@Override
public boolean isAvailable(@NotNull Project project, Editor editor, PsiFile file) {
return PsiUtil.isLanguageLevel5OrHigher(file)
&& myMethodCall.getElement() != null
&& myMethodCall.getElement().isValid()
&& myMethodCall.getElement().getMethodExpression().getQualifierExpression() == null
&& file.getManager().isInProject(file)
&& !(candidates == null ? candidates = getMethodsToImport() : candidates).isEmpty();
}
void doRefresh(boolean currentBuilderOnly) {
if (currentBuilderOnly) LOG.assertTrue(myCurrentViewType != null);
if (!isValidBase()) return;
if (getCurrentBuilder() == null) return; // seems like we are in the middle of refresh already
final Ref<Pair<List<Object>, List<Object>>> storedInfo =
new Ref<Pair<List<Object>, List<Object>>>();
if (myCurrentViewType != null) {
final HierarchyTreeBuilder builder = getCurrentBuilder();
storedInfo.set(builder.storeExpandedAndSelectedInfo());
}
final PsiElement element = mySmartPsiElementPointer.getElement();
if (element == null || !isApplicableElement(element)) {
return;
}
final String currentViewType = myCurrentViewType;
if (currentBuilderOnly) {
Disposer.dispose(getCurrentBuilder());
} else {
disposeBuilders();
}
setHierarchyBase(element);
validate();
ApplicationManager.getApplication()
.invokeLater(
() -> {
changeView(currentViewType);
final HierarchyTreeBuilder builder = getCurrentBuilder();
builder.restoreExpandedAndSelectedInfo(storedInfo.get());
});
}
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;
}
public final void changeView(@NotNull final String typeName) {
myCurrentViewType = typeName;
final PsiElement element = mySmartPsiElementPointer.getElement();
if (element == null || !isApplicableElement(element)) {
return;
}
if (myContent != null) {
final String displayName = getContentDisplayName(typeName, element);
if (displayName != null) {
myContent.setDisplayName(displayName);
}
}
myCardLayout.show(myTreePanel, typeName);
if (!myBuilders.containsKey(typeName)) {
try {
setWaitCursor();
// create builder
final JTree tree = myType2TreeMap.get(typeName);
final DefaultTreeModel model = new DefaultTreeModel(new DefaultMutableTreeNode(""));
tree.setModel(model);
final HierarchyTreeStructure structure = createHierarchyTreeStructure(typeName, element);
if (structure == null) {
return;
}
final Comparator<NodeDescriptor> comparator = getComparator();
final HierarchyTreeBuilder builder =
new HierarchyTreeBuilder(myProject, tree, model, structure, comparator);
myBuilders.put(typeName, builder);
Disposer.register(this, builder);
Disposer.register(builder, () -> myBuilders.remove(typeName));
final HierarchyNodeDescriptor descriptor = structure.getBaseDescriptor();
builder.select(descriptor, () -> builder.expand(descriptor, null));
} finally {
restoreCursor();
}
}
getCurrentTree().requestFocus();
}
@NotNull
private List<PsiMethod> getMethodsToImport() {
PsiShortNamesCache cache = PsiShortNamesCache.getInstance(myMethodCall.getProject());
PsiMethodCallExpression element = myMethodCall.getElement();
PsiReferenceExpression reference = element.getMethodExpression();
PsiExpressionList argumentList = element.getArgumentList();
String name = reference.getReferenceName();
List<PsiMethod> list = new ArrayList<PsiMethod>();
if (name == null) return list;
GlobalSearchScope scope = element.getResolveScope();
PsiMethod[] methods = cache.getMethodsByNameIfNotMoreThan(name, scope, 20);
List<PsiMethod> applicableList = new ArrayList<PsiMethod>();
final PsiResolveHelper resolveHelper =
JavaPsiFacade.getInstance(element.getProject()).getResolveHelper();
for (PsiMethod method : methods) {
ProgressManager.checkCanceled();
if (JavaCompletionUtil.isInExcludedPackage(method)) continue;
if (!method.hasModifierProperty(PsiModifier.STATIC)) continue;
PsiFile file = method.getContainingFile();
if (file instanceof PsiJavaFile
// do not show methods from default package
&& ((PsiJavaFile) file).getPackageName().length() != 0
&& PsiUtil.isAccessible(method, element, method.getContainingClass())) {
list.add(method);
PsiSubstitutor substitutorForMethod =
resolveHelper.inferTypeArguments(
method.getTypeParameters(),
method.getParameterList().getParameters(),
argumentList.getExpressions(),
PsiSubstitutor.EMPTY,
element.getParent(),
DefaultParameterTypeInferencePolicy.INSTANCE);
if (PsiUtil.isApplicable(method, substitutorForMethod, argumentList)) {
applicableList.add(method);
}
}
}
List<PsiMethod> result = applicableList.isEmpty() ? list : applicableList;
for (int i = result.size() - 1; i >= 0; i--) {
ProgressManager.checkCanceled();
PsiMethod method = result.get(i);
PsiClass containingClass = method.getContainingClass();
for (int j = i + 1; j < result.size(); j++) {
PsiMethod exMethod = result.get(j);
if (!Comparing.strEqual(exMethod.getName(), method.getName())) continue;
PsiClass exContainingClass = exMethod.getContainingClass();
if (containingClass != null
&& exContainingClass != null
&& !Comparing.equal(
containingClass.getQualifiedName(), exContainingClass.getQualifiedName())) continue;
// same named methods, drop one
result.remove(i);
break;
}
// check for manually excluded
if (isExcluded(method)) {
result.remove(i);
}
}
Collections.sort(result, new PsiProximityComparator(argumentList));
return result;
}