eliseuamaro/gnu-social
1
0
Fork 0
forked from GNUsocial/gnu-social
Code Issues Pull Requests Releases Wiki Activity

A base class for tag cloud sections

Browse Source
This commit is contained in:
Evan Prodromou 2009-01-22 20:45:53 +00:00
parent 248fd763bd
commit 183ad682af
1 changed files with 113 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

113
lib/tagcloudsection.php Normal file
View File

@ -0,0 +1,113 @@
<?php
/**
* Laconica, the distributed open-source microblogging tool
*
* Base class for sections showing tag clouds
*
* PHP version 5
*
* LICENCE: This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
* @category Widget
* @package Laconica
* @author Evan Prodromou <evan@controlyourself.ca>
* @copyright 2009 Control Yourself, Inc.
* @license http://www.fsf.org/licensing/licenses/agpl-3.0.html GNU Affero General Public License version 3.0
* @link http://laconi.ca/
*/
if (!defined('LACONICA')) {
exit(1);
}
define('TAGS_PER_SECTION', 20);
/**
* Base class for sections
*
* These are the widgets that show interesting data about a person
* group, or site.
*
* @category Widget
* @package Laconica
* @author Evan Prodromou <evan@controlyourself.ca>
* @license http://www.fsf.org/licensing/licenses/agpl-3.0.html GNU Affero General Public License version 3.0
* @link http://laconi.ca/
*/
class TagCloudSection extends Section
{
function showContent()
{
$tags = $this->getTags();
if (!$tags) {
return false;
}
$cnt = 0;
$tw = array();
$sum = 0;
while ($tags->fetch() && ++$cnt <= TAGS_PER_SECTION) {
$tw[$tags->tag] = $tags->weight;
$sum += $tags->weight;
}
ksort($tw);
$this->out->elementStart('ul', 'tags xoxo tag-cloud');
foreach ($tw as $tag => $weight) {
$this->showTag($tag, $weight, $weight/$sum);
}
$this->out->elementEnd('ul');
return ($cnt > TAGS_PER_SECTION);
}
function getTags()
{
return null;
}
function showTag($tag, $weight, $relative)
{
if ($relative > 0.1) {
$rel = 'tag-cloud-7';
} else if ($relative > 0.05) {
$rel = 'tag-cloud-6';
} else if ($relative > 0.02) {
$rel = 'tag-cloud-5';
} else if ($relative > 0.01) {
$rel = 'tag-cloud-4';
} else if ($relative > 0.005) {
$rel = 'tag-cloud-3';
} else if ($relative > 0.002) {
$rel = 'tag-cloud-2';
} else {
$rel = 'tag-cloud-1';
}
$this->out->elementStart('li', $rel);
$this->out->element('a', array('href' => $this->tagUrl($tag)),
$tag);
$this->out->elementEnd('li');
}
function tagUrl($tag)
{
return common_local_url('tag', array('tag' => $tag));
}
}