HealthToolUdS/health_data_export/src/application/UICoordinator.java

package application;

import java.io.BufferedInputStream;
import java.io.BufferedOutputStream;
import java.io.File;
import java.io.FileOutputStream;
import java.net.MalformedURLException;
import java.net.URL;
import java.nio.file.Files;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.function.Predicate;
import java.util.zip.ZipEntry;
import java.util.zip.ZipFile;

import application.customviews.EntryView;
import application.customviews.FileView;
import application.customviews.SubEntryView;
import application.enums.EntryType;
import application.enums.NavState;
import application.helpers.ChangeViewCallback;
import application.helpers.Utils;
import application.helpers.WorkWhileProgressThread;
import application.helpers.wrappers.Element;
import application.helpers.wrappers.Occupation;
import application.helpers.wrappers.WrappedException;
import application.helpers.wrappers.WriteSelection;
import application.parsing.ParsingWrapper;
import application.parsing.ReadHandler;
import application.res.Backgrounds;
import application.res.Colors;
import application.res.Occupations;
import application.res.PrivacyStatementText;
import application.res.Text;
import javafx.application.HostServices;
import javafx.beans.binding.Bindings;
import javafx.beans.value.ChangeListener;
import javafx.beans.value.ObservableValue;
import javafx.collections.ObservableList;
import javafx.event.Event;
import javafx.event.EventHandler;
import javafx.geometry.Insets;
import javafx.geometry.Point2D;
import javafx.scene.Cursor;
import javafx.scene.Node;
import javafx.scene.Scene;
import javafx.scene.control.CheckBox;
import javafx.scene.control.ComboBox;
import javafx.scene.control.Label;
import javafx.scene.control.ProgressIndicator;
import javafx.scene.control.ScrollPane;
import javafx.scene.control.TextArea;
import javafx.scene.control.Tooltip;
import javafx.scene.image.Image;
import javafx.scene.image.ImageView;
import javafx.scene.input.ClipboardContent;
import javafx.scene.input.DataFormat;
import javafx.scene.input.DragEvent;
import javafx.scene.input.Dragboard;
import javafx.scene.input.MouseEvent;
import javafx.scene.input.TransferMode;
import javafx.scene.layout.BorderPane;
import javafx.scene.layout.GridPane;
import javafx.scene.layout.HBox;
import javafx.scene.layout.Pane;
import javafx.scene.layout.Priority;
import javafx.scene.layout.VBox;
import javafx.scene.paint.Color;
import javafx.scene.shape.Line;
import javafx.stage.DirectoryChooser;
import javafx.stage.Stage;

/**
 * Main class of the application. Changes the views, commands the work and
 * manages the navigation
 * 
 * @author Bianca
 *
 */
public class UICoordinator implements ChangeListener<Boolean>
{
	/** Callback for interaction during the progressView**/
	private ChangeViewCallback cb;
	/** Scene of the application**/
	private Scene scene;
	/** The frame of the application**/
	private BorderPane frame;
	/** The name of the file containing the health data**/
	private String filename;
	/** The label for interaction with the drag and drop of the health data file **/
	private Label ddlabel;
	/** A label where text can be written (in the intro view) about the file not being correct **/
	private Label wrong_file;
	/** contains all data found in the health file to be displayed **/
	private VBox datalist;
	/** The stage of the application **/
	private Stage stage;
	/** Worker for all kinds of parsing**/
	private ParsingWrapper worker;
	/** Directory for saving the files which will be created**/
	private File dirForSaving;
	/** The filename of the file to be created **/
	private File fileForSaving;
	/** All files created in temp directory. Keys are the readable filenames**/
	private HashMap<String, File> filesInTempWithDesc;
	/** Checkbox for agreeing to the privacy policy (intro view)**/
	private CheckBox privAgree;
	/** count of elements selected in the overview**/
	private int selectCount = 0;
	/** The label for setting the filepath on where to save the created file **/
	private Label path;
	/** Handler which directs the user to the privacy view **/
	private EventHandler<MouseEvent> toPrivacyView;
	/** Host services of the system**/
	private HostServices hostServices;
	/** The job given by the user.**/
	private Occupation occupation;
	
	/** Text containing the information if files could not be written **/
	private String errorWritingFiles = "";

	// Navigation
	/** navigation element for the intro view**/
	private BorderPane start;
	/** navigation element for the overview view**/
	private BorderPane select;
	/** navigation element for the inspect view**/
	private BorderPane inspect;
	/** navigation element for the result view**/
	private BorderPane result;
	/** navigation element for the privacy view**/
	private BorderPane privacy;

	/**
	 * Constructor which initializes the scene. It creates and sets the first view,
	 * loads the stylesheet and creates the frame.
	 */
	public UICoordinator()
	{
		cb = new ChangeViewCallback(this);
		datalist = new VBox();
		datalist.setId("datalist");
		datalist.setBorder(Utils.darkBlueBorder);
		ddlabel = new Label(Text.SELECT_FILE);
		wrong_file = new Label();
		wrong_file.setId("error");

		frame = setUpFrame();
		scene = new Scene(frame, 800, 650);
		frame.minHeightProperty().bind(Bindings.createDoubleBinding(() -> scene.getHeight(), scene.heightProperty()));
		frame.minWidthProperty().bind(Bindings.createDoubleBinding(() -> scene.getWidth(), scene.widthProperty()));

		changeView(getIntroView());

		String css = this.getClass().getResource("style.css").toExternalForm();
		scene.getStylesheets().add(css);
	}

	/**
	 * Sets the attribute of the HostServices for this object
	 * @param hs the hostServices of the system
	 */
	public void setHostServices(HostServices hs)
	{
		this.hostServices = hs;
	}

	/**
	 * Method initializes the frame: sets title, logo and the navigation bar
	 * 
	 * @return initialized frame (left and top are frame)
	 */
	private BorderPane setUpFrame()
	{
		BorderPane frame = new BorderPane();
		frame.setId("frame");
		//header
		BorderPane header = new BorderPane();
		Label title = new Label(Text.TITLE);
		header.setCenter(title);
		ImageView logo = new ImageView(new Image(this.getClass().getResourceAsStream("RI_Logo_weiss_en.png")));
		logo.setFitWidth(172.2 * 1.5);	//these sizes are related to the image
		logo.setFitHeight(49.55 * 1.5);
		header.setLeft(logo);
		header.setId("frameheader");
		frame.setTop(header);

		
		//Navigation, labels on the right needed for tooltips
		VBox nav = new VBox();
		nav.setMinWidth(100);
		nav.setId("navigation");
		nav.setFillWidth(true);

		int buttonCount = 5;

		privacy = new BorderPane();
		privacy.minHeightProperty()
				.bind(Bindings.createDoubleBinding(() -> nav.getHeight() / buttonCount, nav.heightProperty()));
		ImageView dsgvoImage = new ImageView(new Image(this.getClass().getResourceAsStream("dsgvo.png")));
		privacy.setCenter(dsgvoImage);
		privacy.setRight(new Label());
		privacy.setUserData(Text.MENU_PRIVACY_POLICY);
		nav.getChildren().add(privacy);

		start = new BorderPane();
		ImageView startImage = new ImageView(new Image(this.getClass().getResourceAsStream("start2.png")));
		start.setCenter(startImage);
		start.minHeightProperty()
				.bind(Bindings.createDoubleBinding(() -> nav.getHeight() / buttonCount, nav.heightProperty()));
		start.setCenter(startImage);
		start.setRight(new Label());
		start.setUserData(Text.MENU_DATA_IMPORT);
		nav.getChildren().add(start);

		select = new BorderPane();
		select.minHeightProperty()
				.bind(Bindings.createDoubleBinding(() -> nav.getHeight() / buttonCount, nav.heightProperty()));
		ImageView selectImage = new ImageView(new Image(this.getClass().getResourceAsStream("select.png")));
		select.setCenter(selectImage);
		select.setRight(new Label());
		select.setUserData(Text.MENU_DATA_SELECTION);
		nav.getChildren().add(select);

		inspect = new BorderPane();
		inspect.minHeightProperty()
				.bind(Bindings.createDoubleBinding(() -> nav.getHeight() / buttonCount, nav.heightProperty()));
		ImageView inspectImage = new ImageView(new Image(this.getClass().getResourceAsStream("inspect.png")));
		inspect.setCenter(inspectImage);
		inspect.setRight(new Label());
		inspect.setUserData(Text.MENU_REVIEW);
		nav.getChildren().add(inspect);

		result = new BorderPane();
		result.minHeightProperty()
				.bind(Bindings.createDoubleBinding(() -> nav.getHeight() / buttonCount, nav.heightProperty()));
		ImageView resultImage = new ImageView(new Image(this.getClass().getResourceAsStream("result.png")));
		result.setCenter(resultImage);
		result.setRight(new Label());
		result.setUserData(Text.MENU_DATA_UPLOAD);
		nav.getChildren().add(result);

		frame.setLeft(nav);
		updateNav(NavState.INIT);

		//Footer
		BorderPane footer = new BorderPane();
		footer.setId("framefooter");
		footer.setCenter(new Label(Text.FOOTER_TEXT));
		frame.setBottom(footer);
		nav.minHeightProperty().bind(Bindings.createDoubleBinding(() -> frame.getHeight() - header.getHeight()
				- footer.getHeight() - Utils.darkBlueBorder.getInsets().getBottom() * 2, frame.heightProperty()));

		return frame;
	}

	/**
	 * Adjusts the navigation to the state wanted
	 * @param state new navigation state
	 */
	public void updateNav(NavState state)
	{
		//handlers which will be used more than once
		//those are handlers for going to these views the *first* time with the current data
		EventHandler<MouseEvent> toOverview = new EventHandler<MouseEvent>()
		{
			@Override
			public void handle(MouseEvent arg0)
			{
				changeView(getProgressView(Text.WIP_READING_FILE));
				WorkWhileProgressThread t = new WorkWhileProgressThread(cb, true);
				t.start();
			}
		};
		EventHandler<MouseEvent> toIntroView = new EventHandler<MouseEvent>()
		{
			@Override
			public void handle(MouseEvent arg0)
			{
				changeView(getIntroView());
				updateNav(NavState.INIT);
				if (filename == null)
				{
					ddlabel.setText(Text.SELECT_FILE);
				}
				else
				{
					ddlabel.setText(String.format(Text.FOUND_FILE, filename));
				}

			}
		};
		EventHandler<MouseEvent> toInspectView = new EventHandler<MouseEvent>()
		{
			@Override
			public void handle(MouseEvent arg0)
			{
				changeView(getProgressView(Text.WIP_CREATE_FILE));
				WorkWhileProgressThread t = new WorkWhileProgressThread(cb, false);
				t.start();
			}
		};
		EventHandler<MouseEvent> toResultView = new EventHandler<MouseEvent>()
		{
			@Override
			public void handle(MouseEvent arg0)
			{
				fileForSaving = worker.writeToZipFile(filesInTempWithDesc, dirForSaving);
				changeView(getResultView());
				updateNav(NavState.RESULT);
			}
		};
		toPrivacyView = new EventHandler<MouseEvent>()
		{
			@Override
			public void handle(MouseEvent arg0)
			{
				changeView(getPrivacyView());
				updateNav(NavState.PRIVACY_STATEMENT);
			}
		};
		//these handlers are used for returning to a previous state
		EventHandler<MouseEvent> returnToIntroView = new EventHandler<MouseEvent>()
		{
			@Override
			public void handle(MouseEvent arg0)
			{
				changeView(getIntroView());
				updateNav(NavState.IMPORT_GIVEN);
				privAgree.setSelected(true);
				ddlabel.setText(String.format(Text.FOUND_FILE, filename));
			}
		};
		EventHandler<MouseEvent> returnToOverview = new EventHandler<MouseEvent>()
		{
			@Override
			public void handle(MouseEvent event)
			{
				changeView(getOverviewView());
				updateNav(NavState.DATA_AND_PATH_SELECTED);
				path.setText(String.format(Text.F_SAVE_AT,dirForSaving.getAbsolutePath()));
			}
		};

		//always active
		setNavElemActive(privacy, toPrivacyView);

		if (state == NavState.PRIVACY_STATEMENT)
		{
			setNavElemSelected(privacy, toPrivacyView);
			setNavElemDeselected(start);
			setNavElemDeselected(select);
			setNavElemDeselected(inspect);
			setNavElemDeselected(result);
		}
		if (state == NavState.INIT)
		{
			//first statment for tooltip
			setNavElemActive(start, returnToIntroView);
			setNavElemSelected(start, toIntroView);
			setNavElemInactive(select);
			setNavElemInactive(inspect);
			setNavElemInactive(result);
		}
		if (state == NavState.IMPORT_GIVEN)
		{
			setNavElemSelected(start, returnToIntroView);
			setNavElemActive(select, toOverview);
			setNavElemInactive(inspect);
			setNavElemInactive(result);
		}
		if (state == NavState.SELECT_DATA)
		{
			setNavElemActive(start, returnToIntroView);
			setNavElemSelected(select, toOverview);
			setNavElemInactive(inspect);
			setNavElemInactive(result);
		}
		if (state == NavState.DATA_AND_PATH_SELECTED)
		{
			setNavElemActive(start, returnToIntroView);
			setNavElemSelected(select, returnToOverview);
			setNavElemActive(inspect, toInspectView);
			setNavElemInactive(result);
		}
		if (state == NavState.START_AGAIN)
		{
			setNavElemSelected(start, returnToIntroView);
			setNavElemDeselected(select);
			setNavElemDeselected(inspect);
			setNavElemDeselected(result);
		}
		if (state == NavState.INSPECT)
		{
			setNavElemActive(start, returnToIntroView);
			setNavElemActive(select, returnToOverview);
			setNavElemSelected(inspect, toInspectView);
			setNavElemActive(result, toResultView);
		}
		if (state == NavState.INSPECT_WITH_ERROR)
		{
			setNavElemActive(start, returnToIntroView);
			setNavElemActive(select, returnToOverview);
			setNavElemSelected(inspect, toInspectView);
			setNavElemDeselected(result);
		}
		if (state == NavState.RESULT)
		{
			setNavElemActive(start, returnToIntroView);
			setNavElemActive(select, returnToOverview);
			setNavElemActive(inspect, toInspectView);
			setNavElemSelected(result, toResultView);
		}
	}

	/**
	 * Sets a navigation element to be active. That makes it clickable.
	 * @param element Element to be set active
	 * @param onClick action to be done when it is clicked.
	 */
	private void setNavElemActive(BorderPane element, EventHandler<MouseEvent> onClick)
	{
		element.setBackground(Backgrounds.darkBlueBackground);
		element.setBorder(null);
		Tooltip tooltip = new Tooltip(element.getUserData().toString());
		element.setOnMouseEntered(new EventHandler<MouseEvent>()
		{
			@Override
			public void handle(MouseEvent event)
			{
				Point2D p = element.localToScreen(element.getLayoutBounds().getMaxX(),
						element.getLayoutBounds().getMinY());
				((Label)element.getRight()).setTooltip(tooltip);
				tooltip.show(((Label)element.getRight()), p.getX(), p.getY());
				tooltip.setAutoHide(true);
				}
		});
		element.setOnMouseExited(new EventHandler<MouseEvent>()
		{
			@Override
			public void handle(MouseEvent event)
			{
				tooltip.hide();
				}
		});
		
		element.setOnMouseClicked(onClick);
	}

	/**
	 * Sets a navigation element as inactive
	 * @param element the element which will be inactive
	 */
	private void setNavElemInactive(BorderPane element)
	{
		element.setBackground(Backgrounds.greyBackground);
		element.setOnMouseEntered(null);
		element.setBorder(null);
		element.setOnMouseClicked(null);
	}

	/**
	 * Selects a navigation element. It indicates the currently active view
	 * @param element Navigation element to be selected
	 * @param onClick Handler which should be executed in case it was clicked on
	 */
	private void setNavElemSelected(BorderPane element, EventHandler<MouseEvent> onClick)
	{
		element.setBackground(Backgrounds.darkBlueBackground);
		element.setBorder(Utils.redBorder);
		element.setOnMouseClicked(onClick);
	}

	/**
	 * Deselects a navigation element
	 * @param element the element to be deselected
	 */
	private void setNavElemDeselected(BorderPane element)
	{
		element.setBorder(null);
	}

	/**
	 * Initialized the stage
	 * @param stage
	 */
	public void setStage(Stage stage)
	{
		this.stage = stage;
		stage.setScene(scene);
		stage.setTitle(Text.TITLE);
		stage.getIcons().add(new Image(this.getClass().getResourceAsStream("RI_Logo_blau_en_short.png")));
		stage.show();

	}

	/**
	 * Switches the displayed view (always in a ScrollPane)
	 * @param view The new view to be shown
	 */
	public void changeView(Pane view)
	{
		ScrollPane scroll = new ScrollPane();
		scroll.setContent(view);
		scroll.setId("scroll");
		frame.setCenter(scroll);
		scroll.getStyleClass().add("edge-to-edge");
		view.minWidthProperty()
				.bind(Bindings.createDoubleBinding(() -> frame.getCenter().minWidth(0), frame.widthProperty()));
		scroll.setFitToWidth(true);
	}

	/**
	 * Returns the scene
	 * @return the described value
	 */
	public Scene getScene()
	{
		return scene;
	}

	/**
	 * Creates the first view which is shown after starting the application. It
	 * allows the user to insert a health file and check the privacy policy
	 * 
	 * @return the created view
	 */
	private VBox getIntroView()
	{
		VBox container = new VBox();
		container.setId("container");

		container.getChildren().add(new Label(Text.MAIN_INFO));
		Label appleLink = new Label(Text.APPLE_LINK_EXPORT);
		container.getChildren().add(appleLink);
		appleLink.setTextFill(Colors.grey);
		appleLink.setOnMouseEntered(new EventHandler<Event>()
		{
			@Override
			public void handle(Event event)
			{
				appleLink.setTextFill(Colors.blue);
			}
		});
		appleLink.setOnMouseExited(new EventHandler<Event>()
		{
			@Override
			public void handle(Event event)
			{
				appleLink.setTextFill(Colors.grey);
			}
		});
		appleLink.setOnMouseClicked(new EventHandler<Event>()
		{
			@Override
			public void handle(Event event)
			{
				try
				{
					hostServices.showDocument(new URL(Text.APPLE_LINK_EXPORT).toExternalForm());
				}
				catch (MalformedURLException e)
				{
					//do nth
				}
				
			}
		});
		
		//Allow drag and drop for the health file
		HBox ddTarget = new HBox();
		ddTarget.setId("ddTarget");
		ddlabel.setId("ddLabel");
		ddTarget.minWidthProperty()
				.bind(Bindings.createDoubleBinding(() -> container.getWidth(), container.widthProperty()));
		ddlabel.minWidthProperty()
				.bind(Bindings.createDoubleBinding(() -> ddTarget.getWidth(), ddTarget.widthProperty()));

		ddTarget.getChildren().add(ddlabel);
		ddTarget.setOnDragOver(new EventHandler<DragEvent>()
		{
			@Override
			public void handle(DragEvent event)
			{
				if (event.getGestureSource() != ddTarget && event.getDragboard().hasFiles())
				{
					event.acceptTransferModes(TransferMode.COPY_OR_MOVE);
				}
				event.consume();
			}
		});
		ddTarget.setOnDragDropped(new EventHandler<DragEvent>()
		{
			@Override
			public void handle(DragEvent event)
			{
				Dragboard db = event.getDragboard();
				boolean success = false;
				if (db.hasFiles())
				{
					filename = db.getFiles().toString().replace("[", "").replace("]", "");
					ddlabel.setText(String.format(Text.FOUND_FILE, filename));
					checkFile(filename);
					success = true;
				}
				event.setDropCompleted(success);
				event.consume();
			}
		});
		container.getChildren().add(ddTarget);
		container.getChildren().add(wrong_file);

		//check privacy policy
		privAgree = new CheckBox();
		privAgree.setText(Text.PRIVACY_STATEMENT_ACCEPTED);
		privAgree.setWrapText(true);
		privAgree.selectedProperty().addListener(new ChangeListener<Boolean>()
		{
			@Override
			public void changed(ObservableValue<? extends Boolean> observable, Boolean oldValue, Boolean newValue)
			{
				checkFile(filename);
			}
		});
		privAgree.minWidthProperty()
				.bind(Bindings.createDoubleBinding(() -> container.getWidth(), container.widthProperty()));
		container.getChildren().add(privAgree);

		//Button to be directed to the privacy view
		HBox gotToPrivacyView = new HBox();
		gotToPrivacyView.setPrefHeight(50);
		gotToPrivacyView.setId("goToPriv");
		BorderPane button = new BorderPane();
		button.setCenter(new Label(Text.GO_TO_PRIVACY_STATEMENT));
		button.setOnMouseClicked(toPrivacyView);
		button.setId("goToPrivButton");

		gotToPrivacyView.getChildren().addAll(button);
		HBox.setHgrow(button, Priority.ALWAYS);
		container.getChildren().add(gotToPrivacyView);
		return container;
	}

	/**
	 * checks on a superficial level whether the input health file is correct
	 * (fileType) and adjusts the navigation
	 * 
	 * @param filename Filename to check
	 */
	private void checkFile(String filename)
	{
		if (filename != null && (filename.endsWith(".xml") || filename.endsWith(".zip")))
		{
			if (privAgree.isSelected())
			{
				updateNav(NavState.IMPORT_GIVEN);

			}
			else
			{
				updateNav(NavState.INIT);
			}
			wrong_file.setText("");
		}
		else if (filename != null)
		{
			updateNav(NavState.INIT);
			wrong_file.setText(Text.NO_VALID_FILE);
		}
	}

	/**
	 * Creates a progress view to be shown when the application needs some time
	 * working
	 * 
	 * @param text Text to be displayed in the view
	 * @return the created view
	 */
	public VBox getProgressView(String text)
	{
		VBox container = new VBox();
		container.setId("container");

		Label l = new Label(text);
		container.getChildren().add(l);

		ProgressIndicator PI = new ProgressIndicator();
		container.getChildren().add(PI);
		return container;
	}

	/**
	 * This creates the third view which shows the created files in temp dir and
	 * allows the user to inspect them. Don't change any widths and heights here!!!
	 * 
	 * @return the created view
	 */
	public VBox getInspectView()
	{
		VBox container = new VBox();
		container.setId("container");
		container.setPadding(new Insets(0, 0, 5, 0));

		Label l = new Label(Text.PLEASE_INSPECT);
		container.getChildren().add(l);

		GridPane files = new GridPane();
		files.setBorder(Utils.darkBlueBorder);
		int oneFileViewWidth = FileView.WIDTH;
		int filesBorderWidth = (int) (files.getBorder().getInsets().getLeft()
				+ files.getBorder().getInsets().getRight());

		container.getChildren().add(files);
		files.maxWidthProperty().bind(Bindings.createDoubleBinding(() ->
		// windowWidth - (border*2) = width for fileViews
		// floor(width for fileViews/Fileview.width) = number of possible views
		// number of possible views*FileView.width = needed width for fileViews
		// needed width for fileViews+ borders = complete width
		(Math.floor((container.getWidth() - filesBorderWidth) / oneFileViewWidth) * oneFileViewWidth)
				// borders of the FlowPane
				+ filesBorderWidth, container.widthProperty()));

		// if the container width changes, the number of views should also change
		container.widthProperty().addListener(new ChangeListener<Number>()
		{
			@Override
			public void changed(ObservableValue<? extends Number> observable, Number oldValue, Number newValue)
			{
				int oneFileViewWidth = FileView.WIDTH;
				int filesBorderWidth = (int) (files.getBorder().getInsets().getLeft()
						+ files.getBorder().getInsets().getRight());

				int col = 0;
				int row = 0;
				int colElems = (int) ((container.getWidth() - filesBorderWidth) / oneFileViewWidth);
				if (filesInTempWithDesc != null)
				{
					files.getChildren().clear();
					for (String desc : filesInTempWithDesc.keySet())
					{
						files.add(new FileView(filesInTempWithDesc.get(desc), desc, hostServices), col, row);
						col++;
						if (col == colElems)
						{
							row++;
							col = 0;
						}
					}
				}
				else
				{
					files.getChildren().add(new Label(errorWritingFiles));
				}

			}
		});
		return container;
	}

	/**
	 * Creates the second view which contains all the information of the health data
	 * 
	 * @return created view
	 */
	public VBox getOverviewView()
	{
		VBox container = new VBox();
		container.setId("container");

//		Label selectText = new Label(Text.SELECT_CATEGORIES);
//		container.getChildren().add(selectText);
//		
		container.getChildren().add(new Label(Text.SELECT_INTRO));
	
		// input the job
		container.getChildren().add(getJobSelection(container));

		// View for clicking and setting the path for saving the resulting data
		BorderPane selectSavePath = new BorderPane();
		String currentUsersHomeDir = System.getProperty("user.home");
		dirForSaving= new File(currentUsersHomeDir);
		path = new Label(String.format(Text.F_LABEL_SAVE_PATH, currentUsersHomeDir));
		
		selectSavePath.setCenter(path);
		path.minWidthProperty()
				.bind(Bindings.createDoubleBinding(() -> container.getWidth(), container.widthProperty()));
		path.setOnMouseClicked(new EventHandler<MouseEvent>()
		{
			@Override
			public void handle(MouseEvent event)
			{
				DirectoryChooser dirChooser = new DirectoryChooser();
				dirChooser.setTitle("Save Data");
				File var = dirChooser.showDialog(stage);

				if (var != null)
				{
					dirForSaving = var;
					path.setText(String.format(Text.F_SAVE_AT, dirForSaving.getPath()));
					if (selectCount > 0)
					{
						updateNav(NavState.DATA_AND_PATH_SELECTED);
					}
				}
			}

		});
		path.setOnMouseEntered(new EventHandler<Event>()
		{
			@Override
			public void handle(Event event)
			{
				path.setTextFill(Colors.blue);
			}
		});
		path.setOnMouseExited(new EventHandler<Event>()
		{
			@Override
			public void handle(Event event)
			{
				path.setTextFill(Color.BLACK);
			}
		});
		container.getChildren().add(selectSavePath);
		

		container.getChildren().add(new Label(Text.SELECT_HOW_TO));
		
		// These are the buttons to help selection
		HBox selectButtons = new HBox();
		VBox.setVgrow(selectButtons, Priority.ALWAYS);
		selectButtons.setId("selectButtons");
	
		BorderPane selectAll = new BorderPane();
		selectAll.setCenter(new Label(Text.SELECT_ALL));
		selectAll.setOnMouseClicked(new EventHandler<MouseEvent>()
		{
			@Override
			public void handle(MouseEvent arg0)
			{
				for (Node n : datalist.getChildren())
				{
					if (n instanceof EntryView)
					{
						EntryView i = (EntryView) n;
						i.setSelected(true, true);

					}
				}
			}
		});
		
		BorderPane deselectAll = new BorderPane();
		deselectAll.setCenter(new Label(Text.DESELECT_ALL));
		deselectAll.setOnMouseClicked(new EventHandler<MouseEvent>()
		{
			@Override
			public void handle(MouseEvent arg0)
			{
				updateNav(NavState.SELECT_DATA);
				for (Node n : datalist.getChildren())
				{
					if (n instanceof EntryView)
					{
						EntryView i = (EntryView) n;
						i.setSelected(false, true);
					}
				}
			}
		});
		
		BorderPane selectCurrentResearchMinimum = new BorderPane();
		Label l = new Label(Text.SELECT_BASIC_FIELD_OF_INTEREST);
		l.setWrapText(true);
		
		selectCurrentResearchMinimum.minHeightProperty()
			.bind(Bindings.createDoubleBinding(() -> l.getMaxHeight(), l.maxHeightProperty()));
		selectCurrentResearchMinimum.maxHeightProperty()
			.bind(Bindings.createDoubleBinding(() -> l.getMaxHeight(), l.maxHeightProperty()));
		selectCurrentResearchMinimum.minWidthProperty()
			.bind(Bindings.createDoubleBinding(() -> l.getWidth(), l.widthProperty()));
		
		selectCurrentResearchMinimum.setCenter(l);
		selectCurrentResearchMinimum.setOnMouseClicked(new EventHandler<MouseEvent>()
		{
			@Override
			public void handle(MouseEvent arg0)
			{
				for (Node n : datalist.getChildren())
				{
					if (n instanceof EntryView)
					{
						EntryView i = (EntryView) n;
						i.setSelected(false, true);
					}
				}
				for (Node n : datalist.getChildren())
				{
					if (n instanceof EntryView)
					{
						EntryView i = (EntryView) n;
						// Top level
						// biologicalSex, regionCode
						if (i.getEntryType().equals(EntryType.BIOLOGICAL_SEX)
								|| i.getEntryType().equals(EntryType.REGION_CODE))
						{
							i.setSelected(true, true);
						}
						// sub elements
						// year of birth, stepCount,
						if (i.getEntryType().equals(EntryType.DATE_OF_BIRTH))
						{
							i.selectSubelement(Text.YEAR);
						}
						if (i.getEntryType().equals(EntryType.RECORD))
						{
							i.selectSubelement("StepCount");
						}
					}
				}
			}
		});

		BorderPane selectCurrentResearchAdvanced = new BorderPane();
		Label lAdvanced = new Label(Text.SELECT_ADVANCED_FIELD_OF_INTEREST);
		lAdvanced.setWrapText(true);
		selectCurrentResearchAdvanced.minWidthProperty()
			.bind(Bindings.createDoubleBinding(() -> lAdvanced.getWidth(), lAdvanced.widthProperty()));
		selectCurrentResearchAdvanced.setCenter(lAdvanced);
		selectCurrentResearchAdvanced.setOnMouseClicked(new EventHandler<MouseEvent>()
		{
			@Override
			public void handle(MouseEvent arg0)
			{
				for (Node n : datalist.getChildren())
				{
					if (n instanceof EntryView)
					{
						EntryView i = (EntryView) n;
						i.setSelected(false, true);
					}
				}
				for (Node n : datalist.getChildren())
				{
					if (n instanceof EntryView)
					{
						EntryView i = (EntryView) n;
						// Top level
						if (i.getEntryType().equals(EntryType.BIOLOGICAL_SEX)
								|| i.getEntryType().equals(EntryType.REGION_CODE))
						{
							i.setSelected(true, true);
						}
						// sub elements
						if (i.getEntryType().equals(EntryType.DATE_OF_BIRTH))
						{
							i.selectSubelement(Text.YEAR);
						}
						if (i.getEntryType().equals(EntryType.RECORD))
						{
							i.selectSubelement("StepCount");
							i.selectSubelement("RestingHeartRate");
							i.selectSubelement("BodyMass");
							i.selectSubelement("Height");
							i.selectSubelement("RespiratoryRate");
							i.selectSubelement("SwimmingStrokeCount");
							i.selectSubelement("DistanceSwimming");
							i.selectSubelement("SleepAnalysis");
							i.selectSubelement("DistanceWalkingRunning");
							i.selectSubelement("HeartRate");
							i.selectSubelement("DistanceCycling");
							i.selectSubelement("HeartRateVariabilitySDNN");
						}
						if (i.getEntryType().equals(EntryType.WORKOUT))
						{
							i.selectSubelement("Cycling");
							i.selectSubelement("Walking");
							i.selectSubelement("Running");
							i.selectSubelement("Swimming");
						}
					}
				}
			}
		});
		
		
		selectButtons.getChildren().addAll(selectAll, selectCurrentResearchAdvanced, selectCurrentResearchMinimum,deselectAll);
		//-30 here needed because of padding and spacing etc.
		selectAll.minWidthProperty()
			.bind(Bindings.createDoubleBinding(() ->(selectButtons.getWidth()-30)/4, selectButtons.widthProperty()));
		deselectAll.minWidthProperty()
			.bind(Bindings.createDoubleBinding(() ->(selectButtons.getWidth()-30)/4, selectButtons.widthProperty()));
		selectCurrentResearchAdvanced.minWidthProperty()
			.bind(Bindings.createDoubleBinding(() ->(selectButtons.getWidth()-30)/4, selectButtons.widthProperty()));
		selectCurrentResearchMinimum.minWidthProperty()
			.bind(Bindings.createDoubleBinding(() ->(selectButtons.getWidth()-30)/4, selectButtons.widthProperty()));

		//Fix for apple: boxes are too big on init without this
		selectAll.maxHeightProperty()
			.bind(Bindings.createDoubleBinding(() ->80.0, selectAll.heightProperty()));
		selectCurrentResearchMinimum.maxHeightProperty()
			.bind(Bindings.createDoubleBinding(() ->80.0, selectCurrentResearchMinimum.heightProperty()));
		selectCurrentResearchAdvanced.maxHeightProperty()
			.bind(Bindings.createDoubleBinding(() ->80.0, selectCurrentResearchAdvanced.heightProperty()));
		deselectAll.maxHeightProperty()
			.bind(Bindings.createDoubleBinding(() ->80.0, deselectAll.heightProperty()));
		
		container.getChildren().add(selectButtons);
		deselectAll.requestFocus();
		
		
		// Here is the data, but its only drawn here. Loading of the data is done
		// somewhere else
		BorderPane datacontainer = new BorderPane();
		datacontainer.setPadding(new Insets(5));
		datacontainer.setId("datacontainer");
		datacontainer.setCenter(datalist);
		container.getChildren().add(datacontainer);
		datacontainer.minWidthProperty()
				.bind(Bindings.createDoubleBinding(() -> container.getWidth(), container.widthProperty()));
		datacontainer.maxWidthProperty()
				.bind(Bindings.createDoubleBinding(() -> container.getWidth(), container.widthProperty()));
		datalist.minWidthProperty()
				.bind(Bindings.createDoubleBinding(() -> container.getWidth(), container.widthProperty()));
		datalist.maxWidthProperty()
				.bind(Bindings.createDoubleBinding(() -> container.getWidth(), container.widthProperty()));


		return container;
	}
	
	
	/**
	 * Returns the matching occupation list from {@link Occupations}, inserts 
	 * {@code Text.NOT_SET} and selects a subset from the prefix (if level >2)
	 * @param prefix The prefix of the string (number combination) 
	 * 		to define the subset. The code of the super group.
	 * @return The described value, {@code null} if value < 0 or > 4
	 */
	private ObservableList<String> getOccupationList( String prefix)
	{
		Predicate<String> prefixPred = new Predicate<String>()
		{
			@Override
			public boolean test(String t)
			{
				return t.startsWith(prefix)||t.equals(Text.NOT_SET);
			}
		};
		
		if(prefix.length()==0)
		{
			return Occupations.JOBS_LEVEL_1;
		}
		else if(prefix.length()==1)
		{
			return Occupations.JOBS_LEVEL_2.filtered(prefixPred);
		}
		else if(prefix.length()==2)
		{
			return Occupations.JOBS_LEVEL_3.filtered(prefixPred);
		}
		else if(prefix.length()==3)
		{
			return Occupations.JOBS_LEVEL_4.filtered(prefixPred);
		}
		return null;
	}
	
	/**
	 * This method creates a styled comboBox for the occupations
	 * @param container For the width binding
	 * @return the created comboBox
	 */
	private ComboBox<String> getComboBox(Pane container)
	{
		ComboBox<String> box= new ComboBox<>();
		box.setDisable(true);
		box.setBackground(Backgrounds.lightGreyBackground);
		box.minWidthProperty()
			.bind(Bindings.createDoubleBinding(() -> container.getWidth()-(2*container.getBorder().getInsets().getRight()), container.widthProperty()));
		box.maxWidthProperty()
			.bind(Bindings.createDoubleBinding(() -> container.getWidth()-(2*container.getBorder().getInsets().getRight()), container.widthProperty()));

		return box;
	}

	/**
	 * Method creates and prepares the dropdown selections for the jobs.
	 * @param container Container for binding the width to
	 * @return A pane containing the dropdowns and info texts
	 */
	private Pane getJobSelection(Pane container)
	{
		Label addJob = new Label(Text.ADD_JOB);
		VBox comboContainer = new VBox();
		comboContainer.setBorder(Utils.darkBlueBorder);
		ComboBox<String> levelOne = getComboBox(comboContainer);
		ComboBox<String> levelTwo = getComboBox(comboContainer);
		ComboBox<String> levelThree = getComboBox(comboContainer);
		ComboBox<String> levelFour = getComboBox(comboContainer);
	
		levelOne.setItems(getOccupationList(""));
		levelOne.setDisable(false);
		levelOne.setValue(Text.NOT_SET); 
		occupation= new Occupation(Text.NOT_SET);

		
		levelOne.valueProperty().addListener(new ChangeListener<String>()
		{
			@Override
			public void changed(ObservableValue<? extends String> observable, String oldValue, String newValue)
			{
				occupation.setLevelOne(newValue);
				if(newValue.equals(Text.NOT_SET))
				{
					levelTwo.setDisable(true);
					occupation.setLevelTwo(null);
					levelTwo.setItems(null);
				}
				else
				{
					String prefix = ""+newValue.charAt(0);
					levelTwo.setItems(getOccupationList(prefix));
					levelTwo.setDisable(false);					
					levelTwo.setValue(Text.NOT_SET); 
				}
			}
		});
		
		levelTwo.valueProperty().addListener(new ChangeListener<String>()
		{
			@Override
			public void changed(ObservableValue<? extends String> observable, String oldValue, String newValue)
			{
				occupation.setLevelTwo(newValue);
				if(newValue==null ||newValue.equals(Text.NOT_SET))
				{
					levelThree.setItems(null);
					occupation.setLevelThree(null);
					levelThree.setDisable(true);
				}
				else
				{
					String prefix = ""+newValue.substring(0,2);
					levelThree.setItems(getOccupationList( prefix));
					levelThree.setDisable(false);					
					levelThree.setValue(Text.NOT_SET); 
				}
			}
		});

		levelThree.valueProperty().addListener(new ChangeListener<String>()
		{
			@Override
			public void changed(ObservableValue<? extends String> observable, String oldValue, String newValue)
			{
				occupation.setLevelThree(newValue);
				if(newValue==null ||newValue.equals(Text.NOT_SET))
				{
					occupation.setLevelFour(null);
					levelFour.setItems(null);
					levelFour.setDisable(true);
				}
				else
				{
					String prefix = newValue.substring(0,3);
					levelFour.setItems(getOccupationList( prefix));
					levelFour.setDisable(false);					
					levelFour.setValue(Text.NOT_SET); 
				}
			}
		});

		levelFour.valueProperty().addListener(new ChangeListener<String>(){

			@Override
			public void changed(ObservableValue<? extends String> observable, String oldValue, String newValue)
			{	
				occupation.setLevelFour(newValue);
				
			}});
		
		comboContainer.getChildren().add(levelOne);
		comboContainer.getChildren().add(levelTwo);
		comboContainer.getChildren().add(levelThree);
		comboContainer.getChildren().add(levelFour);

		HBox jobInfo = new HBox();
		jobInfo.setId("jobInfo");
		jobInfo.minWidthProperty()
				.bind(Bindings.createDoubleBinding(() -> container.getWidth(), container.widthProperty()));
		jobInfo.maxWidthProperty()
			.bind(Bindings.createDoubleBinding(() -> container.getWidth(), container.widthProperty()));
		jobInfo.maxHeightProperty()
			.bind(Bindings.createDoubleBinding(() -> jobInfo.getPrefHeight(), jobInfo.prefHeightProperty()));
	
		comboContainer.minHeightProperty()
				.bind(Bindings.createDoubleBinding(() -> addJob.getHeight(), addJob.heightProperty()));

		addJob.maxWidthProperty()
			.bind(Bindings.createDoubleBinding(() -> container.getWidth()/2, container.widthProperty()));

		HBox.setHgrow(comboContainer,Priority.ALWAYS);
		jobInfo.getChildren().add(comboContainer);
		jobInfo.getChildren().add(addJob);
		
//		VBox occupationSelection = new VBox();
//		occupationSelection.setBorder(Utils.darkBlueBorder);
//		occupationSelection.getChildren().add(jobInfo);
//		occupationSelection.getChildren().add(new OccupationSelectionView(1, getOccupationList("")));
		return jobInfo;
	}
	
	/**
	 * The health data file is read and the overview of all found data is included
	 * in the datalist
	 * 
	 * @throws WrappedException if the file coulnd't be read
	 */
	public void fillDataList() throws WrappedException
	{
		datalist.getChildren().clear();
		File file;
		if (filename.contains(".zip"))
		{ // a zip file can't be read just like this and so the containing file needs to
			// be copied into temp
			try
			{
				ZipFile f = new ZipFile(filename);
				String xmlFileName = "apple_health_export/Export.xml";
				file = Files.createTempFile("health_data", "__Export.xml").toFile();
				file.deleteOnExit();
				ZipEntry xml = f.getEntry(xmlFileName);
				if (xml == null)
				{
					xml = f.getEntry(xmlFileName.toLowerCase());
				}
				try (BufferedInputStream is = new BufferedInputStream(f.getInputStream(xml));
						BufferedOutputStream out = new BufferedOutputStream(new FileOutputStream(file)))
				{
					byte[] b = new byte[1024];
					int res = is.read(b);
					while (res > -1)
					{
						out.write(b, 0, res);
						res = is.read(b);
					}
				}
				f.close();
			}
			catch (Exception e)
			{
				// The zip-File couldn't be read, maybe it was the wrong file or error
				throw new WrappedException(e, Text.E_READ_ZIP_FILE);
			}
		}
		else
		{
			file = new File(filename);
		}
		try
		{
			worker = new ParsingWrapper(file);
		}
		catch (Exception e)
		{
			throw new WrappedException(e, Text.E_READ_XML_FILE);
		}
		ReadHandler read = worker.getRead();
		// an EntryView is created per EntryType (ME)
		for (EntryType type : EntryType.ALL_ME_ONES)
		{
			EntryView ev;
			if (type.equals(EntryType.EXPORT_DATE))
			{
				ev = new EntryView(new Element(type, read.getExportDate()));
			}
			else if (type.equals(EntryType.REGION_CODE))
			{
				ev = new EntryView(new Element(type, read.getRegionCode()));
			}
			else if (type == EntryType.DATE_OF_BIRTH)
			{
				String value = read.getDateOfBirth();
				if (value == null || value.equals("") || value.equals(Text.NOT_SET))
				{ // Don't add an element when there is no data given
					continue;
				}
				ev = new EntryView(new Element(type, read.getDateOfBirth()), read.getSplitDateOfBirth());
			}
			else
			{
				String value = read.getMeInfo(type);
				if (value == null || value.equals("") || value.equals(Text.NOT_SET))
				{ // Don't add an element when there is no data given
					continue;
				}
				ev = new EntryView(new Element(type, value));
			}
			ev.maxWidthProperty()
					.bind(Bindings.createDoubleBinding(
							() -> datalist.getWidth() - datalist.getBorder().getInsets().getRight() * 2,
							datalist.widthProperty()));
			ev.minWidthProperty()
					.bind(Bindings.createDoubleBinding(
							() -> datalist.getWidth() - datalist.getBorder().getInsets().getRight() * 2,
							datalist.widthProperty()));

			datalist.getChildren().add(ev);
			datalist.getChildren().add(getSeparator(datalist));
			ev.addCheckListener(this);
		}

		// an EntryView is created per EntryType (not ME)
		for (EntryType type : EntryType.ALL_SEPARATE_ONES)
		{
			int n = read.getTypeNumber(type);
			if (n > 0)
			{
				EntryView ev;
				if (type == EntryType.WORKOUT)
				{
					ev = new EntryView(new Element(type, n + ""), read.getSubWorkouts());
				}
				else if (type == EntryType.RECORD)
				{
					ev = new EntryView(new Element(type, n + ""), read.getSubRecords());
				}
				else
				{
					ev = new EntryView(new Element(type, n + ""));
				}
				ev.addCheckListener(this);
				ev.maxWidthProperty()
						.bind(Bindings.createDoubleBinding(
								() -> datalist.getWidth() - datalist.getBorder().getInsets().getRight() * 2,
								datalist.widthProperty()));
				ev.minWidthProperty()
						.bind(Bindings.createDoubleBinding(
								() -> datalist.getWidth() - datalist.getBorder().getInsets().getRight() * 2,
								datalist.widthProperty()));

				datalist.getChildren().add(ev);
				datalist.getChildren().add(getSeparator(datalist));
			}
		}
		if (datalist.getChildren().size() > 0) // something inside, so there is a separator too much
		{
			datalist.getChildren().remove(datalist.getChildren().size() - 1);
		}
	}

	/**
	 * Used to display in the overview when the initial health file couldn't be
	 * read. Consists of a BorderPane with a text in its center
	 * 
	 * @param text Text to be displayed
	 * @return the created BorderPane
	 */
	private BorderPane getEmptyFileView(String text)
	{
		BorderPane p = new BorderPane();
		p.setCenter(new Label(text));
		return p;
	}

	/**
	 * In case there was an error reading the inital health file, the overview will
	 * only show an information text regarding the error
	 * 
	 * @param text Text to be displayed
	 */
	public void setErrorReadingFile(String text)
	{
		datalist.getChildren().add(getEmptyFileView(text));
	}

	/**
	 * Saves the error which occurred when the temp files are created
	 * 
	 * @param text Details on why it didn't work
	 */
	public void setErrorWritingTempFiles(String text)
	{
		filesInTempWithDesc = null;
		errorWritingFiles = text;
	}

	/**
	 * Creates a horizontal separator line to be used in lists
	 * 
	 * @param toBind The view it should be bound to (length wise)
	 * @return The created separator
	 */
	private BorderPane getSeparator(Pane toBind)
	{
		BorderPane p = new BorderPane();
		Line line = new Line();
		line.setStartX(0);
		line.setStartY(0);
		line.setEndY(0);
		line.endXProperty().bind(Bindings.createDoubleBinding(
				() -> toBind.getWidth() - toBind.getBorder().getInsets().getRight() * 2, toBind.widthProperty()));
		line.setStroke(Colors.darkGrey);
		p.setCenter(line);
		return p;
	}

	/**
	 * Creates the last view showing the overview of all saved data and the help to
	 * upload the created zip file
	 **/
	public VBox getResultView()
	{
		VBox container = new VBox();
		container.setId("container");

		Label done = new Label(Text.SUCCESS);
		container.getChildren().add(done);

		// buttons for easier access to nextcloud
		HBox nextcloudHelp = new HBox();
		nextcloudHelp.setId("nextcloudHelp");
		nextcloudHelp.minWidthProperty()
				.bind(Bindings.createDoubleBinding(() -> container.getWidth(), container.widthProperty()));

		// open in browser
		BorderPane goToNextcloud = new BorderPane();
		goToNextcloud.setId("goToNextcloud");
		Label nextcloudText = new Label(Text.NEXTCLOUD);
		goToNextcloud.setCenter(nextcloudText);
		goToNextcloud.setLeft(new ImageView(
						new Image(this.getClass().
								getResourceAsStream("internet.png"),64.0,64.0, true, true)));
		goToNextcloud.setOnMouseClicked(new EventHandler<MouseEvent>()
		{ // open in browser if possible
			@Override
			public void handle(MouseEvent arg0)
			{
				try
				{
					hostServices.showDocument(new URL(Text.NEXTCLOUD_ADDRESS).toExternalForm());
				}
				catch (MalformedURLException e)
				{ // otherwise do nothing
					
				}
			}
		});
		nextcloudHelp.getChildren().add(goToNextcloud);

		List<File> clipboardFiles = new ArrayList<>();
		clipboardFiles.add(fileForSaving);

		// copy filepath to clipboard
		BorderPane showInFileBrowser = new BorderPane();
		showInFileBrowser.setId("openFileInFileBrowser");
		Label openInFileBrowserText = new Label(Text.OPEN_FILE_IN_BROWSER);
		showInFileBrowser.setCenter(openInFileBrowserText);
		showInFileBrowser.setLeft(new ImageView(
						new Image(this.getClass().
								getResourceAsStream("filepath.png"),64.0,64.0, true, true)));
		showInFileBrowser.setOnMouseClicked(new EventHandler<MouseEvent>()
		{
			@Override
			public void handle(MouseEvent arg0)
			{				
				hostServices.showDocument(fileForSaving.getParent());

			}
		});
	
		// drag file to browser
		BorderPane dragToNextcloud = new BorderPane();
		dragToNextcloud.setId("dragToServer");
		dragToNextcloud.setCenter(new Label(Text.DRAG_FILE));
		dragToNextcloud.setLeft(new ImageView(
						new Image(this.getClass().
								getResourceAsStream("archive.png"),64.0,64.0, true, true)));
		dragToNextcloud.setOnMouseEntered(new EventHandler<MouseEvent>()
		{
			@Override
			public void handle(MouseEvent event)
			{
				scene.setCursor(Cursor.OPEN_HAND);
			}
		});
		dragToNextcloud.setOnMouseExited(new EventHandler<MouseEvent>()
		{
			@Override
			public void handle(MouseEvent event)
			{
				scene.setCursor(Cursor.DEFAULT);
			}
		});
		dragToNextcloud.setOnDragDetected(new EventHandler<MouseEvent>()
		{
			@Override
			public void handle(MouseEvent event)
			{
				/* drag was detected, start a drag-and-drop gesture */
				/* allow any transfer mode */
				Dragboard db = dragToNextcloud.startDragAndDrop(TransferMode.ANY);

				/* Put a string on a dragboard */
				ClipboardContent content = new ClipboardContent();
				content.put(DataFormat.FILES, clipboardFiles);
				// content.putString(source.getText());
				db.setContent(content);

				event.consume();
			}
		});
		
		HBox.setHgrow(showInFileBrowser, Priority.ALWAYS);
		HBox.setHgrow(dragToNextcloud, Priority.ALWAYS);
		HBox.setHgrow(goToNextcloud, Priority.ALWAYS);
		nextcloudHelp.getChildren().add(dragToNextcloud);
		nextcloudHelp.getChildren().add(showInFileBrowser);
		container.getChildren().add(nextcloudHelp);

		TextArea copyable = new TextArea(String.format(Text.F_RAW_UPLOAD_DATA, fileForSaving.getAbsolutePath(),Text.NEXTCLOUD_ADDRESS));
        copyable.setEditable(false);
        copyable.setWrapText(true); 
        copyable.setId("buttonProblems");
        copyable.setFocusTraversable(false);
        copyable.setPrefHeight(70);
        container.getChildren().add(copyable); 
        
		// table to show all saved data
		VBox overview = new VBox();
		overview.minWidthProperty()
				.bind(Bindings.createDoubleBinding(() -> container.getWidth(), container.widthProperty()));
		container.getChildren().add(overview);
		overview.setId("savedOverview");
		overview.setBorder(Utils.darkBlueBorder);

		// header
		Label savedOverview = new Label(Text.DATA_OVERVIEW);
		savedOverview.minWidthProperty()
				.bind(Bindings.createDoubleBinding(() -> overview.getWidth(), overview.widthProperty()));
		overview.getChildren().add(savedOverview);
		savedOverview.setStyle("-fx-font-weight: bold");

		// add job
		if (!occupation.getLevelOne().equals(Text.NOT_SET))
		{

			Label x = new Label(String.format(Text.F_SAVED_DATA_VALUE_SUBCATEGORY, 
					EntryType.JOB.getValue(), Text.OCCUPATION_LEVEL_ONE, occupation.getLevelOne()));
			x.minWidthProperty()
					.bind(Bindings.createDoubleBinding(() -> overview.getWidth(), overview.widthProperty()));
			overview.getChildren().add(x);
			overview.getChildren().add(getSeparator(overview));
			
			if (!occupation.getLevelTwo().equals(Text.NOT_SET))
			{
				Label x2 = new Label(String.format(Text.F_SAVED_DATA_VALUE_SUBCATEGORY, 
						EntryType.JOB.getValue(), Text.OCCUPATION_LEVEL_TWO, occupation.getLevelTwo()));
				x2.minWidthProperty()
						.bind(Bindings.createDoubleBinding(() -> overview.getWidth(), overview.widthProperty()));
				overview.getChildren().add(x2);
				overview.getChildren().add(getSeparator(overview));

				if (!occupation.getLevelThree().equals(Text.NOT_SET))
				{
					Label x3 = new Label(String.format(Text.F_SAVED_DATA_VALUE_SUBCATEGORY, 
							EntryType.JOB.getValue(), Text.OCCUPATION_LEVEL_THREE, occupation.getLevelThree()));
					x3.minWidthProperty()
							.bind(Bindings.createDoubleBinding(() -> overview.getWidth(), overview.widthProperty()));
					overview.getChildren().add(x3);
					overview.getChildren().add(getSeparator(overview));

					if (!occupation.getLevelFour().equals(Text.NOT_SET))
					{
						Label x4 = new Label(String.format(Text.F_SAVED_DATA_VALUE_SUBCATEGORY, 
								EntryType.JOB.getValue(), Text.OCCUPATION_LEVEL_FOUR, occupation.getLevelFour()));
						x4.minWidthProperty()
								.bind(Bindings.createDoubleBinding(() -> overview.getWidth(), overview.widthProperty()));
						overview.getChildren().add(x4);
						overview.getChildren().add(getSeparator(overview));
					}
				}
			}
		}

		// add all selected Data
		for (Node n : datalist.getChildren())
		{
			if (n instanceof EntryView) // this should always be true
			{
				EntryView i = (EntryView) n;
				EntryType type = i.getEntryType();
				if (i.getSelected())
				{
					if (type.equals(EntryType.WORKOUT) || type.equals(EntryType.RECORD)
							|| type.equals(EntryType.DATE_OF_BIRTH))
					{ // selected ones with subelements
						for (SubEntryView s : i.getSelectedSubElements())
						{
							Label x = new Label(String.format(Text.F_SAVED_DATA_VALUE_SUBCATEGORY_ENTRIES,
									type.getValue(), Utils.shortenHKStrings(s.getName()), s.getValue()));
							if (type.equals(EntryType.DATE_OF_BIRTH))
							{
								x = new Label(String.format(Text.F_SAVED_DATA_VALUE_SUBCATEGORY, type.getValue(),
										s.getName(), s.getValue()));
							}
							x.minWidthProperty().bind(
									Bindings.createDoubleBinding(() -> overview.getWidth(), overview.widthProperty()));
							overview.getChildren().add(x);
							overview.getChildren().add(getSeparator(overview));
						}
					}
					else
					{ // selected ones without subelements
						String value = i.getValue();
						Label x = new Label(String.format(Text.F_SAVED_DATA_VALUE, type.getValue(), value));
						if (type.equals(EntryType.ACTIVITY_SUMMARY))
						{
							x = new Label(String.format(Text.F_SAVED_DATA_ENTRIES, type.getValue(), value));
						}
						x.minWidthProperty().bind(
								Bindings.createDoubleBinding(() -> overview.getWidth(), overview.widthProperty()));
						overview.getChildren().add(x);
						overview.getChildren().add(getSeparator(overview));
					}
				}
			}
		}
		return container;
	}

	/**
	 * creates the view to show the privacy policy
	 * 
	 * @return
	 */
	public VBox getPrivacyView()
	{
		VBox container = new VBox();
		container.setId("container");

		container.getChildren().add(getHeaderLabel(PrivacyStatementText.heading,22));
		container.getChildren().add(getContentLabel(PrivacyStatementText.responsibleParty, container));
		container.getChildren().add(getContentLabel(PrivacyStatementText.introText, container));
		container.getChildren().add(getHeaderLabel(PrivacyStatementText.headingSec1, 16));
		container.getChildren().add(getContentLabel(PrivacyStatementText.contentSec1, container));
		container.getChildren().add(getHeaderLabel(PrivacyStatementText.headingSec2, 16));
		container.getChildren().add(getContentLabel(PrivacyStatementText.contentSec2, container));
		container.getChildren().add(getHeaderLabel(PrivacyStatementText.headingSec3, 16));
		container.getChildren().add(getContentLabel(PrivacyStatementText.contentSec3, container));
		container.getChildren().add(getHeaderLabel(PrivacyStatementText.headingSec4, 16));
		container.getChildren().add(getContentLabel(PrivacyStatementText.contentSec4, container));
		container.getChildren().add(getHeaderLabel(PrivacyStatementText.headingSec5, 16));
		container.getChildren().add(getContentLabel(PrivacyStatementText.contentSec5, container));
		
		return container;
	}
	
	private Label getHeaderLabel(String text, int size)
	{
		Label res = new Label(text);
		res.setStyle("-fx-font-weight: bold; -fx-font-size: "+size+"px;");
		return res;
	}

	/**
	 * Creates a label for the Privacy view which is used for normal text content. Fills the whole width of its parent
	 * @param text Text to be displayed
	 * @param container Parent to set the width
	 * @return created label
	 */
	private Label getContentLabel(String text, Pane container)
	{
		Label res = new Label(text);
		res.minWidthProperty()
		 	.bind(Bindings.createDoubleBinding(() -> container.getWidth(), container.widthProperty()));

		return res;
	}
	
	/**
	 * Creates the files in the temp directory
	 * 
	 * @throws WrappedException
	 */
	public void createTempFiles() throws WrappedException
	{
		filesInTempWithDesc = worker.writeSelectedDataToFiles(new WriteSelection(datalist), occupation);
	}

	@Override
	public void changed(ObservableValue<? extends Boolean> checkbox, Boolean oldValue, Boolean newValue)
	{
		if (newValue)
		{
			selectCount++;
		}
		else
		{
			selectCount--;
		}
		if (selectCount > 0 && dirForSaving != null)
		{
			updateNav(NavState.DATA_AND_PATH_SELECTED);
		}
		else
		{
			updateNav(NavState.SELECT_DATA);
		}

	}

}