64 lines
2.5 KiB
JavaScript
64 lines
2.5 KiB
JavaScript
import { Template } from 'meteor/templating';
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import { Session } from 'meteor/session';
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import { $ } from 'meteor/jquery';
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import { viewportUtils } from '../viewportUtils';
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import { OHIF } from 'meteor/ohif:core';
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import 'meteor/ohif:viewerbase';
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/**
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* Boolean helper to identify if a series instance is active in some viewport
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*/
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Template.registerHelper('isDisplaySetActive', (displaySetInstanceUid, viewportIndex) => {
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// Run this computation every time the viewports are updated
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Session.get('LayoutManagerUpdated');
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// Stop here if layoutManager is not defined yet
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if (!OHIF.viewerbase.layoutManager) {
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return;
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}
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// Check if the display set is current visible in any of the layout
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// manager's displayed viewports. Note that we have to check the
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// onscreen number of viewports here, since the layout manager will
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// keep the viewport data of old viewports, even after the layout is changed.
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//
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// This behaviour is intentional. If the user displays four viewports, then assigns
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// display sets to them, and then switches to / from another layout configuration,
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// we don't want them to lose their specified viewports.
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let result = false;
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if (_.isUndefined(viewportIndex)) {
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// Get the number of viewports that are currently displayed
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// (Note, viewportData may have more entries!)
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const currentNumberOfViewports = OHIF.viewerbase.layoutManager.getNumberOfViewports();
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// Get active viewport element
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const activeViewport = viewportUtils.getActiveViewportElement();
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// Get viewports elements
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const viewportsElement = $('.imageViewerViewport');
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// Loop through the viewport data up until the currently displayed
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// number of viewports
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const viewportData = OHIF.viewerbase.layoutManager.viewportData;
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for (let i = 0; i < currentNumberOfViewports; i++) {
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const data = viewportData[i];
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// If the display set is displayed in this viewport and is active, stop here
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if (data && data.displaySetInstanceUid === displaySetInstanceUid && viewportsElement.get(data.viewportIndex) === activeViewport) {
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result = true;
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break;
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}
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}
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} else {
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const data = OHIF.viewerbase.layoutManager.viewportData[viewportIndex];
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// If the display set is displayed in this viewport, stop here
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if (data && data.displaySetInstanceUid === displaySetInstanceUid) {
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result = true;
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}
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}
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return result;
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});
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