lib/plugin/Calendar.php

   1 <?php // -*-php-*-
   2 rcs_id('$Id: Calendar.php,v 1.23 2002-08-17 15:52:51 rurban Exp $');
   3
   4 if (!defined('SECONDS_PER_DAY'))
   5 define('SECONDS_PER_DAY', 24 * 3600);
   6
   7 // FIXME: Still needs:
   8 //
   9 //   o Better way to navigate to distant months.
  10 //     (Maybe a form with selectors for month and year)?
  11 //
  12 //   o Docs.  Write a pgsrc/CalendarPlugin.
  13 //
  14 // It would be nice to have some way to get from the individual date
  15 // pages back to the calendar page. (Subpage support might make this
  16 // easier.)
  17
  18 /**
  19  */
  20 class WikiPlugin_Calendar
  21 extends WikiPlugin
  22 {
  23     function getName () {
  24         return _("Calendar");
  25     }
  26
  27     function getDescription () {
  28         return _("Calendar");
  29     }
  30
  31     function getDefaultArguments() {
  32         return array('prefix'           => '[pagename]' . SUBPAGE_SEPARATOR,
  33                      'date_format'      => '%Y-%m-%d',
  34                      'year'             => '',
  35                      'month'            => '',
  36                      'month_offset'     => 0,
  37
  38                      'month_format'     => '%B, %Y',
  39                      'wday_format'      => '%a',
  40                      'start_wday'       => '0');
  41     }
  42
  43     function __header($pagename, $time) {
  44         $args = &$this->args;
  45
  46         $t = localtime($time - SECONDS_PER_DAY, 1);
  47         $prev_url = WikiURL($pagename, array('month' => $t['tm_mon'] + 1,
  48                                              'year'  => $t['tm_year'] + 1900));
  49
  50         $t = localtime($time + 32 * SECONDS_PER_DAY, 1);
  51         $next_url = WikiURL($pagename, array('month' => $t['tm_mon'] + 1,
  52                                              'year'  => $t['tm_year'] + 1900));
  53
  54         $prev = HTML::a(array('href'  => $prev_url,
  55                               'class' => 'cal-arrow',
  56                               'title' => _("Previous Month")),
  57                         '<');
  58         $next = HTML::a(array('href'  => $next_url,
  59                               'class' => 'cal-arrow',
  60                               'title' => _("Next Month")),
  61                         '>');
  62
  63
  64         $row = HTML::tr(HTML::td(array('align' => 'left'), $prev),
  65                         HTML::td(array('align' => 'center'),
  66                                  HTML::strong(array('class' => 'cal-header'),
  67                                               strftime($args['month_format'], $time))),
  68                         HTML::td(array('align' => 'right'), $next));
  69
  70         return HTML::tr(HTML::td(array('colspan' => 7,
  71                                        'align'   => 'center'),
  72                                  HTML::table(array('width' => '100%',
  73                                                    'class' => 'cal-header'), $row)));
  74     }
  75
  76
  77     function __daynames($start_wday) {
  78         $time  = mktime(12, 0, 0, 1, 1, 2001);
  79         $t     = localtime($time, 1);
  80         $time += (7 + $start_wday - $t['tm_wday']) * SECONDS_PER_DAY;
  81
  82         $t = localtime($time, 1);
  83         assert($t['tm_wday'] == $start_wday);
  84
  85         $fs = $this->args['wday_format'];
  86         $row = HTML::tr();
  87         $row->setattr('class', 'cal-dayname');
  88         for ($i = 0; $i < 7; $i++) {
  89             $row->pushContent(HTML::td(array('class' => 'cal-dayname',
  90                                              'align' => 'center'),
  91                                        strftime($fs, $time)));
  92             $time += SECONDS_PER_DAY;
  93         }
  94         return $row;
  95     }
  96
  97     function __date($dbi, $time) {
  98         $args = &$this->args;
  99
 100         $page_for_date = $args['prefix'] . strftime($args['date_format'],
 101                                                     $time);
 102         $t = localtime($time, 1);
 103
 104         $td = HTML::td(array('align' => 'center'));
 105
 106         $mday = $t['tm_mday'];
 107         if ($mday == $this->_today) {
 108             $mday = HTML::strong($mday);
 109             $td->setAttr('class', 'cal-today');
 110         }
 111         else if ($dbi->isWikiPage($page_for_date)) {
 112             $td->setAttr('class', 'cal-day');
 113         }
 114
 115         if ($dbi->isWikiPage($page_for_date)) {
 116             $date = HTML::a(array('class' => 'cal-day',
 117                                   'href'  => WikiURL($page_for_date),
 118                                   'title' => $page_for_date),
 119                             HTML::em($mday));
 120         }
 121         else {
 122             $date = HTML::a(array('class' => 'cal-hide',
 123                                   'href'  => WikiURL($page_for_date,
 124                                                      array('action' => 'edit')),
 125                                   'title' => sprintf(_("Edit %s"), $page_for_date)),
 126                             $mday);
 127         }
 128         $td->pushContent(NBSP, $date, NBSP);
 129         return $td;
 130     }
 131
 132     function run($dbi, $argstr, $request) {
 133         $this->args = $this->getArgs($argstr, $request);
 134         $args       = &$this->args;
 135
 136         $now = localtime(time() + 3600 * $request->getPref('timeOffset'), 1);
 137         foreach ( array('month' => $now['tm_mon'] + 1,
 138                         'year'  => $now['tm_year'] + 1900)
 139                   as $param => $dflt ) {
 140
 141             if (!($args[$param] = intval($args[$param])))
 142                 $args[$param]   = $dflt;
 143         }
 144
 145         $time = mktime(12, 0, 0,                               // hh, mm, ss,
 146                        $args['month'] + $args['month_offset'], // month (1-12)
 147                        1,                                      // mday (1-31)
 148                        $args['year']);
 149
 150         $cal = HTML::table(array('cellspacing' => 0,
 151                                  'cellpadding' => 2,
 152                                  'class'       => 'cal'),
 153                            HTML::thead(
 154                                        $this->__header($request->getArg('pagename'), $time),
 155                                        $this->__daynames($args['start_wday'])));
 156
 157         $t = localtime($time, 1);
 158
 159         if ($now['tm_year'] == $t['tm_year'] && $now['tm_mon'] == $t['tm_mon'])
 160             $this->_today = $now['tm_mday'];
 161         else
 162             $this->_today = false;
 163
 164         $tbody = HTML::tbody();
 165         $row = HTML::tr();
 166
 167         $col = (7 + $t['tm_wday'] - $args['start_wday']) % 7;
 168         if ($col > 0)
 169             $row->pushContent(HTML::td(array('colspan' => $col)));
 170         $done = false;
 171
 172         while (!$done) {
 173             $row->pushContent($this->__date($dbi, $time));
 174
 175             if (++$col % 7 == 0) {
 176                 $tbody->pushContent($row);
 177                 $col = 0;
 178                 $row = HTML::tr();
 179             }
 180
 181             $time += SECONDS_PER_DAY;
 182             $t     = localtime($time, 1);
 183             $done  = $t['tm_mday'] == 1;
 184         }
 185
 186         if ($row->getContent()) {
 187             $row->pushContent(HTML::td(array('colspan' => (42 - $col) % 7)));
 188             $tbody->pushContent($row);
 189         }
 190         $cal->pushContent($tbody);
 191         return $cal;
 192     }
 193 };
 194
 195 // For emacs users
 196 // Local Variables:
 197 // mode: php
 198 // tab-width: 8
 199 // c-basic-offset: 4
 200 // c-hanging-comment-ender-p: nil
 201 // indent-tabs-mode: nil
 202 // End:
 203 ?>