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<?php
use Kirby\Exception\InvalidArgumentException;
use Kirby\Field\FieldOptions;
use Kirby\Toolkit\A;
use Kirby\Toolkit\Escape;
use Kirby\Toolkit\Str;
return [
'props' => [
/**
* Unset inherited props
*/
'after' => null,
'before' => null,
/**
* Whether to allow alpha transparency in the color
*/
'alpha' => function (bool $alpha = false) {
return $alpha;
},
/**
* The CSS format (hex, rgb, hsl) to display and store the value
*/
'format' => function (string $format = 'hex'): string {
if (in_array($format, ['hex', 'hsl', 'rgb']) === false) {
throw new InvalidArgumentException('Unsupported format for color field (supported: hex, rgb, hsl)');
}
return $format;
},
/**
* Change mode to disable the color picker (`input`) or to only
* show the `options` as toggles
*/
'mode' => function (string $mode = 'picker'): string {
if (in_array($mode, ['picker', 'input', 'options']) === false) {
throw new InvalidArgumentException('Unsupported mode for color field (supported: picker, input, options)');
}
return $mode;
},
/**
* List of colors that will be shown as buttons
* to directly select them
*/
'options' => function (array $options = []): array {
return $options;
}
],
'computed' => [
'default' => function (): string {
return Str::lower($this->default);
},
'options' => function (): array {
// resolve options to support manual arrays
// alongside api and query options
$props = FieldOptions::polyfill($this->props);
$options = FieldOptions::factory([
'text' => '{{ item.value }}',
'value' => '{{ item.key }}',
...$props['options']
]);
$options = $options->render($this->model());
if (empty($options) === true) {
return [];
}
$options = match (true) {
// simple array of values
// or value=text (from Options class)
is_numeric($options[0]['value']) ||
$options[0]['value'] === $options[0]['text']
=> A::map($options, fn ($option) => [
'value' => $option['text']
]),
// deprecated: name => value, flipping
// TODO: start throwing in warning in v5
$this->isColor($options[0]['text'])
=> A::map($options, fn ($option) => [
'value' => $option['text'],
// ensure that any HTML in the new text is escaped
'text' => Escape::html($option['value'])
]),
default
=> A::map($options, fn ($option) => [
'value' => $option['value'],
'text' => $option['text']
]),
};
return $options;
}
],
'methods' => [
'isColor' => function (string $value): bool {
return
$this->isHex($value) ||
$this->isRgb($value) ||
$this->isHsl($value);
},
'isHex' => function (string $value): bool {
return preg_match('/^#([\da-f]{3,4}){1,2}$/i', $value) === 1;
},
'isHsl' => function (string $value): bool {
return preg_match('/^hsla?\(\s*(\d{1,3}\.?\d*)(deg|rad|grad|turn)?(?:,|\s)+(\d{1,3})%(?:,|\s)+(\d{1,3})%(?:,|\s|\/)*(\d*(?:\.\d+)?)(%?)\s*\)?$/i', $value) === 1;
},
'isRgb' => function (string $value): bool {
return preg_match('/^rgba?\(\s*(\d{1,3})(%?)(?:,|\s)+(\d{1,3})(%?)(?:,|\s)+(\d{1,3})(%?)(?:,|\s|\/)*(\d*(?:\.\d+)?)(%?)\s*\)?$/i', $value) === 1;
},
],
'validations' => [
'color' => function ($value) {
if (empty($value) === true) {
return true;
}
if ($this->format === 'hex' && $this->isHex($value) === false) {
throw new InvalidArgumentException([
'key' => 'validation.color',
'data' => ['format' => 'hex']
]);
}
if ($this->format === 'rgb' && $this->isRgb($value) === false) {
throw new InvalidArgumentException([
'key' => 'validation.color',
'data' => ['format' => 'rgb']
]);
}
if ($this->format === 'hsl' && $this->isHsl($value) === false) {
throw new InvalidArgumentException([
'key' => 'validation.color',
'data' => ['format' => 'hsl']
]);
}
}
]
];