[renderjs_ui] CheckboxField converts values correctly to boolean

/reviewed-on nexedi/erp5!398

bt5/erp5_web_renderjs_ui/PathTemplateItem/web_page_module/rjs_gadget_erp5_checkboxfield_js.js

@@ -3,6 +3,19 @@
 (function (window, rJS) {
   "use strict";
 
+  function asBool(obj) {
+    if (typeof obj === "boolean") {
+      return obj;
+    }
+    if (typeof obj === "string") {
+      return obj.toLowerCase() === "true" || obj === "1";
+    }
+    if (typeof obj === "number") {
+      return obj !== 0;
+    }
+    return Boolean(obj);
+  }
+
   rJS(window)
     .setState({
       type: 'checkbox',
@@ -12,7 +25,7 @@
     .declareMethod('render', function (options) {
       var field_json = options.field_json || {},
         state_dict = {
-          checked: field_json.value || field_json.default,
+          checked: asBool(field_json.value || field_json.default),
           editable: field_json.editable,
           name: field_json.key,
           title: field_json.title,

bt5/erp5_web_renderjs_ui/PathTemplateItem/web_page_module/rjs_gadget_erp5_checkboxfield_js.xml

@@ -230,7 +230,7 @@
             </item>
             <item>
                 <key> <string>serial</string> </key>
-                <value> <string>955.51162.4768.35123</string> </value>
+                <value> <string>962.4135.1398.9574</string> </value>
             </item>
             <item>
                 <key> <string>state</string> </key>
@@ -248,7 +248,7 @@
                     </tuple>
                     <state>
                       <tuple>
-                        <float>1482843222.46</float>
+                        <float>1505315155.72</float>
                         <string>UTC</string>
                       </tuple>
                     </state>