MDL-49477 availability_grade-form: checkbox disable problem fixed

Signed-off-by: Viduranga Wijesooriya <[email protected]>

availability/condition/grade/tests/behat/availability_grade.feature

@@ -59,8 +59,22 @@ Feature: availability_grade
     And I set the field "Grade" to "A1"
     And I click on "min" "checkbox" in the ".availability-item" "css_element"
     And I set the field "Minimum grade percentage (inclusive)" to "50"
+    And I click on "max" "checkbox" in the ".availability-item" "css_element"
+    And I set the field "Maximum grade percentage (exclusive)" to "80"
     And I press "Save and return to course"
 
+    # Check if disabling a part of the restriction is get saved.
+    And I open "P3" actions menu
+    And I click on "Edit settings" "link" in the "P3" activity
+    And I expand all fieldsets
+    And I click on "max" "checkbox" in the ".availability-item" "css_element"
+    And I press "Save and return to course"
+    And I open "P3" actions menu
+    And I click on "Edit settings" "link" in the "P3" activity
+    And I expand all fieldsets
+    And the field "Maximum grade percentage (exclusive)" matches value ""
+    And I follow "Course 1"
+
     # Add a Page with a grade condition for 10%.
     And I add a "Page" to section "4"
     And I set the following fields to these values:

availability/condition/grade/yui/build/moodle-availability_grade-form/moodle-availability_grade-form-debug.js

@@ -94,6 +94,7 @@ M.availability_grade.form.getNode = function(json) {
 
         root.delegate('click', function() {
             updateCheckbox(this, true);
+            M.core_availability.form.update();
         }, '.availability_grade input[type=checkbox]');
 
         root.delegate('valuechange', function() {

availability/condition/grade/yui/build/moodle-availability_grade-form/moodle-availability_grade-form.js

@@ -94,6 +94,7 @@ M.availability_grade.form.getNode = function(json) {
 
         root.delegate('click', function() {
             updateCheckbox(this, true);
+            M.core_availability.form.update();
         }, '.availability_grade input[type=checkbox]');
 
         root.delegate('valuechange', function() {

availability/condition/grade/yui/src/form/js/form.js

@@ -92,6 +92,7 @@ M.availability_grade.form.getNode = function(json) {
 
         root.delegate('click', function() {
             updateCheckbox(this, true);
+            M.core_availability.form.update();
         }, '.availability_grade input[type=checkbox]');
 
         root.delegate('valuechange', function() {