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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 | 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 2x 2x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x | import { BaseTool } from './base';
import { EventTypes, PublicToolProps, ToolProps } from '../types';
import { ToolGroupManager } from '../store';
import {
getAnnotations,
removeAnnotation,
} from '../stateManagement/annotation/annotationState';
import { setAnnotationSelected } from '../stateManagement/annotation/annotationSelection';
class AnnotationEraserTool extends BaseTool {
static toolName;
constructor(
toolProps: PublicToolProps = {},
defaultToolProps: ToolProps = {
supportedInteractionTypes: ['Mouse', 'Touch'],
}
) {
super(toolProps, defaultToolProps);
}
preMouseDownCallback = (evt: EventTypes.InteractionEventType): boolean => {
return this._deleteNearbyAnnotations(evt, 'mouse');
};
preTouchStartCallback = (evt: EventTypes.InteractionEventType): boolean => {
return this._deleteNearbyAnnotations(evt, 'touch');
};
_deleteNearbyAnnotations(
evt: EventTypes.InteractionEventType,
interactionType: string
): boolean {
const { renderingEngineId, viewportId, element, currentPoints } =
evt.detail;
const toolGroup = ToolGroupManager.getToolGroupForViewport(
viewportId,
renderingEngineId
);
Iif (!toolGroup) {
return false;
}
const tools = toolGroup._toolInstances;
const annotationsToRemove = [];
for (const toolName in tools) {
const toolInstance = tools[toolName];
if (
typeof toolInstance.isPointNearTool !== 'function' ||
typeof toolInstance.filterInteractableAnnotationsForElement !==
'function'
) {
continue;
}
const annotations = getAnnotations(toolName, element);
Iif (!annotations) {
continue;
}
const interactableAnnotations =
toolInstance.filterInteractableAnnotationsForElement(
element,
annotations
) || [];
for (const annotation of interactableAnnotations) {
Eif (
toolInstance.isPointNearTool(
element,
annotation,
currentPoints.canvas,
10,
interactionType
)
) {
annotationsToRemove.push(annotation.annotationUID);
}
}
}
for (const annotationUID of annotationsToRemove) {
setAnnotationSelected(annotationUID);
removeAnnotation(annotationUID);
}
evt.preventDefault();
return true;
}
}
AnnotationEraserTool.toolName = 'Eraser';
export default AnnotationEraserTool;
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