<?php
date_default_timezone_set('GMT/London');
/***********************************
 * PhpMyCoder Paginator            *
 * Created By PhpMyCoder           *
 * 2010 PhpMyCoder                 *
 * ------------------------------- *
 * You may use this code as long   *
 * as this notice stays intact and *
 * the proper credit is given to   *
 * the author.                     *
 ***********************************/

class pmcPagination {
    private $pageVar = "page";     //$_GET variable to get page # from
    private $items = array();      //Array of items to paginate
    private $resultsPerPage = 10;  //Results to be displayed per page
    private $paginated = false;    //Has the paginate() function been called?

    public function __construct($resultsPerPage="", $pageVar=0, $items=NULL)
    {
        //Set pageVar if arg is valid
        if($this->isValidPageVar($pageVar)) $this->pageVar = $pageVar;

        //Set resultsPerPage if arg is valid
        if($this->isValidResultsPerPage($resultsPerPage)) $this->resultsPerPage = $resultsPerPage;

        //Add items passed
        $this->add($items);
    }

    public function add($items)
    {
        //If the item is null, exit function
        if(is_null($items)) return;

        //If arg is not an array, make it one
        if(!is_array($items)) $items = array($items);

        //Cycle through items passed
        foreach($items as $item)
        {
            //Add them to the $items array if they are valid
            if($item instanceof paginationData) $this->items[] = $item;
        }
    }

    public function paginate($resultsPerPage="", $pageVar=0, $items=NULL)
    {
        //Prevent set function form changing values
        $this->paginated = true;

        //Set pageVar if arg is valid
        if($this->isvalidPageVar($pageVar)) $this->pageVar = $pageVar;
        //Set parVar to previous value
        else $pageVar = $this->pageVar;

        //Set resultsPerPage if arg is valid
        if($this->isValidResultsPerPage($resultsPerPage)) $this->resultsPerPage = $resultsPerPage;
        //Set resultsPerPage to previous value
        else $resultsPerPage = $this->resultsPerPage;

        //Add any extra items
        $this->add($items);

        //Get Page #, Staring Result #, and Ending Result #
        if(isset($_GET[$pageVar]) && $_GET[$pageVar] > 0) $page = $_GET[$pageVar];
        else $page = 1;
        $result = ($page - 1) * $resultsPerPage + 1;
        $max = $result + $resultsPerPage;
        if($max >= count($this->items)) $max = count($this->items);

        //Are there results?
        if($result<count($this->items))
        {
            //Cycle through results on current page
            for(;$result<$max;$result++)
            {
                //Show the result
                $this->items[$result]->display();
            }
        }
        //Display a "no results" message
        else echo "<strong>No Results found on this page.</strong>";
    }

    public function navigation()
    {
        //Get Pag #
        if(isset($_GET[$this->pageVar]) && $_GET[$this->pageVar] > 0) $page = $_GET[$this->pageVar];
        else $page = 1;

        //Start Nav
        echo '<div id="nav">'."\n";

        //Show the Previous Link
        if($page==1) echo "<span>&laquo; Previous</span> ";
        else echo "<a href='?".$this->pageVar."=".($page-1)."'>&laquo; Previous</a> ";

        //Show the Number Links
        for($p=1;$p<=ceil(count($this->items)/$this->resultsPerPage);$p++)
        {
            if($p==$page) echo "<strong>{$p}</strong> ";
            else echo "<a href='?".$this->pageVar."={$p}'>{$p}</a> ";
        }

        //Show the Next Link
        if($page==ceil(count($this->items)/$this->resultsPerPage)) echo "<span>Next &raquo;</span><br>";
        else echo "<a href='?".$this->pageVar."=".($page+1)."'>Next &raquo;</a><br>";

        //End Nav
        echo '</div>'."\n";
    }

    /* Get or set the pageVar field */
    public function getPageVar() { return($this->pageVar); }
    public function setPageVar($pageVar) { if(is_string($pageVar) && !$this->paginated) $this->pageVar = $pageVar; }

    /* Get or set the resultsPerPage field */
    public function getResultsPerPage() { return($this->resultsPerPage); }
    public function setResultsPerPage($resultsPerPage)
    {
        //If the arg is a valid #, set the new value
        if(is_int($resultsPerPage) && $resultsPerPage>0 && !$this->paginated) $this->resultsPerPage = $resultsPerPage;
    }

    private function isValidPageVar($pageVar)
    {
        //Return valid if arg is string and is not empty
        return(!empty($pageVar) && is_string($pageVar));
    }

    private function isValidResultsPerPage($resultsPerPage)
    {
        //Return valid if arg is a positive integer
        return(is_int($resultsPerPage) || $resultsPerPage>0);
    }
}

class paginationData {
    private $program;
    private $channel;
    private $airdate;
    private $exiration;
    private $episode;
    private $setReminder;

    public function __construct($program, $channel, $airdate, $expiration, $episode, $setReminder)
    {
        $this->program = $program;
        $this->channel = $channel;
      $this->airdate = strtotime($airdate);
        $this->expiration = $expiration;
        $this->episode = $episode;
        $this->setReminder = $setReminder;
    }

    //This function shows the data
    public function display()
    {
        if(date('Y-m-d') == date('Y-m-d', $this->airdate)) $dateFormat = 'g:ia';
        elseif(date('Y') == date('Y', $this->airdate)) $dateFormat = 'F jS - g:ia';
        else $dateFormat = 'F jS, Y - g:ia';

        echo '<tr>'."\n".
             '  <td><strong>'.$this->program.'</strong></td>'."\n".
             '  <td>showing on '.$this->channel.'</td>'."\n".
             '  <td>'.date($dateFormat, $this->airdate).'</td>'."\n".
             '  <td> '.$this->episode.'</td>'. "\n".
             '  <td>'.$this->setReminder.'</td>'."\n".
             '</tr>'."\n";
    }
}
?>