adm-diagram-front/adm_comp/src/lib/ContainerRefPoint.ts

import {Point, ViewTool} from './UIUtils';

/**
 * 容器边界上的参考点
 * @author zhaoyk
 */
export class ContainerRefPoint {
	
	static TL = "TL";
	static TR = "TR";
	static BR = "BR";
	static BL = "BL";
	
	containerId: string;
	name: string;
	location: Point;
	
	constructor(containerId:string, name:string){
		this.containerId = containerId;
		this.name = name;
	}
	
	static getRefPoints(containerId:string, conLocation: Point, conSize: Point): Array<ContainerRefPoint> {
		const points = new Array<ContainerRefPoint>();

		ContainerRefPoint.addPoint(containerId, ContainerRefPoint.TL, new Point(conLocation.x, conLocation.y), points);
		ContainerRefPoint.addPoint(containerId, ContainerRefPoint.TR, new Point(conLocation.x + conSize.x, conLocation.y), points);
		ContainerRefPoint.addPoint(containerId, ContainerRefPoint.BR, new Point(conLocation.x + conSize.x, conLocation.y + conSize.y), points);
		ContainerRefPoint.addPoint(containerId, ContainerRefPoint.BL, new Point(conLocation.x, conLocation.y + conSize.y), points);

		var len = conSize.x / 4;
		for (var i = 1; i <= 3; i++) {
			ContainerRefPoint.addPoint(containerId, "T" + i, new Point(conLocation.x + len * i, conLocation.y), points);
			ContainerRefPoint.addPoint(containerId, "B" + i, new Point(conLocation.x + len * i, conLocation.y + conSize.y), points);
		}
		len = conSize.y / 4;
		for (var i = 1; i <= 3; i++) {
			ContainerRefPoint.addPoint(containerId, "L" + i, new Point(conLocation.x, conLocation.y + len * i), points);
			ContainerRefPoint.addPoint(containerId, "R" + i, new Point(conLocation.x + conSize.x, conLocation.y + len * i), points);
		}

		return points;
	}

	static addPoint(containerId: string, name: string, location: Point, points: Array<ContainerRefPoint>): void{
		const refPoint = new ContainerRefPoint(containerId, name);
		refPoint.location  = location;
		points.push(refPoint);
	}

	static getRefPoint(containerId:string, conLocation: Point, conSize: Point, refName: string) : ContainerRefPoint{
		const list = ContainerRefPoint.getRefPoints(containerId, conLocation, conSize);
		for(const p of list) {
			if(p.name.toLowerCase() == refName.toLowerCase())
				return p;
		}
		return null;
	}
	
}