erp5_web_renderjs_ui: Improve fields to propagate error_text

* change the label field to not display the error text by default
* change all html5 fields (input, select, textarea) to add a custom *invalid* class when the field is invalid
* change all html5 fields to listen to the `focus` and `blur` event (with the renderjs onEvent method)
  Then, acquire (with `declareAcquiredMethod`) and call `notifyFocus` / `notifyBlur` methods respectively.
* change the label field to handle `notifyFocus` / `notifyBlur` (with `allowPublicAcquisition`).
  Change the validation error text display state depending on the field status
* Trigger onStateChange to set invalid class. If error comes from input field, we need to change state locally to set invalid class
* Regenerate gadget_erp5_nojqm.css from  erp5less.css using http://lesscss.org/less-preview/
* Textarea gadget should not prevent default when invalid event is triggered
* Support notifyFocus and notifyBlur in panel

bt5/erp5_web_renderjs_ui/PathTemplateItem/web_page_module/rjs_gadget_erp5_checkboxfield_js.js

@@ -24,6 +24,7 @@
         id: field_json.key,
         name: field_json.key,
         title: field_json.title,
+        error_text: field_json.error_text,
         hidden: field_json.hidden,
         // Force calling subfield render
         // as user may have modified the input value

bt5/erp5_web_renderjs_ui/PathTemplateItem/web_page_module/rjs_gadget_erp5_checkboxfield_js.xml

@@ -234,7 +234,7 @@
                   </item>
                   <item>
                       <key> <string>serial</string> </key>
-                      <value> <string>982.26919.14719.24132</string> </value>
+                      <value> <string>987.16243.63478.16486</string> </value>
                   </item>
                   <item>
                       <key> <string>state</string> </key>
@@ -252,7 +252,7 @@
                           </tuple>
                           <state>
                             <tuple>
-                              <float>1583764359.91</float>
+                              <float>1602527335.51</float>
                               <string>UTC</string>
                             </tuple>
                           </state>

bt5/erp5_web_renderjs_ui/PathTemplateItem/web_page_module/rjs_gadget_erp5_datetimefield_js.js

@@ -65,6 +65,7 @@
           name: field_json.key,
           key: field_json.key,
           title: field_json.title,
+          error_text: field_json.error_text,
           timezone_style: field_json.timezone_style,
           date_only: field_json.date_only,
           hide_day: field_json.hide_day,
@@ -112,7 +113,8 @@
           editable: gadget.state.editable,
           required: gadget.state.required,
           type: gadget.state.date_only ? "date" : "datetime-local",
-          hidden: gadget.state.hidden
+          hidden: gadget.state.hidden,
+          error_text: modification_dict.error_text
         },
         select_state = {
           name: gadget.state.key + '_select',
@@ -120,7 +122,8 @@
           item_list: ZONE_LIST,
           editable: gadget.state.editable,
           required: gadget.state.required,
-          hidden: gadget.state.hidden
+          hidden: gadget.state.hidden,
+          error_text: modification_dict.error_text
               // name: field_json.key,
               // title: field_json.title
         },

bt5/erp5_web_renderjs_ui/PathTemplateItem/web_page_module/rjs_gadget_erp5_datetimefield_js.xml

@@ -228,7 +228,7 @@
                   </item>
                   <item>
                       <key> <string>serial</string> </key>
-                      <value> <string>983.56055.11203.16827</string> </value>
+                      <value> <string>986.51894.21525.38502</string> </value>
                   </item>
                   <item>
                       <key> <string>state</string> </key>
@@ -246,8 +246,8 @@
                           </tuple>
                           <state>
                             <tuple>
-                              <float>1589358221.58</float>
-                              <string>GMT+0</string>
+                              <float>1600894302.31</float>
+                              <string>UTC</string>
                             </tuple>
                           </state>
                         </object>

bt5/erp5_web_renderjs_ui/PathTemplateItem/web_page_module/rjs_gadget_erp5_field_formbox_js.js

@@ -20,8 +20,7 @@
     .declareAcquiredMethod("jio_getAttachment", "jio_getAttachment")
 
     .declareMethod('render', function (options) {
-      var element = this.element,
-        gadget = this,
+      var gadget = this,
         field_json = options.field_json || {},
         new_state = {
           value: field_json.value || field_json['default'] || "",
@@ -44,7 +43,7 @@
       return gadget.changeState(new_state);
     })
 
-    .onStateChange(function (modification_dict) {
+    .onStateChange(function () {
       var gadget = this,
         erp5_document_uri = new URI(gadget.state.erp5_embedded_document._view._links.traversed_document.href),
         form_options = {

bt5/erp5_web_renderjs_ui/PathTemplateItem/web_page_module/rjs_gadget_erp5_field_formbox_js.xml

@@ -220,7 +220,7 @@
                   </item>
                   <item>
                       <key> <string>actor</string> </key>
-                      <value> <string>superkato</string> </value>
+                      <value> <string>zope</string> </value>
                   </item>
                   <item>
                       <key> <string>comment</string> </key>
@@ -234,7 +234,7 @@
                   </item>
                   <item>
                       <key> <string>serial</string> </key>
-                      <value> <string>967.35221.49309.22852</string> </value>
+                      <value> <string>986.61483.49376.1638</string> </value>
                   </item>
                   <item>
                       <key> <string>state</string> </key>
@@ -252,7 +252,7 @@
                           </tuple>
                           <state>
                             <tuple>
-                              <float>1526316882.68</float>
+                              <float>1601393999.02</float>
                               <string>UTC</string>
                             </tuple>
                           </state>

bt5/erp5_web_renderjs_ui/PathTemplateItem/web_page_module/rjs_gadget_erp5_floatfield_js.js

@@ -35,6 +35,7 @@
           name: field_json.key,
           title: field_json.title,
           precision: window.parseFloat(field_json.precision),
+          error_text: field_json.error_text,
           // erp5 always put value into "default" (never "value")
           value: window.parseFloat(field_json.default),
           text_content: '',

bt5/erp5_web_renderjs_ui/PathTemplateItem/web_page_module/rjs_gadget_erp5_floatfield_js.xml

@@ -234,7 +234,7 @@
                   </item>
                   <item>
                       <key> <string>serial</string> </key>
-                      <value> <string>983.35869.13162.60928</string> </value>
+                      <value> <string>986.14570.51196.18756</string> </value>
                   </item>
                   <item>
                       <key> <string>state</string> </key>
@@ -252,8 +252,8 @@
                           </tuple>
                           <state>
                             <tuple>
-                              <float>1599097800.89</float>
-                              <string>GMT+2</string>
+                              <float>1598579261.92</float>
+                              <string>UTC</string>
                             </tuple>
                           </state>
                         </object>

bt5/erp5_web_renderjs_ui/PathTemplateItem/web_page_module/rjs_gadget_erp5_integerfield_js.js

@@ -17,6 +17,7 @@
           editable: field_json.editable,
           required: field_json.required,
           id: field_json.key,
+          error_text: options.field_json.error_text || "",
           name: field_json.key,
           title: field_json.title,
           hidden: field_json.hidden,

bt5/erp5_web_renderjs_ui/PathTemplateItem/web_page_module/rjs_gadget_erp5_integerfield_js.xml

@@ -234,7 +234,7 @@
                   </item>
                   <item>
                       <key> <string>serial</string> </key>
-                      <value> <string>965.12118.35525.1655</string> </value>
+                      <value> <string>986.11537.50394.34935</string> </value>
                   </item>
                   <item>
                       <key> <string>state</string> </key>
@@ -252,7 +252,7 @@
                           </tuple>
                           <state>
                             <tuple>
-                              <float>1517930232.43</float>
+                              <float>1598397556.71</float>
                               <string>UTC</string>
                             </tuple>
                           </state>

bt5/erp5_web_renderjs_ui/PathTemplateItem/web_page_module/rjs_gadget_erp5_label_field_js.js

-/*global window, document, rJS */
+/*global window, document, rJS*/
 /*jslint indent: 2, maxerr: 3 */
 /**
  * Label gadget takes care of displaying validation errors and label.
@@ -80,6 +80,7 @@
       error_text: '',
       label: true,  // the label element is already present in the HTML template
       css_class: '',
+      display_error_text: false,
       first_call: false
     })
 
@@ -101,6 +102,7 @@
         state_dict.label = true;
       }
       return this.changeState(state_dict);
+
     })
 
     .onStateChange(function onStateChange(modification_dict) {
@@ -110,15 +112,13 @@
         i,
         queue,
         new_div;
-
       if (modification_dict.hasOwnProperty('first_call')) {
         gadget.props = {
           container_element: gadget.element.querySelector('div'),
           label_element: gadget.element.querySelector('label')
         };
       }
-
-      if (gadget.state.hidden && !modification_dict.error_text) {
+      if (gadget.state.hidden && !gadget.state.error_text) {
         this.element.hidden = true;
       } else {
         this.element.hidden = false;
@@ -136,14 +136,31 @@
         }
       }
 
-      if (modification_dict.hasOwnProperty('error_text')) {
+      // Remove/add label_element from DOM
+      if (modification_dict.hasOwnProperty('label')) {
+        if (this.state.label === true) {
+          this.props.container_element.insertBefore(this.props.label_element, this.props.container_element.firstChild);
+        } else {
+          this.props.container_element.removeChild(this.props.label_element);
+        }
+      }
+
+      if (this.state.error_text && this.props.label_element &&
+          !this.props.label_element.classList.contains("is-invalid")) {
+        this.props.label_element.classList.add("is-invalid");
+      } else if (!this.state.error_text &&
+                 this.props.label_element.classList.contains("is-invalid")) {
+        this.props.label_element.classList.remove("is-invalid");
+      }
+
+      if (modification_dict.hasOwnProperty('display_error_text') || modification_dict.hasOwnProperty('error_text')) {
         // first remove old errors
         span = this.props.container_element.lastElementChild;
         if ((span !== null) && (span.tagName.toLowerCase() !== 'span')) {
           span = null;
         }
         // display new error if present
-        if (this.state.error_text) {
+        if (this.state.error_text && this.state.display_error_text) {
           if (span === null) {
             span = document.createElement('span');
             span.textContent = this.state.error_text;
@@ -151,17 +168,10 @@
           } else {
             span.textContent = this.state.error_text;
           }
-        } else if (span !== null) {
-          this.props.container_element.removeChild(span);
-        }
-      }
-
-      // Remove/add label_element from DOM
-      if (modification_dict.hasOwnProperty('label')) {
-        if (this.state.label === true) {
-          this.props.container_element.insertBefore(this.props.label_element, this.props.container_element.firstChild);
         } else {
-          this.props.container_element.removeChild(this.props.label_element);
+          if (span !== null) {
+            this.props.container_element.removeChild(span);
+          }
         }
       }
 
@@ -199,6 +209,7 @@
             });
         }
       }
+
     })
 
     .declareMethod("checkValidity", function checkValidity() {
@@ -231,6 +242,14 @@
         });
     }, {mutex: 'changestate'})
 
+    .allowPublicAcquisition("notifyFocus", function notifyFocus() {
+      return this.changeState({display_error_text: true});
+    })
+
+    .allowPublicAcquisition("notifyBlur", function notifyBlur() {
+      return this.changeState({display_error_text: false});
+    })
+
     .allowPublicAcquisition("notifyInvalid", function notifyInvalid(param_list) {
       // Label doesn't know when a subgadget calls notifyInvalid
       // Prevent mutex dead lock by defering the changeState call

bt5/erp5_web_renderjs_ui/PathTemplateItem/web_page_module/rjs_gadget_erp5_label_field_js.xml

@@ -234,7 +234,7 @@
                   </item>
                   <item>
                       <key> <string>serial</string> </key>
-                      <value> <string>984.41193.2075.29252</string> </value>
+                      <value> <string>987.16240.14459.45960</string> </value>
                   </item>
                   <item>
                       <key> <string>state</string> </key>
@@ -252,7 +252,7 @@
                           </tuple>
                           <state>
                             <tuple>
-                              <float>1596116391.77</float>
+                              <float>1602525354.74</float>
                               <string>UTC</string>
                             </tuple>
                           </state>

bt5/erp5_web_renderjs_ui/PathTemplateItem/web_page_module/rjs_gadget_erp5_listfield_js.js

@@ -23,6 +23,7 @@
           title: field_json.title,
           first_item: field_json.first_item,
           hidden: field_json.hidden,
+          error_text: field_json.error_text,
           // Force calling subfield render
           // as user may have modified the input value
           render_timestamp: new Date().getTime()

bt5/erp5_web_renderjs_ui/PathTemplateItem/web_page_module/rjs_gadget_erp5_listfield_js.xml

@@ -234,7 +234,7 @@
                   </item>
                   <item>
                       <key> <string>serial</string> </key>
-                      <value> <string>979.41914.53909.44561</string> </value>
+                      <value> <string>986.42821.5680.17442</string> </value>
                   </item>
                   <item>
                       <key> <string>state</string> </key>
@@ -252,7 +252,7 @@
                           </tuple>
                           <state>
                             <tuple>
-                              <float>1573126833.72</float>
+                              <float>1600275350.99</float>
                               <string>UTC</string>
                             </tuple>
                           </state>

bt5/erp5_web_renderjs_ui/PathTemplateItem/web_page_module/rjs_gadget_erp5_multicheckboxfield_js.js

@@ -3,7 +3,7 @@
 (function (window, rJS, RSVP, document) {
   'use strict';
 
-  function appendCheckboxField(gadget, item, checked) {
+  function appendCheckboxField(gadget, item, checked, error_text) {
     var input_gadget,
       label_gadget;
     if (!gadget.state.editable) {
@@ -13,7 +13,8 @@
             label_gadget = result;
             return result.render({
               tag: 'p',
-              text_content: item[0]
+              text_content: item[0],
+              error_text: error_text
             });
           })
           .push(function () {
@@ -35,6 +36,7 @@
           value: item[1],
           checked: checked,
           editable: true,
+          error_text: error_text,
           hidden: gadget.state.hidden
         };
 
@@ -47,19 +49,24 @@
         label.appendChild(input_gadget.element);
         label.appendChild(text_node);
         div.appendChild(label);
+        if (error_text && !label.classList.contains("is-invalid")) {
+          label.classList.add("is-invalid");
+        } else if (!error_text && label.classList.contains("is-invalid")) {
+          label.classList.remove("is-invalid");
+        }
         gadget.element.appendChild(div);
       });
   }
 
   rJS(window)
-
     .declareMethod('render', function (options) {
       var field_json = options.field_json || {},
         state_dict = {
           editable: field_json.editable,
           name: field_json.key,
           item_list: field_json.items,
-          value_list: field_json.value || field_json.default,
+          value_list: field_json.value || field_json["default"],
+          error_text: field_json.error_text,
           hidden: field_json.hidden,
           // Force calling subfield render
           // as user may have modified the input value
@@ -94,11 +101,13 @@
             return appendCheckboxField.apply(this, argument_list);
           });
       }
-
       queue = new RSVP.Queue();
 
       for (i = 0; i < item_list.length; i += 1) {
-        enQueue(gadget, item_list[i], value_dict.hasOwnProperty(item_list[i][1]));
+        enQueue(gadget,
+                item_list[i],
+                value_dict.hasOwnProperty(item_list[i][1]),
+                this.state.error_text);
       }
 
       return queue;
@@ -149,13 +158,6 @@
     }, {mutex: 'changestate'})
 
     .declareMethod('checkValidity', function () {
-      var name = this.state.name;
-      if (this.state.editable && this.state.required) {
-        return this.getContent()
-          .push(function (result) {
-            return result[name].length !== 0;
-          });
-      }
       return true;
     });
 

bt5/erp5_web_renderjs_ui/PathTemplateItem/web_page_module/rjs_gadget_erp5_multicheckboxfield_js.xml

@@ -234,7 +234,7 @@
                   </item>
                   <item>
                       <key> <string>serial</string> </key>
-                      <value> <string>971.50596.31143.27050</string> </value>
+                      <value> <string>987.29075.27892.56422</string> </value>
                   </item>
                   <item>
                       <key> <string>state</string> </key>
@@ -252,7 +252,7 @@
                           </tuple>
                           <state>
                             <tuple>
-                              <float>1542818919.2</float>
+                              <float>1603296350.21</float>
                               <string>UTC</string>
                             </tuple>
                           </state>

bt5/erp5_web_renderjs_ui/PathTemplateItem/web_page_module/rjs_gadget_erp5_nojqm_css.css

@@ -8,7 +8,7 @@
 * Shared
 **********************************************/
 /**********************************************
-* http://meyerweb.com/eric/tools/css/reset/ 
+* http://meyerweb.com/eric/tools/css/reset/
 *   v2.0 | 20110126
 *   License: none (public domain)
 **********************************************/
@@ -329,14 +329,23 @@ select:focus {
 }
 input:not([type=submit]):not([type=file]):not([type=checkbox]):not([type=radio]):not([type=color]):invalid,
 textarea:invalid,
-select:invalid {
+select:invalid,
+input:not([type=submit]):not([type=file]):not([type=checkbox]):not([type=radio]):not([type=color]).is-invalid,
+textarea.is-invalid,
+select.is-invalid {
   border: 1px solid #FF6600;
 }
 input:not([type=submit]):not([type=file]):not([type=checkbox]):not([type=radio]):not([type=color]):invalid:focus,
 textarea:invalid:focus,
-select:invalid:focus {
+select:invalid:focus,
+input:not([type=submit]):not([type=file]):not([type=checkbox]):not([type=radio]):not([type=color]).is-invalid:focus,
+textarea.is-invalid:focus,
+select.is-invalid:focus {
   box-shadow: 0 0 12pt #FF6600;
 }
+label.is-invalid {
+  color: #FF6600;
+}
 input[type="search"] {
   -webkit-appearance: textfield;
 }
@@ -1174,7 +1183,7 @@ div[data-gadget-scope='header'] .ui-header ul {
     padding-left: 24pt;
   }
 }
-.gadget-content .ui-field-contain > label {
+.gadget-content .ui-field-contain > label:not(:is-invalid) {
   color: hsl(0, 0%, 42%);
 }
 .gadget-content .required > .ui-field-contain > label {
@@ -3266,4 +3275,4 @@ hmtl .ui-icon-carat-u::before {
 }
 .ui-icon-clone::before {
   content: "\f24d";
-}
+}
\ No newline at end of file

bt5/erp5_web_renderjs_ui/PathTemplateItem/web_page_module/rjs_gadget_erp5_nojqm_css.xml

@@ -244,7 +244,7 @@
                   </item>
                   <item>
                       <key> <string>serial</string> </key>
-                      <value> <string>988.2056.8848.16469</string> </value>
+                      <value> <string>987.16008.2576.23808</string> </value>
                   </item>
                   <item>
                       <key> <string>state</string> </key>
@@ -262,7 +262,7 @@
                           </tuple>
                           <state>
                             <tuple>
-                              <float>1605606512.05</float>
+                              <float>1602511207.11</float>
                               <string>UTC</string>
                             </tuple>
                           </state>

bt5/erp5_web_renderjs_ui/PathTemplateItem/web_page_module/rjs_gadget_erp5_panel_js.js

@@ -347,6 +347,19 @@
       }
     }, false, false)
 
+    .allowPublicAcquisition("notifyFocus", function notifyFocus() {
+      // All html5 fields in ERP5JS triggers this method when focus
+      // is triggered. This is usefull to display error text.
+      // But, in the case of panel, we don't need to handle anything.
+      return;
+    })
+    .allowPublicAcquisition("notifyBlur", function notifyFocus() {
+      // All html5 fields in ERP5JS triggers this method when blur
+      // is triggered now. This is usefull to display error text.
+      // But, in the case of panel, we don't need to handle anything.
+      return;
+    })
+
     .allowPublicAcquisition('notifyChange', function notifyChange(
       argument_list,
       scope

bt5/erp5_web_renderjs_ui/PathTemplateItem/web_page_module/rjs_gadget_erp5_panel_js.xml

@@ -234,7 +234,7 @@
                   </item>
                   <item>
                       <key> <string>serial</string> </key>
-                      <value> <string>986.45400.41413.45892</string> </value>
+                      <value> <string>987.27464.21813.55483</string> </value>
                   </item>
                   <item>
                       <key> <string>state</string> </key>
@@ -252,7 +252,7 @@
                           </tuple>
                           <state>
                             <tuple>
-                              <float>1600429015.37</float>
+                              <float>1604411452.55</float>
                               <string>UTC</string>
                             </tuple>
                           </state>

bt5/erp5_web_renderjs_ui/PathTemplateItem/web_page_module/rjs_gadget_erp5_radiofield_js.js

@@ -3,7 +3,7 @@
 (function (window, rJS, RSVP) {
   "use strict";
 
-  function appendCheckboxField(gadget, item) {
+  function appendCheckboxField(gadget, item, error_text) {
     var input_gadget;
     return gadget.declareGadget('gadget_html5_input.html', {scope: item[1], element: 'span'})
       .push(function (result) {
@@ -13,6 +13,7 @@
           name: gadget.state.name,
           value: item[1],
           editable: true,
+          error_text: error_text,
           hidden: gadget.state.hidden
         };
         if (item[1] === gadget.state.value) {
@@ -24,6 +25,11 @@
         var label = document.createElement("label");
         label.textContent = item[0];
         label.insertBefore(input_gadget.element, label.firstChild);
+        if (error_text && !label.classList.contains("is-invalid")) {
+          label.classList.add("is-invalid");
+        } else if (!error_text && label.classList.contains("is-invalid")) {
+          label.classList.remove("is-invalid");
+        }
         gadget.element.appendChild(label);
       });
   }
@@ -39,6 +45,7 @@
           select_first_item: field_json.select_first_item,
           required: field_json.required,
           editable: field_json.editable,
+          error_text: field_json.error_text,
           name: field_json.key,
           title: field_json.title,
           item_list: field_json.items,
@@ -82,7 +89,7 @@
         queue = new RSVP.Queue();
 
         for (i = 0; i < item_list.length; i += 1) {
-          enQueue(gadget, item_list[i]);
+          enQueue(gadget, item_list[i], this.state.error_text);
         }
 
       } else {
@@ -152,10 +159,18 @@
       return final_result;
     }, {mutex: 'changestate'})
 
+    .declareJob('deferErrorText', function deferErrorText(error_text) {
+      var input = this.element.querySelector("input");
+      return this.changeState({
+        error_text: error_text
+      });
+    })
+
     .declareMethod('checkValidity', function () {
       var name = this.state.name,
         gadget = this,
         empty;
+
       if (this.state.editable && this.state.required) {
         return new RSVP.Queue()
           .push(function () {
@@ -169,7 +184,10 @@
               error_message = all_result[1];
             empty = !content[name];
             if (empty) {
-              return gadget.notifyInvalid(error_message);
+              return RSVP.all([
+                gadget.deferErrorText(error_message),
+                gadget.notifyInvalid(error_message)
+              ]);
             }
             return gadget.notifyValid();
           })
@@ -179,4 +197,5 @@
       }
       return true;
     });
+
 }(window, rJS, RSVP));
\ No newline at end of file

bt5/erp5_web_renderjs_ui/PathTemplateItem/web_page_module/rjs_gadget_erp5_radiofield_js.xml

@@ -220,7 +220,7 @@
                   </item>
                   <item>
                       <key> <string>actor</string> </key>
-                      <value> <string>valentin</string> </value>
+                      <value> <string>zope</string> </value>
                   </item>
                   <item>
                       <key> <string>comment</string> </key>
@@ -234,7 +234,7 @@
                   </item>
                   <item>
                       <key> <string>serial</string> </key>
-                      <value> <string>976.61321.38056.58231</string> </value>
+                      <value> <string>987.16084.46356.54801</string> </value>
                   </item>
                   <item>
                       <key> <string>state</string> </key>
@@ -252,7 +252,7 @@
                           </tuple>
                           <state>
                             <tuple>
-                              <float>1562581079.03</float>
+                              <float>1602516004.43</float>
                               <string>UTC</string>
                             </tuple>
                           </state>

bt5/erp5_web_renderjs_ui/PathTemplateItem/web_page_module/rjs_gadget_erp5_relation_input_js.js

@@ -149,6 +149,7 @@
         key: options.key,
         view: options.view,
         search_view: options.search_view,
+        error_text: options.error_text || "",
         url: options.url,
         allow_creation: options.allow_creation,
         portal_types: JSON.stringify(options.portal_types),
@@ -231,8 +232,19 @@
         // First display of the input
         buildEditableInputHTML(gadget);
       }
-
       input = gadget.element.querySelector("input");
+      if (gadget.state.error_text &&
+          !input.classList.contains("is-invalid")) {
+        input.classList.add("is-invalid");
+      } else if (
+        // value_portal_type not empty means that user
+        // wants to create a Document
+        (!gadget.state.error_text || gadget.state.value_portal_type) &&
+          input.classList.contains("is-invalid")
+      ) {
+        input.classList.remove("is-invalid");
+      }
+
       if (modification_dict.hasOwnProperty("value_text")) {
         input.value = gadget.state.value_text;
       }
@@ -417,6 +429,14 @@
                   "Invalid Search Criteria"
                 ])
                   .push(function (translation_list) {
+                    if (gadget.state.error_text !== translation_list[0]) {
+                      // Avoid call deferErrorText if error_text is already set
+                      // Otherwise, onStateChange will run forever
+                      return RSVP.all([
+                        gadget.deferErrorText(translation_list[0]),
+                        gadget.notifyInvalid(translation_list[0])
+                      ]);
+                    }
                     return gadget.notifyInvalid(translation_list[0]);
                   });
               }
@@ -429,9 +449,25 @@
                 ])
                   .push(function (translation_list) {
                     if (error.target.status === 0) {
+                      if (gadget.state.error_text !== translation_list[0]) {
+                        // Avoid call deferErrorText if error_text is already
+                        // set. Otherwise, onStateChange will run forever
+                        return RSVP.all([
+                          gadget.deferErrorText(translation_list[0]),
+                          gadget.notifyInvalid(translation_list[0])
+                        ]);
+                      }
                       return gadget.notifyInvalid(translation_list[0]);
                     }
                     if (error.target.status >= 500) {
+                      if (gadget.state.error_text !== translation_list[0]) {
+                        // Avoid call deferErrorText if error_text is already
+                        // set. Otherwise, onStateChange will run forever
+                        return RSVP.all([
+                          gadget.deferErrorText(translation_list[1]),
+                          gadget.notifyInvalid(translation_list[1])
+                        ]);
+                      }
                       return gadget.notifyInvalid(translation_list[1]);
                     }
                     throw error;
@@ -513,6 +549,7 @@
       }
     }, false, false)
 
+    .declareAcquiredMethod("notifyBlur", "notifyBlur")
     .onEvent('blur', function (evt) {
       var gadget = this;
       if (evt.target.tagName.toLowerCase() === 'input') {
@@ -525,22 +562,27 @@
             return gadget.changeState({
               has_focus: false
             });
+          })
+          .push(function () {
+            return gadget.notifyBlur();
           });
       }
     }, true, false)
 
+    .declareAcquiredMethod("notifyFocus", "notifyFocus")
     .onEvent('focus', function (evt) {
       var gadget = this;
       if (evt.target.tagName.toLowerCase() === 'input') {
-        return gadget.changeState({
-          has_focus: true
-        });
+        return RSVP.all([
+          gadget.notifyFocus(),
+          gadget.changeState({has_focus: true})
+        ]);
       }
     }, true, false)
 
+    .declareAcquiredMethod("notifyValid", "notifyValid")
     .declareMethod('checkValidity', function () {
       var gadget = this;
-
       if ((this.state.value_text) && (
           (this.state.value_relative_url === null) &&
             (this.state.value_uid === null) &&
@@ -548,19 +590,34 @@
         )) {
         return gadget.translate("No such document was found")
           .push(function (error_message) {
-            return gadget.notifyInvalid(error_message);
+            return RSVP.all([
+              gadget.deferErrorText(error_message),
+              gadget.notifyInvalid(error_message)
+            ]);
           })
           .push(function () {
             return false;
           });
       }
-      return true;
+      return gadget.notifyValid()
+        .push(function () {
+          return true;
+        });
     }, {mutex: 'changestate'})
 
+    .declareJob('deferErrorText', function deferErrorText(error_text) {
+      return this.changeState({
+        error_text: error_text
+      });
+    })
+
     // XXX Use html5 input
     .onEvent('invalid', function (evt) {
       // invalid event does not bubble
-      return this.notifyInvalid(evt.target.validationMessage);
+      return RSVP.all([
+        this.deferErrorText(evt.target.validationMessage),
+        this.notifyInvalid(evt.target.validationMessage)
+      ]);
     }, true, false)
 
     .onEvent('change', function () {
@@ -569,22 +626,25 @@
 
 
     .onEvent('input', function (event) {
+      var gadget = this;
       if (!this.state.editable) {
         return;
       }
-
-      var context = this;
       return this.changeState({
         value_text: event.target.value,
         value_relative_url: null,
         value_uid: null,
         value_portal_type: null,
-        has_focus: true
+        has_focus: true,
+        error_text: ""
       })
         .push(function () {
-          return context.notifyChange();
+          return RSVP.all([
+            gadget.notifyValid(),
+            gadget.notifyChange()
+          ]);
         });
     }, true, false);
 
 }(window, rJS, RSVP, URI, document,
-  SimpleQuery, ComplexQuery, Query, QueryFactory, XMLHttpRequest, console));
+  SimpleQuery, ComplexQuery, Query, QueryFactory, XMLHttpRequest, console));
\ No newline at end of file

bt5/erp5_web_renderjs_ui/PathTemplateItem/web_page_module/rjs_gadget_erp5_relation_input_js.xml

@@ -69,9 +69,7 @@
         </item>
         <item>
             <key> <string>content_type</string> </key>
-            <value>
-              <none/>
-            </value>
+            <value> <string>text/javascript</string> </value>
         </item>
         <item>
             <key> <string>default_reference</string> </key>
@@ -240,7 +238,7 @@
                   </item>
                   <item>
                       <key> <string>serial</string> </key>
-                      <value> <string>983.6083.54777.37051</string> </value>
+                      <value> <string>987.36268.43767.1126</string> </value>
                   </item>
                   <item>
                       <key> <string>state</string> </key>
@@ -258,7 +256,7 @@
                           </tuple>
                           <state>
                             <tuple>
-                              <float>1586446542.77</float>
+                              <float>1603726868.97</float>
                               <string>UTC</string>
                             </tuple>
                           </state>

bt5/erp5_web_renderjs_ui/PathTemplateItem/web_page_module/rjs_gadget_erp5_relationstringfield_js.js

@@ -22,6 +22,7 @@
             title: field_json.title,
             key: field_json.key,
             view: field_json.view,
+            error_text: field_json.error_text,
             search_view: field_json.search_view,
             url: field_json.url,
             allow_creation: field_json.allow_creation,

bt5/erp5_web_renderjs_ui/PathTemplateItem/web_page_module/rjs_gadget_erp5_relationstringfield_js.xml

@@ -234,7 +234,7 @@
                   </item>
                   <item>
                       <key> <string>serial</string> </key>
-                      <value> <string>970.13790.51027.29644</string> </value>
+                      <value> <string>986.41646.43198.36846</string> </value>
                   </item>
                   <item>
                       <key> <string>state</string> </key>
@@ -252,7 +252,7 @@
                           </tuple>
                           <state>
                             <tuple>
-                              <float>1539872919.1</float>
+                              <float>1600685092.05</float>
                               <string>UTC</string>
                             </tuple>
                           </state>

bt5/erp5_web_renderjs_ui/PathTemplateItem/web_page_module/rjs_gadget_erp5_searchfield_js.js

@@ -210,6 +210,19 @@
         });
     }, {mutex: 'changestate'})
 
+    .allowPublicAcquisition("notifyFocus", function notifyFocus() {
+      // All html5 fields in ERP5JS triggers this method when focus
+      // is triggered. This is usefull to display error text.
+      // But, in the case of panel, we don't need to handle anything.
+      return;
+    })
+    .allowPublicAcquisition("notifyBlur", function notifyFocus() {
+      // All html5 fields in ERP5JS triggers this method when blur
+      // is triggered now. This is usefull to display error text.
+      // But, in the case of panel, we don't need to handle anything.
+      return;
+    })
+
     .declareAcquiredMethod("triggerSubmit", "triggerSubmit")
     .onEvent('click', function (evt) {
       if ((evt.target.nodeType === Node.ELEMENT_NODE) &&

bt5/erp5_web_renderjs_ui/PathTemplateItem/web_page_module/rjs_gadget_erp5_searchfield_js.xml

@@ -234,7 +234,7 @@
                   </item>
                   <item>
                       <key> <string>serial</string> </key>
-                      <value> <string>969.37531.32072.23688</string> </value>
+                      <value> <string>987.27464.21813.55483</string> </value>
                   </item>
                   <item>
                       <key> <string>state</string> </key>
@@ -252,7 +252,7 @@
                           </tuple>
                           <state>
                             <tuple>
-                              <float>1536936754.19</float>
+                              <float>1604428536.71</float>
                               <string>UTC</string>
                             </tuple>
                           </state>

bt5/erp5_web_renderjs_ui/PathTemplateItem/web_page_module/rjs_gadget_erp5_stringfield_js.js

-/*global window, rJS */
+/*global window, document, rJS */
 /*jslint indent: 2, maxerr: 3 */
-(function (window, rJS) {
+(function (window, document, rJS) {
   "use strict";
 
   rJS(window)
@@ -16,6 +16,7 @@
           required: field_json.required,
           id: field_json.key,
           name: field_json.key,
+          error_text: field_json.error_text,
           title: field_json.title,
           hidden: field_json.hidden,
           trim: true,
@@ -72,4 +73,4 @@
       return true;
     }, {mutex: 'changestate'});
 
-}(window, rJS));
+}(window, document, rJS));
\ No newline at end of file

bt5/erp5_web_renderjs_ui/PathTemplateItem/web_page_module/rjs_gadget_erp5_stringfield_js.xml

@@ -234,7 +234,7 @@
                   </item>
                   <item>
                       <key> <string>serial</string> </key>
-                      <value> <string>965.41976.11439.18449</string> </value>
+                      <value> <string>986.42689.22481.46592</string> </value>
                   </item>
                   <item>
                       <key> <string>state</string> </key>
@@ -252,7 +252,7 @@
                           </tuple>
                           <state>
                             <tuple>
-                              <float>1526396915.47</float>
+                              <float>1600380471.64</float>
                               <string>UTC</string>
                             </tuple>
                           </state>

bt5/erp5_web_renderjs_ui/PathTemplateItem/web_page_module/rjs_gadget_erp5_textareafield_js.js

@@ -14,6 +14,7 @@
           editable: field_json.editable,
           name: field_json.key,
           id: field_json.key,
+          error_text: field_json.error_text,
           title: field_json.title,
           hidden: field_json.hidden,
           // Force calling subfield render

bt5/erp5_web_renderjs_ui/PathTemplateItem/web_page_module/rjs_gadget_erp5_textareafield_js.xml

@@ -240,7 +240,7 @@
                   </item>
                   <item>
                       <key> <string>serial</string> </key>
-                      <value> <string>965.12118.35525.1655</string> </value>
+                      <value> <string>986.42841.34859.34594</string> </value>
                   </item>
                   <item>
                       <key> <string>state</string> </key>
@@ -258,7 +258,7 @@
                           </tuple>
                           <state>
                             <tuple>
-                              <float>1517927278.74</float>
+                              <float>1600277966.0</float>
                               <string>UTC</string>
                             </tuple>
                           </state>

bt5/erp5_web_renderjs_ui/PathTemplateItem/web_page_module/rjs_gadget_html5_element_js.js

@@ -96,6 +96,17 @@
       }
       return data;
     })
+
+    .declareAcquiredMethod("notifyFocus", "notifyFocus")
+    .onEvent('focus', function focus() {
+      return this.notifyFocus();
+    }, true, false)
+
+    .declareAcquiredMethod("notifyBlur", "notifyBlur")
+    .onEvent('blur', function blur() {
+      return this.notifyBlur();
+    }, true, false)
+
     .declareMethod("checkValidity", function checkValidity() {
       return true;
     });

bt5/erp5_web_renderjs_ui/PathTemplateItem/web_page_module/rjs_gadget_html5_element_js.xml

@@ -228,7 +228,7 @@
                   </item>
                   <item>
                       <key> <string>serial</string> </key>
-                      <value> <string>982.42532.14902.56951</string> </value>
+                      <value> <string>986.41601.40161.17629</string> </value>
                   </item>
                   <item>
                       <key> <string>state</string> </key>
@@ -246,7 +246,7 @@
                           </tuple>
                           <state>
                             <tuple>
-                              <float>1584701796.37</float>
+                              <float>1601393849.37</float>
                               <string>UTC</string>
                             </tuple>
                           </state>

bt5/erp5_web_renderjs_ui/PathTemplateItem/web_page_module/rjs_gadget_html5_input_js.js

@@ -29,6 +29,7 @@
         type: options.type || 'text',
         title: options.title,
         focus: options.focus,
+        error_text: options.error_text || "",
         step: options.step,
         hidden: options.hidden,
         trim: options.trim || false,
@@ -43,13 +44,13 @@
     .onStateChange(function onStateChange(modification_dict) {
       var textarea = this.element.querySelector('input'),
         tmp; // general use short-scope variable
-
       if (this.state.type === 'checkbox') {
         textarea.checked = this.state.checked;
       } else {
         textarea.setAttribute('value', this.state.value);
         textarea.value = this.state.value;
       }
+
       if (this.state.type === 'radio') {
         textarea.checked = this.state.checked;
       }
@@ -86,7 +87,7 @@
         textarea.readonly = false;
       }
 
-      if (this.state.hidden) {
+      if (this.state.hidden && !modification_dict.error_text) {
         textarea.hidden = true;
       } else {
         textarea.hidden = false;
@@ -117,6 +118,15 @@
         this.element.insertBefore(tmp, textarea);
         tmp = undefined;
       }
+
+      if (this.state.error_text &&
+          !textarea.classList.contains("is-invalid")) {
+        textarea.classList.add("is-invalid");
+      } else if (!this.state.error_text &&
+                 textarea.classList.contains("is-invalid")) {
+        textarea.classList.remove("is-invalid");
+      }
+
     })
 
     .declareService(function focus() {
@@ -176,15 +186,24 @@
 
     .declareAcquiredMethod("notifyValid", "notifyValid")
     .declareMethod('checkValidity', function checkValidity() {
-      var result = this.element.querySelector('input').checkValidity(),
+      var input = this.element.querySelector('input'),
+        result = input.checkValidity(),
         gadget = this;
+
+      if (gadget.state.type === "radio") {
+        result = result && !gadget.state.error_text;
+      }
+
       if (result) {
-        return this.notifyValid()
+        return gadget.notifyValid()
           .push(function () {
             var date,
               value;
-            if (!result) {
-              return result;
+            if ((gadget.state.type === 'checkbox') && gadget.state.error_text) {
+              return gadget.notifyInvalid(gadget.state.error_text)
+                .push(function () {
+                  return result;
+                });
             }
             if ((gadget.state.type === 'date') ||
                 (gadget.state.type === 'datetime-local')) {
@@ -194,7 +213,10 @@
                 if (isNaN(date)) {
                   return gadget.translate("Invalid DateTime")
                     .push(function (error_message) {
-                      return gadget.notifyInvalid(error_message);
+                      return RSVP.all([
+                        gadget.deferErrorText(error_message),
+                        gadget.notifyInvalid(error_message)
+                      ]);
                     })
                     .push(function () {
                       return false;
@@ -205,9 +227,24 @@
             return result;
           });
       }
+      if (gadget.state.error_text) {
+        return gadget.notifyInvalid(gadget.state.error_text)
+          .push(function () {
+            return result;
+          });
+      }
+
       return result;
     }, {mutex: 'changestate'})
 
+    .declareJob('deferErrorText', function deferErrorText(error_text) {
+      var input = this.element.querySelector("input");
+      return this.changeState({
+        value: input.value,
+        error_text: error_text
+      });
+    })
+
     .declareAcquiredMethod("notifyChange", "notifyChange")
     .onEvent('change', function change() {
       return RSVP.all([
@@ -215,6 +252,7 @@
         this.notifyChange("change")
       ]);
     }, false, false)
+
     .onEvent('input', function input() {
       return RSVP.all([
         this.checkValidity(),
@@ -222,10 +260,23 @@
       ]);
     }, false, false)
 
+    .declareAcquiredMethod("notifyFocus", "notifyFocus")
+    .onEvent('focus', function focus() {
+      return this.notifyFocus();
+    }, true, false)
+
+    .declareAcquiredMethod("notifyBlur", "notifyBlur")
+    .onEvent('blur', function blur() {
+      return this.notifyBlur();
+    }, true, false)
+
     .declareAcquiredMethod("notifyInvalid", "notifyInvalid")
     .onEvent('invalid', function invalid(evt) {
       // invalid event does not bubble
-      return this.notifyInvalid(evt.target.validationMessage);
+      return RSVP.all([
+        this.deferErrorText(evt.target.validationMessage),
+        this.notifyInvalid(evt.target.validationMessage)
+      ]);
     }, true, false);
 
 }(window, document, rJS, RSVP, jIO, getFirstNonEmpty));
\ No newline at end of file

bt5/erp5_web_renderjs_ui/PathTemplateItem/web_page_module/rjs_gadget_html5_input_js.xml

@@ -234,7 +234,7 @@
                   </item>
                   <item>
                       <key> <string>serial</string> </key>
-                      <value> <string>967.40700.16743.2833</string> </value>
+                      <value> <string>987.27756.45244.12953</string> </value>
                   </item>
                   <item>
                       <key> <string>state</string> </key>
@@ -252,7 +252,7 @@
                           </tuple>
                           <state>
                             <tuple>
-                              <float>1526653024.9</float>
+                              <float>1603216380.65</float>
                               <string>UTC</string>
                             </tuple>
                           </state>

bt5/erp5_web_renderjs_ui/PathTemplateItem/web_page_module/rjs_gadget_html5_select_js.js

@@ -22,6 +22,7 @@
           item_list: JSON.stringify(options.item_list),
           editable: options.editable,
           required: options.required,
+          error_text: options.error_text || "",
           id: options.id,
           name: options.name,
           title: options.title,
@@ -41,6 +42,13 @@
       select.id = this.state.id || this.state.name;
       select.setAttribute('name', this.state.name);
 
+      if (modification_dict.error_text &&
+          !select.classList.contains("is-invalid")) {
+        select.classList.add("is-invalid");
+      } else if (select.classList.contains("is-invalid")) {
+        select.classList.remove("is-invalid");
+      }
+
       if (this.state.title) {
         select.setAttribute('title', this.state.title);
       }
@@ -118,7 +126,8 @@
 
     .declareAcquiredMethod("notifyValid", "notifyValid")
     .declareMethod('checkValidity', function checkValidity() {
-      var result = this.element.querySelector('select').checkValidity();
+      var select = this.element.querySelector('select'),
+        result = select.checkValidity() || this.state.error_text === "";
       if (result) {
         return this.notifyValid()
           .push(function () {
@@ -142,6 +151,16 @@
       ]);
     }, false, false)
 
+    .declareAcquiredMethod("notifyFocus", "notifyFocus")
+    .onEvent('focus', function focus() {
+      return this.notifyFocus();
+    }, true, false)
+
+    .declareAcquiredMethod("notifyBlur", "notifyBlur")
+    .onEvent('blur', function blur() {
+      return this.notifyBlur();
+    }, true, false)
+
     .declareAcquiredMethod("notifyInvalid", "notifyInvalid")
     .onEvent('invalid', function invalid(evt) {
       // invalid event does not bubble

bt5/erp5_web_renderjs_ui/PathTemplateItem/web_page_module/rjs_gadget_html5_select_js.xml

@@ -234,7 +234,7 @@
                   </item>
                   <item>
                       <key> <string>serial</string> </key>
-                      <value> <string>978.42847.9438.64699</string> </value>
+                      <value> <string>986.42836.14245.5444</string> </value>
                   </item>
                   <item>
                       <key> <string>state</string> </key>
@@ -252,7 +252,7 @@
                           </tuple>
                           <state>
                             <tuple>
-                              <float>1569589427.71</float>
+                              <float>1600275334.01</float>
                               <string>UTC</string>
                             </tuple>
                           </state>

bt5/erp5_web_renderjs_ui/PathTemplateItem/web_page_module/rjs_gadget_html5_textarea_js.js

@@ -24,6 +24,14 @@
     .onStateChange(function onStateChange(modification_dict) {
       var textarea = this.element.querySelector('textarea');
 
+      if (this.state.error_text &&
+          !textarea.classList.contains("is-invalid")) {
+        textarea.classList.add("is-invalid");
+      } else if (!this.state.error_text &&
+                 textarea.classList.contains("is-invalid")) {
+        textarea.classList.remove("is-invalid");
+      }
+
       if (modification_dict.hasOwnProperty("value")) {
         textarea.value = modification_dict.value;
       }
@@ -74,7 +82,8 @@
 
     .declareAcquiredMethod("notifyValid", "notifyValid")
     .declareMethod('checkValidity', function checkValidity() {
-      var result = this.element.querySelector('textarea').checkValidity();
+      var textarea = this.element.querySelector('textarea'),
+        result = textarea.checkValidity();
       if (result) {
         return this.notifyValid()
           .push(function () {
@@ -92,7 +101,17 @@
     .onEvent('invalid', function invalid(evt) {
       // invalid event does not bubble
       return this.notifyInvalid(evt.target.validationMessage);
-    }, true, true)
+    }, true, false)
+
+    .declareAcquiredMethod("notifyFocus", "notifyFocus")
+    .onEvent('focus', function focus() {
+      return this.notifyFocus();
+    }, true, false)
+
+    .declareAcquiredMethod("notifyBlur", "notifyBlur")
+    .onEvent('blur', function blur() {
+      return this.notifyBlur();
+    }, true, false)
 
     .declareAcquiredMethod("notifySubmit", "notifySubmit")
     .onEvent('keydown', function keydown(evt) {

bt5/erp5_web_renderjs_ui/PathTemplateItem/web_page_module/rjs_gadget_html5_textarea_js.xml

@@ -226,7 +226,7 @@
                   </item>
                   <item>
                       <key> <string>actor</string> </key>
-                      <value> <string>zope</string> </value>
+                      <value> <string>ERP5TypeTestCase</string> </value>
                   </item>
                   <item>
                       <key> <string>comment</string> </key>
@@ -240,7 +240,7 @@
                   </item>
                   <item>
                       <key> <string>serial</string> </key>
-                      <value> <string>966.49875.42877.4590</string> </value>
+                      <value> <string>987.741.47228.29815</string> </value>
                   </item>
                   <item>
                       <key> <string>state</string> </key>
@@ -258,7 +258,7 @@
                           </tuple>
                           <state>
                             <tuple>
-                              <float>1526653198.19</float>
+                              <float>1601596591.47</float>
                               <string>UTC</string>
                             </tuple>
                           </state>

bt5/erp5_web_renderjs_ui/SkinTemplateItem/portal_skins/erp5_web_renderjs_ui/erp5css.less.txt

@@ -434,13 +434,16 @@ input:not([type=submit]):not([type=file]):not([type=checkbox]):not([type=radio])
     border: @focus-border;
     box-shadow: @focus-box-shadow;
   }
-  &:invalid {
+  &:invalid, &.is-invalid {
     border: @invalid-border;
     &:focus {
       box-shadow: @invalid-box-shadow;
     }
   }
 }
+label.is-invalid {
+  color: @txtorange;
+}
 
 // Force safari to render search input as text
 // https://stackoverflow.com/questions/34802552/safari-input-type-search-reset-normalize
@@ -1294,7 +1297,7 @@ div[data-gadget-scope='header'] .ui-header {
       border-bottom-style: none;
       box-shadow: 0 1px 3px rgba(0,0,0,.15);
       background-color: @colorbackground;
-  
+
       &:not(.ui-li-has-count) {
         a {
           &:after {
@@ -1360,7 +1363,7 @@ div[data-gadget-scope='header'] .ui-header {
 
   //Label
   .ui-field-contain {
-    & > label {
+    & > label:not(:is-invalid) {
       color: @colorlabel;
 
     }