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