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MDL-14489: Make the tag cloud "more extended" in size with small dataset (credits to Matt Gibson) (merge from 1.9)

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This commit is contained in:
scyrma 2008-09-24 08:07:15 +00:00
parent 94abd70c7d
commit dae7b4f606
1 changed files with 14 additions and 24 deletions

38
tag/locallib.php

@ -22,43 +22,33 @@ function tag_print_cloud($nr_of_tags=150, $return=false) {
$can_manage_tags = has_capability('moodle/tag:manage', get_context_instance(CONTEXT_SYSTEM));
if ( !$tagcloud = $DB->get_records_sql('SELECT tg.rawname, tg.id, tg.name, tg.tagtype, COUNT(ti.id) AS count, tg.flag
FROM {tag_instance} ti JOIN {tag} tg ON tg.id = ti.tagid
WHERE ti.itemtype <> \'tag\'
GROUP BY tg.id, tg.rawname, tg.name, tg.flag, tg.tagtype
ORDER BY count DESC, tg.name ASC', null, 0, $nr_of_tags) ) {
$tagcloud = array();
if ( !$tagsincloud = $DB->get_records_sql('SELECT tg.rawname, tg.id, tg.name, tg.tagtype, COUNT(ti.id) AS count, tg.flag
FROM {tag_instance} ti JOIN {tag} tg ON tg.id = ti.tagid
WHERE ti.itemtype <> \'tag\'
GROUP BY tg.id, tg.rawname, tg.name, tg.flag, tg.tagtype
ORDER BY count DESC, tg.name ASC', null, 0, $nr_of_tags) ) {
$tagsincloud = array();
}
$totaltags = count($tagcloud);
$currenttag = 0;
$size = 20;
$lasttagct = -1;
$tagkeys = array_keys($tagsincloud);
$firsttagkey = $tagkeys[0];
$maxcount = $tagsincloud[$firsttagkey]->count;
$etags = array();
foreach ($tagcloud as $tag) {
$currenttag++;
if ($currenttag == 1) {
$lasttagct = $tag->count;
$size = 20;
} else if ($tag->count != $lasttagct) {
$lasttagct = $tag->count;
$size = 20 - ( (int)((($currenttag - 1) / $totaltags) * 20) );
}
foreach ($tagsincloud as $tag) {
$size = (int) (( $tag->count / $maxcount) * 20);
$tag->class = "$tag->tagtype s$size";
$etags[] = $tag;
}
usort($etags, "tag_cloud_sort");
usort($etags, "tag_cloud_sort");
$output = '';
$output .= "\n<ul class='tag_cloud inline-list'>\n";
foreach ($etags as $tag) {
if ($tag->flag > 0 && $can_manage_tags) {
$tagname = '<span class="flagged-tag">'. tag_display_name($tag) .'</span>';
} else {
$tagname = '<span class="flagged-tag">'. tag_display_name($tag) .'</span>';
} else {
$tagname = tag_display_name($tag);
}