feature JabRef#3607 autolink redesign

- added (Auto) in front of the name of the pdf
- changed the icon for the linking action to LINK_PLUS

src/main/java/org/jabref/gui/fieldeditors/LinkedFilesEditor.java

@@ -20,7 +20,11 @@
 import javafx.scene.input.MouseButton;
 import javafx.scene.input.MouseEvent;
 import javafx.scene.input.TransferMode;
+import javafx.scene.layout.Background;
+import javafx.scene.layout.BackgroundFill;
 import javafx.scene.layout.HBox;
+import javafx.scene.paint.Color;
+import javafx.scene.paint.Paint;
 import javafx.scene.text.Text;
 
 import org.jabref.gui.DialogService;
@@ -150,9 +154,17 @@ private static Node createFileDisplay(LinkedFileViewModel linkedFile) {
         progressIndicator.progressProperty().bind(linkedFile.downloadProgressProperty());
         progressIndicator.visibleProperty().bind(linkedFile.downloadOngoingProperty());
 
+
+        Text auto = new Text();
+        auto.visibleProperty().bind(linkedFile.isAutomaticallyFoundProperty());
+        auto.managedProperty().bind(linkedFile.isAutomaticallyFoundProperty());
+        auto.setText("(Auto)");
+        auto.getStyleClass().setAll("file-row-text");
+
         HBox info = new HBox(8);
         info.setStyle("-fx-padding: 0.5em 0 0.5em 0;"); // To align with buttons below which also have 0.5em padding
-        info.getChildren().setAll(icon, link, desc, progressIndicator);
+        info.getChildren().setAll(icon, auto, link, desc, progressIndicator);
+
 
         Button acceptAutoLinkedFile = IconTheme.JabRefIcons.AUTO_LINKED_FILE.asButton();
         acceptAutoLinkedFile.setTooltip(new Tooltip(Localization.lang("This file was found automatically. Do you want to link it to this entry?")));
@@ -169,6 +181,7 @@ private static Node createFileDisplay(LinkedFileViewModel linkedFile) {
         HBox container = new HBox(10);
         container.setPrefHeight(Double.NEGATIVE_INFINITY);
 
+
         container.getChildren().addAll(info, acceptAutoLinkedFile, writeXMPMetadata);
 
         return container;

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

@@ -230,7 +230,7 @@ public enum JabRefIcons implements JabRefIcon {
         RENAME(MaterialDesignR.RENAME_BOX),
         DELETE_FILE(MaterialDesignD.DELETE_FOREVER),
         REMOVE_LINK(MaterialDesignL.LINK_OFF),
-        AUTO_LINKED_FILE(MaterialDesignB.BRIEFCASE_CHECK),
+        AUTO_LINKED_FILE(MaterialDesignL.LINK_PLUS),
         QUALITY_ASSURED(MaterialDesignC.CERTIFICATE),
         QUALITY(MaterialDesignC.CERTIFICATE),
         OPEN(MaterialDesignF.FOLDER_OUTLINE),