<!DOCTYPE html>
<html>
<head>
<meta http-equiv="content-type" content="text/html; charset=ISO-8859-1">
<title>Fancytree - Example: Persist</title>
<script src="//code.jquery.com/jquery-3.2.1.min.js"></script>
<script src="//code.jquery.com/ui/1.12.1/jquery-ui.min.js"></script>
<!--
<script src="../lib/jquery.cookie.js"></script>
-->
<script src="//cdnjs.cloudflare.com/ajax/libs/js-cookie/2.0.1/js.cookie.min.js"></script>
<link href="../src/skin-win8/ui.fancytree.css" rel="stylesheet">
<script src="../src/jquery.fancytree.js"></script>
<script src="../src/jquery.fancytree.persist.js"></script>
<!-- Start_Exclude: This block is not part of the sample code -->
<link href="../lib/prettify.css" rel="stylesheet">
<script src="../lib/prettify.js"></script>
<link href="sample.css" rel="stylesheet">
<script src="sample.js"></script>
<!-- End_Exclude -->
<style type="text/css">
</style>
<!-- Add code to initialize the tree when the document is loaded: -->
<script type="text/javascript">
$(function(){
// Attach the fancytree widget to an existing <div id="tree"> element
// and pass the tree options as an argument to the fancytree() function:
$("#tree").fancytree({
extensions: ["persist"],
checkbox: true,
selectMode: 3,
source: {
url: "ajax-tree-plain.json"
},
persist: {
expandLazy: true,
// fireActivate: false, // false: suppress `activate` event after active node was restored
// overrideSource: false, // true: cookie takes precedence over `source` data attributes.
store: "auto" // 'cookie', 'local': use localStore, 'session': sessionStore
},
// don't use this in production code:
ajax: {
debugDelay: [200, 1000]
},
init: function(event, data) {
data.tree.debug(event.type, data);
},
restore: function(event, data) {
data.tree.debug(event.type, data);
},
activate: function(event, data) {
data.node.debug(event.type, data);
},
loadChildren: function(event, data) {
data.node.debug(event.type, data);
},
postProcess: function(event, data) {
// Create predictable, **unique** keys, which we need for our lazy
// persistence example. This is only required for this demo,
// because our lazyLoad handler will always return the same
// fake data.
var prefix = data.node.getIndexHier() + ".";
$.each(data.response, function(idx, childEntry){
if( childEntry.key == null ) {
childEntry.key = prefix + (idx + 1);
childEntry.title += " (" + childEntry.key + ")";
}
})
},
lazyLoad: function(event, data) {
data.result = {url: "ajax-sub2.json"};
}
});
var tree = $("#tree").fancytree("getTree");
addSampleButton({
label: "Reset Cookie",
newline: false,
code: function(){
tree.clearCookies();
}
});
});
</script>
</head>
<body class="example">
<h1>Example: 'persist' extension</h1>
<div class="description">
<p>
Store and restore tree status using cookies or local storage.
</p>
<p>
- Set options<br>
- click, expand, and select nodes<br>
- press [F5] to reload.
</p>
<p>
<b>Status:</b> production.
<b>Details:</b>
<a href="https://github.com/mar10/fancytree/wiki/ExtPersist"
target="_blank" class="external">ext-persist</a>.
</p>
</div>
<div>
<label for="skinswitcher">Skin:</label> <select id="skinswitcher"></select>
</div>
<p id="sampleButtons">
</p>
<!-- Add a <table> element where the tree should appear: -->
<div id="tree">
</div>
<!-- Start_Exclude: This block is not part of the sample code -->
<hr>
<p class="sample-links no_code">
<a class="hideInsideFS" href="https://github.com/mar10/fancytree">jquery.fancytree.js project home</a>
<a class="hideOutsideFS" href="#">Link to this page</a>
<a class="hideInsideFS" href="index.html">Example Browser</a>
<a href="#" id="codeExample">View source code</a>
</p>
<pre id="sourceCode" class="prettyprint" style="display:none"></pre>
<!-- End_Exclude -->
</body>
</html>