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 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 | 1x 107x 107x 107x 107x 107x 224x 107x 107x 107x 107x 107x 107x 107x 107x 107x 107x 7x 100x 77x | import { eventTarget, triggerEvent } from '@cornerstonejs/core';
import { Events } from '../../enums';
import { Annotation } from '../../types';
import { AnnotationLockChangeEventDetail } from '../../types/EventTypes';
/*
* Constants
*/
const globalLockedAnnotationsSet: Set<Annotation> = new Set();
/*
* Interface (Public API)
*/
/**
* Set the "Locked" state of a given annotation instance.
*
* @triggers ANNOTATION_LOCK_CHANGE
*
* @param annotation - The annotation instance which will have
* its locked state changed. An event will only be triggered if the locked state
* of the given annotation instance changed.
* @param locked - A boolean value indicating if the instance should
* be locked (true) or not (false)
*/
function setAnnotationLocked(annotation: Annotation, locked = true): void {
const detail = makeEventDetail();
Eif (annotation) {
Iif (locked) {
lock(annotation, globalLockedAnnotationsSet, detail);
} else {
unlock(annotation, globalLockedAnnotationsSet, detail);
}
}
publish(detail, globalLockedAnnotationsSet);
}
/**
* Clears all the locked annotation
*
*/
function unlockAllAnnotations(): void {
const detail = makeEventDetail();
clearLockedAnnotationsSet(globalLockedAnnotationsSet, detail);
publish(detail, globalLockedAnnotationsSet);
}
/**
* Returns an array of all the annotation that is currently locked
* @returns An array of tool specific annotation objects.
*
*/
function getAnnotationsLocked(): Array<Annotation> {
return Array.from(globalLockedAnnotationsSet);
}
/**
* Given a Annotation object, return true if it is locked.
* @param annotation - Annotation
* @returns A boolean value.
*/
function isAnnotationLocked(annotation: Annotation): boolean {
return globalLockedAnnotationsSet.has(annotation);
}
/**
* Get the number of locked annotation objects in the global set of locked annotation
* objects.
* @returns The number of locked annotation objects.
*
*/
function getAnnotationsLockedCount(): number {
return globalLockedAnnotationsSet.size;
}
/**
* Properly initialize the isLocked on annotation, and set it as locked if
* isLocked is true.
* @param annotation - The annotation object to be checked.
*/
function checkAndDefineIsLockedProperty(annotation: Annotation): void {
Eif (annotation) {
const isLocked = !!annotation.isLocked;
Eif (shouldDefineIsLockedProperty(annotation)) {
Object.defineProperty(annotation, 'isLocked', {
configurable: false,
enumerable: true,
set: setIsLocked,
get: getIsLocked,
});
}
setAnnotationLocked(annotation, isLocked);
}
}
/*
* Private Helpers
*/
function makeEventDetail(): AnnotationLockChangeEventDetail {
return Object.freeze({
added: [],
removed: [],
locked: [],
});
}
function lock(
annotation: Annotation,
lockedAnnotationsSet: Set<Annotation>,
detail: AnnotationLockChangeEventDetail
): void {
if (!lockedAnnotationsSet.has(annotation)) {
lockedAnnotationsSet.add(annotation);
detail.added.push(annotation);
}
}
function unlock(
annotation: Annotation,
lockedAnnotationsSet: Set<Annotation>,
detail: AnnotationLockChangeEventDetail
): void {
Iif (lockedAnnotationsSet.delete(annotation)) {
detail.removed.push(annotation);
}
}
function clearLockedAnnotationsSet(
lockedAnnotationsSet: Set<Annotation>,
detail: AnnotationLockChangeEventDetail
): void {
lockedAnnotationsSet.forEach((annotation) => {
unlock(annotation, lockedAnnotationsSet, detail);
});
}
function publish(
detail: AnnotationLockChangeEventDetail,
lockedAnnotationsSet: Set<Annotation>
) {
Iif (detail.added.length > 0 || detail.removed.length > 0) {
lockedAnnotationsSet.forEach((item) => void detail.locked.push(item));
triggerEvent(eventTarget, Events.ANNOTATION_LOCK_CHANGE, detail);
}
}
function shouldDefineIsLockedProperty(annotation: Annotation): boolean {
const descriptor = Object.getOwnPropertyDescriptor(annotation, 'isLocked');
if (descriptor) {
return (
descriptor.configurable &&
(descriptor.set !== setIsLocked || descriptor.get !== getIsLocked)
);
}
return Object.isExtensible(annotation);
}
function setIsLocked(locked: boolean) {
setAnnotationLocked(this as Annotation, locked);
}
function getIsLocked() {
return isAnnotationLocked(this as Annotation);
}
/*
* Exports
*/
export {
setAnnotationLocked,
getAnnotationsLocked,
getAnnotationsLockedCount,
unlockAllAnnotations,
isAnnotationLocked,
checkAndDefineIsLockedProperty,
};
|