All files / extensions/cornerstone/src/utils segmentationHandlers.ts

78.94% Statements 30/38
50% Branches 5/10
69.23% Functions 9/13
78.94% Lines 30/38

Press n or j to go to the next uncovered block, b, p or k for the previous block.

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113                            59x 59x     25x       25x   25x       25x     25x 484x 484x   25x 484x 484x                 25x           25x 18x                 59x       59x             59x     252x   252x       252x 252x   1754x     252x 5989x 5989x       252x           252x       252x           59x    
import * as cornerstoneTools from '@cornerstonejs/tools';
import { updateSegmentationStats } from './updateSegmentationStats';
 
/**
 * Sets up the handler for segmentation data modification events
 */
export function setupSegmentationDataModifiedHandler({
  segmentationService,
  customizationService,
  commandsManager,
}) {
  // A flag to indicate if the event is unsubscribed to. This is important because
  // the debounced callback does an await and in that period of time the event may have
  // been unsubscribed.
  let isUnsubscribed = false;
  const { unsubscribe: debouncedUnsubscribe } = segmentationService.subscribeDebounced(
    segmentationService.EVENTS.SEGMENTATION_DATA_MODIFIED,
    async ({ segmentationId }) => {
      const disableUpdateSegmentationStats = customizationService.getCustomization(
        'panelSegmentation.disableUpdateSegmentationStats'
      );
 
      const segmentation = segmentationService.getSegmentation(segmentationId);
 
      Iif (!segmentation || disableUpdateSegmentationStats) {
        return;
      }
 
      const readableText = customizationService.getCustomization('panelSegmentation.readableText');
 
      // Check for segments with bidirectional measurements and update them
      const segmentIndices = Object.keys(segmentation.segments)
        .map(index => parseInt(index))
        .filter(index => index > 0);
 
      for (const segmentIndex of segmentIndices) {
        const segment = segmentation.segments[segmentIndex];
        Iif (segment?.cachedStats?.namedStats?.bidirectional) {
          // Run the command to update the bidirectional measurement
          commandsManager.runCommand('runSegmentBidirectional', {
            segmentationId,
            segmentIndex,
          });
        }
      }
 
      const updatedSegmentation = await updateSegmentationStats({
        segmentation,
        segmentationId,
        readableText,
      });
 
      if (!isUnsubscribed && updatedSegmentation) {
        segmentationService.addOrUpdateSegmentation({
          segmentationId,
          segments: updatedSegmentation.segments,
        });
      }
    },
    1000
  );
 
  const unsubscribe = () => {
    isUnsubscribed = true;
    debouncedUnsubscribe();
  };
  return { unsubscribe };
}
 
/**
 * Sets up the handler for segmentation modification events
 */
export function setupSegmentationModifiedHandler({ segmentationService }) {
  const { unsubscribe } = segmentationService.subscribe(
    segmentationService.EVENTS.SEGMENTATION_MODIFIED,
    async ({ segmentationId }) => {
      const segmentation = segmentationService.getSegmentation(segmentationId);
 
      Iif (!segmentation) {
        return;
      }
 
      const annotationState = cornerstoneTools.annotation.state.getAllAnnotations();
      const bidirectionalAnnotations = annotationState.filter(
        annotation =>
          annotation.metadata.toolName === cornerstoneTools.SegmentBidirectionalTool.toolName
      );
 
      const segmentIndices = Object.keys(segmentation.segments)
        .map(index => parseInt(index))
        .filter(index => index > 0);
 
      // check if there is a bidirectional data that exists but the segment
      // does not exists anymore we need to remove the bidirectional data
      const bidirectionalAnnotationsToRemove = bidirectionalAnnotations.filter(
        annotation =>
          annotation.metadata.segmentationId === segmentationId &&
          !segmentIndices.includes(annotation.metadata.segmentIndex)
      );
 
      const toRemoveUIDs = bidirectionalAnnotationsToRemove.map(
        annotation => annotation.annotationUID
      );
 
      toRemoveUIDs.forEach(uid => {
        cornerstoneTools.annotation.state.removeAnnotation(uid);
      });
    }
  );
 
  return { unsubscribe };
}