Data Browser: Properties tab context menu entry to show/hide all items

app/databrowser/src/main/java/org/csstudio/trends/databrowser3/Messages.java

@@ -190,6 +190,7 @@ public class Messages
                          FormulaTabTT,
                          Grid,
                          GridLbl,
+                         HideAll,
                          HideTraceWarning,
                          HideTraceWarningDetail,
                          ImportActionLabelFmt,
@@ -269,6 +270,7 @@ public class Messages
                          SelectTrace,
                          SeverityColumn,
                          SeverityStatusFmt,
+                         ShowAll,
                          StartEndDialogBtn,
                          StartEndDialogTT,
                          StartTimeLbl,

app/databrowser/src/main/java/org/csstudio/trends/databrowser3/ui/properties/ShowHideAllAction.java

@@ -0,0 +1,69 @@
+/*******************************************************************************
+ * Copyright (c) 2024 Oak Ridge National Laboratory.
+ * All rights reserved. This program and the accompanying materials
+ * are made available under the terms of the Eclipse Public License v1.0
+ * which accompanies this distribution, and is available at
+ * http://www.eclipse.org/legal/epl-v10.html
+ ******************************************************************************/
+package org.csstudio.trends.databrowser3.ui.properties;
+
+import org.csstudio.trends.databrowser3.Activator;
+import org.csstudio.trends.databrowser3.Messages;
+import org.csstudio.trends.databrowser3.model.AxisConfig;
+import org.csstudio.trends.databrowser3.model.Model;
+import org.csstudio.trends.databrowser3.model.ModelItem;
+import org.phoebus.ui.undo.UndoableAction;
+import org.phoebus.ui.undo.UndoableActionManager;
+
+import javafx.scene.control.MenuItem;
+
+/** MenuItem to show or hide all items
+ *  @author Kay Kasemir
+ */
+@SuppressWarnings("nls")
+public class ShowHideAllAction extends MenuItem
+{
+    private class ShowHideAll extends UndoableAction
+    {
+        final private Model model;
+        final private boolean show;
+
+        ShowHideAll(final UndoableActionManager operations_manager,
+                    final Model model, final boolean show)
+        {
+            super(show ? Messages.ShowAll : Messages.HideAll);
+            this.model = model;
+            this.show = show;
+            operations_manager.execute(this);
+        }
+
+        @Override
+        public void run()
+        {
+            for (ModelItem item : model.getItems())
+                item.setVisible(show);
+            for (AxisConfig axis : model.getAxes())
+                axis.setVisible(model.hasAxisActiveItems(axis));
+        }
+
+        @Override
+        public void undo()
+        {
+            for (ModelItem item : model.getItems())
+                item.setVisible(!show);
+            for (AxisConfig axis : model.getAxes())
+                axis.setVisible(model.hasAxisActiveItems(axis));
+        }
+    }
+
+    /** @param model Model
+     *  @param undo Undo manager
+     *  @param show Show all, or hide all?
+     */
+    public ShowHideAllAction(final Model model, final UndoableActionManager undo, final boolean show)
+    {
+        super(show ? Messages.ShowAll : Messages.HideAll,
+              Activator.getIcon(show ? "checkbox" : "checkbox_unchecked"));
+        setOnAction(event -> new ShowHideAll(undo, model, show));
+    }
+}

app/databrowser/src/main/java/org/csstudio/trends/databrowser3/ui/properties/TracesTab.java

@@ -1,5 +1,5 @@
 /*******************************************************************************
- * Copyright (c) 2018-2020 Oak Ridge National Laboratory.
+ * Copyright (c) 2018-2024 Oak Ridge National Laboratory.
  * All rights reserved. This program and the accompanying materials
  * are made available under the terms of the Eclipse Public License v1.0
  * which accompanies this distribution, and is available at
@@ -733,6 +733,12 @@ private void createContextMenu()
                 items.add(new EditMultipleItemsAction(trace_table, model, undo, selection));
 
             items.add(new SeparatorMenuItem());
+
+
+            items.add(new ShowHideAllAction(model, undo, true));
+            items.add(new ShowHideAllAction(model, undo, false));
+
+            items.add(new SeparatorMenuItem());
 
             // Add PV-based entries
             final List<ProcessVariable> pvs = selection.stream()

app/databrowser/src/main/resources/org/csstudio/trends/databrowser3/messages.properties

@@ -170,6 +170,7 @@ FormulaTabVariable=Variable
 FormulaTabTT=Double-click input to add to formula, or edit variable name
 Grid=Grid
 GridLbl=Grid:
+HideAll=Hide All
 HideTraceWarning=Hide Trace?
 HideTraceWarningDetail=Hiding a trace can be useful to...\na) temporarily reduce the number of traces on the plot\nb) hide formula input PVs where you are interested in the formula,\n   but not the individual inputs\n\nNote however that the Databrowser will still sample data for the hidden trace and request archived data for it so that it's 'ready' when you want to show it again.\n\nIf you don't need this item at all, you should delete it instead of hiding it.\n\nHide trace?
 ImportActionLabelFmt=Import {0}
@@ -249,6 +250,7 @@ SearchTT=Start the channel name search
 SelectTrace=Select trace to see data sources
 SeverityColumn=Severity
 SeverityStatusFmt={0} / {1}
+ShowAll=Show All
 StartEndDialogBtn=...
 StartEndDialogTT=Open start/end time dialog box
 StartTimeLbl=Start Time: