mambax7/extcal

<?php
/**
 * Description: demonstrates a decorator used to "attach a payload" to a selection
 * to make it available when iterating over calendar children.
 */

//if you use ISO-8601 dates, switch to PearDate engine
define('CALENDAR_ENGINE', 'PearDate');

if (!@require_once __DIR__ . '/Calendar/Calendar.php') {
    define('CALENDAR_ROOT', '../../');
}

require_once CALENDAR_ROOT . 'Month/Weekdays.php';
require_once CALENDAR_ROOT . 'Day.php';
require_once CALENDAR_ROOT . 'Decorator.php';

// accepts multiple entries

/**
 * Class DiaryEvent.
 */
class DiaryEvent extends Calendar_Decorator
{
    public $entries = [];

    /**
     * @param $calendar
     */
    public function __construct($calendar)
    {
        parent::__construct($calendar);
    }

    /**
     * @param $entry
     */
    public function addEntry($entry)
    {
        $this->entries[] = $entry;
    }

    /**
     * @return bool
     */
    public function getEntry()
    {
        $entry = each($this->entries);
        if ($entry) {
            return $entry['value'];
        }
        reset($this->entries);

        return false;
    }
}

/**
 * Class MonthPayload_Decorator.
 */
class MonthPayload_Decorator extends Calendar_Decorator
{
    //Calendar engine
    public $cE;
    public $tableHelper;

    public $year;
    public $month;
    public $firstDay = false;

    /**
     * @param array $events
     *
     * @return bool
     */
    public function build($events = [])
    {
        require_once CALENDAR_ROOT . 'Day.php';
        require_once CALENDAR_ROOT . 'Table/Helper.php';

        $this->tableHelper = new Calendar_Table_Helper($this, $this->firstDay);
        $this->cE          = $this->getEngine();
        $this->year        = $this->thisYear();
        $this->month       = $this->thisMonth();

        $daysInMonth = $this->cE->getDaysInMonth($this->year, $this->month);
        for ($i = 1; $i <= $daysInMonth; ++$i) {
            $Day = new Calendar_Day(2000, 1, 1); // Create Day with dummy values
            $Day->setTimestamp($this->cE->dateToStamp($this->year, $this->month, $i));
            $this->children[$i] = new DiaryEvent($Day);
        }
        if (count($events) > 0) {
            $this->setSelection($events);
        }
        $calMonthWeekdays = new Calendar_Month_Weekdays($this->year, $this->month);
        $calMonthWeekdays->buildEmptyDaysBefore();
        $calMonthWeekdays->shiftDays();
        $calMonthWeekdays->buildEmptyDaysAfter();
        $calMonthWeekdays->setWeekMarkers();

        return true;
    }

    /**
     * @param $events
     */
    public function setSelection($events)
    {
        $daysInMonth = $this->cE->getDaysInMonth($this->year, $this->month);
        for ($i = 1; $i <= $daysInMonth; ++$i) {
            $stamp1 = $this->cE->dateToStamp($this->year, $this->month, $i);
            $stamp2 = $this->cE->dateToStamp($this->year, $this->month, $i + 1);
            foreach ($events as $event) {
                if (($stamp1 >= $event['start'] && $stamp1 < $event['end'])
                    || ($stamp2 >= $event['start']
                        && $stamp2 < $event['end'])
                    || ($stamp1 <= $event['start'] && $stamp2 > $event['end'])) {
                    $this->children[$i]->addEntry($event);
                    $this->children[$i]->setSelected();
                }
            }
        }
    }

    /**
     * @return bool
     */
    public function fetch()
    {
        $child = each($this->children);
        if ($child) {
            return $child['value'];
        }
        reset($this->children);

        return false;
    }
}

// Calendar instance used to get the dates in the preferred format:
// you can switch Calendar Engine and the example still works
$cal = new Calendar();

$events = [];
//add some events
$events[] = [
    'start' => $cal->cE->dateToStamp(2004, 6, 1, 10),
    'end'   => $cal->cE->dateToStamp(2004, 6, 1, 12),
    'desc'  => 'Important meeting',
];
$events[] = [
    'start' => $cal->cE->dateToStamp(2004, 6, 1, 21),
    'end'   => $cal->cE->dateToStamp(2004, 6, 1, 23, 59),
    'desc'  => 'Dinner with the boss',
];
$events[] = [
    'start' => $cal->cE->dateToStamp(2004, 6, 5),
    'end'   => $cal->cE->dateToStamp(2004, 6, 10, 23, 59),
    'desc'  => 'Holidays!',
];

$Month          = new Calendar_Month_Weekdays(2004, 6);
$MonthDecorator = new MonthPayload_Decorator($Month);
$MonthDecorator->build($events);

?>
<!DOCTYPE html>
<html>
<head>
    <title> Calendar </title>
    <style text="text/css">
        table {
            border-collapse: collapse;
        }

        caption {
            font-family: verdana, sans-serif;
            font-size: 14pt;
            padding-bottom: 4pt;
        }

        th {
            font-family: verdana, sans-serif;
            font-size: 11px;
            text-align: center;
            background-color: #e7e3e7;
            padding: 5pt;
            line-height: 150%;
            border: 1px solid #ccc;
        }

        td {
            font-family: verdana, sans-serif;
            font-size: 11px;
            text-align: left;
            vertical-align: top;
        }

        td.calCell {
            border: 1px solid #b5bece;
            padding: 3px;
        }

        td.calCellEmpty {
            background-color: #f3f3f7;
        }

        td.calCellBusy {
            background-color: #efeffa;
        }

        div.dayNumber {
            text-align: right;
            background-color: #f8f8f8;
            border-bottom: 1px solid #ccc;
        }

        ul {
            margin-left: 0;
            margin-top: 5pt;
            padding: 0 10pt 0 12pt;
            list-style-type: square;
        }
    </style>
</head>

<body>

<h2>Sample Calendar Payload Decorator (using <?php echo CALENDAR_ENGINE; ?> engine)</h2>
<table class="calendar" width="98%" cellspacing="0" cellpadding="0">
    <caption>
        <?php echo $MonthDecorator->thisMonth() . ' / ' . $MonthDecorator->thisYear(); ?>
    </caption>
    <tr>
        <th>Monday</th>
        <th>Tuesday</th>
        <th>Wednesday</th>
        <th>Thursday</th>
        <th>Friday</th>
        <th>Saturday</th>
        <th>Sunday</th>
    </tr>
    <?php
    while (false !== ($Day = $MonthDecorator->fetch())) {
        if ($Day->isFirst()) {
            echo "<tr>\n";
        }

        echo '<td class="calCell';
        if ($Day->isSelected()) {
            echo ' calCellBusy';
        } elseif ($Day->isEmpty()) {
            echo ' calCellEmpty';
        }
        echo '">';
        echo '<div class="dayNumber">' . $Day->thisDay() . '</div>';

        if ($Day->isEmpty()) {
            echo '&nbsp;';
        } else {
            echo '<div class="dayContents"><ul>';
            while ($entry = $Day->getEntry()) {
                echo '<li>' . $entry['desc'] . '</li>';
                //you can print the time range as well
            }
            echo '</ul></div>';
        }
        echo '</td>';

        if ($Day->isLast()) {
            echo "</tr>\n";
        }
    }
    ?>
</table>
</body>
</html>