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isUnknown 2024-07-10 16:10:33 +02:00
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<?php
namespace Kirby\Form\Field;
use Kirby\Cms\App;
use Kirby\Cms\Block;
use Kirby\Cms\Blocks as BlocksCollection;
use Kirby\Cms\Fieldset;
use Kirby\Cms\Fieldsets;
use Kirby\Cms\ModelWithContent;
use Kirby\Exception\InvalidArgumentException;
use Kirby\Exception\NotFoundException;
use Kirby\Form\FieldClass;
use Kirby\Form\Form;
use Kirby\Form\Mixin\EmptyState;
use Kirby\Form\Mixin\Max;
use Kirby\Form\Mixin\Min;
use Kirby\Toolkit\Str;
use Throwable;
class BlocksField extends FieldClass
{
use EmptyState;
use Max;
use Min;
protected Fieldsets $fieldsets;
protected string|null $group;
protected bool $pretty;
protected mixed $value = [];
public function __construct(array $params = [])
{
$this->setFieldsets(
$params['fieldsets'] ?? null,
$params['model'] ?? App::instance()->site()
);
parent::__construct($params);
$this->setEmpty($params['empty'] ?? null);
$this->setGroup($params['group'] ?? 'blocks');
$this->setMax($params['max'] ?? null);
$this->setMin($params['min'] ?? null);
$this->setPretty($params['pretty'] ?? false);
}
public function blocksToValues(
array $blocks,
string $to = 'values'
): array {
$result = [];
$fields = [];
foreach ($blocks as $block) {
try {
$type = $block['type'];
// get and cache fields at the same time
$fields[$type] ??= $this->fields($block['type']);
// overwrite the block content with form values
$block['content'] = $this->form(
$fields[$type],
$block['content']
)->$to();
// create id if not exists
$block['id'] ??= Str::uuid();
} catch (Throwable) {
// skip invalid blocks
} finally {
$result[] = $block;
}
}
return $result;
}
public function fields(string $type): array
{
return $this->fieldset($type)->fields();
}
public function fieldset(string $type): Fieldset
{
if ($fieldset = $this->fieldsets->find($type)) {
return $fieldset;
}
throw new NotFoundException(
'The fieldset ' . $type . ' could not be found'
);
}
public function fieldsets(): Fieldsets
{
return $this->fieldsets;
}
public function fieldsetGroups(): array|null
{
$groups = $this->fieldsets()->groups();
return empty($groups) === true ? null : $groups;
}
public function fill(mixed $value = null): void
{
$value = BlocksCollection::parse($value);
$blocks = BlocksCollection::factory($value)->toArray();
$this->value = $this->blocksToValues($blocks);
}
public function form(array $fields, array $input = []): Form
{
return new Form([
'fields' => $fields,
'model' => $this->model,
'strict' => true,
'values' => $input,
]);
}
public function isEmpty(): bool
{
return count($this->value()) === 0;
}
public function group(): string
{
return $this->group;
}
public function pretty(): bool
{
return $this->pretty;
}
/**
* Paste action for blocks:
* - generates new uuids for the blocks
* - filters only supported fieldsets
* - applies max limit if defined
*/
public function pasteBlocks(array $blocks): array
{
$blocks = $this->blocksToValues($blocks);
foreach ($blocks as $index => &$block) {
$block['id'] = Str::uuid();
// remove the block if it's not available
try {
$this->fieldset($block['type']);
} catch (Throwable) {
unset($blocks[$index]);
}
}
return array_values($blocks);
}
public function props(): array
{
return [
'empty' => $this->empty(),
'fieldsets' => $this->fieldsets()->toArray(),
'fieldsetGroups' => $this->fieldsetGroups(),
'group' => $this->group(),
'max' => $this->max(),
'min' => $this->min(),
] + parent::props();
}
public function routes(): array
{
$field = $this;
return [
[
'pattern' => 'uuid',
'action' => fn (): array => ['uuid' => Str::uuid()]
],
[
'pattern' => 'paste',
'method' => 'POST',
'action' => function () use ($field): array {
$request = App::instance()->request();
$value = BlocksCollection::parse($request->get('html'));
$blocks = BlocksCollection::factory($value);
return $field->pasteBlocks($blocks->toArray());
}
],
[
'pattern' => 'fieldsets/(:any)',
'method' => 'GET',
'action' => function (
string $fieldsetType
) use ($field): array {
$fields = $field->fields($fieldsetType);
$defaults = $field->form($fields, [])->data(true);
$content = $field->form($fields, $defaults)->values();
return Block::factory([
'content' => $content,
'type' => $fieldsetType
])->toArray();
}
],
[
'pattern' => 'fieldsets/(:any)/fields/(:any)/(:all?)',
'method' => 'ALL',
'action' => function (
string $fieldsetType,
string $fieldName,
string $path = null
) use ($field) {
$fields = $field->fields($fieldsetType);
$field = $field->form($fields)->field($fieldName);
$fieldApi = $this->clone([
'routes' => $field->api(),
'data' => array_merge(
$this->data(),
['field' => $field]
)
]);
return $fieldApi->call(
$path,
$this->requestMethod(),
$this->requestData()
);
}
],
];
}
public function store(mixed $value): mixed
{
$blocks = $this->blocksToValues((array)$value, 'content');
// returns empty string to avoid storing empty array as string `[]`
// and to consistency work with `$field->isEmpty()`
if (empty($blocks) === true) {
return '';
}
return $this->valueToJson($blocks, $this->pretty());
}
protected function setDefault(mixed $default = null): void
{
// set id for blocks if not exists
if (is_array($default) === true) {
array_walk($default, function (&$block) {
$block['id'] ??= Str::uuid();
});
}
parent::setDefault($default);
}
protected function setFieldsets(
string|array|null $fieldsets,
ModelWithContent $model
): void {
if (is_string($fieldsets) === true) {
$fieldsets = [];
}
$this->fieldsets = Fieldsets::factory(
$fieldsets,
['parent' => $model]
);
}
protected function setGroup(string $group = null): void
{
$this->group = $group;
}
protected function setPretty(bool $pretty = false): void
{
$this->pretty = $pretty;
}
public function validations(): array
{
return [
'blocks' => function ($value) {
if ($this->min && count($value) < $this->min) {
throw new InvalidArgumentException([
'key' => 'blocks.min.' . ($this->min === 1 ? 'singular' : 'plural'),
'data' => [
'min' => $this->min
]
]);
}
if ($this->max && count($value) > $this->max) {
throw new InvalidArgumentException([
'key' => 'blocks.max.' . ($this->max === 1 ? 'singular' : 'plural'),
'data' => [
'max' => $this->max
]
]);
}
$fields = [];
$index = 0;
foreach ($value as $block) {
$index++;
$type = $block['type'];
try {
$fieldset = $this->fieldset($type);
$blockFields = $fields[$type] ?? $fieldset->fields() ?? [];
} catch (Throwable) {
// skip invalid blocks
continue;
}
// store the fields for the next round
$fields[$type] = $blockFields;
// overwrite the content with the serialized form
$form = $this->form($blockFields, $block['content']);
foreach ($form->fields() as $field) {
$errors = $field->errors();
// rough first validation
if (empty($errors) === false) {
throw new InvalidArgumentException([
'key' => 'blocks.validation',
'data' => [
'field' => $field->label(),
'fieldset' => $fieldset->name(),
'index' => $index
]
]);
}
}
}
return true;
}
];
}
}

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<?php
namespace Kirby\Form\Field;
use Kirby\Cms\App;
use Kirby\Cms\Blueprint;
use Kirby\Cms\Fieldset;
use Kirby\Cms\Layout;
use Kirby\Cms\Layouts;
use Kirby\Exception\InvalidArgumentException;
use Kirby\Form\Form;
use Kirby\Toolkit\Str;
use Throwable;
class LayoutField extends BlocksField
{
protected array|null $layouts;
protected array|null $selector;
protected Fieldset|null $settings;
public function __construct(array $params)
{
$this->setModel($params['model'] ?? App::instance()->site());
$this->setLayouts($params['layouts'] ?? ['1/1']);
$this->setSelector($params['selector'] ?? null);
$this->setSettings($params['settings'] ?? null);
parent::__construct($params);
}
public function fill(mixed $value = null): void
{
$value = $this->valueFromJson($value);
$layouts = Layouts::factory($value, ['parent' => $this->model])->toArray();
foreach ($layouts as $layoutIndex => $layout) {
if ($this->settings !== null) {
$layouts[$layoutIndex]['attrs'] = $this->attrsForm($layout['attrs'])->values();
}
foreach ($layout['columns'] as $columnIndex => $column) {
$layouts[$layoutIndex]['columns'][$columnIndex]['blocks'] = $this->blocksToValues($column['blocks']);
}
}
$this->value = $layouts;
}
public function attrsForm(array $input = []): Form
{
$settings = $this->settings();
return new Form([
'fields' => $settings?->fields() ?? [],
'model' => $this->model,
'strict' => true,
'values' => $input,
]);
}
public function layouts(): array|null
{
return $this->layouts;
}
/**
* Creates form values for each layout
*/
public function layoutsToValues(array $layouts): array
{
foreach ($layouts as &$layout) {
$layout['id'] ??= Str::uuid();
$layout['columns'] ??= [];
array_walk($layout['columns'], function (&$column) {
$column['id'] ??= Str::uuid();
$column['blocks'] = $this->blocksToValues($column['blocks'] ?? []);
});
}
return $layouts;
}
/**
* Paste action for layouts:
* - generates new uuids for layout, column and blocks
* - filters only supported layouts
* - filters only supported fieldsets
*/
public function pasteLayouts(array $layouts): array
{
$layouts = $this->layoutsToValues($layouts);
foreach ($layouts as $layoutIndex => &$layout) {
$layout['id'] = Str::uuid();
// remove the row if layout not available for the pasted layout field
$columns = array_column($layout['columns'], 'width');
if (in_array($columns, $this->layouts()) === false) {
unset($layouts[$layoutIndex]);
continue;
}
array_walk($layout['columns'], function (&$column) {
$column['id'] = Str::uuid();
array_walk($column['blocks'], function (&$block, $index) use ($column) {
$block['id'] = Str::uuid();
// remove the block if it's not available
try {
$this->fieldset($block['type']);
} catch (Throwable) {
unset($column['blocks'][$index]);
}
});
});
}
return $layouts;
}
public function props(): array
{
$settings = $this->settings();
return array_merge(parent::props(), [
'layouts' => $this->layouts(),
'selector' => $this->selector(),
'settings' => $settings?->toArray()
]);
}
public function routes(): array
{
$field = $this;
$routes = parent::routes();
$routes[] = [
'pattern' => 'layout',
'method' => 'POST',
'action' => function () use ($field): array {
$request = App::instance()->request();
$input = $request->get('attrs') ?? [];
$defaults = $field->attrsForm($input)->data(true);
$attrs = $field->attrsForm($defaults)->values();
$columns = $request->get('columns') ?? ['1/1'];
return Layout::factory([
'attrs' => $attrs,
'columns' => array_map(fn ($width) => [
'blocks' => [],
'id' => Str::uuid(),
'width' => $width,
], $columns)
])->toArray();
},
];
$routes[] = [
'pattern' => 'layout/paste',
'method' => 'POST',
'action' => function () use ($field): array {
$request = App::instance()->request();
$value = Layouts::parse($request->get('json'));
$layouts = Layouts::factory($value);
return $field->pasteLayouts($layouts->toArray());
}
];
$routes[] = [
'pattern' => 'fields/(:any)/(:all?)',
'method' => 'ALL',
'action' => function (
string $fieldName,
string $path = null
) use ($field): array {
$form = $field->attrsForm();
$field = $form->field($fieldName);
$fieldApi = $this->clone([
'routes' => $field->api(),
'data' => array_merge(
$this->data(),
['field' => $field]
)
]);
return $fieldApi->call(
$path,
$this->requestMethod(),
$this->requestData()
);
}
];
return $routes;
}
public function selector(): array|null
{
return $this->selector;
}
protected function setDefault(mixed $default = null): void
{
// set id for layouts, columns and blocks within layout if not exists
if (is_array($default) === true) {
array_walk($default, function (&$layout) {
$layout['id'] ??= Str::uuid();
// set columns id within layout
if (isset($layout['columns']) === true) {
array_walk($layout['columns'], function (&$column) {
$column['id'] ??= Str::uuid();
// set blocks id within column
if (isset($column['blocks']) === true) {
array_walk($column['blocks'], function (&$block) {
$block['id'] ??= Str::uuid();
});
}
});
}
});
}
parent::setDefault($default);
}
protected function setLayouts(array $layouts = []): void
{
$this->layouts = array_map(
fn ($layout) => Str::split($layout),
$layouts
);
}
/**
* Layout selector's styles such as size (`small`, `medium`, `large` or `huge`) and columns
*/
protected function setSelector(array|null $selector = null): void
{
$this->selector = $selector;
}
protected function setSettings(array|string|null $settings = null): void
{
if (empty($settings) === true) {
$this->settings = null;
return;
}
$settings = Blueprint::extend($settings);
$settings['icon'] = 'dashboard';
$settings['type'] = 'layout';
$settings['parent'] = $this->model();
$this->settings = Fieldset::factory($settings);
}
public function settings(): Fieldset|null
{
return $this->settings;
}
public function store(mixed $value): mixed
{
$value = Layouts::factory($value, ['parent' => $this->model])->toArray();
// returns empty string to avoid storing empty array as string `[]`
// and to consistency work with `$field->isEmpty()`
if (empty($value) === true) {
return '';
}
foreach ($value as $layoutIndex => $layout) {
if ($this->settings !== null) {
$value[$layoutIndex]['attrs'] = $this->attrsForm($layout['attrs'])->content();
}
foreach ($layout['columns'] as $columnIndex => $column) {
$value[$layoutIndex]['columns'][$columnIndex]['blocks'] = $this->blocksToValues($column['blocks'] ?? [], 'content');
}
}
return $this->valueToJson($value, $this->pretty());
}
public function validations(): array
{
return [
'layout' => function ($value) {
$fields = [];
$layoutIndex = 0;
foreach ($value as $layout) {
$layoutIndex++;
// validate settings form
$form = $this->attrsForm($layout['attrs'] ?? []);
foreach ($form->fields() as $field) {
$errors = $field->errors();
if (empty($errors) === false) {
throw new InvalidArgumentException([
'key' => 'layout.validation.settings',
'data' => [
'index' => $layoutIndex
]
]);
}
}
// validate blocks in the layout
$blockIndex = 0;
foreach ($layout['columns'] ?? [] as $column) {
foreach ($column['blocks'] ?? [] as $block) {
$blockIndex++;
$blockType = $block['type'];
try {
$fieldset = $this->fieldset($blockType);
$blockFields = $fields[$blockType] ?? $this->fields($blockType) ?? [];
} catch (Throwable) {
// skip invalid blocks
continue;
}
// store the fields for the next round
$fields[$blockType] = $blockFields;
// overwrite the content with the serialized form
$form = $this->form($blockFields, $block['content']);
foreach ($form->fields() as $field) {
$errors = $field->errors();
// rough first validation
if (empty($errors) === false) {
throw new InvalidArgumentException([
'key' => 'layout.validation.block',
'data' => [
'blockIndex' => $blockIndex,
'field' => $field->label(),
'fieldset' => $fieldset->name(),
'layoutIndex' => $layoutIndex
]
]);
}
}
}
}
}
return true;
}
];
}
}