Always submit checkboxes that are not checked and force a 0 value (fixes #616)

CHANGELOG.md

@@ -20,6 +20,7 @@
     * Show page title in Delete Confirmation modal if this information is available
     * Don't try to uninstall admin/form/login/email plugins
     * Only check for updates if not `admin.maintenance` or `admin.super` [#557](https://github.com/getgrav/grav-plugin-admin/issues/557)
+    * Always submit checkboxes that are not checked and force a 0 value [#616](https://github.com/getgrav/grav-plugin-admin/issues/616)
 
 # v1.1.0-beta.5
 ## 05/23/2016

themes/grav/app/forms/form.js

@@ -23,6 +23,7 @@ export default class Form {
         this._attachShortcuts();
         this._attachToggleables();
         this._attachDisabledFields();
+        this._submitUncheckedFields();
 
         this.observer = new MutationObserver(this.addedNodes);
         this.form.each((index, form) => this.observer.observe(form, { subtree: true, childList: true }));
@@ -96,6 +97,22 @@ export default class Form {
         });
     }
 
+    _submitUncheckedFields() {
+        this.form.on('submit', () => {
+            let unchecked = this.form.find('input[type="checkbox"]:not(:checked)');
+            if (!unchecked.length) { return true; }
+
+            unchecked.each((index, element) => {
+                element = $(element);
+                let name = element.prop('name');
+                let fake = $(`<input type="hidden" name="${name}" value="0" />`);
+                this.form.append(fake);
+            });
+
+            return true;
+        });
+    }
+
     addedNodes(mutations) {
         mutations.forEach((mutation) => {
             if (mutation.type !== 'childList' || !mutation.addedNodes) { return; }