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PHUICalendarDayView.php
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Sat, Jun 1, 21:16

PHUICalendarDayView.php
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<?php
final class PHUICalendarDayView extends AphrontView {
private $rangeStart;
private $rangeEnd;
private $day;
private $month;
private $year;
private $browseURI;
private $events = array();
private $todayEvents = array();
private $allDayEvents = array();
public function addEvent(AphrontCalendarEventView $event) {
$this->events[] = $event;
return $this;
}
public function setBrowseURI($browse_uri) {
$this->browseURI = $browse_uri;
return $this;
}
private function getBrowseURI() {
return $this->browseURI;
}
public function __construct(
$range_start,
$range_end,
$year,
$month,
$day = null) {
$this->rangeStart = $range_start;
$this->rangeEnd = $range_end;
$this->day = $day;
$this->month = $month;
$this->year = $year;
}
public function render() {
require_celerity_resource('phui-calendar-day-css');
$hours = $this->getHoursOfDay();
$hourly_events = array();
$first_event_hour = null;
$all_day_events = $this->getAllDayEvents();
$today_all_day_events = array();
$day_start = $this->getDateTime();
$day_end = id(clone $day_start)->modify('+1 day');
$day_start_epoch = $day_start->format('U');
$day_end_epoch = $day_end->format('U') - 1;
foreach ($all_day_events as $all_day_event) {
$all_day_start = $all_day_event->getEpochStart();
$all_day_end = $all_day_event->getEpochEnd();
if ($all_day_start < $day_end_epoch && $all_day_end > $day_start_epoch) {
$today_all_day_events[] = $all_day_event;
}
}
foreach ($hours as $hour) {
$current_hour_events = array();
$hour_start = $hour->format('U');
$hour_end = id(clone $hour)->modify('+1 hour')->format('U');
foreach ($this->events as $event) {
if ($event->getIsAllDay()) {
continue;
}
if (($hour == $day_start &&
$event->getEpochStart() <= $hour_start &&
$event->getEpochEnd() > $day_start_epoch) ||
($event->getEpochStart() >= $hour_start
&& $event->getEpochStart() < $hour_end)) {
$current_hour_events[] = $event;
$this->todayEvents[] = $event;
}
}
foreach ($current_hour_events as $event) {
$day_start_epoch = $this->getDateTime()->format('U');
$event_start = max($event->getEpochStart(), $day_start_epoch);
$event_end = min($event->getEpochEnd(), $day_end_epoch);
$top = (($event_start - $hour_start) / ($hour_end - $hour_start))
* 100;
$top = max(0, $top);
$height = (($event_end - $event_start) / ($hour_end - $hour_start))
* 100;
$height = min(2400, $height);
if ($first_event_hour === null) {
$first_event_hour = $hour;
}
$hourly_events[$event->getEventID()] = array(
'hour' => $hour,
'event' => $event,
'offset' => '0',
'width' => '100%',
'top' => $top.'%',
'height' => $height.'%',
);
}
}
$clusters = $this->findTodayClusters();
foreach ($clusters as $cluster) {
$hourly_events = $this->updateEventsFromCluster(
$cluster,
$hourly_events);
}
$rows = array();
foreach ($hours as $hour) {
$early_hours = array(8);
if ($first_event_hour) {
$early_hours[] = $first_event_hour->format('G');
}
if ($hour->format('G') < min($early_hours)) {
continue;
}
$drawn_hourly_events = array();
$cell_time = phutil_tag(
'td',
array('class' => 'phui-calendar-day-hour'),
$hour->format('g A'));
foreach ($hourly_events as $hourly_event) {
if ($hourly_event['hour'] == $hour) {
$drawn_hourly_events[] = $this->drawEvent(
$hourly_event['event'],
$hourly_event['offset'],
$hourly_event['width'],
$hourly_event['top'],
$hourly_event['height']);
}
}
$cell_event = phutil_tag(
'td',
array('class' => 'phui-calendar-day-events'),
$drawn_hourly_events);
$row = phutil_tag(
'tr',
array(),
array($cell_time, $cell_event));
$rows[] = $row;
}
$table = phutil_tag(
'table',
array('class' => 'phui-calendar-day-view'),
$rows);
$all_day_event_box = new PHUIBoxView();
foreach ($today_all_day_events as $all_day_event) {
$all_day_event_box->appendChild(
$this->drawAllDayEvent($all_day_event));
}
$header = $this->renderDayViewHeader();
$sidebar = $this->renderSidebar();
$warnings = $this->getQueryRangeWarning();
$table_box = id(new PHUIObjectBoxView())
->setHeader($header)
->appendChild($all_day_event_box)
->appendChild($table)
->setFormErrors($warnings)
->setFlush(true);
$layout = id(new AphrontMultiColumnView())
->addColumn($sidebar, 'third')
->addColumn($table_box, 'thirds phui-day-view-column')
->setFluidLayout(true)
->setGutter(AphrontMultiColumnView::GUTTER_MEDIUM);
return phutil_tag(
'div',
array(
'class' => 'ml',
),
$layout);
}
private function getAllDayEvents() {
$all_day_events = array();
foreach ($this->events as $event) {
if ($event->getIsAllDay()) {
$all_day_events[] = $event;
}
}
$all_day_events = array_values(msort($all_day_events, 'getEpochStart'));
return $all_day_events;
}
private function getQueryRangeWarning() {
$errors = array();
$range_start_epoch = $this->rangeStart->getEpoch();
$range_end_epoch = $this->rangeEnd->getEpoch();
$day_start = $this->getDateTime();
$day_end = id(clone $day_start)->modify('+1 day');
$day_start = $day_start->format('U');
$day_end = $day_end->format('U') - 1;
if (($range_start_epoch != null &&
$range_start_epoch < $day_end &&
$range_start_epoch > $day_start) ||
($range_end_epoch != null &&
$range_end_epoch < $day_end &&
$range_end_epoch > $day_start)) {
$errors[] = pht('Part of the day is out of range');
}
if (($this->rangeEnd->getEpoch() != null &&
$this->rangeEnd->getEpoch() < $day_start) ||
($this->rangeStart->getEpoch() != null &&
$this->rangeStart->getEpoch() > $day_end)) {
$errors[] = pht('Day is out of query range');
}
return $errors;
}
private function renderSidebar() {
$this->events = msort($this->events, 'getEpochStart');
$week_of_boxes = $this->getWeekOfBoxes();
$filled_boxes = array();
foreach ($week_of_boxes as $day_box) {
$box_start = $day_box['start'];
$box_end = id(clone $box_start)->modify('+1 day');
$box_start = $box_start->format('U');
$box_end = $box_end->format('U');
$box_events = array();
foreach ($this->events as $event) {
$event_start = $event->getEpochStart();
$event_end = $event->getEpochEnd();
if ($event_start < $box_end && $event_end > $box_start) {
$box_events[] = $event;
}
}
$filled_boxes[] = $this->renderSidebarBox(
$box_events,
$day_box['title']);
}
return $filled_boxes;
}
private function renderSidebarBox($events, $title) {
$widget = id(new PHUICalendarWidgetView())
->addClass('calendar-day-view-sidebar');
$list = id(new PHUICalendarListView())
->setUser($this->user);
if (count($events) == 0) {
$list->showBlankState(true);
} else {
$sorted_events = msort($events, 'getEpochStart');
foreach ($sorted_events as $event) {
$list->addEvent($event);
}
}
$widget
->setCalendarList($list)
->setHeader($title);
return $widget;
}
private function getWeekOfBoxes() {
$sidebar_day_boxes = array();
$display_start_day = $this->getDateTime();
$display_end_day = id(clone $display_start_day)->modify('+6 day');
$box_start_time = clone $display_start_day;
$today_time = PhabricatorTime::getTodayMidnightDateTime($this->user);
$tomorrow_time = clone $today_time;
$tomorrow_time->modify('+1 day');
while ($box_start_time <= $display_end_day) {
if ($box_start_time == $today_time) {
$title = pht('Today');
} else if ($box_start_time == $tomorrow_time) {
$title = pht('Tomorrow');
} else {
$title = $box_start_time->format('l');
}
$sidebar_day_boxes[] = array(
'title' => $title,
'start' => clone $box_start_time,
);
$box_start_time->modify('+1 day');
}
return $sidebar_day_boxes;
}
private function renderDayViewHeader() {
$button_bar = null;
$uri = $this->getBrowseURI();
if ($uri) {
list($prev_year, $prev_month, $prev_day) = $this->getPrevDay();
$prev_uri = $uri.$prev_year.'/'.$prev_month.'/'.$prev_day.'/';
list($next_year, $next_month, $next_day) = $this->getNextDay();
$next_uri = $uri.$next_year.'/'.$next_month.'/'.$next_day.'/';
$button_bar = new PHUIButtonBarView();
$left_icon = id(new PHUIIconView())
->setIconFont('fa-chevron-left bluegrey');
$left = id(new PHUIButtonView())
->setTag('a')
->setColor(PHUIButtonView::GREY)
->setHref($prev_uri)
->setTitle(pht('Previous Day'))
->setIcon($left_icon);
$right_icon = id(new PHUIIconView())
->setIconFont('fa-chevron-right bluegrey');
$right = id(new PHUIButtonView())
->setTag('a')
->setColor(PHUIButtonView::GREY)
->setHref($next_uri)
->setTitle(pht('Next Day'))
->setIcon($right_icon);
$button_bar->addButton($left);
$button_bar->addButton($right);
}
$display_day = $this->getDateTime();
$header_text = $display_day->format('l, F j, Y');
$header = id(new PHUIHeaderView())
->setHeader($header_text);
if ($button_bar) {
$header->setButtonBar($button_bar);
}
return $header;
}
private function updateEventsFromCluster($cluster, $hourly_events) {
$cluster_size = count($cluster);
$n = 0;
foreach ($cluster as $cluster_member) {
$event_id = $cluster_member->getEventID();
$offset = (($n / $cluster_size) * 100).'%';
$width = ((1 / $cluster_size) * 100).'%';
if (isset($hourly_events[$event_id])) {
$hourly_events[$event_id]['offset'] = $offset;
$hourly_events[$event_id]['width'] = $width;
}
$n++;
}
return $hourly_events;
}
private function drawAllDayEvent(AphrontCalendarEventView $event) {
$class = 'day-view-all-day';
if ($event->getViewerIsInvited()) {
$class = $class.' viewer-invited-day-event';
}
$name = phutil_tag(
'a',
array(
'class' => $class,
'href' => $event->getURI(),
),
$event->getName());
$all_day_label = phutil_tag(
'span',
array(
'class' => 'phui-calendar-all-day-label',
),
pht('All Day'));
$div = phutil_tag(
'div',
array(
'class' => 'phui-calendar-day-event',
),
array(
$all_day_label,
$name,
));
return $div;
}
private function drawEvent(
AphrontCalendarEventView $event,
$offset,
$width,
$top,
$height) {
$class = 'phui-calendar-day-event-link';
if ($event->getViewerIsInvited()) {
$class = $class.' viewer-invited-day-event';
}
$name = phutil_tag(
'a',
array(
'class' => $class,
'href' => $event->getURI(),
),
$event->getName());
$div = phutil_tag(
'div',
array(
'class' => 'phui-calendar-day-event',
'style' => 'left: '.$offset
.'; width: '.$width
.'; top: '.$top
.'; height: '.$height
.';',
),
$name);
return $div;
}
// returns DateTime of each hour in the day
private function getHoursOfDay() {
$included_datetimes = array();
$day_datetime = $this->getDateTime();
$day_epoch = $day_datetime->format('U');
$day_datetime->modify('+1 day');
$next_day_epoch = $day_datetime->format('U');
$included_time = $day_epoch;
$included_datetime = $this->getDateTime();
while ($included_time < $next_day_epoch) {
$included_datetimes[] = clone $included_datetime;
$included_datetime->modify('+1 hour');
$included_time = $included_datetime->format('U');
}
return $included_datetimes;
}
private function getPrevDay() {
$prev = $this->getDateTime();
$prev->modify('-1 day');
return array(
$prev->format('Y'),
$prev->format('m'),
$prev->format('d'),
);
}
private function getNextDay() {
$next = $this->getDateTime();
$next->modify('+1 day');
return array(
$next->format('Y'),
$next->format('m'),
$next->format('d'),
);
}
private function getDateTime() {
$user = $this->user;
$timezone = new DateTimeZone($user->getTimezoneIdentifier());
$day = $this->day;
$month = $this->month;
$year = $this->year;
$date = new DateTime("{$year}-{$month}-{$day} ", $timezone);
return $date;
}
private function findTodayClusters() {
$events = msort($this->todayEvents, 'getEpochStart');
$clusters = array();
foreach ($events as $event) {
$destination_cluster_key = null;
$event_start = $event->getEpochStart() - (30 * 60);
$event_end = $event->getEpochEnd() + (30 * 60);
foreach ($clusters as $key => $cluster) {
foreach ($cluster as $clustered_event) {
$compare_event_start = $clustered_event->getEpochStart();
$compare_event_end = $clustered_event->getEpochEnd();
if ($event_start < $compare_event_end
&& $event_end > $compare_event_start) {
$destination_cluster_key = $key;
break;
}
}
}
if ($destination_cluster_key !== null) {
$clusters[$destination_cluster_key][] = $event;
} else {
$next_cluster = array();
$next_cluster[] = $event;
$clusters[] = $next_cluster;
}
}
return $clusters;
}
}

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