UI: Model improvement, new entity table methods

@@ -28,7 +28,7 @@ import {
   MissingTranslationHandler,
   TranslateCompiler,
   TranslateLoader,
-  TranslateModule
+  TranslateModule, TranslateParser
 } from '@ngx-translate/core';
 import { TranslateHttpLoader } from '@ngx-translate/http-loader';
 import { TbMissingTranslationHandler } from './translate/missing-translate-handler';
@@ -39,6 +39,7 @@ import { FlexLayoutModule } from '@angular/flex-layout';
 import { TranslateDefaultCompiler } from '@core/translate/translate-default-compiler';
 import { WINDOW_PROVIDERS } from '@core/services/window.service';
 import { HotkeyModule } from 'angular2-hotkeys';
+import { TranslateDefaultParser } from '@core/translate/translate-default-parser';
 
 export function HttpLoaderFactory(http: HttpClient) {
   return new TranslateHttpLoader(http, './assets/locale/locale.constant-', '.json');
@@ -67,6 +68,10 @@ export function HttpLoaderFactory(http: HttpClient) {
       compiler: {
         provide: TranslateCompiler,
         useClass: TranslateDefaultCompiler
+      },
+      parser: {
+        provide: TranslateParser,
+        useClass: TranslateDefaultParser
       }
     }),
     HotkeyModule.forRoot(),

+///
+/// Copyright © 2016-2020 The Thingsboard Authors
+///
+/// Licensed under the Apache License, Version 2.0 (the "License");
+/// you may not use this file except in compliance with the License.
+/// You may obtain a copy of the License at
+///
+///     http://www.apache.org/licenses/LICENSE-2.0
+///
+/// Unless required by applicable law or agreed to in writing, software
+/// distributed under the License is distributed on an "AS IS" BASIS,
+/// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+/// See the License for the specific language governing permissions and
+/// limitations under the License.
+///
+
+import { Injectable } from '@angular/core';
+import { TranslateParser } from '@ngx-translate/core';
+import { isDefinedAndNotNull } from '@core/utils';
+
+@Injectable({ providedIn: 'root' })
+export class TranslateDefaultParser extends TranslateParser {
+  templateMatcher: RegExp = /{{\s?([^{}\s]*)\s?}}/g;
+
+  // tslint:disable-next-line:ban-types
+  public interpolate(expr: string | Function, params?: any): string {
+    let result: string;
+
+    if (typeof expr === 'string') {
+      result = this.interpolateString(expr, params);
+    } else if (typeof expr === 'function') {
+      result = this.interpolateFunction(expr, params);
+      if (typeof result === 'string') {
+        result = this.interpolateString(result, params);
+      }
+    } else {
+      result = expr as string;
+    }
+
+    return result;
+  }
+
+  getValue(target: any, key: string): any {
+    const keys = typeof key === 'string' ? key.split('.') : [key];
+    key = '';
+    do {
+      key += keys.shift();
+      if (isDefinedAndNotNull(target) && isDefinedAndNotNull(target[key]) && (typeof target[key] === 'object' || !keys.length)) {
+        target = target[key];
+        key = '';
+      } else if (!keys.length) {
+        target = undefined;
+      } else {
+        key += '.';
+      }
+    } while (keys.length);
+
+    return target;
+  }
+
+  // tslint:disable-next-line:ban-types
+  private interpolateFunction(fn: Function, params?: any) {
+    return fn(params);
+  }
+
+  private interpolateString(expr: string, params?: any) {
+    if (!params) {
+      return expr;
+    }
+
+    return expr.replace(this.templateMatcher, (substring: string, b: string) => {
+      const r = this.getValue(params, b);
+      return isDefinedAndNotNull(r) ? r : substring;
+    });
+  }
+}

@@ -16,7 +16,7 @@
 
 import {
   AfterViewInit,
-  ChangeDetectionStrategy,
+  ChangeDetectionStrategy, ChangeDetectorRef,
   Component,
   ComponentFactoryResolver,
   ElementRef, EventEmitter,
@@ -115,6 +115,7 @@ export class EntitiesTableComponent extends PageComponent implements AfterViewIn
               public dialog: MatDialog,
               private dialogService: DialogService,
               private domSanitizer: DomSanitizer,
+              private cd: ChangeDetectorRef,
               private componentFactoryResolver: ComponentFactoryResolver) {
     super(store);
   }
@@ -204,9 +205,7 @@ export class EntitiesTableComponent extends PageComponent implements AfterViewIn
       this.pageLink = new PageLink(10, 0, null, sortOrder);
     }
     this.pageLink.pageSize = this.displayPagination ? this.defaultPageSize : MAX_SAFE_PAGE_SIZE;
-    this.dataSource = this.entitiesTableConfig.dataSource(() => {
-      this.dataLoaded();
-    });
+    this.dataSource = this.entitiesTableConfig.dataSource(this.dataLoaded.bind(this));
     if (this.entitiesTableConfig.onLoadAction) {
       this.entitiesTableConfig.onLoadAction(this.route);
     }
@@ -262,6 +261,11 @@ export class EntitiesTableComponent extends PageComponent implements AfterViewIn
     return this.entitiesTableConfig.addEnabled;
   }
 
+  clearSelection() {
+    this.dataSource.selection.clear();
+    this.cd.detectChanges();
+  }
+
   updateData(closeDetails: boolean = true) {
     if (closeDetails) {
       this.isDetailsOpen = false;
@@ -294,11 +298,15 @@ export class EntitiesTableComponent extends PageComponent implements AfterViewIn
     this.dataSource.loadEntities(this.pageLink);
   }
 
-  private dataLoaded() {
-    this.headerCellStyleCache.length = 0;
-    this.cellContentCache.length = 0;
-    this.cellTooltipCache.length = 0;
-    this.cellStyleCache.length = 0;
+  private dataLoaded(col?: number, row?: number) {
+    if (isFinite(col) && isFinite(row)) {
+      this.clearCellCache(col, row);
+    } else {
+      this.headerCellStyleCache.length = 0;
+      this.cellContentCache.length = 0;
+      this.cellTooltipCache.length = 0;
+      this.cellStyleCache.length = 0;
+    }
   }
 
   onRowClick($event: Event, entity) {
@@ -485,6 +493,13 @@ export class EntitiesTableComponent extends PageComponent implements AfterViewIn
     return res;
   }
 
+  clearCellCache(col: number, row: number) {
+    const index = row * this.entitiesTableConfig.columns.length + col;
+    this.cellContentCache[index] = undefined;
+    this.cellTooltipCache[index] = undefined;
+    this.cellStyleCache[index] = undefined;
+  }
+
   cellContent(entity: BaseData<HasId>, column: EntityColumn<BaseData<HasId>>, row: number) {
     if (column instanceof EntityTableColumn) {
       const col = this.entitiesTableConfig.columns.indexOf(column);

@@ -37,7 +37,7 @@ export class EntitiesDataSource<T extends BaseData<HasId>, P extends PageLink =
 
   constructor(private fetchFunction: EntitiesFetchFunction<T, P>,
               protected selectionEnabledFunction: EntityBooleanFunction<T>,
-              protected dataLoadedFunction: () => void) {}
+              protected dataLoadedFunction: (col?: number, row?: number) => void) {}
 
   connect(collectionViewer: CollectionViewer): Observable<T[] | ReadonlyArray<T>> {
     return this.entitiesSubject.asObservable();
@@ -50,7 +50,7 @@ export class EntitiesDataSource<T extends BaseData<HasId>, P extends PageLink =
 
   reset() {
     const pageData = emptyPageData<T>();
-    this.entitiesSubject.next(pageData.data);
+    this.onEntities(pageData.data);
     this.pageDataSubject.next(pageData);
     this.dataLoadedFunction();
   }
@@ -64,7 +64,7 @@ export class EntitiesDataSource<T extends BaseData<HasId>, P extends PageLink =
       catchError(() => of(emptyPageData<T>())),
     ).subscribe(
       (pageData) => {
-        this.entitiesSubject.next(pageData.data);
+        this.onEntities(pageData.data);
         this.pageDataSubject.next(pageData);
         result.next(pageData);
         this.dataLoadedFunction();
@@ -73,6 +73,10 @@ export class EntitiesDataSource<T extends BaseData<HasId>, P extends PageLink =
     return result;
   }
 
+  protected onEntities(entities: T[]) {
+    this.entitiesSubject.next(entities);
+  }
+
   isAllSelected(): Observable<boolean> {
     const numSelected = this.selection.selected.length;
     return this.entitiesSubject.pipe(

@@ -157,7 +157,8 @@ export class EntityTableConfig<T extends BaseData<HasId>, P extends PageLink = P
   addActionDescriptors: Array<HeaderActionDescriptor> = [];
   headerComponent: Type<EntityTableHeaderComponent<T, P, L>>;
   addEntity: CreateEntityOperation<T> = null;
-  dataSource: (dataLoadedFunction: () => void) => EntitiesDataSource<L> = (dataLoadedFunction: () => void) => {
+  dataSource: (dataLoadedFunction: (col?: number, row?: number) => void)
+    => EntitiesDataSource<L> = (dataLoadedFunction: (col?: number, row?: number) => void) => {
     return new EntitiesDataSource(this.entitiesFetchFunction, this.entitySelectionEnabled, dataLoadedFunction);
   };
   detailsReadonly: EntityBooleanFunction<T> = () => false;

@@ -279,6 +279,10 @@ export class TelemetrySubscriber {
 
   public unsubscribe() {
     this.telemetryService.unsubscribe(this);
+    this.complete();
+  }
+
+  public complete() {
     this.dataSubject.complete();
     this.reconnectSubject.complete();
   }