From dafe18707c046b7443402fb97f27421426316ffc Mon Sep 17 00:00:00 2001
From: Minsun <minsun@nanopay.net>
Date: Thu, 4 Feb 2021 22:57:48 -0500
Subject: [PATCH 1/2] wizardletSection

---
 src/foam/u2/wizard/WizardletSection.js | 1 -
 1 file changed, 1 deletion(-)

diff --git a/src/foam/u2/wizard/WizardletSection.js b/src/foam/u2/wizard/WizardletSection.js
index aced2db4f53..03ca9fb0415 100644
--- a/src/foam/u2/wizard/WizardletSection.js
+++ b/src/foam/u2/wizard/WizardletSection.js
@@ -53,7 +53,6 @@ foam.CLASS({
       name: 'isValid',
       class: 'Boolean',
       expression: function (wizardlet$of, data, data$errors_) {
-        if ( ! wizardlet$of ) return true;
         if ( ! data ) return false;
 
         let sectionErrors = [];

From 26f4d454ea155f3d68eed6ede7aac474bb03eb02 Mon Sep 17 00:00:00 2001
From: Minsun <minsun@nanopay.net>
Date: Fri, 5 Feb 2021 14:54:56 -0500
Subject: [PATCH 2/2] temp

---
 .../crunch/FlatteningCapabilityWizardlet.js   | 21 +++++++++++++++++++
 src/foam/u2/wizard/WizardletSection.js        |  1 +
 2 files changed, 22 insertions(+)

diff --git a/src/foam/u2/crunch/FlatteningCapabilityWizardlet.js b/src/foam/u2/crunch/FlatteningCapabilityWizardlet.js
index 8f278d904df..b164dfe065e 100644
--- a/src/foam/u2/crunch/FlatteningCapabilityWizardlet.js
+++ b/src/foam/u2/crunch/FlatteningCapabilityWizardlet.js
@@ -47,9 +47,30 @@ foam.CLASS({
           : prereqSections.concat(sections);
       }
     },
+    {
+      name: 'isValid',
+      class: 'Boolean',
+      expression: function (of, data, delegates, data$errors_) {
+        if ( ! this.of ) return true;
+        for ( let wizardlet of delegates ) {
+          if ( ! wizardlet.isValid ) return false;
+        }
+        if ( data$errors_ && data$errors_.length > 0 ) {
+          return false;
+        }
+        return true;
+      }
+    }
   ],
 
   methods: [
+    function init() {
+      foam.core.ArraySlot.create({
+        slots: this.delegates.map(wizardlet => wizardlet.isValid$)
+      }).sub(() => {
+        this.propertyChange.pub('data', this.data);
+      });
+    },
     function addPrerequisite(wizardlet) {
       // Add prerequisite to delegate wizardlets
       this.delegates.push(wizardlet);
diff --git a/src/foam/u2/wizard/WizardletSection.js b/src/foam/u2/wizard/WizardletSection.js
index 03ca9fb0415..aced2db4f53 100644
--- a/src/foam/u2/wizard/WizardletSection.js
+++ b/src/foam/u2/wizard/WizardletSection.js
@@ -53,6 +53,7 @@ foam.CLASS({
       name: 'isValid',
       class: 'Boolean',
       expression: function (wizardlet$of, data, data$errors_) {
+        if ( ! wizardlet$of ) return true;
         if ( ! data ) return false;
 
         let sectionErrors = [];