<?php

/**
 * Project: 
 * Contenido Content Management System
 * 
 * Description: 
 * 
 * 
 * Requirements: 
 * @con_php_req 5.0
 * 
 *
 * @package    Contenido Backend classes
 * @version    1.0
 * @author     Unknown
 * @copyright  four for business AG <www.4fb.de>
 * @license    http://www.contenido.org/license/LIZENZ.txt
 * @link       http://www.4fb.de
 * @link       http://www.contenido.org
 * 
 * {@internal 
 *   created 
 *   
 *   $Id$: 
 * }}
 * 
 */
if (!defined('CON_FRAMEWORK')) {
    die('Illegal call');
}

class cCalendarControl extends cHTMLTable {

    var $_oDate;

    function __construct($initDate = false) {
        parent::__construct();

        $this->_initFormatting();
        $this->_oDate = new cDatatypeDateTime;

        /* Development: Set today's date */
        $this->_oDate->setSourceFormat(cDateTime_ISO);

        if ($initDate === false) {
            $this->_oDate->set(date("Y-m-d H:i:s"));
        } else {
            $this->_oDate->set($initDate);
        }
    }

    function _initFormatting() {
        $this->setClass("calendar");
        $this->setCellSpacing(0);
        $this->setCellPadding(0);
    }

    function _renderHead() {
        $oHead = new cHTMLTableHeader;

        $aDayOrder = $this->_oDate->getDayOrder();

        $oRow = new cHTMLTableRow;

        $aData = array();

        foreach ($aDayOrder as $iDay) {
            $oData = new cHTMLTableData;
            $oData->setContent(substr($this->_oDate->getDayName($iDay), 0, 2));

            $aData[] = $oData;
        }

        $oRow->setContent($aData);
        $oHead->setContent($oRow);

        return ($oHead);
    }

    function _renderBody() {
        $iRows = 6;
        $iDaysPerWeek = 7;

        $oHead = new cHTMLTableBody;

        $aRowData = array();

        for ($iRow = 0; $iRow < $iRows; $iRow++) {
            $oRow = new cHTMLTableRow;
            $aData = array();
            $aDayOrder = $this->_oDate->getDayOrder();

            foreach ($aDayOrder as $iDay) {
                $oData = new cHTMLTableData;
                $oData->setContent('&nbsp;');
                $oData->setStyle("border: 1px solid white");
                $oData->setId("cal_" . $this->getId() . "_" . $iRow . "_" . $iDay);
                $aData[] = $oData;
            }
            $oRow->setContent($aData);
            $aRowData[] = $oRow;
        }

        $oHead->setContent($aRowData);

        return ($oHead);
    }

    function _renderJS() {
        $this->_oDate->setSourceFormat(cDateTime_UNIX);

        $oScript = new cHTMLScript;
        $sScript = '

			var {cid}_markedDay;
			var {cid}_markedMonth;
			var {cid}_markedYear;
			var {cid}_currentYear;
			var {cid}_currentMonth;
			var {cid}_markedCell;
			var {cid}_callBack = function (year, month, day) {};

			{cid}_setDefaultDay(2006, 03, 30);

			{cid}_setCalendar(' . $this->_oDate->getYear() . ', ' . $this->_oDate->getMonth() . ', ' . $this->_oDate->getDay() . ');

			function {cid}_setDefaultDay (year, month, day)
			{
				
				{cid}_markedDay = parseInt(day, 10);
				{cid}_markedMonth = parseInt(month, 10);
				{cid}_markedYear = parseInt(year, 10);

				mDate = new Date(year, month - 1, 1);
				
				var bMarkedFound = false;
				var sMarkedID = "";

				var iRow = 0;
				var iFirstDayOfWeek = ' . $this->_oDate->getFirstDayOfWeek() . ';

				for (var i=1; i < 32; i++)
				{
					mDate.setDate(i);

					var dayOfWeek = mDate.getDay(); 
					var lid = "cal_' . $this->getId() . '_" + iRow + "_" + dayOfWeek;
	
					if (dayOfWeek == ' . $this->_oDate->getLeapDay() . ')
					{
						iRow++;
					}

					if (year == {cid}_markedYear && month == {cid}_markedMonth && mDate.getDate() == {cid}_markedDay)
					{
						sMarkedID = lid;
						break;
					}
					
				}

				{cid}_markedCell = sMarkedID;

			}


			function {cid}_setCalendar (year, month)
			{
				var tmpDate = new Date();
				var tmpMonth = parseInt(month, 10);
				var tmpYear = parseInt(year, 10);

				if (isNaN(tmpMonth))
				{
					month = tmpDate.getMonth();
				}

				if (isNaN(tmpYear))
				{
					year = tmpDate.getFullYear();
				}

				if (document.getElementById("{cid}_monthselect"))
				{
					document.getElementById("{cid}_monthselect").selectedIndex = month - 1;
				}

				if (document.getElementById("{cid}_yearbox"))
				{
					document.getElementById("{cid}_yearbox").value = year;
				}

				
				mDate = new Date(year, month - 1, 1);
				
				{cid}_currentYear = year;
				{cid}_currentMonth = month;

				var iRow = 0;
				var iFirstDayOfWeek = ' . $this->_oDate->getFirstDayOfWeek() . ';

				for (var i=0; i < 7; i++)
				{
					for (var j=0; j< 6; j++)
					{
						var lid = "cal_' . $this->getId() . '_" + j + "_" + i;
						document.getElementById(lid).firstChild.nodeValue = String.fromCharCode(160);
						document.getElementById(lid).className = "";
						{cid}_detachHandler(document.getElementById(lid));
					}
				}

				for (var i=1; i < {cid}_GetMonthLength(year, month) + 1; i++)
				{
					mDate.setDate(i);
	
					var dayOfWeek = mDate.getDay(); 
					var lid = "cal_' . $this->getId() . '_" + iRow + "_" + dayOfWeek;
	
					if (dayOfWeek == ' . $this->_oDate->getLeapDay() . ')
					{
						iRow++;
					}
					
					if (year == {cid}_markedYear && month == {cid}_markedMonth && {cid}_markedCell == lid)
					{
						document.getElementById(lid).className = "marked";
					} else {
						document.getElementById(lid).className = "";
					}

					document.getElementById(lid).firstChild.nodeValue = i;
					{cid}_attachHandler(document.getElementById(lid));

				}
			}

			function {cid}_attachHandler (object)
			{
				object.onmouseover = {cid}_mouseOver;
				object.onmouseout = {cid}_mouseOut;
				object.onclick = {cid}_click;

				object.style.cursor = \'pointer\';
			}

			function {cid}_detachHandler (object)
			{
				object.onmouseover = \'\';
				object.onmouseout = \'\';

				object.style.cursor = \'\';
			}

			function {cid}_mouseOver (event)
			{
				if (this.id == {cid}_markedCell && {cid}_currentYear == {cid}_markedYear && {cid}_currentMonth == {cid}_markedMonth)
				{
					this.className = "marked";
				} else {
					this.className = "over";
				}
			}

			function {cid}_click (event)
			{
				var year = {cid}_currentYear;
				var month = {cid}_currentMonth;				

				var mDate = new Date(year, month - 1, 1);

				var iRow = 0;
				var iFirstDayOfWeek = ' . $this->_oDate->getFirstDayOfWeek() . ';

				for (var i=1; i < {cid}_GetMonthLength(year, month) + 1; i++)
				{
					mDate.setDate(i);

					var dayOfWeek = mDate.getDay(); 
					var lid = "cal_' . $this->getId() . '_" + iRow + "_" + dayOfWeek;
	
					if (dayOfWeek == ' . $this->_oDate->getLeapDay() . ')
					{
						iRow++;
					}

					if (lid == this.id)
					{	
						{cid}_setDefaultDay(year, month, mDate.getDate());
						this.className = "marked";
						{cid}_callBack(year, month, mDate.getDate());
					} else {
						document.getElementById(lid).className ="";
					}
				}			
			}

			function {cid}_attachClickCallback (mfunction)
			{
				{cid}_callBack = mfunction;
			}

			function {cid}_isLeapYear(year) {
			    if ((year/4)   != Math.floor(year/4))   return false;
			    if ((year/100) != Math.floor(year/100)) return true;
			    if ((year/400) != Math.floor(year/400)) return false;
			    return true;
			}

			function {cid}_GetMonthLength(year, month)
			{
				var daysofmonth   = new Array( 31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31);
				var daysofmonthLY = new Array( 31, 29, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31);

				if ({cid}_isLeapYear(year))
				{
					return daysofmonthLY[month-1];
				} else {
					return daysofmonth[month-1];
				}
			
			}

			function {cid}_monthprev ()
			{
				{cid}_currentMonth = parseInt({cid}_currentMonth, 10) - 1;

				if ({cid}_currentMonth < 1)
				{
					{cid}_currentYear = parseInt({cid}_currentYear, 10) - 1;
					{cid}_currentMonth = 12;
				}

				{cid}_setCalendar({cid}_currentYear, {cid}_currentMonth);
			}

			function {cid}_monthnext ()
			{
				{cid}_currentMonth = parseInt({cid}_currentMonth, 10) + 1;

				if ({cid}_currentMonth > 12)
				{
					{cid}_currentYear = parseInt({cid}_currentYear, 10) + 1;
					{cid}_currentMonth = 1;
				}

				{cid}_setCalendar({cid}_currentYear, {cid}_currentMonth);
			}

			function {cid}_mouseOut (event)
			{
				if (this.id == {cid}_markedCell && {cid}_currentYear == {cid}_markedYear && {cid}_currentMonth == {cid}_markedMonth)
				{
					this.className = "marked";
				} else {
					this.className = "";
				}
			}


			function {cid}_getMonthName (iMonth)
			{
				switch (iMonth)
				{
					case 1: return("' . $this->_oDate->getMonthName(1) . '"); break;
					case 2: return("' . $this->_oDate->getMonthName(2) . '"); break;
					case 3: return("' . $this->_oDate->getMonthName(3) . '"); break;
					case 4: return("' . $this->_oDate->getMonthName(4) . '"); break;
					case 5: return("' . $this->_oDate->getMonthName(5) . '"); break;
					case 6: return("' . $this->_oDate->getMonthName(6) . '"); break;
					case 7: return("' . $this->_oDate->getMonthName(7) . '"); break;
					case 8: return("' . $this->_oDate->getMonthName(8) . '"); break;
					case 9: return("' . $this->_oDate->getMonthName(9) . '"); break;
					case 10: return("' . $this->_oDate->getMonthName(10) . '"); break;
					case 11: return("' . $this->_oDate->getMonthName(11) . '"); break;
					case 12: return("' . $this->_oDate->getMonthName(12) . '"); break;
				}
			}


		';

        $sScript = str_replace("{cid}", $this->getId(), $sScript);
        $oScript->setContent($sScript);


        return $oScript;
    }

    function _renderMonthDropdown() {
        $oMonthSelect = new cHTMLSelectElement($this->getId() . "_monthselect");
        $oMonthSelect->setId($this->getId() . "_monthselect");

        $aMonths = array();
        for ($i = 1; $i < 13; $i++) {
            $aMonths[$i] = $this->_oDate->getMonthName($i);
        }

        $oMonthSelect->autoFill($aMonths);
        $oMonthSelect->setEvent("change", $this->getId() . "_setCalendar(" . $this->getId() . "_currentYear, this.value);");

        return ($oMonthSelect);
    }

    function _renderMonthPrev() {
        $oMonthLeft = new cHTMLImage;
        $oMonthLeft->setSrc("images/month_prev.gif");
        $oMonthLeft->setStyle("border: 0px solid black; cursor: pointer;");
        $oMonthLeft->setEvent("click", $this->getId() . "_monthprev();");
        return $oMonthLeft;
    }

    function _renderMonthNext() {
        $oMonthLeft = new cHTMLImage;
        $oMonthLeft->setSrc("images/month_next.gif");
        $oMonthLeft->setStyle("border: 0px solid black; cursor: pointer;");
        $oMonthLeft->setEvent("click", $this->getId() . "_monthnext();");
        return $oMonthLeft;
    }

    function _renderYearControl() {
        $oYear = new cHTMLTextbox($this->getId() . "_yearbox", "", 4, 4);
        $oYear->setId($this->getId() . "_yearbox");
        $oYear->setEvent("change", $this->getId() . "_setCalendar(this.value, " . $this->getId() . "_currentMonth);");

        return $oYear;
    }

    function render() {
        $this->setContent(array($this->_renderHead(), $this->_renderBody(), $this->_renderJS()));

        $oSpan = new cHTMLSpan;
        $oSpan->setContent(array('<table cellspacing="0" cellpadding="0"><tr><td>', $this->_renderMonthPrev(), '</td><td>', $this->_renderMonthDropdown(), '</td><td>', $this->_renderYearControl(), '</td><td>', $this->_renderMonthNext(), '</td></tr></table>'));


        return '<table><tr><td align="middle">' . $oSpan->render() . '</td></tr><tr><td align="middle">' . parent::render() . '</td></tr></table>';
    }

}

?>