Hi,
I'm having some problems with multiple plugins registering for the same hook. If I enable the xmlGalley plugin, my subsequent attempt to hook ArticleGalleyDAO::insertNewGalley fails. To be clear: this works if I disable the other plugin that hooks this, but not when both are enabled. Any ideas?
Multiple plugins, same hook
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Developer Resources:
Documentation: The OJS Technical Reference and the OJS API Reference are both available from the OJS Documentation page.
Git: You can access our public Git Repository here. Comprehensive Git usage instructions are available on the wiki.
Bugzilla: You can access our Bugzilla report tracker here.
Search: You can use our Google Custom Search to search across our main website, the support forum, and Bugzilla.
Questions and discussion are welcome, but if you have a workflow or usability question you should probably post to the OJS Editorial Support and Discussion subforum; if you have a technical support question, try the OJS Technical Support subforum.
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Multiple plugins, same hook
by MartinEve » Tue Sep 13, 2011 2:01 am
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Re: Multiple plugins, same hook
by asmecher » Tue Sep 13, 2011 9:12 am
Hi MartinEve,
Hooks can be chained, but the first hook callback to return a "true" will interrupt the hook call and prevent subsequent registrants from being called. Double-check to see whether or not the hook callbacks are returning true or not.
Regards,
Alec Smecher
Public Knowledge Project Team
Hooks can be chained, but the first hook callback to return a "true" will interrupt the hook call and prevent subsequent registrants from being called. Double-check to see whether or not the hook callbacks are returning true or not.
Regards,
Alec Smecher
Public Knowledge Project Team
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Re: Multiple plugins, same hook
by MartinEve » Tue Sep 13, 2011 12:38 pm
Hi Alec,
Hmmm, in that case, I'm pretty sure that's what's happening. Isn't that a bit of a design flaw?
Best,
Martin
Hmmm, in that case, I'm pretty sure that's what's happening. Isn't that a bit of a design flaw?
Best,
Martin
- MartinEve
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Re: Multiple plugins, same hook
by asmecher » Tue Sep 13, 2011 1:54 pm
Hi Martin,
There are some known problems with the XML galleys plugin, unfortunately, and it is in need of some rewriting. It's not widely used, so we haven't been able to prioritize it for attention yet.
Regards,
Alec Smecher
Public Knowledge Project Team
There are some known problems with the XML galleys plugin, unfortunately, and it is in need of some rewriting. It's not widely used, so we haven't been able to prioritize it for attention yet.
Regards,
Alec Smecher
Public Knowledge Project Team
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- Posts: 5748
- Joined: Wed Aug 10, 2005 12:56 pm
Re: Multiple plugins, same hook
by MartinEve » Tue Sep 13, 2011 10:32 pm
Thanks again for the reply. In that case, I'll have a look at doing some work on the plugin myself; will keep you posted on progress 
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