add nova

nova/src/Fields/Searchable.php

@@ -0,0 +1,80 @@
+<?php
+
+namespace Laravel\Nova\Fields;
+
+use Laravel\Nova\Http\Requests\NovaRequest;
+
+trait Searchable
+{
+    /**
+     * Indicates if this relationship is searchable.
+     *
+     * @var bool|\Closure(\Laravel\Nova\Http\Requests\NovaRequest):bool
+     */
+    public $searchable = false;
+
+    /**
+     * Indicates if the subtitle will be shown within search results.
+     *
+     * @var bool
+     */
+    public $withSubtitles = false;
+
+    /**
+     * The debounce amount to use when searching this field.
+     *
+     * @var int
+     */
+    public $debounce = 500;
+
+    /**
+     * Specify if the relationship should be searchable.
+     *
+     * @param  bool|\Closure(\Laravel\Nova\Http\Requests\NovaRequest):bool  $searchable
+     * @return $this
+     */
+    public function searchable($searchable = true)
+    {
+        $this->searchable = $searchable;
+
+        return $this;
+    }
+
+    /**
+     * Enable subtitles within the related search results.
+     *
+     * @return $this
+     */
+    public function withSubtitles()
+    {
+        $this->withSubtitles = true;
+
+        return $this;
+    }
+
+    /**
+     * Set the debounce period for use in searchable select inputs.
+     *
+     * @param  int  $amount
+     * @return $this
+     */
+    public function debounce($amount)
+    {
+        $this->debounce = $amount;
+
+        return $this;
+    }
+
+    /**
+     * Determine if current field are searchable.
+     *
+     * @param  \Laravel\Nova\Http\Requests\NovaRequest  $request
+     * @return bool
+     */
+    public function isSearchable(NovaRequest $request)
+    {
+        return is_bool($this->searchable)
+                    ? $this->searchable
+                    : call_user_func($this->searchable, $request);
+    }
+}