Survey.StylesManager.applyTheme("modern");
function doOnCurrentPageChanged(survey) {
document.getElementById('pageSelector').value = survey.currentPageNo;
document.getElementById('surveyPrev').style.display = !survey.isFirstPage ? "inline" : "none";
document.getElementById('surveyNext').style.display = !survey.isLastPage ? "inline" : "none";
document.getElementById('surveyComplete').style.display = survey.isLastPage ? "inline" : "none";
document.getElementById('surveyProgress').innerText = "Page " + (survey.currentPageNo + 1) + " of " + survey.visiblePageCount + ".";
if(document.getElementById('surveyPageNo')) document.getElementById('surveyPageNo').value = survey.currentPageNo;
}
function setupPageSelector(survey) {
var selector = document.getElementById('pageSelector');
for(var i = 0; i < survey.visiblePages.length; i ++) {
var option = document.createElement("option");
option.value = i;
option.text = "Page " + (i + 1);
selector.add(option);
}
}
var json = {
title: "Software developer survey.",
pages: [
{ title: "What operating system do you use?",
questions: [
{type:"checkbox", name:"opSystem", title: "OS", hasOther: true, isRequired: true,
choices:["Windows", "Linux", "Macintosh OSX"]}
]
},
{ title: "What language(s) are you currently using?",
questions: [
{type:"checkbox", name:"langs",title:"Please select from the list",
colCount: 4, isRequired: true,
choices:["Javascript", "Java", "Python", "CSS", "PHP", "Ruby", "C++", "C",
"Shell", "C#", "Objective-C", "R", "VimL", "Go", "Perl", "CoffeeScript",
"TeX", "Swift", "Scala", "Emacs Lisp", "Haskell", "Lua", "Clojure",
"Matlab", "Arduino", "Makefile", "Groovy", "Puppet", "Rust", "PowerShell"]
}
]},
{ title: "Please enter your name and e-mail",
questions: [
{type: "text", name: "name", title: "Name:"},
{type: "text", name: "email", title: "Your e-mail"}]
}]
};
window.survey = new Survey.Model(json);
survey.onComplete.add(function(sender) {
document.querySelector('#surveyResult').textContent =
"Result JSON:\n" + JSON.stringify(sender.data, null, 3);
});
survey.showTitle = false;
survey.onCurrentPageChanged.add(doOnCurrentPageChanged);
survey.render("surveyElement");
setupPageSelector(survey);
doOnCurrentPageChanged(survey);
survey.showTitle = false;
<!DOCTYPE html>
<html lang="en">
<head>
<title>Example of creating an alternative custom navigation, Knockoutjs Survey Library Example</title>
<meta name="viewport" content="width=device-width" />
<script src="https://unpkg.com/knockout@3.5.1/build/output/knockout-latest.js"></script>
<script src="/DevBuilds/survey-knockout/survey.ko.min.js"></script>
<link href="/DevBuilds/survey-core/modern.min.css" type="text/css" rel="stylesheet" />
<link rel="stylesheet" href="./index.css">
</head>
<body>
External navigation:
<span id="surveyProgress"></span>
<a id="surveyPrev" href="#" onclick="survey.prevPage();">Prev</a>
<a id="surveyNext" href="#" onclick="survey.nextPage();">Next</a>
<a id="surveyComplete" href="#" onclick="survey.completeLastPage();">Complete</a>
<br />
Go to page directly without validation: <select id="pageSelector" onchange="survey.currentPageNo = this.value"></select>
<hr/> <div id="surveyElement" style="display:inline-block;width:100%;">
</div>
<div id="surveyResult"></div>
<script type="text/javascript" src="./index.js"></script>
</body>
</html>
#surveyPrev, #surveyNext, #surveyComplete {
color: #1ab394;
}Use onCurrentPageChanged event to update it after the current page is changed.
If you use knockout, please use onRedered event to initialized your custom navigation elements.
survey.onCurrentPageChanged.add(function (sender, options) {
var survey = sender;
var oldCurrentPage = options.oldCurrentPage;
var newCurrentPage = options.newCurrentPage;
//Your code
});
//Requires for knockout platoform only
survey.onRendered.add(function (sender) {
var survey = sender;
//Your code
});
