121 lines
4.3 KiB
JavaScript
121 lines
4.3 KiB
JavaScript
import { Template } from 'meteor/templating';
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import { ReactiveVar } from 'meteor/reactive-var';
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import { Session } from 'meteor/session';
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import { $ } from 'meteor/jquery';
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import { OHIF } from 'meteor/ohif:core';
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Template.studySeriesQuickSwitch.onCreated(() => {
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const instance = Template.instance();
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// Defines the study being shown in the current viewport
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instance.data.currentStudy = new ReactiveVar();
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// Gets the viewport data for the given viewport index
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instance.getViewportData = viewportIndex => {
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const layoutManager = OHIF.viewerbase.layoutManager;
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return layoutManager && layoutManager.viewportData && layoutManager.viewportData[viewportIndex];
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};
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// Gets the current viewport data
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const viewportIndex = instance.data.viewportIndex;
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instance.study = {};
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instance.lastStudy = {};
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instance.autorun(() => {
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Session.get('LayoutManagerUpdated');
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const viewportData = instance.getViewportData(viewportIndex);
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// @TypeSafeStudies
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if (viewportData) {
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// Finds the current study and return it
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instance.study = OHIF.viewer.Studies.findBy({
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studyInstanceUid: viewportData.studyInstanceUid
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});
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} else {
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instance.study = OHIF.viewer.Studies.getElementByIndex(0);
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}
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if (!instance.study) {
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return;
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}
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if (instance.study.studyInstanceUid !== instance.lastStudy.studyInstanceUid) {
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// Change the current study to update the thumbnails
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instance.data.currentStudy.set(instance.study);
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instance.lastStudy = instance.study;
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}
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});
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});
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const checkScrollArea = element => {
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const { scrollHeight, offsetHeight, scrollTop } = element;
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const matrix = $(element).find('.thumbnailsWrapper').css('transform');
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let translateY = 0;
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if(matrix && matrix !== 'none') {
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translateY = parseInt(matrix.match(/-?[\d\.]+/g)[5]);
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}
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if(scrollHeight > offsetHeight + scrollTop + translateY) {
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element.classList.add('show-scroll-indicator-down');
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}
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else {
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element.classList.remove('show-scroll-indicator-down');
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}
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if(scrollTop > 0) {
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element.classList.add('show-scroll-indicator-up');
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}
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else {
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element.classList.remove('show-scroll-indicator-up');
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}
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};
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Template.studySeriesQuickSwitch.events({
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'mouseenter .js-quick-switch, mouseenter .js-quick-switch .switchSectionSeries'(event, instance) {
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instance.$('.quickSwitchWrapper').addClass('overlay');
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$(event.currentTarget).addClass('hover');
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instance.$('.scrollArea').each((index, scrollAreaElement) => checkScrollArea(scrollAreaElement));
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},
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'mouseleave .js-quick-switch'(event, instance) {
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instance.$('.js-quick-switch, .switchSectionSeries').removeClass('hover');
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instance.$('.quickSwitchWrapper').removeClass('overlay');
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},
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'click .thumbnailEntry'(event, instance) {
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// Close the quick switch if we have selected a series
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instance.$('.js-quick-switch, .switchSectionSeries').removeClass('hover');
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instance.$('.quickSwitchWrapper').removeClass('overlay');
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},
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'click .study-browser-item'(event, instance) {
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instance.$('.switchSectionSeries').addClass('hover');
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},
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'scroll .scrollArea'(event) {
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checkScrollArea(event.currentTarget);
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}
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});
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Template.studySeriesQuickSwitch.helpers({
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// Get the current study
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currentStudy() {
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return Template.instance().data.currentStudy.get();
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},
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// Check if is Mac OS
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// This is necessary due to fix scrollbar space only in browsers in Mac OS:
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// Since Lion version, the scrollbar is visible only when user scrolls a div
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// As scrollbar is hidden, the space added to hide it in Windows browsers
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// is not enough in Mac OS. For WebKit (Safari and Chrome in Mac OS) there is a CSS
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// solution using ::-webkit-scrollbar, but unfortunately doesn't work for Firefox
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// JS seems to be the only solution for now:
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// - http://stackoverflow.com/questions/6165472/custom-css-scrollbar-for-firefox/6165489#6165489
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// - http://stackoverflow.com/questions/18317634/force-visible-scrollbar-in-firefox-on-mac-os-x/18318273
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isMac() {
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return window.navigator.appVersion.indexOf('Mac');
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}
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});
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