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| 1 | +import { MapChange, YDocument } from '@jupyter/ydoc'; |
| 2 | +import { JSONExt, JSONObject } from '@lumino/coreutils'; |
| 3 | +import { ISignal, Signal } from '@lumino/signaling'; |
| 4 | +import * as Y from 'yjs'; |
| 5 | + |
| 6 | +import { IJCadObject, IJCadOptions } from './_interface/jcad'; |
| 7 | +import { |
| 8 | + IDict, |
| 9 | + IJcadObjectDocChange, |
| 10 | + IJupyterCadDoc, |
| 11 | + IJupyterCadDocChange, |
| 12 | + IPostResult |
| 13 | +} from './interfaces'; |
| 14 | + |
| 15 | +export class JupyterCadDoc |
| 16 | + extends YDocument<IJupyterCadDocChange> |
| 17 | + implements IJupyterCadDoc |
| 18 | +{ |
| 19 | + constructor() { |
| 20 | + super(); |
| 21 | + |
| 22 | + this._options = this.ydoc.getMap<Y.Map<any>>('options'); |
| 23 | + this._objects = this.ydoc.getArray<Y.Map<any>>('objects'); |
| 24 | + this._metadata = this.ydoc.getMap<string>('metadata'); |
| 25 | + this._outputs = this.ydoc.getMap<IPostResult>('outputs'); |
| 26 | + this.undoManager.addToScope(this._objects); |
| 27 | + |
| 28 | + this._objects.observeDeep(this._objectsObserver); |
| 29 | + this._metadata.observe(this._metaObserver); |
| 30 | + this._options.observe(this._optionsObserver); |
| 31 | + } |
| 32 | + |
| 33 | + dispose(): void { |
| 34 | + super.dispose(); |
| 35 | + } |
| 36 | + |
| 37 | + get version(): string { |
| 38 | + return '0.1.0'; |
| 39 | + } |
| 40 | + |
| 41 | + get objects(): Array<IJCadObject> { |
| 42 | + const objs = this._objects.map( |
| 43 | + obj => JSONExt.deepCopy(obj.toJSON()) as IJCadObject |
| 44 | + ); |
| 45 | + return objs; |
| 46 | + } |
| 47 | + |
| 48 | + get options(): JSONObject { |
| 49 | + return JSONExt.deepCopy(this._options.toJSON()); |
| 50 | + } |
| 51 | + |
| 52 | + get metadata(): JSONObject { |
| 53 | + return JSONExt.deepCopy(this._metadata.toJSON()); |
| 54 | + } |
| 55 | + |
| 56 | + get outputs(): JSONObject { |
| 57 | + return JSONExt.deepCopy(this._outputs.toJSON()); |
| 58 | + } |
| 59 | + |
| 60 | + get objectsChanged(): ISignal<IJupyterCadDoc, IJcadObjectDocChange> { |
| 61 | + return this._objectsChanged; |
| 62 | + } |
| 63 | + |
| 64 | + get optionsChanged(): ISignal<IJupyterCadDoc, MapChange> { |
| 65 | + return this._optionsChanged; |
| 66 | + } |
| 67 | + |
| 68 | + get metadataChanged(): ISignal<IJupyterCadDoc, MapChange> { |
| 69 | + return this._metadataChanged; |
| 70 | + } |
| 71 | + |
| 72 | + objectExists(name: string): boolean { |
| 73 | + return Boolean(this._getObjectAsYMapByName(name)); |
| 74 | + } |
| 75 | + |
| 76 | + getObjectByName(name: string): IJCadObject | undefined { |
| 77 | + const obj = this._getObjectAsYMapByName(name); |
| 78 | + if (obj) { |
| 79 | + return JSONExt.deepCopy(obj.toJSON()) as IJCadObject; |
| 80 | + } |
| 81 | + return undefined; |
| 82 | + } |
| 83 | + |
| 84 | + removeObjectByName(name: string): void { |
| 85 | + let index = 0; |
| 86 | + for (const obj of this._objects) { |
| 87 | + if (obj.get('name') === name) { |
| 88 | + break; |
| 89 | + } |
| 90 | + index++; |
| 91 | + } |
| 92 | + |
| 93 | + if (this._objects.length > index) { |
| 94 | + this.transact(() => { |
| 95 | + this._objects.delete(index); |
| 96 | + const guidata = this.getOption('guidata'); |
| 97 | + if (guidata) { |
| 98 | + delete guidata[name]; |
| 99 | + this.setOption('guidata', guidata); |
| 100 | + } |
| 101 | + this.removeOutput(name); |
| 102 | + }); |
| 103 | + } |
| 104 | + } |
| 105 | + |
| 106 | + addObject(value: IJCadObject): void { |
| 107 | + this.addObjects([value]); |
| 108 | + } |
| 109 | + |
| 110 | + addObjects(value: Array<IJCadObject>): void { |
| 111 | + this.transact(() => { |
| 112 | + value.map(obj => { |
| 113 | + if (!this.objectExists(obj.name)) { |
| 114 | + this._objects.push([new Y.Map(Object.entries(obj))]); |
| 115 | + } else { |
| 116 | + console.error('There is already an object with the name:', obj.name); |
| 117 | + } |
| 118 | + }); |
| 119 | + }); |
| 120 | + } |
| 121 | + |
| 122 | + updateObjectByName(name: string, key: string, value: any): void { |
| 123 | + const obj = this._getObjectAsYMapByName(name); |
| 124 | + if (!obj) { |
| 125 | + return; |
| 126 | + } |
| 127 | + this.transact(() => obj.set(key, value)); |
| 128 | + } |
| 129 | + |
| 130 | + getOption(key: keyof IJCadOptions): IDict | undefined { |
| 131 | + const content = this._options.get(key); |
| 132 | + if (!content) { |
| 133 | + return; |
| 134 | + } |
| 135 | + return JSONExt.deepCopy(content) as IDict; |
| 136 | + } |
| 137 | + |
| 138 | + setOption(key: keyof IJCadOptions, value: IDict): void { |
| 139 | + this.transact(() => void this._options.set(key, value)); |
| 140 | + } |
| 141 | + |
| 142 | + setOptions(options: IJCadOptions): void { |
| 143 | + this.transact(() => { |
| 144 | + for (const [key, value] of Object.entries(options)) { |
| 145 | + this._options.set(key, value); |
| 146 | + } |
| 147 | + }); |
| 148 | + } |
| 149 | + |
| 150 | + getMetadata(key: string): string | undefined { |
| 151 | + return this._metadata.get(key); |
| 152 | + } |
| 153 | + |
| 154 | + setMetadata(key: string, value: string): void { |
| 155 | + this.transact(() => void this._metadata.set(key, value)); |
| 156 | + } |
| 157 | + |
| 158 | + removeMetadata(key: string): void { |
| 159 | + if (this._metadata.has(key)) { |
| 160 | + this._metadata.delete(key); |
| 161 | + } |
| 162 | + } |
| 163 | + |
| 164 | + getOutput(key: string): IPostResult | undefined { |
| 165 | + return this._outputs.get(key); |
| 166 | + } |
| 167 | + |
| 168 | + setOutput(key: string, value: IPostResult): void { |
| 169 | + this.transact(() => void this._outputs.set(key, value)); |
| 170 | + } |
| 171 | + |
| 172 | + removeOutput(key: string): void { |
| 173 | + if (this._outputs.has(key)) { |
| 174 | + this._outputs.delete(key); |
| 175 | + } |
| 176 | + } |
| 177 | + |
| 178 | + setShapeMeta(name: string, meta?: IDict): void { |
| 179 | + const obj = this._getObjectAsYMapByName(name); |
| 180 | + if (meta && obj) { |
| 181 | + this.transact(() => void obj.set('shapeMetadata', meta)); |
| 182 | + } |
| 183 | + } |
| 184 | + |
| 185 | + static create(): IJupyterCadDoc { |
| 186 | + return new JupyterCadDoc(); |
| 187 | + } |
| 188 | + |
| 189 | + editable = true; |
| 190 | + exportable = false; |
| 191 | + |
| 192 | + private _getObjectAsYMapByName(name: string): Y.Map<any> | undefined { |
| 193 | + for (const obj of this._objects) { |
| 194 | + if (obj.get('name') === name) { |
| 195 | + return obj; |
| 196 | + } |
| 197 | + } |
| 198 | + return undefined; |
| 199 | + } |
| 200 | + |
| 201 | + private _objectsObserver = (events: Y.YEvent<any>[]): void => { |
| 202 | + const changes: Array<{ |
| 203 | + name: string; |
| 204 | + key: keyof IJCadObject; |
| 205 | + newValue: IJCadObject; |
| 206 | + }> = []; |
| 207 | + let needEmit = false; |
| 208 | + events.forEach(event => { |
| 209 | + const name = event.target.get('name'); |
| 210 | + |
| 211 | + if (name) { |
| 212 | + event.keys.forEach((change, key) => { |
| 213 | + if (!needEmit && key !== 'shapeMetadata') { |
| 214 | + needEmit = true; |
| 215 | + } |
| 216 | + changes.push({ |
| 217 | + name, |
| 218 | + key: key as any, |
| 219 | + newValue: JSONExt.deepCopy(event.target.toJSON()) |
| 220 | + }); |
| 221 | + }); |
| 222 | + } |
| 223 | + }); |
| 224 | + needEmit = changes.length === 0 ? true : needEmit; |
| 225 | + if (needEmit) { |
| 226 | + this._objectsChanged.emit({ objectChange: changes }); |
| 227 | + } |
| 228 | + this._changed.emit({ objectChange: changes }); |
| 229 | + }; |
| 230 | + |
| 231 | + private _metaObserver = (event: Y.YMapEvent<string>): void => { |
| 232 | + this._metadataChanged.emit(event.keys); |
| 233 | + }; |
| 234 | + |
| 235 | + private _optionsObserver = (event: Y.YMapEvent<Y.Map<string>>): void => { |
| 236 | + this._optionsChanged.emit(event.keys); |
| 237 | + }; |
| 238 | + |
| 239 | + private _objects: Y.Array<Y.Map<any>>; |
| 240 | + private _options: Y.Map<any>; |
| 241 | + private _metadata: Y.Map<string>; |
| 242 | + private _outputs: Y.Map<IPostResult>; |
| 243 | + private _metadataChanged = new Signal<IJupyterCadDoc, MapChange>(this); |
| 244 | + private _optionsChanged = new Signal<IJupyterCadDoc, MapChange>(this); |
| 245 | + private _objectsChanged = new Signal<IJupyterCadDoc, IJcadObjectDocChange>( |
| 246 | + this |
| 247 | + ); |
| 248 | +} |
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