gui: Make device ID read-only and hide "nearby devices" when adding a new pending device (fixes #8083) (#8091)

* gui: Make ID read-only and hide nearby devices when adding pending devices (fixes #8083)

Currently, there is no distinction between adding "new" and "pending"
devices. For this reason, the user is always presented with a list of
"nearby devices" to choose from. This commit adds such distinction to
the code, and in the case of "pending" device, both the device ID is
made read-only and the nearby devices list is hidden.

As a by-product of the function rename and clean-up, this commit also
hides the non-functional "remove" button that is shown when editing
device defaults.

Signed-off-by: Tomasz Wilczyński <[email protected]>

gui/default/syncthing/core/syncthingController.js

@@ -1614,6 +1614,11 @@ angular.module('syncthing.core')
             return $scope.currentDevice._editing == 'existing';
         }
 
+        $scope.editingDeviceNew = function() {
+            // The "new-pending" value is intentionally disregarded here.
+            return $scope.currentDevice._editing == 'new';
+        }
+
         $scope.editDeviceExisting = function (deviceCfg) {
             $scope.currentDevice = $.extend({}, deviceCfg);
             $scope.currentDevice._editing = "existing";
@@ -1683,7 +1688,11 @@ angular.module('syncthing.core')
                         $scope.currentDevice = p.data;
                         $scope.currentDevice.name = name;
                         $scope.currentDevice.deviceID = deviceID;
-                        $scope.currentDevice._editing = "add";
+                        if (deviceID) {
+                            $scope.currentDevice._editing = "new-pending";
+                        } else {
+                            $scope.currentDevice._editing = "new";
+                        }
                         initShareEditing('device');
                         $scope.currentSharing.unrelated = $scope.folderList();
                         editDeviceModal();

gui/default/syncthing/core/validDeviceidDirective.js

@@ -4,23 +4,18 @@ angular.module('syncthing.core')
             require: 'ngModel',
             link: function (scope, elm, attrs, ctrl) {
                 ctrl.$parsers.unshift(function (viewValue) {
-                    if (scope.currentDevice._editing != "add") {
-                        // we shouldn't validate
-                        ctrl.$setValidity('validDeviceid', true);
-                    } else {
-                        $http.get(urlbase + '/svc/deviceid?id=' + viewValue).success(function (resp) {
-                            if (resp.error) {
-                                ctrl.$setValidity('validDeviceid', false);
-                            } else {
-                                ctrl.$setValidity('validDeviceid', true);
-                            }
-                        });
-                        //Prevents user from adding a duplicate ID
-                        if (scope.devices.hasOwnProperty(viewValue)) {
-                            ctrl.$setValidity('unique', false);
+                    $http.get(urlbase + '/svc/deviceid?id=' + viewValue).success(function (resp) {
+                        if (resp.error) {
+                            ctrl.$setValidity('validDeviceid', false);
                         } else {
-                            ctrl.$setValidity('unique', true);
+                            ctrl.$setValidity('validDeviceid', true);
                         }
+                    });
+                    //Prevents user from adding a duplicate ID
+                    if (scope.devices.hasOwnProperty(viewValue)) {
+                        ctrl.$setValidity('unique', false);
+                    } else {
+                        ctrl.$setValidity('unique', true);
                     }
                     return viewValue;
                 });

gui/default/syncthing/device/editDeviceModalView.html

@@ -10,19 +10,20 @@
         <div id="device-general" class="tab-pane in active">
           <div ng-if="!editingDeviceDefaults()" class="form-group" ng-class="{'has-error': deviceEditor.deviceID.$invalid && deviceEditor.deviceID.$dirty}" ng-init="loadFormIntoScope(deviceEditor)">
             <label translate for="deviceID">Device ID</label>
-            <div ng-if="!editingDeviceExisting()">
-              <div class="input-group">
-                <input name="deviceID" id="deviceID" class="form-control text-monospace" type="text" ng-model="currentDevice.deviceID" required="" valid-deviceid list="discovery-list" aria-required="true" />
-                <div class="input-group-btn">
-                  <button type="button" class="btn btn-default" data-toggle="modal" data-target="#idqr" ng-disabled="!deviceEditor.deviceID.$valid">
-                    <span class="fas fa-qrcode"></span>&nbsp;<span translate>Show QR</span>
-                  </button>
-                </div>
+            <div class="input-group">
+              <input ng-if="editingDeviceNew()" name="deviceID" id="deviceID" class="form-control text-monospace" type="text" ng-model="currentDevice.deviceID" required="" valid-deviceid list="discovery-list" aria-required="true" />
+              <div ng-if="!editingDeviceNew()" class="well well-sm form-control text-monospace" style="height: auto;" select-on-click>{{currentDevice.deviceID}}</div>
+              <div class="input-group-btn">
+                <button type="button" class="btn btn-default" data-toggle="modal" data-target="#idqr" ng-disabled="editingDeviceNew() && !deviceEditor.deviceID.$valid">
+                  <span class="fas fa-qrcode"></span>&nbsp;<span translate>Show QR</span>
+                </button>
               </div>
+            </div>
+            <div ng-if="editingDeviceNew()">
               <datalist id="discovery-list">
                 <option ng-repeat="id in discovery" value="{{id}}" />
               </datalist>
-              <p class="help-block" ng-if="discovery && discovery.length !== 0">
+              <div class="help-block" ng-if="discovery && discovery.length !== 0">
                 <span translate>You can also select one of these nearby devices:</span>
                 <ul>
                   <li ng-repeat="id in discovery" style="list-style-type: none;">
@@ -31,7 +32,7 @@
                     </a>
                   </li>
                 </ul>
-              </p>
+              </div>
               <p class="help-block">
                 <span translate ng-if="deviceEditor.deviceID.$valid || deviceEditor.deviceID.$pristine">The device ID to enter here can be found in the "Actions &gt; Show ID" dialog on the other device. Spaces and dashes are optional (ignored).</span>
                 <span translate ng-show="deviceEditor.deviceID.$valid || deviceEditor.deviceID.$pristine">When adding a new device, keep in mind that this device must be added on the other side too.</span>
@@ -40,14 +41,6 @@
                 <span translate ng-if="deviceEditor.deviceID.$error.unique && deviceEditor.deviceID.$dirty">A device with that ID is already added.</span>
               </p>
             </div>
-            <div ng-if="editingDeviceExisting()" class="input-group">
-              <div class="well well-sm text-monospace form-control" style="height: auto;" select-on-click>{{currentDevice.deviceID}}</div>
-              <div class="input-group-btn">
-                <button type="button" class="btn btn-default" data-toggle="modal" data-target="#idqr">
-                  <span class="fas fa-qrcode"></span>&nbsp;<span translate>Show QR</span>
-                </button>
-              </div>
-            </div>
           </div>
           <div class="form-group">
             <label translate for="name">Device Name</label>
@@ -172,7 +165,7 @@
     <button type="button" class="btn btn-default btn-sm" data-dismiss="modal">
       <span class="fas fa-times"></span>&nbsp;<span translate>Close</span>
     </button>
-    <div ng-if="has(['existing', 'defaults'], currentDevice._editing)" class="pull-left">
+    <div ng-if="editingDeviceExisting()" class="pull-left">
       <button type="button" class="btn btn-warning btn-sm" data-toggle="modal" data-target="#remove-device-confirmation">
         <span class="fas fa-minus-circle"></span>&nbsp;<span translate>Remove</span>
       </button>