Introduced a specific type for field triggering

src/Form/Extension/ParsleyTypeExtension.php

@@ -8,7 +8,7 @@
 use C0ntax\ParsleyBundle\Contracts\ParsleyInterface;
 use C0ntax\ParsleyBundle\Contracts\RemoveInterface;
 use C0ntax\ParsleyBundle\Factory\ConstraintFactory;
-use C0ntax\ParsleyBundle\Parsleys\Directive\Field\Generic;
+use C0ntax\ParsleyBundle\Parsleys\Directive\Field\Trigger;
 use C0ntax\ParsleyBundle\Parsleys\RemoveParsleyConstraint;
 use C0ntax\ParsleyBundle\Parsleys\RemoveSymfonyConstraint;
 use Symfony\Component\Form\AbstractTypeExtension;
@@ -218,7 +218,7 @@ private function addParsleyToView(FormView $view, array $directives)
     {
         $attr = [];
         if (count($directives) > 0 && $this->getConfig()['field']['trigger'] !== null) {
-            $directives[] = new Generic('trigger', $this->getConfig()['field']['trigger']);
+            $directives[] = new Trigger($this->getConfig()['field']['trigger']);
         }
         foreach ($directives as $constraint) {
             foreach ($constraint->getViewAttr() as $key => $value) {

src/Parsleys/Directive/Field/Trigger.php

@@ -0,0 +1,68 @@
+<?php
+declare(strict_types = 1);
+
+namespace C0ntax\ParsleyBundle\Parsleys\Directive\Field;
+
+use C0ntax\ParsleyBundle\Contracts\DirectiveInterface;
+use C0ntax\ParsleyBundle\Parsleys\Directive\Field\Constraint\AbstractConstraint;
+
+/**
+ * Class Trigger
+ *
+ * @package C0ntax\ParsleyBundle\Parsleys\Directive\Field
+ */
+class Trigger implements DirectiveInterface
+{
+    /** @var string */
+    private $key = 'trigger';
+
+    /** @var string */
+    private $value;
+
+    /**
+     * Trigger constructor.
+     *
+     * @param string $value
+     */
+    public function __construct(string $value)
+    {
+        $this->setValue($value);
+    }
+
+    /**
+     * @return array
+     */
+    public function getViewAttr(): array
+    {
+        return [
+            implode('-', [AbstractConstraint::DATA_ATTRIBUTE_PREFIX, $this->getKey()]) => $this->getValue(),
+        ];
+    }
+
+    /**
+     * @return string
+     */
+    private function getKey(): string
+    {
+        return $this->key;
+    }
+
+    /**
+     * @return string
+     */
+    private function getValue(): string
+    {
+        return $this->value;
+    }
+
+    /**
+     * @param string $value
+     * @return Trigger
+     */
+    private function setValue(string $value): Trigger
+    {
+        $this->value = $value;
+
+        return $this;
+    }
+}

tests/Parsleys/Directive/Field/TriggerTest.php

@@ -0,0 +1,34 @@
+<?php
+
+namespace C0ntax\ParsleyBundle\Tests\Parsleys\Directive\Field;
+
+use C0ntax\ParsleyBundle\Parsleys\Directive\Field\Trigger;
+
+class TriggerTest extends \PHPUnit_Framework_TestCase
+{
+    /**
+     * @dataProvider createGetViewAttrTestData
+     */
+    public function testGetViewAttr(string $value, array $expected)
+    {
+        $trigger = new Trigger($value);
+        self::assertEquals($expected, $trigger->getViewAttr());
+    }
+
+    /**
+     * @return array
+     */
+    public function createGetViewAttrTestData(): array
+    {
+        return [
+            [
+                'value' => 'click',
+                'expected' => ['data-parsley-trigger' => 'click'],
+            ],
+            [
+                'value' => 'change focus',
+                'expected' => ['data-parsley-trigger' => 'change focus'],
+            ],
+        ];
+    }
+}