fixed 'copy key and link'

AUTHORS

@@ -279,6 +279,7 @@ Nikita Borovikov
 Niklas Schmitt
 nikmilpv
 NikodemKch
+Nikolaus Koopmann
 Nils Streijffert
 Niv Ierushalmi
 Nivedha Sunderraj

CHANGELOG.md

@@ -34,6 +34,7 @@ Note that this project **does not** adhere to [Semantic Versioning](http://semve
 - We fixed an issue where the `.sav` file was not deleted upon exiting JabRef. [#6109](https://github.com/JabRef/jabref/issues/6109)
 - We fixed a linked identifier icon inconsistency. [#6705](https://github.com/JabRef/jabref/issues/6705)
 - We fixed the wrong behavior that font size changes are not reflected in dialogs. [#6039](https://github.com/JabRef/jabref/issues/6039)
+- We fixed the failure to Copy citation key and link. [#5835](https://github.com/JabRef/jabref/issues/5835)
 - We fixed an issue where the sort order of the entry table was reset after a restart of JabRef. [#6898](https://github.com/JabRef/jabref/pull/6898)
 - We fixed an issue where no longer a warning was displayed when inserting references into LibreOffice with an invalid "ReferenceParagraphFormat". [#6907](https://github.com/JabRef/jabref/pull/60907).
 

src/main/java/org/jabref/gui/ClipBoardManager.java

@@ -73,7 +73,7 @@ public static void addX11Support(TextInputControl input) {
                 // using InvalidationListener because of https://bugs.openjdk.java.net/browse/JDK-8176270
                 observable -> Platform.runLater(() -> {
                     String newValue = input.getSelectedText();
-                    if (!newValue.isEmpty() && primary != null) {
+                    if (!newValue.isEmpty() && (primary != null)) {
                         primary.setContents(new StringSelection(newValue), null);
                     }
                 }));
@@ -105,7 +105,7 @@ public static String getContents() {
     public static String getContentsPrimary() {
         if (primary != null) {
             Transferable contents = primary.getContents(null);
-            if (contents != null && contents.isDataFlavorSupported(DataFlavor.stringFlavor)) {
+            if ((contents != null) && contents.isDataFlavorSupported(DataFlavor.stringFlavor)) {
                 try {
                     return (String) contents.getTransferData(DataFlavor.stringFlavor);
                 } catch (UnsupportedFlavorException | IOException e) {
@@ -137,9 +137,10 @@ public void setPrimaryClipboardContent(ClipboardContent content) {
         }
     }
 
-    public void setHtmlContent(String html) {
+    public void setHtmlContent(String html, String fallbackPlain) {
         final ClipboardContent content = new ClipboardContent();
         content.putHtml(html);
+        content.putString(fallbackPlain);
         clipboard.setContent(content);
         setPrimaryClipboardContent(content);
     }
@@ -181,7 +182,7 @@ private List<BibEntry> handleBibTeXData(String entries) {
     }
 
     private List<BibEntry> handleStringData(String data) {
-        if (data == null || data.isEmpty()) {
+        if ((data == null) || data.isEmpty()) {
             return Collections.emptyList();
         }
 

src/main/java/org/jabref/gui/edit/CopyMoreAction.java

@@ -207,6 +207,7 @@ private void copyKeyAndLink() {
         List<BibEntry> entries = stateManager.getSelectedEntries();
 
         StringBuilder keyAndLink = new StringBuilder();
+        StringBuilder fallbackString = new StringBuilder();
 
         List<BibEntry> entriesWithKey = entries.stream()
                                                .filter(BibEntry::hasCitationKey)
@@ -222,9 +223,11 @@ private void copyKeyAndLink() {
             String url = entry.getField(StandardField.URL).orElse("");
             keyAndLink.append(url.isEmpty() ? key : String.format("<a href=\"%s\">%s</a>", url, key));
             keyAndLink.append(OS.NEWLINE);
+            fallbackString.append(url.isEmpty() ? key : String.format("%s - %s", key, url));
+            fallbackString.append(OS.NEWLINE);
         }
 
-        clipBoardManager.setHtmlContent(keyAndLink.toString());
+        clipBoardManager.setHtmlContent(keyAndLink.toString(), fallbackString.toString());
 
         if (entriesWithKey.size() == entries.size()) {
             // All entries had keys.