void () { stopVarEditing(); stopNamespaceEditing(); final List<Expression> expressions = myVariableTableModel.getExpressions(); for (int i = 0; i < expressions.size(); i++) { final Expression expression = expressions.get(i); final String name = (String)myVariableTableModel.getValueAt(i, 0); final String expr = expression.getExpression(); if ((expr == null || expr.trim().length() == 0) && (name == null || name.trim().length() == 0)) { continue; } final String error = getError(expression); if (error != null) { Messages.showErrorDialog(expression.getFile().getProject(), XPathBundle.message("dialog.message.error.in.xpath.expression.for.variable", name, error), XPathBundle.message("dialog.title.xpath.error")); myVariableTable.getSelectionModel().setSelectionInterval(i, i); return; } } super.doOKAction(); }