ohif-viewer/Packages/ohif-lesiontracker/client/components/timepointBrowser/quickSwitch.js
2017-11-06 17:02:39 -02:00

137 lines
5.4 KiB
JavaScript

import { Meteor } from 'meteor/meteor';
import { Template } from 'meteor/templating';
import { ReactiveVar } from 'meteor/reactive-var';
import { Tracker } from 'meteor/tracker';
import { _ } from 'meteor/underscore';
import { OHIF } from 'meteor/ohif:core';
Template.timepointBrowserQuickSwitch.onCreated(() => {
const instance = Template.instance();
const { timepointApi } = OHIF.viewer;
instance.hasAdditional = new ReactiveVar(false);
instance.showAdditional = new ReactiveVar(false);
instance.selectedTimepoint = new ReactiveVar();
instance.timepoints = new ReactiveVar([]);
instance.updateSelectedTimepoint = studyInstanceUid => {
const selectedTimepoint = timepointApi.study(studyInstanceUid)[0];
instance.selectedTimepoint.set(selectedTimepoint);
};
const currentTimepoint = timepointApi.current();
const filter = { latestDate: { $lte: currentTimepoint.latestDate } };
instance.keyTimepoints = timepointApi.key(filter);
const { viewportIndex } = instance.data;
instance.autorun(() => {
OHIF.viewerbase.layoutManager.observer.depend();
const viewportData = OHIF.viewerbase.layoutManager.viewportData[viewportIndex];
let { studyInstanceUid } = viewportData;
if (!studyInstanceUid) {
Tracker.nonreactive(() => {
const currentStudy = instance.data.currentStudy.get();
if (currentStudy) {
studyInstanceUid = currentStudy.studyInstanceUid;
}
});
}
instance.updateSelectedTimepoint(studyInstanceUid);
});
instance.autorun(() => {
instance.data.currentStudy.dep.depend();
instance.showAdditional.set(false);
});
instance.autorun(() => {
const showAdditional = instance.showAdditional.get();
instance.hasAdditional.set(!showAdditional && instance.keyTimepoints.length > 1);
});
instance.autorun(() => {
const selectedTimepoint = instance.selectedTimepoint.get();
const showAdditional = instance.showAdditional.get();
const timepoints = showAdditional ? instance.keyTimepoints : [selectedTimepoint];
instance.timepoints.set(timepoints);
});
});
Template.timepointBrowserQuickSwitch.onRendered(() => {
const instance = Template.instance();
instance.updateActiveStudy = () => {
const currentStudy = instance.data.currentStudy.get();
const studyInstanceUid = (currentStudy && currentStudy.studyInstanceUid) || '';
Tracker.afterFlush(() => {
const $studyBrowserItems = instance.$('.study-browser-item');
$studyBrowserItems.removeClass('active');
$studyBrowserItems.filter(`[data-uid="${studyInstanceUid}"]`).addClass('active');
});
};
instance.autorun(() => {
const selectedTimepoint = instance.selectedTimepoint.get();
const selectedTimepointId = (selectedTimepoint && selectedTimepoint.timepointId) || '';
const $allBrowserItems = instance.$('.timepoint-browser-item');
const $browserItem = $allBrowserItems.filter(`[data-id=${selectedTimepointId}]`);
if (!$browserItem.hasClass('active')) {
$browserItem.find('.timepoint-item').trigger('click');
}
});
instance.autorun(instance.updateActiveStudy);
});
Template.timepointBrowserQuickSwitch.events({
'ohif.lesiontracker.timepoint.click'(event, instance) {
const $element = $(event.currentTarget);
$element.toggleClass('active');
instance.updateActiveStudy();
},
'ohif.studies.study.click'(event, instance, studyInformation) {
const { studyInstanceUid } = studyInformation;
const study = OHIF.viewer.Studies.findBy({ studyInstanceUid });
instance.data.currentStudy.set(study);
const $studySwitch = $(event.currentTarget).closest('.study-switch');
$studySwitch.siblings('.series-switch').trigger('rescale');
instance.updateSelectedTimepoint(studyInformation.studyInstanceUid);
// Create a hover bridge to prevent quick switch from closing due to scroll height
Meteor.defer(() => {
const $scrollable = $studySwitch.find('.study-browser>.scrollable');
const offsetY = $scrollable.offset().top + $scrollable.outerHeight();
if (event.clientY > offsetY) {
const hoverHandler = _.throttle(event => {
if (event.clientY <= offsetY) {
$scrollable.css('padding-bottom', '');
$scrollable.off('mousemove', hoverHandler);
$scrollable.off('mouseleave', hoverHandler);
}
}, 100);
$scrollable.css('padding-bottom', event.clientY - offsetY + 20);
$scrollable.on('mousemove', hoverHandler);
$scrollable.one('mouseleave', () => $scrollable.off('mousemove', hoverHandler));
}
});
},
'click .study-item-box.additional'(event, instance) {
instance.showAdditional.set(true);
}
});
Template.timepointBrowserQuickSwitch.helpers({
timepointBrowserData() {
const instance = Template.instance();
const { timepointApi } = OHIF.viewer;
return {
timepointApi,
timepoints: instance.timepoints.get(),
timepointChildTemplate: 'timepointBrowserStudies'
};
}
});