Add LastUpdated tab to viewport

src/main/java/edu/wpi/first/outlineviewer/controller/MainWindowController.java

@@ -64,6 +64,8 @@ public class MainWindowController {
   private TreeTableColumn<TreeRow, Object> valueColumn;
   @FXML
   private TreeTableColumn<TreeRow, String> typeColumn;
+  @FXML
+  private TreeTableColumn<TreeRow, Long> lastUpdateColumn;
 
   @FXML
   @SuppressWarnings("PMD.AccessorMethodGeneration")
@@ -85,6 +87,7 @@ private void initialize() {
         NetworkTableUtilities.simpleKey(param.getValue().getValue().getKey())));
     valueColumn.setCellValueFactory(new TreeItemPropertyValueFactory<>("value"));
     typeColumn.setCellValueFactory(new TreeItemPropertyValueFactory<>("type"));
+    lastUpdateColumn.setCellValueFactory(new TreeItemPropertyValueFactory<>("lastUpdated"));
     valueColumn.setCellFactory(param -> new TreeEntryTreeTableCell<>());
 
     valueColumn.setOnEditCommit(event -> {

src/main/java/edu/wpi/first/outlineviewer/model/TreeEntry.java

@@ -29,6 +29,8 @@ public TreeEntry(NetworkTableEntry entry) {
         () -> networkTableEntry.get().getValue().getValue(), networkTableEntry));
     this.type.bind(Bindings.createObjectBinding(
         () -> networkTableEntry.get().getValue().getType().toString(), networkTableEntry));
+    this.lastUpdated.bind(Bindings.createLongBinding(
+        () -> networkTableEntry.get().getValue().getTime(), networkTableEntry));
   }
 
   public final NetworkTableEntry getNetworkTableEntry() {

src/main/java/edu/wpi/first/outlineviewer/model/TreeRow.java

@@ -4,7 +4,9 @@
 import javafx.beans.property.ObjectProperty;
 import javafx.beans.property.SimpleObjectProperty;
 import javafx.beans.property.SimpleStringProperty;
+import javafx.beans.property.SimpleLongProperty;
 import javafx.beans.property.StringProperty;
+import javafx.beans.property.LongProperty;
 
 import java.util.Objects;
 
@@ -16,6 +18,7 @@ public class TreeRow {
   protected final StringProperty key = new SimpleStringProperty(this, "key", "");
   protected final ObjectProperty<Object> value = new SimpleObjectProperty<>(this, "value", null);
   protected final StringProperty type = new SimpleStringProperty(this, "type", "");
+  protected final LongProperty lastUpdated = new SimpleLongProperty(this, "lastUpdated", 0);
 
   protected TreeRow() {
     // Users must provide a key!
@@ -64,12 +67,21 @@ public StringProperty typeProperty() {
     return type;
   }
 
+  public long getLastUpdated() {
+    return lastUpdated.get();
+  }
+
+  public LongProperty lastUpdatedProperty() {
+    return lastUpdated;
+  }
+
   @Override
   public String toString() {
     return MoreObjects.toStringHelper(this)
         .add("Key", key.getValue())
         .add("Value", value.get())
         .add("Type", typeProperty().getValue())
+        .add("Last Updated", lastUpdated.getValue())
         .toString();
   }
 }

src/main/resources/edu/wpi/first/outlineviewer/MainWindow.fxml

@@ -34,6 +34,7 @@
                 <TreeTableColumn fx:id="keyColumn" minWidth="200" prefWidth="200" sortable="false" text="Key" id="keyColumn"/>
                 <TreeTableColumn fx:id="valueColumn" minWidth="200" prefWidth="200" sortable="false" text="Value" id="valueColumn"/>
                 <TreeTableColumn fx:id="typeColumn" editable="false" prefWidth="100" minWidth="100" sortable="false" text="Type" id="typeColumn"/>
+                <TreeTableColumn fx:id="lastUpdateColumn" editable="false" prefWidth="100" minWidth="100" sortable="false" text="Last Updated" id="lastUpdateColumn"/>
             </columns>
         </NetworkTableTree>
     </center>

src/test/java/edu/wpi/first/outlineviewer/model/TreeRowTest.java

@@ -48,7 +48,7 @@ void getTypeTest() {
 
   @Test
   void toStringTest() {
-    assertEquals("TreeRow{Key=key, Value=value, Type=}", new TreeRow("key", "value").toString());
+    assertEquals("TreeRow{Key=key, Value=value, Type=, Last Updated=0}", new TreeRow("key", "value").toString());
   }
 
   private static class FakeTreeRow extends TreeRow {