Fix/12351 area of preview hover

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

@@ -2,6 +2,7 @@
 
 import javafx.scene.control.Label;
 import javafx.scene.control.Tooltip;
+import javafx.scene.layout.Region;
 import javafx.scene.layout.VBox;
 import javafx.util.Duration;
 
@@ -17,26 +18,51 @@ public class MainTableTooltip extends Tooltip {
 
     private final PreviewViewer preview;
     private final GuiPreferences preferences;
-    private final VBox tooltipContent = new VBox();
-    private final Label fieldValueLabel = new Label();
+    private final VBox tooltipContent = new VBox(); // A vertical box to hold the tooltip content
+    private final Label fieldValueLabel = new Label(); // Label to show field value
 
     public MainTableTooltip(DialogService dialogService, GuiPreferences preferences, ThemeManager themeManager, TaskExecutor taskExecutor) {
         this.preferences = preferences;
         this.preview = new PreviewViewer(dialogService, preferences, themeManager, taskExecutor);
-        this.setShowDelay(Duration.seconds(1));
+
+        this.setShowDelay(Duration.millis(100)); // 100ms delay
+        this.setHideDelay(Duration.millis(500)); // Slight delay before hiding
+
+        // Add the field value label and preview area to the tooltip content
         this.tooltipContent.getChildren().addAll(fieldValueLabel, preview);
+
+        // Add some basic styling to the tooltip
+        tooltipContent.setStyle("-fx-padding: 10; -fx-background-color: white; -fx-border-color: gray; -fx-border-radius: 5;");
     }
 
     public Tooltip createTooltip(BibDatabaseContext databaseContext, BibEntry entry, String fieldValue) {
+        // Set the text for the field value label
         fieldValueLabel.setText(fieldValue + "\n");
+
+        // Make sure the text wraps if it's too long
+        fieldValueLabel.setWrapText(true);
+        fieldValueLabel.setMaxWidth(400); // Set a limit for how wide the text can be
+
+        // Automatically size the tooltip content based on what's inside
+        tooltipContent.setPrefSize(Region.USE_COMPUTED_SIZE, Region.USE_COMPUTED_SIZE);
+        tooltipContent.setMaxWidth(500); // Prevent the tooltip from being too wide
+        tooltipContent.setMaxHeight(400); // Prevent the tooltip from being too tall
+
+        // If the user has enabled preview in the preferences
         if (preferences.getPreviewPreferences().shouldShowPreviewEntryTableTooltip()) {
+            // Set up the preview
             preview.setLayout(preferences.getPreviewPreferences().getSelectedPreviewLayout());
             preview.setDatabaseContext(databaseContext);
             preview.setEntry(entry);
+
+            // Show both the field value and the preview
             this.setGraphic(tooltipContent);
         } else {
+            // If preview is disabled, only show the field value
             this.setGraphic(fieldValueLabel);
         }
-        return this;
+
+        return this; // Return the tooltip object
     }
 }
+

src/main/java/org/jabref/logic/integrity/AbbreviationChecker.java

@@ -29,5 +29,4 @@ public List<IntegrityMessage> check(BibEntry entry) {
                  .ifPresent(val -> messages.add(new IntegrityMessage(Localization.lang("abbreviation detected"), entry, field)));
         }
         return messages;
-    }
-}
+    }}