add nova

nova/src/Fields/Code.php

@@ -0,0 +1,171 @@
+<?php
+
+namespace Laravel\Nova\Fields;
+
+use Laravel\Nova\Http\Requests\NovaRequest;
+
+class Code extends Field
+{
+    use SupportsDependentFields;
+
+    /**
+     * The field's component.
+     *
+     * @var string
+     */
+    public $component = 'code-field';
+
+    /**
+     * Indicates if the field is used to manipulate JSON.
+     *
+     * @var bool
+     */
+    public $json = false;
+
+    /**
+     * The JSON encoding options.
+     *
+     * @var int|null
+     */
+    public $jsonOptions;
+
+    /**
+     * Indicates if the element should be shown on the index view.
+     *
+     * @var bool
+     */
+    public $showOnIndex = false;
+
+    /**
+     * Indicates the visual height of the Code editor.
+     *
+     * @var string|int
+     */
+    public $height = 300;
+
+    /**
+     * Resolve the given attribute from the given resource.
+     *
+     * @param  mixed  $resource
+     * @param  string  $attribute
+     * @return mixed
+     */
+    protected function resolveAttribute($resource, $attribute)
+    {
+        $value = parent::resolveAttribute($resource, $attribute);
+
+        if ($this->json) {
+            return json_encode($value, $this->jsonOptions ?? JSON_PRETTY_PRINT);
+        }
+
+        return $value;
+    }
+
+    /**
+     * Hydrate the given attribute on the model based on the incoming request.
+     *
+     * @param  \Laravel\Nova\Http\Requests\NovaRequest  $request
+     * @param  string  $requestAttribute
+     * @param  \Illuminate\Database\Eloquent\Model|\Laravel\Nova\Support\Fluent  $model
+     * @param  string  $attribute
+     * @return void
+     */
+    protected function fillAttributeFromRequest(NovaRequest $request, $requestAttribute, $model, $attribute)
+    {
+        if ($request->exists($requestAttribute)) {
+            $model->{$attribute} = $this->json
+                        ? json_decode($request[$requestAttribute], true)
+                        : $request[$requestAttribute];
+        }
+    }
+
+    /**
+     * Indicate that the code field is used to manipulate JSON.
+     *
+     * @param  int|null  $options
+     * @return $this
+     */
+    public function json($options = null)
+    {
+        $this->json = true;
+
+        $this->jsonOptions = $options ?? JSON_PRETTY_PRINT | JSON_UNESCAPED_UNICODE;
+
+        return $this->options(['mode' => 'application/json']);
+    }
+
+    /**
+     * Define the language syntax highlighting mode for the field.
+     *
+     * @param  string  $language
+     * @return $this
+     */
+    public function language($language)
+    {
+        return $this->options(['mode' => $language]);
+    }
+
+    /**
+     * Set the Code editor to display all of its contents.
+     *
+     * @return $this
+     */
+    public function fullHeight()
+    {
+        $this->height = '100%';
+
+        return $this;
+    }
+
+    /**
+     * Set the visual height of the Code editor to automatic.
+     *
+     * @return $this
+     */
+    public function autoHeight()
+    {
+        $this->height = 'auto';
+
+        return $this;
+    }
+
+    /**
+     * Set the visual height of the Code editor.
+     *
+     * @param  string|int  $height
+     * @return $this
+     */
+    public function height($height)
+    {
+        $this->height = $height;
+
+        return $this;
+    }
+
+    /**
+     * Set configuration options for the code editor instance.
+     *
+     * @param  array  $options
+     * @return $this
+     */
+    public function options($options)
+    {
+        $currentOptions = $this->meta['options'] ?? [];
+
+        return $this->withMeta([
+            'options' => array_merge($currentOptions, $options),
+        ]);
+    }
+
+    /**
+     * Prepare the field for JSON serialization.
+     *
+     * @return array<string, mixed>
+     */
+    public function jsonSerialize(): array
+    {
+        return array_merge(parent::jsonSerialize(), [
+            'height' => $this->height,
+        ]);
+    }
+}