<!DOCTYPE html>
<html>
<head>
<meta http-equiv="content-type" content="text/html; charset=ISO-8859-1">
<title>Fancytree - Example: Events</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>
<link href="../src/skin-win8/ui.fancytree.css" rel="stylesheet">
<script src="../src/jquery.fancytree.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 -->
<script type="text/javascript">
$.ui.fancytree.debugLevel = 1; // silence debug output
function logEvent(event, data, msg){
// var args = $.isArray(args) ? args.join(", ") :
msg = msg ? ": " + msg : "";
$.ui.fancytree.info("Event('" + event.type + "', node=" + data.node + ")" + msg);
}
$(function(){
$("#tree").fancytree({
checkbox: true,
// --- Tree events -------------------------------------------------
blurTree: function(event, data) {
logEvent(event, data);
},
create: function(event, data) {
logEvent(event, data);
},
init: function(event, data, flag) {
logEvent(event, data, "flag=" + flag);
},
focusTree: function(event, data) {
logEvent(event, data);
},
restore: function(event, data) {
logEvent(event, data);
},
// --- Node events -------------------------------------------------
activate: function(event, data) {
logEvent(event, data);
var node = data.node;
// acces node attributes
$("#echoActive").text(node.title);
if( !$.isEmptyObject(node.data) ){
// alert("custom node data: " + JSON.stringify(node.data));
}
},
beforeActivate: function(event, data) {
logEvent(event, data, "current state=" + data.node.isActive());
// return false to prevent default behavior (i.e. activation)
// return false;
},
beforeExpand: function(event, data) {
logEvent(event, data, "current state=" + data.node.isExpanded());
// return false to prevent default behavior (i.e. expanding or collapsing)
// return false;
},
beforeSelect: function(event, data) {
// console.log("select", event.originalEvent);
logEvent(event, data, "current state=" + data.node.isSelected());
// return false to prevent default behavior (i.e. selecting or deselecting)
// if( data.node.isFolder() ){
// return false;
// }
},
blur: function(event, data) {
logEvent(event, data);
$("#echoFocused").text("-");
},
click: function(event, data) {
logEvent(event, data, ", targetType=" + data.targetType);
// return false to prevent default behavior (i.e. activation, ...)
//return false;
},
collapse: function(event, data) {
logEvent(event, data);
},
createNode: function(event, data) {
// Optionally tweak data.node.span or bind handlers here
logEvent(event, data);
},
dblclick: function(event, data) {
logEvent(event, data);
// data.node.toggleSelect();
},
deactivate: function(event, data) {
logEvent(event, data);
$("#echoActive").text("-");
},
expand: function(event, data) {
logEvent(event, data);
},
enhanceTitle: function(event, data) {
logEvent(event, data);
},
focus: function(event, data) {
logEvent(event, data);
$("#echoFocused").text(data.node.title);
},
keydown: function(event, data) {
logEvent(event, data);
switch( event.which ) {
case 32: // [space]
data.node.toggleSelected();
return false;
}
},
keypress: function(event, data) {
// currently unused
logEvent(event, data);
},
lazyLoad: function(event, data) {
logEvent(event, data);
// return children or any other node source
data.result = {url: "ajax-sub2.json"};
// data.result = [
// {title: "A Lazy node", lazy: true},
// {title: "Another node", selected: true}
// ];
},
loadChildren: function(event, data) {
logEvent(event, data);
},
loadError: function(event, data) {
logEvent(event, data);
},
modifyChild: function(event, data) {
logEvent(event, data, "operation=" + data.operation +
", child=" + data.childNode);
},
postProcess: function(event, data) {
logEvent(event, data);
// either modify the ajax response directly
data.response[0].title += " - hello from postProcess";
// or setup and return a new response object
// data.result = [{title: "set by postProcess"}];
},
renderNode: function(event, data) {
// Optionally tweak data.node.span
// $(data.node.span).text(">>" + data.node.title);
logEvent(event, data);
},
renderTitle: function(event, data) {
// NOTE: may be removed!
// When defined, must return a HTML string for the node title
logEvent(event, data);
// return "new title";
},
select: function(event, data) {
logEvent(event, data, "current state=" + data.node.isSelected());
var s = data.tree.getSelectedNodes().join(", ");
$("#echoSelected").text(s);
}
}).bind("fancytreeactivate", function(event, data){
// alternative way to bind to 'activate' event
// logEvent(event, data);
}).on("mouseenter mouseleave", ".fancytree-title", function(event){
// Add a hover handler to all node titles (using event delegation)
var node = $.ui.fancytree.getNode(event);
node.info(event.type);
});
});
</script>
<!-- Start_Exclude: This block is not part of the sample code -->
<script>
$(function(){
addSampleButton({
label: "(De)Select active node",
newline: false,
code: function(){
var node = $("#tree").fancytree("getActiveNode");
node.setSelected( !node.isSelected() );
}
});
addSampleButton({
label: "Remove active node",
newline: false,
code: function(){
var node = $("#tree").fancytree("getActiveNode");
node.remove();
}
});
});
</script>
<!-- End_Exclude -->
</head>
<body class="example">
<h1>Example: Events</h1>
<div class="description">
Implements all callbacks: Open your browser's console to see the event log.
<br>
The 'links' folders contain nodes with a custom data.url option.
This is used to open the URL in the onActivate event.
<br>
See the <a href="https://github.com/mar10/fancytree/wiki/TutorialEvents"
target="_blank" class="external">Events Tutorial</a>
for details.
</div>
<div>
<label for="skinswitcher">Skin:</label> <select id="skinswitcher"></select>
</div>
<p id="sampleButtons">
</p>
<div id="tree">
<ul>
<li class="folder">jQuery links
<ul>
<li data-foo="bar">jQuery home
<li data-json='{"url": "http://docs.jquery.com"}'>jQuery docs
</ul>
<li class="folder">Other links
<ul>
<li data-url="http://code.google.com">Google Code
</ul>
<li class="folder">Lazy loading
<ul>
<li id="k123" class="lazy">This is a lazy loading document with key k123.
<li id="k234" class="lazy folder">This is a lazy loading folder with key k234.
</ul>
</ul>
</div>
<div>Active node: <span id="echoActive">-</span></div>
<div>Selected node list: <span id="echoSelected">-</span></div>
<div>Focused node: <span id="echoFocused">-</span></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/">Fancytree 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>