ohif-viewer/Packages/ohif-measurements/client/lib/activateMeasurements.js

99 lines
3.4 KiB
JavaScript

import { OHIF } from 'meteor/ohif:core';
/**
* Activates a specific tool data instance and deactivates all other
* target and non-target measurement data
*
* @param element
* @param measurementData
*/
function activateTool(measurementData) {
const toolType = measurementData.toolType;
const imageId = measurementData.imageId;
const toolState = cornerstoneTools.globalImageIdSpecificToolStateManager.toolState;
const toolData = toolState[imageId][toolType];
if (!toolData || !toolData.data || !toolData.data.length) {
return;
}
// When a measurement is selected, it will be activated in Cornerstone's
// tool data
const tool = toolData.data.find(data => data._id === measurementData._id);
tool.active = true;
};
/**
* Switch to the image of the correct image index
* Activate the selected measurement on the switched image (color to be green)
* Deactivate all other measurements on the switched image (color to be white)
*/
OHIF.measurements.activateMeasurements = (element, measurementData) => {
console.log('activateMeasurements');
// If Cornerstone Viewport information was stored while the measurement was created,
// we should re-apply this data when activating the measurement.
const viewport = cornerstone.getViewport(element);
// TODO: Make this an option somewhere? For now we only want to apply windowWidth and
// windowCenter
const viewportPropertiesToUpdate = ['voi'];
// Check to make sure we actually stored viewport data before trying to apply it
if (measurementData.viewport) {
// For each property which is not undefined, update it's value from the stored
// measurement data
viewportPropertiesToUpdate.forEach(prop => {
const storedPropertyValue = measurementData.viewport[prop];
if (storedPropertyValue === undefined) {
return;
}
viewport[prop] = storedPropertyValue;
});
// Apply the updated viewport parameters to the element
cornerstone.setViewport(element, viewport);
}
// Activate the tool in the tool data
activateTool(measurementData);
const enabledElement = cornerstone.getEnabledElement(element);
const currentImageId = enabledElement.image.imageId;
const toolData = cornerstoneTools.getToolState(element, 'stack');
const imageIdIndex = toolData.data[0].imageIds.indexOf(measurementData.imageId);
// If we aren't currently displaying the image that this tool is on,
// scroll to it now.
if (currentImageId !== measurementData.imageId) {
cornerstoneTools.scrollToIndex(element, imageIdIndex);
}
// TODO: Find another way to do this?
// This might update one element twice, but at least it makes sure all viewports are
// updated and the highlight is removed from inactive tools in all visible viewports
const $viewports = $('.imageViewerViewport');
$viewports.each((index, element) => {
if (!$(element).find('canvas')) {
return;
}
// TODO: Implement isEnabledElement in Cornerstone
// or maybe just remove the 'error' this throws?
let ee;
try {
ee = cornerstone.getEnabledElement(element)
} catch(error) {
OHIF.log.warn(error);
return;
}
if (!ee.image) {
return;
}
cornerstone.updateImage(element)
});
};