(still buggy)show unseen status and improve next unseen action; reset changes that broke regrouping

ImageGallery/src/org/sleuthkit/autopsy/imagegallery/actions/NextUnseenGroup.java

@@ -19,8 +19,8 @@
 package org.sleuthkit.autopsy.imagegallery.actions;
 
 import java.util.Optional;
-import javafx.beans.binding.Bindings;
+import javafx.beans.Observable;
-import javafx.beans.property.ReadOnlyObjectProperty;
+import javafx.beans.binding.ObjectExpression;
 import javafx.event.ActionEvent;
 import javafx.scene.image.ImageView;
 import org.controlsfx.control.action.Action;
@@ -38,17 +38,36 @@ public class NextUnseenGroup extends Action {
         super("Next Unseen group");
         this.controller = controller;
         setGraphic(new ImageView("/org/sleuthkit/autopsy/imagegallery/images/control-double.png"));
-        disabledProperty().bind(Bindings.isEmpty(controller.getGroupManager().getUnSeenGroups()));
+        
+        controller.getGroupManager().getUnSeenGroups().addListener((Observable observable) -> {
+            updateDisabledStatus();
+        });
         
         setEventHandler((ActionEvent t) -> {
             Optional.ofNullable(controller.viewState())
-                    .map((ReadOnlyObjectProperty<GroupViewState> t1) -> t1.get())
+                    .map(ObjectExpression<GroupViewState>::getValue)
                     .map(GroupViewState::getGroup)
                     .ifPresent(controller.getGroupManager()::markGroupSeen);
             
-            if (controller.getGroupManager().getUnSeenGroups().isEmpty() == false) {
+            if (controller.getGroupManager().getUnSeenGroups().size() <= 1) {
+                setText("Mark Group Seen");
+                setGraphic(new ImageView("/org/sleuthkit/autopsy/imagegallery/images/control-stop.png"));
+                if (!controller.getGroupManager().getUnSeenGroups().isEmpty()) {
+                    controller.advance(GroupViewState.tile(controller.getGroupManager().getUnSeenGroups().get(0)));
+                }
+            } else {
+                setText("Next Unseen group");
+                setGraphic(new ImageView("/org/sleuthkit/autopsy/imagegallery/images/control-double.png"));
+                setDisabled(false);
                 controller.advance(GroupViewState.tile(controller.getGroupManager().getUnSeenGroups().get(0)));
             }
+            updateDisabledStatus();
         });
+        
+        updateDisabledStatus();
+    }
+    
+    private void updateDisabledStatus() {
+        disabledProperty().set(controller.getGroupManager().getUnSeenGroups().isEmpty());
     }
 }

ImageGallery/src/org/sleuthkit/autopsy/imagegallery/grouping/DrawableGroup.java

@@ -21,6 +21,7 @@ package org.sleuthkit.autopsy.imagegallery.grouping;
 import java.util.List;
 import java.util.Objects;
 import java.util.logging.Level;
+import javafx.beans.property.ReadOnlyBooleanWrapper;
 import javafx.collections.FXCollections;
 import javafx.collections.ObservableList;
 import org.sleuthkit.autopsy.coreutils.Logger;
@@ -35,7 +36,6 @@ public class DrawableGroup implements Comparable<DrawableGroup> {
 
     private static final Logger LOGGER = Logger.getLogger(DrawableGroup.class.getName());
 
-
     public static String getBlankGroupName() {
         return "unknown";
     }
@@ -44,6 +44,7 @@ public class DrawableGroup implements Comparable<DrawableGroup> {
 
     //cache the number of files in this groups with hashset hits
     private int hashSetHitsCount = -1;
+    private final ReadOnlyBooleanWrapper seen = new ReadOnlyBooleanWrapper(false);
 
     synchronized public ObservableList<Long> fileIds() {
         return fileIDs;
@@ -148,4 +149,16 @@ public class DrawableGroup implements Comparable<DrawableGroup> {
     public int compareTo(DrawableGroup other) {
         return this.groupKey.getValueDisplayName().compareTo(other.groupKey.getValueDisplayName());
     }
+
+    void setSeen() {
+        this.seen.set(true);
+    }
+
+    public ReadOnlyBooleanWrapper seenProperty() {
+        return seen;
+    }
+
+    public boolean isSeen() {
+        return seen.get();
+    }
 }

ImageGallery/src/org/sleuthkit/autopsy/imagegallery/grouping/GroupManager.java

@@ -81,18 +81,27 @@ public class GroupManager implements FileUpdateEvent.FileUpdateListener {
 
     /**
      * map from {@link GroupKey}s to {@link  DrawableGroup}s. All groups (even
-     * not fully analyzed or not visible groups) could be in this map
+     * not
+     * fully analyzed or not visible groups could be in this map
      */
     private final Map<GroupKey<?>, DrawableGroup> groupMap = new HashMap<>();
 
-    /** list of all analyzed groups */
+    /**
+     * list of all analyzed groups
+     */
     @ThreadConfined(type = ThreadType.JFX)
     private final ObservableList<DrawableGroup> analyzedGroups = FXCollections.observableArrayList();
 
-    /** list of unseen groups */
+    private final ObservableList<DrawableGroup> publicAnalyzedGroupsWrapper = FXCollections.unmodifiableObservableList(analyzedGroups);
+    /**
+     * list of unseen groups
+     */
     @ThreadConfined(type = ThreadType.JFX)
     private final ObservableList<DrawableGroup> unSeenGroups = FXCollections.observableArrayList();
 
+//    private final SortedList<Grouping> sortedUnSeenGroups = new SortedList<>(unSeenGroups);
+    private final ObservableList<DrawableGroup> publicSortedUnseenGroupsWrapper = FXCollections.unmodifiableObservableList(unSeenGroups);
+
     private ReGroupTask<?> groupByTask;
 
     /* --- current grouping/sorting attributes --- */
@@ -101,7 +110,7 @@ public class GroupManager implements FileUpdateEvent.FileUpdateListener {
     private volatile DrawableAttribute<?> groupBy = DrawableAttribute.PATH;
 
     private volatile SortOrder sortOrder = SortOrder.ASCENDING;
-    private final ReadOnlyDoubleWrapper regroupProgress = new ReadOnlyDoubleWrapper();
+    private ReadOnlyDoubleWrapper regroupProgress = new ReadOnlyDoubleWrapper();
 
     public void setDB(DrawableDB db) {
         this.db = db;
@@ -110,13 +119,12 @@ public class GroupManager implements FileUpdateEvent.FileUpdateListener {
     }
 
     public ObservableList<DrawableGroup> getAnalyzedGroups() {
-        return FXCollections.unmodifiableObservableList(analyzedGroups);
+        return publicAnalyzedGroupsWrapper;
     }
 
     @ThreadConfined(type = ThreadType.JFX)
     public ObservableList<DrawableGroup> getUnSeenGroups() {
-        return FXCollections.unmodifiableObservableList(unSeenGroups);
+        return publicSortedUnseenGroupsWrapper;
-
     }
 
     /**
@@ -253,7 +261,9 @@ public class GroupManager implements FileUpdateEvent.FileUpdateListener {
      * @param group the {@link  DrawableGroup} to mark as seen
      */
     public void markGroupSeen(DrawableGroup group) {
+
         db.markGroupSeen(group.getGroupKey());
+        group.setSeen();
         synchronized (unSeenGroups) {
             unSeenGroups.remove(group);
         }

ImageGallery/src/org/sleuthkit/autopsy/imagegallery/gui/navpanel/GroupTreeCell.java

@@ -50,7 +50,8 @@ class GroupTreeCell extends TreeCell<TreeNode> {
      * reference to listener that allows us to remove it from a group when a new
      * group is assigned to this Cell
      */
-    private InvalidationListener listener;
+    private InvalidationListener fileListener;
+    private InvalidationListener seenListener;
 
     public GroupTreeCell() {
         //TODO: move this to .css file
@@ -70,8 +71,9 @@ class GroupTreeCell extends TreeCell<TreeNode> {
         if (Objects.nonNull(listener)) {
             Optional.ofNullable(getItem())
                     .map(TreeNode::getGroup)
-                    .ifPresent((DrawableGroup t) -> {
+                .ifPresent(group -> {
-                        t.fileIds().removeListener(listener);
+                    group.fileIds().removeListener(fileListener);
+                    group.seenProperty().removeListener(seenListener);
                     });
         }
 
@@ -82,6 +84,7 @@ class GroupTreeCell extends TreeCell<TreeNode> {
                 setTooltip(null);
                 setText(null);
                 setGraphic(null);
+                setStyle("");
             });
         } else {
             final String groupName = StringUtils.defaultIfBlank(tNode.getPath(), DrawableGroup.getBlankGroupName());
@@ -92,30 +95,45 @@ class GroupTreeCell extends TreeCell<TreeNode> {
                     setTooltip(new Tooltip(groupName));
                     setText(groupName);
                     setGraphic(new ImageView(EMPTY_FOLDER_ICON));
+                    setStyle("");
                 });
 
             } else {
-                listener = (Observable o) -> {
+                fileListener = (Observable o) -> {
                     final String countsText = getCountsText();
                     Platform.runLater(() -> {
                         setText(groupName + countsText);
                     });
                 };
                 //if number of files in this group changes (eg file is recategorized), update counts via listener
-                tNode.getGroup().fileIds().addListener(listener);
+                tNode.getGroup().fileIds().addListener(fileListener);
+
+                seenListener = (Observable observable) -> {
+                    final String style = getSeenStyle();
+                    Platform.runLater(() -> {
+                        setStyle(style);
+                    });
+                };
+                tNode.getGroup().seenProperty().addListener(seenListener);
 
                 //... and use icon corresponding to group type
                 final Image icon = tNode.getGroup().groupKey.getAttribute().getIcon();
                 final String countsText = getCountsText();
+                final String style = getSeenStyle();
                 Platform.runLater(() -> {
                     setTooltip(new Tooltip(groupName));
                     setGraphic(new ImageView(icon));
                     setText(groupName + countsText);
+                    setStyle(style);
                 });
             }
         }
     }
 
+    private String getSeenStyle() {
+        return getItem().getGroup().isSeen() ? "" : "-fx-font-weight:bold;";
+    }
+
     private synchronized String getCountsText() {
         final String counts = Optional.ofNullable(getItem())
                 .map(TreeNode::getGroup)