Advanced User Interface Controls and Components
Ensures a specified item is visible in current view of TreeView widget.
Param | Type | Details |
---|---|---|
item | Object | The item to become visible in current view of TreeView |
This method does not return a value.
If specified item is a child and placed deep within tree hierarchy, all parent items will become expanded. Additionally, the current view of TreeView will be scrolled to make sure item becomes visible.
Supported in: v1.0.
In this example we are showing how to call ensureVisible method. The specified item will become visible and selected.
$(document).ready(function() {
// Create an instance of TreeView widget
var $tree = $('#treeview').treeview();
var makeItemVisible = function(){
var item = $tree.treeview("findItemByText", 'Item2321');
if (item){
$tree.treeview("ensureVisible", item);
$tree.treeview("selectedItem", item);
}
}
});
<!DOCTYPE html>
<html>
<head>
<link rel="stylesheet" href="css/integralui.treeview.css" />
<link rel="stylesheet" href="css/themes/theme-blue.css" />
<script type="text/javascript" src="external/jquery-1.9.1.min.js"></script>
<script type="text/javascript" src="external/jquery.ui.core.min.js"></script>
<script type="text/javascript" src="external/jquery.ui.widget.min.js"></script>
<script type="text/javascript" src="js/jquery.integralui.widget.min.js"></script>
<script type="text/javascript" src="js/jquery.integralui.treeview.min.js"></script>
</head>
<body>
<div id="treeview" class="widget">
<ul>
<li><span>Item1</span></li>
<li><span>Item2</span>
<ul>
<li><span>Item21</span></li>
<li>><span>Item22</span></li>
<li data-expanded=false><span>Item23</span></li>
<ul>
<li><span>Item231</span></li>
<li data-expanded=false><span>Item232</span>
<ul>
<li><span>Item2321</span></li>
<li><span>Item2322</span></li>
</ul>
</li>
<li><span>Item233</span></li>
</ul>
</li>
<li><span>Item24</span></li>
</ul>
</li>
<li data-expanded=false><span>Item3</span></li>
<ul>
<li><span>Item31</span></li>
<li><span>Item32</span></li>
<li><span>Item33</span></li>
</ul>
</li>
</ul>
</div>
</body>
</html>
.widget
{
width: 300px;
height: 300px;
}