From 17aa0e40c1af579ac2ee348ffce59a201185c109 Mon Sep 17 00:00:00 2001
From: ptolomaues <vladislav.lutsenko@gmail.com>
Date: Fri, 26 Nov 2021 09:19:50 +0200
Subject: [PATCH] Fix #13105: Add yiiActiveForm validate_only property for
 skipping form auto-submission

---
 framework/CHANGELOG.md             |  1 +
 framework/assets/yii.activeForm.js | 15 +++++++++------
 2 files changed, 10 insertions(+), 6 deletions(-)

diff --git a/framework/CHANGELOG.md b/framework/CHANGELOG.md
index 48ab98f2aa..da783b578f 100644
--- a/framework/CHANGELOG.md
+++ b/framework/CHANGELOG.md
@@ -4,6 +4,7 @@ Yii Framework 2 Change Log
 2.0.44 under development
 ------------------------
 
+- Enh #13105: Add yiiActiveForm validate_only property for skipping form auto-submission (ptolomaues)
 - Enh #18967: Use proper attribute names for tabular data in `yii\widgets\ActiveField::addAriaAttributes()` (AnkIF)
 - Bug #18798: Fix `StringHelper::dirname()` when passing string with a trailing slash (perlexed)
 - Enh #18328: Raise warning when trying to register a file after `View::endPage()` has been called (perlexed)
diff --git a/framework/assets/yii.activeForm.js b/framework/assets/yii.activeForm.js
index ab44e0cbd8..671f6dcc9f 100644
--- a/framework/assets/yii.activeForm.js
+++ b/framework/assets/yii.activeForm.js
@@ -218,6 +218,7 @@
                     attributes: attributes,
                     submitting: false,
                     validated: false,
+                    validate_only: false, // validate without auto submitting
                     options: getFormOptions($form)
                 });
 
@@ -754,12 +755,14 @@
                 data.submitting = false;
             } else {
                 data.validated = true;
-                if (data.submitObject) {
-                    applyButtonOptions($form, data.submitObject);
-                }
-                $form.submit();
-                if (data.submitObject) {
-                    restoreButtonOptions($form);
+                if (!data.validate_only) {
+                    if (data.submitObject) {
+                        applyButtonOptions($form, data.submitObject);
+                    }
+                    $form.submit();
+                    if (data.submitObject) {
+                        restoreButtonOptions($form);
+                    }
                 }
             }
         } else {