engelsystem/includes/view/EventConfig_view.php

<?php

/**
 * Shows basic event infos and countdowns.
 *
 * @param EventConfig $event_config The event configuration
 */
function EventConfig_countdown_page($event_config)
{
    if ($event_config == null) {
        return div('col-md-12 text-center', [
            heading(sprintf(_("Welcome to the %s!"), '<span class="icon-icon_angel"></span> ENGELSYSTEM'), 2)
        ]);
    }

    $elements = [];

    if ($event_config['event_name'] != null) {
        $elements[] = div('col-sm-12 text-center', [
            heading(sprintf(
                _("Welcome to the %s!"),
                $event_config['event_name'] . ' <span class="icon-icon_angel"></span> ENGELSYSTEM'
            ), 2)
        ]);
    }

    if ($event_config['buildup_start_date'] != null && time() < $event_config['buildup_start_date']) {
        $elements[] = div('col-sm-3 text-center hidden-xs', [
            heading(_("Buildup starts"), 4),
            '<span class="moment-countdown text-big" data-timestamp="' . $event_config['buildup_start_date'] . '">%c</span>',
            '<small>' . date(_("Y-m-d"), $event_config['buildup_start_date']) . '</small>'
        ]);
    }

    if ($event_config['event_start_date'] != null && time() < $event_config['event_start_date']) {
        $elements[] = div('col-sm-3 text-center hidden-xs', [
            heading(_("Event starts"), 4),
            '<span class="moment-countdown text-big" data-timestamp="' . $event_config['event_start_date'] . '">%c</span>',
            '<small>' . date(_("Y-m-d"), $event_config['event_start_date']) . '</small>'
        ]);
    }

    if ($event_config['event_end_date'] != null && time() < $event_config['event_end_date']) {
        $elements[] = div('col-sm-3 text-center hidden-xs', [
            heading(_("Event ends"), 4),
            '<span class="moment-countdown text-big" data-timestamp="' . $event_config['event_end_date'] . '">%c</span>',
            '<small>' . date(_("Y-m-d"), $event_config['event_end_date']) . '</small>'
        ]);
    }

    if ($event_config['teardown_end_date'] != null && time() < $event_config['teardown_end_date']) {
        $elements[] = div('col-sm-3 text-center hidden-xs', [
            heading(_("Teardown ends"), 4),
            '<span class="moment-countdown text-big" data-timestamp="' . $event_config['teardown_end_date'] . '">%c</span>',
            '<small>' . date(_("Y-m-d"), $event_config['teardown_end_date']) . '</small>'
        ]);
    }

    return join("", $elements);
}

/**
 * Converts event name and start+end date into a line of text.
 */
function EventConfig_info($event_config)
{
    if ($event_config == null) {
        return "";
    }

    // Event name, start+end date are set
    if ($event_config['event_name'] != null && $event_config['event_start_date'] != null && $event_config['event_end_date'] != null) {
        return sprintf(
            _("%s, from %s to %s"),
            $event_config['event_name'],
            date(_("Y-m-d"), $event_config['event_start_date']),
            date(_("Y-m-d"), $event_config['event_end_date'])
        );
    }

    // Event name, start date are set
    if ($event_config['event_name'] != null && $event_config['event_start_date'] != null) {
        return sprintf(
            _("%s, starting %s"), $event_config['event_name'],
            date(_("Y-m-d"), $event_config['event_start_date'])
        );
    }

    // Event start+end date are set
    if ($event_config['event_start_date'] != null && $event_config['event_end_date'] != null) {
        return sprintf(
            _("Event from %s to %s"),
            date(_("Y-m-d"), $event_config['event_start_date']),
            date(_("Y-m-d"), $event_config['event_end_date'])
        );
    }

    // Only event name is set
    if ($event_config['event_name'] != null) {
        return sprintf($event_config['event_name']);
    }

    return "";
}

/**
 * Render edit page for event config.
 *
 * @param string $event_name
 *          The event name
 * @param string $event_welcome_msg
 *          The welcome message
 * @param date   $buildup_start_date
 * @param date   $event_start_date
 * @param date   $event_end_date
 * @param date   $teardown_end_date
 */
function EventConfig_edit_view(
    $event_name,
    $event_welcome_msg,
    $buildup_start_date,
    $event_start_date,
    $event_end_date,
    $teardown_end_date
) {
    return page_with_title(event_config_title(), [
        msg(),
        form([
            div('row', [
                div('col-md-6', [
                    form_text('event_name', _("Event Name"), $event_name),
                    form_info('', _("Event Name is shown on the start page.")),
                    form_textarea('event_welcome_msg', _("Event Welcome Message"), $event_welcome_msg),
                    form_info('', _("Welcome message is shown after successful registration. You can use markdown."))
                ]),
                div('col-md-3 col-xs-6', [
                    form_date('buildup_start_date', _("Buildup date"), $buildup_start_date),
                    form_date('event_start_date', _("Event start date"), $event_start_date)
                ]),
                div('col-md-3 col-xs-6', [
                    form_date('teardown_end_date', _("Teardown end date"), $teardown_end_date),
                    form_date('event_end_date', _("Event end date"), $event_end_date)
                ])
            ]),
            div('row', [
                div('col-md-6', [
                    form_submit('submit', _("Save"))
                ])
            ])
        ])
    ]);
}