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<?php
/* Icinga DB Web | (c) 2020 Icinga GmbH | GPLv2 */
namespace Icinga\Module\Icingadb\Widget;
use ipl\Html\BaseHtmlElement;
use ipl\Web\Widget\Icon;
use ipl\Web\Widget\StateBall;
class StateChange extends BaseHtmlElement
{
protected $previousState;
protected $state;
protected $previousStateBallSize = StateBall::SIZE_BIG;
protected $currentStateBallSize = StateBall::SIZE_BIG;
protected $defaultAttributes = ['class' => 'state-change'];
protected $tag = 'div';
/** @var ?Icon Current state ball icon */
protected $icon;
/** @var bool Whether the state is handled */
protected $isHandled = false;
public function __construct(string $state, string $previousState)
{
$this->previousState = $previousState;
$this->state = $state;
}
/**
* Set the state ball size for the previous state
*
* @param string $size
*
* @return $this
*/
public function setPreviousStateBallSize(string $size): self
{
$this->previousStateBallSize = $size;
return $this;
}
/**
* Set the state ball size for the current state
*
* @param string $size
*
* @return $this
*/
public function setCurrentStateBallSize(string $size): self
{
$this->currentStateBallSize = $size;
return $this;
}
/**
* Set the current state ball icon
*
* @param $icon
*
* @return $this
*/
public function setIcon($icon): self
{
$this->icon = $icon;
return $this;
}
/**
* Set whether the current state is handled
*
* @return $this
*/
public function setHandled($isHandled = true): self
{
$this->isHandled = $isHandled;
return $this;
}
protected function assemble()
{
$currentStateBall = (new StateBall($this->state, $this->currentStateBallSize))
->add($this->icon);
if ($this->isHandled) {
$currentStateBall->getAttributes()->add('class', 'handled');
}
$previousStateBall = new StateBall($this->previousState, $this->previousStateBallSize);
if ($this->isRightBiggerThanLeft()) {
$this->getAttributes()->add('class', 'reversed-state-balls');
$this->addHtml($currentStateBall, $previousStateBall);
} else {
$this->addHtml($previousStateBall, $currentStateBall);
}
}
protected function isRightBiggerThanLeft(): bool
{
$left = $this->previousStateBallSize;
$right = $this->currentStateBallSize;
if ($left === $right) {
return false;
} elseif ($left === StateBall::SIZE_LARGE) {
return false;
}
$map = [
StateBall::SIZE_BIG => [false, [StateBall::SIZE_LARGE]],
StateBall::SIZE_MEDIUM_LARGE => [false, [StateBall::SIZE_BIG, StateBall::SIZE_LARGE]],
StateBall::SIZE_MEDIUM => [true, [StateBall::SIZE_TINY, StateBall::SIZE_SMALL]],
StateBall::SIZE_SMALL => [true, [StateBall::SIZE_TINY]]
];
list($negate, $sizes) = $map[$left];
$found = in_array($right, $sizes, true);
return ($negate && ! $found) || (! $negate && $found);
}
}
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