28 lines
949 B
JavaScript
28 lines
949 B
JavaScript
import $ from 'jquery';
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export function getElementIfNotEmpty(viewportIndex) {
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// Meteor template helpers run more often than expected
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// They often seem to run just before the whole template is rendered
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// This meant that the onRendered event hadn't fired yet, so the
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// element wasn't enabled / set empty yet. The check here
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// for canvases under the 'enabled' element div is to prevent
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// 'undefined' errors from the helper functions
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var imageViewerViewports = $('.imageViewerViewport'),
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element = imageViewerViewports.get(viewportIndex),
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canvases = imageViewerViewports.eq(viewportIndex).find('canvas');
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if (!element || $(element).hasClass('empty') || canvases.length === 0) {
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return;
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}
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// Check to make sure the element is enabled.
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try {
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var enabledElement = cornerstone.getEnabledElement(element);
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} catch(error) {
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return;
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}
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return element;
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}
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