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package de.fhswf.in.inf.se.notepadMinusMinus;
import java.io.File;
import java.util.prefs.Preferences;
import javax.xml.bind.JAXBContext;
import javax.xml.bind.Marshaller;
import javax.xml.bind.Unmarshaller;
import de.fhswf.in.inf.se.notepadMinusMinus.model.Grade;
import de.fhswf.in.inf.se.notepadMinusMinus.model.Grades;
import de.fhswf.in.inf.se.notepadMinusMinus.view.MainViewController;
import javafx.application.Application;
import javafx.collections.FXCollections;
import javafx.collections.ObservableList;
import javafx.fxml.FXMLLoader;
import javafx.scene.Scene;
import javafx.scene.control.Alert;
import javafx.scene.control.Alert.AlertType;
import javafx.scene.layout.BorderPane;
import javafx.stage.Stage;
public class Main extends Application
{
private ObservableList<Grade> gradeList = FXCollections
.observableArrayList();
private Stage primaryStage;
@Override
public void start(Stage primaryStage)
{
this.primaryStage = primaryStage;
try
{
FXMLLoader loader = new FXMLLoader(
getClass().getResource("view/MainView.fxml"));
BorderPane root = (BorderPane) loader.load();
Scene scene = new Scene(root);
primaryStage.setScene(scene);
MainViewController controller = loader.getController();
controller.setMain(this);
primaryStage.setMaximized(true);
primaryStage.show();
}
catch (Exception e)
{
e.printStackTrace();
}
}
public static void main(String[] args)
{
launch(args);
}
public ObservableList<Grade> getGradeList()
{
return gradeList;
}
public File getGradesFilePath()
{
Preferences prefs = Preferences.userNodeForPackage(Main.class);
String filePath = prefs.get("filePath", null);
if (filePath != null)
{
return new File(filePath);
}
else
{
return null;
}
}
public void setGradesFilePath(File file)
{
Preferences prefs = Preferences.userNodeForPackage(Main.class);
if (file != null)
{
prefs.put("filePath", file.getPath());
// Update the stage title.
primaryStage.setTitle("Notepad-- - " + file.getName());
}
else
{
prefs.remove("filePath");
// Update the stage title.
primaryStage.setTitle("Notepad--");
}
}
public void loadGradesFromFile(File file)
{
try
{
JAXBContext context = JAXBContext.newInstance(Grades.class);
Unmarshaller um = context.createUnmarshaller();
// Reading XML from the file and unmarshalling.
Grades wrapper = (Grades) um.unmarshal(file);
gradeList.clear();
gradeList.addAll(wrapper.getGrades());
// Save the file path to the registry.
setGradesFilePath(file);
}
catch (Exception e)
{ // catches ANY exception
Alert alert = new Alert(AlertType.ERROR);
alert.initOwner(primaryStage);
alert.setTitle("Fehler");
alert.setHeaderText("Konnte Noten nicht laden.");
alert.setContentText(
"Konnte Noten nicht aus folgender Datei laden:\n"
+ file.getPath());
alert.showAndWait();
}
}
public void saveGradesToFile(File file)
{
try
{
JAXBContext context = JAXBContext.newInstance(Grades.class);
Marshaller m = context.createMarshaller();
m.setProperty(Marshaller.JAXB_FORMATTED_OUTPUT, true);
// Wrapping our grades data.
Grades wrapper = new Grades();
wrapper.setGrades(gradeList);
// Marshalling and saving XML to the file.
m.marshal(wrapper, file);
}
catch (Exception e)
{ // catches ANY exception
Alert alert = new Alert(AlertType.ERROR);
alert.initOwner(primaryStage);
alert.setTitle("Fehler");
alert.setHeaderText("Konnte Noten nicht speichern.");
alert.setContentText(
"Konnte Noten nicht in folgende Datei speichern:\n"
+ file.getPath());
alert.showAndWait();
}
}
public void saveGradesToFile()
{
saveGradesToFile(getGradesFilePath());
}
}
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