90 lines
2.1 KiB
PHP
90 lines
2.1 KiB
PHP
<?php
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namespace Laravel\Nova\Fields;
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use Laravel\Nova\Http\Requests\NovaRequest;
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trait Peekable
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{
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/**
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* Indicates if the related resource can be peeked at.
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*
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* @var (callable(\Laravel\Nova\Http\Requests\NovaRequest):(bool))|bool|null
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*/
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public $peekable = true;
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/**
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* Specify if the related resource can be peeked at.
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*
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* @param (callable(\Laravel\Nova\Http\Requests\NovaRequest):(bool))|bool $callback
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* @return $this
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*/
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public function peekable($callback = true)
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{
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$this->peekable = $callback;
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return $this;
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}
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/**
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* Prevent the user from peeking at the related resource.
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*
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* @return $this
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*/
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public function noPeeking()
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{
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$this->peekable = false;
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return $this;
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}
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/**
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* Resolve whether the relation is able to be peeked at.
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*
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* @param \Laravel\Nova\Http\Requests\NovaRequest $request
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* @return mixed
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*/
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public function isPeekable(NovaRequest $request)
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{
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if (is_callable($this->peekable)) {
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$this->peekable = call_user_func($this->peekable, $request);
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}
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return $this->peekable;
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}
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/**
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* Determine if the relation has fields that can be peeked at.
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*
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* @param \Laravel\Nova\Http\Requests\NovaRequest $request
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* @return bool
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*/
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public function hasFieldsToPeekAt(NovaRequest $request)
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{
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if (! $request->isPresentationRequest() && ! $request->isResourcePreviewRequest()) {
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return false;
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}
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if (is_null($relatedResource = $this->relatedResource())) {
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return false;
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}
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return $relatedResource->peekableFieldsCount($request) > 0;
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}
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/**
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* Return the appropriate related Resource for the field.
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*
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* @return \Laravel\Nova\Resource|null
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*/
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protected function relatedResource()
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{
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if ($this instanceof MorphTo) {
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return $this->morphToResource;
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}
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/** @phpstan-ignore-next-line */
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return $this->belongsToResource;
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}
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}
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