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phab/src/view/phui/calendar/PHUICalendarMonthView.php
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PHUICalendarMonthView.php
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<?php
final class PHUICalendarMonthView extends AphrontView {
private $rangeStart;
private $rangeEnd;
private $day;
private $month;
private $year;
private $events = array();
private $browseURI;
private $image;
private $error;
public function setBrowseURI($browse_uri) {
$this->browseURI = $browse_uri;
return $this;
}
private function getBrowseURI() {
return $this->browseURI;
}
public function addEvent(AphrontCalendarEventView $event) {
$this->events[] = $event;
return $this;
}
public function setImage($uri) {
$this->image = $uri;
return $this;
}
public function setInfoView(PHUIInfoView $error) {
$this->error = $error;
return $this;
}
public function __construct(
$range_start,
$range_end,
$month,
$year,
$day = null) {
$this->rangeStart = $range_start;
$this->rangeEnd = $range_end;
$this->day = $day;
$this->month = $month;
$this->year = $year;
}
public function render() {
if (empty($this->user)) {
throw new PhutilInvalidStateException('setUser');
}
$events = msort($this->events, 'getEpochStart');
$days = $this->getDatesInMonth();
$cell_lists = array();
require_celerity_resource('phui-calendar-month-css');
foreach ($days as $day) {
$day_number = $day->format('j');
$class = 'phui-calendar-month-day';
$weekday = $day->format('w');
$day->setTime(0, 0, 0);
$day_start_epoch = $day->format('U');
$day_end_epoch = id(clone $day)->modify('+1 day')->format('U');
$list_events = array();
$all_day_events = array();
foreach ($events as $event) {
if ($event->getEpochStart() >= $day_end_epoch) {
break;
}
if ($event->getEpochStart() < $day_end_epoch &&
$event->getEpochEnd() > $day_start_epoch) {
if ($event->getIsAllDay()) {
$all_day_events[] = $event;
} else {
$list_events[] = $event;
}
}
}
$max_daily = 15;
$counter = 0;
$list = new PHUICalendarListView();
$list->setUser($this->user);
foreach ($all_day_events as $item) {
if ($counter <= $max_daily) {
$list->addEvent($item);
}
$counter++;
}
foreach ($list_events as $item) {
if ($counter <= $max_daily) {
$list->addEvent($item);
}
$counter++;
}
$uri = $this->getBrowseURI();
$uri = $uri.$day->format('Y').'/'.
$day->format('m').'/'.
$day->format('d').'/';
$cell_lists[] = array(
'list' => $list,
'date' => $day,
'uri' => $uri,
'count' => count($all_day_events) + count($list_events),
'class' => $class,
);
}
$rows = array();
$cell_lists_by_week = array_chunk($cell_lists, 7);
foreach ($cell_lists_by_week as $week_of_cell_lists) {
$cells = array();
$max_count = $this->getMaxDailyEventsForWeek($week_of_cell_lists);
foreach ($week_of_cell_lists as $cell_list) {
$cells[] = $this->getEventListCell($cell_list, $max_count);
}
$rows[] = phutil_tag('tr', array(), $cells);
$cells = array();
foreach ($week_of_cell_lists as $cell_list) {
$cells[] = $this->getDayNumberCell($cell_list);
}
$rows[] = phutil_tag('tr', array(), $cells);
}
$header = $this->getDayNamesHeader();
$table = phutil_tag(
'table',
array('class' => 'phui-calendar-view'),
array(
$header,
$rows,
));
$warnings = $this->getQueryRangeWarning();
$box = id(new PHUIObjectBoxView())
->setHeader($this->renderCalendarHeader($this->getDateTime()))
->appendChild($table)
->setFormErrors($warnings);
if ($this->error) {
$box->setInfoView($this->error);
}
return $box;
}
private function getMaxDailyEventsForWeek($week_of_cell_lists) {
$max_count = 0;
foreach ($week_of_cell_lists as $cell_list) {
if ($cell_list['count'] > $max_count) {
$max_count = $cell_list['count'];
}
}
return $max_count;
}
private function getEventListCell($event_list, $max_count = 0) {
$list = $event_list['list'];
$class = $event_list['class'];
$uri = $event_list['uri'];
$count = $event_list['count'];
$viewer_is_invited = $list->getIsViewerInvitedOnList();
$event_count_badge = $this->getEventCountBadge($count, $viewer_is_invited);
$cell_day_secret_link = $this->getHiddenDayLink($uri, $max_count, 125);
$cell_data_div = phutil_tag(
'div',
array(
'class' => 'phui-calendar-month-cell-div',
),
array(
$cell_day_secret_link,
$event_count_badge,
$list,
));
return phutil_tag(
'td',
array(
'class' => 'phui-calendar-month-event-list '.$class,
),
$cell_data_div);
}
private function getDayNumberCell($event_list) {
$class = $event_list['class'];
$date = $event_list['date'];
$cell_day_secret_link = null;
$week_number = null;
if ($date) {
$uri = $event_list['uri'];
$cell_day_secret_link = $this->getHiddenDayLink($uri, 0, 25);
$cell_day = phutil_tag(
'a',
array(
'class' => 'phui-calendar-date-number',
'href' => $uri,
),
$date->format('j'));
if ($date->format('w') == 1) {
$week_number = phutil_tag(
'a',
array(
'class' => 'phui-calendar-week-number',
'href' => $uri,
),
$date->format('W'));
}
} else {
$cell_day = null;
}
if ($date && $date->format('j') == $this->day &&
$date->format('m') == $this->month) {
$today_class = 'phui-calendar-today-slot phui-calendar-today';
} else {
$today_class = 'phui-calendar-today-slot';
}
if ($this->isDateInCurrentWeek($date)) {
$today_class .= ' phui-calendar-this-week';
}
$last_week_day = 6;
if ($date->format('w') == $last_week_day) {
$today_class .= ' last-weekday';
}
$today_slot = phutil_tag(
'div',
array(
'class' => $today_class,
),
null);
$cell_div = phutil_tag(
'div',
array(
'class' => 'phui-calendar-month-cell-div',
),
array(
$cell_day_secret_link,
$week_number,
$cell_day,
$today_slot,
));
return phutil_tag(
'td',
array(
'class' => 'phui-calendar-date-number-container '.$class,
),
$cell_div);
}
private function isDateInCurrentWeek($date) {
list($week_start_date, $week_end_date) = $this->getThisWeekRange();
if ($date->format('U') < $week_end_date->format('U') &&
$date->format('U') >= $week_start_date->format('U')) {
return true;
}
return false;
}
private function getEventCountBadge($count, $viewer_is_invited) {
$class = 'phui-calendar-month-count-badge';
if ($viewer_is_invited) {
$class = $class.' viewer-invited-day-badge';
}
$event_count = null;
if ($count > 0) {
$event_count = phutil_tag(
'div',
array(
'class' => $class,
),
$count);
}
return phutil_tag(
'div',
array(
'class' => 'phui-calendar-month-event-count',
),
$event_count);
}
private function getHiddenDayLink($uri, $count, $max_height) {
// approximately the height of the tallest cell
$height = 18 * $count + 5;
$height = ($height > $max_height) ? $height : $max_height;
$height_style = 'height: '.$height.'px';
return phutil_tag(
'a',
array(
'class' => 'phui-calendar-month-secret-link',
'style' => $height_style,
'href' => $uri,
),
null);
}
private function getDayNamesHeader() {
list($week_start, $week_end) = $this->getWeekStartAndEnd();
$weekday_names = array(
$this->getDayHeader(pht('Sun'), pht('Sunday'), true),
$this->getDayHeader(pht('Mon'), pht('Monday')),
$this->getDayHeader(pht('Tue'), pht('Tuesday')),
$this->getDayHeader(pht('Wed'), pht('Wednesday')),
$this->getDayHeader(pht('Thu'), pht('Thursday')),
$this->getDayHeader(pht('Fri'), pht('Friday')),
$this->getDayHeader(pht('Sat'), pht('Saturday'), true),
);
$sorted_weekday_names = array();
for ($i = $week_start; $i < ($week_start + 7); $i++) {
$sorted_weekday_names[] = $weekday_names[$i % 7];
}
return phutil_tag(
'tr',
array('class' => 'phui-calendar-day-of-week-header'),
$sorted_weekday_names);
}
private function getDayHeader($short, $long, $is_weekend = false) {
$class = null;
if ($is_weekend) {
$class = 'weekend-day-header';
}
$day = array();
$day[] = phutil_tag(
'span',
array(
'class' => 'long-weekday-name',
),
$long);
$day[] = phutil_tag(
'span',
array(
'class' => 'short-weekday-name',
),
$short);
return phutil_tag(
'th',
array(
'class' => $class,
),
$day);
}
private function renderCalendarHeader(DateTime $date) {
$button_bar = null;
// check for a browseURI, which means we need "fancy" prev / next UI
$uri = $this->getBrowseURI();
if ($uri) {
list($prev_year, $prev_month) = $this->getPrevYearAndMonth();
$prev_uri = $uri.$prev_year.'/'.$prev_month.'/';
list($next_year, $next_month) = $this->getNextYearAndMonth();
$next_uri = $uri.$next_year.'/'.$next_month.'/';
$button_bar = new PHUIButtonBarView();
$left_icon = id(new PHUIIconView())
->setIcon('fa-chevron-left bluegrey');
$left = id(new PHUIButtonView())
->setTag('a')
->setColor(PHUIButtonView::GREY)
->setHref($prev_uri)
->setTitle(pht('Previous Month'))
->setIcon($left_icon);
$right_icon = id(new PHUIIconView())
->setIcon('fa-chevron-right bluegrey');
$right = id(new PHUIButtonView())
->setTag('a')
->setColor(PHUIButtonView::GREY)
->setHref($next_uri)
->setTitle(pht('Next Month'))
->setIcon($right_icon);
$button_bar->addButton($left);
$button_bar->addButton($right);
}
$header = id(new PHUIHeaderView())
->setHeader($date->format('F Y'));
if ($button_bar) {
$header->setButtonBar($button_bar);
}
if ($this->image) {
$header->setImage($this->image);
}
return $header;
}
private function getQueryRangeWarning() {
$errors = array();
$range_start_epoch = null;
$range_end_epoch = null;
if ($this->rangeStart) {
$range_start_epoch = $this->rangeStart->getEpoch();
}
if ($this->rangeEnd) {
$range_end_epoch = $this->rangeEnd->getEpoch();
}
$month_start = $this->getDateTime();
$month_end = id(clone $month_start)->modify('+1 month');
$month_start = $month_start->format('U');
$month_end = $month_end->format('U') - 1;
if (($range_start_epoch != null &&
$range_start_epoch < $month_end &&
$range_start_epoch > $month_start) ||
($range_end_epoch != null &&
$range_end_epoch < $month_end &&
$range_end_epoch > $month_start)) {
$errors[] = pht('Part of the month is out of range');
}
if (($range_end_epoch != null &&
$range_end_epoch < $month_start) ||
($range_start_epoch != null &&
$range_start_epoch > $month_end)) {
$errors[] = pht('Month is out of query range');
}
return $errors;
}
private function getNextYearAndMonth() {
$next = $this->getDateTime();
$next->modify('+1 month');
return array(
$next->format('Y'),
$next->format('m'),
);
}
private function getPrevYearAndMonth() {
$prev = $this->getDateTime();
$prev->modify('-1 month');
return array(
$prev->format('Y'),
$prev->format('m'),
);
}
/**
* Return a DateTime object representing the first moment in each day in the
* month, according to the user's locale.
*
* @return list List of DateTimes, one for each day.
*/
private function getDatesInMonth() {
$user = $this->user;
$timezone = new DateTimeZone($user->getTimezoneIdentifier());
$month = $this->month;
$year = $this->year;
list($next_year, $next_month) = $this->getNextYearAndMonth();
$end_date = new DateTime("{$next_year}-{$next_month}-01", $timezone);
list($start_of_week, $end_of_week) = $this->getWeekStartAndEnd();
$days_in_month = id(clone $end_date)->modify('-1 day')->format('d');
$first_month_day_date = new DateTime("{$year}-{$month}-01", $timezone);
$last_month_day_date = id(clone $end_date)->modify('-1 day');
$first_weekday_of_month = $first_month_day_date->format('w');
$last_weekday_of_month = $last_month_day_date->format('w');
$day_date = id(clone $first_month_day_date);
$num_days_display = $days_in_month;
if ($start_of_week !== $first_weekday_of_month) {
$interim_start_num = ($first_weekday_of_month + 7 - $start_of_week) % 7;
$num_days_display += $interim_start_num;
$day_date->modify('-'.$interim_start_num.' days');
}
if ($end_of_week !== $last_weekday_of_month) {
$interim_end_day_num = ($end_of_week - $last_weekday_of_month + 7) % 7;
$num_days_display += $interim_end_day_num;
$end_date->modify('+'.$interim_end_day_num.' days');
}
$days = array();
for ($day = 1; $day <= $num_days_display; $day++) {
$day_epoch = $day_date->format('U');
$end_epoch = $end_date->format('U');
if ($day_epoch >= $end_epoch) {
break;
} else {
$days[] = clone $day_date;
}
$day_date->modify('+1 day');
}
return $days;
}
private function getTodayMidnight() {
$viewer = $this->getUser();
$today = new DateTime('@'.time());
$today->setTimeZone($viewer->getTimeZone());
$today->setTime(0, 0, 0);
return $today;
}
private function getThisWeekRange() {
list($week_start, $week_end) = $this->getWeekStartAndEnd();
$today = $this->getTodayMidnight();
$date_weekday = $today->format('w');
$days_from_week_start = ($date_weekday + 7 - $week_start) % 7;
$days_to_week_end = 7 - $days_from_week_start;
$modify = '-'.$days_from_week_start.' days';
$week_start_date = id(clone $today)->modify($modify);
$modify = '+'.$days_to_week_end.' days';
$week_end_date = id(clone $today)->modify($modify);
return array($week_start_date, $week_end_date);
}
private function getWeekStartAndEnd() {
$preferences = $this->user->loadPreferences();
$pref_week_start = PhabricatorUserPreferences::PREFERENCE_WEEK_START_DAY;
$week_start = $preferences->getPreference($pref_week_start, 0);
$week_end = ($week_start + 6) % 7;
return array($week_start, $week_end);
}
private function getDateTime() {
$user = $this->user;
$timezone = new DateTimeZone($user->getTimezoneIdentifier());
$month = $this->month;
$year = $this->year;
$date = new DateTime("{$year}-{$month}-01 ", $timezone);
return $date;
}
}
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