Survey.StylesManager.applyTheme("orange");
//assign call to onServerValidateQuestions callback
function surveyValidateQuestion(survey, options) {
//options.data contains the data for the current page.
var countryName = options.data["country"];
//If the question is empty then do nothing
if (!countryName) {
options.complete();
return;
}
//call the ajax method
$.ajax({
url: "https://restcountries.eu/rest/v2/all"
}).then(function (data) {
var found = false;
var countries = data;
for (var i = 0; i < countries.length; i++) {
if (countries[i].name == countryName) {
found = true; break;
}
}
//if the country is unknown, add the error
if (!found) options.errors["country"] = "The country name '" + countryName +"' is not in this list: https://restcountries.eu/rest/v2/all";
//tell survey that we are done with the server validation
options.complete();
});
}
var json = {
questions: [{ type: "text", name: "country", title: "Type a country:" }]
};
window.survey = new Survey.Model(json);
survey.onComplete.add(function(result) {
document.querySelector('#surveyResult').textContent =
"Result JSON:\n" + JSON.stringify(result.data, null, 3);
});
survey
.onServerValidateQuestions
.add(surveyValidateQuestion);
ReactDOM.render(<Survey.Survey model={survey} />, document.getElementById("surveyElement"));
<!DOCTYPE html>
<html lang="en">
<head>
<title>Example of using onServerValidateQuestions callback, Reactjs Survey Library Example</title>
<meta name="viewport" content="width=device-width" />
<script src="https://unpkg.com/jquery"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/babel-polyfill/7.6.0/polyfill.js"></script>
<script src="https://unpkg.com/react@16.5.0/umd/react.development.js"></script>
<script src="https://unpkg.com/react-dom@16.5.0/umd/react-dom.development.js"></script>
<script src="https://unpkg.com/@babel/standalone@7.2.5/babel.min.js"></script>
<script src="/DevBuilds/survey-react/survey.react.min.js"></script>
<link href="/DevBuilds/survey-knockout/survey.min.css" type="text/css" rel="stylesheet" />
<link rel="stylesheet" href="./index.css">
</head>
<body>
<div id="surveyElement" style="display:inline-block;width:100%;">
</div>
<div id="surveyResult"></div>
<script type="text/babel" src="./index.js"></script>
</body>
</html>