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|
<?php
namespace ipl\Web\FormElement\ScheduleElement;
use InvalidArgumentException;
use ipl\Html\Attributes;
use ipl\Html\FormElement\FieldsetElement;
use ipl\Html\HtmlElement;
use ipl\Validator\CallbackValidator;
use ipl\Validator\ValidatorChain;
use ipl\Web\FormElement\ScheduleElement\Common\FieldsProtector;
class WeeklyFields extends FieldsetElement
{
use FieldsProtector;
/** @var array A list of valid week days */
protected $weekdays = [];
/** @var string A valid weekday to be selected by default */
protected $default = 'MO';
public function __construct($name, $attributes = null)
{
$this->weekdays = [
'MO' => $this->translate('Mon'),
'TU' => $this->translate('Tue'),
'WE' => $this->translate('Wed'),
'TH' => $this->translate('Thu'),
'FR' => $this->translate('Fri'),
'SA' => $this->translate('Sat'),
'SU' => $this->translate('Sun')
];
parent::__construct($name, $attributes);
}
/**
* Set the default weekday to be preselected
*
* @param string $default
*
* @return $this
*/
public function setDefault(string $default): self
{
$weekday = strlen($default) > 2 ? substr($default, 0, -1) : $default;
if (! isset($this->weekdays[strtoupper($weekday)])) {
throw new InvalidArgumentException(sprintf('Invalid weekday provided: %s', $default));
}
$this->default = strtoupper($weekday);
return $this;
}
/**
* Get all the selected weekdays
*
* @return array
*/
public function getSelectedWeekDays(): array
{
$selectedDays = [];
foreach ($this->weekdays as $day => $_) {
if ($this->getValue($day, 'n') === 'y') {
$selectedDays[] = $day;
}
}
if (empty($selectedDays)) {
$selectedDays[] = $this->default;
}
return $selectedDays;
}
/**
* Transform the given weekdays into key=>value array that can be populated
*
* @param array $weekdays
*
* @return array
*/
public function loadWeekDays(array $weekdays): array
{
$values = [];
foreach ($this->weekdays as $weekday => $_) {
$values[$weekday] = in_array($weekday, $weekdays, true) ? 'y' : 'n';
}
return $values;
}
protected function assemble()
{
$this->getAttributes()->set('id', $this->protectId('weekly-fields'));
$fieldsWrapper = HtmlElement::create('div', ['class' => 'weekly']);
$listItems = HtmlElement::create('ul', ['class' => ['schedule-element-fields', 'multiple-fields']]);
foreach ($this->weekdays as $day => $value) {
$checkbox = $this->createElement('checkbox', $day, [
'class' => ['autosubmit', 'sr-only'],
'value' => $day === $this->default
]);
$this->registerElement($checkbox);
$htmlId = $this->protectId("weekday-$day");
$checkbox->getAttributes()->set('id', $htmlId);
$listItem = HtmlElement::create('li');
$listItem->addHtml($checkbox, HtmlElement::create('label', ['for' => $htmlId], $value));
$listItems->addHtml($listItem);
}
$fieldsWrapper->addHtml($listItems);
$this->addHtml($fieldsWrapper);
}
protected function registerAttributeCallbacks(Attributes $attributes)
{
parent::registerAttributeCallbacks($attributes);
$attributes
->registerAttributeCallback('default', null, [$this, 'setDefault'])
->registerAttributeCallback('protector', null, [$this, 'setIdProtector']);
}
protected function addDefaultValidators(ValidatorChain $chain): void
{
$chain->add(
new CallbackValidator(function ($_, CallbackValidator $validator): bool {
$valid = false;
foreach ($this->weekdays as $weekday => $_) {
if ($this->getValue($weekday) === 'y') {
$valid = true;
break;
}
}
if (! $valid) {
$validator->addMessage($this->translate('You must select at least one of these weekdays'));
}
return $valid;
})
);
}
}
|
