https://bz.apache.org/bugzilla/show_bug.cgi?id=66705

            Bug ID: 66705
           Summary: Slide Transitions not working XSLF Slide
           Product: POI
           Version: unspecified
          Hardware: Macintosh
                OS: Mac OS X 10.1
            Status: NEW
          Severity: major
          Priority: P2
         Component: XSLF
          Assignee: dev@poi.apache.org
          Reporter: eric.may...@gmail.com
  Target Milestone: ---

I'm attempting to use POI to manage slide transitions.

Using this:

> final XSLFSlide slide;
> slide.getXmlObject().getTransition();


Always returns null, even when I know my slide has a transition in it.

I notice this in my VALID (source) PPT XML:

> <xml-fragment>
>       <mc:AlternateContent 
> xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006";>
>               <mc:Choice 
> xmlns:p159="http://schemas.microsoft.com/office/powerpoint/2015/09/main"; 
> Requires="p159">
>                       <p:transition advTm="17500" spd="slow">
>                               <p159:morph option="byObject"/>
>                       </p:transition>
>               </mc:Choice>
>               <mc:Fallback>
>                       <p:transition advTm="17500" spd="slow">
>                               <p:fade/>
>                       </p:transition>
>               </mc:Fallback>
>       </mc:AlternateContent>
> </xml-fragment>

When I use POI to add a transition, it adds this as a node:

> slide.getXmlObject().addNewTransition().setAdvTm(1000);

> <xml-fragment><p:transition advTm="17000"/></xml-fragment>

PPT reads is as corrupted, has to repair it, and it loses it.

I believe the format has changed and I could use help navigating it. I was
hoping you could help me either work around it or show me what I'm doing wrong.

Eric

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