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/**
* @license Copyright (c) 2003-2017, CKSource - Frederico Knabben. All rights reserved.
* For licensing, see LICENSE.md or http://ckeditor.com/license
*/
/**
* Represents a list of {@link CKEDITOR.dom.node} objects.
* It is a wrapper for a native nodes list.
*
* var nodeList = CKEDITOR.document.getBody().getChildren();
* alert( nodeList.count() ); // number [0;N]
*
* @class
* @constructor Creates a document class instance.
* @param {Object} nativeList
*/
CKEDITOR.dom.nodeList = function( nativeList ) {
this.$ = nativeList;
};
CKEDITOR.dom.nodeList.prototype = {
/**
* Gets the count of nodes in this list.
*
* @returns {Number}
*/
count: function() {
return this.$.length;
},
/**
* Gets the node from the list.
*
* @returns {CKEDITOR.dom.node}
*/
getItem: function( index ) {
if ( index < 0 || index >= this.$.length )
return null;
var $node = this.$[ index ];
return $node ? new CKEDITOR.dom.node( $node ) : null;
},
/**
* Returns a node list as an array.
*
* @returns {CKEDITOR.dom.node[]}
*/
toArray: function() {
return CKEDITOR.tools.array.map( this.$, function( nativeEl ) {
return new CKEDITOR.dom.node( nativeEl );
} );
}
};
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