127 lines
4.5 KiB
JavaScript
127 lines
4.5 KiB
JavaScript
Template.studyTimepointStudy.onCreated(() => {
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const instance = Template.instance();
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// Set the current study as selected in the studies list
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instance.select = (isQuickSwitch=false) => {
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const $study = instance.$('.studyTimepointStudy');
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const $timepoint = $study.closest('.studyTimepoint');
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const selectionChanged = {
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selection: [$study[0]],
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studyInstanceUid: instance.data.study.studyInstanceUid,
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isQuickSwitch
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};
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$timepoint.trigger('selectionChanged', selectionChanged);
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};
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});
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const initializeStudyWrapper = instance => {
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const $study = instance.$('.studyTimepointStudy');
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const $thumbnails = instance.$('.studyTimepointThumbnails');
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$study.addClass('active');
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// If element already has max-height property set, .height()
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// will return that value, so remove it to recalculate
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$thumbnails.css('max-height', '');
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$thumbnails.css('max-height', $thumbnails.height());
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$study.removeClass('active');
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};
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// Initialize the study wrapper max-height to enable CSS transition
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Template.studyTimepointStudy.onRendered(() => {
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const instance = Template.instance();
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initializeStudyWrapper(instance);
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// Here we add, remove, and add the active class again because this way
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// the max-height animation appears smooth to the user.
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if (instance.data.active) {
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Meteor.setTimeout(() => {
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$study.addClass('active');
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}, 1);
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}
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});
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Template.studyTimepointStudy.helpers({
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modalities() {
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const instance = Template.instance();
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let modalities = instance.data.study.modalities;
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// Replace backslashes with spaces
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return modalities.replace(/\\/g, ' ');
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},
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modalityStyle() {
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// Responsively styles the Modality Acronyms for studies
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// with more than one modality
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const instance = Template.instance();
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const modalities = instance.data.study.modalities || 'UN';
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const numModalities = modalities.split(/\\/g).length;
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if (numModalities === 1) {
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// If we have only one modality, it should take up the whole
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// div.
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return 'font-size: 1vw';
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} else if (numModalities === 2) {
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// If we have two, let them sit side-by-side
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return 'font-size: 0.75vw';
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} else {
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// If we have more than two modalities, change the line
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// height to display multiple rows, depending on the number
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// of modalities we need to display.
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const lineHeight = Math.ceil(numModalities / 2) * 1.2;
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return 'line-height: ' + lineHeight + 'vh';
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}
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}
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});
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Template.studyTimepointStudy.events({
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// Recalculates the timepoint height to make CSS transition smoother
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'transitionend .studyTimepointThumbnails'(event, instance) {
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if (event.target === event.currentTarget) {
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$(event.currentTarget).closest('.studyTimepoint').trigger('displayStateChanged');
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}
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},
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// Transfers the active state to the current study
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'click .studyQuickSwitchTimepoint .studyModality'(event, instance) {
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instance.select(true);
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},
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// Changes the current study selection for the clicked study
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'click .studyModality'(event, instance) {
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const $study = $(event.currentTarget).closest('.studyTimepointStudy');
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const studyData = instance.data.study;
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const { studyInstanceUid, _id } = studyData;
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const isQuickSwitch = !_.isUndefined(instance.data.viewportIndex);
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// Check if the study already has series data,
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// and if not, retrieve it.
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if (!studyData.seriesList) {
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const alreadyLoaded = ViewerStudies.findOne({
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_id
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});
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if (!alreadyLoaded) {
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$study.addClass('loading');
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getStudyMetadata(studyInstanceUid, study => {
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study.displaySets = createStacks(study);
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instance.data.study = study;
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ViewerStudies.insert(study, () => {
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// To make sure studies are rendered in the DOM
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// use minimongo insert callback
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initializeStudyWrapper(instance);
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instance.select(isQuickSwitch);
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});
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});
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} else {
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studyData.seriesList = alreadyLoaded.seriesList;
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}
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} else {
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instance.select(isQuickSwitch);
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}
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}
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});
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