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@c8y/ngx-components

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Angular modules for Cumulocity IoT applications

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import { Component, Input, Output, EventEmitter } from '@angular/core'; import { AddressSpaceService } from './address-space.service'; import { OpcuaService } from './opcuaService'; import { AlertService } from '@c8y/ngx-components'; import { DynamicDataSource } from './dynamic-data-source'; import { NestedTreeControl } from '@angular/cdk/tree'; import { clone } from 'lodash'; import { Subject } from 'rxjs'; import { takeUntil } from 'rxjs/operators'; import * as i0 from "@angular/core"; import * as i1 from "./address-space.service"; import * as i2 from "./opcuaService"; import * as i3 from "@c8y/ngx-components"; import * as i4 from "@angular/common"; import * as i5 from "@angular/cdk/tree"; export class OpcuaAddressSpaceTreeComponent { set moId(id) { this._moId = id || undefined; } constructor(addressSpaceService, opcuaService, alertService) { this.addressSpaceService = addressSpaceService; this.opcuaService = opcuaService; this.alertService = alertService; this.focusEmitter = new EventEmitter(); this.selectedNode = new EventEmitter(); this.dataSource = null; this.loading = false; this.destroy$ = new Subject(); this.getChildren = (node) => (node.expanded ? node.children : []); this.hasChild = (_, _nodeData) => this.addressSpaceService.childrenAvailable(_nodeData.references); } ngOnInit() { this.initializeDataSet(); } ngOnChanges(changes) { if (changes.moId && changes.moId.previousValue && changes.moId.currentValue !== changes.moId.previousValue) { this.initializeDataSet(); } } initializeDataSet() { this.nodeNavDataSubscription = this.addressSpaceService .getNodeNavData$() .pipe(takeUntil(this.destroy$)) .subscribe(nodeNavData => this.openNode(nodeNavData)); this.subscriptionRef = this.focusEmitter.subscribe(node => { this.focused = this.isFocusedNode(node) ? undefined : node; }); } ngOnDestroy() { this.destroy$.next(); this.destroy$.complete(); // clean up the address-space-tree this.addressSpaceService.resetTreeToRootNode(); if (this.nodeNavDataSubscription && !this.nodeNavDataSubscription.closed) { this.nodeNavDataSubscription.unsubscribe(); } if (this.subscriptionRef && !this.subscriptionRef.closed) { this.subscriptionRef.unsubscribe(); } } async openNode(nodeNavData) { const { node, selectedAncestorIds } = nodeNavData; let nodeId; // We just set the nodeId when the selectedAncestorIds variable an empty array. // If selectedAncestorIds contain any id we assume that the tree should be travsersed beginning // from the root node. if (node && node.nodeId && selectedAncestorIds && selectedAncestorIds.length === 0) { nodeId = node.nodeId; } // Always recreate the tree when routing to a specific nested node, // because previous modifications to the tree-structure could cause errors // while traversing with 'old' tree-data // ----------------- // setupTree is able to handle nodeId = undefined await this.setupTree(nodeId); if (!selectedAncestorIds || selectedAncestorIds.length === 0) { return; } if (nodeNavData && this.dataSource) { const clonedAncestors = clone(selectedAncestorIds); clonedAncestors.shift(); const n = await this.dataSource.toggleNode(this.dataSource.data[0], true); this.setChildNodes(n.children, clonedAncestors); this.toggleFocusedNode(node); } } setChildNodes(nodes, ids) { if (nodes) { ids.forEach(async (id) => { const match = nodes.find(n => n.nodeId === id); if (match && ids.length > 0) { const idx = ids.findIndex(value => value === id); if (idx >= 0) { ids.splice(idx, 1); } const toggledNode = await this.dataSource.toggleNode(match, true); this.setChildNodes(toggledNode.children, ids); } }); } } async setupTree(nodeId) { this.loading = true; if (!this._moId || this._moId.length === 0) { this._moId = this.opcuaService.getMoId(); } // addressSpaceService.getNode returns either the root node of the server (moId) // or if nodeId !== undefined the node with given nodeId const res = await this.addressSpaceService.getNode(this._moId, nodeId); if (res) { if (res.status !== 200) { const data = res.json ? await res.json() : undefined; this.alertService.addServerFailure({ data, res }); this.dataSource = undefined; } else { const rootNode = (await res.json()); this.nestedTreeControl = new NestedTreeControl(this.getChildren); this.dataSource = new DynamicDataSource(this.nestedTreeControl, this.addressSpaceService, this._moId); this.dataSource.data = [rootNode]; } this.loading = false; } else { this.loading = false; } } getMoId() { if (!this._moId || this._moId.length === 0) { return this.opcuaService.getMoId(); } return this._moId; } getIcon(nodeClassName) { return this.addressSpaceService.getIcon(nodeClassName); } toggleFocusedNode(node) { const relativePath = []; this.getRelativePath(node, relativePath); node.relativePath = relativePath; this.selectedNode.emit(node); this.focused = this.isFocusedNode(node) ? undefined : node; } isFocusedNode(node) { if (this.focused) { return node.nodeId === this.focused.nodeId; } return false; } getRelativePath(node, relativePath) { if (node.parentNode) { relativePath.unshift(node.browseName); this.getRelativePath(node.parentNode, relativePath); } } static { this.ɵfac = i0.ɵɵngDeclareFactory({ minVersion: "12.0.0", version: "18.2.13", ngImport: i0, type: OpcuaAddressSpaceTreeComponent, deps: [{ token: i1.AddressSpaceService }, { token: i2.OpcuaService }, { token: i3.AlertService }], target: i0.ɵɵFactoryTarget.Component }); } static { this.ɵcmp = i0.ɵɵngDeclareComponent({ minVersion: "14.0.0", version: "18.2.13", type: OpcuaAddressSpaceTreeComponent, selector: "opcua-address-space-tree", inputs: { moId: "moId", node: "node", focusEmitter: "focusEmitter" }, outputs: { selectedNode: "selectedNode" }, usesOnChanges: true, ngImport: i0, template: "<div\n class=\"card-block\"\n *ngIf=\"dataSource && !loading\"\n>\n <cdk-tree\n [dataSource]=\"dataSource\"\n [treeControl]=\"nestedTreeControl\"\n >\n <!-- This is the tree node template for leaf nodes -->\n <cdk-nested-tree-node\n class=\"interact\"\n *cdkTreeNodeDef=\"let node\"\n (click)=\"toggleFocusedNode(node)\"\n [ngClass]=\"{ strong: isFocusedNode(node) }\"\n >\n <span>\n <i\n class=\"m-r-4 interact\"\n [c8yIcon]=\"getIcon(node.nodeClassName)\"\n [ngClass]=\"{ strong: isFocusedNode(node) }\"\n ></i>\n {{ node.displayName }}\n </span>\n </cdk-nested-tree-node>\n <!-- This is the tree node template for expandable nodes -->\n <cdk-nested-tree-node *cdkTreeNodeDef=\"let node; when: hasChild\">\n <div role=\"group\">\n <div class=\"d-flex a-i-center\">\n <button\n class=\"btn-clean text-primary m-r-4\"\n title=\"{{ 'Expand node' | translate }}\"\n cdkTreeNodeToggle\n [disabled]=\"node.currentlyLoadingChildren\"\n >\n <i\n [ngClass]=\"{\n 'dlt-c8y-icon-plus-square': !node.expanded,\n 'dlt-c8y-icon-minus-square': node.expanded\n }\"\n ></i>\n </button>\n <i\n class=\"m-r-4 interact\"\n [c8yIcon]=\"getIcon(node.nodeClassName)\"\n ></i>\n <span\n class=\"interact\"\n (click)=\"toggleFocusedNode(node)\"\n [ngClass]=\"{ strong: isFocusedNode(node) }\"\n >\n {{ node.displayName }}\n </span>\n <span\n class=\"m-l-4\"\n [style.visibility]=\"node.currentlyLoadingChildren ? 'visible' : 'hidden'\"\n >\n <i class=\"dlt-c8y-icon-circle-o-notch icon-spin\"></i>\n </span>\n </div>\n <ng-container cdkTreeNodeOutlet></ng-container>\n </div>\n </cdk-nested-tree-node>\n </cdk-tree>\n</div>\n<div\n class=\"p-t-8\"\n *ngIf=\"loading\"\n>\n <c8y-loading></c8y-loading>\n</div>\n<div\n class=\"alert alert-info m-t-16\"\n *ngIf=\"!dataSource && !loading\"\n translate\n>\n No source data available to fetch address space.\n</div>\n", dependencies: [{ kind: "directive", type: i3.IconDirective, selector: "[c8yIcon]", inputs: ["c8yIcon"] }, { kind: "directive", type: i3.C8yTranslateDirective, selector: "[translate],[ngx-translate]" }, { kind: "directive", type: i4.NgClass, selector: "[ngClass]", inputs: ["class", "ngClass"] }, { kind: "directive", type: i4.NgIf, selector: "[ngIf]", inputs: ["ngIf", "ngIfThen", "ngIfElse"] }, { kind: "component", type: i3.LoadingComponent, selector: "c8y-loading", inputs: ["layout", "progress", "message"] }, { kind: "directive", type: i5.CdkNestedTreeNode, selector: "cdk-nested-tree-node", exportAs: ["cdkNestedTreeNode"] }, { kind: "directive", type: i5.CdkTreeNodeDef, selector: "[cdkTreeNodeDef]", inputs: ["cdkTreeNodeDefWhen"] }, { kind: "directive", type: i5.CdkTreeNodeToggle, selector: "[cdkTreeNodeToggle]", inputs: ["cdkTreeNodeToggleRecursive"] }, { kind: "component", type: i5.CdkTree, selector: "cdk-tree", inputs: ["dataSource", "treeControl", "levelAccessor", "childrenAccessor", "trackBy", "expansionKey"], exportAs: ["cdkTree"] }, { kind: "directive", type: i5.CdkTreeNodeOutlet, selector: "[cdkTreeNodeOutlet]" }, { kind: "pipe", type: i3.C8yTranslatePipe, name: "translate" }] }); } } i0.ɵɵngDeclareClassMetadata({ minVersion: "12.0.0", version: "18.2.13", ngImport: i0, type: OpcuaAddressSpaceTreeComponent, decorators: [{ type: Component, args: [{ selector: 'opcua-address-space-tree', template: "<div\n class=\"card-block\"\n *ngIf=\"dataSource && !loading\"\n>\n <cdk-tree\n [dataSource]=\"dataSource\"\n [treeControl]=\"nestedTreeControl\"\n >\n <!-- This is the tree node template for leaf nodes -->\n <cdk-nested-tree-node\n class=\"interact\"\n *cdkTreeNodeDef=\"let node\"\n (click)=\"toggleFocusedNode(node)\"\n [ngClass]=\"{ strong: isFocusedNode(node) }\"\n >\n <span>\n <i\n class=\"m-r-4 interact\"\n [c8yIcon]=\"getIcon(node.nodeClassName)\"\n [ngClass]=\"{ strong: isFocusedNode(node) }\"\n ></i>\n {{ node.displayName }}\n </span>\n </cdk-nested-tree-node>\n <!-- This is the tree node template for expandable nodes -->\n <cdk-nested-tree-node *cdkTreeNodeDef=\"let node; when: hasChild\">\n <div role=\"group\">\n <div class=\"d-flex a-i-center\">\n <button\n class=\"btn-clean text-primary m-r-4\"\n title=\"{{ 'Expand node' | translate }}\"\n cdkTreeNodeToggle\n [disabled]=\"node.currentlyLoadingChildren\"\n >\n <i\n [ngClass]=\"{\n 'dlt-c8y-icon-plus-square': !node.expanded,\n 'dlt-c8y-icon-minus-square': node.expanded\n }\"\n ></i>\n </button>\n <i\n class=\"m-r-4 interact\"\n [c8yIcon]=\"getIcon(node.nodeClassName)\"\n ></i>\n <span\n class=\"interact\"\n (click)=\"toggleFocusedNode(node)\"\n [ngClass]=\"{ strong: isFocusedNode(node) }\"\n >\n {{ node.displayName }}\n </span>\n <span\n class=\"m-l-4\"\n [style.visibility]=\"node.currentlyLoadingChildren ? 'visible' : 'hidden'\"\n >\n <i class=\"dlt-c8y-icon-circle-o-notch icon-spin\"></i>\n </span>\n </div>\n <ng-container cdkTreeNodeOutlet></ng-container>\n </div>\n </cdk-nested-tree-node>\n </cdk-tree>\n</div>\n<div\n class=\"p-t-8\"\n *ngIf=\"loading\"\n>\n <c8y-loading></c8y-loading>\n</div>\n<div\n class=\"alert alert-info m-t-16\"\n *ngIf=\"!dataSource && !loading\"\n translate\n>\n No source data available to fetch address space.\n</div>\n" }] }], ctorParameters: () => [{ type: i1.AddressSpaceService }, { type: i2.OpcuaService }, { type: i3.AlertService }], propDecorators: { moId: [{ type: Input }], node: [{ type: Input }], focusEmitter: [{ type: Input }], selectedNode: [{ type: Output }] } }); //# 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{\n  Component,\n  Input,\n  Output,\n  OnInit,\n  EventEmitter,\n  OnDestroy,\n  OnChanges,\n  SimpleChanges\n} from '@angular/core';\nimport { AddressSpaceNode, AddressSpaceService, NodeNavigationData } from './address-space.service';\nimport { OpcuaService } from './opcuaService';\nimport { AlertService } from '@c8y/ngx-components';\nimport { DynamicDataSource } from './dynamic-data-source';\nimport { NestedTreeControl } from '@angular/cdk/tree';\nimport { clone } from 'lodash';\nimport { Subject, Subscription } from 'rxjs';\nimport { takeUntil } from 'rxjs/operators';\n\n@Component({\n  selector: 'opcua-address-space-tree',\n  templateUrl: './opcua-address-space-tree.component.html'\n})\nexport class OpcuaAddressSpaceTreeComponent implements OnInit, OnDestroy, OnChanges {\n  @Input()\n  set moId(id: string) {\n    this._moId = id || undefined;\n  }\n\n  @Input() node;\n  @Input() focusEmitter: EventEmitter<AddressSpaceNode> = new EventEmitter<AddressSpaceNode>();\n  @Output() selectedNode: EventEmitter<AddressSpaceNode> = new EventEmitter<AddressSpaceNode>();\n  nestedTreeControl: NestedTreeControl<AddressSpaceNode>;\n  dataSource: DynamicDataSource = null;\n  focused: AddressSpaceNode;\n  loading = false;\n  subscriptionRef: Subscription;\n  nodeNavDataSubscription: Subscription;\n  private _moId: string;\n  private destroy$: Subject<void> = new Subject<void>();\n\n  constructor(\n    private addressSpaceService: AddressSpaceService,\n    private opcuaService: OpcuaService,\n    private alertService: AlertService\n  ) {}\n\n  getChildren = (node: AddressSpaceNode) => (node.expanded ? node.children : []);\n  hasChild = (_: number, _nodeData: AddressSpaceNode) =>\n    this.addressSpaceService.childrenAvailable(_nodeData.references);\n\n  ngOnInit() {\n    this.initializeDataSet();\n  }\n\n  ngOnChanges(changes: SimpleChanges) {\n    if (\n      changes.moId &&\n      changes.moId.previousValue &&\n      changes.moId.currentValue !== changes.moId.previousValue\n    ) {\n      this.initializeDataSet();\n    }\n  }\n\n  initializeDataSet() {\n    this.nodeNavDataSubscription = this.addressSpaceService\n      .getNodeNavData$()\n      .pipe(takeUntil(this.destroy$))\n      .subscribe(nodeNavData => this.openNode(nodeNavData));\n    this.subscriptionRef = this.focusEmitter.subscribe(node => {\n      this.focused = this.isFocusedNode(node) ? undefined : node;\n    });\n  }\n\n  ngOnDestroy() {\n    this.destroy$.next();\n    this.destroy$.complete();\n    // clean up the address-space-tree\n    this.addressSpaceService.resetTreeToRootNode();\n\n    if (this.nodeNavDataSubscription && !this.nodeNavDataSubscription.closed) {\n      this.nodeNavDataSubscription.unsubscribe();\n    }\n\n    if (this.subscriptionRef && !this.subscriptionRef.closed) {\n      this.subscriptionRef.unsubscribe();\n    }\n  }\n\n  async openNode(nodeNavData: NodeNavigationData) {\n    const { node, selectedAncestorIds } = nodeNavData;\n    let nodeId;\n\n    // We just set the nodeId when the selectedAncestorIds variable an empty array.\n    // If selectedAncestorIds contain any id we assume that the tree should be travsersed beginning\n    // from the root node.\n    if (node && node.nodeId && selectedAncestorIds && selectedAncestorIds.length === 0) {\n      nodeId = node.nodeId;\n    }\n    // Always recreate the tree when routing to a specific nested node,\n    // because previous modifications to the tree-structure could cause errors\n    // while traversing with 'old' tree-data\n    // -----------------\n    // setupTree is able to handle nodeId = undefined\n    await this.setupTree(nodeId);\n\n    if (!selectedAncestorIds || selectedAncestorIds.length === 0) {\n      return;\n    }\n\n    if (nodeNavData && this.dataSource) {\n      const clonedAncestors = clone(selectedAncestorIds);\n      clonedAncestors.shift();\n\n      const n = await this.dataSource.toggleNode(this.dataSource.data[0], true);\n      this.setChildNodes(n.children, clonedAncestors);\n\n      this.toggleFocusedNode(node);\n    }\n  }\n\n  setChildNodes(nodes: AddressSpaceNode[], ids: string[]) {\n    if (nodes) {\n      ids.forEach(async id => {\n        const match = nodes.find(n => n.nodeId === id);\n        if (match && ids.length > 0) {\n          const idx = ids.findIndex(value => value === id);\n          if (idx >= 0) {\n            ids.splice(idx, 1);\n          }\n          const toggledNode = await this.dataSource.toggleNode(match, true);\n          this.setChildNodes(toggledNode.children, ids);\n        }\n      });\n    }\n  }\n\n  async setupTree(nodeId?: string) {\n    this.loading = true;\n\n    if (!this._moId || this._moId.length === 0) {\n      this._moId = this.opcuaService.getMoId();\n    }\n\n    // addressSpaceService.getNode returns either the root node of the server (moId)\n    // or if nodeId !== undefined the node with given nodeId\n    const res = await this.addressSpaceService.getNode(this._moId, nodeId);\n    if (res) {\n      if (res.status !== 200) {\n        const data = res.json ? await res.json() : undefined;\n        this.alertService.addServerFailure({ data, res });\n        this.dataSource = undefined;\n      } else {\n        const rootNode = (await res.json()) as AddressSpaceNode;\n        this.nestedTreeControl = new NestedTreeControl<AddressSpaceNode>(this.getChildren);\n        this.dataSource = new DynamicDataSource(\n          this.nestedTreeControl,\n          this.addressSpaceService,\n          this._moId\n        );\n        this.dataSource.data = [rootNode];\n      }\n      this.loading = false;\n    } else {\n      this.loading = false;\n    }\n  }\n\n  getMoId() {\n    if (!this._moId || this._moId.length === 0) {\n      return this.opcuaService.getMoId();\n    }\n    return this._moId;\n  }\n\n  getIcon(nodeClassName) {\n    return this.addressSpaceService.getIcon(nodeClassName);\n  }\n\n  toggleFocusedNode(node) {\n    const relativePath = [];\n    this.getRelativePath(node, relativePath);\n    node.relativePath = relativePath;\n\n    this.selectedNode.emit(node);\n    this.focused = this.isFocusedNode(node) ? undefined : node;\n  }\n\n  isFocusedNode(node: AddressSpaceNode) {\n    if (this.focused) {\n      return node.nodeId === this.focused.nodeId;\n    }\n    return false;\n  }\n\n  private getRelativePath(node: AddressSpaceNode, relativePath: string[]) {\n    if (node.parentNode) {\n      relativePath.unshift(node.browseName);\n      this.getRelativePath(node.parentNode, relativePath);\n    }\n  }\n}\n","<div\n  class=\"card-block\"\n  *ngIf=\"dataSource && !loading\"\n>\n  <cdk-tree\n    [dataSource]=\"dataSource\"\n    [treeControl]=\"nestedTreeControl\"\n  >\n    <!-- This is the tree node template for leaf nodes -->\n    <cdk-nested-tree-node\n      class=\"interact\"\n      *cdkTreeNodeDef=\"let node\"\n      (click)=\"toggleFocusedNode(node)\"\n      [ngClass]=\"{ strong: isFocusedNode(node) }\"\n    >\n      <span>\n        <i\n          class=\"m-r-4 interact\"\n          [c8yIcon]=\"getIcon(node.nodeClassName)\"\n          [ngClass]=\"{ strong: isFocusedNode(node) }\"\n        ></i>\n        {{ node.displayName }}\n      </span>\n    </cdk-nested-tree-node>\n    <!-- This is the tree node template for expandable nodes -->\n    <cdk-nested-tree-node *cdkTreeNodeDef=\"let node; when: hasChild\">\n      <div role=\"group\">\n        <div class=\"d-flex a-i-center\">\n          <button\n            class=\"btn-clean text-primary m-r-4\"\n            title=\"{{ 'Expand node' | translate }}\"\n            cdkTreeNodeToggle\n            [disabled]=\"node.currentlyLoadingChildren\"\n          >\n            <i\n              [ngClass]=\"{\n                'dlt-c8y-icon-plus-square': !node.expanded,\n                'dlt-c8y-icon-minus-square': node.expanded\n              }\"\n            ></i>\n          </button>\n          <i\n            class=\"m-r-4 interact\"\n            [c8yIcon]=\"getIcon(node.nodeClassName)\"\n          ></i>\n          <span\n            class=\"interact\"\n            (click)=\"toggleFocusedNode(node)\"\n            [ngClass]=\"{ strong: isFocusedNode(node) }\"\n          >\n            {{ node.displayName }}\n          </span>\n          <span\n            class=\"m-l-4\"\n            [style.visibility]=\"node.currentlyLoadingChildren ? 'visible' : 'hidden'\"\n          >\n            <i class=\"dlt-c8y-icon-circle-o-notch icon-spin\"></i>\n          </span>\n        </div>\n        <ng-container cdkTreeNodeOutlet></ng-container>\n      </div>\n    </cdk-nested-tree-node>\n  </cdk-tree>\n</div>\n<div\n  class=\"p-t-8\"\n  *ngIf=\"loading\"\n>\n  <c8y-loading></c8y-loading>\n</div>\n<div\n  class=\"alert alert-info m-t-16\"\n  *ngIf=\"!dataSource && !loading\"\n  translate\n>\n  No source data available to fetch address space.\n</div>\n"]}