Merge pull request #2418 from yiiframework-com-ua/2417-active-form-ajax-data-type

framework/CHANGELOG.md

@@ -109,6 +109,7 @@ Yii Framework 2 Change Log
 - Enh #2240: Improved `yii\web\AssetManager::publish()`, `yii\web\AssetManager::getPublishedPath()` and `yii\web\AssetManager::getPublishedUrl()` to support aliases (vova07)
 - Enh #2325: Adding support for the `X-HTTP-Method-Override` header in `yii\web\Request::getMethod()` (pawzar)
 - Enh #2364: Take into account current error reporting level in error handler (gureedo)
+- Enh #2417: Added possibility to set `dataType` for `$.ajax` call in yii.activeForm.js (Borales)
 - Enh: Added support for using arrays as option values for console commands (qiangxue)
 - Enh: Added `favicon.ico` and `robots.txt` to default application templates (samdark)
 - Enh: Added `Widget::autoIdPrefix` to support prefixing automatically generated widget IDs (qiangxue)

framework/assets/yii.activeForm.js

@@ -45,7 +45,9 @@
 		// function ($form, attribute, messages)
 		afterValidate: undefined,
 		// the GET parameter name indicating an AJAX-based validation
-		ajaxVar: 'ajax'
+		ajaxVar: 'ajax',
+		// the type of data that you're expecting back from the server
+		ajaxDataType: 'json'
 	};
 
 	var attributeDefaults = {
@@ -301,7 +303,7 @@
 				url: data.settings.validationUrl,
 				type: $form.prop('method'),
 				data: $form.serialize() + extData,
-				dataType: 'json',
+				dataType: data.settings.ajaxDataType,
 				success: function (msgs) {
 					if (msgs !== null && typeof msgs === 'object') {
 						$.each(data.attributes, function () {

framework/widgets/ActiveForm.php

@@ -104,6 +104,10 @@ class ActiveForm extends Widget
 	 */
 	public $ajaxVar = 'ajax';
 	/**
+	 * @var string the type of data that you're expecting back from the server.
+	 */
+	public $ajaxDataType = 'json';
+	/**
 	 * @var string|JsExpression a JS callback that will be called when the form is being submitted.
 	 * The signature of the callback should be:
 	 *
@@ -187,6 +191,7 @@ class ActiveForm extends Widget
 			'successCssClass' => $this->successCssClass,
 			'validatingCssClass' => $this->validatingCssClass,
 			'ajaxVar' => $this->ajaxVar,
+			'ajaxDataType' => $this->ajaxDataType,
 		];
 		if ($this->validationUrl !== null) {
 			$options['validationUrl'] = Html::url($this->validationUrl);