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

87.27% Statements 48/55
60% Branches 9/15
83.33% Functions 15/18
87.03% Lines 47/54

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 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161                                114x 114x     52x       52x   52x       52x     52x 721x 721x   52x 721x 721x                 52x           51x 29x                 114x 12x 12x   114x             114x     698x   698x       698x 698x   285411x     698x 14489x 14489x       698x           698x       698x           114x             114x         114x   228x 2883x   2883x 2690x       193x   193x   203x     193x     193x 193x               193x     228x   114x    
import * as cornerstoneTools from '@cornerstonejs/tools';
import { updateSegmentationStats } from './updateSegmentationStats';
import { useSelectedSegmentationsForViewportStore } from '../stores';
import { SegmentationRepresentations } from '@cornerstonejs/tools/enums';
 
/**
 * 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 };
}
 
/**
 * Sets up auto tab switching for when the first segmentation is added into the viewer.
 */
export function setUpSelectedSegmentationsForViewportHandler({ segmentationService }) {
  const selectedSegmentationsForViewportEvents = [
    segmentationService.EVENTS.SEGMENTATION_MODIFIED,
    segmentationService.EVENTS.SEGMENTATION_REPRESENTATION_MODIFIED,
  ];
 
  const unsubscribeSelectedSegmentationsForViewportEvents = selectedSegmentationsForViewportEvents
    .map(eventName =>
      segmentationService.subscribe(eventName, event => {
        const { viewportId } = event;
 
        if (!viewportId) {
          return;
        }
 
        const { selectedSegmentationsForViewport, setSelectedSegmentationsForViewport } =
          useSelectedSegmentationsForViewportStore.getState();
 
        const representations = segmentationService.getSegmentationRepresentations(viewportId);
 
        const activeRepresentation = representations.find(representation => representation.active);
 
        const typeToSegmentationIdMap =
          selectedSegmentationsForViewport[viewportId] ??
          new Map<SegmentationRepresentations, string>();
 
        if (activeRepresentation) {
          typeToSegmentationIdMap.set(
            activeRepresentation.type,
            activeRepresentation.segmentationId
          );
        } else E{
          typeToSegmentationIdMap.clear();
        }
 
        setSelectedSegmentationsForViewport(viewportId, typeToSegmentationIdMap);
      })
    )
    .map(subscription => subscription.unsubscribe);
 
  return { unsubscribeSelectedSegmentationsForViewportEvents };
}