ohif-viewer/Packages/ohif-studies/imports/client/components/browser/item.js
2018-03-26 08:36:48 -03:00

141 lines
4.6 KiB
JavaScript

import { Template } from 'meteor/templating';
import { ReactiveVar } from 'meteor/reactive-var';
import { Tracker } from 'meteor/tracker';
import { $ } from 'meteor/jquery';
import { _ } from 'meteor/underscore';
import { OHIF } from 'meteor/ohif:core';
Template.studyBrowserItem.onCreated(() => {
const instance = Template.instance();
const { studyInformation } = instance.data;
const { studyInstanceUid } = studyInformation;
instance.loaded = new ReactiveVar(false);
instance.loading = new ReactiveVar(false);
instance.studyData = new ReactiveVar(studyInformation);
// Try to load the study data from an external source if available
if (OHIF.studies.getStudyBoxData) {
OHIF.studies.getStudyBoxData(studyInformation).then(studyData => {
if (!instance.loaded.get()) {
instance.studyData.set(studyData);
}
});
}
instance.studyMetadata = null;
instance.getStudyMetadata = () => {
instance.loading.dep.depend();
if (!instance.studyMetadata) {
let study = OHIF.viewer.Studies.findBy({ studyInstanceUid }) || null;
if (study && !(study instanceof OHIF.viewerbase.metadata.StudyMetadata)) {
study = new OHIF.metadata.StudyMetadata(study, study.studyInstanceUid);
}
instance.studyMetadata = study;
}
return instance.studyMetadata;
};
instance.autorun(() => {
const instance = Template.instance();
OHIF.studies.loadingDict.get(studyInstanceUid);
const studyMetadata = instance.getStudyMetadata();
if (studyMetadata) {
const firstInstance = studyMetadata.getFirstInstance();
instance.studyData.set({
studyDate: firstInstance.getRawValue('x00080020') || '',
studyDescription: firstInstance.getRawValue('x00081030') || '',
modalities: firstInstance.getRawValue('x00080060') || '',
});
instance.loaded.set(true);
instance.loading.set(false);
}
});
});
Template.studyBrowserItem.events({
'click .study-item'(event, instance) {
if (instance.loading.get()) return;
const { studyInformation } = instance.data;
// Skip if study is not available (set to false explicitly)
if (studyInformation.available === false) {
return;
}
const element = event.currentTarget.parentElement;
const $element = $(element);
const triggerClick = () => {
const cloneEvent = _.clone(event);
delete cloneEvent.type;
cloneEvent.currentTarget = cloneEvent.target = element;
const newEvent = $.Event('ohif.studies.study.click', cloneEvent);
$element.trigger(newEvent, studyInformation);
};
if (instance.loaded.get()) {
triggerClick();
} else {
instance.loading.set(true);
OHIF.studies.loadStudy(studyInformation.studyInstanceUid).then(() => {
instance.loaded.set(true);
instance.loading.set(false);
$element.trigger('ohif.studies.study.load', studyInformation);
Tracker.afterFlush(triggerClick);
});
}
}
});
Template.studyBrowserItem.helpers({
isLoaded() {
return Template.instance().loaded.get();
},
hasDescriptionAndDate() {
const studyData = Template.instance().studyData.get();
return studyData.studyDescription && studyData.studyDate;
},
isLoading() {
return Template.instance().loading.get();
},
modalitiesText(modalities) {
const text = modalities || 'UN';
return _.uniq(text.split(/[^A-Za-z]+/g)).join(' ');
},
modalityStyle(modalities) {
// Responsively styles the Modality Acronyms for studies with more than one modality
const numModalities = modalities ? modalities.split(/\s/g).length : 1;
if (numModalities === 1) {
// If we have only one modality, it should take up the whole div
return 'font-size:1em';
} else if (numModalities === 2) {
// If we have two modalities, let them sit side-by-side
return 'font-size:0.7em';
} else {
// If we have more than two modalities, change the line height to display multiple rows
return 'font-size:0.7em;line-height:1.4em;padding-top:0.5em';
}
},
studyAvailable() {
const { studyInformation } = Template.instance().data;
if (!studyInformation) {
return;
}
return studyInformation.available;
}
});