fix #4

.gitignore

@@ -1 +1,3 @@
-/nbproject/*
+/nbproject/*
+/vendor
+/composer.lock

AutoNumber.php

@@ -2,6 +2,9 @@
 
 namespace mdm\autonumber;
 
+use Yii;
+use yii\db\ActiveRecord;
+
 /**
  * This is the model class for table "auto_number".
  *
@@ -12,7 +15,7 @@
  * @author Misbahul D Munir <misbahuldmunir@gmail.com>
  * @since 1.0
  */
-class AutoNumber extends \yii\db\ActiveRecord
+class AutoNumber extends ActiveRecord
 {
 
     /**

AutonumberValidator.php

@@ -3,7 +3,7 @@
 namespace mdm\autonumber;
 
 use yii\db\ActiveRecord;
-use yii\db\StaleObjectException;
+use yii\validators\Validator;
 
 /**
  * Validator use to fill autonumber
@@ -22,7 +22,7 @@
  * @author Misbahul D Munir <misbahuldmunir@gmail.com>
  * @since 1.0
  */
-class AutonumberValidator extends \yii\validators\Validator
+class AutonumberValidator extends Validator
 {
     /**
      * @var mixed the default value or a PHP callable that returns the default value which will

Behavior.php

@@ -2,9 +2,8 @@
 
 namespace mdm\autonumber;
 
-use yii\db\StaleObjectException;
+use yii\behaviors\AttributeBehavior;
 use yii\db\BaseActiveRecord;
-use Exception;
 
 /**
  * Behavior use to generate formated autonumber.
@@ -17,8 +16,7 @@
  *         ...
  *         [
  *             'class' => 'mdm\autonumber\Behavior',
- *             'value' => date('Ymd').'.?', // ? will replace with generated number
- *             'digit' => 6, // specify this if you need leading zero for number
+ *             'value' => 'INV-{Ymd}-????', // ? will replace with generated number
  *         ]
  *     ]
  * }
@@ -27,7 +25,7 @@
  * @author Misbahul D Munir <misbahuldmunir@gmail.com>
  * @since 1.0
  */
-class Behavior extends \yii\behaviors\AttributeBehavior
+class Behavior extends AttributeBehavior
 {
     /**
      * @var integer digit number of auto number