persagy-web-doc/docs/.vuepress/components/tDInsert/addPictrueClass/FloorView.ts

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 */

import { SGraphView } from "@persagy-web/graph";
import { SMouseButton, SMouseEvent, SNetUtil } from "@persagy-web/base/";
import { SPoint } from "@persagy-web/draw/";

/**
 * 楼层视图
 *
 * @author  韩耀龙 <han_yao_long@163.com>
 */
export class FloorView extends SGraphView {


    /** 鼠标左键键按下时位置 */
    private _leftKeyPos = new SPoint();

    /** 保存左键的坐标 */
    private _downPoint = new SPoint();

    /** 是否拖拽 */
    isDrag: boolean = false;
    constructor(id: string) {
        super(id);
        console.log(this.fitSelectedToView);

    }

    /**
     * 鼠标按下事件
     *
     * @param   event       事件参数
     */
    protected onMouseDown(event: MouseEvent): void {
        let se = new SMouseEvent(event);
        if (se.buttons & SMouseButton.LeftButton) {
            this._leftKeyPos.x = se.x;
            this._leftKeyPos.y = se.y;
            this._downPoint.x = se.x;
            this._downPoint.y = se.y;
        }
       super.onMouseDown(event);
    }

    /**
     * 鼠标移动事件
     *
     * @param   event       事件参数
     */
    protected onMouseMove(event: MouseEvent): void {
        super.onMouseMove(event);
        // 按左键移动
        let se = new SMouseEvent(event);
        if (se.buttons & SMouseButton.LeftButton) {
            this.origin.x += se.x - this._leftKeyPos.x;
            this.origin.y += se.y - this._leftKeyPos.y;
            this.update()
        };
        this._leftKeyPos.x = se.x;
        this._leftKeyPos.y = se.y;

    } // Function onMouseMove()

    protected onMouseUp(event: MouseEvent): void {
        let se = new SMouseEvent(event);
        // 通过判断是否按住左键拖动来判断是否是拖动还是单击
        if ((this._downPoint.x == se.x) && (this._downPoint.y == se.y)) {
            this.isDrag = false;
        } else {
            this.isDrag = true;
        }
        super.onMouseUp(event);
    }
}