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

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scyrma
2008-09-24 08:04:01 +00:00
parent a31878015b
commit b78c2ceb0c
1 changed files with 11 additions and 21 deletions
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tag/locallib.php
+11 -21
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@@ -18,46 +18,36 @@
function tag_print_cloud($nr_of_tags=150, $return=false) {
global $CFG;
$can_manage_tags = has_capability('moodle/tag:manage', get_context_instance(CONTEXT_SYSTEM));
if ( !$tagcloud = get_records_sql('SELECT tg.rawname, tg.id, tg.name, tg.tagtype, COUNT(ti.id) AS count, tg.flag '.
if ( !$tagsincloud = get_records_sql('SELECT tg.rawname, tg.id, tg.name, tg.tagtype, COUNT(ti.id) AS count, tg.flag '.
'FROM '. $CFG->prefix .'tag_instance ti INNER JOIN '. $CFG->prefix .'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', 0, $nr_of_tags) ) {
$tagcloud = array();
$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);
}