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add some calendaring functions

This commit is contained in:
Friendika 2011-02-22 20:08:15 -08:00
parent f57f9852b1
commit a5b80e5d56
3 changed files with 125 additions and 0 deletions

View file

@ -196,3 +196,114 @@ function age($dob,$owner_tz = '',$viewer_tz = '') {
$year_diff--;
return $year_diff;
}
// Get days in month
// get_dim($year, $month);
// returns number of days.
// $month[1] = 'January';
// to match human usage.
if(! function_exists('get_dim')) {
function get_dim($y,$m) {
$dim = array( 0,
31, 28, 31, 30, 31, 30,
31, 31, 30, 31, 30, 31);
if($m != 2)
return $dim[$m];
if(((($y % 4) == 0) && (($y % 100) != 0)) || (($y % 400) == 0))
return 29;
return $dim[2];
}}
// Returns the first day in month for a given month, year
// get_first_dim($year,$month)
// returns 0 = Sunday through 6 = Saturday
// Months start at 1.
if(! function_exists('get_first_dim')) {
function get_first_dim($y,$m) {
$d = sprintf('%04d-%02d-01 00:00', intval($y), intval($m));
return datetime_convert('UTC','UTC',$d,'w');
}}
// output a calendar for the given month, year.
// if $links are provided (array), e.g. $links[12] => 'http://mylink' ,
// date 12 will be linked appropriately. Today's date is also noted by
// altering td class.
// Months count from 1.
// TODO: provide (prev,next) links, define class variations for different size calendars
if(! function_exists('cal')) {
function cal($y = 0,$m = 0, $links = false) {
// month table - start at 1 to match human usage.
$mtab = array(' ',
'January','February','March',
'April','May','June',
'July','August','September',
'October','November','December'
);
$thisyear = datetime_convert('UTC',date_default_timezone_get(),'now','Y');
$thismonth = datetime_convert('UTC',date_default_timezone_get(),'now','m');
if(! $y)
$y = $thisyear;
if(! $m)
$m = intval($thismonth);
$dn = array('Sunday', 'Monday', 'Tuesday', 'Wednesday', 'Thursday', 'Friday', 'Saturday');
$f = get_first_dim($y,$m);
$l = get_dim($y,$m);
$d = 1;
$dow = 0;
$started = false;
if(($y == $thisyear) && ($m == $thismonth))
$tddate = intval(datetime_convert('UTC',date_default_timezone_get(),'now','j'));
$str_month = day_translate($mtab[$m]);
$o = '<table class="calendar">';
$o .= "<caption>$str_month $y</caption><tr>";
for($a = 0; $a < 7; $a ++)
$o .= '<th>' . substr(day_translate($dn[$a]),0,3) . '</th>';
$o .= '</tr><tr>';
while($d <= $l) {
if(($dow == $f) && (! $started))
$started = true;
$today = (((isset($tddate)) && ($tddate == $d)) ? "class=\"today\" " : '');
$o .= "<td $today>";
$day = str_replace(' ','&nbsp;',sprintf('%2.2d', $d));
if($started) {
if(is_array($links) && isset($links[$d]))
$o .= "<a href=\"{$links[$d]}\">$day</a>";
else
$o .= $day;
$d ++;
}
else
$o .= '&nbsp;';
$o .= '</td>';
$dow ++;
if(($dow == 7) && ($d <= $l)) {
$dow = 0;
$o .= '</tr><tr>';
}
}
if($dow)
for($a = $dow; $a < 7; $a ++)
$o .= '<td>&nbsp;</td>';
$o .= '</tr></table>'."\r\n";
return $o;
}}

View file

@ -2019,3 +2019,9 @@ a.mail-list-link {
}
.calendar {
font-family: Courier, monospace;
}
.today {
color: #FF0000;
}

View file

@ -2065,3 +2065,11 @@ a.mail-list-link {
.tool-link {
cursor: pointer;
}
.calendar {
font-family: Courier, monospace;
}
.today {
color: #FF0000;
}