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ComponentAttributeBag.php
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ComponentAttributeBag.php
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<?php
namespace Illuminate\View;
use ArrayAccess;
use ArrayIterator;
use Illuminate\Contracts\Support\Htmlable;
use Illuminate\Support\Arr;
use Illuminate\Support\HtmlString;
use Illuminate\Support\Str;
use Illuminate\Support\Traits\Macroable;
use IteratorAggregate;
class ComponentAttributeBag implements ArrayAccess, Htmlable, IteratorAggregate
{
use Macroable;
/**
* The raw array of attributes.
*
* @var array
*/
protected $attributes = [];
/**
* Create a new component attribute bag instance.
*
* @param array $attributes
* @return void
*/
public function __construct(array $attributes = [])
{
$this->attributes = $attributes;
}
/**
* Get the first attribute's value.
*
* @param mixed $default
* @return mixed
*/
public function first($default = null)
{
return $this->getIterator()->current() ?? value($default);
}
/**
* Get a given attribute from the attribute array.
*
* @param string $key
* @param mixed $default
* @return mixed
*/
public function get($key, $default = null)
{
return $this->attributes[$key] ?? value($default);
}
/**
* Only include the given attribute from the attribute array.
*
* @param mixed|array $keys
* @return static
*/
public function only($keys)
{
if (is_null($keys)) {
$values = $this->attributes;
} else {
$keys = Arr::wrap($keys);
$values = Arr::only($this->attributes, $keys);
}
return new static($values);
}
/**
* Exclude the given attribute from the attribute array.
*
* @param mixed|array $keys
* @return static
*/
public function except($keys)
{
if (is_null($keys)) {
$values = $this->attributes;
} else {
$keys = Arr::wrap($keys);
$values = Arr::except($this->attributes, $keys);
}
return new static($values);
}
/**
* Filter the attributes, returning a bag of attributes that pass the filter.
*
* @param callable $callback
* @return static
*/
public function filter($callback)
{
return new static(collect($this->attributes)->filter($callback)->all());
}
/**
* Return a bag of attributes that have keys starting with the given value / pattern.
*
* @param string $string
* @return static
*/
public function whereStartsWith($string)
{
return $this->filter(function ($value, $key) use ($string) {
return Str::startsWith($key, $string);
});
}
/**
* Return a bag of attributes with keys that do not start with the given value / pattern.
*
* @param string $string
* @return static
*/
public function whereDoesntStartWith($string)
{
return $this->reject(function ($value, $key) use ($string) {
return Str::startsWith($key, $string);
});
}
/**
* Return a bag of attributes that have keys starting with the given value / pattern.
*
* @param string $string
* @return static
*/
public function thatStartWith($string)
{
return $this->whereStartsWith($string);
}
/**
* Exclude the given attribute from the attribute array.
*
* @param mixed|array $keys
* @return static
*/
public function exceptProps($keys)
{
$props = [];
foreach ($keys as $key => $defaultValue) {
$key = is_numeric($key) ? $defaultValue : $key;
$props[] = $key;
$props[] = Str::kebab($key);
}
return $this->except($props);
}
/**
* Merge additional attributes / values into the attribute bag.
*
* @param array $attributeDefaults
* @return static
*/
public function merge(array $attributeDefaults = [])
{
$attributes = [];
$attributeDefaults = array_map(function ($value) {
if (is_null($value) || is_bool($value)) {
return $value;
}
return e($value);
}, $attributeDefaults);
foreach ($this->attributes as $key => $value) {
if ($key !== 'class') {
$attributes[$key] = $value;
continue;
}
$attributes[$key] = implode(' ', array_unique(
array_filter([$attributeDefaults[$key] ?? '', $value])
));
}
return new static(array_merge($attributeDefaults, $attributes));
}
/**
* Set the underlying attributes.
*
* @param array $attributes
* @return void
*/
public function setAttributes(array $attributes)
{
$this->attributes = $attributes;
}
/**
* Get content as a string of HTML.
*
* @return string
*/
public function toHtml()
{
return (string) $this;
}
/**
* Merge additional attributes / values into the attribute bag.
*
* @param array $attributeDefaults
* @return \Illuminate\Support\HtmlString
*/
public function __invoke(array $attributeDefaults = [])
{
return new HtmlString((string) $this->merge($attributeDefaults));
}
/**
* Determine if the given offset exists.
*
* @param string $offset
* @return bool
*/
public function offsetExists($offset)
{
return isset($this->attributes[$offset]);
}
/**
* Get the value at the given offset.
*
* @param string $offset
* @return mixed
*/
public function offsetGet($offset)
{
return $this->get($offset);
}
/**
* Set the value at a given offset.
*
* @param string $offset
* @param mixed $value
* @return void
*/
public function offsetSet($offset, $value)
{
$this->attributes[$offset] = $value;
}
/**
* Remove the value at the given offset.
*
* @param string $offset
* @return void
*/
public function offsetUnset($offset)
{
unset($this->attributes[$offset]);
}
/**
* Get an iterator for the items.
*
* @return \ArrayIterator
*/
public function getIterator()
{
return new ArrayIterator($this->attributes);
}
/**
* Implode the attributes into a single HTML ready string.
*
* @return string
*/
public function __toString()
{
$string = '';
foreach ($this->attributes as $key => $value) {
if ($value === false || is_null($value)) {
continue;
}
if ($value === true) {
$value = $key;
}
$string .= ' '.$key.'="'.str_replace('"', '\\"', trim($value)).'"';
}
return trim($string);
}
}