Helper for CSSClass

querySelectorClass.js

/**
 * Helper lib to enable CSSClass being able to handle selector queries
 * @author Fabian Wolf
 * @link http://usability-idealist.de/
 * @license GNU GPL v3
 */

querySelectorClass = {
	fetchQuery: function( selector ) {
		var $return = false,
			queryResult = document.querySelectorAll( selector );
		
		if( queryResult.length > 0 ) {
			$return = queryResult;
		}
		
		return $return;
	},
	removeClass: function ( selector, css_class ) {
		var resultItems = this.fetchQuery( selector );
		
		if( resultItems != false ) {
			for( var i = 0, x = resultItems.length; i < x; i++) {
				resultItems[ i ].removeClass( css_class );
			}
		}
	},
	addClass: function( selector, css_class ) {
		var resultItems = this.fetchQuery( selector );
		
		if( resultItems != false ) {
			for( var i = 0, x = resultItems.length; i < x; i++) {
				resultItems[ i ].addClass( css_class );
			}
		}	
	},
	toggleClass: function( selector, css_class ) {
		var resultItems = this.fetchQuery( selector );
		
		if( resultItems != false ) {
			for( var i = 0, x = resultItems.length; i < x; i++) {
				resultItems[ i ].toggleClass( css_class );
			}
		}	
	},
	
	hasClass: function( selector, css_class ) {
		var $return = false,
			resultItems = this.fetchQuery( selector );
		
		
		if( resultItems != false ) {
			
			for( var i = 0, x = resultItems.length; i < x; i++) {
				if( queryResult[ i ].hasClass( css_class ) ) {
					$return = true;
				}
			}
		}
		
		return $return;
	},
};