private SignatureFieldExtension initExtension() {
        SignatureFieldExtension ext = new SignatureFieldExtension(this);
        ext.addSignatureChangeListener(new SignatureFieldExtension.SignatureChangeListener() {
            
            private static final long serialVersionUID = 1L;

            @Override
            public void signatureChange(SignatureFieldExtension.SignatureChangeEvent event) {
                changingVariables = true;
                try {
                    setValue(event.getSignature(), true);
                } finally {
                    changingVariables = false;
                }
            }
        });
        return ext;
    }
private SignatureFieldExtension initExtension ( ) { SignatureFieldExtension ext = new SignatureFieldExtension ( this ) ; ext . addSignatureChangeListener ( new SignatureFieldExtension . SignatureChangeListener ( ) { private static final long serialVersionUID = 1L ; @ Override public void signatureChange ( SignatureFieldExtension . SignatureChangeEvent event ) { changingVariables = true ; try { setValue ( event . getSignature ( ) , true ) ; } finally { changingVariables = false ; } } } ) ; return ext ; }
Creates the javascript extension used to communicate with the
client-side.
@return The extension of this field