is there a way to trigger actions from code?

Technical Support Apryse SDK
1

I am using the InterceptAnnotationHandling functionality to extract the Link annotation to handle GoTo_R links

When I open the document that is being linked to can I manually create a Goto link and execute it?

_pdfDoc = new PDFDoc(FilePath);
Destination dest = Destination.CreateFitR( page, l, b, r, t);
var pageView = pdftron.PDF.Action.CreateGoto(dest);

_pdfView.SetDoc(_PdfDoc);

// Execute pageView action ???

Thanks

Jamie

2

Could you confirm which platform you are asking about. Is it UWP?

Can you also elaborate on exactly what API you are referring to with InterceptAnnotationHandling?

3

Hi Ryan,

We are using Xamarin so implementation will need to be on IOS, Android and UWP

InterceptAnnotationHandling is part of the PDFTron ToolManager

Flow is

Client Opens a PDF
Clicks Link
Intercept Link and process to determine which document they want
Open or download and open document

What I need to be able to do is if there is a destination set as part of the link in the original document, I need to got that part of the document.

Thanks

4

Sorry for the delay in a reply.

A link annotation can be created like this:

Action goto_page_3 = Action.createGoto(Destination.createFitH(doc.getPage(3), 0)); com.pdftron.pdf.annots.Link link = com.pdftron.pdf.annots.Link.create(doc.getSDFDoc(), new Rect(85, 458, 503, 502), goto_page_3); first_page.annotPushBack(link);

When interacting with the link:

Action a = link.getAction(); ActionParameter action_param = new ActionParameter(a); pdfViewCtrl.executeAction(actionParam);

If this is not what you are looking for, can you please elaborate in details exactly what you are trying to achieve so we can better assist.

5

Thanks Ryan, that is what I am looking for,

What is the way to do this in Xamarin for IOS

the PDFViewCtrl ExecuteAction or ExecuteActionWithActionParameter functions both use PT implemetations of Action or ActionParameter is there a way to convert from and Action or ActionParameter to the PT version of these or create these PTAction / PTActionParameters?

Thanks

6

Yes, you would want to use method:

TypeConvertHelper.ConvActionToNative(…)

and
TypeConvertHelper.ConvActionParameterToNative(…)

Please let us know how it works for you. Thanks.

7

Hi Ryan,

While it works on IOS I am getting an error on Android (pdfron.Android 6.9.0)

{Java.Lang.NullPointerException: Attempt to invoke virtual method ‘com.pdftron.sdf.Obj com.pdftron.pdf.Action.getSDFObj()’ on a null object reference
at Java.Interop.JniEnvironment+InstanceMethods.CallNonvirtualVoidMethod (Java.Interop.JniObjectReference instance, Java.Interop.JniObjectReference type, Java.Interop.JniMethodInfo method, Java.Interop.JniArgumentValue* args) [0x00089] in <0ad2222fd7074badb5de547b1521aab0>:0
at Java.Interop.JniPeerMembers+JniInstanceMethods.InvokeVirtualVoidMethod (System.String encodedMember, Java.Interop.IJavaPeerable self, Java.Interop.JniArgumentValue* parameters) [0x0005d] in <0ad2222fd7074badb5de547b1521aab0>:0
at pdftronprivate.PDF.PDFViewCtrl.ExecuteAction (pdftronprivate.PDF.ActionParameter p0) [0x00031] in <30b392ec98784c849d0cf1c9b6544d46>:0
at pdftron.PDF.PDFViewCtrl.ExecuteAction (pdftron.PDF.ActionParameter actionParam) [0x00007] in <30b392ec98784c849d0cf1c9b6544d46>:0
at Field.Mobile.Droid.Renderers.PdfViewerRenderer.ExecuteAction (pdftron.PDF.Action action) [0x00009] in C:\Work\FieldMobileApp\App\Field.Mobile\Field.Mobile.Droid\Renderers\PdfViewerRenderer.cs:608
— End of managed Java.Lang.NullPointerException stack trace —
java.lang.NullPointerException: Attempt to invoke virtual method ‘com.pdftron.sdf.Obj com.pdftron.pdf.Action.getSDFObj()’ on a null object reference
at com.pdftron.pdf.PDFViewCtrl.executeAction(SourceFile:8111)
at mono.java.lang.RunnableImplementor.n_run(Native Method)
at mono.java.lang.RunnableImplementor.run(RunnableImplementor.java:30)
at android.os.Handler.handleCallback(Handler.java:790)
at android.os.Handler.dispatchMessage(Handler.java:99)
at android.os.Looper.loop(Looper.java:164)
at android.app.ActivityThread.main(ActivityThread.java:6494)
at java.lang.reflect.Method.invoke(Native Method)
at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run(RuntimeInit.java:438)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:807)

using the following code

// INFO - (linkedDestination.PageNumber = 1)

ExecuteAction(pdftron.PDF.Action.CreateGoto(Destination.CreateFit(_pdfDoc.GetPage(linkedDestination.PageNumber))));

private void ExecuteAction(pdftron.PDF.Action action)
{
try
{
ActionParameter a_p = new ActionParameter(action);
_pdfView.ExecuteAction(a_p);
}
catch (Exception ex)
{
throw ex;
}
}

Any ideas?

Thanks

Jamie

H

8

This means the Action you passed in is not valid.

Can you please do:

if (action != null && action.IsValid())
{
…
}

9

Hi,

This made no difference the action is returning as valid,

Thanks.

10

Hi,

Would it be possible if you could share us the file you are testing with and a complete code snippet so we can reproduce it on our side?
Thank you!

Best Regards.