// !! - like one in ExtractTempRefactoring
private static boolean canReplace(IASTFragment fragment) {
ASTNode node = fragment.getAssociatedNode();
ASTNode parent = node.getParent();
if (parent instanceof VariableDeclarationFragment) {
VariableDeclarationFragment vdf = (VariableDeclarationFragment) parent;
if (node.equals(vdf.getName())) return false;
}
if (parent instanceof ExpressionStatement) return false;
if (parent instanceof SwitchCase) return false;
return true;
}
private IExpressionFragment getSelectedExpression() throws JavaScriptModelException {
if (fSelectedExpression != null) return fSelectedExpression;
IASTFragment selectedFragment =
ASTFragmentFactory.createFragmentForSourceRange(
new SourceRange(fSelectionStart, fSelectionLength), fCuRewrite.getRoot(), fCu);
if (selectedFragment instanceof IExpressionFragment
&& !Checks.isInsideJavadoc(selectedFragment.getAssociatedNode())) {
fSelectedExpression = (IExpressionFragment) selectedFragment;
}
return fSelectedExpression;
}