<?php
namespace Laravel\Prompts;
use Closure;
use Illuminate\Support\Collection;
class MultiSelectPrompt extends Prompt
{
use Concerns\Scrolling;
/**
* The options for the multi-select prompt.
*
* @var array<int|string, string>
*/
public array $options;
/**
* The default values the multi-select prompt.
*
* @var array<int|string>
*/
public array $default;
/**
* The selected values.
*
* @var array<int|string>
*/
protected array $values = [];
/**
* Create a new MultiSelectPrompt instance.
*
* @param array<int|string, string>|Collection<int|string, string> $options
* @param array<int|string>|Collection<int, int|string> $default
*/
public function __construct(
public string $label,
array|Collection $options,
array|Collection $default = [],
public int $scroll = 5,
public bool|string $required = false,
public mixed $validate = null,
public string $hint = '',
public ?Closure $transform = null,
) {
$this->options = $options instanceof Collection ? $options->all() : $options;
$this->default = $default instanceof Collection ? $default->all() : $default;
$this->values = $this->default;
$this->initializeScrolling(0);
$this->on('key', fn ($key) => match ($key) {
Key::UP, Key::UP_ARROW, Key::LEFT, Key::LEFT_ARROW, Key::SHIFT_TAB, Key::CTRL_P, Key::CTRL_B, 'k', 'h' => $this->highlightPrevious(count($this->options)),
Key::DOWN, Key::DOWN_ARROW, Key::RIGHT, Key::RIGHT_ARROW, Key::TAB, Key::CTRL_N, Key::CTRL_F, 'j', 'l' => $this->highlightNext(count($this->options)),
Key::oneOf(Key::HOME, $key) => $this->highlight(0),
Key::oneOf(Key::END, $key) => $this->highlight(count($this->options) - 1),
Key::SPACE => $this->toggleHighlighted(),
Key::CTRL_A => $this->toggleAll(),
Key::ENTER => $this->submit(),
default => null,
});
}
/**
* Get the selected values.
*
* @return array<int|string>
*/
public function value(): array
{
return array_values($this->values);
}
/**
* Get the selected labels.
*
* @return array<string>
*/
public function labels(): array
{
if (array_is_list($this->options)) {
return array_map(fn ($value) => (string) $value, $this->values);
}
return array_values(array_intersect_key($this->options, array_flip($this->values)));
}
/**
* The currently visible options.
*
* @return array<int|string, string>
*/
public function visible(): array
{
return array_slice($this->options, $this->firstVisible, $this->scroll, preserve_keys: true);
}
/**
* Check whether the value is currently highlighted.
*/
public function isHighlighted(string $value): bool
{
if (array_is_list($this->options)) {
return $this->options[$this->highlighted] === $value;
}
return array_keys($this->options)[$this->highlighted] === $value;
}
/**
* Check whether the value is currently selected.
*/
public function isSelected(string $value): bool
{
return in_array($value, $this->values);
}
/**
* Toggle all options.
*/
protected function toggleAll(): void
{
if (count($this->values) === count($this->options)) {
$this->values = [];
} else {
$this->values = array_is_list($this->options)
? array_values($this->options)
: array_keys($this->options);
}
}
/**
* Toggle the highlighted entry.
*/
protected function toggleHighlighted(): void
{
$value = array_is_list($this->options)
? $this->options[$this->highlighted]
: array_keys($this->options)[$this->highlighted];
if (in_array($value, $this->values)) {
$this->values = array_filter($this->values, fn ($v) => $v !== $value);
} else {
$this->values[] = $value;
}
}
}
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