mirror of
https://github.com/EGroupware/egroupware.git
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287 lines
9.4 KiB
PHP
287 lines
9.4 KiB
PHP
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<?php
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/**************************************************************************\
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* eGroupWare - Calendar - forms of the UserInterface *
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* http://www.egroupware.org *
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* Written and (c) 2004 by Ralf Becker <RalfBecker@outdoor-training.de> *
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* -------------------------------------------- *
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* This program is free software; you can redistribute it and/or modify it *
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* under the terms of the GNU General Public License as published by the *
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* Free Software Foundation; either version 2 of the License, or (at your *
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* option) any later version. *
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\**************************************************************************/
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/* $Id$ */
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include_once(PHPGW_INCLUDE_ROOT . '/calendar/inc/class.uical.inc.php');
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/**
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* calendar UserInterface forms
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*
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* @package calendar
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* @author RalfBecker@outdoor-training.de
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* @license GPL
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*/
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class uiforms extends uical
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{
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var $public_functions = array(
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'freetimesearch' => True,
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);
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/**
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* Constructor
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*/
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function uiforms()
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{
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$this->uical(); // call the parent's constructor
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}
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/**
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* Freetime search
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*
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* As the function is called in a popup via javascript, parametes get initialy transfered via the url
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* @param $content array/boolean array with parameters or false (default) to use the get-params
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* @param start[str] string start-date
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* @param start[hour] string start-hour
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* @param start[min] string start-minutes
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* @param end[str] string end-date
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* @param end[hour] string end-hour
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* @param end[min] string end-minutes
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* @param participants string ':' delimited string of user-id's
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*/
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function freetimesearch($content = false)
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{
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if (!is_array($content))
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{
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if ($this->debug) echo "<pre>".print_r($_GET,true)."</pre>";
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foreach(array('start','end') as $name)
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{
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$arr = $this->jscal->input2date($_GET[$name]['str'],false);
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$arr += $_GET[$name];
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$content[$name] = $this->bo->date2ts($arr);
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}
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$duration = $content['end'] - $content['start'];
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if ($duration <= 12*HOUR_s)
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{
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$content['duration_h'] = (int) ($duration / HOUR_s);
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$content['duration_min'] = ($duration/60) % 60;
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$content['end'] = 0;
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}
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else
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{
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$content['duration_h'] = $content['duration_min'] = 0;
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}
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foreach(explode(':',$_GET['participants']) as $uid)
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{
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if ((int) $uid) $content['participants'][] = (int) $uid;
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}
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// default search parameters
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$content['start_time'] = $this->cal_prefs['workdaystarts'];
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$content['end_time'] = $this->cal_prefs['workdayends'];
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if ($this->cal_prefs['workdayends']*HOUR_s < $this->cal_prefs['workdaystarts']*HOUR_s+$duration)
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{
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$content['end_time'] = 0; // no end-time limit, as duration would never fit
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}
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$content['weekdays'] = MCAL_M_WEEKDAYS;
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$content['search_window'] = 7 * DAY_s;
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}
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else
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{
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$duration = $content['end'] ? $content['end']-$content['start'] : 60*(60*$content['duration_h']+$content['duration_min']);
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if (is_array($content['freetime']['select']))
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{
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list($selected) = each($content['freetime']['select']);
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echo "$selected = ".date('D d.m.Y H:i',$content['freetime'][$selected]['start']);
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$start = (int) $content['freetime'][$selected]['start'];
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$end = $start + $duration;
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$fields_to_set = array(
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'start[str]' => date($this->common_prefs['dateformat'],$start),
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'start[min]' => date('i',$start),
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'end[str]' => date($this->common_prefs['dateformat'],$end),
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'end[min]' => date('i',$end),
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);
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if ($this->common_prefs['timeformat'] == 12)
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{
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$fields_to_set += array(
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'start[hour]' => date('h',$start),
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'start[ampm]' => date('a',$start),
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'end[hour]' => date('h',$end),
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'end[ampm]' => date('a',$end),
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);
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}
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else
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{
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$fields_to_set += array(
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'start[hour]' => date('H',$start),
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'end[hour]' => date('H',$end),
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);
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}
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echo "<html>
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<script>
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var fields = Array('".implode("','",array_keys($fields_to_set))."');
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var values = Array('".implode("','",$fields_to_set)."');
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for (i=0; i < fields.length; ++i) {
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elements = opener.document.getElementsByName(fields[i]);
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if (elements) {
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if (elements.length == 1)
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elements[0].value = values[i];
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else
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for (n=0; n < elements.length; ++n) {
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if (elements[n].value == values[i]) elements[n].checked = true;
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}
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}
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}
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window.close();
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</script>
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</html>\n";
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exit;
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}
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}
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$content['freetime'] = $this->freetime($content['participants'],$content['start'],$content['start']+$content['search_window'],$duration);
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$content['freetime'] = $this->split_freetime_daywise($content['freetime'],$duration,$content['weekdays'],$content['start_time'],$content['end_time'],$sel_options);
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$sel_options['search_window'] = array(
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7*DAY_s => lang('one week'),
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14*DAY_s => lang('two weeks'),
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31*DAY_s => lang('one month'),
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92*DAY_s => lang('three month'),
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365*DAY_s => lang('one year'),
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);
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$etpl = CreateObject('etemplate.etemplate','calendar.freetimesearch');
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//echo "<pre>".print_r($content,true)."</pre>\n";
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$GLOBALS['phpgw_info']['flags']['app_header'] = lang('calendar') . ' - ' . lang('freetime search');
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$etpl->exec('calendar.uiforms.freetimesearch',$content,$sel_options,'',array(
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'participants' => $content['participants'],
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),2);
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}
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/**
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* calculate the freetime of given $participants in a certain time-span
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*
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* @param $start int start-time timestamp in user-time
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* @param $end int end-time timestamp in user-time
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* @param $participants array of user-id's
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* @param $duration int min. duration in sec, default 1
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* @return array of free time-slots: array with start and end values
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*/
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function freetime($participants,$start,$end,$duration=1)
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{
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$busy = $this->bo->search(array(
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'start' => $start,
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'end' => $end,
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'users' => $participants,
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));
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$busy[] = array( // add end-of-search-date as event, to cope with empty search and get freetime til that date
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'start' => array('raw'=>$end),
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'end' => array('raw'=>$end),
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);
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$ft_start = $start;
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$freetime = array();
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$n = 0;
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foreach($busy as $event)
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{
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if ($this->debug)
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{
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echo "<p>ft_start=".date('D d.m.Y H:i',$ft_start)."<br>\n";
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echo "event[title]=$event[title]<br>\n";
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echo "event[start]=".date('D d.m.Y H:i',$event['start']['raw'])."<br>\n";
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echo "event[end]=".date('D d.m.Y H:i',$event['end']['raw'])."<br>\n";
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}
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// $events ends before our actual position ==> ignore it
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if ($event['end']['raw'] < $ft_start)
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{
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//echo "==> event ends before ft_start ==> continue<br>\n";
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continue;
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}
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// $events starts before our actual position ==> set start to it's end and go to next event
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if ($event['start']['raw'] < $ft_start)
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{
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//echo "==> event starts before ft_start ==> set ft_start to it's end & continue<br>\n";
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$ft_start = $event['end']['raw'];
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continue;
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}
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$ft_end = $event['start']['raw'];
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// only show slots equal or bigger to min_length
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if ($ft_end - $ft_start >= $duration)
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{
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$freetime[++$n] = array(
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'start' => $ft_start,
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'end' => $ft_end,
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);
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if ($this->debug) echo "<p>freetime: ".date('D d.m.Y H:i',$ft_start)." - ".date('D d.m.Y H:i',$ft_end)."</p>\n";
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}
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$ft_start = $event['end']['raw'];
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}
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return $freetime;
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}
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/**
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* split the freetime in daywise slot, taking into account weekdays, start- and stop-times
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*
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* @param $freetime array of free time-slots: array with start and end values
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* @param $duration int min. duration in sec
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* @param $weekdays int allowed weekdays, bitfield of MCAL_M_...
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* @param $start_time int minimum start-hour 0-23
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* @param $end_time int maximum end-hour 0-23, or 0 for none
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* @param $sel_options array on return options for start-time selectbox
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* @return array of free time-slots: array with start and end values
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*/
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function split_freetime_daywise($freetime,$duration,$weekdays,$start_time,$end_time,&$sel_options)
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{
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$freetime_daywise = $sel_options = array();
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$time_format = $this->common_prefs['timeformat'] == 12 ? 'h:i a' : 'H:i';
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$n = 0;
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foreach($freetime as $ft)
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{
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$daybegin = $this->bo->date2array($ft['start']);
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$daybegin['hour'] = $daybegin['minute'] = $daybegin['second'] = 0;
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unset($daybegin['raw']);
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$daybegin = $this->bo->date2ts($daybegin);
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for($t = $daybegin; $t < $ft['end']; $t += DAY_s,$daybegin += DAY_s)
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{
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$dow = date('w',$daybegin+DAY_s/2); // 0=Sun, .., 6=Sat
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$mcal_dow = pow(2,$dow);
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if (!($weekdays & $mcal_dow))
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{
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continue; // wrong day of week
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}
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$start = $t < $ft['start'] ? $ft['start'] : $t;
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if ($start-$daybegin < $start_time*HOUR_s) // start earlier then start_time
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{
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$start = $daybegin + $start_time*HOUR_s;
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}
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// if end_time given use it, else the original slot's end
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$end = $end_time ? $daybegin + $end_time*HOUR_s : $ft['end'];
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if ($end > $ft['end']) $end = $ft['end'];
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// slot to small for duration
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if ($end - $start < $duration)
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{
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continue;
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}
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$freetime_daywise[++$n] = array(
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'start' => $start,
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'end' => $end,
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);
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$times = array();
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for ($s = $start; $s+$duration <= $end; $s += 60*$this->cal_prefs['interval'])
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{
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$e = $s + $duration;
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$end_date = $e-$daybegin > DAY_s ? lang(date('l',$e)).' '.date($this->common_prefs['dateformat'],$e).' ' : '';
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$times[$s] = date($time_format,$s).' - '.$end_date.date($time_format,$e);
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}
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$sel_options[$n.'[start]'] = $times;
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}
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}
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return $freetime_daywise;
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}
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}
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