/*******************************************************************************
 * Copyright (c) 2017, 2019 Dortmund University of Applied Sciences and Arts and others.
 *
 * This program and the accompanying materials are made
 * available under the terms of the Eclipse Public License 2.0
 * which is available at https://www.eclipse.org/legal/epl-2.0/
 *  
 * SPDX-License-Identifier: EPL-2.0
 *  
 * Contributors:
 *   Dortmund University of Applied Sciences and Arts - initial API and implementation
 *******************************************************************************/
package org.eclipse.app4mc.multicore.execution.ui.widget.comunication;

import java.awt.BorderLayout;
import java.awt.Dimension;
import java.awt.FlowLayout;
import java.awt.Frame;
import java.awt.GridLayout;
import java.awt.event.KeyEvent;
import java.util.Arrays;
import java.util.HashMap;
import java.util.Iterator;
import java.util.LinkedList;
import java.util.List;

import javax.swing.JComponent;
import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.JOptionPane;
import javax.swing.JPanel;
import javax.swing.JScrollPane;
import javax.swing.JTabbedPane;
import javax.swing.SwingConstants;

import org.eclipse.app4mc.multicore.execution.ui.widget.eventcanves.SimpleLabelChain;
import org.eclipse.app4mc.multicore.execution.ui.widget.model.XContainer;
import org.eclipse.app4mc.multicore.execution.ui.widget.model.XUtil;
import org.eclipse.app4mc.multicore.execution.ui.widget.model.elements.XAccess;
import org.eclipse.app4mc.multicore.execution.ui.widget.model.elements.XRunnable;
import org.eclipse.app4mc.multicore.execution.ui.widget.model.elements.XScheduler;

import com.mxgraph.layout.mxIGraphLayout;
import com.mxgraph.layout.hierarchical.mxHierarchicalLayout;
import com.mxgraph.swing.mxGraphComponent;
import com.mxgraph.view.mxGraph;

import javafx.beans.property.SimpleStringProperty;
import javafx.beans.value.ChangeListener;
import javafx.collections.FXCollections;
import javafx.collections.ObservableList;
import javafx.geometry.HPos;
import javafx.geometry.Insets;
import javafx.scene.Group;
import javafx.scene.Node;
import javafx.scene.Scene;
import javafx.scene.chart.BarChart;
import javafx.scene.chart.CategoryAxis;
import javafx.scene.chart.NumberAxis;
import javafx.scene.chart.XYChart;
import javafx.scene.control.Button;
import javafx.scene.control.CheckBoxTreeItem;
import javafx.scene.control.ChoiceBox;
import javafx.scene.control.Label;
import javafx.scene.control.ListView;
import javafx.scene.control.ScrollPane;
import javafx.scene.control.Separator;
import javafx.scene.control.Tab;
import javafx.scene.control.TabPane;
import javafx.scene.control.TableColumn;
import javafx.scene.control.TableView;
import javafx.scene.control.TreeItem;
import javafx.scene.control.TreeView;
import javafx.scene.control.cell.CheckBoxTreeCell;
import javafx.scene.control.cell.PropertyValueFactory;
import javafx.scene.layout.HBox;
import javafx.scene.layout.Region;
import javafx.scene.layout.StackPane;
import javafx.scene.layout.VBox;
import javafx.scene.paint.Color;
import javafx.scene.text.Font;
import javafx.scene.web.WebEngine;
import javafx.scene.web.WebView;
import javafx.stage.Stage;

public class ComUtil {
	private static final int MAXELEMENT = 100;

	public static void taskInfo(String title, long start, double end, boolean underSampling, boolean overSampling,
			LinkedList<CollumEntry> outOver, LinkedList<CollumEntry> outUnder) {

		final float scale = 2.5f;
		final Insets minPadding = new Insets(5);

		Region tableOver;
		Region tableUnder;

		if (outOver.size() > 0) {
			tableOver = tabelFactory(outOver);
		}
		else {
			tableOver = new Label("No Producer found");
		}
		if (outUnder.size() > 0) {
			tableUnder = tabelFactory(outUnder);
		}
		else {
			tableUnder = new Label("No Consumer found");
		}

		/* #Header# */
		final VBox header = new VBox();

		final Label label = new Label(title);
		label.setFont(new Font("Arial", 20));
		label.setPadding(new Insets(5, 0, 0, 0));
		header.getChildren().add(label);

		HBox resTime = new HBox(), samp = new HBox();

		final Label st = new Label("Start: " + start);
		st.setFont(new Font("Arial", 14));
		st.setPadding(minPadding);
		final Label en = new Label("End: " + end);
		en.setFont(new Font("Arial", 14));
		en.setPadding(minPadding);

		resTime.getChildren().add(st);
		resTime.getChildren().add(en);

		resTime.setPadding(minPadding);

		final Label over = new Label("Oversampling: " + overSampling);
		over.setFont(new Font("Arial", 14));
		over.setPadding(minPadding);
		final Label under = new Label("Undersampling: " + underSampling);
		under.setFont(new Font("Arial", 14));
		under.setPadding(minPadding);

		samp.getChildren().add(over);
		samp.getChildren().add(under);
		samp.setPadding(minPadding);

		header.getChildren().add(resTime);
		header.getChildren().add(samp);

		ScrollPane layout = new ScrollPane();

		final VBox vbox = new VBox();
		vbox.setSpacing(5);
		vbox.setPadding(new Insets(10, 10, 10, 10));
		vbox.getChildren().addAll(header, new Label("Producer"), tableOver, new Label("Consumer"), tableUnder);
		tableOver.prefWidthProperty().bind(layout.widthProperty());
		// tableOver.prefHeightProperty().bind(vbox.heightProperty());
		tableUnder.prefWidthProperty().bind(layout.widthProperty());
		// tableUnder.prefHeightProperty().bind(vbox.heightProperty());

		layout.setContent(vbox);
		layout.setVbarPolicy(ScrollPane.ScrollBarPolicy.ALWAYS);
		layout.setHbarPolicy(ScrollPane.ScrollBarPolicy.AS_NEEDED);

		Scene scene = new Scene(layout);

		Stage newWindow = new Stage();
		newWindow.setTitle(title);
		newWindow.setScene(scene);
		// newWindow.setAlwaysOnTop(true);
		// Set position of second window, related to primary window.
		newWindow.setX(230);
		newWindow.setY(100);

		newWindow.setMinWidth(400);
		newWindow.setMaximized(true);
		newWindow.show();

	}

	private static Region tabelFactory(LinkedList<CollumEntry> inp) {
		final ObservableList<CollumEntry> data = FXCollections.observableList(inp);

		TableView<CollumEntry> table = new TableView<CollumEntry>();

		table.setEditable(true);
		TableColumn e1 = new TableColumn("Name");
		TableColumn e2 = new TableColumn("Start Time");
		TableColumn e3 = new TableColumn("Status");
		TableColumn e4 = new TableColumn("Over-/UnderSampling");
		TableColumn e5 = new TableColumn("Type");

		e2.setStyle("-fx-alignment: CENTER;");
		e3.setStyle("-fx-alignment: CENTER;");
		e4.setStyle("-fx-alignment: CENTER;");
		e5.setStyle("-fx-alignment: CENTER;");

		e1.setCellValueFactory(new PropertyValueFactory<CollumEntry, String>("e1"));
		e2.setCellValueFactory(new PropertyValueFactory<CollumEntry, String>("e2"));

		e3.setCellValueFactory(new PropertyValueFactory<CollumEntry, String>("e3"));

		e4.setCellValueFactory(new PropertyValueFactory<CollumEntry, String>("e4"));
		e5.setCellValueFactory(new PropertyValueFactory<CollumEntry, String>("e5"));

		table.setItems(data);

		table.getColumns().addAll(e1, e2, e3, e4, e5);
		return table;

	}

	public static void PopUpWindow(String title, String inString) {
		Label text = new Label(inString);
		StackPane secondaryLayout = new StackPane();
		secondaryLayout.getChildren().add(text);

		int scale = 3;

		Scene secondScene = new Scene(secondaryLayout, 230 * scale, 100 * scale);

		// New window (Stage)
		Stage newWindow = new Stage();
		newWindow.setTitle(title);
		newWindow.setScene(secondScene);
		newWindow.setAlwaysOnTop(true);
		// Set position of second window, related to primary window.
		newWindow.setX(230);
		newWindow.setY(100);

		newWindow.show();

		return;
	}

	public static void openManual() {
		StackPane secondaryLayout = new StackPane();

		int scale = 4;

		Scene secondScene = new Scene(secondaryLayout, 160 * scale, 100 * scale);

		WebView browser = new WebView();
		WebEngine webEngine = browser.getEngine();

		String url = "https://gsocdoku.echo5.me/";

		// Load a page from remote url.
		webEngine.load(url);
		secondaryLayout.getChildren().add(browser);

		// New window (Stage)
		Stage newWindow = new Stage();
		newWindow.setTitle("Manual");
		newWindow.setScene(secondScene);

		// Set position of second window, related to primary window.
		newWindow.setX(230);
		newWindow.setY(100);

		newWindow.show();
		return;
	}

	public static void PopUpTable(String title, String fromTo, String time, String labels) {

		Stage stage = new Stage();
		stage.setTitle(title);
		Scene scene = new Scene(new Group());

		// Set position of second window, related to primary window.
		stage.setX(230);
		stage.setY(100);

		final Label label = new Label(fromTo);
		label.setFont(new Font("Arial", 20));
		final Label labelTime = new Label(time);
		label.setFont(new Font("Arial", 14));

		XContainer container = XContainer.getInstance(null);

		String[] arr = labels.split(",");

		for (int x = 0; x < arr.length; x++) {
			arr[x] += " - " + container.getLabels().get(arr[x]).getSizeInBytes() + " Byte";
		}

		List<String> xLabel = Arrays.asList(arr);
		ListView<String> list = new ListView<>();
		ObservableList<String> items = FXCollections.observableArrayList(xLabel);
		list.setItems(items);

		final VBox vbox = new VBox();
		vbox.setSpacing(5);
		vbox.setPadding(new Insets(10, 0, 0, 10));
		vbox.getChildren().addAll(label, labelTime, list);

		((Group) scene.getRoot()).getChildren().addAll(vbox);
		stage.setAlwaysOnTop(true);

		stage.setScene(scene);
		stage.setResizable(false);
		stage.show();
	}

	public static void ShowTaskDepend(String core) {

		XContainer xContainer = XContainer.getInstance(null);
		XScheduler xS = new XScheduler();
		Iterator<String> it;
		if (xContainer != null && xContainer.validateExecutable()) {
			it = xContainer.getScheduler().keySet().iterator();
			while (it.hasNext()) {

				xS = xContainer.getScheduler().get(it.next());
				System.out.println("ASSERT 0 " + xS.getName());
				if (xS.getCore().getName().compareTo(core) == 0) {
					break;
				}
				xS = null;

			}

		}

		if (xS == null) {
			System.out.println("ASSERT 1 error");
			return;
		}

		TabPane tabpane = new TabPane();

		// create multiple tabs
		for (int i = 0; i < xS.getTasks().size(); i++) {

			System.out.println("ASSERT 2_" + i);
			// create Tab
			String sel = xS.getTasks().get(i).getName();
			Tab tab = new Tab(sel);
			Label l1 = new Label("Access info");
			Label l2 = new Label("Producer info");
			Label l3 = new Label("Consumer info");
			l1.setFont(new Font("Arial", 16));
			l2.setFont(new Font("Arial", 16));
			l3.setFont(new Font("Arial", 16));
			l1.setPadding(new Insets(5));
			l1.setPadding(new Insets(5));
			tab.setClosable(false);
			// create a label

			// add label to the tab
			SimpleLabelChain cur = new SimpleLabelChain(xS, false);
			Separator separator = new Separator();
			separator.setHalignment(HPos.LEFT);
			separator.setStyle("-fx-border-width: 2;" + "-fx-padding: 4 "

			);
			Separator separator2 = new Separator();
			separator2.setHalignment(HPos.LEFT);
			separator2.setStyle("-fx-border-width: 2;" + "-fx-padding: 4 "

			);
			// add label to the tab
			SimpleLabelChain curCons = new SimpleLabelChain(xS, true);
			Separator separatorcons = new Separator();
			separator.setHalignment(HPos.LEFT);
			separator.setStyle("-fx-border-width: 2;" + "-fx-padding: 4 "

			);

			Node ttmp;
			if (XUtil.hasDepended(xS.getTasks().get(i).getName(), xS)) {

				ttmp = cur.getCanvas(sel);
			}
			else {
				ttmp = new Label("No Producer Detected");

			}

			Node ttmp2;
			if (xS.getTasks().get(i).getConsumer().size() > 0) {

				ttmp2 = curCons.getCanvas(sel);
			}
			else {
				ttmp2 = new Label("No Consumer Detected");

			}

			Node labelAc;
			if (xContainer.isMergingArrow()) {
				labelAc = generateLabbelAccess(sel, core);
			}
			else {
				labelAc = new Label(
						"Only available in Extended Simulation \nClick on the \uD83D\uDEC8 button on the TraceView for more information");
			}

			VBox box = new VBox(l1, labelAc, separator, l2, ttmp, separatorcons, l3, ttmp2, separator2);
			tab.setContent(box);

			// add tab
			tabpane.getTabs().add(tab);

		}

		StackPane secondaryLayout = new StackPane();

		if (tabpane.getTabs().size() > 0) {
			secondaryLayout.getChildren().add(tabpane);
		}
		else {
			secondaryLayout.getChildren().add(new Label("No Dependency detected"));
		}

		Scene secondScene = new Scene(secondaryLayout);

		System.out.println("ASSERT 3_1");
		// New window (Stage)
		Stage newWindow = new Stage();
		newWindow.setTitle("Task View");
		newWindow.setX(100);
		newWindow.setY(100);
		newWindow.setScene(secondScene);
		newWindow.setMaximized(true);
		// Set position of second window, related to primary window.

		newWindow.show();
		// circle.setFill(Color.DARKSLATEBLUE);
		System.out.println("ASSERT 3_2");

	}

	private static Node generateLabbelAccess(String sel, String core) {

		NumberAxis xAxis = new NumberAxis();
		CategoryAxis yAxis = new CategoryAxis();
		BarChart<Number, String> bc = new BarChart<>(xAxis, yAxis);
		xAxis.setLabel("Access");
		xAxis.setTickLabelRotation(90);
		yAxis.setLabel(" ");

		XContainer container = XContainer.getInstance(null);

		XContainer.XResult result = container.getLabelAcces(sel, core);

		XYChart.Series series1 = new XYChart.Series();
		series1.setName("");

		XYChart.Data<Long, String> tmp1 = new XYChart.Data<Long, String>(result.getWrite(), "Write");
		series1.getData().add(tmp1);

		XYChart.Data<Long, String> tmp2 = new XYChart.Data<Long, String>(result.getRead(), "Read");

		series1.getData().add(tmp2);
		// series1.getData().add(new XYChart.Data(20148.82, "Global"));

		// series2.getData().add(new XYChart.Data(41941.19, "Global"));

		bc.getData().addAll(series1);

		bc.setPadding(new Insets(0, 5, 0, 0));
		return new HBox(bc);

	}

	public static void showGlobalChains(XContainer con) {

		JTabbedPane tabbedPane = new JTabbedPane();

		LinkedList<LinkedList<XContainer.ChainElement>> global = con.getGlobalChain();
		LinkedList<XContainer.ChainElement> globalTmp;

		Iterator<LinkedList<XContainer.ChainElement>> it = global.iterator();
		LinkedList<JComponent> compList = new LinkedList<>();
		int count = 0;
		JComponent tmp;
		while (it.hasNext()) {

			globalTmp = it.next();

			tmp = GlobalmxChartt(globalTmp);
			tabbedPane.addTab("Chain #" + (count + 1), null, tmp, "Show chain #" + (count + 1));
			tabbedPane.setSize(800, 600);
			switch (count) {
				case 0:
					tabbedPane.setMnemonicAt(count, KeyEvent.VK_1);
					break;
				case 1:
					tabbedPane.setMnemonicAt(count, KeyEvent.VK_2);
					break;
				case 2:
					tabbedPane.setMnemonicAt(count, KeyEvent.VK_3);
					break;
				case 3:
					tabbedPane.setMnemonicAt(count, KeyEvent.VK_4);
					break;
				case 4:
					tabbedPane.setMnemonicAt(count, KeyEvent.VK_5);
					break;
				case 5:
					tabbedPane.setMnemonicAt(count, KeyEvent.VK_6);
					break;
				case 6:
					tabbedPane.setMnemonicAt(count, KeyEvent.VK_7);
					break;
				case 7:
					tabbedPane.setMnemonicAt(count, KeyEvent.VK_8);
					break;
				case 8:
					tabbedPane.setMnemonicAt(count, KeyEvent.VK_9);
					break;
			}
			count++;
		}

		JFrame frame = new JFrame("Event Chain View");
		frame.setResizable(true);

		JPanel panel = new JPanel();
		panel.setLayout(new BorderLayout());

		panel.add(tabbedPane);

		frame.add(panel);
		frame.setExtendedState(frame.getExtendedState() | Frame.MAXIMIZED_BOTH);

		frame.setLocationRelativeTo(null);
		// frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
		frame.setVisible(true);
	}

	static JComponent makeTextPanel(String text) {
		JPanel panel = new JPanel(false);
		JLabel filler = new JLabel(text);
		filler.setHorizontalAlignment(SwingConstants.CENTER);
		panel.setLayout(new GridLayout(1, 1));
		panel.add(filler);
		return panel;
	}

	static JComponent GlobalmxChartt(LinkedList<XContainer.ChainElement> globalTmp) {

		JPanel panel = new JPanel(false);
		panel.setLayout(new FlowLayout());

		mxGraph graph;
		graph = new mxGraph();
		graph.setCellsEditable(false);
		Object style = new Object();

		LinkedList<Object> listLabel = new LinkedList<Object>();
		HashMap<String, Object> listRunnable = new HashMap<>();
		HashMap<String, Object> listTask = new HashMap<>();

		for (XContainer.ChainElement curr : globalTmp) {
			// Add Label
			String fillTask = "#FA0031", textTask = "white";
			String fillRun = "#00FFFF", textRun = "black";
			String fillLabel = "white", textLabel = "blue";

			listLabel.add(graph.insertVertex(null, null, curr.getLabel().getName(), 0, 0, 80, 30,
					"fillColor=" + fillLabel + ";fontColor=" + textLabel));

			if (listLabel.size() > 1) {

				// Link Label
				graph.insertEdge(null, null, "", listLabel.get(listLabel.size() - 2),
						listLabel.get(listLabel.size() - 1), "strokeColor=orange");

			}

			for (XRunnable runn : curr.getRead()) {
				String run = runn.getName();
				String task = runn.getTask().getName();

				if (listRunnable.get(run) == null) {

					listRunnable.put(run, graph.insertVertex(null, null, run, 0, 0, 80, 30,
							"fillColor=" + fillRun + ";fontColor=" + textRun));
				}
				if (listTask.get(task) == null) {

					listTask.put(task, graph.insertVertex(null, null, task, 0, 0, 80, 30,
							"fillColor=" + fillTask + ";fontColor=" + textTask));
				}
				graph.insertEdge(null, null, "", listLabel.getLast(), listRunnable.get(run), "strokeColor=blue");
				graph.insertEdge(null, null, "", listRunnable.get(run), listTask.get(task), "strokeColor=blue");

			}
			for (XRunnable runn : curr.getWrite()) {
				String run = runn.getName();
				String task = runn.getTask().getName();

				if (listRunnable.get(run) == null) {

					listRunnable.put(run, graph.insertVertex(null, null, run, 0, 0, 80, 30,
							"fillColor=" + fillRun + ";fontColor=" + textRun));
				}
				if (listTask.get(task) == null) {

					listTask.put(task, graph.insertVertex(null, null, task, 0, 0, 80, 30,
							"fillColor=" + fillTask + ";fontColor=" + textTask));
				}
				graph.insertEdge(null, null, "", listRunnable.get(run), listLabel.getLast(), "strokeColor=red");

				graph.insertEdge(null, null, "", listTask.get(task), listRunnable.get(run), "strokeColor=red");

			}

		}

		// graph.insertEdge(null,null,"",a,b);
		// graph.insertEdge(null,null,"",b,c);

		mxGraphComponent graphComponent = new mxGraphComponent(graph);

		mxIGraphLayout layout = new mxHierarchicalLayout(graph);
		layout.execute(graph.getDefaultParent());

		graphComponent.setAutoscrolls(true);
		JScrollPane scrollFrame = new JScrollPane(graphComponent);
		scrollFrame.setPreferredSize(new Dimension(900, 650));

		return scrollFrame;
	}

	private static void StartAllChain(LinkedList<XContainer.ChainElement> list) {
		JFrame frame = new JFrame("Event Chain View");
		frame.setResizable(true);

		JPanel panel = new JPanel();
		panel.setLayout(new BorderLayout());

		panel.add(GlobalmxChartt(list));

		frame.add(panel);
		frame.setSize(800, 600);
		frame.setLocationRelativeTo(null);
		frame.setExtendedState(frame.getExtendedState() | Frame.MAXIMIZED_BOTH);

		// frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
		frame.setVisible(true);
	}

	private static void prepareAllChain(LinkedList<String> name, LinkedList<Integer> val) {

		LinkedList<XContainer.ChainElement> out = new LinkedList<>();
		XContainer con = XContainer.getInstance(null);

		for (int i = 0; i < name.size(); i++) {
			for (int j = 0; j < name.size(); j++) {
				if (val.get(j).intValue() == i) {
					out.add(new XContainer.ChainElement(con.getLabels().get(name.get(j))));
					System.out.println(name.get(j));
					break;
				}
			}
		}

		XRunnable ttmp;
		for (String ss : con.getRunnables().keySet()) {
			ttmp = con.getRunnables().get(ss);

			for (XAccess acc : ttmp.getList()) {

				for (XContainer.ChainElement el : out) {
					el.saveAdd(ttmp, acc);
				}
			}

		}

		if (out.size() > 0) {

			StartAllChain(out);
		}
		else {
			JOptionPane.showMessageDialog(null, "Error");
		}

	}

	public static void showAllChains(XContainer xContainer) {
		Stage newWindow = new Stage();

		final Node depIcon = null;
		LinkedList<String> output = new LinkedList<>();

		final CheckBoxTreeItem<String> rootNode = new CheckBoxTreeItem<>("Model");

		List<ULabel> label = XUtil.getAllLabels(xContainer);

		rootNode.setExpanded(false);

		for (ULabel ulabel : label) {

			CheckBoxTreeItem<String> labelLeaf = new CheckBoxTreeItem<>(ulabel.getName(), new Label("\uD83D\uDCBE"));
			boolean found = false;

			for (TreeItem<String> taskLeaf : rootNode.getChildren()) {

				if (taskLeaf.getValue().contentEquals(ulabel.getTask())) {
					found = true;
					boolean found2 = false;
					for (TreeItem<String> runLeaf : taskLeaf.getChildren()) {
						if (runLeaf.getValue().contentEquals(ulabel.getRunnable())) {

							found2 = true;
							runLeaf.getChildren().add(labelLeaf);
							break;
						}

					}
					if (!found2) {
						CheckBoxTreeItem<String> runLeaf = new CheckBoxTreeItem<>(ulabel.getRunnable(), depIcon);
						taskLeaf.getChildren().add(runLeaf);
						runLeaf.getChildren().add(labelLeaf);
						break;
					}
					else {
						break;
					}

				}
			}
			if (!found) {
				CheckBoxTreeItem<String> taskLeaf = new CheckBoxTreeItem<>(ulabel.getTask(), depIcon);
				CheckBoxTreeItem<String> runLeaf = new CheckBoxTreeItem<>(ulabel.getRunnable(), depIcon);

				rootNode.getChildren().add(taskLeaf);
				taskLeaf.getChildren().add(runLeaf);
				runLeaf.getChildren().add(labelLeaf);
			}
		}

		VBox box = new VBox();
		final Scene scene = new Scene(box, 400, 300);
		scene.setFill(Color.LIGHTGRAY);

		TreeView<String> treeView = new TreeView<>(rootNode);
		treeView.setCellFactory(CheckBoxTreeCell.<String> forTreeView());

		Button button = new Button("Plot Event Chain");
		button.setPadding(new Insets(5));
		button.setOnMouseClicked(
			(event) -> {
				LinkedList<String> out = new LinkedList<>();
				for (TreeItem<String> task : rootNode.getChildren()) {

					for (TreeItem<String> run : task.getChildren()) {
						for (TreeItem<String> item : run.getChildren()) {

							if (((CheckBoxTreeItem<String>) item).isSelected() && out.indexOf(item.getValue()) == -1) {
								out.add(item.getValue());
							}
						}
					}
				}

				for (String aa : out) {
					System.out.println(aa);
				}

				if (!out.isEmpty() && out.size() < MAXELEMENT + 1) {
					selectOrder(out);
					newWindow.close();
				} else {
					JOptionPane.showMessageDialog(null,
							"Please select 1 - " + MAXELEMENT + " Label\nCurrent selectet: " + out.size());
				}
			}
		);

		box.getChildren().add(new Label("Please select 1 - " + MAXELEMENT + " items"));
		box.getChildren().add(treeView);
		box.getChildren().add(button);

		newWindow.setTitle("LabelSelect");
		newWindow.setScene(scene);

		// Set position of second window, related to primary window.
		newWindow.setX(100);
		newWindow.setY(100);

		newWindow.show();
	}

	private static void selectOrder(LinkedList<String> it) {

		Stage stage = new Stage();
		stage.setTitle("Define sequence");
		VBox box = new VBox();
		LinkedList<Integer> options = new LinkedList<>();

		for (int i = 0; i < it.size(); i++) {
			options.add(i);
		}

		LinkedList<String> name = it;
		LinkedList<ChoiceBox> boxes = new LinkedList<>();
		LinkedList<Integer> val = new LinkedList<>();

		int count = 0;
		for (String cur : it) {
			val.add(count);
			ChoiceBox<Integer> sb = new ChoiceBox<>(FXCollections.observableList(options));
			sb.setValue(count);
			final int x = count;
			sb.getSelectionModel().selectedIndexProperty().addListener(
					(ChangeListener<Number>) (observable, oldValue, newValue) -> {
						val.set(x, newValue.intValue());
						for (Integer ii : val) {
							System.out.println(ii);
						}
					});

			boxes.add(sb);
			HBox boxi = new HBox();

			Label ll = new Label(cur);
			Insets insets = new Insets(5);
			ll.setPadding(insets);
			sb.setPadding(insets);
			boxi.setPadding(insets);
			boxi.getChildren().add(ll);
			boxi.getChildren().add(sb);
			box.getChildren().add(boxi

			);

			count++;
		}

		Button bt = new Button("Confirm sequence");
		final int WINDOWIDTH = 350;
		bt.setPrefWidth(WINDOWIDTH - 5);
		bt.setOnMouseClicked(event -> {
			System.out.println(validate(val));
			if (validate(val)) {

				prepareAllChain(name, val);
				stage.close();
			}
			else {

				JOptionPane.showMessageDialog(null, "Error\n Each position may only be occupied once");
			}
		});
		// box.getChildren().add(bt);
		ScrollPane scrollPane = new ScrollPane();
		scrollPane.setContent(box);
		scrollPane.setVbarPolicy(ScrollPane.ScrollBarPolicy.ALWAYS);
		scrollPane.setHbarPolicy(ScrollPane.ScrollBarPolicy.AS_NEEDED);

		stage.setScene(new Scene(new VBox(scrollPane, bt), WINDOWIDTH, 500));
		stage.setResizable(false);
		stage.show();

	}

	private static boolean validate(LinkedList<Integer> inp) {

		System.out.println("" + inp.size());
		for (int i = -1; i < inp.size(); i++) {
			boolean tmp = false;

			for (Integer x : inp) {

				if (x.intValue() == i && !tmp) {
					tmp = true;
				}
				else if ((x == i && tmp) || x.intValue() == -1) {
					return false;
				}
			}

		}
		if (inp.isEmpty()) {
			return false;
		}
		else {
			return true;
		}

	}

	public static class CollumEntry {
		private final SimpleStringProperty e1;
		private final SimpleStringProperty e2;
		private final SimpleStringProperty e3;
		private final SimpleStringProperty e4;
		private final SimpleStringProperty e5;

		public CollumEntry(String e1, String e2, String e3, String e4) {
			this.e1 = new SimpleStringProperty(e1);
			this.e2 = new SimpleStringProperty(e2);
			this.e3 = new SimpleStringProperty(e3);
			this.e4 = new SimpleStringProperty(e4);
			this.e5 = new SimpleStringProperty("");
		}

		public CollumEntry(String e1, String e2, String e3, String e4, String e5) {
			this.e1 = new SimpleStringProperty(e1);
			this.e2 = new SimpleStringProperty(e2);
			this.e3 = new SimpleStringProperty(e3);
			this.e4 = new SimpleStringProperty(e4);
			this.e5 = new SimpleStringProperty(e5);
		}

		public String getE1() {
			return e1.get();
		}

		public SimpleStringProperty e1Property() {
			return e1;
		}

		public void setE1(String e1) {
			this.e1.set(e1);
		}

		public String getE2() {
			return e2.get();
		}

		public SimpleStringProperty e2Property() {
			return e2;
		}

		public void setE2(String e2) {
			this.e2.set(e2);
		}

		public String getE3() {
			return e3.get();
		}

		public SimpleStringProperty e3Property() {
			return e3;
		}

		public void setE3(String e3) {
			this.e3.set(e3);
		}

		public String getE4() {
			return e4.get();
		}

		public SimpleStringProperty e4Property() {
			return e4;
		}

		public void setE4(String e4) {
			this.e4.set(e4);
		}

		public String getE5() {
			return e5.get();
		}

		public SimpleStringProperty e5Property() {
			return e5;
		}

		public void setE5(String e5) {
			this.e5.set(e5);
		}
	}

	public static class ULabel {

		private final SimpleStringProperty name;
		private final SimpleStringProperty runnable;
		private final SimpleStringProperty task;

		public ULabel(String name, String runnable, String task) {
			this.name = new SimpleStringProperty(name);
			this.runnable = new SimpleStringProperty(runnable);
			this.task = new SimpleStringProperty(task);
		}

		public String getName() {
			return name.get();
		}

		public SimpleStringProperty nameProperty() {
			return name;
		}

		public void setName(String name) {
			this.name.set(name);
		}

		public String getRunnable() {
			return runnable.get();
		}

		public SimpleStringProperty runnableProperty() {
			return runnable;
		}

		public void setRunnable(String runnable) {
			this.runnable.set(runnable);
		}

		public String getTask() {
			return task.get();
		}

		public SimpleStringProperty taskProperty() {
			return task;
		}

		public void setTask(String task) {
			this.task.set(task);
		}
	}

}