Add htmlBuilder method/class handler.

Add ability to extract service html() method to own class.

Author: yajra

src/Contracts/DataTableHtmlBuilder.php

@@ -0,0 +1,16 @@
+<?php
+
+namespace Yajra\DataTables\Contracts;
+
+use Yajra\DataTables\Html\Builder;
+
+interface DataTableHtmlBuilder
+{
+    /**
+     * Handle building of dataTables html.
+     *
+     * @return \Yajra\DataTables\Html\Builder
+     * @throws \Exception
+     */
+    public function handle();
+}

src/Html/DataTableHtml.php

@@ -0,0 +1,63 @@
+<?php
+
+namespace Yajra\DataTables\Html;
+
+use BadMethodCallException;
+use Yajra\DataTables\Contracts\DataTableHtmlBuilder;
+
+/**
+ * @mixin Builder
+ */
+abstract class DataTableHtml implements DataTableHtmlBuilder
+{
+    /**
+     * @var \Yajra\DataTables\Html\Builder
+     */
+    protected $htmlBuilder;
+
+    /**
+     * @return \Yajra\DataTables\Html\Builder
+     */
+    public static function make()
+    {
+        return app(static::class)->handle();
+    }
+
+    /**
+     * @param string $name
+     * @param mixed $arguments
+     * @return mixed
+     * @throws \Exception
+     */
+    public function __call($name, $arguments)
+    {
+        if (method_exists($this->getHtmlBuilder(), $name)) {
+            return $this->getHtmlBuilder()->{$name}(...$arguments);
+        }
+
+        throw new BadMethodCallException("Method {$name} does not exists");
+    }
+
+    /**
+     * @return \Yajra\DataTables\Html\Builder
+     */
+    protected function getHtmlBuilder()
+    {
+        if ($this->htmlBuilder) {
+            return $this->htmlBuilder;
+        }
+
+        return $this->htmlBuilder = app(Builder::class);
+    }
+
+    /**
+     * @param mixed $builder
+     * @return static
+     */
+    public function setHtmlBuilder($builder)
+    {
+        $this->htmlBuilder = $builder;
+
+        return $this;
+    }
+}

src/Services/DataTable.php

@@ -289,7 +289,15 @@ public function html()
      */
     public function builder()
     {
-        return $this->htmlBuilder ?: $this->htmlBuilder = app('datatables.html');
+        if ($this->htmlBuilder) {
+            return $this->htmlBuilder;
+        }
+
+        if (method_exists($this, 'htmlBuilder')) {
+            return $this->htmlBuilder = app()->call([$this, 'htmlBuilder']);
+        }
+
+        return $this->htmlBuilder = app('datatables.html');
     }
 
     /**