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# Class Ext.tree.TreeNodeUI

Package: | Ext.tree
Defined In: | TreeNodeUI.js
Class: | TreeNodeUI
Extends: | Object

This class provides the default UI implementation for Ext TreeNodes. The TreeNode UI implementation is separate from the tree implementation, and allows customizing of the appearance of tree nodes.

If you are customizing the Tree's user interface, you may need to extend this class, but you should never need to instantiate this class.

This class provides access to the user interface components of an Ext TreeNode, through Ext.tree.TreeNode.getUI

## Public Properties

This class has no public properties.

## Public Methods

Method | Defined By
--- | ---
| addClass( `String/Array className` ) : void Adds one or more CSS classes to the node's UI element. Duplicate classes are automatically filtered out. Adds one or more CSS classes to the node's UI element. Duplicate classes are automatically filtered out. Parameters: `className` : String/Array The CSS class to add, or an array of classes Returns: `void` | TreeNodeUI
| getAnchor() : HtmlElement Returns the <a> element that provides focus for the node's UI. Returns the <a> element that provides focus for the node's UI. Parameters: None. Returns: `HtmlElement` The DOM anchor element. | TreeNodeUI
| getIconEl() : HtmlElement Returns the icon <img> element. Returns the icon <img> element. Parameters: None. Returns: `HtmlElement` The DOM image element. | TreeNodeUI
| getTextEl() : HtmlNode Returns the text node. Returns the text node. Parameters: None. Returns: `HtmlNode` The DOM text node. | TreeNodeUI
| hide() : void Hides this node. Hides this node. Parameters: None. Returns: `void` | TreeNodeUI
| isChecked() : Boolean Returns the checked status of the node. If the node was rendered with no checkbox, it returns false. Returns the checked status of the node. If the node was rendered with no checkbox, it returns false. Parameters: None. Returns: `Boolean` The checked flag. | TreeNodeUI
| removeClass( `String/Array className` ) : void Removes one or more CSS classes from the node's UI element. Removes one or more CSS classes from the node's UI element. Parameters: `className` : String/Array The CSS class to remove, or an array of classes Returns: `void` | TreeNodeUI
| show() : void Shows this node. Shows this node. Parameters: None. Returns: `void` | TreeNodeUI
| toggleCheck( `Boolean (optional)` ) : void Sets the checked status of the tree node to the passed value, or, if no value was passed, toggles the checked status.... Sets the checked status of the tree node to the passed value, or, if no value was passed, toggles the checked status. If the node was rendered with no checkbox, this has no effect. Parameters: `(optional)` : Boolean The new checked status. Returns: `void` | TreeNodeUI

## Public Events

This class has no public events.