Hi,
> Am 14.07.2015 um 18:12 schrieb Tilman Hausherr <[email protected]>:
>
> Yesterday I wrote a tool to show the Javascript code in a PDF. Some widgets
> did have Javascript, but it wasn't possible to access this with our methods
> (e.g. getK()), only by accessing the COSDictionary structure directly. The
> reason is that these widgets have a getActions() method that return
> PDAnnotationAdditionalActions and not PDFormFieldAdditionalActions. Here's my
> code, which shows my workaround (at the line with "Merkwürdig"):
>
> if (field instanceof PDTerminalField)
> {
> PDTerminalField termField = (PDTerminalField) field;
> for (PDAnnotationWidget widget : termField.getWidgets())
> {
> PDAction action = widget.getAction();
> if (action instanceof PDActionJavaScript)
> {
> System.out.println(field.getFullyQualifiedName() + ": " +
> action.getClass().getSimpleName() + " js widget action:\n" +
> action.getCOSObject());
> printPossibleJS(action);
> }
> PDAnnotationAdditionalActions actions = widget.getActions();
> if (actions != null)
> {
> System.out.println(field.getFullyQualifiedName() + ": " +
> actions.getClass().getSimpleName() + " js widget actionS:\n" +
> actions.getCOSObject());
>
> // Merkwürdig, wieso bekomme ich nicht
> PDFormFieldAdditionalActions sondern ein PDAnnotationAdditionalActions in dem
> ein K ist aber kein getK() ?
> PDFormFieldAdditionalActions ffActions = new
> PDFormFieldAdditionalActions((COSDictionary) actions.getCOSObject());
> printPossibleJS(ffActions.getK());
> printPossibleJS(ffActions.getC());
> printPossibleJS(ffActions.getF());
> printPossibleJS(ffActions.getV());
> }
> }
> }
>
> ….
as the /AA key is used for both field actions and annotation actions and as you
are calling the getActions() method for the (widget) annotation
PDAnnotationAdditionalActions is returned. You'd need to call getActions() for
PDField which will return PDFormFieldAdditionalActions.
BR
Maruan
>
> private void printPossibleJS(PDAction kAction)
> {
> if (kAction instanceof PDActionJavaScript)
> {
> PDActionJavaScript jsAction = (PDActionJavaScript) kAction;
> String jsString = jsAction.getAction();
> if (!jsString.contains("\n"))
> {
> // Sonst erscheint in Netbeans nichts?!
> jsString = jsString.replaceAll("\r", "\n").replaceAll("\n\n",
> "\n");
> }
> System.out.println(jsString);
> System.out.println();
> }
> }
>
> So I'm wondering if this is a bug in the code, or rather the problem that
> widgets are used both for annotations and fields?
>
> Tilman
>
>
>
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