Initial Import

1 files changed, 207 insertions, 0 deletions

diff --git a/system/libraries/Pagination.php b/system/libraries/Pagination.php
new file mode 100644
index 000000000..0bbb577a3
--- /dev/null
+++ b/system/libraries/Pagination.php
@@ -0,0 +1,207 @@
+<?php  if (!defined('BASEPATH')) exit('No direct script access allowed');
+/**
+ * Code Igniter
+ *
+ * An open source application development framework for PHP 4.3.2 or newer
+ *
+ * @package		CodeIgniter
+ * @author		Rick Ellis
+ * @copyright	Copyright (c) 2006, pMachine, Inc.
+ * @license		http://www.codeignitor.com/user_guide/license.html 
+ * @link		http://www.codeigniter.com
+ * @since		Version 1.0
+ * @filesource
+ */
+ 
+// ------------------------------------------------------------------------
+
+/**
+ * Pagination Class
+ *
+ * @package		CodeIgniter
+ * @subpackage	Libraries
+ * @category	Pagination
+ * @author		Rick Ellis
+ * @link		http://www.codeigniter.com/user_guide/libraries/pagination.html
+ */
+class CI_Pagination {
+
+	var $base_url			= ''; // The page we are linking to
+	var $total_rows  		= ''; // Total number of items (database results)
+	var $per_page     		= 10; // Max number of items you want shown per page
+	var $num_links    		=  2; // Number of "digit" links to show before/after the currently viewed page
+	var $cur_page     		=  0; // The current page being viewed
+	var $first_link   		= '&lsaquo; First';
+	var $next_link			= '&gt;';
+	var $prev_link			= '&lt;';
+	var $last_link    		= 'Last &rsaquo;';
+	var $uri_segment		= 3;
+	var $full_tag_open		= '';
+	var $full_tag_close		= '';
+	var $first_tag_open		= '';
+	var $first_tag_close	= '&nbsp;';
+	var $last_tag_open		= '&nbsp;';
+	var $last_tag_close		= '';
+	var $cur_tag_open		= '&nbsp;<b>';
+	var $cur_tag_close		= '</b>';
+	var $next_tag_open		= '&nbsp;';
+	var $next_tag_close		= '&nbsp;';
+	var $prev_tag_open		= '&nbsp;';
+	var $prev_tag_close		= '';
+	var $num_tag_open		= '&nbsp;';
+	var $num_tag_close		= '';
+
+	/**
+	 * Constructor
+	 *
+	 * @access	public
+	 * @param	array	initialization parameters
+	 */
+    function CI_Pagination($params = array())
+    {    
+		if (count($params) > 0)
+		{
+			$this->initialize($params);		
+		}
+		
+		log_message('debug', "Pagination Class Initialized");
+    }
+	
+	// --------------------------------------------------------------------
+	
+	/**
+	 * Initialize Preferences
+	 *
+	 * @access	public
+	 * @param	array	initialization parameters
+	 * @return	void
+	 */
+    function initialize($params = array())
+    {    
+		if (count($params) > 0)
+		{
+			foreach ($params as $key => $val)
+			{
+				if (isset($this->$key))
+				{
+					$this->$key = $val;
+				}
+			}		
+		}
+    }
+	
+	// --------------------------------------------------------------------
+	
+	/**
+	 * Generate the pagination links
+	 *
+	 * @access	public
+	 * @return	string
+	 */	
+    function create_links()
+    {  
+		// If our item count or per-page total is zero there is no need to continue.
+        if ($this->total_rows == 0 OR $this->per_page == 0)
+        {
+           return '';
+    	}
+    	
+		// Calculate the total number of pages
+        $num_pages = intval($this->total_rows / $this->per_page);
+        
+		// Use modulus to see if our division has a remainder.If so, add one to our page number.
+        if ($this->total_rows % $this->per_page) 
+        {
+            $num_pages++;
+        }
+ 
+		// Is there only one page? Hm... nothing more to do here then. 
+        if ($num_pages == 1)
+        {
+            return '';
+        }
+        
+		// Determine the current page number.		
+		$obj =& get_instance();	
+		if ($obj->uri->segment($this->uri_segment) != 0)
+		{
+			$this->cur_page = $obj->uri->segment($this->uri_segment);
+		}
+		
+		if ( ! ctype_digit($this->cur_page))
+		{
+			$this->cur_page = 0;
+		}
+		
+		$uri_page_number = $this->cur_page;
+		$this->cur_page = floor(($this->cur_page/$this->per_page) + 1);
+   
+		// Calculate the start and end numbers. These determine
+		// which number to start and end the digit links with
+        $start = (($this->cur_page - $this->num_links) > 0) ? $this->cur_page - ($this->num_links - 1) : 1;
+        $end   = (($this->cur_page + $this->num_links) < $num_pages) ? $this->cur_page + $this->num_links : $num_pages;
+        
+		// Add a trailing slash to the base URL if needed
+		$this->base_url = preg_replace("/(.+?)\/*$/", "\\1/",  $this->base_url);
+		
+  		// And here we go...
+        $output = '';
+ 
+		// Render the "First" link
+        if  ($this->cur_page > $this->num_links)
+        {
+            $output .= $this->first_tag_open.'<a href="'.$this->base_url.'">'.$this->first_link.'</a>'.$this->first_tag_close;
+        }
+ 
+		// Render the "previous" link
+        if  (($this->cur_page - $this->num_links) >= 0)
+        {
+        	$i = $uri_page_number - $this->per_page;  
+        	if ($i == 0) $i = '';
+            $output .= $this->prev_tag_open.'<a href="'.$this->base_url.$i.'">'.$this->prev_link.'</a>'.$this->prev_tag_close;
+        }
+        
+		// Write the digit links
+        for ($loop = $start -1; $loop <= $end; $loop++) 
+        {
+			$i = ($loop * $this->per_page) - $this->per_page;
+					
+			if ($i >= 0)
+			{
+				if ($this->cur_page == $loop)
+				{
+					$output .= $this->cur_tag_open.$loop.$this->cur_tag_close; // Current page
+				}
+				else
+				{
+					$n = ($i == 0) ? '' : $i;
+					$output .= $this->num_tag_open.'<a href="'.$this->base_url.$n.'">'.$loop.'</a>'.$this->num_tag_close;
+				}
+			}
+        } 
+
+		// Render the "next" link
+        if ($this->cur_page < $num_pages)
+        {  
+            $output .= $this->next_tag_open.'<a href="'.$this->base_url.($this->cur_page * $this->per_page).'">'.$this->next_link.'</a>'.$this->next_tag_close;        
+        }
+
+		// Render the "Last" link
+        if (($this->cur_page + $this->num_links) < $num_pages)
+        {
+            $i = (($num_pages * $this->per_page) - $this->per_page);
+            $output .= $this->last_tag_open.'<a href="'.$this->base_url.$i.'">'.$this->last_link.'</a>'.$this->last_tag_close;
+        }
+    
+		// Kill double slashes.  Note: Sometimes we can end up with a double slash 
+		// in the penultimate link so we'll kill all double shashes.
+		$output = preg_replace("#([^:])//+#", "\\1/", $output);  
+
+		// Add the wrapper HTML if exists
+		$output = $this->full_tag_open.$output.$this->full_tag_close;
+		
+		return $output;		
+    }
+}
+// END Pagination Class
+?>
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