<?php

/* Class for general page generation */

class page

{

  private $base_title = 'SlatePermutate';

  private $doctype = 'html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd"';

  private $htmlargs = 'xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" lang="en"';

  private $bodyargs = '';

  public $lastJobTable = '';

  private $pageGenTime = 0;

  /* whether or not to output valid XHTML */

  private $xhtml = FALSE;

  // Scripts and styles

  private $headCode = array();

  /* the inclusion of ga.js is augmented in __construct(). */

  private $trackingcode = '

			  <script type="text/javascript">

				var nathangPageTracker = _gat._getTracker("UA-17441156-1");

				nathangPageTracker._trackPageview();

				var ethanzPageTracker = _gat._getTracker("UA-2800455-1");

				ethanzPageTracker._trackPageview();

    $this->headCode['jValidate'] = '<script type="text/javascript" src="http://ajax.microsoft.com/ajax/jquery.validate/1.7/jquery.validate.pack.js"></script>';

    $this->headCode['schedInput'] = '<script type="text/javascript" src="scripts/scheduleInput.js"></script>';

    $this->headCode['outputPrintStyle'] = '<link rel="stylesheet" href="styles/print.css" type="text/css" media="screen" charset="utf-8" />';

    $this->headCode['outputStyle'] = '<link rel="stylesheet" href="styles/output.css" type="text/css" media="screen" charset="utf-8" />'; 

    $this->headCode['gliderHeadcode'] = '<link rel="stylesheet" href="styles/glider.css" type="text/css" media="screen" charset="utf-8" />'; 

   $this->headCode['uiTabsKeyboard'] = '<script type="text/javascript" src="scripts/uiTabsKeyboard.js"></script>'; 

   $this->pagetitle = $ntitle;

   $this->scripts = $nscripts;

   /* compliant browsers which care, such as gecko, explicitly request xhtml: */

   if(!empty($_SERVER['HTTP_ACCEPT'])

      && strpos($_SERVER['HTTP_ACCEPT'], 'application/xhtml+xml') !== FALSE

      || !strlen($_SERVER['HTTP_ACCEPT']) /* then the browser doesn't care :-) */)

     {

       $this->xhtml = TRUE;

       header('Content-type: application/xhtml+xml');

     }

   $ga_www = 'http://www.';

   if ($_SERVER['SERVER_PORT'] != 80)

     $ga_www = 'https://ssl.';

   $this->trackingcode = '<script type="text/javascript" src="' . $ga_www . 'google-analytics.com/ga.js" />' . "\n"

     . $this->trackingcode;

    if($immediate

       && $ntitle != "NOHEAD")

      $this->head();

    /* everything that needs sessions started to work: */

    $this->school = school_load_guess();

 }

  /**

   * \brief

   *   Adds some headcode to this page.

   *

   * \param $key

   *   The key to register this headcode under.

   * \param $code

   *   The actual code, such as a <script/>.

   * \param $enable

   *   Whether or not to enable this code while adding it.

   */

  public function headcode_add($key, $code, $enable = FALSE)

  {

    $this->headCode[$key] = $code;

    if ($enable)

    $this->pageGenTime = round(microtime(), 3);

    echo '  <div id="footer">

          <h5>&copy; '. date('Y').' <a href="http://protofusion.org/~nathang/">Nathan Gelderloos</a><br />

            <a href="http://ethanzonca.com">Ethan Zonca</a>

          </h5>

        </div> <!-- id="footer" -->

      </div>';

    echo $this->trackingcode;

    echo '</body></html>';

  }

  public function secondsToCompound($seconds) {

      $ret = "";

      $hours = intval(intval($seconds) / 3600);

      $ret .= "$hours:";

      $minutes = bcmod((intval($seconds) / 60),60);

      $ret .= "$minutes:";

      $seconds = bcmod(intval($seconds),60);

      $ret .= "$seconds";

      return $ret;

  }

  public function showSavedScheds($session)

  {

    echo '<p>';

    if (isset($session['saved']) && count($session['saved']) > 0)

      {

	echo '<div id="savedBox" ><h3>Saved Schedules:</h3>';

	foreach($session['saved'] as $key => $name)

	  {

	      . htmlentities($name)

	      . ' <a href="input.php?s=' . $key . '">edit</a>'

	      . ' <a href="process.php?del=' . $key . '">delete</a>'

	      . "<br /><br />\n";

	  }

	echo '</div>';

      }

    echo '</p>';

  }

  /**

   * \brief

   *   Display a list of schools the user might be from.

   * \param $linkto

   *   The to which a &school= or ?school= query string should be

   *   appended.

   */

  public function showSchools($linkto)

  {

    echo "<p>\n";

    echo "  <div id=\"schoolBox\">\n";

    echo school_list_html($this->school['id'], $linkto);

    echo "  </div> <!-- id=\"schoolBox\" -->\n";

    echo "</p>\n";

var sectionsOfClass = new Array();

';

  for ($class_key = 0; $class_key < $nclasses; $class_key ++)

    $my_hc .= 'sectionsOfClass[' . $class_key . '] = ' . $sch->class_get($class_key)->getnsections() . ";\n";

  $my_hc .= '// </script>';

  $inputPage->headcode_add('scheduleInput', $my_hc, TRUE);

}

else

  $inputPage->headcode_add('schduleInput', '<script type="text/javascript">

var classNum = 0;

/* holds number of sections for each class */

var sectionsOfClass = Array();

// </script>', TRUE);

$inputPage->head();

/*

 * Force a student to choose a school or declare he's a generic

 * student before displaying the input form. To do this, we need

 * another variable in $_SESSION: $_SESSION['school_chosen'].

 */

$school = $inputPage->get_school();

if ($school && (!empty($_REQUEST['school']) || $school['id'] != 'default'))

  $_SESSION['school_chosen'] = TRUE;

    || $school['id'] == 'default' && !isset($_SESSION['school_chosen']))

  {

?>

<h2>School Selection</h2>

<p>

  Choose the school you attend from the list below. <b>If you cannot

  find your school</b>, you may proceed using

  the <a href="input.php?school=default">generic

  settings</a>.

</p>

<?php

    $inputPage->showSchools('input.php');

    $inputPage->foot();

    exit;

  }

$inputPage->showSavedScheds($_SESSION);

?>

<p>

  Welcome to SlatePermutate<?php $inputPage->addressStudent(', ', '',

  FALSE); ?>! To get started, enter in some of your

  classes, and add available sections for each class.

</p>

<form method="post" action="process.php" id="scheduleForm">

		for($i=0; $i<=4; $i++)

			if(isset($array[$i]))

				$outString = $days[$i];

	}

	return $outString;

}

function prettyTime($time){

	return substr($time,0,strlen($time)-2) . ":" . substr($time,strlen($time)-2, strlen($time));

}

/*

 * The below code relies on sessions being started already.

 */

page::session_start();

$DEBUG = FALSE;

if (isset($_GET['debug']))

  $DEBUG = $_GET['debug'];

$schedule_store = schedule_store_init();

if(!$DEBUG)

  {

      {

	if ($savedSched)

	  $savedSched->writeoutTables();

	else

      }

    elseif(isset($_GET['del']))

      {

	/* Allow the user to delete schedules that he has stored in his session */

	if ($_SESSION['saved'][(int)$_GET['del']])

	  {

	    /* user owns this schedule ID */

	    schedule_store_delete($schedule_store, (int)$_GET['del']);

	    unset($_SESSION['saved'][(int)$_GET['del']]);

	  }

	header('Location: input.php');

	exit;

      }

    else

      {

		$allClasses = new Schedule($_POST['postData']['name']);

		foreach($_POST['postData'] as $class)

		{

		  /*

		   * Only add classes if the user added at least one

		   * section to the class. We know that $class['name']

		   * is not a section, so count() needs to be > 1 and

		   * we need to skip over 'name' in our loop.

		   */

			if(is_array($class) && count($class) > 1)

			{

				$allClasses->addClass($class['name']);

				foreach($class as $section)

				  /* Skip the section name, which isn't a section */

					if(is_array($section))

					{

				             $allClasses->addSection($class['name'], $section['letter'], $section['start'], $section['end'], arrayToDays($section['days']));

					}

			}

		}

		$allClasses->findPossibilities();

		if (!isset($_SESSION['saved']))

		  $_SESSION['saved'] = array();

		$schedule_id = schedule_store_store($schedule_store, $allClasses);

		if ($schedule_id != NULL)

		  $_SESSION['saved'][$schedule_id] = $allClasses->getName();

		/*

		 * writeoutTables() needs to know $schedule_id, so it

		 * has to be called after we save the schedule. See

		 * schedule_store_store().

		 */

		$allClasses->writeoutTables();

      }

  }

else

  {

	echo '<pre>DEBUG OUTPUT: <br /><br />';

	foreach($_POST['postData'] as $class) {

		echo 'Class: ' . $class['name'] . '<br />';

		foreach($class as $section)

			if(is_array($section))

			{

				echo '---- Section that starts at ' . prettyTime($section['start']) . ' and ends at ' . prettyTime($section['end']) . '. This class meets on ';

				echo arrayToDays($section['days'],'long',true) . '.<br />';

			}

		echo '<br />';

	}

	echo '</pre>';