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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,25 @@ | ||
| import { MRIFileReader, mriFileReader } from './core/readers'; | ||
| import { MRIEventsService } from './services'; | ||
| import mriEventsService from './services/EventsService'; | ||
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| export class MRIViwer { | ||
| public fileReader: MRIFileReader; | ||
| public events: MRIEventsService; | ||
|
|
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| constructor() { | ||
| this.events = mriEventsService; | ||
| this.fileReader = mriFileReader; | ||
| } | ||
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| read(data: File[] | string): void { | ||
| console.log('data = ', data); | ||
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| this.fileReader.read(data); | ||
| } | ||
| } | ||
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| // Create the singleton instance and freeze it | ||
| const w3MriViwer = new MRIViwer(); | ||
| Object.freeze(w3MriViwer); | ||
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| export default w3MriViwer; |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,3 @@ | ||
| export const volumeConfig: any = { | ||
| setTextureSize4X: true, | ||
| }; |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,28 @@ | ||
| import { MRIUrlReader } from './url/MRIUrlReader'; | ||
| import { MRIFileReaderFactory } from './local/MRIFileReaderFactory'; | ||
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| export class MRIFileReader { | ||
| private localFileReader: MRIFileReaderFactory; | ||
| private urlFileReader: MRIUrlReader; | ||
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| constructor() { | ||
| this.localFileReader = new MRIFileReaderFactory(); | ||
| this.urlFileReader = new MRIUrlReader(); | ||
| } | ||
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| read(data: File[] | string): void { | ||
| if (data && data.length && data[0] instanceof File) { | ||
| this.localFileReader.read(data as File[]); | ||
| } else if (typeof data === 'string') { | ||
| this.urlFileReader.read(data as string); | ||
| } else { | ||
| throw new Error('Invalid input. Expected a File or URL string.'); | ||
| } | ||
| } | ||
| } | ||
|
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| // Create the singleton instance and freeze it | ||
| const mriFileReader = new MRIFileReader(); | ||
| Object.freeze(mriFileReader); | ||
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| export default mriFileReader; |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,83 @@ | ||
| import LoadResult from '../../../../LoadResult'; | ||
| import VolumeSet from '../../../../VolumeSet'; | ||
| import LoaderDicom from '../../../../loaders/LoaderDicom'; | ||
| import LoaderHdr from '../../../../loaders/LoaderHdr'; | ||
| import { volumeConfig } from '../../../config/volume.config'; | ||
| import { MriEvents } from '../../../enums'; | ||
| import mriEventsService, { MRIEventsService } from '../../../services/EventsService'; | ||
| import mriLocalStorageService, { MRILocalStorageService } from '../../../services/LocalStorageService'; | ||
| import mriStoreService, { MRIStoreService } from '../../../services/StoreService'; | ||
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| export abstract class AbstractMRIReader { | ||
| // VolumeData | ||
| volumeSet: VolumeSet; | ||
| volumeIndex: number = 0; | ||
| // FileData | ||
| fileName: string; | ||
| fileExtension: string; | ||
| // File Handlers | ||
| loader: LoaderDicom | LoaderHdr | null; | ||
| fileReader: FileReader; | ||
| // Services | ||
| store: MRIStoreService; | ||
| events: MRIEventsService; | ||
| localStorage: MRILocalStorageService; | ||
|
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| constructor() { | ||
| this.loader = null; | ||
| this.volumeSet = new VolumeSet(); | ||
| this.fileReader = new FileReader(); | ||
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| this.fileName = ''; | ||
| this.fileExtension = ''; | ||
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| this.store = mriStoreService; | ||
| this.events = mriEventsService; | ||
| this.localStorage = mriLocalStorageService; | ||
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| this.callbackReadProgress = this.callbackReadProgress.bind(this); | ||
| this.callbackReadComplete = this.callbackReadComplete.bind(this); | ||
| } | ||
|
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| public handleVolumeLoadSuccess() { | ||
| const volume = this.volumeSet.getVolume(this.volumeIndex); | ||
|
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| if (!volume.m_dataArray) return; | ||
|
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| if (volumeConfig.setTextureSize4X) { | ||
| volume.makeDimensions4x(); | ||
| } | ||
|
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| this.callbackReadProgress(1); | ||
| this.localStorage.saveRecentFiles(this.fileName); | ||
| this.store.setVolume(this.volumeSet, this.volumeIndex, this.fileName); | ||
|
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| if (this.store.getState().graphics2d) { | ||
| this.store.getState().graphics2d.forceUpdate(); | ||
| } | ||
| } | ||
|
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| public handleVolumeLoadFailed(error: string) { | ||
| this.events.emit(MriEvents.FILE_READ_ERROR, { error }); | ||
| this.store.setVolumeLoadFailed(this.fileName, [error]); | ||
| } | ||
|
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| public callbackReadProgress(progress: number) { | ||
| const progressPercentage: number = Math.floor(progress * 100); | ||
|
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| if (progressPercentage >= 99) { | ||
| this.store.setLoadingProgress(0); | ||
| } else { | ||
| this.store.setLoadingProgress(progressPercentage); | ||
| } | ||
| } | ||
|
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| public callbackReadComplete(status: number) { | ||
| if (status === LoadResult.SUCCESS) { | ||
| this.handleVolumeLoadSuccess(); | ||
| } else { | ||
| const error = LoadResult.getResultString(status); | ||
| this.handleVolumeLoadFailed(error); | ||
| } | ||
| } | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,3 @@ | ||
| import mriFileReader, { MRIFileReader } from './MRIFileReader'; | ||
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| export { mriFileReader, MRIFileReader }; |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,56 @@ | ||
| import JSZip from 'jszip'; | ||
|
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| const IGNORED_FILE_PREFIXES = ['__MACOSX/', '._']; | ||
|
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| export class ArchiveReader { | ||
| /** | ||
| * Reads the provided ZIP file and returns the list of extracted files. | ||
| * @param file - The ZIP file to be read. | ||
| * @returns A promise that resolves to an array of files extracted from the ZIP. | ||
| */ | ||
| async readZipFile(file: File): Promise<File[]> { | ||
| const zip = new JSZip(); | ||
| const unzippedFiles: File[] = []; | ||
|
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| const arrayBuffer = await this.readFileAsArrayBuffer(file); | ||
|
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| // Load the ZIP file | ||
| await zip.loadAsync(arrayBuffer); | ||
|
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| // Use the original order in the ZIP file | ||
| for (const fileName in zip.files) { | ||
| // Skip OS specific files and folders | ||
| if (this.shouldSkipFile(fileName)) { | ||
| continue; | ||
| } | ||
|
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| const zipObject = zip.files[fileName]; | ||
|
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| if (!zipObject.dir) { | ||
| const blob = await zipObject.async('blob'); | ||
| unzippedFiles.push(new File([blob], fileName, { type: blob.type })); | ||
| } | ||
| } | ||
|
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| return unzippedFiles.sort((a, b) => a.name.localeCompare(b.name)); | ||
| } | ||
|
|
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| /** | ||
| * Determines if a file from the ZIP should be skipped based on its name. | ||
| * @param fileName - The name of the file to check. | ||
| * @returns True if the file should be skipped, false otherwise. | ||
| */ | ||
| private shouldSkipFile(fileName: string): boolean { | ||
| return IGNORED_FILE_PREFIXES.some((prefix) => fileName.startsWith(prefix)); | ||
| } | ||
|
|
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| // Function to read a file as ArrayBuffer | ||
| readFileAsArrayBuffer(file: File): Promise<ArrayBuffer> { | ||
| return new Promise((resolve, reject) => { | ||
| const reader = new FileReader(); | ||
| reader.onload = () => resolve(reader.result as ArrayBuffer); | ||
| reader.onerror = reject; | ||
| reader.readAsArrayBuffer(file); | ||
| }); | ||
| } | ||
| } |
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