Using TreeView with Custom Icons
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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/TR/html4/strict.dtd">
<html>
<head>
<meta http-equiv="content-type" content="text/html; charset=utf-8">
<title>Using TreeView with Custom Icons</title>
<style type="text/css">
/*margin and padding on body element
can introduce errors in determining
element position and are not recommended;
we turn them off as a foundation for YUI
CSS treatments. */
body {
margin:0;
padding:0;
}
</style>
<link rel="stylesheet" type="text/css" href="yui_2.7.0b-lib/fonts/fonts-min.css" />
<link rel="stylesheet" type="text/css" href="yui_2.7.0b-lib/treeview/assets/skins/sam/treeview.css" />
<script type="text/javascript" src="yui_2.7.0b-lib/yahoo-dom-event/yahoo-dom-event.js"></script>
<script type="text/javascript" src="yui_2.7.0b-lib/treeview/treeview-min.js"></script>
<!--begin custom header content for this example-->
<!--Bring in the folder-style TreeView CSS:-->
<link rel="stylesheet" type="text/css" href="yui_2.7.0b-assets/treeview-assets/css/folders/tree.css"></link>
<!--Additional custom style rules for this example:-->
<style type="text/css">
#treewrapper {background: #fff; position:relative;}
#treediv {position:relative; width:250px; background: #fff; padding:1em;}
.icon-ppt { display:block; height: 22px; padding-left: 20px; background: transparent url(yui_2.7.0b-assets/treeview-assets/img/icons.png) 0 0px no-repeat; }
.icon-dmg { display:block; height: 22px; padding-left: 20px; background: transparent url(yui_2.7.0b-assets/treeview-assets/img/icons.png) 0 -36px no-repeat; }
.icon-prv { display:block; height: 22px; padding-left: 20px; background: transparent url(yui_2.7.0b-assets/treeview-assets/img/icons.png) 0 -72px no-repeat; }
.icon-gen { display:block; height: 22px; padding-left: 20px; background: transparent url(yui_2.7.0b-assets/treeview-assets/img/icons.png) 0 -108px no-repeat; }
.icon-doc { display:block; height: 22px; padding-left: 20px; background: transparent url(yui_2.7.0b-assets/treeview-assets/img/icons.png) 0 -144px no-repeat; }
.icon-jar { display:block; height: 22px; padding-left: 20px; background: transparent url(yui_2.7.0b-assets/treeview-assets/img/icons.png) 0 -180px no-repeat; }
.icon-zip { display:block; height: 22px; padding-left: 20px; background: transparent url(yui_2.7.0b-assets/treeview-assets/img/icons.png) 0 -216px no-repeat; }
.htmlnodelabel { margin-left: 20px; }
</style>
<!--end custom header content for this example-->
</head>
<body class=" yui-skin-sam">
<h1>Using TreeView with Custom Icons</h1>
<div class="exampleIntro">
<p>This example demonstrates the use of custom icon styles on <a href="http://developer.yahoo.com/yui/treeview/">TreeView Control</a> nodes through the use of a image sprite. Read the tutorial below the example for full details on how to achieve this effect.</p>
</div>
<!--BEGIN SOURCE CODE FOR EXAMPLE -->
<div id="treewrapper">
<div id="treediv"> </div>
</div>
<script>
//Wrap our initialization code in an anonymous function
//to keep out of the global namespace:
(function(){
var init = function() {
//create the TreeView instance:
var tree = new YAHOO.widget.TreeView("treediv");
//get a reusable reference to the root node:
var root = tree.getRoot();
//for Ahmed's documents, we'll use TextNodes.
//First, create a parent node for his documents:
var ahmedDocs = new YAHOO.widget.TextNode("Ahmed's Documents", root, true);
//Create a child node for his Word document:
var ahmedMsWord = new YAHOO.widget.TextNode("Prospectus", ahmedDocs, false);
//Now, apply the "icon-doc" style to this node's
//label:
ahmedMsWord.labelStyle = "icon-doc";
var ahmedPpt = new YAHOO.widget.TextNode("Presentation", ahmedDocs, false);
ahmedPpt.labelStyle = "icon-ppt";
var ahmedPdf = new YAHOO.widget.TextNode("Prospectus-PDF version", ahmedDocs, false);
ahmedPdf.labelStyle = "icon-prv";
//for Susheela's documents, we'll use HTMLNodes.
//First, create a parent node for her documents:
var sushDocs = new YAHOO.widget.TextNode("Susheela's Documents", root, true);
//Create a child node for her zipped files:
var sushZip = new YAHOO.widget.HTMLNode("<span class=\"htmlnodelabel\">Zipped Files</span>", sushDocs, false, true);
//Now, apply the "icon-zip" style to this HTML node's
//content:
sushZip.contentStyle = "icon-zip";
var sushDmg = new YAHOO.widget.HTMLNode("<span class=\"htmlnodelabel\">Files -- .dmg version</span>", sushDocs, false, true);
sushDmg.contentStyle = "icon-dmg";
var sushGen = new YAHOO.widget.HTMLNode("<span class=\"htmlnodelabel\">Script -- text version</span>", sushDocs, false, true);
sushGen.contentStyle = "icon-gen";
var sushJar = new YAHOO.widget.HTMLNode("<span class=\"htmlnodelabel\">JAR file</span>", sushDocs, false, true);
sushJar.contentStyle = "icon-jar";
tree.draw();
}
//Add an onDOMReady handler to build the tree when the document is ready
YAHOO.util.Event.onDOMReady(init);
})();
</script>
<!--END SOURCE CODE FOR EXAMPLE -->
</body>
</html>
<!-- presentbright.corp.yahoo.com uncompressed/chunked Thu Feb 19 10:53:20 PST 2009 -->
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