From 50b7e77da0ddfd7e9355c49f3c5145b66b733f62 Mon Sep 17 00:00:00 2001
From: Martin Ledvinka <martin.ledvinka@fel.cvut.cz>
Date: Mon, 9 Dec 2024 14:53:55 +0100
Subject: [PATCH] [Enhancement #587] Use backend to generated new occurrence
 selectors.

---
 .../annotator/AnnotationDomHelper.ts          | 33 -------------------
 src/component/annotator/AnnotatorUtil.ts      |  9 +++--
 .../__tests__/AnnotationDomHelper.test.tsx    | 17 ----------
 src/model/TermOccurrence.ts                   |  3 ++
 4 files changed, 9 insertions(+), 53 deletions(-)

diff --git a/src/component/annotator/AnnotationDomHelper.ts b/src/component/annotator/AnnotationDomHelper.ts
index 040dfe48d..f36936547 100644
--- a/src/component/annotator/AnnotationDomHelper.ts
+++ b/src/component/annotator/AnnotationDomHelper.ts
@@ -8,7 +8,6 @@ import {
 import VocabularyUtils from "../../util/VocabularyUtils";
 import HtmlParserUtils from "./HtmlParserUtils";
 import HtmlDomUtils from "./HtmlDomUtils";
-import { TextQuoteSelector } from "../../model/TermOccurrence";
 import Utils from "../../util/Utils";
 
 export const AnnotationType = {
@@ -16,8 +15,6 @@ export const AnnotationType = {
   DEFINITION: VocabularyUtils.DEFINITION,
 };
 
-export const SELECTOR_CONTEXT_LENGTH = 32;
-
 function toHtmlString(nodeList: NodeList): string {
   let result = "";
   for (let i = 0; i < nodeList.length; i++) {
@@ -120,13 +117,6 @@ const AnnotationDomHelper = {
     };
   },
 
-  replaceAnnotation(
-    oldAnnotation: DomHandlerNode,
-    newAnnotation: DomHandlerNode
-  ): void {
-    DomUtils.replaceElement(oldAnnotation, newAnnotation);
-  },
-
   createNewAnnotation(
     about: string,
     nodeList: NodeList,
@@ -159,29 +149,6 @@ const AnnotationDomHelper = {
     }
     return score <= Number(node.attribs.score);
   },
-
-  generateSelector(node: DomHandlerNode): TextQuoteSelector {
-    let prefix = undefined;
-    let suffix = undefined;
-    if (node.previousSibling) {
-      prefix = HtmlDomUtils.getTextContent(node.previousSibling);
-      if (prefix.length > SELECTOR_CONTEXT_LENGTH) {
-        prefix = prefix.substring(prefix.length - SELECTOR_CONTEXT_LENGTH);
-      }
-    }
-    if (node.nextSibling) {
-      suffix = HtmlDomUtils.getTextContent(node.nextSibling);
-      if (suffix.length > SELECTOR_CONTEXT_LENGTH) {
-        suffix = suffix.substring(0, SELECTOR_CONTEXT_LENGTH);
-      }
-    }
-    return {
-      exactMatch: HtmlDomUtils.getTextContent(node),
-      prefix,
-      suffix,
-      types: [VocabularyUtils.TEXT_QUOTE_SELECTOR],
-    };
-  },
 };
 
 export default AnnotationDomHelper;
diff --git a/src/component/annotator/AnnotatorUtil.ts b/src/component/annotator/AnnotatorUtil.ts
index 4afc92564..ded077e9b 100644
--- a/src/component/annotator/AnnotatorUtil.ts
+++ b/src/component/annotator/AnnotatorUtil.ts
@@ -3,7 +3,6 @@ import VocabularyUtils, { IRI, IRIImpl } from "../../util/VocabularyUtils";
 import JsonLdUtils from "../../util/JsonLdUtils";
 import Term from "../../model/Term";
 import TermOccurrence from "../../model/TermOccurrence";
-import AnnotationDomHelper from "./AnnotationDomHelper";
 
 const OCCURRENCE_SEPARATOR = "/occurrences";
 
@@ -22,7 +21,7 @@ export function createTermOccurrence(
   annotationElement: Element,
   fileIri: IRI
 ) {
-  return new TermOccurrence({
+  const to = new TermOccurrence({
     iri: annotationIdToTermOccurrenceIri(
       annotationElement.attribs.about,
       fileIri
@@ -32,9 +31,13 @@ export function createTermOccurrence(
       source: {
         iri: fileIri.namespace + fileIri.fragment,
       },
-      selectors: [AnnotationDomHelper.generateSelector(annotationElement)],
+      selectors: [],
       types: [VocabularyUtils.FILE_OCCURRENCE_TARGET],
     },
     types: [],
   });
+  to.elementAbout = annotationElement.attribs.about.substring(
+    JsonLdUtils.BNODE_PREFIX.length
+  );
+  return to;
 }
diff --git a/src/component/annotator/__tests__/AnnotationDomHelper.test.tsx b/src/component/annotator/__tests__/AnnotationDomHelper.test.tsx
index 940c7fbc0..53b5290f2 100644
--- a/src/component/annotator/__tests__/AnnotationDomHelper.test.tsx
+++ b/src/component/annotator/__tests__/AnnotationDomHelper.test.tsx
@@ -290,21 +290,4 @@ describe("AnnotationDomHelper", () => {
       );
     });
   });
-
-  describe("generateSelector", () => {
-    it("creates TextQuoteSelector from text content of the specified node", () => {
-      const selector = sut.generateSelector(annotationSpan);
-      expect(selector).toBeDefined();
-      expect(selector.exactMatch).toEqual(
-        (annotationSpan.children![0] as DataNode).data
-      );
-    });
-
-    it("uses previous and next siblings to provide selector prefix and suffix", () => {
-      const selector = sut.generateSelector(annotationSpan);
-      expect(selector).toBeDefined();
-      expect(selector.prefix).toEqual("First paragraph.\n        ");
-      expect(selector.suffix).toEqual("\n    ");
-    });
-  });
 });
diff --git a/src/model/TermOccurrence.ts b/src/model/TermOccurrence.ts
index b11b742ac..fe4f42020 100644
--- a/src/model/TermOccurrence.ts
+++ b/src/model/TermOccurrence.ts
@@ -15,6 +15,7 @@ const textQuoteSelectorCtx = {
   exactMatch: VocabularyUtils.NS_TERMIT + "má-přesný-text-quote",
   prefix: VocabularyUtils.NS_TERMIT + "má-prefix-text-quote",
   suffix: VocabularyUtils.NS_TERMIT + "má-suffix-text-quote",
+  elementAbout: VocabularyUtils.DC_IDENTIFIER,
 };
 
 /**
@@ -56,6 +57,8 @@ export interface TermOccurrenceData extends TermAssignmentData {
 export default class TermOccurrence extends TermAssignment {
   public target: OccurrenceTarget;
 
+  public elementAbout?: string;
+
   constructor(data: TermOccurrenceData) {
     super(data);
     this.target = data.target;