function display_week()
{
global $vars;
$heading_html = tag('tr');
$heading_html->add(tag('th', __p('Week', 'W')));
for ($i = 0; $i < 7; $i++) {
$d = ($i + day_of_week_start()) % 7;
$heading_html->add(tag('th', day_name($d)));
}
if (!isset($vars['week']) || !isset($vars['year'])) {
soft_error(__('Invalid date.'));
}
$week_of_year = intval($vars['week']);
$year = intval($vars['year']);
$day_of_year = 1 + ($week_of_year - 1) * 7 - day_of_week(1, 1, $year);
$from_stamp = mktime(0, 0, 0, 1, $day_of_year, $year);
$start_month = date("n", $from_stamp);
$start_year = date("Y", $from_stamp);
$last_day = $day_of_year + 6;
$to_stamp = mktime(23, 59, 59, 1, $last_day, $year);
$end_month = date("n", $to_stamp);
$end_year = date("Y", $to_stamp);
$heading = month_name($start_month) . " {$start_year}";
if ($end_month != $start_month) {
$heading .= " - " . month_name($end_month) . " {$end_year}";
}
return tag('', tag("div", attributes('id="phpc-summary-view"'), tag("div", attributes('id="phpc-summary-head"'), tag("div", attributes('id="phpc-summary-title"'), ''), tag("div", attributes('id="phpc-summary-author"'), ''), tag("div", attributes('id="phpc-summary-category"'), ''), tag("div", attributes('id="phpc-summary-time"'), '')), tag("div", attributes('id="phpc-summary-body"'), '')), tag('table', attributes('class="phpc-main phpc-calendar"'), tag('caption', $heading), tag('colgroup', tag('col', attributes('class="phpc-week"')), tag('col', attributes('class="phpc-day"')), tag('col', attributes('class="phpc-day"')), tag('col', attributes('class="phpc-day"')), tag('col', attributes('class="phpc-day"')), tag('col', attributes('class="phpc-day"')), tag('col', attributes('class="phpc-day"')), tag('col', attributes('class="phpc-day"'))), tag('thead', $heading_html), create_week($week_of_year, $from_stamp, $to_stamp, $year)));
}
function display_month()
{
global $month, $year, $phpc_home_url, $phpcid;
$heading_html = tag('tr');
$heading_html->add(tag('th', __p('Week', 'W')));
for ($i = 0; $i < 7; $i++) {
$d = ($i + day_of_week_start()) % 7;
$heading_html->add(tag('th', day_name($d)));
}
$months = array();
for ($i = 1; $i <= 12; $i++) {
$m = month_name($i);
$months["{$phpc_home_url}?action=display_month&phpcid={$phpcid}&month={$i}&year={$year}"] = $m;
}
$years = array();
for ($i = $year - 5; $i <= $year + 5; $i++) {
$years["{$phpc_home_url}?action=display_month&phpcid={$phpcid}&month={$month}&year={$i}"] = $i;
}
return tag('', tag("div", attributes('id="phpc-summary-view"'), tag("div", attributes('id="phpc-summary-head"'), tag("div", attributes('id="phpc-summary-title"'), ''), tag("div", attributes('id="phpc-summary-author"'), ''), tag("div", attributes('id="phpc-summary-category"'), ''), tag("div", attributes('id="phpc-summary-time"'), '')), tag("div", attributes('id="phpc-summary-body"'), '')), tag('table', attributes('class="phpc-main phpc-calendar"'), tag('caption', create_dropdown_list(month_name($month), $months), create_dropdown_list($year, $years)), tag('colgroup', tag('col', attributes('class="phpc-week"')), tag('col', attributes('class="phpc-day"')), tag('col', attributes('class="phpc-day"')), tag('col', attributes('class="phpc-day"')), tag('col', attributes('class="phpc-day"')), tag('col', attributes('class="phpc-day"')), tag('col', attributes('class="phpc-day"')), tag('col', attributes('class="phpc-day"'))), tag('thead', $heading_html), create_month($month, $year)));
}
function week_of_year($month, $day, $year)
{
$timestamp = mktime(0, 0, 0, $month, $day, $year);
// week_start = 1 uses ISO 8601 and contains the Jan 4th,
// Most other places the first week contains Jan 1st
// There are a few outliers that start weeks on Monday and use
// Jan 1st for the first week. We'll ignore them for now.
if (day_of_week_start() == 1) {
$year_contains = 4;
// if the week is in December and contains Jan 4th, it's a week
// from next year
if ($month == 12 && $day - 24 >= $year_contains) {
$year++;
$month = 1;
$day -= 31;
}
} else {
$year_contains = 1;
}
// $day is the first day of the week relative to the current month,
// so it can be negative. If it's in the previous year, we want to use
// that negative value, unless the week is also in the previous year,
// then we want to switch to using that year.
if ($day < 1 && $month == 1 && $day > $year_contains - 7) {
$day_of_year = $day - 1;
} else {
$day_of_year = date('z', $timestamp);
$year = date('Y', $timestamp);
}
/* Days in the week before Jan 1. */
$days_before_year = day_of_week(1, $year_contains, $year);
// Days left in the week
$days_left = 8 - day_of_week_ts($timestamp) - $year_contains;
/* find the number of weeks by adding the days in the week before
* the start of the year, days up to $day, and the days left in
* this week, then divide by 7 */
return ($days_before_year + $day_of_year + $days_left) / 7;
}
function form_date_input($qid, $defaults, $dateFormat)
{
$date_attrs = attrs('type="text"', 'class="form-date"', "name=\"{$qid}-date\"", "id=\"{$qid}-date\"");
if (isset($defaults["{$qid}-date"])) {
$date_attrs->add("value=\"{$defaults["{$qid}-date"]}\"");
}
return array(tag('input', $date_attrs), tag('script', attrs('type="text/javascript"'), "\$('#{$qid}-date').datepicker({dateFormat: \"{$dateFormat}\", firstDay: " . day_of_week_start() . " });"));
/**** */
}
function create_display_table($heading, $contents)
{
$heading_html = tag('tr', attrs('class="ui-widget-header"'));
$heading_html->add(tag('th', __p('Week', 'W')));
for ($i = 0; $i < 7; $i++) {
$d = ($i + day_of_week_start()) % 7;
$heading_html->add(tag('th', day_name($d)));
}
return tag('div', tag("div", attributes('id="phpc-summary-view"'), tag("div", attributes('id="phpc-summary-head"'), tag("div", attributes('id="phpc-summary-title"'), ''), tag("div", attributes('id="phpc-summary-author"'), ''), tag("div", attributes('id="phpc-summary-category"'), ''), tag("div", attributes('id="phpc-summary-time"'), '')), tag("div", attributes('id="phpc-summary-body"'), '')), tag('div', attrs('class="phpc-sub-title phpc-month-title ui-widget-content"'), $heading), tag('table', attrs('class="phpc-month-view"'), tag('colgroup', tag('col', attributes('class="phpc-week"')), tag('col', attributes('class="phpc-day"')), tag('col', attributes('class="phpc-day"')), tag('col', attributes('class="phpc-day"')), tag('col', attributes('class="phpc-day"')), tag('col', attributes('class="phpc-day"')), tag('col', attributes('class="phpc-day"')), tag('col', attributes('class="phpc-day"'))), tag('thead', $heading_html), tag('tbody', $contents)));
}