@Nullable public static String getPackageName(@NotNull JetElement element) { JetFile file = (JetFile) element.getContainingFile(); JetNamespaceHeader header = PsiTreeUtil.findChildOfType(file, JetNamespaceHeader.class); return header != null ? header.getQualifiedName() : null; }
@NotNull public static String getElementTextWithContext(@NotNull JetElement element) { if (element instanceof JetFile) { return element.getContainingFile().getText(); } // Find parent for element among file children PsiElement inFileParent = PsiTreeUtil.findFirstParent( element, new Condition<PsiElement>() { @Override public boolean value(PsiElement parentCandidate) { return parentCandidate != null && parentCandidate.getParent() instanceof JetFile; } }); assert inFileParent != null : "For non-file element we should always be able to find parent in file children"; int startContextOffset = inFileParent.getTextRange().getStartOffset(); int elementContextOffset = element.getTextRange().getStartOffset(); int inFileParentOffset = elementContextOffset - startContextOffset; return new StringBuilder(inFileParent.getText()) .insert(inFileParentOffset, "<caret>") .toString(); }