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<?php
/* Icinga Web 2 | (c) 2022 Icinga GmbH | GPLv2+ */
namespace Icinga\Less;
use Less_Tree_Call;
use Less_Tree_Color;
use Less_Tree_Keyword;
/**
* ColorProp renders Less colors as CSS var() function calls
*
* It extends {@link Less_Tree_Color} so that Less functions that take a Less_Tree_Color as an argument do not fail.
*/
class ColorProp extends Less_Tree_Color
{
/** @var Less_Tree_Color Color with which we created the ColorProp */
protected $color;
/** @var int */
protected $index;
/** @var string Color variable name */
protected $name;
public function __construct()
{
}
/**
* @param Less_Tree_Color $color
*
* @return static
*/
public static function fromColor(Less_Tree_Color $color)
{
$self = new static();
$self->color = $color;
foreach ($color as $k => $v) {
if ($k === 'name') {
$self->setName($v); // Removes the @ char from the name
} else {
$self->$k = $v;
}
}
return $self;
}
/**
* @return int
*/
public function getIndex()
{
return $this->index;
}
/**
* @param int $index
*
* @return $this
*/
public function setIndex($index)
{
$this->index = $index;
return $this;
}
/**
* @return string
*/
public function getName()
{
return $this->name;
}
/**
* @param string $name
*
* @return $this
*/
public function setName($name)
{
if ($name[0] === '@') {
$name = substr($name, 1);
}
$this->name = $name;
return $this;
}
public function genCSS($output)
{
$css = (new Less_Tree_Call(
'var',
[
new Less_Tree_Keyword('--' . $this->getName()),
// Use the Less_Tree_Color with which we created the ColorProp so that we don't get into genCSS() loops.
$this->color
],
$this->getIndex()
))->toCSS();
$output->add($css);
}
}
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