/* * ********************************************************************************************************************* * * !! * .F88X * X8888Y * .}888888N; * i888888N; .:! .I$WI: * R888888I .'N88~ i8}+8Y&8"l8i$8>8W~'>W8}8]KW+8IIN"8& * .R888888I .;N8888~ .X8' "8I.!,/8" !%NY8`"8I8~~8>,88I * +888888N; .8888888Y "&&8Y.}8, * ./888888N; .R888888Y .'}~ .>}'.`+> i}! "i' +/' .'i~ !11,.:">, .~]! .i}i * ~888888%: .I888888l .]88~`1/iY88Ii+1'.R$8$8]"888888888> Y8$ W8E X8E W8888'188Il}Y88$* * 18888888 E8888881 .]W%8$`R8X'&8%++N8i,8N%N8+l8%` .}8N:.R$RE%N88N%N$K$R 188,FE$8%~Y88I * .E888888I .i8888888' .:$8I;88+`E8R:/8N,.>881.`$8E/1/]N8X.Y8N`"KF&&FK!'88*."88K./$88%RN888+~ * 8888888I .,N888888~ ~88i"8W,!N8*.I88.}888%F,i$88"F88" 888:E8X.>88!i88>`888*.}Fl1]*}1YKi' * i888888N' I888Y ]88;/EX*IFKFK88X K8R .l8W 88Y ~88}'88E&%8W.X8N``]88!.$8K .:W8I * .i888888N; I8Y .&8$ .X88! i881.:%888>I88 ;88] +88+.';;;;:.Y88X 18N.,88l .+88/ * .:R888888I * .&888888I Copyright (c) 2009-2020. 博锐尚格科技股份有限公司 * ~8888' * .!88~ All rights reserved. * * ********************************************************************************************************************* */ import { SColor, SLine, SPainter, SPoint, SRect } from "@persagy-web/draw"; import { SKeyCode, SMouseEvent, SUndoStack } from "@persagy-web/base"; import { SItemStatus } from ".."; import { SMathUtil } from "../utils/SMathUtil"; import { SGraphItem, SGraphPointListDelete, SGraphPointListInsert, SGraphPointListUpdate, SLineStyle } from "@persagy-web/graph"; /** * 折线item * * @author 郝建龙 * */ export class SPolylineItem extends SGraphItem { /** X坐标最小值 */ private minX = Number.MAX_SAFE_INTEGER; /** X坐标最大值 */ private maxX = Number.MIN_SAFE_INTEGER; /** Y坐标最小值 */ private minY = Number.MAX_SAFE_INTEGER; /** Y坐标最大值 */ private maxY = Number.MIN_SAFE_INTEGER; /** 折点信息 */ pointList: SPoint[] = []; /** 是否绘制完成 */ _status: SItemStatus = SItemStatus.Normal; get status(): SItemStatus { return this._status; } // Get status set status(v: SItemStatus) { this._status = v; this.undoStack.clear(); this.update(); } // Set status /** 鼠标移动时的点 */ private lastPoint: SPoint | null = null; /** 线条颜色 */ _strokeColor: SColor = SColor.Black; get strokeColor(): SColor { return this._strokeColor; } // Get strokeColor set strokeColor(v: SColor) { this._strokeColor = v; this.update(); } // Set strokeColor /** 填充色 */ _fillColor: SColor = new SColor("#2196f3"); get fillColor(): SColor { return this._fillColor; } // Get fillColor set fillColor(v: SColor) { this._fillColor = v; this.update(); } // Set fillColor /** 线条宽度 */ _lineWidth: number = 1; get lineWidth(): number { return this._lineWidth; } // Get lineWidth set lineWidth(v: number) { this._lineWidth = v; this.update(); } // Set lineWidth /** 边框样式 */ _lineStyle: SLineStyle = SLineStyle.Solid; get lineStyle(): SLineStyle { return this._lineStyle; } // Get lineStyle set lineStyle(v: SLineStyle) { this._lineStyle = v; this.update(); } // Set lineStyle /** 全局灵敏度 */ dis: number = 10; /** 灵敏度转换为场景长度 */ private sceneDis: number = 10; /** 当前点索引 */ private curIndex: number = -1; /** 当前点 */ private curPoint: SPoint | null = null; /** undo/redo堆栈 */ private undoStack: SUndoStack = new SUndoStack(); /** * 构造函数 * * @param parent 父级 * @param list 坐标集合 * */ constructor(parent: null | SGraphItem, list: SPoint[]); /** * 构造函数 * * @param parent 父级 * @param list 第一个坐标 * */ constructor(parent: null | SGraphItem, list: SPoint); /** * 构造函数 * * @param parent 父级 * @param list 第一个坐标|坐标集合 * */ constructor(parent: null | SGraphItem, list: SPoint | SPoint[]) { super(parent); if (list instanceof SPoint) { this.pointList.push(list); } else { this.pointList = list; } } // Constructor /** * 添加点至数组中 * * @param p 添加的点 * @param index 添加到的索引 * */ private addPoint(p: SPoint, index?: number): void { if (index && this.canHandle(index)) { this.pointList.splice(index, 0, p); this.recordAction(SGraphPointListInsert, [ this.pointList, p, index ]); } else { this.pointList.push(p); this.recordAction(SGraphPointListInsert, [this.pointList, p]); } this.update(); } // Function addPoint() /** * 是否可以添加点到数组中 * * @param index 要添加到的索引 * @return boolean 是否可添加 * */ private canHandle(index: number): boolean { return index >= 0 && index <= this.pointList.length; } // Function canHandle() /** * 根据索引删除点 * * @param index 删除点 * */ deletePoint(index: number): void { if (this.canHandle(index) && this.pointList.length > 2) { const p = new SPoint( this.pointList[this.curIndex].x, this.pointList[this.curIndex].y ); this.pointList.splice(index, 1); this.recordAction(SGraphPointListDelete, [ this.pointList, p, index ]); this.curIndex = -1; this.curPoint = null; this.update(); } } // Function deletePoint /** * 鼠标按下事件 * * @param event 鼠标事件 * @return boolean 是否处理事件 * */ onMouseDown(event: SMouseEvent): boolean { this.curIndex = -1; this.curPoint = null; if (event.shiftKey) { event = this.compare(event); } if (event.buttons == 1) { if (this.status == SItemStatus.Create) { this.addPoint(new SPoint(event.x, event.y)); return true; } else if (this.status == SItemStatus.Edit) { // 查询鼠标最近的索引 this.findNearestPoint(new SPoint(event.x, event.y)); // 增加点 if (this.curIndex < 0) { this.findAddPos(new SPoint(event.x, event.y)); } // 删除点 if (event.altKey && this.canHandle(this.curIndex)) { this.deletePoint(this.curIndex); } this.update(); return true; } else { return super.onMouseDown(event); } } return super.onMouseDown(event); } // Function onMouseDown() /** * 鼠标移动事件 * * @param event 鼠标事件 * @return boolean 是否处理事件 * */ onMouseMove(event: SMouseEvent): boolean { if (event.shiftKey) { event = this.compare(event); } if (this.status == SItemStatus.Create) { if (this.lastPoint) { this.lastPoint.x = event.x; this.lastPoint.y = event.y; } else { this.lastPoint = new SPoint(event.x, event.y); } this.update(); return true; } else if (this.status == SItemStatus.Edit) { if (event.buttons == 1) { if (this.canHandle(this.curIndex)) { this.pointList[this.curIndex].x = event.x; this.pointList[this.curIndex].y = event.y; } } this.update(); return true; } else { return super.onMouseMove(event); } } // Function onMouseMove() /** * 鼠标移动事件 * * @param event 鼠标事件 * @return boolean 是否处理事件 * */ onMouseUp(event: SMouseEvent): boolean { if (this.status == SItemStatus.Edit) { if (this.curIndex > -1) { const p = new SPoint( this.pointList[this.curIndex].x, this.pointList[this.curIndex].y ); this.recordAction(SGraphPointListUpdate, [ this.pointList, this.curPoint, p, this.curIndex ]); } } else if (this.status == SItemStatus.Normal) { this.moveToOrigin(this.x, this.y); return super.onMouseUp(event); } return true; } // Function onMouseUp() /** * 鼠标双击事件 * * @param event 事件参数 * @return boolean */ onDoubleClick(event: SMouseEvent): boolean { if (this.status == SItemStatus.Normal) { this.status = SItemStatus.Edit; this.grabItem(this); } else if (this.status == SItemStatus.Edit) { this.status = SItemStatus.Normal; this.releaseItem(); } else if (this.status == SItemStatus.Create) { if (this.pointList.length > 1) { this.status = SItemStatus.Normal; this.releaseItem(); this.$emit("finishCreated"); } } this.$emit("onDoubleClick", event); return true; } // Function onDoubleClick() /*** * 键盘按键弹起事件 * * @param event 事件参数 */ onKeyUp(event: KeyboardEvent): void { if (event.keyCode == SKeyCode.Enter) { if (this.pointList.length > 1) { if (this.status == SItemStatus.Create) { this.$emit("finishCreated"); } this.status = SItemStatus.Normal; this.releaseItem(); } } // delete删除点 if ( event.keyCode == SKeyCode.Delete && this.status == SItemStatus.Edit ) { this.deletePoint(this.curIndex); } } // Function onKeyUp() /** * 移动后处理所有坐标,并肩原点置为场景原点 * * @param x x坐标 * @param y y坐标 * */ moveToOrigin(x: number, y: number): void { super.moveToOrigin(x, y); this.pointList = this.pointList.map(t => { t.x = t.x + x; t.y = t.y + y; return t; }); this.x = 0; this.y = 0; } // Function moveToOrigin() /** * 获取点击点与点集中距离最近点 * * @param p 鼠标点击点 * */ findNearestPoint(p: SPoint): void { let len = this.sceneDis; for (let i = 0; i < this.pointList.length; i++) { let dis = SMathUtil.pointDistance( p.x, p.y, this.pointList[i].x, this.pointList[i].y ); if (dis < len) { len = dis; this.curIndex = i; this.curPoint = new SPoint( this.pointList[this.curIndex].x, this.pointList[this.curIndex].y ); } } } // Function findNearestPoint() /** * 计算增加点的位置 * * @param p 鼠标点击点 * */ findAddPos(p: SPoint): void { let len = SMathUtil.pointToLine( p, new SLine(this.pointList[0], this.pointList[1]) ), index = 0; if (this.pointList.length > 2) { for (let i = 1; i < this.pointList.length - 1; i++) { let dis = SMathUtil.pointToLine( p, new SLine(this.pointList[i], this.pointList[i + 1]) ); if (dis.MinDis < len.MinDis) { len = dis; index = i; } } } if (len.MinDis < this.sceneDis) { if (len.Point) { this.addPoint(len.Point, index + 1); } } } // Function findAddPos() /** * shift垂直水平创建或编辑 * * @param event 事件 * @return 事件对象 * */ compare(event: SMouseEvent): SMouseEvent { if (this.pointList.length) { let last = new SPoint(event.x, event.y); if (this.status == SItemStatus.Create) { last = this.pointList[this.pointList.length - 1]; } else if (this.status == SItemStatus.Edit) { if (this.curIndex > 1) { last = this.pointList[this.curIndex - 1]; } } const dx = Math.abs(event.x - last.x); const dy = Math.abs(event.y - last.y); if (dy > dx) { event.x = last.x; } else { event.y = last.y; } } return event; } // Function compare() /** * 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 command = new SGraphCommand(this.scene, this, ...any); this.undoStack.push(command); } // Function recordAction() /** * Item对象边界区域 * * @return SRect 外接矩阵 * */ 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 * @return true-是 */ contains(x: number, y: number): boolean { let p = new SPoint(x, y); for (let i = 1; i < this.pointList.length; i++) { let PTL = SMathUtil.pointToLine( p, new SLine( this.pointList[i - 1].x, this.pointList[i - 1].y, this.pointList[i].x, this.pointList[i].y ) ); if (PTL.MinDis < this.sceneDis) { return true; } } return false; } // Function contains() /** * 撤销操作 * */ undo(): void { if (this._status != SItemStatus.Normal) { this.undoStack.undo(); } } // Function undo() /** * 重做操作 * */ redo(): void { if (this._status != SItemStatus.Normal) { this.undoStack.redo(); } } // Function redo() /** * 取消操作执行 * * */ cancelOperate(): void { if (this.status == SItemStatus.Create) { this.parent = null; this.releaseItem(); } else if (this.status == SItemStatus.Edit) { this.status = SItemStatus.Normal; this.releaseItem(); } } // Function cancelOperate() /** * 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.drawPolyline(this.pointList); } // Function drawBaseLine() /** * Item绘制操作 * * @param painter painter对象 */ onDraw(painter: SPainter): void { // 缓存场景长度 this.sceneDis = painter.toPx(this.dis); // 创建状态 painter.pen.lineWidth = painter.toPx(this.lineWidth); if (this.status == SItemStatus.Create && this.lastPoint) { // 绘制基本图形 this.drawBaseLine(painter); painter.drawLine( this.pointList[this.pointList.length - 1], this.lastPoint ); this.pointList.forEach((t, i): void => { painter.brush.color = SColor.White; if (i == this.curIndex) { painter.brush.color = this.fillColor; } painter.drawCircle(t.x, t.y, painter.toPx(5)); }); } else if (this.status == SItemStatus.Edit) { // 绘制基本图形 this.drawBaseLine(painter); // 编辑状态 this.pointList.forEach((t, i): void => { painter.brush.color = SColor.White; if (i == this.curIndex) { painter.brush.color = this.fillColor; } painter.drawCircle(t.x, t.y, painter.toPx(5)); }); } else { // 查看状态 if (this.selected) { painter.pen.lineWidth = painter.toPx(this.lineWidth * 2); painter.shadow.shadowBlur = 10; painter.shadow.shadowColor = new SColor(`#00000033`); painter.shadow.shadowOffsetX = 5; painter.shadow.shadowOffsetY = 5; } // 绘制基本图形 this.drawBaseLine(painter); } } // Function onDraw() } // Class SPolylineItem