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angular-cesium

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import { AcEntity } from '../../angular-cesium/models/ac-entity'; import { EditPoint } from './edit-point'; import { EditPolyline } from './edit-polyline'; import { GeoUtilsService } from '../../angular-cesium/services/geo-utils/geo-utils.service'; import { defaultLabelProps } from './label-props'; export class EditablePolyline extends AcEntity { constructor(id, pointsLayer, polylinesLayer, coordinateConverter, editOptions, positions) { super(); this.id = id; this.pointsLayer = pointsLayer; this.polylinesLayer = polylinesLayer; this.coordinateConverter = coordinateConverter; this.editOptions = editOptions; this.positions = []; this.polylines = []; this.doneCreation = false; this._enableEdit = true; this._labels = []; this._pointProps = Object.assign({}, editOptions.pointProps); this.props = Object.assign({}, editOptions.polylineProps); if (positions && positions.length >= 2) { this.createFromExisting(positions); } } get labels() { return this._labels; } set labels(labels) { if (!labels) { return; } const positions = this.getRealPositions(); this._labels = labels.map((label, index) => { if (!label.position) { label.position = positions[index]; } return Object.assign({}, defaultLabelProps, label); }); } get props() { return this.polylineProps; } set props(value) { this.polylineProps = value; } get pointProps() { return this._pointProps; } set pointProps(value) { this._pointProps = value; } get enableEdit() { return this._enableEdit; } set enableEdit(value) { this._enableEdit = value; this.positions.forEach(point => { point.show = value; this.updatePointsLayer(false, point); }); } createFromExisting(positions) { positions.forEach((position) => { this.addPointFromExisting(position); }); this.addAllVirtualEditPoints(); this.doneCreation = true; } setManually(points, polylineProps) { if (!this.doneCreation) { throw new Error('Update manually only in edit mode, after polyline is created'); } this.positions.forEach(p => this.pointsLayer.remove(p.getId())); const newPoints = []; for (let i = 0; i < points.length; i++) { const pointOrCartesian = points[i]; let newPoint = null; if (pointOrCartesian.pointProps) { newPoint = new EditPoint(this.id, pointOrCartesian.position, pointOrCartesian.pointProps); } else { newPoint = new EditPoint(this.id, pointOrCartesian, this._pointProps); } newPoints.push(newPoint); } this.positions = newPoints; this.polylineProps = polylineProps ? polylineProps : this.polylineProps; this.updatePointsLayer(true, ...this.positions); this.addAllVirtualEditPoints(); } addAllVirtualEditPoints() { const currentPoints = [...this.positions]; currentPoints.forEach((pos, index) => { if (index !== currentPoints.length - 1) { const currentPoint = pos; const nextIndex = (index + 1) % (currentPoints.length); const nextPoint = currentPoints[nextIndex]; const midPoint = this.setMiddleVirtualPoint(currentPoint, nextPoint); this.updatePointsLayer(false, midPoint); } }); } setMiddleVirtualPoint(firstP, secondP) { const midPointCartesian3 = Cesium.Cartesian3.lerp(firstP.getPosition(), secondP.getPosition(), 0.5, new Cesium.Cartesian3()); const midPoint = new EditPoint(this.id, midPointCartesian3, this._pointProps); midPoint.setVirtualEditPoint(true); const firstIndex = this.positions.indexOf(firstP); this.positions.splice(firstIndex + 1, 0, midPoint); return midPoint; } updateMiddleVirtualPoint(virtualEditPoint, prevPoint, nextPoint) { const midPointCartesian3 = Cesium.Cartesian3.lerp(prevPoint.getPosition(), nextPoint.getPosition(), 0.5, new Cesium.Cartesian3()); virtualEditPoint.setPosition(midPointCartesian3); } changeVirtualPointToRealPoint(point) { point.setVirtualEditPoint(false); // actual point becomes a real point const pointsCount = this.positions.length; const pointIndex = this.positions.indexOf(point); const nextIndex = (pointIndex + 1) % (pointsCount); const preIndex = ((pointIndex - 1) + pointsCount) % pointsCount; const nextPoint = this.positions[nextIndex]; const prePoint = this.positions[preIndex]; const firstMidPoint = this.setMiddleVirtualPoint(prePoint, point); const secMidPoint = this.setMiddleVirtualPoint(point, nextPoint); this.updatePointsLayer(false, firstMidPoint, secMidPoint, point); } renderPolylines() { this.polylines.forEach(polyline => this.polylinesLayer.remove(polyline.getId())); this.polylines = []; const realPoints = this.positions.filter(point => !point.isVirtualEditPoint()); realPoints.forEach((point, index) => { if (index !== realPoints.length - 1) { const nextIndex = (index + 1); const nextPoint = realPoints[nextIndex]; const polyline = new EditPolyline(this.id, point.getPosition(), nextPoint.getPosition(), this.polylineProps); this.polylines.push(polyline); this.polylinesLayer.update(polyline, polyline.getId()); } }); } addPointFromExisting(position) { const newPoint = new EditPoint(this.id, position, this._pointProps); this.positions.push(newPoint); this.updatePointsLayer(true, newPoint); } addPoint(position) { if (this.doneCreation) { return; } const isFirstPoint = !this.positions.length; if (isFirstPoint) { const firstPoint = new EditPoint(this.id, position, this._pointProps); this.positions.push(firstPoint); this.updatePointsLayer(true, firstPoint); } this.movingPoint = new EditPoint(this.id, position.clone(), this._pointProps); this.positions.push(this.movingPoint); this.updatePointsLayer(true, this.movingPoint); } movePointFinish(editPoint) { if (this.editOptions.clampHeightTo3D) { editPoint.props.disableDepthTestDistance = Number.POSITIVE_INFINITY; this.updatePointsLayer(false, editPoint); } } movePoint(toPosition, editPoint) { editPoint.setPosition(toPosition); if (this.doneCreation) { if (editPoint.props.disableDepthTestDistance && this.editOptions.clampHeightTo3D) { // To avoid bug with pickPosition() on point with disableDepthTestDistance editPoint.props.disableDepthTestDistance = undefined; return; // ignore first move because the pickPosition() could be wrong } if (editPoint.isVirtualEditPoint()) { this.changeVirtualPointToRealPoint(editPoint); } const pointsCount = this.positions.length; const pointIndex = this.positions.indexOf(editPoint); if (pointIndex < this.positions.length - 1) { const nextVirtualPoint = this.positions[(pointIndex + 1) % (pointsCount)]; const nextRealPoint = this.positions[(pointIndex + 2) % (pointsCount)]; this.updateMiddleVirtualPoint(nextVirtualPoint, editPoint, nextRealPoint); } if (pointIndex > 0) { const prevVirtualPoint = this.positions[((pointIndex - 1) + pointsCount) % pointsCount]; const prevRealPoint = this.positions[((pointIndex - 2) + pointsCount) % pointsCount]; this.updateMiddleVirtualPoint(prevVirtualPoint, editPoint, prevRealPoint); } } this.updatePointsLayer(true, editPoint); } moveTempMovingPoint(toPosition) { if (this.movingPoint) { this.movePoint(toPosition, this.movingPoint); } } moveShape(startMovingPosition, draggedToPosition) { if (!this.doneCreation) { return; } if (!this.lastDraggedToPosition) { this.lastDraggedToPosition = startMovingPosition; } const delta = GeoUtilsService.getPositionsDelta(this.lastDraggedToPosition, draggedToPosition); this.positions.forEach(point => { const newPos = GeoUtilsService.addDeltaToPosition(point.getPosition(), delta, true); point.setPosition(newPos); }); this.updatePointsLayer(true, ...this.positions); this.lastDraggedToPosition = draggedToPosition; } endMoveShape() { this.lastDraggedToPosition = undefined; this.updatePointsLayer(true, ...this.positions); } removePoint(pointToRemove) { this.removePosition(pointToRemove); this.positions .filter(p => p.isVirtualEditPoint()) .forEach(p => this.removePosition(p)); this.addAllVirtualEditPoints(); this.renderPolylines(); } addLastPoint(position) { this.doneCreation = true; this.removePosition(this.movingPoint); // remove movingPoint this.movingPoint = null; this.addAllVirtualEditPoints(); } getRealPositions() { return this.getRealPoints() .map(position => position.getPosition()); } getRealPoints() { return this.positions .filter(position => !position.isVirtualEditPoint() && position !== this.movingPoint); } getPoints() { return this.positions.filter(position => position !== this.movingPoint); } getPositions() { return this.positions.map(position => position.getPosition()); } getPositionsCallbackProperty() { return new Cesium.CallbackProperty(this.getPositions.bind(this), false); } removePosition(point) { const index = this.positions.findIndex((p) => p === point); if (index < 0) { return; } this.positions.splice(index, 1); this.pointsLayer.remove(point.getId()); } updatePointsLayer(renderPolylines = true, ...point) { if (renderPolylines) { this.renderPolylines(); } point.forEach(p => this.pointsLayer.update(p, p.getId())); } update() { this.updatePointsLayer(); } dispose() { this.positions.forEach(editPoint => { this.pointsLayer.remove(editPoint.getId()); }); this.polylines.forEach(line => this.polylinesLayer.remove(line.getId())); if (this.movingPoint) { this.pointsLayer.remove(this.movingPoint.getId()); this.movingPoint = undefined; } this.positions.length = 0; } getPointsCount() { return this.positions.length; } getId() { return this.id; } } //# 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{ AcEntity } from '../../angular-cesium/models/ac-entity';\nimport { EditPoint } from './edit-point';\nimport { EditPolyline } from './edit-polyline';\nimport { AcLayerComponent } from '../../angular-cesium/components/ac-layer/ac-layer.component';\nimport { Cartesian3 } from '../../angular-cesium/models/cartesian3';\nimport { CoordinateConverter } from '../../angular-cesium/services/coordinate-converter/coordinate-converter.service';\nimport { PointProps } from './point-edit-options';\nimport { PolylineEditOptions, PolylineProps } from './polyline-edit-options';\nimport { GeoUtilsService } from '../../angular-cesium/services/geo-utils/geo-utils.service';\nimport { defaultLabelProps, LabelProps } from './label-props';\n\nexport class EditablePolyline extends AcEntity {\n  private positions: EditPoint[] = [];\n\n  private polylines: EditPolyline[] = [];\n  private movingPoint: EditPoint;\n  private doneCreation = false;\n  private _enableEdit = true;\n  private _pointProps: PointProps;\n  private polylineProps: PolylineProps;\n  private lastDraggedToPosition: any;\n  private _labels: LabelProps[] = [];\n\n  constructor(private id: string,\n              private pointsLayer: AcLayerComponent,\n              private polylinesLayer: AcLayerComponent,\n              private coordinateConverter: CoordinateConverter,\n              private editOptions: PolylineEditOptions,\n              positions?: Cartesian3[]) {\n    super();\n    this._pointProps = {...editOptions.pointProps};\n    this.props = {...editOptions.polylineProps};\n    if (positions && positions.length >= 2) {\n      this.createFromExisting(positions);\n    }\n  }\n\n  get labels(): LabelProps[] {\n    return this._labels;\n  }\n\n  set labels(labels: LabelProps[]) {\n    if (!labels) {\n      return;\n    }\n    const positions = this.getRealPositions();\n    this._labels = labels.map((label, index) => {\n      if (!label.position) {\n        label.position = positions[index];\n      }\n\n      return Object.assign({}, defaultLabelProps, label);\n    });\n  }\n\n  get props(): PolylineProps {\n    return this.polylineProps;\n  }\n\n  set props(value: PolylineProps) {\n    this.polylineProps = value;\n  }\n\n  get pointProps(): PointProps {\n    return this._pointProps;\n  }\n\n  set pointProps(value: PointProps) {\n    this._pointProps = value;\n  }\n\n  get enableEdit() {\n    return this._enableEdit;\n  }\n\n  set enableEdit(value: boolean) {\n    this._enableEdit = value;\n    this.positions.forEach(point => {\n      point.show = value;\n      this.updatePointsLayer(false, point);\n    });\n  }\n\n  private createFromExisting(positions: Cartesian3[]) {\n    positions.forEach((position) => {\n      this.addPointFromExisting(position);\n    });\n    this.addAllVirtualEditPoints();\n    this.doneCreation = true;\n  }\n\n  setManually(points: {\n    position: Cartesian3,\n    pointProp?: PointProps\n  }[] | Cartesian3[], polylineProps?: PolylineProps) {\n    if (!this.doneCreation) {\n      throw new Error('Update manually only in edit mode, after polyline is created');\n    }\n    this.positions.forEach(p => this.pointsLayer.remove(p.getId()));\n\n    const newPoints: EditPoint[] = [];\n    for (let i = 0; i < points.length; i++) {\n      const pointOrCartesian: any = points[i];\n      let newPoint = null;\n      if (pointOrCartesian.pointProps) {\n        newPoint = new EditPoint(this.id, pointOrCartesian.position, pointOrCartesian.pointProps);\n      } else {\n        newPoint = new EditPoint(this.id, pointOrCartesian, this._pointProps);\n      }\n      newPoints.push(newPoint);\n    }\n    this.positions = newPoints;\n    this.polylineProps = polylineProps ? polylineProps : this.polylineProps;\n\n    this.updatePointsLayer(true, ...this.positions);\n    this.addAllVirtualEditPoints();\n  }\n\n  private addAllVirtualEditPoints() {\n    const currentPoints = [...this.positions];\n    currentPoints.forEach((pos, index) => {\n      if (index !== currentPoints.length - 1) {\n        const currentPoint = pos;\n        const nextIndex = (index + 1) % (currentPoints.length);\n        const nextPoint = currentPoints[nextIndex];\n\n        const midPoint = this.setMiddleVirtualPoint(currentPoint, nextPoint);\n\n        this.updatePointsLayer(false, midPoint);\n      }\n    });\n  }\n\n  private setMiddleVirtualPoint(firstP: EditPoint, secondP: EditPoint): EditPoint {\n    const midPointCartesian3 = Cesium.Cartesian3.lerp(firstP.getPosition(), secondP.getPosition(), 0.5, new Cesium.Cartesian3());\n    const midPoint = new EditPoint(this.id, midPointCartesian3, this._pointProps);\n    midPoint.setVirtualEditPoint(true);\n\n    const firstIndex = this.positions.indexOf(firstP);\n    this.positions.splice(firstIndex + 1, 0, midPoint);\n    return midPoint;\n  }\n\n  private updateMiddleVirtualPoint(virtualEditPoint: EditPoint, prevPoint: EditPoint, nextPoint: EditPoint) {\n    const midPointCartesian3 = Cesium.Cartesian3.lerp(prevPoint.getPosition(), nextPoint.getPosition(), 0.5, new Cesium.Cartesian3());\n    virtualEditPoint.setPosition(midPointCartesian3);\n  }\n\n  changeVirtualPointToRealPoint(point: EditPoint) {\n    point.setVirtualEditPoint(false); // actual point becomes a real point\n    const pointsCount = this.positions.length;\n    const pointIndex = this.positions.indexOf(point);\n    const nextIndex = (pointIndex + 1) % (pointsCount);\n    const preIndex = ((pointIndex - 1) + pointsCount) % pointsCount;\n\n    const nextPoint = this.positions[nextIndex];\n    const prePoint = this.positions[preIndex];\n\n    const firstMidPoint = this.setMiddleVirtualPoint(prePoint, point);\n    const secMidPoint = this.setMiddleVirtualPoint(point, nextPoint);\n    this.updatePointsLayer(false, firstMidPoint, secMidPoint, point);\n\n  }\n\n  private renderPolylines() {\n    this.polylines.forEach(polyline => this.polylinesLayer.remove(polyline.getId()));\n    this.polylines = [];\n    const realPoints = this.positions.filter(point => !point.isVirtualEditPoint());\n    realPoints.forEach((point, index) => {\n      if (index !== realPoints.length - 1) {\n        const nextIndex = (index + 1);\n        const nextPoint = realPoints[nextIndex];\n        const polyline = new EditPolyline(this.id, point.getPosition(), nextPoint.getPosition(), this.polylineProps);\n        this.polylines.push(polyline);\n        this.polylinesLayer.update(polyline, polyline.getId());\n      }\n    });\n  }\n\n  addPointFromExisting(position: Cartesian3) {\n    const newPoint = new EditPoint(this.id, position, this._pointProps);\n    this.positions.push(newPoint);\n    this.updatePointsLayer(true, newPoint);\n  }\n\n\n  addPoint(position: Cartesian3) {\n    if (this.doneCreation) {\n      return;\n    }\n    const isFirstPoint = !this.positions.length;\n    if (isFirstPoint) {\n      const firstPoint = new EditPoint(this.id, position, this._pointProps);\n      this.positions.push(firstPoint);\n      this.updatePointsLayer(true, firstPoint);\n    }\n\n    this.movingPoint = new EditPoint(this.id, position.clone(), this._pointProps);\n    this.positions.push(this.movingPoint);\n\n    this.updatePointsLayer(true, this.movingPoint);\n  }\n\n  movePointFinish(editPoint: EditPoint) {\n    if (this.editOptions.clampHeightTo3D) {\n      editPoint.props.disableDepthTestDistance = Number.POSITIVE_INFINITY;\n      this.updatePointsLayer(false, editPoint);\n    }\n  }\n\n  movePoint(toPosition: Cartesian3, editPoint: EditPoint) {\n    editPoint.setPosition(toPosition);\n    if (this.doneCreation) {\n      if (editPoint.props.disableDepthTestDistance && this.editOptions.clampHeightTo3D) {\n        // To avoid bug with pickPosition() on point with disableDepthTestDistance\n        editPoint.props.disableDepthTestDistance = undefined;\n        return; // ignore first move because the pickPosition() could be wrong\n      }\n\n      if (editPoint.isVirtualEditPoint()) {\n        this.changeVirtualPointToRealPoint(editPoint);\n      }\n      const pointsCount = this.positions.length;\n      const pointIndex = this.positions.indexOf(editPoint);\n\n      if (pointIndex < this.positions.length - 1) {\n        const nextVirtualPoint = this.positions[(pointIndex + 1) % (pointsCount)];\n        const nextRealPoint = this.positions[(pointIndex + 2) % (pointsCount)];\n        this.updateMiddleVirtualPoint(nextVirtualPoint, editPoint, nextRealPoint);\n      }\n      if (pointIndex > 0) {\n        const prevVirtualPoint = this.positions[((pointIndex - 1) + pointsCount) % pointsCount];\n        const prevRealPoint = this.positions[((pointIndex - 2) + pointsCount) % pointsCount];\n        this.updateMiddleVirtualPoint(prevVirtualPoint, editPoint, prevRealPoint);\n      }\n    }\n    this.updatePointsLayer(true, editPoint);\n  }\n\n  moveTempMovingPoint(toPosition: Cartesian3) {\n    if (this.movingPoint) {\n      this.movePoint(toPosition, this.movingPoint);\n    }\n  }\n\n  moveShape(startMovingPosition: Cartesian3, draggedToPosition: Cartesian3) {\n    if (!this.doneCreation) {\n      return;\n    }\n    if (!this.lastDraggedToPosition) {\n      this.lastDraggedToPosition = startMovingPosition;\n    }\n\n    const delta = GeoUtilsService.getPositionsDelta(this.lastDraggedToPosition, draggedToPosition);\n    this.positions.forEach(point => {\n      const newPos = GeoUtilsService.addDeltaToPosition(point.getPosition(), delta, true);\n      point.setPosition(newPos);\n    });\n    this.updatePointsLayer(true, ...this.positions);\n    this.lastDraggedToPosition = draggedToPosition;\n  }\n\n  endMoveShape() {\n    this.lastDraggedToPosition = undefined;\n    this.updatePointsLayer(true, ...this.positions);\n  }\n\n  removePoint(pointToRemove: EditPoint) {\n    this.removePosition(pointToRemove);\n    this.positions\n      .filter(p => p.isVirtualEditPoint())\n      .forEach(p => this.removePosition(p));\n    this.addAllVirtualEditPoints();\n\n    this.renderPolylines();\n  }\n\n  addLastPoint(position: Cartesian3) {\n    this.doneCreation = true;\n    this.removePosition(this.movingPoint); // remove movingPoint\n    this.movingPoint = null;\n\n    this.addAllVirtualEditPoints();\n  }\n\n  getRealPositions(): Cartesian3[] {\n    return this.getRealPoints()\n      .map(position => position.getPosition());\n  }\n\n  getRealPoints(): EditPoint[] {\n    return this.positions\n      .filter(position => !position.isVirtualEditPoint() && position !== this.movingPoint);\n  }\n\n  getPoints(): EditPoint[] {\n    return this.positions.filter(position => position !== this.movingPoint);\n  }\n\n  getPositions(): Cartesian3[] {\n    return this.positions.map(position => position.getPosition());\n  }\n\n  getPositionsCallbackProperty(): Cartesian3[] {\n    return new Cesium.CallbackProperty(this.getPositions.bind(this), false);\n  }\n\n  private removePosition(point: EditPoint) {\n    const index = this.positions.findIndex((p) => p === point);\n    if (index < 0) {\n      return;\n    }\n    this.positions.splice(index, 1);\n    this.pointsLayer.remove(point.getId());\n  }\n\n  private updatePointsLayer(renderPolylines = true, ...point: EditPoint[]) {\n    if (renderPolylines) {\n      this.renderPolylines();\n    }\n    point.forEach(p => this.pointsLayer.update(p, p.getId()));\n  }\n\n  update() {\n    this.updatePointsLayer();\n  }\n\n  dispose() {\n    this.positions.forEach(editPoint => {\n      this.pointsLayer.remove(editPoint.getId());\n    });\n    this.polylines.forEach(line => this.polylinesLayer.remove(line.getId()));\n    if (this.movingPoint) {\n      this.pointsLayer.remove(this.movingPoint.getId());\n      this.movingPoint = undefined;\n    }\n    this.positions.length = 0;\n  }\n\n  getPointsCount(): number {\n    return this.positions.length;\n  }\n\n  getId() {\n    return this.id;\n  }\n}\n"]}