define([

"../core",
"../var/rnotwhite",
"../var/strundefined",
"../data/var/data_priv",
"../core/init"

], function( jQuery, rnotwhite, strundefined, data_priv ) {

var rclass = /[trnf]/g;

jQuery.fn.extend({

addClass: function( value ) {
        var classes, elem, cur, clazz, j, finalValue,
                proceed = typeof value === "string" && value,
                i = 0,
                len = this.length;

        if ( jQuery.isFunction( value ) ) {
                return this.each(function( j ) {
                        jQuery( this ).addClass( value.call( this, j, this.className ) );
                });
        }

        if ( proceed ) {
                // The disjunction here is for better compressibility (see removeClass)
                classes = ( value || "" ).match( rnotwhite ) || [];

                for ( ; i < len; i++ ) {
                        elem = this[ i ];
                        cur = elem.nodeType === 1 && ( elem.className ?
                                ( " " + elem.className + " " ).replace( rclass, " " ) :
                                " "
                        );

                        if ( cur ) {
                                j = 0;
                                while ( (clazz = classes[j++]) ) {
                                        if ( cur.indexOf( " " + clazz + " " ) < 0 ) {
                                                cur += clazz + " ";
                                        }
                                }

                                // only assign if different to avoid unneeded rendering.
                                finalValue = jQuery.trim( cur );
                                if ( elem.className !== finalValue ) {
                                        elem.className = finalValue;
                                }
                        }
                }
        }

        return this;
},

removeClass: function( value ) {
        var classes, elem, cur, clazz, j, finalValue,
                proceed = arguments.length === 0 || typeof value === "string" && value,
                i = 0,
                len = this.length;

        if ( jQuery.isFunction( value ) ) {
                return this.each(function( j ) {
                        jQuery( this ).removeClass( value.call( this, j, this.className ) );
                });
        }
        if ( proceed ) {
                classes = ( value || "" ).match( rnotwhite ) || [];

                for ( ; i < len; i++ ) {
                        elem = this[ i ];
                        // This expression is here for better compressibility (see addClass)
                        cur = elem.nodeType === 1 && ( elem.className ?
                                ( " " + elem.className + " " ).replace( rclass, " " ) :
                                ""
                        );

                        if ( cur ) {
                                j = 0;
                                while ( (clazz = classes[j++]) ) {
                                        // Remove *all* instances
                                        while ( cur.indexOf( " " + clazz + " " ) >= 0 ) {
                                                cur = cur.replace( " " + clazz + " ", " " );
                                        }
                                }

                                // Only assign if different to avoid unneeded rendering.
                                finalValue = value ? jQuery.trim( cur ) : "";
                                if ( elem.className !== finalValue ) {
                                        elem.className = finalValue;
                                }
                        }
                }
        }

        return this;
},

toggleClass: function( value, stateVal ) {
        var type = typeof value;

        if ( typeof stateVal === "boolean" && type === "string" ) {
                return stateVal ? this.addClass( value ) : this.removeClass( value );
        }

        if ( jQuery.isFunction( value ) ) {
                return this.each(function( i ) {
                        jQuery( this ).toggleClass( value.call(this, i, this.className, stateVal), stateVal );
                });
        }

        return this.each(function() {
                if ( type === "string" ) {
                        // Toggle individual class names
                        var className,
                                i = 0,
                                self = jQuery( this ),
                                classNames = value.match( rnotwhite ) || [];

                        while ( (className = classNames[ i++ ]) ) {
                                // Check each className given, space separated list
                                if ( self.hasClass( className ) ) {
                                        self.removeClass( className );
                                } else {
                                        self.addClass( className );
                                }
                        }

                // Toggle whole class name
                } else if ( type === strundefined || type === "boolean" ) {
                        if ( this.className ) {
                                // store className if set
                                data_priv.set( this, "__className__", this.className );
                        }

                        // If the element has a class name or if we're passed `false`,
                        // then remove the whole classname (if there was one, the above saved it).
                        // Otherwise bring back whatever was previously saved (if anything),
                        // falling back to the empty string if nothing was stored.
                        this.className = this.className || value === false ? "" : data_priv.get( this, "__className__" ) || "";
                }
        });
},

hasClass: function( selector ) {
        var className = " " + selector + " ",
                i = 0,
                l = this.length;
        for ( ; i < l; i++ ) {
                if ( this[i].nodeType === 1 && (" " + this[i].className + " ").replace(rclass, " ").indexOf( className ) >= 0 ) {
                        return true;
                }
        }

        return false;
}

});

});