Merge pull request #109 from inthepoche/dev

merge dev into master

1 files changed, 202 insertions, 0 deletions

diff --git a/inc/3rdparty/paginator.php b/inc/3rdparty/paginator.php
new file mode 100644
index 00000000..306756c0
--- /dev/null
+++ b/inc/3rdparty/paginator.php
@@ -0,0 +1,202 @@
+<?php
+/*
+ * PHP Pagination Class
+ *
+ * @author David Carr - dave@daveismyname.com - http://www.daveismyname.com
+ * @version 1.0
+ * @date October 20, 2013
+ */
+class Paginator{
+
+        /**
+     * set the number of items per page.
+     *
+     * @var numeric
+    */
+    private $_perPage;
+
+    /**
+     * set get parameter for fetching the page number
+     *
+     * @var string
+    */
+    private $_instance;
+
+    /**
+     * sets the page number.
+     *
+     * @var numeric
+    */
+    private $_page;
+
+    /**
+     * set the limit for the data source
+     *
+     * @var string
+    */
+    private $_limit;
+
+    /**
+     * set the total number of records/items.
+     *
+     * @var numeric
+    */
+    private $_totalRows = 0;
+
+
+
+    /**
+     *  __construct
+     *  
+     *  pass values when class is istantiated 
+     *  
+     * @param numeric  $_perPage  sets the number of iteems per page
+     * @param numeric  $_instance sets the instance for the GET parameter
+     */
+    public function __construct($perPage,$instance){
+        $this->_instance = $instance;        
+        $this->_perPage = $perPage;
+        $this->set_instance();        
+    }
+
+    /**
+     * get_start
+     *
+     * creates the starting point for limiting the dataset
+     * @return numeric
+    */
+    private function get_start(){
+        return ($this->_page * $this->_perPage) - $this->_perPage;
+    }
+
+    /**
+     * set_instance
+     * 
+     * sets the instance parameter, if numeric value is 0 then set to 1
+     *
+     * @var numeric
+    */
+    private function set_instance(){
+        $this->_page = (int) (!isset($_GET[$this->_instance]) ? 1 : $_GET[$this->_instance]); 
+        $this->_page = ($this->_page == 0 ? 1 : $this->_page);
+    }
+
+    /**
+     * set_total
+     *
+     * collect a numberic value and assigns it to the totalRows
+     *
+     * @var numeric
+    */
+    public function set_total($_totalRows){
+        $this->_totalRows = $_totalRows;
+    }
+
+    /**
+     * get_limit
+     *
+     * returns the limit for the data source, calling the get_start method and passing in the number of items perp page
+     * 
+     * @return string
+    */
+    public function get_limit(){
+        if (STORAGE == 'postgres') {
+            return "LIMIT ".$this->_perPage." OFFSET ".$this->get_start();
+        } else {
+            return "LIMIT ".$this->get_start().",".$this->_perPage;
+        }
+    }
+
+        /**
+         * page_links
+         *
+         * create the html links for navigating through the dataset
+         * 
+         * @var sting $path optionally set the path for the link
+         * @var sting $ext optionally pass in extra parameters to the GET
+         * @return string returns the html menu
+        */
+    public function page_links($path='?',$ext=null)
+    {
+        $adjacents = "2";
+        $prev = $this->_page - 1;
+        $next = $this->_page + 1;
+        $lastpage = ceil($this->_totalRows/$this->_perPage);
+        $lpm1 = $lastpage - 1;
+
+        $pagination = "";
+        if($lastpage > 1)
+        {   
+            $pagination .= "<div class='pagination'>";
+        if ($this->_page > 1)
+            $pagination.= "<a href='".$path."$this->_instance=$prev"."$ext'>« previous</a>";
+        else
+            $pagination.= "<span class='disabled'>« previous</span>";   
+
+        if ($lastpage < 7 + ($adjacents * 2))
+        {   
+        for ($counter = 1; $counter <= $lastpage; $counter++)
+        {
+        if ($counter == $this->_page)
+            $pagination.= "<span class='current'>$counter</span>";
+        else
+            $pagination.= "<a href='".$path."$this->_instance=$counter"."$ext'>$counter</a>";                   
+        }
+        }
+        elseif($lastpage > 5 + ($adjacents * 2))
+        {
+        if($this->_page < 1 + ($adjacents * 2))       
+        {
+        for ($counter = 1; $counter < 4 + ($adjacents * 2); $counter++)
+        {
+        if ($counter == $this->_page)
+            $pagination.= "<span class='current'>$counter</span>";
+        else
+            $pagination.= "<a href='".$path."$this->_instance=$counter"."$ext'>$counter</a>";                   
+        }
+            $pagination.= "...";
+            $pagination.= "<a href='".$path."$this->_instance=$lpm1"."$ext'>$lpm1</a>";
+            $pagination.= "<a href='".$path."$this->_instance=$lastpage"."$ext'>$lastpage</a>";       
+        }
+        elseif($lastpage - ($adjacents * 2) > $this->_page && $this->_page > ($adjacents * 2))
+        {
+            $pagination.= "<a href='".$path."$this->_instance=1"."$ext'>1</a>";
+            $pagination.= "<a href='".$path."$this->_instance=2"."$ext'>2</a>";
+            $pagination.= "...";
+        for ($counter = $this->_page - $adjacents; $counter <= $this->_page + $adjacents; $counter++)
+        {
+        if ($counter == $this->_page)
+            $pagination.= "<span class='current'>$counter</span>";
+        else
+            $pagination.= "<a href='".$path."$this->_instance=$counter"."$ext'>$counter</a>";                   
+        }
+            $pagination.= "..";
+            $pagination.= "<a href='".$path."$this->_instance=$lpm1"."$ext'>$lpm1</a>";
+            $pagination.= "<a href='".$path."$this->_instance=$lastpage"."$ext'>$lastpage</a>";       
+        }
+        else
+        {
+            $pagination.= "<a href='".$path."$this->_instance=1"."$ext'>1</a>";
+            $pagination.= "<a href='".$path."$this->_instance=2"."$ext'>2</a>";
+            $pagination.= "..";
+        for ($counter = $lastpage - (2 + ($adjacents * 2)); $counter <= $lastpage; $counter++)
+        {
+        if ($counter == $this->_page)
+            $pagination.= "<span class='current'>$counter</span>";
+        else
+            $pagination.= "<a href='".$path."$this->_instance=$counter"."$ext'>$counter</a>";                   
+        }
+        }
+        }
+
+        if ($this->_page < $counter - 1)
+            $pagination.= "<a href='".$path."$this->_instance=$next"."$ext'>next »</a>";
+        else
+            $pagination.= "<span class='disabled'>next »</span>";
+            $pagination.= "</div>\n";       
+        }
+
+
+    return $pagination;
+    }
+}