fix stack overflow when zooming way out by disabling zooming out further than the entire case... other minor cleanup

Core/src/org/sleuthkit/autopsy/timeline/actions/Bundle.properties

@@ -3,4 +3,3 @@ DefaultFilters.action.name.text=apply default filters
 Forward.action.name.text=Forward
 SaveSnapshot.action.name.text=save snapshot
 SaveSnapshot.fileChoose.title.text=Save snapshot to
-ZoomOut.action.name.text=apply default filters

Core/src/org/sleuthkit/autopsy/timeline/actions/ZoomIn.java

@@ -0,0 +1,44 @@
+/*
+ * Autopsy Forensic Browser
+ *
+ * Copyright 2015 Basis Technology Corp.
+ * Contact: carrier <at> sleuthkit <dot> org
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.sleuthkit.autopsy.timeline.actions;
+
+import javafx.scene.image.Image;
+import javafx.scene.image.ImageView;
+import org.controlsfx.control.action.Action;
+import org.openide.util.NbBundle;
+import org.sleuthkit.autopsy.timeline.TimeLineController;
+
+/**
+ *
+ */
+public class ZoomIn extends Action {
+
+    private static final Image MAGNIFIER_IN = new Image("/org/sleuthkit/autopsy/timeline/images/magnifier-zoom-in-green.png"); //NOI18N
+
+    @NbBundle.Messages({"ZoomIn.longText=Zoom in to view half as much time.",
+        "ZoomIn.action.text=Zoom in"})
+    public ZoomIn(TimeLineController controller) {
+        super(Bundle.ZoomIn_action_text());
+        setLongText(Bundle.ZoomIn_longText());
+        setGraphic(new ImageView(MAGNIFIER_IN));
+        setEventHandler(actionEvent -> {
+            controller.pushZoomInTime();
+        });
+    }
+}

Core/src/org/sleuthkit/autopsy/timeline/actions/ZoomOut.java

@@ -1,7 +1,7 @@
 /*
  * Autopsy Forensic Browser
  *
- * Copyright 2014 Basis Technology Corp.
+ * Copyright 2015 Basis Technology Corp.
  * Contact: carrier <at> sleuthkit <dot> org
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
@@ -19,7 +19,8 @@
 package org.sleuthkit.autopsy.timeline.actions;
 
 import javafx.beans.binding.BooleanBinding;
-import javafx.event.ActionEvent;
+import javafx.scene.image.Image;
+import javafx.scene.image.ImageView;
 import org.controlsfx.control.action.Action;
 import org.openide.util.NbBundle;
 import org.sleuthkit.autopsy.timeline.TimeLineController;
@@ -30,15 +31,22 @@ import org.sleuthkit.autopsy.timeline.datamodel.FilteredEventsModel;
  */
 public class ZoomOut extends Action {
 
-    private final TimeLineController controller;
+    private static final Image MAGNIFIER_OUT = new Image("/org/sleuthkit/autopsy/timeline/images/magnifier-zoom-out-red.png"); //NOI18N
 
-    private final FilteredEventsModel eventsModel;
+    @NbBundle.Messages({"ZoomOut.longText=Zoom out to view 50% more time.",
+        "ZoomOut.action.text=Zoom out"})
+    public ZoomOut(TimeLineController controller) {
+        super(Bundle.ZoomOut_action_text());
+        setLongText(Bundle.ZoomOut_longText());
+        setGraphic(new ImageView(MAGNIFIER_OUT));
+        setEventHandler(actionEvent -> {
+            controller.pushZoomOutTime();
+        });
 
-    public ZoomOut(final TimeLineController controller) {
+        //disable action when the current time range already encompases the entire case.
-        super(NbBundle.getMessage(ZoomOut.class, "ZoomOut.action.name.text"));
-        this.controller = controller;
-        eventsModel = controller.getEventsModel();
         disabledProperty().bind(new BooleanBinding() {
+            private final FilteredEventsModel eventsModel = controller.getEventsModel();
+
             {
                 bind(eventsModel.zoomParametersProperty());
             }
@@ -48,8 +56,5 @@ public class ZoomOut extends Action {
                 return eventsModel.zoomParametersProperty().getValue().getTimeRange().contains(eventsModel.getSpanningInterval());
             }
         });
-        setEventHandler((ActionEvent t) -> {
-            controller.zoomOutToActivity();
-        });
     }
 }

Core/src/org/sleuthkit/autopsy/timeline/actions/ZoomToEvents.java

@@ -0,0 +1,61 @@
+/*
+ * Autopsy Forensic Browser
+ *
+ * Copyright 2014-15 Basis Technology Corp.
+ * Contact: carrier <at> sleuthkit <dot> org
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.sleuthkit.autopsy.timeline.actions;
+
+import javafx.beans.binding.BooleanBinding;
+import javafx.scene.image.Image;
+import javafx.scene.image.ImageView;
+import org.controlsfx.control.action.Action;
+import org.openide.util.NbBundle;
+import org.sleuthkit.autopsy.timeline.TimeLineController;
+import org.sleuthkit.autopsy.timeline.datamodel.FilteredEventsModel;
+
+/**
+ *
+ */
+public class ZoomToEvents extends Action {
+
+    private static final Image MAGNIFIER_OUT = new Image("/org/sleuthkit/autopsy/timeline/images/magnifier-zoom-out-red.png", 16, 16, true, true); //NOI18N
+
+    @NbBundle.Messages({"ZoomToEvents.action.text=Zoom to events",
+        "ZoomToEvents.longText=Zoom out to show the nearest events."})
+    public ZoomToEvents(final TimeLineController controller) {
+        super(Bundle.ZoomToEvents_action_text());
+        setLongText(Bundle.ZoomToEvents_longText());
+        setGraphic(new ImageView(MAGNIFIER_OUT));
+        setEventHandler(actionEvent -> {
+            controller.zoomOutToActivity();
+        });
+
+        //disable action when the current time range already encompases the entire case.
+        disabledProperty().bind(new BooleanBinding() {
+            private final FilteredEventsModel eventsModel = controller.getEventsModel();
+
+            {
+                bind(eventsModel.zoomParametersProperty());
+            }
+
+            @Override
+            protected boolean computeValue() {
+                //TODO: do a db query to see if using this action will actually result in viewable events
+                return eventsModel.zoomParametersProperty().getValue().getTimeRange().contains(eventsModel.getSpanningInterval());
+            }
+        });
+    }
+}

Core/src/org/sleuthkit/autopsy/timeline/ui/VisualizationPanel.fxml

@@ -9,7 +9,7 @@
 <?import jfxtras.scene.control.*?>
 <?import org.controlsfx.control.*?>
 
-<fx:root prefHeight="-1.0" prefWidth="-1.0" type="javafx.scene.layout.BorderPane" xmlns="http://javafx.com/javafx/8" xmlns:fx="http://javafx.com/fxml/1">
+<fx:root prefHeight="-1.0" prefWidth="-1.0" type="javafx.scene.layout.BorderPane" xmlns="http://javafx.com/javafx/8.0.40" xmlns:fx="http://javafx.com/fxml/1">
     <top>
         <ToolBar fx:id="toolBar" prefWidth="200.0" BorderPane.alignment="CENTER">
             <items>
@@ -115,7 +115,7 @@
                         </Separator>
                         <HBox>
                             <children>
-                                <Button fx:id="zoomOutButton" mnemonicParsing="false">
+                                <Button fx:id="zoomOutButton" contentDisplay="GRAPHIC_ONLY" mnemonicParsing="false">
                                     <graphic>
                                         <ImageView pickOnBounds="true" preserveRatio="true">
                                             <image>
@@ -127,7 +127,7 @@
                                         <Insets bottom="3.0" left="3.0" right="3.0" top="3.0" />
                                     </HBox.margin>
                                 </Button>
-                                <Button fx:id="zoomInButton" mnemonicParsing="false">
+                                <Button fx:id="zoomInButton" contentDisplay="GRAPHIC_ONLY" mnemonicParsing="false">
                                     <graphic>
                                         <ImageView pickOnBounds="true" preserveRatio="true">
                                             <image>
@@ -143,7 +143,7 @@
                         </HBox>
                         <MenuButton fx:id="zoomMenuButton" mnemonicParsing="false">
                             <graphic>
-                                <ImageView fitHeight="16.0" fitWidth="16.0" pickOnBounds="true" preserveRatio="true">
+                                <ImageView pickOnBounds="true" preserveRatio="true">
                                     <image>
                                         <Image url="@../images/magnifier-left.png" />
                                     </image>

Core/src/org/sleuthkit/autopsy/timeline/ui/VisualizationPanel.java

@@ -66,6 +66,7 @@ import jfxtras.scene.control.LocalDateTimeTextField;
 import org.controlsfx.control.NotificationPane;
 import org.controlsfx.control.RangeSlider;
 import org.controlsfx.control.action.Action;
+import org.controlsfx.control.action.ActionUtils;
 import org.joda.time.DateTime;
 import org.joda.time.DateTimeZone;
 import org.joda.time.Interval;
@@ -78,7 +79,9 @@ import org.sleuthkit.autopsy.timeline.TimeLineView;
 import org.sleuthkit.autopsy.timeline.VisualizationMode;
 import org.sleuthkit.autopsy.timeline.actions.ResetFilters;
 import org.sleuthkit.autopsy.timeline.actions.SaveSnapshot;
+import org.sleuthkit.autopsy.timeline.actions.ZoomIn;
 import org.sleuthkit.autopsy.timeline.actions.ZoomOut;
+import org.sleuthkit.autopsy.timeline.actions.ZoomToEvents;
 import org.sleuthkit.autopsy.timeline.datamodel.FilteredEventsModel;
 import org.sleuthkit.autopsy.timeline.events.TagsUpdatedEvent;
 import org.sleuthkit.autopsy.timeline.filters.TagsFilter;
@@ -178,8 +181,8 @@ public class VisualizationPanel extends BorderPane implements TimeLineView {
 
     private FilteredEventsModel filteredEvents;
 
-    private final ChangeListener<Object> rangeSliderListener
+    private final ChangeListener<Object> rangeSliderListener =
-            = (observable1, oldValue, newValue) -> {
+            (observable1, oldValue, newValue) -> {
                 if (rangeSlider.isHighValueChanging() == false && rangeSlider.isLowValueChanging() == false) {
                     Long minTime = filteredEvents.getMinTime() * 1000;
                     controller.pushTimeRange(new Interval(
@@ -289,13 +292,6 @@ public class VisualizationPanel extends BorderPane implements TimeLineView {
         }
         zoomMenuButton.setText(NbBundle.getMessage(VisualizationPanel.class, "VisualizationPanel.zoomMenuButton.text")); // NON-NLS
 
-        zoomOutButton.setOnAction(e -> {
-            controller.pushZoomOutTime();
-        });
-        zoomInButton.setOnAction(e -> {
-            controller.pushZoomInTime();
-        });
-
         snapShotButton.setOnAction((ActionEvent event) -> {
             //take snapshot
             final SnapshotParameters snapshotParameters = new SnapshotParameters();
@@ -314,6 +310,9 @@ public class VisualizationPanel extends BorderPane implements TimeLineView {
     @Override
     public synchronized void setController(TimeLineController controller) {
         this.controller = controller;
+        ActionUtils.configureButton(new ZoomOut(controller), zoomOutButton);
+        ActionUtils.configureButton(new ZoomIn(controller), zoomInButton);
+
         setModel(controller.getEventsModel());
         setViewMode(controller.viewModeProperty().get());
         controller.getNeedsHistogramRebuild().addListener((ObservableValue<? extends Boolean> observable, Boolean oldValue, Boolean newValue) -> {
@@ -380,14 +379,15 @@ public class VisualizationPanel extends BorderPane implements TimeLineView {
                 visualization.hasEvents.addListener((ObservableValue<? extends Boolean> observable, Boolean oldValue, Boolean newValue) -> {
                     if (newValue == false) {
 
-                        notificationPane.setContent(new StackPane(visualization, new Region() {
+                        notificationPane.setContent(
-                            {
+                                new StackPane(visualization,
-                                setBackground(new Background(new BackgroundFill(Color.GREY, CornerRadii.EMPTY, Insets.EMPTY)));
+                                        new Region() {
-                                setOpacity(.3);
+                                            {
-                            }
+                                                setBackground(new Background(new BackgroundFill(Color.GREY, CornerRadii.EMPTY, Insets.EMPTY)));
-                        }, new NoEventsDialog(() -> {
+                                                setOpacity(.3);
-                            notificationPane.setContent(visualization);
+                                            }
-                        })));
+                                        },
+                                        new NoEventsDialog(() -> notificationPane.setContent(visualization))));
                     } else {
                         notificationPane.setContent(visualization);
                     }
@@ -552,7 +552,6 @@ public class VisualizationPanel extends BorderPane implements TimeLineView {
         private NoEventsDialog(Runnable closeCallback) {
             this.closeCallback = closeCallback;
             FXMLConstructor.construct(this, "NoEventsDialog.fxml"); // NON-NLS
-
         }
 
         @FXML
@@ -562,15 +561,9 @@ public class VisualizationPanel extends BorderPane implements TimeLineView {
             assert zoomButton != null : "fx:id=\"zoomButton\" was not injected: check your FXML file 'NoEventsDialog.fxml'."; // NON-NLS
 
             noEventsDialogLabel.setText(NbBundle.getMessage(NoEventsDialog.class, "VisualizationPanel.noEventsDialogLabel.text")); // NON-NLS
-            zoomButton.setText(NbBundle.getMessage(NoEventsDialog.class, "VisualizationPanel.zoomButton.text")); // NON-NLS
+            ActionUtils.configureButton(new ZoomToEvents(controller), zoomButton);
 
-            Action zoomOutAction = new ZoomOut(controller);
+            dismissButton.setOnAction(actionEvent -> closeCallback.run());
-            zoomButton.setOnAction(zoomOutAction);
-            zoomButton.disableProperty().bind(zoomOutAction.disabledProperty());
-
-            dismissButton.setOnAction(e -> {
-                closeCallback.run();
-            });
             Action defaultFiltersAction = new ResetFilters(controller);
             resetFiltersButton.setOnAction(defaultFiltersAction);
             resetFiltersButton.disableProperty().bind(defaultFiltersAction.disabledProperty());