public static boolean canBeMigrated(final PsiElement e) {
if (e == null) {
return false;
}
final PsiElement element = normalizeElement(e);
if (!element.getManager().isInProject(element)) {
return false;
}
final PsiType type = TypeMigrationLabeler.getElementType(element);
if (type != null) {
final PsiType elemenType = type instanceof PsiArrayType ? type.getDeepComponentType() : type;
if (elemenType instanceof PsiPrimitiveType) {
return !elemenType.equals(PsiType.VOID);
}
final PsiClass aClass = ((PsiClassType) elemenType).resolve();
return aClass != null /* && !aClass.hasTypeParameters()*/;
}
return false;
}
@Override
protected void previewRefactoring(@NotNull final UsageInfo[] usages) {
MigrationPanel panel = new MigrationPanel(myRoot, myLabeler, myProject, isPreviewUsages());
String name;
if (myRoot.length == 1) {
String fromType =
assertNotNull(TypeMigrationLabeler.getElementType(myRoot[0])).getPresentableText();
String toType = myRootTypes.fun(myRoot[0]).getPresentableText();
String text;
text = getPresentation(myRoot[0]);
name = "Migrate Type of " + text + " from \'" + fromType + "\' to \'" + toType + "\'";
} else {
final int rootsInPresentationCount =
myRoot.length > MAX_ROOT_IN_PREVIEW_PRESENTATION
? MAX_ROOT_IN_PREVIEW_PRESENTATION
: myRoot.length;
String[] rootsPresentation = new String[rootsInPresentationCount];
for (int i = 0; i < rootsInPresentationCount; i++) {
final PsiElement root = myRoot[i];
rootsPresentation[i] =
root instanceof PsiNamedElement ? ((PsiNamedElement) root).getName() : root.getText();
}
rootsPresentation = StringUtil.surround(rootsPresentation, "\'", "\'");
name = "Migrate Type of " + StringUtil.join(rootsPresentation, ", ");
if (myRoot.length > MAX_ROOT_IN_PREVIEW_PRESENTATION) {
name += "...";
}
}
Content content =
UsageViewManager.getInstance(myProject).addContent(name, false, panel, true, true);
panel.setContent(content);
ToolWindowManager.getInstance(myProject).getToolWindow(ToolWindowId.FIND).activate(null);
}
@Override
protected void previewRefactoring(final UsageInfo[] usages) {
MigrationPanel panel = new MigrationPanel(myRoot[0], myLabeler, myProject, isPreviewUsages());
String text;
if (myRoot[0] instanceof PsiField) {
text = "field \'" + ((PsiField) myRoot[0]).getName() + "\'";
} else if (myRoot[0] instanceof PsiParameter) {
text = "parameter \'" + ((PsiParameter) myRoot[0]).getName() + "\'";
} else if (myRoot[0] instanceof PsiLocalVariable) {
text = "variable \'" + ((PsiLocalVariable) myRoot[0]).getName() + "\'";
} else if (myRoot[0] instanceof PsiMethod) {
text = "method \'" + ((PsiMethod) myRoot[0]).getName() + "\' return";
} else {
text = Arrays.toString(myRoot);
}
Content content =
UsageViewManager.getInstance(myProject)
.addContent(
"Migrate Type of "
+ text
+ " from \'"
+ TypeMigrationLabeler.getElementType(myRoot[0]).getPresentableText()
+ "\' to \'"
+ myRules.getMigrationRootType().getPresentableText()
+ "\'",
false,
panel,
true,
true);
panel.setContent(content);
ToolWindowManager.getInstance(myProject).getToolWindow(ToolWindowId.FIND).activate(null);
}
private void processMemberType(
final PsiElement element,
final TypeParameterSearcher parameterSearcher,
final PsiClass psiClass,
final PsiSubstitutor substitutor,
final Map<PsiElement, Pair<PsiReference[], PsiType>> roots) {
final PsiType elementType = TypeMigrationLabeler.getElementType(element);
if (elementType != null && elementType.accept(parameterSearcher).booleanValue()) {
final PsiType memberType = substitutor.substitute(elementType);
prepareMethodsChangeSignature(psiClass, element, memberType);
final List<PsiReference> refs =
TypeMigrationLabeler.filterReferences(
psiClass, ReferencesSearch.search(element, psiClass.getUseScope()));
roots.put(
element,
Pair.create(
myLabeler.markRootUsages(
element, memberType, refs.toArray(new PsiReference[refs.size()])),
memberType));
}
}