mirror of
https://github.com/Alfresco/alfresco-ng2-components.git
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83 lines
2.5 KiB
TypeScript
83 lines
2.5 KiB
TypeScript
/*!
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* @license
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* Copyright 2016 Alfresco Software, Ltd.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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import { Directive, ElementRef, EventEmitter, Input, OnInit, Output } from '@angular/core';
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import { Polyline } from './polyline';
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import { RaphaelBase } from './raphael-base';
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import { RaphaelService } from './raphael.service';
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declare let Raphael: any;
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@Directive({selector: 'raphael-flow-arrow'})
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export class RaphaelFlowArrowDirective extends RaphaelBase implements OnInit {
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@Input()
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paper: any;
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@Input()
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flow: any;
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@Output()
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error = new EventEmitter();
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ARROW_WIDTH = 4;
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SEQUENCE_FLOW_STROKE = 1.5;
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constructor(public elementRef: ElementRef,
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raphaelService: RaphaelService) {
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super(elementRef, raphaelService);
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}
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ngOnInit() {
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this.draw(this.flow);
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}
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public draw(flow: any) {
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let line = this.drawLine(flow);
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this.drawArrow(line);
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}
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public drawLine(flow: any) {
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let polyline = new Polyline(flow.id, flow.waypoints, this.SEQUENCE_FLOW_STROKE, this.paper);
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polyline.element = this.paper.path(polyline.path);
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polyline.element.attr({'stroke-width': this.SEQUENCE_FLOW_STROKE});
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polyline.element.attr({'stroke': '#585858'});
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polyline.element.node.id = this.flow.id;
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let lastLineIndex = polyline.getLinesCount() - 1;
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let line = polyline.getLine(lastLineIndex);
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return line;
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}
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public drawArrow(line: any) {
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let doubleArrowWidth = 2 * this.ARROW_WIDTH;
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let width = this.ARROW_WIDTH / 2 + .5;
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let arrowHead: any = this.paper.path('M0 0L-' + width + '-' + doubleArrowWidth + 'L' + width + ' -' + doubleArrowWidth + 'z');
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arrowHead.transform('t' + line.x2 + ',' + line.y2);
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let angle = Raphael.deg(line.angle - Math.PI / 2);
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arrowHead.transform('...r' + angle + ' 0 0');
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arrowHead.attr('fill', '#585858');
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arrowHead.attr('stroke-width', this.SEQUENCE_FLOW_STROKE);
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arrowHead.attr('stroke', '#585858');
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}
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}
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