@Override
public void checkDelete() throws IncorrectOperationException {
if (!getViewProvider().isEventSystemEnabled()) {
throw new IncorrectOperationException();
}
CheckUtil.checkWritable(this);
}
@Override
public PsiElement add(@NotNull PsiElement element) throws IncorrectOperationException {
CheckUtil.checkWritable(this);
TreeElement elementCopy = ChangeUtil.copyToElement(element);
calcTreeElement().addInternal(elementCopy, elementCopy, null, null);
elementCopy = ChangeUtil.decodeInformation(elementCopy);
return SourceTreeToPsiMap.treeElementToPsi(elementCopy);
}
@Override
public PsiElement addAfter(@NotNull PsiElement element, PsiElement anchor)
throws IncorrectOperationException {
CheckUtil.checkWritable(this);
TreeElement elementCopy = ChangeUtil.copyToElement(element);
calcTreeElement()
.addInternal(
elementCopy, elementCopy, SourceTreeToPsiMap.psiElementToTree(anchor), Boolean.FALSE);
elementCopy = ChangeUtil.decodeInformation(elementCopy);
return SourceTreeToPsiMap.treeElementToPsi(elementCopy);
}
@Override
public void deleteChildRange(PsiElement first, PsiElement last)
throws IncorrectOperationException {
CheckUtil.checkWritable(this);
if (first == null) {
LOG.assertTrue(last == null);
return;
}
ASTNode firstElement = SourceTreeToPsiMap.psiElementToTree(first);
ASTNode lastElement = SourceTreeToPsiMap.psiElementToTree(last);
CompositeElement treeElement = calcTreeElement();
LOG.assertTrue(firstElement.getTreeParent() == treeElement);
LOG.assertTrue(lastElement.getTreeParent() == treeElement);
CodeEditUtil.removeChildren(treeElement, firstElement, lastElement);
}
@Override
public final void checkAdd(@NotNull PsiElement element) throws IncorrectOperationException {
CheckUtil.checkWritable(this);
}