WIP rehydration.

extensions/dicom-sr/src/getSopClassHandlerModule.js

@@ -1,6 +1,9 @@
 import id from './id';
 import { utils, classes } from '@ohif/core';
 import addMeasurement from './utils/addMeasurement.js';
+import { adapters } from 'dcmjs';
+
+const cornerstoneAdapters = adapters.Cornerstone;
 
 const { ImageSet } = classes;
 
@@ -24,6 +27,7 @@ const CodeNameCodeSequenceValues = {
   MeasurementGroup: '125007',
   ImageLibraryGroup: '126200',
   TrackingUniqueIdentifier: '112040',
+  TrackingIdentifier: '112039',
 };
 
 const RELATIONSHIP_TYPE = {
@@ -49,7 +53,7 @@ function _getDisplaySetsFromSeries(
     throw new Error('No instances were provided');
   }
 
-  const { DisplaySetService } = servicesManager.services;
+  const { DisplaySetService, MeasurementService } = servicesManager.services;
   const dataSources = extensionManager.getDataSources();
   const dataSource = dataSources[0];
 
@@ -91,6 +95,13 @@ function _getDisplaySetsFromSeries(
     sopClassUids,
   };
 
+  if (_isRehydratable(displaySet, MeasurementService)) {
+    displaySet.isLocked = false;
+    displaySet.isHydrated = false;
+  } else {
+    displaySet.isLocked = true;
+  }
+
   // Check currently added displaySets and add measurements if the sources exist.
   DisplaySetService.activeDisplaySets.forEach(activeDisplaySet => {
     _checkIfCanAddMeasurementsToDisplaySet(
@@ -119,6 +130,49 @@ function _getDisplaySetsFromSeries(
   return [displaySet];
 }
 
+function _isRehydratable(displaySet, MeasurementService) {
+  const mappings = MeasurementService.getSourceMappings(
+    'CornerstoneTools',
+    '4'
+  );
+
+  if (!mappings || !mappings.length) {
+    return false;
+  }
+
+  const mappingDefinitions = mappings.map(m => m.definition);
+  const { measurements } = displaySet;
+
+  const adapterKeys = Object.keys(cornerstoneAdapters).filter(
+    adapterKey =>
+      typeof cornerstoneAdapters[adapterKey]
+        .isValidCornerstoneTrackingIdentifier === 'function'
+  );
+
+  const adapters = [];
+
+  adapterKeys.forEach(key => {
+    if (mappingDefinitions.includes(key)) {
+      // Must have both a dcmjs adapter and a MeasurementService
+      // Definition in order to be a candidate for import.
+      adapters.push(cornerstoneAdapters[key]);
+    }
+  });
+
+  for (let i = 0; i < measurements.length; i++) {
+    const TrackingIdentifier = measurements[i].TrackingIdentifier;
+    const hydratable = adapters.some(adapter =>
+      adapter.isValidCornerstoneTrackingIdentifier(TrackingIdentifier)
+    );
+
+    if (hydratable) {
+      return true;
+    }
+  }
+
+  return false;
+}
+
 function _checkIfCanAddMeasurementsToDisplaySet(
   srDisplaySet,
   newDisplaySet,
@@ -345,6 +399,12 @@ function _processTID1410Measurement(mergedContentSequence) {
     group => group.ValueType === 'UIDREF'
   );
 
+  const TrackingIdentifierContentItem = mergedContentSequence.find(
+    item =>
+      item.ConceptNameCodeSequence.CodeValue ===
+      CodeNameCodeSequenceValues.TrackingIdentifier
+  );
+
   if (!graphicItem) {
     console.warn(
       `graphic ValueType ${graphicItem.ValueType} not currently supported, skipping annotation.`
@@ -361,6 +421,7 @@ function _processTID1410Measurement(mergedContentSequence) {
     labels: [],
     coords: [_getCoordsFromSCOORDOrSCOORD3D(graphicItem)],
     TrackingUniqueIdentifier: UIDREFContentItem.UID,
+    TrackingIdentifier: TrackingIdentifierContentItem.TextValue,
   };
 
   NUMContentItems.forEach(item => {
@@ -388,11 +449,18 @@ function _processNonGeometricallyDefinedMeasurement(mergedContentSequence) {
     group => group.ValueType === 'UIDREF'
   );
 
+  const TrackingIdentifierContentItem = mergedContentSequence.find(
+    item =>
+      item.ConceptNameCodeSequence.CodeValue ===
+      CodeNameCodeSequenceValues.TrackingIdentifier
+  );
+
   const measurement = {
     loaded: false,
     labels: [],
     coords: [],
     TrackingUniqueIdentifier: UIDREFContentItem.UID,
+    TrackingIdentifier: TrackingIdentifierContentItem.TextValue,
   };
 
   NUMContentItems.forEach(item => {