ohif-viewer/Packages/ohif-lesiontracker/client/components/timepointBrowser/item.js
2017-10-25 22:20:43 -02:00

84 lines
3.0 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.timepointBrowserItem.onCreated(() => {
const instance = Template.instance();
const { timepoint, timepointApi } = instance.data;
const { timepointId } = timepoint;
const hasStudiesData = !!(timepoint.studiesData && timepoint.studiesData.length);
instance.summary = new ReactiveVar('');
instance.studiesData = new ReactiveVar(hasStudiesData ? timepoint.studiesData : null);
const updateStudiesData = newDocument => {
const newTimepoint = newDocument || timepointApi.timepoints.findOne({ timepointId });
if (newTimepoint && newTimepoint.studiesData && newTimepoint.studiesData.length) {
instance.studiesData.set(newTimepoint.studiesData);
}
};
timepointApi.timepoints.find({ timepointId }).observe({ changed: updateStudiesData });
// Build the modalities summary of all timepoint's studies
instance.setModalitiesSummary = () => {
const studiesData = instance.studiesData.get();
if (!studiesData) return;
const modalities = {};
studiesData.forEach(study => {
const modality = study.modalities || 'UN';
modalities[modality] = modalities[modality] + 1 || 1;
});
const summary = [];
_.each(modalities, (count, modality) => summary.push(`${count} ${modality}`));
instance.summary.set(summary.join(', '));
};
const filter = { studyInstanceUid: timepoint.studyInstanceUids };
instance.loadStudies = () => OHIF.studies.searchStudies(filter).then(studiesData => {
instance.studiesData.set(studiesData);
timepointApi.timepoints.update(timepoint._id, { $set: { studiesData } });
instance.setModalitiesSummary();
}).catch(error => {
const text = 'An error has occurred while retrieving studies information';
OHIF.ui.notifications.danger({ text });
OHIF.log.error(error);
});
updateStudiesData();
instance.autorun(() => {
const studiesData = instance.studiesData.get();
if (studiesData) {
instance.setModalitiesSummary();
}
});
});
Template.timepointBrowserItem.events({
'ohif.lesiontracker.timepoint.load .timepoint-item'(event, instance) {
instance.loadStudies();
},
'click .timepoint-item'(event, instance) {
const element = event.currentTarget.parentElement;
const $element = $(element);
const triggerClick = () => {
$element.trigger('ohif.lesiontracker.timepoint.click', instance.data.timepoint);
};
if (!instance.studiesData.get()) {
instance.summary.set('Loading...');
instance.loadStudies().then(() => Tracker.afterFlush(triggerClick));
} else {
triggerClick();
}
}
});