events/eventgui.class.php

   1 <?php
   2 /* $Id$ */
   3
   4 include_once 'config.inc.php';
   5 include_once 'dateformat.class.php';
   6 include_once 'caldavresource.class.php';
   7 require_once 'calendar.class.php';
   8 require_once 'helper.php';
   9
  10 class EventGUI {
  11
  12     private $event;
  13     private $referer;
  14     private $summary;
  15     private $location;
  16     private $description;
  17     private $start;
  18     private $end;
  19     private $timezone;
  20     private $dates;
  21     private $rrule;
  22     private $startdate;
  23     private $enddate;
  24     private $until;
  25     private $cal;
  26
  27     function __construct(VEvent $event = NULL, $referer = '', $cal = NULL) {
  28         $this->event = $event;
  29         $this->referer = urldecode($referer);
  30         $this->cal = $cal;
  31         //print $this->referer;
  32         //exit;
  33         $this->summary = '';
  34         $this->location = '';
  35         $this->description = '';
  36         $this->start = '';
  37         $this->end = '';
  38         $this->timezone = '';
  39         $this->localtime = ($_SESSION['user_settings']->getTimeZone() !== NULL) ?
  40             $_SESSION['user_settings']->getTimeZone() : TIMEZONE;
  41         $root = WEB_ROOT;
  42         $week_start_sunday = ($_SESSION['user_settings']->getStartWeek() !== NULL) ?
  43             $_SESSION['user_settings']->getStartWeek() : WEEK_START_SUNDAY;
  44         $week_start_sunday = ($week_start_sunday) ? 0 : 1;
  45         $this->startdate = <<< __CAL1
  46     <script type="text/javascript">
  47         A_TCALDEF['imgpath'] = '{$root}js/img/';
  48         A_TCALDEF['weekstart'] = $week_start_sunday;
  49         new tcal ({
  50         'formname': 'event_data',
  51         'controlname': 'startdate'
  52     });
  53     </script>
  54 __CAL1;
  55         $this->enddate = <<< __CAL1
  56     <script type="text/javascript">
  57         A_TCALDEF['imgpath'] = '{$root}js/img/';
  58         A_TCALDEF['weekstart'] = $week_start_sunday;
  59         new tcal ({
  60         'formname': 'event_data',
  61         'controlname': 'enddate'
  62     });
  63     </script>
  64 __CAL1;
  65         $this->until = <<< __CAL1
  66     <script type="text/javascript">
  67         A_TCALDEF['imgpath'] = '{$root}js/img/';
  68         A_TCALDEF['weekstart'] = $week_start_sunday;
  69         new tcal ({
  70         'formname': 'event_data',
  71         'controlname': 'untildate'
  72     });
  73     </script>
  74 __CAL1;
  75     }
  76
  77     private function parseEvent() {
  78         if (! $this->event)
  79             return FALSE;
  80         $comp = $this->event->getBaseComponent();
  81         $this->summary = $comp->GetPValue('SUMMARY');
  82         $this->location = $comp->GetPValue('LOCATION');
  83         $this->description = $comp->GetPValue('DESCRIPTION');
  84         $this->start = $comp->GetPValue('DTSTART');
  85         $this->end = $comp->GetPValue('DTEND');
  86         $this->timezone = $this->event->getTZID();
  87         $rrule = $this->event->getRRule();
  88         $this->dates = $rrule->getEventDates();
  89         $this->rrule = $rrule->getAll();
  90         //echo $this->start .':'. $this->end .'<br/>';
  91         return TRUE;
  92     }
  93
  94     private function createDT($elem, $name) {
  95         $res = array();
  96
  97         //print_r($elem);
  98         //echo '<br/>';
  99         if (count($elem) > 1) {
 100             $date = $elem[0];
 101             $time = substr($elem[1], 0, 4);
 102         }
 103         else {
 104             $date = $elem[0];
 105             $time = '2359';
 106         }
 107         for ($i = 0; $i < substr($time, 2); $i += 15);
 108         if ($i < 10)
 109             $i = "0$i";
 110         $time = substr($time, 0, 2) . $i;
 111         //echo "$time<br/>";
 112         $options = array();
 113         for ($i = 0; $i < 24; $i++) {
 114             $h = ($i < 10) ? "0$i" : $i;
 115             $stop = ($i == 23) ? 61 : 60;
 116             for ($j = 0; $j < $stop; $j += 15) {
 117                 $m = ($j < 10) ? "0$j" : $j;
 118                 if ($m == 60)
 119                     $m = 59;
 120                 $hm = "$h$m";
 121                 //echo "$hm<br/>";
 122                 $option = "<option value=\"$hm\"";
 123                 if ($hm == $time)
 124                     $option .= ' selected="selected"';
 125                 $option .= ">$hm</option>";
 126                 array_push($options, $option);
 127             }
 128         }
 129         $select = "<select name=\"$name\" id=\"$name\">";
 130         foreach ($options as $option)
 131             $select .= $option;
 132         $select .= '</select>';
 133         $date = substr($date, 0, 4).'-'.substr($date, 4, 2).'-'.substr($date, 6);
 134         //echo "$date<br/>";
 135         $res['date'] = $date;
 136         $res['time'] = $select;
 137         return $res;
 138     }
 139
 140     private function createTime() {
 141         include_once 'timezone.php';
 142
 143         if ($this->start == '' || $this->end == '') {
 144             $this->start = date("Ymd\THis");
 145             $this->end = date("Ymd\THis", strtotime("+1 hour"));
 146             $this->timezone = $_SESSION['user_settings']->getTimeZone();
 147         }
 148         //echo $this->start .':'. $this->end .'<br/>';
 149         $tz = '<select name="tzid">';
 150         foreach ($timezones as $timezone) {
 151             $tz .= "<option value=\"$timezone\"";
 152             if ($this->localtime == $timezone)
 153                 $tz .= ' selected="selected"';
 154             $tz .= ">$timezone</option>";
 155         }
 156         $tz .= "</select>";
 157         $dateFormat = new DateFormat();
 158         $UTCStart = $dateFormat->UTC2Client($this->start);
 159         $UTCEnd = $dateFormat->UTC2Client($this->end);
 160         //echo $UTCStart .':'. $UTCEnd .'<br/>';
 161         $startArray = explode('T', $UTCStart);
 162         //echo "Client: ".$dateFormat->client2UTC($dateFormat->UTC2Client($this->start))."<br/>";
 163         //echo "Local: ".$dateFormat->UTC2Local($this->start)."<br/>";
 164         $start = $this->createDT($startArray, 'starttime');
 165         $endArray = explode('T', $UTCEnd);
 166         $end = $this->createDT($endArray, 'endtime');
 167         $allDay = CaldavRessource::allDayEvent($UTCStart, $UTCEnd);
 168         $allDay = ($allDay) ? 'checked="checked"' : '';
 169         $datetime = "<table><caption style=\"font-weight: bold\">Date &amp; Time</caption>
 170         <tr>
 171             <td>All Day Event</td>
 172             <td>
 173             <script type=\"text/javascript\">
 174                 var observable1 = ['starttime', 'tcalico_1', 'enddate', 'endtime'];
 175                 document.write('<input type=\"checkbox\" name=\"allDay\" $allDay' +
 176                         'id=\"allDay\" onchange=\"stateSwitch(this, observable1, 0)\"/>');
 177             </script>
 178             </td>
 179             <td>&nbsp;</td>
 180         </tr>
 181         <tr>
 182             <td>Start</td>
 183             <td>
 184             <script type=\"text/javascript\">
 185                 document.write('<input type=\"text\" name=\"startdate\" ' +
 186                 'id=\"startdate\" size=\"12\" onchange=\"dateAlign(' +
 187                 'this)\" value=\"{$start['date']}\"/>');
 188             </script>
 189                 $this->startdate
 190                 <!--{$start['date']}-->
 191             </td>
 192             <td>{$start['time']}</td>
 193             <td rowspan=\"2\">$tz</td>
 194         </tr>
 195         <tr>
 196             <td>End</td>
 197             <td>
 198             <script type=\"text/javascript\">
 199                 document.write('<input name=\"enddate\" type=\"text\" ' +
 200                 'id=\"enddate\" size=\"12\" onchange=\"dateAlign(' +
 201                 'this)\" value=\"{$end['date']}\"/>');
 202             </script>
 203                 $this->enddate
 204                 <!--{$end['date']}-->
 205             </td>
 206             <td>
 207                 {$end['time']}
 208                 <script type=\"text/javascript\">
 209                     var observable4 = ['starttime', 'tcalico_1', 'enddate', 'endtime'];
 210                     stateSwitch(document.getElementById('allDay'), observable4, 1);
 211                 </script>
 212             </td>
 213         </tr>
 214         </table>";
 215         return $datetime;
 216     }
 217
 218     private function recurRule($checked) {
 219         $choices = array('DAILY', 'WEEKLY', 'MONTHLY', 'YEARLY');
 220         $rule = '<span style="font-weight: bold">Recurrence Types</span><br/>';
 221         foreach ($choices as $choice) {
 222             $rule .= "<input type=\"radio\" name=\"recurrence\" value=\"$choice\"";
 223             if (strtoupper($checked) == $choice)
 224                 $rule .= ' checked="checked"';
 225             $rule .= "/>$choice<br/>";
 226         }
 227         return $rule;
 228     }
 229
 230     private function rangeRule($rules) {
 231         $until = '';
 232         $times = '';
 233         $count_check = '';
 234         $until_check = '';
 235         $no_check = '';
 236
 237         $range = $rules['until'][0];
 238         if (! $range) {
 239             $range = $rules['count'][0];
 240             if ($range) {
 241                 $times = $range;
 242                 $count_check = 'checked="checked"';
 243             }
 244             else {
 245                 $no_check = 'checked="checked"';
 246             }
 247         }
 248         else {
 249             $until = substr($range, 0, 4).'-'.substr($range, 4, 2).
 250                 '-'.substr($range, 6, 2);
 251             $until_check = 'checked="checked"';
 252         }
 253         $rule = <<<_RULE
 254         <span style="font-weight: bold">Recurrence Range</span><br/>
 255         <input type="radio" name="range" value="UNLIMITED" $no_check/>
 256             No ending date<br/>
 257         <input type="radio" name="range" value="COUNT" $count_check/>
 258             End after
 259         <input type="text" name="times" size="4"
 260             value="$times"/>&nbsp;Occurrence(s)<br/>
 261         <input type="radio" name="range" value="UNTIL" $until_check/>
 262             End on
 263         <input type="text" name="untildate" size="12" value="$until"/>
 264             {$this->until}
 265 _RULE;
 266         return $rule;
 267     }
 268
 269     private function createRecur() {
 270         $recur = NULL;
 271         $rrule = NULL;
 272         if ($this->rrule) {
 273             $rrule = array_diff_key($this->rrule, array('freq' => ''));
 274             switch ($this->rrule['freq'][0]) {
 275                 case 'DAILY': $recur = 'DAILY'; break;
 276                 case 'WEEKLY': $recur = 'WEEKLY'; break;
 277                 case 'MONTHLY': $recur = 'MONTHLY'; break;
 278                 case 'YEARLY': $recur = 'YEARLY'; break;
 279             }
 280         }
 281         $recur = $this->recurRule($recur);
 282         $range = $this->rangeRule($rrule);
 283         //print htmlentities($recur);
 284         $res = <<<_TABLE
 285         <table cellpadding="10">
 286             <caption style="font-weight: bold">Recurrence Rule</caption>
 287             <tr>
 288                 <td valign="top">$recur</td>
 289                 <td valign="top">$range</td>
 290             </tr>
 291         </table>
 292 _TABLE;
 293         return $res;
 294     }
 295
 296     function getView() {
 297         $title = '<input name="summary" size="53" value="_SUM_"/>';
 298         $location = '<input name="location" size="53" value="_LOC_"/>';
 299         $description =
 300             '<textarea name="description" cols="60" rows="5">_DESC_</textarea>';
 301         if ($this->parseEvent()) {
 302             $title = str_replace('_SUM_', $this->summary, $title);
 303             $location = str_replace('_LOC_', $this->location, $location);
 304             $description = str_replace('_DESC_', $this->description, $description);
 305         }
 306         else {
 307             $title = str_replace('_SUM_', '', $title);
 308             $location = str_replace('_LOC_', '', $location);
 309             $description = str_replace('_DESC_', '', $description);
 310         }
 311         $btn_label = ($_SESSION['EVENT_ACTION'] == 'NEW') ? "Create" : "Update";
 312         unset($_SESSION['EVENT_ACTION']);
 313         // for delete button
 314         $etag = $this->event->getEtag();
 315         $url = $this->event->getUrl();
 316         $view = dirname($_SERVER['PHP_SELF']).'/delete_event.php';
 317         //['starttime', 'enddate', 'endtime']
 318         $view = "<div id=\"event\">
 319         <form id=\"event_data\" method=\"post\" action=\"{$_SERVER['PHP_SELF']}\"
 320             onsubmit=\"return enableAll(['starttime', 'enddate', 'endtime'])\">
 321             <table>
 322                 <caption style=\"font-weight: bold\">General</caption>
 323                <tr>
 324                    <td>Title</td><td>$title</td>
 325                </tr>
 326                <tr>
 327                     <td>Location</td><td>$location</td>
 328                </tr>
 329                <tr>
 330                     <td>Description</td><td>$description</td>
 331                </tr>
 332             </table><p/>".
 333             $this->createTime()."<p/>".
 334             $this->createRecur().
 335         "<p style=\"text-align: center\">
 336             <input type=\"hidden\" value=\"$this->referer\" name=\"referer\"/>
 337             <input type=\"button\" value=\"Cancel\"
 338                 onclick=\"document.location.href='$this->referer'\"/>
 339             <input type=\"submit\" value=\"$btn_label\"/>
 340                 <!--onclick=\"document.getElementById('event_data').submit()\"/>-->
 341             <input type=\"button\" value=\"Delete\"
 342                 onclick=\"document.location.href='$view?etag=$etag&url=$url'+
 343                 '&cal=$this->cal&referer=$this->referer'\"/>
 344             <!--onclick=\"javascript: alert('Update not available')\"/>-->
 345             <!--<input type=\"submit\" name=\"update\" value=\"Update\"/>-->
 346         </p>
 347         </form>
 348         </div>";
 349         return $view;
 350     }
 351
 352 }
 353
 354 ?>