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/**
* Copyright (c) 2017 ZTE Corporation.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* and the Apache License 2.0 which both accompany this distribution,
* and are available at http://www.eclipse.org/legal/epl-v10.html
* and http://www.apache.org/licenses/LICENSE-2.0
*
* Contributors:
* ZTE - initial API and implementation and/or initial documentation
*/
import { AfterViewInit, Component, HostListener } from '@angular/core';
import { BroadcastService } from '../../services/broadcast.service';
import { JsPlumbService } from '../../services/jsplumb.service';
import { ActivatedRoute } from "@angular/router";
import { DataAccessService } from "../../services/data-access/data-access.service";
import { WorkflowService } from "../../services/workflow.service";
import { PlanModel } from "../../model/workflow/plan-model";
import { WorkflowProcessService } from "../../services/workflow-process.service";
import { SequenceFlow } from "../../model/workflow/sequence-flow";
import { WorkflowNode } from "../../model/workflow/workflow-node";
/**
* main canvas, it contains two parts: canvas and node property component
* bpmn task nodes can be dropped into this canvas, and then the workflow can be edit
*/
@Component({
selector: 'b4t-canvas',
styleUrls: ['./canvas.component.css'],
templateUrl: 'canvas.component.html',
})
export class CanvasComponent implements AfterViewInit {
private currentType: string; // WorkflowNode, SequenceFlow
private currentWorkflowNode: WorkflowNode;
private currentSequenceFlow: SequenceFlow;
constructor(private broadcastService: BroadcastService,
private dataAccessService: DataAccessService,
private jsPlumbService: JsPlumbService,
private route: ActivatedRoute,
private workflowService: WorkflowService,
private processService: WorkflowProcessService) {
}
ngOnInit(): void {
// this.route.queryParams.subscribe(params => {
// if (params.id) {
// this.dataAccessService.catalogService.loadWorkflow(params.id).subscribe(workflow => {
// this.workflowService.workflow = workflow;
// });
// }
// });
}
public ngAfterViewInit() {
this.jsPlumbService.buttonDroppable();
this.broadcastService.currentSequenceFlow$.subscribe(sequenceFlow => this.currentSequenceFlow = sequenceFlow);
this.broadcastService.currentWorkflowNode$.subscribe(workflowNode => this.currentWorkflowNode = workflowNode);
this.broadcastService.currentType$.subscribe(type => this.currentType = type);
}
public canvasClick() {
this.broadcastService.broadcast(this.broadcastService.showProperty, false);
this.broadcastService.broadcast(this.broadcastService.showSequenceFlow, false);
}
@HostListener('window:keyup.delete', ['$event']) ondelete(event: KeyboardEvent) {
if (this.currentType === 'WorkflowNode') {
this.jsPlumbService.remove(this.currentWorkflowNode.id);
this.processService.deleteNode(this.currentWorkflowNode.id);
} else if (this.currentType === 'SequenceFlow') {
this.processService.deleteSequenceFlow(this.currentSequenceFlow.sourceRef, this.currentSequenceFlow.targetRef);
this.jsPlumbService.deleteConnect(this.currentSequenceFlow.sourceRef, this.currentSequenceFlow.targetRef);
}
}
public getWorkflow(): PlanModel {
return this.workflowService.planModel;
}
}
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