Returns whether or not the field value is currently valid by {@link #getErrors validating} the
{@link #processRawValue processed raw value} of the field. **Note**: {@link #disabled} fields are
always treated as valid.

@return {Boolean} True if the value is valid, else false
function() {
        var me = this,
            disabled = me.disabled,
            validate = me.forceValidation || !disabled;
            
        
        return validate ? me.validateValue(me.processRawValue(me.getRawValue())) : disabled;
    }