Igor OctavianoandAlireza
8f2604509d
* Enable study prefetcher and expose configs * Fix progress for all images * Enable study loading listener * Add new default for displaying progress bar for series * Use events instead of redux to improve performance * Add documentation, resolve issues with different datasets * CR Updates * CR Updates * CR Updates & Resolve issue when activating both stack and study prefetch * Add upward and update display set logic * Add new behavior to prefetching orders * Rollback display set check and activate cache check * Remove prefetch check * Check if displayset has images * Debounce check cache events * Remove usued debounce flags * Ignore prefetching same image * Use new image instead of image rendered * Continue prefetch after cache check * Update prefetch logic after checking cache * Remove log * Update displayset count default to 3 * Update netlify config Co-authored-by: Alireza <ar.sedghi@gmail.com>
94 lines
2.7 KiB
JavaScript
94 lines
2.7 KiB
JavaScript
import React, { useEffect } from 'react';
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import { classes, utils } from '@ohif/core';
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import PropTypes from 'prop-types';
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import cs from 'cornerstone-core';
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import './StudyPrefetcher.css';
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const StudyPrefetcher = ({ studies, options }) => {
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useEffect(() => {
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const studyPrefetcher = classes.StudyPrefetcher.getInstance(
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studies,
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options
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);
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const studiesMetadata = studies.map(s =>
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utils.studyMetadataManager.get(s.StudyInstanceUID)
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);
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studyPrefetcher.setStudies(studiesMetadata);
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const onNewImage = ({ detail }) => {
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/**
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* When images are cached the viewport will load instantly and
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* the display sets will not be available at this point in time.
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*
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* This code add display sets and updates the study prefetcher metadata.
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*/
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const studiesMetadata = studies.map(s => {
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const studyMetadata = utils.studyMetadataManager.get(
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s.StudyInstanceUID
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);
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const displaySets = studyMetadata.getDisplaySets();
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if (!displaySets || displaySets.length < 1) {
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s.displaySets.forEach(ds => studyMetadata.addDisplaySet(ds));
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}
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return studyMetadata;
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});
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studyPrefetcher.setStudies(studiesMetadata);
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const study = studyPrefetcher.getStudy(detail.image);
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const series = studyPrefetcher.getSeries(study, detail.image);
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const instance = studyPrefetcher.getInstance(series, detail.image);
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if (study.displaySets && study.displaySets.length > 0) {
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const {
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displaySetInstanceUID,
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} = studyPrefetcher.getDisplaySetBySOPInstanceUID(
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study.displaySets,
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instance
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);
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studyPrefetcher.prefetch(detail.element, displaySetInstanceUID);
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}
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};
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const onElementEnabled = ({ detail }) => {
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detail.element.addEventListener(cs.EVENTS.NEW_IMAGE, onNewImage);
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};
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cs.events.addEventListener(cs.EVENTS.ELEMENT_ENABLED, onElementEnabled);
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return () => {
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cs.events.removeEventListener(
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cs.EVENTS.ELEMENT_ENABLED,
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onElementEnabled
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);
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studyPrefetcher.destroy();
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};
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}, [options, studies]);
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return null;
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};
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StudyPrefetcher.propTypes = {
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studies: PropTypes.array.isRequired,
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options: PropTypes.shape({
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enabled: PropTypes.bool,
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order: PropTypes.string,
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displaySetCount: PropTypes.number,
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preventCache: PropTypes.bool,
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prefetchDisplaySetsTimeout: PropTypes.number,
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includeActiveDisplaySet: PropTypes.bool,
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}),
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};
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StudyPrefetcher.defaultProps = {
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options: {
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order: 'closest',
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displaySetCount: 1,
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preventCache: false,
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prefetchDisplaySetsTimeout: 300,
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includeActiveDisplaySet: false,
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},
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};
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export default StudyPrefetcher;
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