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<?php
Prado::using('Application.dto.GridEventDTO');
Prado::using('Application.controls.grid.IGridElementDTO');
class GridEventGroupDTO implements IGridElementDTO {
public $Header;
public $Events;
public $Calendar;
public $GridPosition;
public function __construct(array $events) {
$this->Events = $events;
if ($this->Events) {
$this->Calendar = $this->Events[0]->Calendar;
}
usort($this->Events, ['GridEventDTO', '__compare']);
$this->Header = $this->_determineCommonHeader($this->Events);
}
public static function __compare(GridEventGroupDTO $ev1, GridEventGroupDTO $ev2) {
if ($ev1->GridPosition === NULL || $ev2->GridPosition === NULL) {
if (count($ev1->Events) && count($ev2->Events)) {
return EventDTO::__compare($ev1->Events[0], $ev2->Events[0]);
}
}
return $ev1->GridPosition - $ev2->GridPosition;
}
private function _determineCommonHeader(array $events) {
if (!$events) {
return NULL;
}
$names = array_map(
function(EventDTO $event) {
return $event->Name;
},
$events
);
$prefix = $names[0];
$passed = FALSE;
while (!$passed && $prefix) {
$passed = TRUE;
$prefixLength = strlen($prefix);
foreach ($names as $name) {
if (substr($name, 0, $prefixLength) != $prefix) {
$passed = FALSE;
break;
}
}
if ($passed) {
foreach ($names as $name) {
if (is_numeric(trim(substr($name, $prefixLength)))) {
$passed = FALSE;
break;
}
}
}
if (!$passed) {
$prefix = substr($prefix, 0, strrpos($prefix, ' '));
}
}
return $prefix ?: $events[0]->Calendar->Name;
}
public function getRendererClass() {
return 'Group';
}
}
?>
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