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<?php
namespace Icinga\Module\Graphite\Forms\TimeRangePicker;
use DateInterval;
use DateTime;
use DateTimeZone;
use Icinga\Module\Graphite\Util\TimeRangePickerTools;
use Icinga\Module\Graphite\Web\Form\Decorator\Proxy;
use Icinga\Web\Form;
class CustomForm extends Form
{
/**
* @var string
*/
protected $dateTimeFormat = 'Y-m-d\TH:i';
/**
* @var string
*/
protected $timestamp = '/^(?:0|-?[1-9]\d*)$/';
/**
* Right now
*
* @var DateTime
*/
protected $now;
public function init()
{
$this->setName('form_timerangepickercustom_graphite');
$this->setAttrib('data-base-target', '_self');
}
public function createElements(array $formData)
{
$this->addElements([
[
'date',
'start_date',
[
'placeholder' => 'YYYY-MM-DD',
'label' => $this->translate('Start'),
'description' => $this->translate('Start of the date/time range')
]
],
[
'time',
'start_time',
[
'placeholder' => 'HH:MM',
'label' => $this->translate('Start'),
'description' => $this->translate('Start of the date/time range')
]
],
[
'date',
'end_date',
[
'placeholder' => 'YYYY-MM-DD',
'label' => $this->translate('End'),
'description' => $this->translate('End of the date/time range')
]
],
[
'time',
'end_time',
[
'placeholder' => 'HH:MM',
'label' => $this->translate('End'),
'description' => $this->translate('End of the date/time range')
]
]
]);
$this->groupDateTime('start');
$this->groupDateTime('end');
$this->setSubmitLabel($this->translate('Update'));
$this->urlToForm('start', $this->getRelativeTimestamp());
$this->urlToForm('end');
}
public function addSubmitButton()
{
$result = parent::addSubmitButton();
$this->getElement('btn_submit')->class = 'flyover-toggle';
return $result;
}
public function onSuccess()
{
$start = $this->formToUrl('start', '00:00');
$end = $this->formToUrl('end', '23:59', 'PT59S');
if ($start > $end) {
$absoluteRangeParameters = TimeRangePickerTools::getAbsoluteRangeParameters();
$this->getRedirectUrl()->getParams()
->set($absoluteRangeParameters['start'], $end)
->set($absoluteRangeParameters['end'], $start);
}
$this->getRedirectUrl()->remove(TimeRangePickerTools::getRelativeRangeParameter());
}
/**
* Add display group for a date and a time input belonging together
*
* @param string $part Either 'start' or 'end'
*/
protected function groupDateTime($part)
{
$this->addDisplayGroup(["{$part}_date", "{$part}_time"], $part);
$group = $this->getDisplayGroup($part);
foreach ($group->getElements() as $element) {
/** @var \Zend_Form_Element $element */
$elementDecorators = $element->getDecorators();
$element->setDecorators([
'Zend_Form_Decorator_ViewHelper' => $elementDecorators['Zend_Form_Decorator_ViewHelper']
]);
}
$decorators = [];
foreach ($elementDecorators as $key => $decorator) {
if ($key === 'Zend_Form_Decorator_ViewHelper') {
$decorators['Zend_Form_Decorator_FormElements'] =
$group->getDecorators()['Zend_Form_Decorator_FormElements'];
} else {
$decorators[$key] = (new Proxy())->setActualDecorator($decorator->setElement($element));
}
}
$group->setDecorators($decorators);
}
/**
* Set this form's elements' default values based on the redirect URL's parameters
*
* @param string $part Either 'start' or 'end'
* @param int $defaultTimestamp Fallback
*/
protected function urlToForm($part, $defaultTimestamp = null)
{
$params = $this->getRedirectUrl()->getParams();
$absoluteRangeParameters = TimeRangePickerTools::getAbsoluteRangeParameters();
$timestamp = $params->get($absoluteRangeParameters[$part], $defaultTimestamp);
if ($timestamp !== null) {
if (preg_match($this->timestamp, $timestamp)) {
list($date, $time) = explode(
'T',
DateTime::createFromFormat('U', $timestamp)
->setTimezone(new DateTimeZone(date_default_timezone_get()))
->format($this->dateTimeFormat)
);
$this->getElement("{$part}_date")->setValue($date);
$this->getElement("{$part}_time")->setValue($time);
} else {
$params->remove($absoluteRangeParameters[$part]);
}
}
}
/**
* Get the relative range start (if any) set by {@link CommonForm}
*
* @return int|null
*/
protected function getRelativeTimestamp()
{
$seconds = TimeRangePickerTools::getRelativeSeconds($this->getRedirectUrl()->getParams());
return is_int($seconds) ? $this->getNow()->getTimestamp() - $seconds : null;
}
/**
* Change the redirect URL's parameters based on this form's elements' values
*
* @param string $part Either 'start' or 'end'
* @param string $defaultTime Default if no time given
* @param string $addInterval Add this interval to the result
*
* @return int|null The updated timestamp (if any)
*/
protected function formToUrl($part, $defaultTime, $addInterval = null)
{
$date = $this->getValue("{$part}_date");
$time = $this->getValue("{$part}_time");
$params = $this->getRedirectUrl()->getParams();
$absoluteRangeParameters = TimeRangePickerTools::getAbsoluteRangeParameters();
if ($date === '' && $time === '') {
$params->remove($absoluteRangeParameters[$part]);
} else {
$dateTime = DateTime::createFromFormat(
$this->dateTimeFormat,
($date === '' ? $this->getNow()->format('Y-m-d') : $date)
. 'T' . ($time === '' ? $defaultTime : $time)
);
if ($dateTime === false) {
$params->remove($absoluteRangeParameters[$part]);
} else {
if ($addInterval !== null) {
$dateTime->add(new DateInterval($addInterval));
}
$params->set($absoluteRangeParameters[$part], $dateTime->format('U'));
return $dateTime->getTimestamp();
}
}
}
/**
* Get {@link now}
*
* @return DateTime
*/
public function getNow()
{
if ($this->now === null) {
$this->now = new DateTime();
}
return $this->now;
}
/**
* Set {@link now}
*
* @param DateTime $now
*
* @return $this
*/
public function setNow($now)
{
$this->now = $now;
return $this;
}
}
|
