Initial Kohana install

[speedfreak] / Server / system / libraries / Tagcloud.php

diff --git a/Server/system/libraries/Tagcloud.php b/Server/system/libraries/Tagcloud.php
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+++ b/Server/system/libraries/Tagcloud.php
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+<?php defined('SYSPATH') OR die('No direct access allowed.');
+/**
+ * [Tag cloud][ref-tcl] creation library.
+ *
+ * [ref-tcl]: http://en.wikipedia.org/wiki/Tag_cloud
+ *
+ * $Id: Tagcloud.php 3824 2008-12-20 17:13:06Z samsoir $
+ *
+ * @package    Tagcloud
+ * @author     Kohana Team
+ * @copyright  (c) 2008 Kohana Team
+ * @license    http://kohanaphp.com/license.html
+ */
+class Tagcloud_Core {
+
+       /**
+        * Creates a new Tagcloud instance and returns it.
+        *
+        * @chainable
+        * @param   array    elements of the tagcloud
+        * @param   integer  minimum font size
+        * @param   integer  maximum font size
+        * @return  Tagcloud
+        */
+       public static function factory(array $elements, $min_size = NULL, $max_size = NULL, $shuffle = FALSE)
+       {
+               return new Tagcloud($elements, $min_size, $max_size, $shuffle);
+       }
+
+       public $min_size   = 80;
+       public $max_size   = 140;
+       public $attributes = array('class' => 'tag');
+       public $shuffle    = FALSE;
+
+       // Tag elements, biggest and smallest values
+       protected $elements;
+       protected $biggest;
+       protected $smallest;
+
+       /**
+        * Construct a new tagcloud. The elements must be passed in as an array,
+        * with each entry in the array having a "title" ,"link", and "count" key.
+        * Font sizes will be applied via the "style" attribute as a percentage.
+        *
+        * @param   array    elements of the tagcloud
+        * @param   integer  minimum font size
+        * @param   integer  maximum font size
+        * @return  void
+        */
+       public function __construct(array $elements, $min_size = NULL, $max_size = NULL, $shuffle = FALSE)
+       {
+               $this->elements = $elements;
+               
+               if($shuffle !== FALSE)
+               {
+                       $this->shuffle = TRUE;
+               }
+
+               $counts = array();
+               foreach ($elements as $data)
+               {
+                       $counts[] = $data['count'];
+               }
+
+               // Find the biggest and smallest values of the elements
+               $this->biggest  = max($counts);
+               $this->smallest = min($counts);
+
+               if ($min_size !== NULL)
+               {
+                       $this->min_size = $min_size;
+               }
+
+               if ($max_size !== NULL)
+               {
+                       $this->max_size = $max_size;
+               }
+       }
+
+       /**
+        * Magic __toString method. Returns all of the links as a single string.
+        *
+        * @return  string
+        */
+       public function __toString()
+       {
+               return implode("\n", $this->render());
+       }
+
+       /**
+        * Renders the elements of the tagcloud into an array of links.
+        *
+        * @return  array
+        */
+       public function render()
+       {
+               if ($this->shuffle === TRUE)
+               {
+                       shuffle($this->elements);
+               }
+
+               // Minimum values must be 1 to prevent divide by zero errors
+               $range = max($this->biggest  - $this->smallest, 1);
+               $scale = max($this->max_size - $this->min_size, 1);
+
+               // Import the attributes locally to prevent overwrites
+               $attr = $this->attributes;
+
+               $output = array();
+               foreach ($this->elements as $data)
+               {
+                       if (strpos($data['title'], ' ') !== FALSE)
+                       {
+                               // Replace spaces with non-breaking spaces to prevent line wrapping
+                               // in the middle of a link
+                               $data['title'] = str_replace(' ', '&nbsp;', $data['title']);
+                       }
+
+                       // Determine the size based on the min/max scale and the smallest/biggest range
+                       $size = ((($data['count'] - $this->smallest) * $scale) / $range) + $this->min_size;
+
+                       $attr['style'] = 'font-size: '.round($size, 0).'%';
+
+                       $output[] = html::anchor($data['link'], $data['title'], $attr)."\n";
+               }
+
+               return $output;
+       }
+
+} // End Tagcloud
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