3 * Laconica, the distributed open-source microblogging tool
5 * Base class for sections showing tag clouds
9 * LICENCE: This program is free software: you can redistribute it and/or modify
10 * it under the terms of the GNU Affero General Public License as published by
11 * the Free Software Foundation, either version 3 of the License, or
12 * (at your option) any later version.
14 * This program is distributed in the hope that it will be useful,
15 * but WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 * GNU Affero General Public License for more details.
19 * You should have received a copy of the GNU Affero General Public License
20 * along with this program. If not, see <http://www.gnu.org/licenses/>.
24 * @author Evan Prodromou <evan@controlyourself.ca>
25 * @copyright 2009 Control Yourself, Inc.
26 * @license http://www.fsf.org/licensing/licenses/agpl-3.0.html GNU Affero General Public License version 3.0
27 * @link http://laconi.ca/
30 if (!defined('LACONICA')) {
34 define('TAGS_PER_SECTION', 20);
37 * Base class for sections
39 * These are the widgets that show interesting data about a person
44 * @author Evan Prodromou <evan@controlyourself.ca>
45 * @license http://www.fsf.org/licensing/licenses/agpl-3.0.html GNU Affero General Public License version 3.0
46 * @link http://laconi.ca/
49 class TagCloudSection extends Section
51 function showContent()
53 $tags = $this->getAllTags();
56 $this->out->element('p', null, _('None'));
63 $this->out->element('p', null, _('(None)'));
69 $this->out->elementStart('ul', 'tags xoxo tag-cloud');
70 foreach ($tags as $tag => $weight) {
71 $this->showTag($tag, $weight, ($sum == 0) ? 0 : $weight/$sum);
73 $this->out->elementEnd('ul');
75 return ($cnt > TAGS_PER_SECTION);
78 function getTags($lst, $usr)
80 $profile_tag = new Profile_tag;
81 $profile_tag->selectAdd();
82 $profile_tag->selectAdd('tag');
83 $profile_tag->selectAdd('count(tag) as weight');
84 $profile_tag->groupBy('tag');
85 $profile_tag->orderBy('weight DESC');
86 $cnt = $profile_tag->find();
89 SELECT tag, count(tag) as weight from profile_tag, (SELECT subscriber, subscribed from subscription where subscriber=$usr and subscribed != subscriber) as t where tagger=subscriber and tagged=subscribed group by tag order by weight dest");
92 while ($profile_tag->fetch()) {
93 // var_dump($profile_tag);
94 $tags[$profile_tag->tag] = $profile_tag->weight;
105 function getAllTags() {
109 function showTag($tag, $weight, $relative)
111 if ($relative > 0.1) {
112 $rel = 'tag-cloud-7';
113 } else if ($relative > 0.05) {
114 $rel = 'tag-cloud-6';
115 } else if ($relative > 0.02) {
116 $rel = 'tag-cloud-5';
117 } else if ($relative > 0.01) {
118 $rel = 'tag-cloud-4';
119 } else if ($relative > 0.005) {
120 $rel = 'tag-cloud-3';
121 } else if ($relative > 0.002) {
122 $rel = 'tag-cloud-2';
124 $rel = 'tag-cloud-1';
127 $this->out->elementStart('li', $rel);
128 $this->out->element('a', array('href' => $this->tagUrl($tag)),
130 $this->out->elementEnd('li');
133 function tagUrl($tag)
135 return common_local_url('tag', array('tag' => $tag));