saga-topo/src/items/BaseRelationItem.ts

/*
 * ********************************************************************************************************************
 *
 *                      :*$@@%$*:                         ;:                ;;    ;;
 *                    :@@%!  :!@@%:                       %!             ;%%@@%$ =@@@@@@@%;     @%@@@%%%%@@@@@
 *                   :@%;       :$=                       %%$$$%$$         ;$$  ;$@=   !@$
 *                   =@!                                  %!              @ $=;%   !@@@%:      !$$$$$$$$$$$$$$=
 *                   =@*                                  %!              @ $= % %@=   =%@!      %=
 *              *$%%! @@=        ;=$%%%$*:                %!              @ $= % =%%%%%%@$      *%:         =%
 *            %@@!:    !@@@%=$@@@@%!  :*@@$:              %!              @ $= % $*     ;@      @*          :%*
 *          ;@@!          ;!!!;:         ;@%:      =======@%========*     @ $$ % $%*****$@     :@$=*********=@$
 *          $@*   ;@@@%=!:                *@*
 *          =@$    ;;;!=%@@@@=!           =@!
 *           %@$:      =@%: :*@@@*       %@=                    Copyright (c) 2016-2020.  北京上格云技术有限公司
 *            ;%@@$=$@@%*       *@@@$=%@@%;
 *               ::;::             ::;::                                              All rights reserved.
 *
 * ********************************************************************************************************************
 */

import { SGraphyItem } from "@saga-web/graphy/lib";
import { SPainter, SPoint, SRect } from "@saga-web/draw/lib";
import { Relation } from "../types/Relation";
import { SMouseEvent } from "@saga-web/base/lib";

/**
 * 关系item
 *
 * @author  郝建龙
 */
export class BaseRelationItem extends SGraphyItem {
    /** X坐标最小值  */
    minX = Number.MAX_SAFE_INTEGER;
    /** X坐标最大值  */
    maxX = Number.MIN_SAFE_INTEGER;
    /** Y坐标最小值  */
    minY = Number.MAX_SAFE_INTEGER;
    /** Y坐标最大值  */
    maxY = Number.MIN_SAFE_INTEGER;

    /**
     * Item对象边界区域
     *
     * @return SRect
     */
    boundingRect(): SRect {
        return new SRect(
            this.minX,
            this.minY,
            this.maxX - this.minX,
            this.maxY - this.minY
        );
    } // Function boundingRect()
} // Class BaseRelationItem