feat:Allowed multiple delimiter in keyword separator field.

jabgui/src/main/java/org/jabref/gui/preferences/entry/EntryTab.java

@@ -1,7 +1,5 @@
 package org.jabref.gui.preferences.entry;
 
-import java.util.function.UnaryOperator;
-
 import javafx.css.PseudoClass;
 import javafx.fxml.FXML;
 import javafx.scene.Node;
@@ -10,7 +8,6 @@
 import javafx.scene.control.ContentDisplay;
 import javafx.scene.control.Label;
 import javafx.scene.control.TextField;
-import javafx.scene.control.TextFormatter;
 import javafx.scene.input.KeyCode;
 
 import org.jabref.gui.actions.ActionFactory;
@@ -57,15 +54,15 @@ public void initialize() {
         keywordSeparator.textProperty().bindBidirectional(viewModel.keywordSeparatorProperty());
 
         // Use TextFormatter to limit the length of the Input of keywordSeparator to 1 character only.
-        UnaryOperator<TextFormatter.Change> singleCharacterFilter = change -> {
-            if (change.getControlNewText().length() <= 1) {
-                return change;
-            }
-            return null; // null means the change is rejected
-        };
-        TextFormatter<String> formatter = new TextFormatter<>(singleCharacterFilter);
-
-        keywordSeparator.setTextFormatter(formatter);
+//        UnaryOperator<TextFormatter.Change> singleCharacterFilter = change -> {
+//            if (change.getControlNewText().length() <= 1) {
+//                return change;
+//            }
+//            return null; // null means the change is rejected
+//        };
+//        TextFormatter<String> formatter = new TextFormatter<>(singleCharacterFilter);
+
+//        keywordSeparator.setTextFormatter(formatter);
 
         resolveStrings.selectedProperty().bindBidirectional(viewModel.resolveStringsProperty());
 

jablib/src/main/java/org/jabref/model/entry/KeywordList.java

@@ -62,6 +62,27 @@ public static KeywordList parse(String keywordString, Character delimiter, Chara
         return keywordList;
     }
 
+    public static KeywordList parseMultipleDelimiter(String keywordString, String delimiter, Character hierarchicalDelimiter) {
+        if (StringUtil.isBlank(keywordString)) {
+            return new KeywordList();
+        }
+
+        Objects.requireNonNull(delimiter);
+        Objects.requireNonNull(hierarchicalDelimiter);
+
+        KeywordList keywordList = new KeywordList();
+        for (char d:delimiter.toCharArray()) {
+            keywordString = keywordString.replace(d, ',');
+        }
+        StringTokenizer tok = new StringTokenizer(keywordString, ",");
+        while (tok.hasMoreTokens()) {
+            String chain = tok.nextToken();
+            Keyword chainRoot = Keyword.of(chain.split(hierarchicalDelimiter.toString()));
+            keywordList.add(chainRoot);
+        }
+        return keywordList;
+    }
+
     /**
      * Parses the keyword list and uses {@link Keyword#DEFAULT_HIERARCHICAL_DELIMITER} as hierarchical delimiter.
      *
@@ -73,6 +94,10 @@ public static KeywordList parse(String keywordString, Character delimiter) {
         return parse(keywordString, delimiter, Keyword.DEFAULT_HIERARCHICAL_DELIMITER);
     }
 
+    public static KeywordList parseMultipleDelimeter(String keywordString, String delimiter) {
+        return parseMultipleDelimiter(keywordString, delimiter, Keyword.DEFAULT_HIERARCHICAL_DELIMITER);
+    }
+
     public static String serialize(List<Keyword> keywords, Character delimiter) {
         return keywords.stream().map(Keyword::get).collect(Collectors.joining(delimiter.toString()));
     }

jablib/src/test/java/org/jabref/model/entry/KeywordListTest.java

@@ -115,4 +115,10 @@ void mergeTwoDistinctKeywordsShouldReturnTheTwoKeywordsMerged() {
     void mergeTwoListsOfKeywordsShouldReturnTheKeywordsMerged() {
         assertEquals(new KeywordList("Figma", "Adobe", "JabRef", "Eclipse", "JetBrains"), KeywordList.merge("Figma, Adobe, JetBrains, Eclipse", "Adobe, JabRef", ','));
     }
+
+    @Test
+    void parseMultipleDelimiter() {
+        assertEquals(new KeywordList("keywordOne", "keywordTwo", "keywordThree"),
+                KeywordList.parseMultipleDelimeter("keywordOne; keywordTwo: keywordThree", ";:"));
+    }
 }