📄 usage.html
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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
<html>
<head>
<title>xTree Usage (WebFX)</title>
<!-- WebFX Layout Include -->
<script type="text/javascript" src="local/webfxlayout.js"></script>
<!-- end WebFX Layout Includes -->
<style type="text/css">
table {
width: 500px;
}
td {
vertical-align: top;
}
</style>
</head>
<body>
<!-- WebFX Layout Include -->
<script type="text/javascript">
var articleMenu= new WebFXMenu;
articleMenu.left = 384;
articleMenu.top = 86;
articleMenu.width = 140;
articleMenu.add(new WebFXMenuItem("History & Introduction", "index.html"));
articleMenu.add(new WebFXMenuItem("Usage", "usage.html"));
articleMenu.add(new WebFXMenuItem("API", "api.html"));
articleMenu.add(new WebFXMenuItem("Implementation", "implementation.html"));
articleMenu.add(new WebFXMenuItem("Demo", "javascript:window.open('demo.html','demo','scrollbars=yes,status=no,width=500,height=400,resizable=yes'); void(0);"));
articleMenu.add(new WebFXMenuSeparator);
articleMenu.add(new WebFXMenuItem("Download", "http://webfx.eae.net/download/xtree117.zip"));
webfxMenuBar.add(new WebFXMenuButton("Article Menu", null, null, articleMenu));
webfxLayout.writeTitle("xTree Usage");
webfxLayout.writeMenu();
webfxLayout.writeDesignedByEdger();
</script>
<div class="webfx-main-body">
<!-- end WebFX Layout Includes -->
<p>
This tree widget is based on objects and all html code is generated from a js structure. To create a tree
you won't have to write a single line of html however you will have to learn how to to create the tree and
treeItem objects.
</p>
<h2>Usage</h2>
<p>
The tree(s) needs to be create during the initial load phase of the page. This is accomplished by creating a
<code>WebFXTree</code> object and then add <code>WebFXTreeItem</code>s to it. Once all items has been added
<code>document.write</code> is used to generate the html code and insert it into the page.
</p>
<img src="article-images/tree1.png" align="left">
<pre style="margin-left: 82px;">
var tree = new WebFXTree('Root');
tree.add(new WebFXTreeItem('Tree Item 1'));
tree.add(new WebFXTreeItem('Tree Item 2'));
tree.add(new WebFXTreeItem('Tree Item 3'));
document.write(tree);
</pre>
<h3>Folders</h3>
<p>
A folder is created by adding a new tree item to a already created tree item. However since we need to keep
a reference to this tree item object (so that we can add tree items to it, and make it a folder) we cannot
create the new object inside the add method. So instead we first create the new tree item object and then
we add it to the tree.
</p>
<img src="article-images/tree2.png" align="left">
<pre style="margin-left: 82px;">
var tree = new WebFXTree('Root');
<font color="teal">/* Add tree item to tree */</font>
tree.add(new WebFXTreeItem('1'));
<font color="teal">/* Create a new folder and add it to tree */</font>
var folder = new WebFXTreeItem('2')
tree.add(folder);
<font color="teal">/* Add tree items to folder */</font>
folder.add(new WebFXTreeItem('2.1'));
folder.add(new WebFXTreeItem('2.2'));
folder.add(new WebFXTreeItem('2.3'));
<font color="teal">/* Add another tree item to tree */</font>
tree.add(new WebFXTreeItem('3'));
document.write(tree);
</pre>
<h3>Explorer behavior</h3>
<p>
Since I first published this tree control I've been getting a lot of requesters about making it contain
only folders. So I added a setBehavior method to it. The example below is an exact copy of the one above,
with the one exception that this uses <code>tree.setBehavior('explorer');</code>
</p>
<img src="article-images/tree3.png" align="left">
<pre style="margin-left: 82px;">
var tree = new WebFXTree('Root');
<font color="teal">/* Change the behavior of the tree */</font>
tree.setBehavior('explorer');
<font color="teal">/* Add tree item to tree */</font>
tree.add(new WebFXTreeItem('1'));
<font color="teal">/* Create a new folder and add it to tree */</font>
var folder = new WebFXTreeItem('2')
tree.add(folder);
<font color="teal">/* Add tree items to folder */</font>
folder.add(new WebFXTreeItem('2.1'));
folder.add(new WebFXTreeItem('2.2'));
folder.add(new WebFXTreeItem('2.3'));
<font color="teal">/* Add another tree item to tree */</font>
tree.add(new WebFXTreeItem('3'));
document.write(tree);
</pre>
<h3>Custom Icons</h3>
<p>
Some times you might want to combine the two styles, or make some of the folders/items have a different
icon than the default. To achieve that set the <code>object.icon</code> property to an uri, or to a javascript
variable containing one. To change the open icons for folders use <code>object.openIcon</code>.
</p>
<img src="article-images/tree4.png" align="left">
<pre style="margin-left: 82px;">
var tree = new WebFXTree('Root');
tree.setBehavior('explorer');
tree.icon = 'http://webfx.eae.net/images/notepad.gif';
tree.add(new WebFXTreeItem('1'));
var folder = new WebFXTreeItem('2')
tree.add(folder);
var t21 = new WebFXTreeItem('2.1');
<font color="teal">/* Change the icon */</font>
t21.icon = webFXTreeConfig.fileIcon;
folder.add(t21);
var t22 = new WebFXTreeItem('2.2');
<font color="teal">/* Change the icon */</font>
t22.icon = webFXTreeConfig.fileIcon;
folder.add(t22);
var t23 = new WebFXTreeItem('2.3');
<font color="teal">/* Change the icon */</font>
t23.icon = webFXTreeConfig.fileIcon;
folder.add(t23);
tree.add(new WebFXTreeItem('3'));
document.write(tree);
</pre>
<p>
<a href="index.html">History & Introduction</a><br />
<a href="usage.html">Usage</a><br />
<a href="api.html">API</a><br />
<a href="implementation.html">Implementation</a><br />
<a href="javascript:window.open('demo.html','demo','scrollbars=yes,status=no,width=500,height=400,resizable=yes'); void(0);">Demo</a><br />
<a href="http://webfx.eae.net/download/xtree117.zip">Download</a>
</p>
<!-- end webfx-main-body -->
</div>
</body>
</html>
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