egroupware_official/phpgwapi/inc/class.jscalendar.inc.php

<?php
/**************************************************************************\
* phpGroupWare - API jsCalendar wrapper-class                              *
* http://www.phpgroupware.org                                              *
* Written by Ralf Becker <RalfBecker@outdoor-training.de>                  *
* --------------------------------------------                             *
*  This program is free software; you can redistribute it and/or modify it *
*  under the terms of the GNU General Public License as published by the   *
*  Free Software Foundation; either version 2 of the License, or (at your  *
*  option) any later version.                                              *
\**************************************************************************/

/* $Id$ */

/*!
@class jscalendar
@author ralfbecker
@abstract wrapper for the jsCalendar
@discussion the constructor load the necessary javascript-files
*/
class jscalendar
{
	/*!
	@function jscalendar
	@syntax jscalendar( $do_header=True )
	@author ralfbecker
	@abstract constructor of the class
	@param $do_header if true, necessary javascript and css gets loaded, only needed for input
	*/
	function jscalendar($do_header=True)
	{
		$this->phpgwapi_js_url = $GLOBALS['phpgw_info']['server']['webserver_url'].'/phpgwapi/js';
		$this->dateformat = $GLOBALS['phpgw_info']['user']['preferences']['common']['dateformat'];

		if ($do_header && !strstr($GLOBALS['phpgw_info']['flags']['java_script'],'jscalendar'))
		{
			$GLOBALS['phpgw_info']['flags']['java_script'] .=
'<link rel="stylesheet" type="text/css" media="all" href="'.$this->phpgwapi_js_url.'/jscalendar/calendar-win2k-cold-1.css" title="win2k-cold-1" />
<script type="text/javascript" src="'.$this->phpgwapi_js_url.'/jscalendar/calendar.js"></script>
<script type="text/javascript" src="'.ereg_replace('[?&]*click_history=[0-9a-f]*','',$GLOBALS['phpgw']->link('/phpgwapi/inc/jscalendar-setup.php')).'"></script>
';
		}
	}

	/*!
	@function input
	@syntax input( $name,$date,$year=0,$month=0,$day=0 )
	@author ralfbecker
	@abstract creates an inputfield for the jscalendar (returns the necessary html and js)
	@param $name name and id of the input-field (it also names the id of the img $name.'-toggle')
	@param $date date as string or unix timestamp (in users localtime)
	@param $year,$month,$day if $date is not used
	@param $helpmsg a helpmessage for the statusline of the browser
	@param $options any other options to the inputfield
	*/
	function input($name,$date,$year=0,$month=0,$day=0,$helpmsg='',$options='')
	{
		//echo "<p>jscalendar::input(name='$name', date='$date'='".date('Y-m-d',$date)."', year='$year', month='$month', day='$day')</p>\n";

		if ($date && (is_int($date) || is_numeric($date)))
		{
			$year  = intval($GLOBALS['phpgw']->common->show_date($date,'Y'));
			$month = intval($GLOBALS['phpgw']->common->show_date($date,'n'));
			$day   = intval($GLOBALS['phpgw']->common->show_date($date,'d'));
		}
		if ($year && $month && $day)
		{
			$date = date($this->dateformat,$ts = mktime(12,0,0,$month,$day,$year));
			if (strpos($this->dateformat,'M') !== False)
			{
				$date = str_replace(date('M',$ts),substr(lang(date('F',$ts)),0,3),$date);
			}
		}
		if ($helpmsg !== '')
		{
			$options .= " onFocus=\"self.status='".addslashes($helpmsg)."'; return true;\"" .
				" onBlur=\"self.status=''; return true;\"";
		}
		return
'<input type="text" id="'.$name.'" name="'.$name.'" size="10" value="'.$date.'"'.$options.'/>
<script type="text/javascript">
	document.writeln(\'<img id="'.$name.'-trigger" src="'.$this->phpgwapi_js_url.'/jscalendar/img.gif" title="'.lang('Select date').'" style="cursor:pointer; cursor:hand;"/>\');
	Calendar.setup(
	{
		inputField  : "'.$name.'",
		button      : "'.$name.'-trigger"
	}
	);
</script>
';
	}

	/*!
	@function input2date
	@syntax input2date( $datestr,$raw='raw',$day='day',$month='month',$year='year' )
	@author ralfbecker
	@abstract converts the date-string back to an array with year, month, day and a timestamp
	@param $datestr content of the inputfield generated by jscalendar::input()
	@param $raw key of the timestamp-field in the returned array or False of no timestamp
	@param $day,$month,$year keys for the array, eg. to set mday instead of day
	*/
	function input2date($datestr,$raw='raw',$day='day',$month='month',$year='year')
	{
		//echo "<p>jscalendar::input2date('$datestr') ".print_r($fields,True)."</p>\n";
		if ($datestr === '')
		{
			return False;
		}
		$fields = split('[./-]',$datestr);
		foreach(split('[./-]',$this->dateformat) as $n => $field)
		{
			if ($field == 'M')
			{
				if (!is_numeric($fields[$n]))
				{
					for($i = 1; $i <= 12; $i++)
					{
						$long_name  = date('F',mktime(12,0,0,$i,1,2000));
						$short_name = date('M',mktime(12,0,0,$i,1,2000));
						$translated = lang($long_name);
						if ($fields[$n] == $long_name || $fields[$n] == $short_name ||
						    strstr($translated,$fields[$n]) == $translated)	// multibyte save
						{
							$fields[$n] = $i;
							break;
						}
					}
				}
				$field = 'm';
			}
			$date[$field] = intval($fields[$n]);
		}
		$ret = array(
			$year  => $date['Y'],
			$month => $date['m'],
			$day   => $date['d']
		);
		if ($raw)
		{
			$ret[$raw] = mktime(12,0,0,$date['m'],$date['d'],$date['Y']);
		}
		//echo "<p>jscalendar::input2date('$datestr','$raw',$day','$month','$year') = "; print_r($ret); echo "</p>\n";

		return $ret;
	}
}