@Nullable private PsiFile getFile() { final XmlElement element = getContextElement(); if (element == null) { return null; } return element.getContainingFile().getOriginalFile(); }
@NotNull public static <T extends DomElement> T getOriginalElement(@NotNull final T domElement) { final XmlElement psiElement = domElement.getXmlElement(); if (psiElement == null) return domElement; final PsiFile psiFile = psiElement.getContainingFile().getOriginalFile(); final TextRange range = psiElement.getTextRange(); final PsiElement element = psiFile.findElementAt(range.getStartOffset()); final int maxLength = range.getLength(); final boolean isAttribute = psiElement instanceof XmlAttribute; final Class<? extends XmlElement> clazz = isAttribute ? XmlAttribute.class : XmlTag.class; final DomManager domManager = domElement.getManager(); DomElement current = null; for (XmlElement next = PsiTreeUtil.getParentOfType(element, clazz, false); next != null && next.getTextLength() <= maxLength; next = PsiTreeUtil.getParentOfType(next, clazz, true)) { current = isAttribute ? domManager.getDomElement((XmlAttribute) next) : domManager.getDomElement((XmlTag) next); if (current != null && domElement.getClass() != current.getClass()) current = null; } return (T) current; }