add GridViewTrait

GridViewTrait.php

@@ -0,0 +1,52 @@
+<?php
+/**
+ * GridViewTrait
+ *
+ * @author Putra Sudaryanto <[email protected]>
+ * @contact (+62)856-299-4114
+ * @copyright Copyright (c) 2018 Ommu Platform (www.ommu.co)
+ * @created date 6 July 2018, 10:50 WIB
+ * @link https://github.com/ommu/yii-traits
+ *
+ * Contains many function that most used :
+ *	keyIndex
+ *	activeDefaultColumns
+ *
+ */
+
+trait GridViewTrait
+{
+	/**
+	 * Generates key index defaultColumns in models
+	 * @return array
+	 */
+	public function keyIndex($data)
+	{
+		if(!is_array($data))
+			return $data;
+
+		else {
+			if(array_key_exists('name', $data))
+				return $data['name'];
+		}
+
+		return false;
+	}
+
+	/**
+	 * Generates key index defaultColumns in models
+	 * @return array
+	 */
+	public function activeDefaultColumns($columns)
+	{
+		$column = array();
+
+		foreach($columns as $val) {
+			$keyIndex = $this->keyIndex($val);
+			if($keyIndex)
+				$column[] = $keyIndex;
+		}
+
+		return $column;
+	}
+}