persagy-web/persagy-web-big-edit/items/SBaseArrow.ts

/*
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 *
 * *********************************************************************************************************************
 */

import { SColor, SFont, SPainter, SArrowStyleType } from "@persagy-web/draw/";
import { SBasePolylineEdit } from './../../edit';
import { SGraphItem, SLineStyle } from "@persagy-web/graph";
import { Marker } from "./../types/Marker";
import { SMouseEvent } from "@persagy-web/base/lib";
import { ItemOrder } from '@persagy-web/big/lib';

/**
 * 编辑箭头(折线)
 *
 * @author  韩耀龙(han_yao_long#163.com)
 */
export class SBaseArrow extends SBasePolylineEdit {
    ///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
    //属性
    /** 起始点样式 */
    _begin = SArrowStyleType.None;
    get begin(): SArrowStyleType {
        return this._begin;
    }
    set begin(v: SArrowStyleType) {
        this._begin = v;
        this.update();
    }
    /** 结束点样式 */
    _end = SArrowStyleType.None;
    get end(): SArrowStyleType {
        return this._end;
    }
    set end(v: SArrowStyleType) {
        this._end = v;
        this.update();
    }
    constructor(parent: SGraphItem | null, data: Marker) {
        super(parent, data);
        this.data = data;
        // 设置箭头
        if (data && data.style) {
            this.begin = data.style.begin ? data.style.begin : SArrowStyleType.None;
            this.end = data.style.end ? data.style.end : SArrowStyleType.None
        }
    }
    /**
     * 鼠标按下事件
     *
     * @param   event   保存事件参数
     * @return  boolean
     */
    onMouseDown(event: SMouseEvent): boolean {
        super.onMouseDown(event)
        return true;
    } // Function onMouseDown()

    /**
     * 绘制基本图形
     *
     * @param   painter painter对象
     * */
    drawBaseLine(painter: SPainter): void {
        // 绘制基本图形
        if (this.lineStyle == SLineStyle.Dashed) {
            painter.pen.lineDash = [
                painter.toPx(this.lineWidth * 3),
                painter.toPx(this.lineWidth * 7)
            ];
        } else if (this.lineStyle == SLineStyle.Dotted) {
            painter.pen.lineDash = [
                painter.toPx(this.lineWidth),
                painter.toPx(this.lineWidth)
            ];
        }
        painter.pen.color = this.strokeColor;
        painter.drawArrowLine(this.pointList[0], this.pointList[1], {
            begin: this.begin,
            end: SArrowStyleType.None
        });
        painter.drawArrowLine(
            this.pointList[this.pointList.length - 2],
            this.pointList[this.pointList.length - 1],
            {
                begin: SArrowStyleType.None,
                end: this.end
            }
        );
        painter.drawPolyline(this.pointList);
    } // Function drawBaseLine()

    /**
    * 返回对象储存的相关数据
    *
    * @return	formData
    */
    toData(): any {
        this.data.style.begin = this.begin;
        this.data.style.end = this.end;
        return super.toData()
    }
}