@Nullable private String verifyInnerClassDestination() { PsiClass targetClass = findTargetClass(); if (targetClass == null) return null; for (PsiElement element : myElementsToMove) { if (PsiTreeUtil.isAncestor(element, targetClass, false)) { return RefactoringBundle.message("move.class.to.inner.move.to.self.error"); } final Language targetClassLanguage = targetClass.getLanguage(); if (!element.getLanguage().equals(targetClassLanguage)) { return RefactoringBundle.message( "move.to.different.language", UsageViewUtil.getType(element), ((PsiClass) element).getQualifiedName(), targetClass.getQualifiedName()); } if (element.getLanguage().equals(Language.findLanguageByID("Groovy"))) { return RefactoringBundle.message("dont.support.inner.classes", "Groovy"); } } while (targetClass != null) { if (targetClass.getContainingClass() != null && !targetClass.hasModifierProperty(PsiModifier.STATIC)) { return RefactoringBundle.message("move.class.to.inner.nonstatic.error"); } targetClass = targetClass.getContainingClass(); } return null; }
@Nullable private static Pair<PsiElement, TextRange> findExpression( PsiElement element, boolean allowMethodCalls) { final EditorTextProvider textProvider = EditorTextProvider.EP.forLanguage(element.getLanguage()); if (textProvider != null) { return textProvider.findExpression(element, allowMethodCalls); } return null; }
@Override public void visitElement(PsiElement element) { if (element.getLanguage() != JavaLanguage.INSTANCE) { return; } if (!PsiUtil.isLanguageLevel5OrHigher(element)) { return; } super.visitElement(element); }
public static String getNewText(PsiElement elt) { Project project = elt.getProject(); PsiFile psiFile = getContainingFile(elt); final Document doc = PsiDocumentManager.getInstance(project).getDocument(psiFile); if (doc == null) return null; final ImplementationTextSelectioner implementationTextSelectioner = LanguageImplementationTextSelectioner.INSTANCE.forLanguage(elt.getLanguage()); int start = implementationTextSelectioner.getTextStartOffset(elt); final int end = implementationTextSelectioner.getTextEndOffset(elt); final int lineStart = doc.getLineStartOffset(doc.getLineNumber(start)); final int lineEnd = end < doc.getTextLength() ? doc.getLineEndOffset(doc.getLineNumber(end)) : doc.getTextLength(); return doc.getCharsSequence().subSequence(lineStart, lineEnd).toString(); }
public static String getHelpID(PsiElement element) { return LanguageFindUsages.INSTANCE.forLanguage(element.getLanguage()).getHelpId(element); }