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• **unknown user**
  
  

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  Posted: Oct 04, 2005 - 03:59 AM

  In my module, I have three main tables: people, organizations, and projects. Right now, I've got it set up so that only the projects have hooks available. If I want to make them available for the people and organizations, how might I go about doing that? Is there anything special I need to do? Or is it even possible?

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• Simon
  
  

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  Posted: Oct 04, 2005 - 05:40 AM

  I'm not sure I quite understand - you call transform hooks, for example, on the content you are going to display, so what's stopping you calling it on different sets of content?
  
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• **unknown user**
  
  

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  Posted: Oct 04, 2005 - 05:53 AM

  Not transform hooks, but ... um, like EZComments or pnUpper. I can have people upload files to projects, but if I want to let them make comments on a person or organization, or also upload files for those, how would I do that?

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• Simon
  
  

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  Posted: Oct 04, 2005 - 07:12 AM

  You'd probably have to have a seperate display page for each thing you wanted to call display hook on..
  
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• Landseer
  
  

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  Posted: Oct 04, 2005 - 06:17 PM

  This might help you unless we have a more comprehensive documentation about hooks.
  
  Frank
  
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• jmvedrine
  
  

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  Posted: Oct 04, 2005 - 10:26 PM

  Hello,
  you will have a problem if you only pass the people's, project's or organization's id to the display hook as objectid because of course people can have the same id as an organization for instance
  but you can use the same system as Pagesetter :
  Pagesetter use pid_tid as objectid where pid is the publication type's id and tid the document's id.
  you can use:
  objectd = 1_peopleid for people
  objectid = 2_projectid for projects
  objectid = 3_orgganizationid for organizations
  doing this will permit the hook module to distinguish among people, projects and organizations
  Of course this will not work with hook modules that expect objectid to be numeric (so far Mark West's ping and trackback modules are the only released hook modules that expect objectid to be numeric this is the reason why they don't work with Pagesetter I don't know why Mark put this limitation in these 2 modules ?)
  
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• **unknown user**
  
  

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  Posted: Oct 05, 2005 - 03:57 AM

  Hrrrrmmmmm.... So I can call the hooks in the template and not worry about it in the APIs?
  
  The Example Module sends something to hooks when it adds, deletes, and (.760) modifies things. Do I need to worry about that for my module to display other hooked modules, or is that for other modules to hook into mine? (I think this is a different question than I originally asked.) I think know how I'm going to modify things, but I want to make sure I understand what I'm doing first. :)

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• Landseer
  
  

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  Posted: Oct 05, 2005 - 04:09 AM

  You can use display and transform hooks in templates if you want, all others need to be called in the code.
  
  Using a create/delete/update in a template does not make sense if there has not been anything created/deleted/updated before.
  
  Frank
  
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• cyber_wolf
  
  

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  Posted: Oct 06, 2005 - 02:58 AM

  jediping,
  
  I know what you are talking about. I wanted to use EZComments and a few other hooks on different pages in some of my modules, but in the current incarnation of the hooks system, you cannot do this. It only saves the module name and the item id. I added a feature request for this type of improvement http://noc.postnuke.…group_id=5&atid=104. Right now if you want comments (for example) on different types of data in the same module, you'll need to implement your own solution.
  
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• Landseer
  
  

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  Posted: Oct 06, 2005 - 03:42 AM

  It is possible to use a displayhook on different pages of the same module if you create unique ids. Pagesetter is doing this currently using its own function. In fact its unique ids are a combination of publication type and publication id: pid_tid. This works quite well.
  
  The hooks have to support this because doing it this way means that the hookobject is not longer an int but a string - some hooks will throw an error!
  
  Have a look at the Pagesetter code.
  
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• cyber_wolf
  
  

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  Posted: Oct 06, 2005 - 04:01 AM

  That's interesting. I never thought of doing that. I'll have to try and implement that.
  
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  www.bkbsolutions.com - My Zikula module development site.

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• **unknown user**
  
  

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  Posted: Oct 09, 2005 - 01:05 PM

  It is of course possible to specify unique IDs for tables that are numeric, as a very simple example you can set it so that the unit digit of the ID identifies the table, e.g.
  1, 11, 21, 31, 41, ... 12541, ... etc. all from table 1
  2, 12, 22, 32, 42, .... 12652, ... etc. all from table 2
  
  This allows up to 9 tables (you can obviously have as many tables as you want by extending the digits).
  
  Or if you want to be a little more fancy just use modulus and div... (Mod by number of tables to get table ID and div to get ID)... that way it doesn't matter if hooks require numeric IDs.

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• **unknown user**
  
  

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  Posted: Mar 15, 2006 - 10:30 AM

  is this still the case?
  
  
  i want to use EZComments for multiple items (different tables).
  
  
  i have Artists and Albums. i can users to comment on both.
  
  is the unique ids still the only solution?

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• Simon
  
  

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  Posted: Mar 15, 2006 - 10:43 AM

  It will always be the only solution, unless you have a better way for discerning different content? :)
  
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• **unknown user**
  
  

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  Posted: Mar 16, 2006 - 07:39 AM

  Couldn't the hooks implementation pass an optional "type" parameter in the argument array? I'm running into this same issue. The implementation seems limited to me. The unique ID solution seems more of a hack to me than a real solution. It would require maintaining an extra ID for each object and removing the convenience of using the primary key of the table as your object ID for auto-incrementing tables.
  
  Maybe I'm wrong, but I just think the hook implementation could be a little more robust.

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