import { getRoot, isAlive, types } from "mobx-state-tree";
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import Types from "../core/Types";
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import { FF_DEV_3391, FF_SIMPLE_INIT, isFF } from "../utils/feature-flags";
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export const AnnotationMixin = types.model("AnnotationMixin", {}).views((self) => ({
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get annotation() {
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// annotation should not be accessed before store is initialized
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if (isFF(FF_SIMPLE_INIT) && !window.STORE_INIT_OK) {
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console.error("LSF: annotation accessed before store is initialized", self);
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}
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if (!isAlive(self)) return null;
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if (isFF(FF_DEV_3391)) {
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const root = getRoot(self);
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// if that's a Tool (they live in separate tree)
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if (root === self) {
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if (self.control) {
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return self.control.annotation;
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}
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if (self.obj) {
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return self.obj.annotation;
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}
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return null;
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}
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// if annotation history item selected
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if (root.annotationStore?.selectedHistory) {
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return root.annotationStore.selectedHistory;
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}
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// return connected annotation, not the globally selected one
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return Types.getParentOfTypeString(self, "Annotation");
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}
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const as = self.annotationStore;
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return as?.selectedHistory ?? as?.selected;
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},
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get annotationOrHistoryItem() {
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return Types.getParentOfTypeString(self, "Annotation") ?? Types.getParentOfTypeString(self, "HistoryItem");
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},
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get annotationStore() {
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const root = getRoot(self);
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if (root === self) {
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if (self.control) {
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return getRoot(self.control).annotationStore;
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}
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if (self.obj) {
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return getRoot(self.obj).annotationStore;
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}
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return null;
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}
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return root.annotationStore;
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},
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}));
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