added calendar.php

[wfpl.git] / calendar.php

diff --git a/calendar.php b/calendar.php
new file mode 100644 (file)
index 0000000..6082989
--- /dev/null
+++ b/calendar.php
@@ -0,0 +1,113 @@
+<?php
+
+#  Copyright (C) 2006 Jason Woofenden
+#
+#  This file is part of wfpl.
+#
+#  wfpl 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, or (at your option)
+#  any later version.
+#
+#  wfpl is distributed in the hope that it will be useful, but
+#  WITHOUT ANY WARRANTY; without even the implied warranty of
+#  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+#  General Public License for more details.
+#
+#  You should have received a copy of the GNU General Public License
+#  along with wfpl; see the file COPYING.  If not, write to the
+#  Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,
+#  MA 02111-1307, USA.
+
+
+# This file generates a simple calendar which looks something like this:
+#
+#            December 2006
+#     Sun Mon Tue Wed Thu Fri Sat
+#      1   2
+#      3   4   5   6   7   8   9
+#     10  11  12  13  14  15  16
+#     17  18  19  20  21  22  23
+#     24  25  26  27  28  29  30
+#     31
+#
+# The days with events have different CSS classes and can link to custom pages
+# or javascript or whatever.
+#
+# The html and CSS is completely customizable without opening a php file.
+
+
+# ACKNOWLEDGMENTS
+#
+# Thank you Oscar Merida for figuring out the necessary date() and strftime()
+# calls: http://freshmeat.net/projects/simplephpcalendar/
+
+
+
+require_once('code/wfpl/template.php');
+
+function calendar_week(&$template) {
+       $template->sub('week');
+}
+
+function calendar_day($kind, &$template) {
+       $template->sub($kind);
+       $template->sub('day');
+}
+
+function calendar($year, $month, $events = 0, &$template = 0) {
+       if($template == 0) {
+               $template = $GLOBALS['wfpl_template'];
+       }
+
+       if(strlen($year) == 2) {
+               $year = "20$year";
+       }
+
+       $start_timestamp = strtotime("$year-$month-01 00:00");
+       $cell = 0;
+
+       $template->set('month_year', strftime('%B', $start_timestamp) . " " . $year);
+
+       # number of non-day slots at the begining of the month
+       $pre_non_days = date( 'w', $start_timestamp );
+
+       # first display empty cells so the 1st can be in the right column
+       while($cell < $pre_non_days) {
+               calendar_day('nonday', $template);
+               $cell++;
+       }
+
+       # do the days in this month
+       $days_count = date( 't', $start_timestamp );
+       for($day = 1; $day <= $days_count; $day++ ) {
+               $template->set('day_number', $day);
+               if(($cell + 1) % 7 < 2) {
+                       $type = 'weekend';
+               } else {
+                       $type = 'day';
+               }
+               if($events[$day]) {
+                       $template->set('day_page', $events[$day]);
+                       calendar_day("busy_$type", $template);
+               } else {
+                       calendar_day("empty_$type", $template);
+               }
+
+               $cell++;
+               if($cell % 7 == 0) {
+                       calendar_week($template);
+               }
+       }
+
+       # fill the rest of the row with empty cells
+       if($cell % 7) {
+               while($cell % 7) {
+                       calendar_day('nonday', $template);
+                       $cell++;
+               }
+               calendar_week($template);
+       }
+}
+
+?>