As you probably noticed, the tags function does not work like a typical
search function so implementing this was not trivial. But it is a great
idea and with a little thought I was able to take a stab at it. Here's the
rewritten tags function allowing you to use a when parameter.
function BOLTFtags($args) {
global $BOLTinfoCache;
$page = BOLTinit('index.tags', $args[1], $args['page']);
if (in_array('cloud', $args)) {
global $pageLink;
deprecate('tag_cloud', 'The tags function now requires fmt=cloud',
$pageLink);
if ($page == 'cloud') $page = 'index.tags';
$args['fmt'] = 'cloud';
}
BOLTinfoVar($page);
$tagArray = $BOLTinfoCache[$page];
$tagPages = array_keys($tagArray);
foreach ($tagPages as $i => $p) {
if ($args['when'] != '') {
$when = BOLTdisplayReplace($args['when'], $i, $tagPages,
Array('info'=>$page));
if (BOLTiftrue($when, 'true') != 'true') { unset($tagArray[$p]); continue; }
}
$tags .= ' ' . $tagArray[$p][0];
}
if (trim($tags) == '') return BOLTinit('No tags found...', $args['none']);
$tags = explode(' ', trim($tags));
foreach ($tags as $t) {
$tag[$t] = $tag[$t] + 1;
}
if (is_number($args['count'])) {
krsort($tag);
$tag = array_slice($tag, 0, $args['count']);
}
if ($args['sort'] != 'false') ksort($tag);
if ($args['fmt'] == 'cloud') {
$c = $tag;
sort($c);
$low = $c[0];
$high = $c[count($c)-1];
$diff = ($high - $low);
$max = BOLTinit(17, $args['max']);
$min = BOLTinit(10, $args['min']);
ksort($tag);
foreach($tag as $i => $ii) {
$x = ((($ii - $low) / $diff) * $max) + $min; // 12 is smallest size, 12 +
15 is largest size. px
$out .= " <span style=\"font-size: " . $x .
"px;\">[[action.tags&tag=$i|$i]]</span> ";
}
return $out;
}
if ($args['fmt'] == '' && $args['template'] == '') $args['fmt'] =
'[[action.tags&tag={+field}|{+field}]]';
return BOLTdisplay ($tag, $args);
}
I'm also going to change a bit how the parameters work. Now to get a
tagcloud, you do fmt=cloud. The current behavior will continue for awhile,
but has been deprecated. The reason is you could conceivably have a page
called cloud.
Please double check my code and make sure it works for you. Preliminary
testing looks good.
Cheers,
Dan
On Sun, Jan 17, 2016 at 2:40 AM Tiffany Grenier <grenier.tiff...@gmail.com>
wrote:
> Hi,
>
> The listtags function mainly has one different line from the tags
> function, the one with the comment. It only reads the tags for the current
> (or given) page group, so the return cloud would only be for the current
> (or given) page and its descendants.
> As far as I can tell, if you put [(tags cloud)] on page "docs", then any
> tags in the forum area (for example in forum.1001) will be taken into
> account. With the listtags function, you could be able to do [(listtags
> cloud=docs)] for the tagcloud of the docs area and [(listtags could=forum)]
> for the forum area.
> Creating an index for each site area that might be worth a tagcloud is, to
> my mind, unnecessary work. But I did not want to alter the tags function
> while degrading its feature.
>
> I was also thinking that it would be nice if the "tags" function accepted
> a "when" parameter like search and list (and later query) since it is also
> dealing with indexes. In such a case, my listtags function would not be
> needed anymore as one could do [(tags cloud when=' {+p} equal site.area ||
> insource string={+p} find="site.area." ')]. My interest in here would be to
> do [(tags cloud when='gamedate {+p} || visiblegamepost {+p}')] without
> having to rebuild a different index.
>
> Cheers,
> Tiffany
>
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