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| 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 | 34x | import { DisplaySetService, ViewportGridService } from '@ohif/core';
const IMAGE_SLICE_SYNC_NAME = 'IMAGE_SLICE_SYNC';
export default function toggleImageSliceSync({
servicesManager,
viewports: providedViewports,
syncId,
}: withAppTypes) {
const { syncGroupService, viewportGridService, displaySetService, cornerstoneViewportService } =
servicesManager.services;
syncId ||= IMAGE_SLICE_SYNC_NAME;
const viewports =
providedViewports || getReconstructableStackViewports(viewportGridService, displaySetService);
// Todo: right now we don't have a proper way to define specific
// viewports to add to synchronizers, and right now it is global or not
// after we do that, we should do fine grained control of the synchronizers
const someViewportHasSync = viewports.some(viewport => {
const syncStates = syncGroupService.getSynchronizersForViewport(
viewport.viewportOptions.viewportId
);
const imageSync = syncStates.find(syncState => syncState.id === syncId);
return !!imageSync;
});
Iif (someViewportHasSync) {
return disableSync(syncId, servicesManager);
}
// create synchronization group and add the viewports to it.
viewports.forEach(gridViewport => {
const { viewportId } = gridViewport.viewportOptions;
const viewport = cornerstoneViewportService.getCornerstoneViewport(viewportId);
Iif (!viewport) {
return;
}
syncGroupService.addViewportToSyncGroup(viewportId, viewport.getRenderingEngine().id, {
type: 'imageSlice',
id: syncId,
source: true,
target: true,
});
});
}
function disableSync(syncName, servicesManager: AppTypes.ServicesManager) {
const { syncGroupService, viewportGridService, displaySetService, cornerstoneViewportService } =
servicesManager.services;
const viewports = getReconstructableStackViewports(viewportGridService, displaySetService);
viewports.forEach(gridViewport => {
const { viewportId } = gridViewport.viewportOptions;
const viewport = cornerstoneViewportService.getCornerstoneViewport(viewportId);
Iif (!viewport) {
return;
}
syncGroupService.removeViewportFromSyncGroup(
viewport.id,
viewport.getRenderingEngine().id,
syncName
);
});
}
/**
* Gets the consistent spacing stack viewport types, which are the ones which
* can be navigated using the stack image sync right now.
*/
function getReconstructableStackViewports(
viewportGridService: ViewportGridService,
displaySetService: DisplaySetService
) {
let { viewports } = viewportGridService.getState();
viewports = [...viewports.values()];
// filter empty viewports
viewports = viewports.filter(
viewport => viewport.displaySetInstanceUIDs && viewport.displaySetInstanceUIDs.length
);
// filter reconstructable viewports
viewports = viewports.filter(viewport => {
const { displaySetInstanceUIDs } = viewport;
for (const displaySetInstanceUID of displaySetInstanceUIDs) {
const displaySet = displaySetService.getDisplaySetByUID(displaySetInstanceUID);
// TODO - add a better test than isReconstructable
Iif (displaySet && displaySet.isReconstructable) {
return true;
}
return false;
}
});
return viewports;
}
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