UI: Import/Export support for dynamic form properties. Improve json schema form to dynamic form conversion.

ui-ngx/src/app/modules/home/components/widget/lib/settings/common/dynamic-form/dynamic-form-properties.component.html

@@ -21,7 +21,36 @@
       <div class="tb-form-table-header-cell tb-id-header" translate>dynamic-form.property.id</div>
       <div class="tb-form-table-header-cell tb-name-header" translate>dynamic-form.property.name</div>
       <div class="tb-form-table-header-cell tb-type-header" translate>dynamic-form.property.type</div>
-      <div class="tb-form-table-header-cell tb-actions-header" [class.disabled]="disabled"></div>
+      <div class="tb-form-table-header-cell tb-actions-header tb-form-table-row-cell-buttons justify-end" [class.disabled]="disabled">
+        <button mat-icon-button
+                *ngIf="!disabled && importExport"
+                type="button"
+                matTooltip="{{ 'dynamic-form.import-form' | translate }}"
+                matTooltipPosition="above"
+                (click)="import($event)">
+          <tb-icon>mdi:file-import</tb-icon>
+        </button>
+        <button mat-icon-button
+                *ngIf="!disabled && importExport"
+                [class.tb-hidden]="!propertiesFormArray().controls.length"
+                type="button"
+                [disabled]="!propertiesFormArray().controls.length"
+                matTooltip="{{ 'dynamic-form.export-form' | translate }}"
+                matTooltipPosition="above"
+                (click)="export($event)">
+          <tb-icon>mdi:file-export</tb-icon>
+        </button>
+        <button mat-icon-button
+                *ngIf="!disabled"
+                [class.tb-hidden]="!propertiesFormArray().controls.length"
+                type="button"
+                [disabled]="!propertiesFormArray().controls.length"
+                matTooltip="{{ 'dynamic-form.clear-form' | translate }}"
+                matTooltipPosition="above"
+                (click)="clear($event)">
+          <tb-icon>mdi:broom</tb-icon>
+        </button>
+      </div>
     </div>
     <div *ngIf="propertiesFormArray().controls.length; else noProperties" class="tb-form-table-body tb-drop-list"
          cdkDropList cdkDropListOrientation="vertical"

ui-ngx/src/app/modules/home/components/widget/lib/settings/common/dynamic-form/dynamic-form-properties.component.ts

@@ -43,6 +43,8 @@ import {
 } from '@home/components/widget/lib/settings/common/dynamic-form/dynamic-form-property-row.component';
 import { coerceBoolean } from '@shared/decorators/coercion';
 import { takeUntilDestroyed } from '@angular/core/rxjs-interop';
+import { ImportExportService } from '@shared/import-export/import-export.service';
+import { DialogService } from '@core/services/dialog.service';
 
 @Component({
   selector: 'tb-dynamic-form-properties',
@@ -89,6 +91,13 @@ export class DynamicFormPropertiesComponent implements ControlValueAccessor, OnI
   @coerceBoolean()
   fillHeight = false;
 
+  @Input()
+  @coerceBoolean()
+  importExport = false;
+
+  @Input()
+  exportFileName = 'form';
+
   booleanPropertyIds: string[] = [];
 
   propertiesFormGroup: UntypedFormGroup;
@@ -103,7 +112,9 @@ export class DynamicFormPropertiesComponent implements ControlValueAccessor, OnI
 
   constructor(private fb: UntypedFormBuilder,
               private destroyRef: DestroyRef,
-              private translate: TranslateService) {
+              private translate: TranslateService,
+              private importExportService: ImportExportService,
+              private dialogService: DialogService) {
   }
 
   ngOnInit() {
@@ -114,10 +125,7 @@ export class DynamicFormPropertiesComponent implements ControlValueAccessor, OnI
       takeUntilDestroyed(this.destroyRef)
     ).subscribe(
       () => {
-        let properties: FormProperty[] = this.propertiesFormGroup.get('properties').value;
-        if (properties) {
-          properties = properties.filter(p => propertyValid(p));
-        }
+        const properties = this.getProperties();
         this.booleanPropertyIds = properties.filter(p => p.type === FormPropertyType.switch).map(p => p.id);
         properties.forEach((p, i) => {
           if (p.disableOnProperty && !this.booleanPropertyIds.includes(p.disableOnProperty)) {
@@ -222,6 +230,38 @@ export class DynamicFormPropertiesComponent implements ControlValueAccessor, OnI
     });
   }
 
+  export($event: Event) {
+    if ($event) {
+      $event.stopPropagation();
+    }
+    const properties = this.getProperties();
+    this.importExportService.exportFormProperties(properties, this.exportFileName);
+  }
+
+  import($event: Event) {
+    if ($event) {
+      $event.stopPropagation();
+    }
+    this.importExportService.importFormProperties().subscribe((properties) => {
+      if (properties) {
+        this.propertiesFormGroup.setControl('properties', this.preparePropertiesFormArray(properties), {emitEvent: true});
+      }
+    });
+  }
+
+  clear($event: Event) {
+    if ($event) {
+      $event.stopPropagation();
+    }
+    this.dialogService.confirm(this.translate.instant('dynamic-form.clear-form'),
+      this.translate.instant('dynamic-form.clear-form-prompt'), null, this.translate.instant('action.clear'))
+    .subscribe((clear) => {
+      if (clear) {
+        (this.propertiesFormGroup.get('properties') as UntypedFormArray).clear({emitEvent: true});
+      }
+    });
+  }
+
   private preparePropertiesFormArray(properties: FormProperty[] | undefined): UntypedFormArray {
     const propertiesControls: Array<AbstractControl> = [];
     if (properties) {
@@ -231,4 +271,12 @@ export class DynamicFormPropertiesComponent implements ControlValueAccessor, OnI
     }
     return this.fb.array(propertiesControls);
   }
+
+  private getProperties(): FormProperty[] {
+    let properties: FormProperty[] = this.propertiesFormGroup.get('properties').value;
+    if (properties) {
+      properties = properties.filter(p => propertyValid(p));
+    }
+    return properties;
+  }
 }

ui-ngx/src/app/modules/home/components/widget/lib/settings/common/dynamic-form/dynamic-form-property-panel.component.html

@@ -267,6 +267,22 @@
                 {{ 'dynamic-form.property.allow-empty-select-option' | translate }}
               </mat-slide-toggle>
             </div>
+            <div *ngIf="propertyItemType === FormPropertyType.select && propertyFormGroup.get('multiple').value" class="tb-form-row space-between">
+              <div translate>dynamic-form.property.selected-options-limit</div>
+              <div class="flex flex-1 flex-row items-center justify-end gap-2">
+                <div class="tb-small-label" translate>dynamic-form.property.min</div>
+                <mat-form-field appearance="outline" class="number flex" subscriptSizing="dynamic">
+                  <input matInput formControlName="minItems"
+                         type="number" placeholder="{{ 'widget-config.set' | translate }}">
+                </mat-form-field>
+                <mat-divider vertical></mat-divider>
+                <div class="tb-small-label" translate>dynamic-form.property.max</div>
+                <mat-form-field appearance="outline" class="number flex" subscriptSizing="dynamic">
+                  <input matInput formControlName="maxItems"
+                         type="number" placeholder="{{ 'widget-config.set' | translate }}">
+                </mat-form-field>
+              </div>
+            </div>
             <tb-dynamic-form-select-items
               formControlName="items">
             </tb-dynamic-form-select-items>

ui-ngx/src/app/modules/home/components/widget/lib/settings/common/dynamic-form/dynamic-form-property-panel.component.ts

@@ -124,6 +124,8 @@ export class DynamicFormPropertyPanelComponent implements OnInit {
         properties: [this.property.properties, []],
         multiple: [this.property.multiple, []],
         allowEmptyOption: [this.property.allowEmptyOption, []],
+        minItems: [this.property.minItems, []],
+        maxItems: [this.property.maxItems, []],
         items: [this.property.items, []],
         helpId: [this.property.helpId, []],
         direction: [this.property.direction || 'column', []],
@@ -208,13 +210,19 @@ export class DynamicFormPropertyPanelComponent implements OnInit {
         const multiple: boolean = this.propertyFormGroup.get('multiple').value;
         if (multiple) {
           this.propertyFormGroup.get('allowEmptyOption').disable({emitEvent: false});
+          this.propertyFormGroup.get('minItems').enable({emitEvent: false});
+          this.propertyFormGroup.get('maxItems').enable({emitEvent: false});
         } else {
           this.propertyFormGroup.get('allowEmptyOption').enable({emitEvent: false});
+          this.propertyFormGroup.get('minItems').disable({emitEvent: false});
+          this.propertyFormGroup.get('maxItems').disable({emitEvent: false});
         }
       }
     } else {
       this.propertyFormGroup.get('multiple').disable({emitEvent: false});
       this.propertyFormGroup.get('allowEmptyOption').disable({emitEvent: false});
+      this.propertyFormGroup.get('minItems').disable({emitEvent: false});
+      this.propertyFormGroup.get('maxItems').disable({emitEvent: false});
       this.propertyFormGroup.get('items').disable({emitEvent: false});
     }
     if (type === FormPropertyType.datetime) {
@@ -290,7 +298,9 @@ export class DynamicFormPropertyPanelComponent implements OnInit {
           this.propertyFormGroup.get('default').patchValue(newVal, {emitEvent: false});
         }
         this.propertyFormGroup.get('allowEmptyOption').patchValue(false, {emitEvent: false});
-        this.propertyFormGroup.get('allowEmptyOption').disable({emitEvent: false});
+        this.propertyFormGroup.get('allowEmptyOption').disable({emitEvent: false})
+        this.propertyFormGroup.get('minItems').enable({emitEvent: false});
+        this.propertyFormGroup.get('maxItems').enable({emitEvent: false});
       } else {
         if (defaultValue && Array.isArray(defaultValue)) {
           const newVal = defaultValue.length ? defaultValue[0] : null;
@@ -299,6 +309,8 @@ export class DynamicFormPropertyPanelComponent implements OnInit {
           });
         }
         this.propertyFormGroup.get('allowEmptyOption').enable({emitEvent: false});
+        this.propertyFormGroup.get('minItems').disable({emitEvent: false});
+        this.propertyFormGroup.get('maxItems').disable({emitEvent: false});
       }
     }
   }

ui-ngx/src/app/modules/home/components/widget/lib/settings/common/dynamic-form/dynamic-form.component.html

@@ -88,7 +88,7 @@
 </ng-template>
 
 <ng-template #propertyRowTpl let-propertyRow="propertyRow">
-  <div [formGroup]="propertiesFormGroup" class="tb-form-row space-between flex-wrap overflow-auto" [class]="propertyRow.rowClass">
+  <div [formGroup]="propertiesFormGroup" class="tb-form-row space-between overflow-auto" [class]="propertyRow.rowClass">
     <mat-slide-toggle *ngIf="propertyRow.switch && propertyRow.switch.visible"
                       class="mat-slide fixed-title-width margin" formControlName="{{ propertyRow.switch.id }}">
       {{ propertyRow.label | customTranslate }}

ui-ngx/src/app/modules/home/components/widget/lib/settings/common/dynamic-form/dynamic-form.component.ts

@@ -215,6 +215,16 @@ export class DynamicFormComponent implements OnInit, OnChanges, ControlValueAcce
               validators.push(Validators.max(property.max));
             }
           }
+          if (property.type === FormPropertyType.select) {
+            if (property.multiple) {
+              if (isDefinedAndNotNull(property.minItems)) {
+                validators.push(Validators.minLength(property.minItems));
+              }
+              if (isDefinedAndNotNull(property.maxItems)) {
+                validators.push(Validators.maxLength(property.maxItems));
+              }
+            }
+          }
           this.propertiesFormGroup.addControl(property.id, this.fb.control(null, validators), {emitEvent: false});
         }
       }

ui-ngx/src/app/modules/home/pages/scada-symbol/metadata-components/scada-symbol-metadata.component.html

@@ -107,6 +107,8 @@
     </div>
     <div [class.!hidden]="selectedOption !== 'properties'" class="mat-content overflow-hidden">
       <tb-dynamic-form-properties
+        importExport
+        [exportFileName]="(modelValue?.title || 'scada-symbol') + '-properties'"
         formControlName="properties">
       </tb-dynamic-form-properties>
     </div>

ui-ngx/src/app/modules/home/pages/scada-symbol/metadata-components/scada-symbol-metadata.component.ts

@@ -90,7 +90,7 @@ export class ScadaSymbolMetadataComponent extends PageComponent implements OnIni
   @Input()
   tags: string[];
 
-  private modelValue: ScadaSymbolMetadata;
+  modelValue: ScadaSymbolMetadata;
 
   private propagateChange = null;
 

ui-ngx/src/app/modules/home/pages/widget/widget-editor.component.html

@@ -188,9 +188,11 @@
           </div>
           <div #topRightPanel class="tb-split tb-content">
             <mat-tab-group mat-stretch-tabs="false" dynamicHeight="true" style="width: 100%; height: 100%;">
-              <mat-tab label="{{ 'widget.settings-form-properties' | translate }}">
+              <mat-tab label="{{ 'widget.settings-form' | translate }}">
                 <div class="tb-resize-container" style="background-color: #fff;">
                   <tb-dynamic-form-properties
+                    importExport
+                    [exportFileName]="(widget.widgetName || 'widget') + '-settings-form'"
                     [(ngModel)]="widget.settingsForm"
                     (ngModelChange)="settingsFormUpdated()"
                     noBorder fillHeight>

ui-ngx/src/app/shared/import-export/import-export.service.ts

@@ -87,6 +87,7 @@ import {
   ExportResourceDialogData,
   ExportResourceDialogDialogResult
 } from '@shared/import-export/export-resource-dialog.component';
+import { FormProperty, propertyValid } from '@shared/models/dynamic-form.models';
 
 export type editMissingAliasesFunction = (widgets: Array<Widget>, isSingleWidget: boolean,
                                           customTitle: string, missingEntityAliases: EntityAliases) => Observable<EntityAliases>;
@@ -119,6 +120,26 @@ export class ImportExportService {
 
   }
 
+  public exportFormProperties(properties: FormProperty[], fileName: string) {
+    this.exportToPc(properties, fileName);
+  }
+
+  public importFormProperties(): Observable<FormProperty[]> {
+    return this.openImportDialog('dynamic-form.import-form', 'dynamic-form.form-json-file').pipe(
+      map((properties: FormProperty[]) => {
+        if (!this.validateImportedFormProperties(properties)) {
+          this.store.dispatch(new ActionNotificationShow(
+            {message: this.translate.instant('dynamic-form.invalid-form-json-file-error'),
+              type: 'error'}));
+          throw new Error('Invalid form JSON file');
+        } else {
+          return properties;
+        }
+      }),
+      catchError(() => of(null))
+    );
+  }
+
   public exportImage(type: ImageResourceType, key: string) {
     this.imageService.exportImage(type, key).subscribe(
       {
@@ -927,6 +948,14 @@ export class ImportExportService {
         type: 'error'}));
   }
 
+  private validateImportedFormProperties(properties: FormProperty[]): boolean {
+    if (!properties.length) {
+      return false;
+    } else {
+      return !properties.some(p => !propertyValid(p));
+    }
+  }
+
   private validateImportedImage(image: ImageExportData): boolean {
     return !(!isNotEmptyStr(image.data)
       || !isNotEmptyStr(image.title)

ui-ngx/src/app/shared/models/dynamic-form.models.ts

@@ -132,6 +132,8 @@ export interface FormSelectProperty extends FormPropertyBase {
   multiple?: boolean;
   allowEmptyOption?: boolean;
   items?: FormSelectItem[];
+  minItems?: number;
+  maxItems?: number;
 }
 
 export type FormPropertyDirection = 'row' | 'column';
@@ -311,6 +313,11 @@ const toPropertyContainers = (properties: FormProperty[],
           visible: true
         };
         result.push(propertyRow);
+        const rowClasses = (propertyRow.rowClass || '').split(' ').filter(cls => cls.trim().length > 0);
+        if (!rowClasses.includes('flex-wrap')) {
+          rowClasses.push('flex-wrap');
+        }
+        propertyRow.rowClass = rowClasses.join(' ');
       }
       if (property.type === FormPropertyType.switch) {
         propertyRow.switch = property;
@@ -330,10 +337,18 @@ const toPropertyContainers = (properties: FormProperty[],
         delete container.properties;
         delete container.rowClass;
       } else {
-        if (!container.rowClass) {
-          container.rowClass = 'column-xs';
-          container.propertiesRowClass = 'gt-xs:align-center xs:flex-col gt-xs:flex-row gt-xs:justify-end';
+        container.propertiesRowClass = 'gt-xs:align-center xs:flex-col gt-xs:flex-row gt-xs:justify-end';
+        const rowClasses = (container.rowClass || '').split(' ').filter(cls => cls.trim().length > 0);
+        if (!rowClasses.includes('column-xs')) {
+          rowClasses.push('column-xs');
+        }
+        if (property.fieldClass && property.fieldClass.split(' ').includes('flex')) {
+          container.propertiesRowClass += ' overflow-hidden';
+          if (rowClasses.includes('flex-wrap')) {
+            rowClasses.splice(rowClasses.indexOf('flex-wrap'), 1);
+          }
         }
+        container.rowClass = rowClasses.join(' ');
       }
     }
   }
@@ -600,7 +615,7 @@ const jsonFormDataToProperty = (form: JsonFormData, level: number, groupTitle?:
       name: form.title || id,
       group: groupTitle,
       type: null,
-      default: form.schema?.default || null,
+      default: (isDefinedAndNotNull(form.default) ? form.default : form.schema?.default) || null,
       required: isDefinedAndNotNull(form.required) ? form.required : false
     };
     if (form.condition?.length) {
@@ -635,6 +650,14 @@ const jsonFormDataToProperty = (form: JsonFormData, level: number, groupTitle?:
         property.multiple = form.multiple;
         property.fieldClass = 'flex';
         property.allowEmptyOption = isDefinedAndNotNull(form.allowClear) ? form.allowClear : false;
+        if (property.multiple) {
+          if (typeof (form.schema as any)?.minItems === 'number') {
+            property.minItems = (form.schema as any).minItems;
+          }
+          if (typeof (form.schema as any)?.maxItems === 'number') {
+            property.maxItems = (form.schema as any).maxItems;
+          }
+        }
         break;
       case 'select':
         property.type = FormPropertyType.select;
@@ -699,17 +722,25 @@ const jsonFormDataToProperty = (form: JsonFormData, level: number, groupTitle?:
         break;
       case 'array':
         if (form.items?.length) {
-          const item: JsonFormData = form.items[0] as JsonFormData;
-          if (item.type !== 'array') {
-            const arrayProperty = jsonFormDataToProperty(item, 0);
-            arrayProperty.arrayItemType = arrayProperty.type;
-            arrayProperty.arrayItemName = arrayProperty.name;
-            arrayProperty.id = property.id;
-            arrayProperty.name = property.name;
-            arrayProperty.group = property.group;
-            arrayProperty.condition = property.condition;
-            arrayProperty.required = property.required;
-            property = arrayProperty;
+          const arrayItemSchema = form.schema.items;
+          if (arrayItemSchema && arrayItemSchema.type && arrayItemSchema.type !== 'array') {
+            if (arrayItemSchema.type === 'object') {
+              property.arrayItemType = FormPropertyType.fieldset;
+              property.arrayItemName = '';
+              property.properties = form.items ? (form.items as JsonFormData[]).map(item =>
+                jsonFormDataToProperty(item, level+2)).filter(p => p !== null) : [];
+            } else {
+              const item: JsonFormData = form.items[0] as JsonFormData;
+              const arrayProperty = jsonFormDataToProperty(item, 0);
+              arrayProperty.arrayItemType = arrayProperty.type;
+              arrayProperty.arrayItemName = arrayProperty.name;
+              arrayProperty.id = property.id;
+              arrayProperty.name = property.name;
+              arrayProperty.group = property.group;
+              arrayProperty.condition = property.condition;
+              arrayProperty.required = property.required;
+              property = arrayProperty;
+            }
             property.type = FormPropertyType.array;
           }
         }

ui-ngx/src/assets/locale/locale.constant-en_US.json

@@ -1657,6 +1657,7 @@
             "min": "Min",
             "max": "Max",
             "step": "Step",
+            "selected-options-limit": "Selected options limit",
             "advanced-ui-settings": "Advanced UI settings",
             "disable-on-property": "Disable on property",
             "display-condition-function": "Display condition function",
@@ -1693,7 +1694,13 @@
             "item-type": "Item type",
             "item-name": "Item name",
             "no-items": "No items"
-        }
+        },
+        "clear-form": "Clear form",
+        "clear-form-prompt": "Are you sure you want to remove all form properties?",
+        "import-form": "Import form from JSON",
+        "export-form": "Export form to JSON",
+        "form-json-file": "Form JSON file",
+        "invalid-form-json-file-error": "Unable to import form from JSON: Invalid form JSON data structure."
     },
     "asset-profile": {
         "asset-profile": "Asset profile",
@@ -5473,7 +5480,7 @@
         "html": "HTML",
         "tidy": "Tidy",
         "css": "CSS",
-        "settings-form-properties": "Settings form properties",
+        "settings-form": "Settings form",
         "settings-schema": "Settings schema",
         "datakey-settings-schema": "Data key settings schema",
         "latest-datakey-settings-schema": "Latest data key settings schema",

ui-ngx/src/form.scss

@@ -223,7 +223,7 @@
     }
     .mat-divider-vertical {
       height: 56px;
-      margin-top: -7px;
+      margin-top: -9px;
       margin-bottom: -7px;
     }
     .mat-mdc-form-field, tb-unit-input {