dashboard-widget-select.component.ts
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///
/// Copyright © 2016-2021 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 { Component, EventEmitter, Input, OnChanges, OnInit, Output, SimpleChanges } from '@angular/core';
import { WidgetsBundle } from '@shared/models/widgets-bundle.model';
import { IAliasController } from '@core/api/widget-api.models';
import { NULL_UUID } from '@shared/models/id/has-uuid';
import { WidgetService } from '@core/http/widget.service';
import { Widget } from '@shared/models/widget.models';
import { toWidgetInfo } from '@home/models/widget-component.models';
import { share } from 'rxjs/operators';
import { Observable } from 'rxjs';
import { DomSanitizer, SafeUrl } from '@angular/platform-browser';
import { isDefinedAndNotNull } from '@core/utils';
@Component({
selector: 'tb-dashboard-widget-select',
templateUrl: './dashboard-widget-select.component.html',
styleUrls: ['./dashboard-widget-select.component.scss']
})
export class DashboardWidgetSelectComponent implements OnInit, OnChanges {
@Input()
widgetsBundle: WidgetsBundle;
@Input()
aliasController: IAliasController;
@Output()
widgetSelected: EventEmitter<Widget> = new EventEmitter<Widget>();
@Output()
widgetsBundleSelected: EventEmitter<WidgetsBundle> = new EventEmitter<WidgetsBundle>();
widgets: Array<Widget> = [];
widgetsBundles$: Observable<Array<WidgetsBundle>>;
constructor(private widgetsService: WidgetService,
private sanitizer: DomSanitizer) {
}
ngOnInit(): void {
this.widgetsBundles$ = this.widgetsService.getAllWidgetsBundles().pipe(
share()
);
}
ngOnChanges(changes: SimpleChanges): void {
for (const propName of Object.keys(changes)) {
const change = changes[propName];
if (change.currentValue !== change.previousValue && (change.currentValue || change.currentValue === null)) {
if (propName === 'widgetsBundle') {
this.loadLibrary();
}
}
}
}
private loadLibrary() {
this.widgets.length = 0;
if (this.widgetsBundle !== null) {
const bundleAlias = this.widgetsBundle.alias;
const isSystem = this.widgetsBundle.tenantId.id === NULL_UUID;
this.widgetsService.getBundleWidgetTypes(bundleAlias,
isSystem).subscribe(
(types) => {
types = types.sort((a, b) => b.createdTime - a.createdTime);
let top = 0;
types.forEach((type) => {
const widgetTypeInfo = toWidgetInfo(type);
const widget: Widget = {
typeId: type.id,
isSystemType: isSystem,
bundleAlias,
typeAlias: widgetTypeInfo.alias,
type: widgetTypeInfo.type,
title: widgetTypeInfo.widgetName,
image: widgetTypeInfo.image,
description: widgetTypeInfo.description,
sizeX: widgetTypeInfo.sizeX,
sizeY: widgetTypeInfo.sizeY,
row: top,
col: 0,
config: JSON.parse(widgetTypeInfo.defaultConfig)
};
widget.config.title = widgetTypeInfo.widgetName;
this.widgets.push(widget);
top += widget.sizeY;
});
}
);
}
}
hasWidgetTypes(): boolean {
return this.widgets.length > 0;
}
onWidgetClicked($event: Event, widget: Widget): void {
this.widgetSelected.emit(widget);
}
isSystem(item: WidgetsBundle): boolean {
return item && item.tenantId.id === NULL_UUID;
}
selectBundle($event: Event, bundle: WidgetsBundle) {
$event.preventDefault();
this.widgetsBundle = bundle;
this.widgetsBundleSelected.emit(bundle);
}
getPreviewImage(imageUrl: string | null): SafeUrl | string {
if (isDefinedAndNotNull(imageUrl)) {
return this.sanitizer.bypassSecurityTrustUrl(imageUrl);
}
return '/assets/widget-preview-empty.svg';
}
}