#15: Add ability to export settings as JSON

levigo · Aug 12, 2016 · c67fc85 · c67fc85
1 parent 65f4995
commit c67fc85
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Showing 3 changed files with 94 additions and 30 deletions.
diff --git a/...g/levigo/jadice/server/converterclient/gui/clusterhealth/ClusterHealthPaneController.java b/...g/levigo/jadice/server/converterclient/gui/clusterhealth/ClusterHealthPaneController.java
@@ -1,5 +1,11 @@
 package org.levigo.jadice.server.converterclient.gui.clusterhealth;
 
+import java.io.File;
+import java.io.FileOutputStream;
+import java.io.IOException;
+import java.io.OutputStreamWriter;
+import java.nio.charset.StandardCharsets;
+import java.util.Collections;
 import java.util.ResourceBundle;
 import java.util.concurrent.ExecutorService;
 import java.util.concurrent.Executors;
@@ -10,8 +16,11 @@
 import org.controlsfx.control.HiddenSidesPane;
 import org.controlsfx.control.PopOver;
 import org.controlsfx.control.PopOver.ArrowLocation;
+import org.controlsfx.dialog.ExceptionDialog;
 import org.levigo.jadice.server.converterclient.Preferences;
+import org.levigo.jadice.server.converterclient.gui.clusterhealth.serialization.Marshaller;
 import org.levigo.jadice.server.converterclient.gui.clusterhealth.serialization.Marshaller.ClusterHealthDTO;
+import org.levigo.jadice.server.converterclient.gui.clusterhealth.serialization.MarshallingException;
 import org.levigo.jadice.server.converterclient.util.FxScheduler;
 import org.levigo.jadice.server.converterclient.util.UiUtil;
 
@@ -29,64 +38,74 @@
 import javafx.scene.layout.BackgroundFill;
 import javafx.scene.layout.Pane;
 import javafx.scene.paint.Color;
+import javafx.stage.FileChooser;
+import javafx.stage.FileChooser.ExtensionFilter;
 
 public class ClusterHealthPaneController {
-  
+
   private static final Logger LOGGER = Logger.getLogger(ClusterHealthPaneController.class);
 
   @FXML
   private Button home;
 
   @FXML
   private GridView<StatusControl> gridView;
-  
+
   @FXML
   private ToggleButton toggleSettingsButton;
-  
+
   @FXML
   private Button addInstance;
-  
+
   @FXML
-  private  HiddenSidesPane hiddenSidePane;
-  
+  private HiddenSidesPane hiddenSidePane;
+
   @FXML
   private Button defineWarnings;
 
   @FXML
   private ResourceBundle resources;
 
   private final ExecutorService exec = Executors.newWorkStealingPool();
-  
+
   private final ClusterHealthDTO settings = Preferences.clusterHealthProperty().getValue();
 
   private final ObservableList<StatusControl> controlElements = FXCollections.observableArrayList();
-  
+
   private FxScheduler timer;
-  
+
   private PopOver addInstancePopover;
-  
+
   private PopOver defineWarningsPopover;
 
+  private File lastExportDir;
+
+  private ExtensionFilter settingsExtensionFilter;
+
   @FXML
   protected void initialize() {
     UiUtil.configureHomeButton(home);
-    
+
     loadControlElements();
     defineWarningsPopover = initPopoverButton(defineWarnings, "/fxml/ConfigureClusterHealthWarnings.fxml");
     addInstancePopover = initPopoverButton(addInstance, "/fxml/AddClusterInstance.fxml");
-
-    hiddenSidePane.pinnedSideProperty().bind(new When(toggleSettingsButton.selectedProperty()).then(Side.TOP).otherwise((Side) null));
-
+
+    hiddenSidePane.pinnedSideProperty().bind(
+        new When(toggleSettingsButton.selectedProperty()).then(Side.TOP).otherwise((Side) null));
+
     gridView.setCellFactory(view -> new StatusControlGridCell());
     gridView.setBackground(new Background(new BackgroundFill(Color.WHITE, null, null)));
     gridView.setItems(controlElements);
-    
+
     timer = new FxScheduler(this::runUpdate);
     timer.setExecutionUnit(TimeUnit.MINUTES); // Unit is not configurable yet
     timer.executionRateProperty().bind(Preferences.clusterHealthProperty().getValue().autoUpdateInterval);
     timer.startedProperty().bind(Preferences.clusterHealthProperty().getValue().autoUpdateEnabled);
+
+    settingsExtensionFilter = new ExtensionFilter(resources.getString("cluster-health.settings"),
+        Collections.singletonList("*.json"));
   }
-  
+
   private PopOver initPopoverButton(Button button, String fxmlLocation) {
     Node limits = null;
     try {
@@ -99,15 +118,15 @@ private PopOver initPopoverButton(Button button, String fxmlLocation) {
       ((Pane) button.getParent()).getChildren().remove(button);
       return null;
     }
-    
+
     final PopOver result = new PopOver(limits);
     result.setHideOnEscape(true);
     result.setAutoHide(true);
     result.setDetachable(false);
     result.setArrowLocation(ArrowLocation.TOP_RIGHT);
     return result;
   }
-  
+
   private void togglePopOver(PopOver p, Node parent) {
     if (p == null) {
       return;
@@ -118,35 +137,34 @@ private void togglePopOver(PopOver p, Node parent) {
       p.show(parent);
     }
   }
-  
+
   @FXML
   protected void showDefineWarningsPopover() {
     togglePopOver(defineWarningsPopover, defineWarnings);
   }
-  
+
   @FXML
   protected void showAddInstancePopover() {
     togglePopOver(addInstancePopover, addInstance);
   }
 
-  
+
   @FXML
   private void runUpdate() {
     controlElements.forEach(ce -> runUpdateAsyn(ce));
   }
-  
+
   private void runUpdateAsyn(StatusControl control) {
     exec.submit(() -> {
       LOGGER.info("Running update for " + control.getClusterInstance().serverNameProperty().get());
       control.getClusterInstance().update();
-      }
-    );
+    });
   }
-  
+
   protected void removeClusterInstance(StatusControl controlElement) {
     settings.instances.remove(controlElements.indexOf(controlElement));
   }
-  
+
 
   private void loadControlElements() {
     settings.instances.forEach(instance -> {
@@ -171,4 +189,36 @@ private void loadControlElements() {
       gridView.setHorizontalCellSpacing(tmp);
     });
   }
+
+  @FXML
+  public void exportSettings() {
+    FileChooser fc = new FileChooser();
+    fc.setTitle(resources.getString("cluster-health.export-settings"));
+    fc.getExtensionFilters().add(settingsExtensionFilter);
+    if (lastExportDir != null && lastExportDir.isDirectory()) {
+      fc.setInitialDirectory(lastExportDir);
+    }
+    final File file = fc.showSaveDialog(gridView.getScene().getWindow());
+    if (file == null) {
+      LOGGER.info("Action cancelled by user");
+      return;
+    }
+    try (OutputStreamWriter osw = new OutputStreamWriter(new FileOutputStream(file), StandardCharsets.UTF_8)) {
+      final String marshalled = Marshaller.getDefault().marshallPrettyPrint(settings);
+      osw.write(marshalled);
+      LOGGER.info("Exported settings to " + file);
+    } catch (MarshallingException | IOException e) {
+      LOGGER.error("Could not export settings", e);
+      final ExceptionDialog dialog = new ExceptionDialog(e);
+      dialog.setTitle(resources.getString("dialogs.cluster-health.export-settings-error.title"));
+      dialog.setHeaderText(resources.getString("dialogs.cluster-health.export-settings-error.masthead"));
+      dialog.setContentText(
+          String.format(resources.getString("dialogs.cluster-health.export-settings-error.message"), file.getAbsolutePath()));
+      dialog.initOwner(gridView.getScene().getWindow());
+      dialog.show();
+    } finally {
+      lastExportDir = file.getParentFile();
+    }
+  }
+
 }
diff --git a/src/main/resources/fxml/ClusterHealthPane.fxml b/src/main/resources/fxml/ClusterHealthPane.fxml
@@ -71,12 +71,18 @@
 					</graphic>
 				</Button>
 
+
+                <Button text="%cluster-health.export-settings" contentDisplay="GRAPHIC_ONLY" onAction="#exportSettings">
+                  <graphic>
+                    <FontAwesomeIconView glyphName="DOWNLOAD" size="25px" />
+                  </graphic>
+                </Button>
+
 				<Button text="%cluster-health.update-now" contentDisplay="GRAPHIC_ONLY" onAction="#runUpdate">
 					<graphic>
 						<FontAwesomeIconView glyphName="REFRESH" size="25px"/>
 					</graphic>
 				</Button>
-
 			</children>
 		</FlowPane> 
 	</top>
@@ -86,4 +92,4 @@
 <bottom>
 
 </bottom>
-</BorderPane>
+</BorderPane>
diff --git a/src/main/resources/i18n/ui-strings.properties b/src/main/resources/i18n/ui-strings.properties
@@ -78,11 +78,14 @@ server-log.table.message=Message
 server-log.table.stacktrace=Stacktrace
 
 cluster-health.title=Cluster Health
-cluster-health.add-instance=Add Instance
+cluster-health.add-instance=Add instance
 cluster-health.add-instance.hostname=hostname
 cluster-health.add-instance.port=JMX port number
 cluster-health.add-instance.add=Add
-cluster-health.define-warnings=Define Warnings
+cluster-health.define-warnings=Define warnings
+cluster-health.settings=Cluster Health Settings
+cluster-health.export-settings=Export settings
+cluster-health.import-settings=Import settings
 cluster-health.update-now=Update now
 
 cluster-health.rule.server-running=Check if server is running
@@ -157,6 +160,11 @@ dialogs.jmx.connection-error.message=Could not connect to JMX
 dialogs.server-log.connection-error.title=Connection Error
 dialogs.server-log.connection-error.message=Cannot subscribe to server log
 
+dialogs.cluster-health.export-settings-error.title=Error
+dialogs.cluster-health.export-settings-error.masthead=Failed to export settings
+# %s will be replaced by file name
+dialogs.cluster-health.export-settings-error.message=Could not save %s
+
 dialogs.update.update-available.title=Update Check
 dialogs.update.update-available.masthead=New version available
 # %s will be replaced by version numbers