All files / packages/tools/src/store removeEnabledElement.ts

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import { getEnabledElement, Types } from '@cornerstonejs/core';
import {
  mouseEventListeners,
  wheelEventListener,
  touchEventListeners,
  keyEventListener,
  imageChangeEventListener,
} from '../eventListeners';
import {
  imageRenderedEventDispatcher,
  cameraModifiedEventDispatcher,
  mouseToolEventDispatcher,
  keyboardToolEventDispatcher,
  imageSpacingCalibratedEventDispatcher,
  touchToolEventDispatcher,
} from '../eventDispatchers';
// ~~
 
import filterToolsWithAnnotationsForElement from './filterToolsWithAnnotationsForElement';
import { state } from './state';
import getToolsWithModesForElement from '../utilities/getToolsWithModesForElement';
import { ToolModes } from '../enums';
import { removeAnnotation } from '../stateManagement';
import getSynchronizersForViewport from './SynchronizerManager/getSynchronizersForViewport';
import getToolGroupForViewport from './ToolGroupManager/getToolGroupForViewport';
import { annotationRenderingEngine } from '../utilities/triggerAnnotationRender';
 
const VIEWPORT_ELEMENT = 'viewport-element';
 
function removeEnabledElement(
  elementDisabledEvt: Types.EventTypes.ElementDisabledEvent
): void {
  // Is DOM element
  const { element, viewportId } = elementDisabledEvt.detail;
 
  _resetSvgNodeCache(element);
  _removeSvgNode(element);
 
  // Remove this element from the annotation rendering engine
  annotationRenderingEngine.removeViewportElement(viewportId, element);
 
  // Listeners
  mouseEventListeners.disable(element);
  wheelEventListener.disable(element);
  touchEventListeners.disable(element);
  keyEventListener.disable(element);
 
  // labelmap
  imageChangeEventListener.disable(element);
 
  // Dispatchers: renderer
  imageRenderedEventDispatcher.disable(element);
  cameraModifiedEventDispatcher.disable(element);
  imageSpacingCalibratedEventDispatcher.disable(element);
 
  // Dispatchers: interaction
  mouseToolEventDispatcher.disable(element);
  keyboardToolEventDispatcher.disable(element);
  touchToolEventDispatcher.disable(element);
 
  // State
  // @TODO: We used to "disable" the tool before removal. Should we preserve the hook that would call on tools?
  _removeViewportFromSynchronizers(element);
  _removeViewportFromToolGroup(element);
 
  // _removeAllToolsForElement(canvas)
  _removeEnabledElement(element);
}
 
const _removeViewportFromSynchronizers = (element: HTMLDivElement) => {
  const enabledElement = getEnabledElement(element);
 
  const synchronizers = getSynchronizersForViewport(
    enabledElement.viewportId,
    enabledElement.renderingEngineId
  );
  synchronizers.forEach((sync) => {
    sync.remove(enabledElement);
  });
};
 
const _removeViewportFromToolGroup = (element: HTMLDivElement) => {
  const { renderingEngineId, viewportId } = getEnabledElement(element);
 
  const toolGroup = getToolGroupForViewport(viewportId, renderingEngineId);
 
  Eif (toolGroup) {
    toolGroup.removeViewports(renderingEngineId, viewportId);
  }
};
 
const _removeAllToolsForElement = function (element) {
  const tools = getToolsWithModesForElement(element, [
    ToolModes.Active,
    ToolModes.Passive,
  ]);
 
  const toolsWithData = filterToolsWithAnnotationsForElement(element, tools);
  toolsWithData.forEach(({ annotations }) => {
    annotations.forEach((annotation) => {
      removeAnnotation(annotation.annotationUID);
    });
  });
};
 
function _resetSvgNodeCache(element: HTMLDivElement) {
  const { viewportUid: viewportId, renderingEngineUid: renderingEngineId } =
    element.dataset;
  const elementHash = `${viewportId}:${renderingEngineId}`;
 
  delete state.svgNodeCache[elementHash];
}
 
function _removeSvgNode(element: HTMLDivElement) {
  const internalViewportNode = element.querySelector(`div.${VIEWPORT_ELEMENT}`);
  const svgLayer = internalViewportNode.querySelector('svg');
  Eif (svgLayer) {
    internalViewportNode.removeChild(svgLayer);
  }
}
 
/**
 * @private
 * @param enabledElement
 */
const _removeEnabledElement = function (element: HTMLDivElement) {
  const foundElementIndex = state.enabledElements.findIndex(
    (el) => el === element
  );
 
  Eif (foundElementIndex > -1) {
    state.enabledElements.splice(foundElementIndex, 1);
  }
};
 
export default removeEnabledElement;