- if ( value == null ) {
- if ( this.length ) {
- var data = jQuery.data( this[0], key );
- return data == null ?
- jQuery.data( this[0], key.split(".")[0] ) :
- data;
- }
+ var parts = key.split(".");
+ parts[1] = parts[1] ? "." + parts[1] : "";
+
+ if ( value === undefined ) {
+ var data = this.triggerHandler("getData" + parts[1] + "!", [parts[0]]);
+
+ if ( data === undefined && this.length )
+ data = jQuery.data( this[0], key );
+
+ return data === undefined && parts[1] ?
+ this.data( parts[0] ) :
+ data;