Fixes JabRef#6705 , added icon for multiple identifiers

and modified behaviour to open eprint when clicked without opening menu

Added change log

Changed name for enum

Author: hemantgs

CHANGELOG.md

@@ -1,3 +1,4 @@
+
 # Changelog
 
 All notable changes to this project will be documented in this file.
@@ -108,7 +109,7 @@ Note that this project **does not** adhere to [Semantic Versioning](http://semve
 - We fixed an issue with the Science Direct fetcher where PDFs could not be downloaded. Fixes [#5860](https://github.com/JabRef/jabref/issues/5860)
 - We fixed an issue with the Library of Congress importer.
 - We fixed the [link to the external libraries listing](https://github.com/JabRef/jabref/blob/master/external-libraries.md) in the about dialog
-
+- We fixed linked identifier icon inconsistency[#6705](https://github.com/JabRef/jabref/issues/6705)
 ### Removed
 
 - We removed the option of the "enforce legal key". [#6295](https://github.com/JabRef/jabref/issues/6295)

src/main/java/org/jabref/gui/icon/IconTheme.java

@@ -300,7 +300,9 @@ public enum JabRefIcons implements JabRefIcon {
         REMOVE_ABBREVIATION(MaterialDesignIcon.PLAYLIST_MINUS),
         NEW_ENTRY_FROM_PLAIN_TEXT(MaterialDesignIcon.PLUS_BOX),
         REMOTE_DATABASE(MaterialDesignIcon.DATABASE),
-        HOME(MaterialDesignIcon.HOME);
+        HOME(MaterialDesignIcon.HOME),
+        DATABASE(MaterialDesignIcon.DATABASE),
+        DATABASE_PLUS(MaterialDesignIcon.DATABASE_PLUS);
 
         private final JabRefIcon icon;
 

src/main/java/org/jabref/gui/maintable/CellFactory.java

@@ -27,10 +27,14 @@ public CellFactory(ExternalFileTypes externalFileTypes, UndoManager undoManager)
         // icon.setToo(Localization.lang("Open") + " PDF");
         TABLE_ICONS.put(StandardField.PDF, icon);
 
-        icon = IconTheme.JabRefIcons.WWW;
+        icon = IconTheme.JabRefIcons.DATABASE;
         // icon.setToolTipText(Localization.lang("Open") + " URL");
         TABLE_ICONS.put(StandardField.URL, icon);
 
+        icon = IconTheme.JabRefIcons.DATABASE_PLUS;
+        // icon.setToolTipText(Localization.lang("Open") + " URL");
+        TABLE_ICONS.put(StandardField.URLS, icon);
+
         icon = IconTheme.JabRefIcons.WWW;
         // icon.setToolTipText(Localization.lang("Open") + " CiteSeer URL");
         TABLE_ICONS.put(new UnknownField("citeseerurl"), icon);
@@ -94,6 +98,7 @@ public CellFactory(ExternalFileTypes externalFileTypes, UndoManager undoManager)
         icon = printedViewModel.getIcon();
         // icon.setToolTipText(printedViewModel.getLocalization());
         TABLE_ICONS.put(SpecialField.PRINTED, icon);
+
     }
 
     public Node getTableIcon(Field field) {

src/main/java/org/jabref/gui/maintable/columns/LinkedIdentifierColumn.java

@@ -7,6 +7,7 @@
 import javafx.scene.control.ContextMenu;
 import javafx.scene.control.MenuItem;
 import javafx.scene.control.Tooltip;
+import javafx.scene.input.MouseButton;
 
 import org.jabref.gui.DialogService;
 import org.jabref.gui.desktop.JabRefDesktop;
@@ -49,17 +50,31 @@ public LinkedIdentifierColumn(MainTableColumnModel model,
         this.setResizable(false);
         this.setCellValueFactory(cellData -> cellData.getValue().getLinkedIdentifiers());
         new ValueTableCellFactory<BibEntryTableViewModel, Map<Field, String>>()
-                .withGraphic(this::createIdentifierGraphic)
+                .withGraphic(values -> createIdentifierGraphic(values))
                 .withTooltip(this::createIdentifierTooltip)
                 .withMenu(this::createIdentifierMenu)
+                .withOnMouseClickedEvent((entry, linkedFiles) -> event -> {
+                    if ((event.getButton() == MouseButton.PRIMARY) && (linkedFiles.size() == 1)) {
+                        // Open linked identifier directly only if 1 entry is preset
+                        try {
+                            for(Field field:linkedFiles.keySet()){
+                                JabRefDesktop.openExternalViewer(database, linkedFiles.get(field), field);
+                            }
+                        } catch (IOException e) {
+                            dialogService.showErrorDialogAndWait(Localization.lang("Unable to open link."), e);
+                        }
+                    }
+                })
                 .install(this);
     }
 
     private Node createIdentifierGraphic(Map<Field, String> values) {
-        if (values.isEmpty()) {
-            return null;
-        } else {
+        if (values.size() > 1) {
+            return cellFactory.getTableIcon(StandardField.URLS);
+        } else if (values.size() == 1) {
             return cellFactory.getTableIcon(StandardField.URL);
+        } else {
+            return null;
         }
     }
 
@@ -72,6 +87,10 @@ private String createIdentifierTooltip(Map<Field, String> values) {
     private ContextMenu createIdentifierMenu(BibEntryTableViewModel entry, Map<Field, String> values) {
         ContextMenu contextMenu = new ContextMenu();
 
+        if (values.size() <= 1) {
+            return null;
+        }
+
         values.keySet().forEach(field -> {
             MenuItem menuItem = new MenuItem(field.getDisplayName() + ": " +
                     ControlHelper.truncateString(values.get(field), -1, "...", ControlHelper.EllipsisPosition.CENTER),

src/main/java/org/jabref/model/entry/field/StandardField.java

@@ -123,6 +123,7 @@ public enum StandardField implements Field {
     TYPE("type", FieldProperty.TYPE),
     URI("uri", "URI"),
     URL("url", "URL", FieldProperty.EXTERNAL, FieldProperty.VERBATIM),
+    URLS("urls", "URLS",FieldProperty.VERBATIM),
     URLDATE("urldate", FieldProperty.DATE),
     VENUE("venue"),
     VERSION("version"),