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-/*
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- * ********************************************************************************************************************
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- *
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- * :*$@@%$*: ;: ;; ;;
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- * :@@%! :!@@%: %! ;%%@@%$ =@@@@@@@%; @%@@@%%%%@@@@@
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- * :@%; :$= %%$$$%$$ ;$$ ;$@= !@$
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- * =@! %! @ $=;% !@@@%: !$$$$$$$$$$$$$$=
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- * =@* %! @ $= % %@= =%@! %=
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- * *$%%! @@= ;=$%%%$*: %! @ $= % =%%%%%%@$ *%: =%
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- * %@@!: !@@@%=$@@@@%! :*@@$: %! @ $= % $* ;@ @* :%*
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- * ;@@! ;!!!;: ;@%: =======@%========* @ $$ % $%*****$@ :@$=*********=@$
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- * $@* ;@@@%=!: *@*
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- * =@$ ;;;!=%@@@@=! =@!
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- * %@$: =@%: :*@@@* %@= Copyright (c) 2016-2019. 北京上格云技术有限公司
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- * ;%@@$=$@@%* *@@@$=%@@%;
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- * ::;:: ::;:: All rights reserved.
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- *
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- * ********************************************************************************************************************
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- */
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-import { SGraphItem, SGraphPointListInsert, SGraphPointListDelete, SGraphPointListUpdate } from "@saga-web/graph/lib";
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-import { SMouseEvent, SUndoStack } from "@saga-web/base/";;
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-import {
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- SColor,
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- SLineCapStyle,
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- SPainter,
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- SPoint,
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- SRect,
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- SLine,
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- SPolygonUtil
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-} from "@saga-web/draw";
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-import { SMathUtil } from "@saga-web/big/lib/utils/SMathUtil";
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-import { SItemStatus } from "@saga-web/big";
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-
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-/**
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- * 编辑多边形
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- *
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- * @author 韩耀龙
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- */
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-export class SPolygonItem extends SGraphItem {
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- /** X坐标最小值 */
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- private minX = Number.MAX_SAFE_INTEGER;
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- /** X坐标最大值 */
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- private maxX = Number.MIN_SAFE_INTEGER;
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- /** Y坐标最小值 */
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- private minY = Number.MAX_SAFE_INTEGER;
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- /** Y坐标最大值 */
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- private maxY = Number.MIN_SAFE_INTEGER;
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- /** 轮廓线坐标 */
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- private pointList: SPoint[] = [];
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- // 获取当前状态
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- get getPointList(): SPoint[] {
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- return this.pointList;
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- }
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- // 编辑当前状态
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- set setPointList(arr: SPoint[]) {
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- this.pointList = arr;
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- this.update();
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- };
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- /** 是否闭合 */
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- closeFlag: boolean = false;
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- // 当前状态
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- protected _status: number = SItemStatus.Normal;
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- // 获取当前状态
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- get status(): SItemStatus {
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- return this._status;
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- }
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- // 编辑当前状态
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- set status(value: SItemStatus) {
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- this._status = value;
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- // 如果状态为show则需清栈
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- if (value == SItemStatus.Normal) {
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- if (this.undoStack) {
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- this.undoStack.clear();
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- }
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- }
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- this.update();
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- };
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- data: any | null = null;
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- /** 边框颜色 */
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- _strokeColor: SColor = new SColor("#0091FF");
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- /** 画笔颜色 */
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- get strokeColor(): SColor {
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- return this._strokeColor
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- };
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- set strokeColor(v: SColor) {
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- this._strokeColor = v;
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- this.update()
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- }
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- /** 填充颜色 */
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- _fillColor: SColor = new SColor("#1EE887");
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- get fillColor(): SColor {
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- return this._fillColor
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- };
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- set fillColor(v: SColor) {
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- this._fillColor = v;
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- this.update()
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- }
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-
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- /** 边框的宽 只可输入像素宽*/
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- _lineWidth: number = 4;
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- get lineWidth(): number {
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- return this._lineWidth
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- }
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- set lineWidth(v: number) {
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- this._lineWidth = v;
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- this.update();
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- };
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- /** 鼠标移动点 */
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- private lastPoint: SPoint | null = null;
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- /** 当前鼠标获取顶点对应索引 */
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- private curIndex: number = -1;
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- /** 当前鼠标获取顶点对应坐标 */
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- private curPoint: null | SPoint = null
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- /** 灵敏像素 */
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- private len: number = 10;
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- /** 场景像素 内部将灵敏像素换算为场景实际距离 */
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- private scenceLen: number = 15;
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- /** 场景像素 */
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- private isAlt: boolean = false;
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- /** undoredo堆栈 */
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- protected undoStack: SUndoStack | null = new SUndoStack();
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-
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- /**
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- * 构造函数
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- *
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- * @param parent 指向父对象
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- * @param data PolygonData数据
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- */
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- constructor(parent: SGraphItem | null) {
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- super(parent);
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- }
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-
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- //////////////////
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- // 以下为对pointList 数组的操作方法
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-
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- /**
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- * 储存新的多边形顶点
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- *
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- * @param x 点位得x坐标
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- * @param y 点位得y坐标
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- * @param i 储存所在索引
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- * @return SPoint。添加的顶点
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- */
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- insertPoint(x: number, y: number, i: number | null = null): SPoint {
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- const point = new SPoint(x, y);
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- if (i == null) {
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- this.pointList.push(point)
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- } else {
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- this.pointList.splice(i, 0, point);
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- }
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- this.update()
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- return point
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- }
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-
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- /**
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- * 删除点位
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- *
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- * @param i 删除点所在的索引
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- * @return SPoint|null。索引不在数组范围则返回null
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- */
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- deletePoint(i: number | null = null): SPoint | null {
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- let point = null;
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- if (i != null) {
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- if (i >= (this.pointList.length) || i < 0) {
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- point = null
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- } else {
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- point = new SPoint(this.pointList[i].x, this.pointList[i].y);
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- this.pointList.splice(i, 1);
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- }
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- } else {
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- if (this.pointList.length) {
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- point = this.pointList[this.pointList.length - 1];
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- this.pointList.pop();
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- } else {
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- point = null
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- }
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- }
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- this.update()
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- return point
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- }
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-
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- /**
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- * 多边形顶点的移动位置
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- *
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- * @param x 点位得x坐标
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- * @param y 点位得y坐标
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- * @param i 点位得i坐标
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- * @return 移动对应得点。如果索引无法找到移动顶点,则返回null
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- */
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- movePoint(x: number, y: number, i: number, ): SPoint | null {
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- let point = null;
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- if (i >= (this.pointList.length) || i < 0) {
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- return null
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- }
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- if (this.pointList.length) {
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- this.pointList[i].x = x;
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- this.pointList[i].y = y;
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- }
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- point = this.pointList[i];
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- return point
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- }
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-
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- /**
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- * 打印出多边形数组
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- *
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- * @return 顶点数组
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- */
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- PrintPointList(): SPoint[] {
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- return this.pointList
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- }
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-
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- ////////////
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- // 以下为三种状态下的绘制多边形方法
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-
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- /**
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- * 展示状态 --绘制多边形数组
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- *
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- * @param painter 绘制类
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- * @param pointList 绘制多边形数组
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- */
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- protected drawShowPolygon(painter: SPainter, pointList: SPoint[]): void {
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- painter.save();
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- painter.pen.lineCapStyle = SLineCapStyle.Square;
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- painter.pen.color = this._strokeColor;
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- painter.pen.lineWidth = painter.toPx(this._lineWidth);
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- painter.brush.color = this._fillColor;
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- if (this.selected) {
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- painter.shadow.shadowBlur = 10;
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- painter.shadow.shadowColor = new SColor(`#00000060`);
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- painter.shadow.shadowOffsetX = 5;
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- painter.shadow.shadowOffsetY = 5;
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- } else {
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- painter.shadow.shadowColor = SColor.Transparent;
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- }
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- painter.drawPolygon([...pointList]);
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- painter.restore();
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- }
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-
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-
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- /**
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- * 创建状态 --绘制多边形数组
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- *
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- * @param painter 绘制类
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- * @param pointList 绘制多边形数组
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- */
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- protected drawCreatePolygon(painter: SPainter, pointList: SPoint[]): void {
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- painter.pen.lineCapStyle = SLineCapStyle.Square;
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- painter.pen.color = this._strokeColor;
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- painter.pen.lineWidth = painter.toPx(this._lineWidth);
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- if (this.lastPoint && pointList.length) {
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- painter.drawLine(pointList[pointList.length - 1].x, pointList[pointList.length - 1].y, this.lastPoint.x, this.lastPoint.y);
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- }
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- painter.drawPolyline(pointList);
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- painter.pen.color = SColor.Transparent;
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- painter.brush.color = new SColor(this._fillColor.value + "80");
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- painter.pen.lineWidth = painter.toPx(this._lineWidth);
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-
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- if (this.lastPoint) {
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- painter.drawPolygon([...pointList, this.lastPoint]);
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- // 绘制顶点块
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- painter.pen.color = SColor.Black;
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- painter.brush.color = SColor.White;
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- pointList.forEach((item, index) => {
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- painter.drawCircle(item.x, item.y, painter.toPx(this.len / 2))
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- });
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- } else {
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- painter.drawPolygon(pointList);
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- }
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-
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- }
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-
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- /**
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- *
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- * 编辑状态 --绘制多边形数组
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- *
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- * @param painter 绘制类
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- * @param pointList 绘制多边形数组
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- */
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- protected drawEditPolygon(painter: SPainter, pointList: SPoint[]): void {
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- // 展示多边形
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- painter.pen.lineCapStyle = SLineCapStyle.Square;
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- painter.pen.color = this._strokeColor;
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- painter.pen.lineWidth = painter.toPx(this._lineWidth);
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- painter.brush.color = new SColor(this._fillColor.value + "80");
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- painter.drawPolygon([...pointList]);
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- // 绘制顶点块
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- painter.pen.color = SColor.Black;
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- painter.brush.color = SColor.White;
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- pointList.forEach((item, index) => {
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- painter.drawCircle(item.x, item.y, painter.toPx(this.len / 2))
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- })
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- }
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-
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- /**
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- * 编辑状态操作多边形数组
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- *
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- * @param event 鼠标事件
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- *
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- *
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- */
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- protected editPolygonPoint(event: SMouseEvent): void {
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- // 判断是否为删除状态 isAlt = true为删除状态
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- if (this.isAlt) {
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- // 1 判断是否点击在多边形顶点
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- let lenIndex = -1; // 当前点击到的点位索引;
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- let curenLen = this.scenceLen; // 当前的灵敏度
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- this.pointList.forEach((item, index) => {
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- let dis = SMathUtil.pointDistance(
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- event.x,
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- event.y,
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- item.x,
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- item.y
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- );
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- if (dis < curenLen) {
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- curenLen = dis;
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- lenIndex = index;
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- }
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- });
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- // 若点击到,对该索引对应的点做删除
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- if (lenIndex != -1) {
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- if (this.pointList.length <= 3) {
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- return
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- }
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- const delePoint = new SPoint(this.pointList[lenIndex].x, this.pointList[lenIndex].y)
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- this.deletePoint(lenIndex);
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- // 记录顶点操作记录压入堆栈
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- this.recordAction(SGraphPointListDelete, [this.pointList, delePoint, lenIndex]);
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- }
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- } else {
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- // 1 判断是否点击在多边形顶点
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- this.curIndex = -1;
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- this.curPoint = null;
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- let lenIndex = -1; // 当前点击到的点位索引;
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- let curenLen = this.scenceLen; // 当前的灵敏度
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- this.pointList.forEach((item, index) => {
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- let dis = SMathUtil.pointDistance(
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- event.x,
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- event.y,
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- item.x,
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- item.y
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- );
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- if (dis < curenLen) {
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- curenLen = dis;
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- lenIndex = index;
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- }
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- });
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- this.curIndex = lenIndex;
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- // 2判断是否点击在多边形得边上
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- if (-1 == lenIndex) {
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- let len = SMathUtil.pointToLine(
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- new SPoint(event.x, event.y),
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- new SLine(this.pointList[0], this.pointList[1])
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- ),
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- index = 0;
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- if (this.pointList.length > 2) {
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- for (let i = 1; i < this.pointList.length; i++) {
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- let dis = SMathUtil.pointToLine(
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- new SPoint(event.x, event.y),
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- new SLine(this.pointList[i], this.pointList[i + 1])
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- );
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- if ((i + 1) == this.pointList.length) {
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- dis = SMathUtil.pointToLine(
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- new SPoint(event.x, event.y),
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- new SLine(this.pointList[i], this.pointList[0])
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- );
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- }
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- if (dis.MinDis < len.MinDis) {
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- len = dis;
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- index = i;
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- }
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- }
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- }
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- // 判断是否有点
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- if (len.Point) {
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- console.log(index,len.Point);
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- // 点在了多边形的边上
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- if (len.MinDis <= this.scenceLen) {
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- this.pointList.splice(index + 1, 0, len.Point);
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- // 记录新增顶点操作记录压入堆栈
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- this.recordAction(SGraphPointListInsert, [this.pointList, len.Point, index + 1]);
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- } else { //没点在多边形边上也没点在多边形顶点上
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- super.onMouseDown(event);
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- }
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- }
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- } else {
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- // 当捕捉到顶点后 ,记录当前点的xy坐标,用于undo、redo操作
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- this.curPoint = new SPoint(this.pointList[this.curIndex].x, this.pointList[this.curIndex].y);
|
|
|
- }
|
|
|
- // 刷新视图
|
|
|
- this.update();
|
|
|
- }
|
|
|
-
|
|
|
- }
|
|
|
-
|
|
|
- /////////////////////
|
|
|
- // undo、redo相关操作
|
|
|
-
|
|
|
- /**
|
|
|
- * 记录相关动作并推入栈中
|
|
|
- * @param SGraphCommand 相关命令类
|
|
|
- * @param any 对应传入参数
|
|
|
- */
|
|
|
- protected recordAction(SGraphCommand: any, any: any[]): void {
|
|
|
- // 记录相关命令并推入堆栈中
|
|
|
- const sgraphcommand = new SGraphCommand(this, ...any);
|
|
|
- if (this.undoStack) {
|
|
|
- this.undoStack.push(sgraphcommand);
|
|
|
- }
|
|
|
- }
|
|
|
-
|
|
|
- /**
|
|
|
- * 执行取消操作执行
|
|
|
- */
|
|
|
- undo(): void {
|
|
|
- if (this.status == SItemStatus.Normal) {
|
|
|
- return
|
|
|
- }
|
|
|
- if (this.undoStack) {
|
|
|
- this.undoStack.undo();
|
|
|
- }
|
|
|
- }
|
|
|
-
|
|
|
- /**
|
|
|
- * 执行重做操作执行
|
|
|
- */
|
|
|
- redo(): void {
|
|
|
- if (this.status == SItemStatus.Normal) {
|
|
|
- return
|
|
|
- }
|
|
|
- if (this.undoStack) {
|
|
|
- this.undoStack.redo();
|
|
|
- }
|
|
|
- }
|
|
|
-
|
|
|
- ///////////////////////////////
|
|
|
- // 以下为鼠标事件
|
|
|
-
|
|
|
- /**
|
|
|
- * 鼠标双击事件
|
|
|
- *
|
|
|
- * @param event 事件参数
|
|
|
- * @return boolean
|
|
|
- */
|
|
|
- onDoubleClick(event: SMouseEvent): boolean {
|
|
|
- console.log(event)
|
|
|
- // 如果位show状态 双击改对象则需改为编辑状态
|
|
|
- if (SItemStatus.Normal == this.status) {
|
|
|
- this.status = SItemStatus.Edit;
|
|
|
- this.grabItem(this);
|
|
|
- } else if (SItemStatus.Edit == this.status) {
|
|
|
- this.status = SItemStatus.Normal;
|
|
|
- this.releaseItem();
|
|
|
- if (this.undoStack) {
|
|
|
- this.undoStack.clear()
|
|
|
- }
|
|
|
- }
|
|
|
- this.update()
|
|
|
- return true;
|
|
|
- } // Function onDoubleClick()
|
|
|
-
|
|
|
-
|
|
|
- /**
|
|
|
- * 键盘事件
|
|
|
- *
|
|
|
- * @param event 事件参数
|
|
|
- * @return boolean
|
|
|
- */
|
|
|
-
|
|
|
- onKeyDown(event: KeyboardEvent): boolean {
|
|
|
- if (this.status == SItemStatus.Normal) {
|
|
|
- return false;
|
|
|
- } else if (this.status == SItemStatus.Create) {
|
|
|
- if (event.code == 'Enter') {
|
|
|
- // 当顶点大于二个时才又条件执行闭合操作并清空堆栈
|
|
|
- if (this.pointList.length > 2) {
|
|
|
- this.status = SItemStatus.Normal;
|
|
|
- //3 传递完成事件状态
|
|
|
- this.$emit('finishCreated')
|
|
|
- //1 grabItem 置为null
|
|
|
- this.releaseItem();
|
|
|
- //2 清空undo
|
|
|
- if (this.undoStack) {
|
|
|
- this.undoStack.clear();
|
|
|
- }
|
|
|
- }
|
|
|
- }
|
|
|
- } else if (this.status == SItemStatus.Edit) {
|
|
|
- if (event.key == 'Alt') {
|
|
|
- this.isAlt = true;
|
|
|
- }
|
|
|
- }
|
|
|
- this.update();
|
|
|
- return true;
|
|
|
- } // Function onKeyDown()
|
|
|
-
|
|
|
-
|
|
|
- /**
|
|
|
- * 键盘键抬起事件
|
|
|
- *
|
|
|
- * @param event 事件参数
|
|
|
- * @return boolean
|
|
|
- */
|
|
|
- onKeyUp(event: KeyboardEvent): void {
|
|
|
- if (this.status == SItemStatus.Edit) {
|
|
|
- if (event.key == 'Alt') {
|
|
|
- this.isAlt = false;
|
|
|
- }
|
|
|
- }
|
|
|
- this.update()
|
|
|
- } // Function onKeyUp()
|
|
|
-
|
|
|
- /**
|
|
|
- * 鼠标按下事件
|
|
|
- *
|
|
|
- * @param event 事件参数
|
|
|
- * @return boolean
|
|
|
- */
|
|
|
- onMouseDown(event: SMouseEvent): boolean {
|
|
|
- // 如果状态为编辑状态则添加点
|
|
|
- if (this.status == SItemStatus.Create) {
|
|
|
- // 新增顶点
|
|
|
- this.insertPoint(event.x, event.y);
|
|
|
- // 记录新增顶点操作记录压入堆栈
|
|
|
- let pos = new SPoint(event.x, event.y);
|
|
|
- this.recordAction(SGraphPointListInsert, [this.pointList, pos]);
|
|
|
- } else if (this.status == SItemStatus.Edit) {
|
|
|
- // 对多边形数组做编辑操作
|
|
|
- this.editPolygonPoint(event);
|
|
|
- } else {
|
|
|
- return super.onMouseDown(event)
|
|
|
- }
|
|
|
- return true;
|
|
|
-
|
|
|
- } // Function onMouseDown()
|
|
|
-
|
|
|
- /**
|
|
|
- * 鼠标移入事件
|
|
|
- *
|
|
|
- * @param event 事件参数
|
|
|
- * @return boolean
|
|
|
- */
|
|
|
- onMouseEnter(event: SMouseEvent): boolean {
|
|
|
- return true;
|
|
|
- } // Function onMouseEnter()
|
|
|
-
|
|
|
-
|
|
|
- /**
|
|
|
- * 鼠标移出事件
|
|
|
- *
|
|
|
- * @param event 事件参数
|
|
|
- * @return boolean
|
|
|
- */
|
|
|
-
|
|
|
- onMouseLeave(event: SMouseEvent): boolean {
|
|
|
- return true;
|
|
|
- } // Function onMouseLeave()
|
|
|
-
|
|
|
- /**
|
|
|
- * 鼠标移动事件
|
|
|
- *
|
|
|
- * @param event 事件参数
|
|
|
- * @return boolean
|
|
|
- */
|
|
|
-
|
|
|
- onMouseMove(event: SMouseEvent): boolean {
|
|
|
- if (this.status == SItemStatus.Create) {
|
|
|
- this.lastPoint = new SPoint
|
|
|
- this.lastPoint.x = event.x;
|
|
|
- this.lastPoint.y = event.y;
|
|
|
- this.update();
|
|
|
- } else if (this.status == SItemStatus.Edit) {
|
|
|
- if (-1 != this.curIndex) {
|
|
|
- this.pointList[this.curIndex].x = event.x;
|
|
|
- this.pointList[this.curIndex].y = event.y;
|
|
|
- }
|
|
|
- this.update()
|
|
|
- } else {
|
|
|
- // return super.onMouseMove(event)
|
|
|
- }
|
|
|
-
|
|
|
- return true;
|
|
|
- } // Function onMouseMove()
|
|
|
-
|
|
|
-
|
|
|
- /**
|
|
|
- * 鼠标抬起事件
|
|
|
- *
|
|
|
- * @param event 事件参数
|
|
|
- * @return boolean
|
|
|
- */
|
|
|
- onMouseUp(event: SMouseEvent): boolean {
|
|
|
- if (this.status == SItemStatus.Edit) {
|
|
|
- if (-1 != this.curIndex) {
|
|
|
- const pos = new SPoint(this.pointList[this.curIndex].x, this.pointList[this.curIndex].y)
|
|
|
- this.recordAction(SGraphPointListUpdate, [this.pointList, this.curPoint, pos, this.curIndex])
|
|
|
- }
|
|
|
- this.curIndex = -1;
|
|
|
- this.curPoint = null;
|
|
|
- } else {
|
|
|
- // return super.onMouseUp(event)
|
|
|
- }
|
|
|
- return true;
|
|
|
- } // Function onMouseUp()
|
|
|
-
|
|
|
- /**
|
|
|
- * 适配事件
|
|
|
- *
|
|
|
- * @param event 事件参数
|
|
|
- * @return boolean
|
|
|
- */
|
|
|
-
|
|
|
- onResize(event: SMouseEvent): boolean {
|
|
|
- return true;
|
|
|
- } // Function onResize()
|
|
|
-
|
|
|
- /**
|
|
|
- * 取消操作
|
|
|
- *
|
|
|
- * @param painter painter对象
|
|
|
- */
|
|
|
- cancelOperate(): void {
|
|
|
- // 当状态为展示状态
|
|
|
- if (this.status == SItemStatus.Create) {
|
|
|
- // 闭合多边形
|
|
|
- this.parent = null
|
|
|
- } else if (this.status == SItemStatus.Edit) {
|
|
|
- // 编辑状态
|
|
|
- this.status = SItemStatus.Normal
|
|
|
- }
|
|
|
- this.update()
|
|
|
- } // Function cancelOperate()
|
|
|
-
|
|
|
- /**
|
|
|
- * Item对象边界区域
|
|
|
- *
|
|
|
- * @return SRect
|
|
|
- */
|
|
|
- boundingRect(): SRect {
|
|
|
- if (this.pointList.length) {
|
|
|
- this.minX = this.pointList[0].x;
|
|
|
- this.maxX = this.pointList[0].x;
|
|
|
- this.minY = this.pointList[0].y;
|
|
|
- this.maxY = this.pointList[0].y;
|
|
|
- this.pointList.forEach(it => {
|
|
|
- let x = it.x,
|
|
|
- y = it.y;
|
|
|
- if (x < this.minX) {
|
|
|
- this.minX = x;
|
|
|
- }
|
|
|
- if (y < this.minY) {
|
|
|
- this.minY = y;
|
|
|
- }
|
|
|
- if (x > this.maxX) {
|
|
|
- this.maxX = x;
|
|
|
- }
|
|
|
- if (y > this.maxY) {
|
|
|
- this.maxY = y;
|
|
|
- }
|
|
|
- });
|
|
|
- };
|
|
|
- return new SRect(
|
|
|
- this.minX,
|
|
|
- this.minY,
|
|
|
- this.maxX - this.minX,
|
|
|
- this.maxY - this.minY
|
|
|
- );
|
|
|
- } // Function boundingRect()
|
|
|
-
|
|
|
- /**
|
|
|
- * 判断点是否在区域内
|
|
|
- *
|
|
|
- * @param x
|
|
|
- * @param y
|
|
|
- */
|
|
|
- contains(x: number, y: number): boolean {
|
|
|
- let arr = this.pointList;
|
|
|
- if (arr.length < 3 || !SPolygonUtil.pointIn(x, y, arr)) {
|
|
|
- return false;
|
|
|
- }
|
|
|
- return true;
|
|
|
- } // Function contains()
|
|
|
-
|
|
|
- /**
|
|
|
- * Item绘制操作
|
|
|
- *
|
|
|
- * @param painter painter对象
|
|
|
- */
|
|
|
- onDraw(painter: SPainter): void {
|
|
|
- this.scenceLen = painter.toPx(this.len)
|
|
|
- // 当状态为展示状态
|
|
|
- if (this.status == SItemStatus.Normal) {
|
|
|
- // 闭合多边形
|
|
|
- this.drawShowPolygon(painter, this.pointList);
|
|
|
- } else if (this.status == SItemStatus.Create) {
|
|
|
- // 创建状态
|
|
|
- this.drawCreatePolygon(painter, this.pointList)
|
|
|
- } else {
|
|
|
- // 编辑状态
|
|
|
- this.drawEditPolygon(painter, this.pointList);
|
|
|
- }
|
|
|
- } // Function onDraw()
|
|
|
-
|
|
|
-
|
|
|
-}
|