Open, delete and add dataset now work

src/main/java/seng202/group9/Controller/App.java

@@ -72,12 +72,6 @@ public class App extends Application
 		} catch (Exception e){
 			e.printStackTrace();
 		}
-		//testing out dataset
-		try {
-			currentDataset = new Dataset("test's", Dataset.getExisting);
-		}catch (DataException e){
-			e.printStackTrace();
-		}
 		//after all loading then load the previous session
 		try{
 			FileInputStream fileIn = new FileInputStream("res/session.ser");
@@ -99,7 +93,20 @@ public class App extends Application
 			session = new Session();
 			e.printStackTrace();
 		}
-		//menuController.createPopUpStage(SceneCode.DATASET_CONTROLLER, 600, 400);
+		//testing out dataset
+		try {
+			if (session.getCurrentDataset() != null) {
+				currentDataset = new Dataset(session.getCurrentDataset(), Dataset.getExisting);
+			}else{
+				menuController.createPopUpStage(SceneCode.DATASET_CONTROLLER, 600, 400);
+			}
+		}catch (DataException e){
+			menuController.createPopUpStage(SceneCode.DATASET_CONTROLLER, 600, 400);
+		}catch (NullPointerException e){
+			menuController.createPopUpStage(SceneCode.DATASET_CONTROLLER, 600, 400);
+		}catch (Exception e){
+			menuController.createPopUpStage(SceneCode.DATASET_CONTROLLER, 600, 400);
+		}
 	}
 
 	/**
@@ -198,6 +205,7 @@ public class App extends Application
      */
 	public void setCurrentDataset(int index){
 		currentDataset = datasets.get(index);
+		session.setCurrentDataset(currentDataset.getName());
 	}
 
 	/**
@@ -206,6 +214,7 @@ public class App extends Application
      */
 	public void setCurrentDataset(Dataset dataset){
 		currentDataset = dataset;
+		session.setCurrentDataset(currentDataset.getName());
 	}
 
 	/**

src/main/java/seng202/group9/Controller/Session.java

@@ -25,6 +25,8 @@ public class Session implements Serializable {
     private String airportToEdit;
     private String routeToEdit;
 
+    private String currentDataset;
+
 
     /**
      * Constructor for a new session
@@ -42,6 +44,14 @@ public class Session implements Serializable {
         this.sceneDisplayed = scene;
     }
 
+    public String getCurrentDataset(){
+        return this.currentDataset;
+    }
+
+    public void setCurrentDataset(String currentDataset){
+        this.currentDataset = currentDataset;
+    }
+
     /**
      * changes the serialized scene.
      * @param sceneDisplayed

src/main/java/seng202/group9/GUI/DatasetController.java

@@ -5,8 +5,12 @@ import javafx.collections.FXCollections;
 import javafx.collections.ListChangeListener;
 import javafx.collections.ObservableList;
 import javafx.fxml.FXML;
+import javafx.scene.control.Alert;
+import javafx.scene.control.Button;
 import javafx.scene.control.ListView;
 import javafx.scene.control.TextField;
+import javafx.stage.Stage;
+import seng202.group9.Controller.DataException;
 import seng202.group9.Controller.Dataset;
 
 import java.util.*;
@@ -22,11 +26,14 @@ public class DatasetController extends Controller{
     ListView datasetView;
     @FXML
     TextField datasetName;
+    @FXML
+    Button openDataset;
     Dataset curDataset = null;
     ObservableList<Dataset> datasetList = observableArrayList();
 
     public void load() {
         curDataset = getParent().getCurrentDataset();
+        loadTable();
     }
 
     public void loadTable(){
@@ -38,13 +45,35 @@ public class DatasetController extends Controller{
     public void deleteDataset(){
         Dataset datasetToDelete = (Dataset) datasetView.getSelectionModel().getSelectedItem();
         getParent().deleteDataset(datasetToDelete);
+        loadTable();
     }
 
     public void addDataset(){
-
+        String name = datasetName.getText();
+        if (!name.equals("") && name != null) {
+            try {
+                getParent().createDataset(name);
+            } catch (DataException e) {
+                Alert alert = new Alert(Alert.AlertType.ERROR);
+                alert.setTitle("Dataset Creation Error");
+                alert.setHeaderText("Error creating Dataset.");
+                alert.setContentText(e.getMessage());
+                alert.showAndWait();
+            }
+        }else{
+            Alert alert = new Alert(Alert.AlertType.ERROR);
+            alert.setTitle("Dataset Creation Error");
+            alert.setHeaderText("Error creating Dataset.");
+            alert.setContentText("Dataset Name Cannot be Empty");
+            alert.showAndWait();
+        }
+        loadTable();
     }
 
     public void openDataset(){
-
+        Dataset datasetToOpen = (Dataset) datasetView.getSelectionModel().getSelectedItem();
+        getParent().setCurrentDataset(datasetToOpen);
+        loadTable();
+        ((Stage) openDataset.getScene().getWindow()).close();
     }
 }

src/main/resources/dataset_editor.fxml

@@ -22,7 +22,7 @@
          <contextMenu>
             <ContextMenu>
               <items>
-                <MenuItem fx:id="deleteBtn" mnemonicParsing="false" onAction="#deleteDataset" text="Unspecified Action" />
+                <MenuItem fx:id="deleteBtn" mnemonicParsing="false" onAction="#deleteDataset" text="Delete Dataset" />
               </items>
             </ContextMenu>
          </contextMenu>
@@ -34,7 +34,7 @@
             <Font size="18.0" />
          </font>
       </Label>
-      <Button mnemonicParsing="false" onAction="#openDataset" prefHeight="25.0" prefWidth="785.0" text="Open" GridPane.columnSpan="2" GridPane.halignment="CENTER" GridPane.rowIndex="3" />
+      <Button fx:id="openDataset" mnemonicParsing="false" onAction="#openDataset" prefHeight="25.0" prefWidth="785.0" text="Open" GridPane.columnSpan="2" GridPane.halignment="CENTER" GridPane.rowIndex="3" />
    </children>
    <padding>
       <Insets bottom="10.0" left="10.0" right="10.0" top="10.0" />