Wiki source code of TagCloud

Last modified by Hal Eden on 2010/08/20 11:06

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 1: #set($query = "select elements(prop.list) from BaseObject as obj, DBStringListProperty as prop where obj.className='XWiki.TagClass' and obj.id=prop.id.id and prop.id.name='tags'")
 2: 
 3: #set( $allTags = $xwiki.sort($xwiki.search($query)))
 4: #set( $previousTag = "")
 5: #set( $tagsWithCount = $xwiki.getHashMap())
 6: #set( $count = 1)
 7: #set( $maxCount = 1)
 8: #foreach($tag in $allTags)
 9:   #if ($tag == $previousTag)
10:     #set( $count = $count + 1)
11:     #if ($count > $maxCount)
12:       #set ($maxCount = $count)
13:     #end
14:   #else
15:     #set( $count = 1)
16:     #set( $previousTag = "")
17:   #end
18:   #set( $dummy = $tagsWithCount.put($tag, $count))
19:   #set( $previousTag = $tag)
20: #end
21: 
22: #set($query = "select distinct elements(prop.list) from BaseObject as obj, DBStringListProperty as prop where obj.className='XWiki.TagClass' and obj.id=prop.id.id and prop.id.name='tags'")
23: 
24: #set( $tagsDistinct = $xwiki.sort($xwiki.search($query)))
25: <div style="font-size: 2.00em; text-align: justify; text-justify: auto;">
26: #foreach($tag in $tagsDistinct)
27:   #set( $currentCount = $tagsWithCount.get($tag))
28:   #set( $size = 50 + ($currentCount * 50 / $maxCount))
29:   <span style="font-size: $size%"><a href="$xwiki.getURL("Main.Tags", "view", "tag=$tag")")>$tag</a></span>
30: #end
31: </div>

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