Issue 66: client side error pop ups use default javaFx style

- created JFeonix style pop up to replace the default one

tags: #story[1273]

src/main/java/seng302/visualiser/GameClient.java

@@ -14,8 +14,6 @@ import javafx.application.Platform;
 import javafx.collections.FXCollections;
 import javafx.collections.ObservableList;
 import javafx.fxml.FXMLLoader;
-import javafx.scene.control.Alert;
-import javafx.scene.control.Alert.AlertType;
 import javafx.scene.input.KeyCode;
 import javafx.scene.input.KeyEvent;
 import javafx.scene.layout.Pane;
@@ -46,6 +44,7 @@ import seng302.utilities.XMLParser;
 import seng302.visualiser.controllers.LobbyController;
 import seng302.visualiser.controllers.RaceViewController;
 import seng302.visualiser.controllers.ViewManager;
+import seng302.visualiser.controllers.dialogs.PopupDialogController;
 
 /**
  * This class is a client side instance of a yacht racing game in JavaFX. The game is instantiated
@@ -169,10 +168,12 @@ public class GameClient {
 
     private void showConnectionError (String message) {
         Platform.runLater(() -> {
-            Alert alert = new Alert(AlertType.ERROR);
-            alert.setHeaderText("Connection Error");
-            alert.setContentText(message);
-            alert.showAndWait();
+            PopupDialogController controller = ViewManager.getInstance().showPopupDialog();
+            controller.setHeader("Oops");
+            controller.setContent(message);
+            controller.setOptionButtonText("GO HOME");
+            controller
+                .setOptionButtonEventHandler(event -> ViewManager.getInstance().goToStartView());
         });
     }
 

src/main/java/seng302/visualiser/controllers/ViewManager.java

@@ -28,6 +28,7 @@ import seng302.utilities.BonjourInstallChecker;
 import seng302.utilities.Sounds;
 import seng302.visualiser.GameClient;
 import seng302.visualiser.controllers.dialogs.KeyBindingDialogController;
+import seng302.visualiser.controllers.dialogs.PopupDialogController;
 
 public class ViewManager {
 
@@ -229,6 +230,26 @@ public class ViewManager {
         keyBindingDialog.close();
     }
 
+    public PopupDialogController showPopupDialog() {
+        FXMLLoader dialogContent = new FXMLLoader(
+            getClass().getResource("/views/dialogs/PopupDialog.fxml"));
+        for (Node node : decorator.getChildren()) {
+            if (node instanceof StackPane) {
+                try {
+                    JFXDialog dialog = new JFXDialog((StackPane) node, dialogContent.load(),
+                        DialogTransition.CENTER);
+                    PopupDialogController popupDialogController = dialogContent.getController();
+                    popupDialogController.setPopupDialog(dialog);
+                    dialog.show();
+                    return popupDialogController;
+                } catch (IOException e) {
+                    logger.error("Cannot load Popup dialog");
+                }
+            }
+        }
+        return null;
+    }
+
     /**
      * Show a snackbar at the bottom of the app for 1 second.
      *

src/main/java/seng302/visualiser/controllers/dialogs/PopupDialogController.java

@@ -0,0 +1,56 @@
+package seng302.visualiser.controllers.dialogs;
+
+import com.jfoenix.controls.JFXButton;
+import com.jfoenix.controls.JFXDialog;
+import java.net.URL;
+import java.util.ResourceBundle;
+import javafx.event.EventHandler;
+import javafx.fxml.FXML;
+import javafx.fxml.Initializable;
+import javafx.scene.control.Label;
+import javafx.scene.input.MouseEvent;
+
+public class PopupDialogController implements Initializable {
+
+    @FXML
+    private Label headerLabel;
+    @FXML
+    private Label contentLabel;
+    @FXML
+    private Label closeLabel;
+    @FXML
+    private JFXButton optionButton;
+
+    @FXML
+    private JFXDialog popupDialog;
+
+    @Override
+    public void initialize(URL location, ResourceBundle resources) {
+
+    }
+
+    public void setContent(String content) {
+        this.contentLabel.setText(content);
+    }
+
+    public void setHeader(String header) {
+        this.headerLabel.setText(header);
+    }
+
+    public void setOptionButton(JFXButton jfxButton) {
+        this.optionButton = jfxButton;
+    }
+
+    public void setOptionButtonText(String text) {
+        this.optionButton.setText(text);
+    }
+
+    public void setOptionButtonEventHandler(EventHandler<? super MouseEvent> eventHandler) {
+        this.optionButton.setOnMouseClicked(eventHandler);
+    }
+
+    public void setPopupDialog(JFXDialog popupDialog) {
+        this.popupDialog = popupDialog;
+        this.closeLabel.setOnMouseClicked(event -> this.popupDialog.close());
+    }
+}