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Next/Previous restricted by category?
 
infogal
Posted: 12 August 2004 09:50 PM   [ Ignore ]  
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Hello: I am building a site where it would be very advantageous to have the Next/Previous linking ability restricted to specific categories. Is this possible in a future release?

Thanks,

Estelle

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Phil K.
Posted: 13 August 2004 06:46 AM   [ Ignore ]   [ # 1 ]  
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I like that idea too.

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Sasha
Posted: 05 December 2004 05:23 AM   [ Ignore ]   [ # 2 ]  
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Would love to see this as well! Actually, there are several things I’d like to see added to the Next/Previous tags, including restricting by category, and the same orderby and sort flexibility as in the main weblog entries tag. smile

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Tim Griffiths
Posted: 06 December 2004 08:21 AM   [ Ignore ]   [ # 3 ]  
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I would also love this. Also pagination within category would be handy.

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Supersusie (Hop Studios)
Posted: 04 April 2005 01:50 AM   [ Ignore ]   [ # 4 ]  
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Any ideas about how to achieve this effect, with PHP or other workarounds, would be greatly appreciated.

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thatbradguy
Posted: 02 September 2005 05:00 PM   [ Ignore ]   [ # 5 ]  
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i’d like this.

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Linda A
Posted: 11 December 2005 09:18 AM   [ Ignore ]   [ # 6 ]  
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Seconding this one too. Next/Previous needs to be able to take category tags, orderby, etc, to be really useful in a non-blog situation.

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Aegir Hallmundur
Posted: 23 January 2006 10:04 AM   [ Ignore ]   [ # 7 ]  
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Thirding, fourthing and fifthing this one. An addition to the next/prev tags for single entry pages would be cool. I’m taking the syntax from the ‘entry_linker’ plugin for gallery entries:

{exp:weblog:next_entry categories=“on”}

Next entry: {title}

{/exp:weblog:next_entry}

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Aegir Hallmundur
Posted: 25 January 2006 05:51 AM   [ Ignore ]   [ # 8 ]  
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We did a modification to mod.weblog.php to effect this change in behaviour.

The usage becomes:

{exp:weblog:next_entry restrict_category="yes"}
<p>Next entry: <a href="{path="news/comments"}">{title}</a></p>
{/exp:weblog:next_entry}

{exp:weblog:prev_entry restrict_category="yes"}
<p>Previous entry: <a href="{path="news/comments"}">{title}</a></p>
{/exp:weblog:prev_entry}

This is the diff patch:

*** mod.weblog.php2006-01-24 12:08:27.000000000 +0000
--- mod.weblog.php.ORIG2006-01-23 16:40:01.000000000 +0000
***************
*** 4652,4670 ****
  {
  $qstring = $FNS->remove_double_slashes(str_replace($match['0'], '', $qstring));
  }
-
- $CAT_FROM="";
- $CAT_WHERE="";
-
-         if ($TMPL->fetch_param('restrict_category') == "yes") {
- $CAT_FROM=", exp_category_posts AS c1, exp_category_posts AS c2";
- $CAT_WHERE="AND t1.entry_id = c1.entry_id AND t2.entry_id = c2.entry_id AND c1.cat_id = c2.cat_id";
- }
                          
          $sql = "SELECT t1.entry_id, t1.title, t1.url_title
! FROM exp_weblog_titles t1, exp_weblog_titles t2, exp_weblogs $CAT_FROM
! WHERE t1.weblog_id = exp_weblogs.weblog_id $CAT_WHERE";
!
          
          if (is_numeric($qstring))
          {
--- 4652,4661 ----
  {
  $qstring = $FNS->remove_double_slashes(str_replace($match['0'], '', $qstring));
  }
                          
          $sql = "SELECT t1.entry_id, t1.title, t1.url_title
! FROM exp_weblog_titles t1, exp_weblog_titles t2, exp_weblogs
! WHERE t1.weblog_id = exp_weblogs.weblog_id ";
          
          if (is_numeric($qstring))
          {
***************
*** 4790,4807 ****
  $qstring = $FNS->remove_double_slashes(str_replace($match['0'], '', $qstring));
  }
          
! $CAT_FROM="";
! $CAT_WHERE="";
!
!         if ($TMPL->fetch_param('restrict_category') == "yes") {
! $CAT_FROM=", exp_category_posts AS c1, exp_category_posts AS c2";
! $CAT_WHERE="AND t1.entry_id = c1.entry_id AND t2.entry_id = c2.entry_id AND c1.cat_id = c2.cat_id";
! }
!                         
!         $sql = "SELECT t1.entry_id, t1.title, t1.url_title
! FROM exp_weblog_titles t1, exp_weblog_titles t2, exp_weblogs $CAT_FROM
! WHERE t1.weblog_id = exp_weblogs.weblog_id $CAT_WHERE";
!
          
          if (is_numeric($qstring))
          {
--- 4781,4789 ----
  $qstring = $FNS->remove_double_slashes(str_replace($match['0'], '', $qstring));
  }
          
!         $sql = "SELECT t1.entry_id, t1.title, t1.url_title
! FROM exp_weblog_titles t1, exp_weblog_titles t2, exp_weblogs
! WHERE t1.weblog_id = exp_weblogs.weblog_id ";
          
          if (is_numeric($qstring))
          {
***************
*** 5384,5387 ****
        
  }
  // END CLASS
! ?>
--- 5366,5369 ----
        
  }
  // END CLASS
! ?>
\ No newline at end of file
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Aegir Hallmundur
Posted: 25 January 2006 05:51 AM   [ Ignore ]   [ # 9 ]  
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Excuse the darn smilies in there.

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Lisa Wess
Posted: 25 January 2006 05:59 AM   [ Ignore ]   [ # 10 ]  
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Edited your post to add code tags so that the smileys don’t come up.  [ code ] code [ /code ] (no spaces, obviously) for future reference. =)

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Aegir Hallmundur
Posted: 25 January 2006 06:01 AM   [ Ignore ]   [ # 11 ]  
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Cool! Thanks. smile

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thatbradguy
Posted: 01 February 2006 12:47 PM   [ Ignore ]   [ # 12 ]  
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i’d like this functionality please and thank you.

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John Donovan
Posted: 23 February 2006 06:01 PM   [ Ignore ]   [ # 13 ]  
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This would be fantastic and save a lot of headache thanks

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Shane Robinson
Posted: 24 August 2006 05:19 PM   [ Ignore ]   [ # 14 ]  
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Adding a bump to this Feature Request as well. Can’t use the Next/Prev Entry link unless we can specify by Category.

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