mouseEventHandlers mouseDownActivate.ts

70% Statements 7/10

62.5% Branches 5/8

100% Functions 1/1

70% Lines 7/10

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  import { state } from '../../store/state';
import getActiveToolForMouseEvent from '../shared/getActiveToolForMouseEvent';
import { setAnnotationSelected } from '../../stateManagement/annotation/annotationSelection';
import type { EventTypes } from '../../types';
 
/**
 * If the `mouseDown` handler does not consume an event,
 * activate the creation loop of the active tool, if one is found for the
 * mouse button pressed.
 *
 * @param evt - The normalized mouseDown event.
 */
export default function mouseDownActivate(
  evt: EventTypes.MouseDownActivateEventType
) {
  // If a tool has locked the current state it is dealing with an interaction within its own eventLoop.
  Iif (state.isInteractingWithTool) {
    return;
  }
 
  const activeTool = getActiveToolForMouseEvent(evt);
 
  Iif (!activeTool) {
    return;
  }
 
  Iif (state.isMultiPartToolActive) {
    return;
  }
 
  if (activeTool.addNewAnnotation) {
    const annotation = activeTool.addNewAnnotation(evt, 'mouse');
    setAnnotationSelected(annotation.annotationUID);
  }
}