documentRange : injected) {
progress.checkCanceled();
if (!documentRange.isValid()) continue;
PsiFile file = PsiDocumentManager.getInstance(myProject).getPsiFile(documentRange);
if (file == null) continue;
PsiElement context =
InjectedLanguageManager.getInstance(file.getProject()).getInjectionHost(file);
if (context != null
&& context.isValid()
&& !file.getProject().isDisposed()
&& (myUpdateAll
|| new ProperTextRange(myStartOffset, myEndOffset)
.intersects(context.getTextRange()))) {
hosts.add(context);
}
}
hosts.addAll(elements1);
hosts.addAll(elements2);
final PsiLanguageInjectionHost.InjectedPsiVisitor visitor =
new PsiLanguageInjectionHost.InjectedPsiVisitor() {
@Override
public void visit(
@NotNull PsiFile injectedPsi, @NotNull List<PsiLanguageInjectionHost.Shred> places) {
synchronized (outInjected) {
outInjected.add(injectedPsi);
}
}
};
if (!JobUtil.invokeConcurrentlyUnderProgress(
new ArrayList<PsiElement>(hosts),
progress,
false,
new Processor<PsiElement>() {
@Override
public boolean process(PsiElement element) {
progress.checkCanceled();
InjectedLanguageUtil.enumerate(element, myFile, false, visitor);
return true;
}
})) throw new ProcessCanceledException();
}
public void deleteElement(DataContext dataContext) {
List<PsiElement> allElements = Arrays.asList(getElementsToDelete());
List<PsiElement> validElements = new ArrayList<PsiElement>();
for (PsiElement psiElement : allElements) {
if (psiElement != null && psiElement.isValid()) validElements.add(psiElement);
}
final PsiElement[] elements = validElements.toArray(new PsiElement[validElements.size()]);
LocalHistoryAction a =
LocalHistory.getInstance().startAction(IdeBundle.message("progress.deleting"));
try {
DeleteHandler.deletePsiElement(elements, myProject);
} finally {
a.finish();
}
}
/**
* Alters either target (by qualifying a name) or source (by explicitly importing the name).
*
* @return true if action succeeded
*/
public boolean execute() {
// check if the tree is sane
PsiDocumentManager.getInstance(myTarget.getProject()).commitAllDocuments();
if (!myTarget.isValid()) return false;
if ((myTarget instanceof PyQualifiedExpression)
&& ((((PyQualifiedExpression) myTarget).isQualified())))
return false; // we cannot be qualified
for (ImportCandidateHolder item : mySources) {
if (!item.getImportable().isValid()) return false;
if (!item.getFile().isValid()) return false;
if (item.getImportElement() != null && !item.getImportElement().isValid()) return false;
}
if (mySources.isEmpty()) {
return false;
}
// act
if (mySources.size() > 1) {
selectSourceAndDo();
} else doWriteAction(mySources.get(0));
return true;
}
protected boolean isEnabled(
@NotNull HierarchyBrowserBaseEx browser, @NotNull PsiElement element) {
return !element.equals(browser.mySmartPsiElementPointer.getElement()) && element.isValid();
}
public Object getData(String dataId) {
if (PlatformDataKeys.PROJECT.is(dataId)) {
return myProject;
}
if (PlatformDataKeys.NAVIGATABLE.is(dataId)) {
final FavoritesTreeNodeDescriptor[] selectedNodeDescriptors = getSelectedNodeDescriptors();
return selectedNodeDescriptors.length == 1 ? selectedNodeDescriptors[0].getElement() : null;
}
if (PlatformDataKeys.NAVIGATABLE_ARRAY.is(dataId)) {
final List<Navigatable> selectedElements = getSelectedElements(Navigatable.class);
return selectedElements.toArray(new Navigatable[selectedElements.size()]);
}
if (PlatformDataKeys.CUT_PROVIDER.is(dataId)) {
return myCopyPasteDelegator.getCutProvider();
}
if (PlatformDataKeys.COPY_PROVIDER.is(dataId)) {
return myCopyPasteDelegator.getCopyProvider();
}
if (PlatformDataKeys.PASTE_PROVIDER.is(dataId)) {
return myCopyPasteDelegator.getPasteProvider();
}
if (PlatformDataKeys.HELP_ID.is(dataId)) {
return myHelpId;
}
if (LangDataKeys.PSI_ELEMENT.is(dataId)) {
PsiElement[] elements = getSelectedPsiElements();
if (elements.length != 1) {
return null;
}
return elements[0] != null && elements[0].isValid() ? elements[0] : null;
}
if (LangDataKeys.PSI_ELEMENT_ARRAY.is(dataId)) {
final PsiElement[] elements = getSelectedPsiElements();
ArrayList<PsiElement> result = new ArrayList<PsiElement>();
for (PsiElement element : elements) {
if (element.isValid()) {
result.add(element);
}
}
return result.isEmpty() ? null : result.toArray(new PsiElement[result.size()]);
}
if (LangDataKeys.IDE_VIEW.is(dataId)) {
return myIdeView;
}
if (LangDataKeys.TARGET_PSI_ELEMENT.is(dataId)) {
return null;
}
if (LangDataKeys.MODULE_CONTEXT.is(dataId)) {
Module[] selected = getSelectedModules();
return selected != null && selected.length == 1 ? selected[0] : null;
}
if (LangDataKeys.MODULE_CONTEXT_ARRAY.is(dataId)) {
return getSelectedModules();
}
if (PlatformDataKeys.DELETE_ELEMENT_PROVIDER.is(dataId)) {
final Object[] elements = getSelectedNodeElements();
return elements != null && elements.length >= 1 && elements[0] instanceof Module
? myDeleteModuleProvider
: myDeletePSIElementProvider;
}
if (ModuleGroup.ARRAY_DATA_KEY.is(dataId)) {
final List<ModuleGroup> selectedElements = getSelectedElements(ModuleGroup.class);
return selectedElements.isEmpty()
? null
: selectedElements.toArray(new ModuleGroup[selectedElements.size()]);
}
if (LibraryGroupElement.ARRAY_DATA_KEY.is(dataId)) {
final List<LibraryGroupElement> selectedElements =
getSelectedElements(LibraryGroupElement.class);
return selectedElements.isEmpty()
? null
: selectedElements.toArray(new LibraryGroupElement[selectedElements.size()]);
}
if (NamedLibraryElement.ARRAY_DATA_KEY.is(dataId)) {
final List<NamedLibraryElement> selectedElements =
getSelectedElements(NamedLibraryElement.class);
return selectedElements.isEmpty()
? null
: selectedElements.toArray(new NamedLibraryElement[selectedElements.size()]);
}
if (CONTEXT_FAVORITES_ROOTS_DATA_KEY.is(dataId)) {
List<FavoritesTreeNodeDescriptor> result = new ArrayList<FavoritesTreeNodeDescriptor>();
FavoritesTreeNodeDescriptor[] selectedNodeDescriptors = getSelectedNodeDescriptors();
for (FavoritesTreeNodeDescriptor selectedNodeDescriptor : selectedNodeDescriptors) {
FavoritesTreeNodeDescriptor root = selectedNodeDescriptor.getFavoritesRoot();
if (root != null && !(root.getElement().getValue() instanceof String)) {
result.add(root);
}
}
return result.toArray(new FavoritesTreeNodeDescriptor[result.size()]);
}
if (FAVORITES_LIST_NAME_DATA_KEY.is(dataId)) {
return myListName;
}
FavoritesTreeNodeDescriptor[] descriptors = getSelectedNodeDescriptors();
if (descriptors.length > 0) {
List<AbstractTreeNode> nodes = new ArrayList<AbstractTreeNode>();
for (FavoritesTreeNodeDescriptor descriptor : descriptors) {
nodes.add(descriptor.getElement());
}
return myFavoritesTreeStructure.getDataFromProviders(nodes, dataId);
}
return null;
}