61 lines
2.8 KiB
JavaScript
61 lines
2.8 KiB
JavaScript
import { cornerstone, cornerstoneTools } from 'meteor/ohif:cornerstone';
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import { toolType } from './definitions';
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import createNewMeasurement from './createNewMeasurement';
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import updatePerpendicularLineHandles from './updatePerpendicularLineHandles';
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export default function(touchEventData) {
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const element = { touchEventData };
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const $element = $(element);
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// LT-29 Disable Target Measurements when pixel spacing is not available
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if (!touchEventData.image.rowPixelSpacing || !touchEventData.image.columnPixelSpacing) return;
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const doneCallback = () => {
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measurementData.active = false;
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cornerstone.updateImage(element);
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};
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const measurementData = createNewMeasurement(touchEventData);
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const { cancelled, handles } = measurementData;
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const config = cornerstoneTools[toolType].getConfiguration();
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// associate this data with this imageId so we can render it and manipulate it
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cornerstoneTools.addToolState(element, toolType, measurementData);
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// since we are dragging to another place to drop the end point, we can just activate
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// the end point and let the moveHandle move it for us.
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const { touchMoveHandle, tapCallback, touchDownActivateCallback } = cornerstoneTools[toolType];
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$element.off('CornerstoneToolsTouchDrag', touchMoveHandle);
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$element.off('CornerstoneToolsTap', tapCallback);
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$element.off('CornerstoneToolsDragStartActive', touchDownActivateCallback);
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// Update the perpendicular line handles position
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const updateHandler = (event, eventData) => updatePerpendicularLineHandles(eventData, measurementData);
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$element.on('CornerstoneToolsTouchDrag', updateHandler);
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$element.on('CornerstoneToolsTouchEnd', updateHandler);
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cornerstone.updateImage(element);
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const { end, perpendicularStart } = handles;
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cornerstoneTools.moveNewHandleTouch(touchEventData, toolType, measurementData, end, () => {
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if (cancelled || cornerstoneTools.anyHandlesOutsideImage(touchEventData, handles)) {
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// delete the measurement
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cornerstoneTools.removeToolState(element, toolType, measurementData);
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} else {
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// Set lesionMeasurementData Session
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config.getMeasurementLocationCallback(measurementData, touchEventData, doneCallback);
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}
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// perpendicular line is not connected to long-line
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perpendicularStart.locked = false;
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// Unbind the handlers to update perpendicular line
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$element.off('CornerstoneToolsTouchDrag', updateHandler);
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$element.off('CornerstoneToolsTouchEnd', updateHandler);
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$element.on('CornerstoneToolsTouchDrag', touchMoveHandle);
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$element.on('CornerstoneToolsTap', tapCallback);
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$element.on('CornerstoneToolsDragStartActive', touchDownActivateCallback);
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cornerstone.updateImage(element);
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});
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}
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