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https://codeberg.org/qg-info-unterricht/zpg-graphentester.git
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280 lines
9.5 KiB
Java
280 lines
9.5 KiB
Java
package control;
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import imp.*;
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import graph.*;
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import algorithmen.*;
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import javafx.fxml.*;
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import javafx.scene.control.*;
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import javafx.event.*;
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import javafx.scene.input.MouseEvent;
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import javafx.scene.layout.*;
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import javafx.scene.Node;
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import javafx.scene.Scene;
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import javafx.scene.text.*;
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import javafx.geometry.Pos;
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import javafx.scene.image.Image;
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import javafx.stage.*; // Dateiöffnen / Speichern-Dialog
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import java.io.File;
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import java.net.URI;
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import java.net.URL;
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import java.net.URLDecoder;
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import java.nio.file.*;
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import java.util.Collections;
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import java.util.stream.Stream;
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import java.util.Iterator;
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import java.util.ArrayList;
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import java.util.regex.Pattern;
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import javafx.collections.ObservableList;
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/**
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* Die Klasse SimulationTabMitController stellt einen Tab inclusive ihres Controllers
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* zur Simulation eines Algorithmus dar. Der Algorithmus kann ausgewählt und schrittweise
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* durchgeführt werden.
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*
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* @author Thomas Schaller
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* @version v6.7 (9.12.2020)
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*/
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public class SimulationTabMitController extends TabMitController {
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@FXML
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private ComboBox<String> cbAlgorithmen;
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@FXML
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private Slider sSpeed;
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@FXML
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private Button bStep;
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@FXML
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private Button bStart;
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@FXML
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private Button bBreak;
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@FXML
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private Button bReset;
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private GraphAlgo aktAlgo = null;
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private ArrayList<String> algoNamen;
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private Hilfefenster hilfe;
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public SimulationTabMitController(Graph graph, GraphOptions options) {
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this.graph = graph;
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this.options = options;
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this.setOnClosed((ev)->afterClosing());
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}
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public void initialize() {
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this.algoNamen = new ArrayList<String>();
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try {
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File verzeichnis = new File("algorithmen");
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if(verzeichnis != null) {
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String[] entries = verzeichnis.list();
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for (String name : entries) {
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if (name.startsWith("GraphAlgo_") && name.endsWith(".class")){
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Class c = Class.forName("algorithmen."+name.split(Pattern.quote("."))[0]);
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GraphAlgo a = ((GraphAlgo)(c).getDeclaredConstructor().newInstance());
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int i = 0;
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while(i < cbAlgorithmen.getItems().size() && cbAlgorithmen.getItems().get(i).compareTo(a.getBezeichnung())<0)
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i++;
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//System.out.println("Algorithmus: "+a.getBezeichnung()+" geladen.");
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cbAlgorithmen.getItems().add(i, a.getBezeichnung());
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algoNamen.add(i, "algorithmen."+name.split(Pattern.quote("."))[0]);
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}
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} // end of for
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}
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verzeichnis = new File( "eigeneAlgorithmen" );
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if(verzeichnis != null) {
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String[] entries = verzeichnis.list();
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for (String name : entries) {
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if (name.startsWith("GraphAlgo_") && name.endsWith(".class")){
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Class c = Class.forName("eigeneAlgorithmen."+name.split(Pattern.quote("."))[0]);
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GraphAlgo a = ((GraphAlgo)(c).getDeclaredConstructor().newInstance());
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int i = 0;
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while(i < cbAlgorithmen.getItems().size() && cbAlgorithmen.getItems().get(i).compareTo(a.getBezeichnung())<0)
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i++;
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//System.out.println("Algorithmus: "+a.getBezeichnung()+" geladen.");
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cbAlgorithmen.getItems().add(i, a.getBezeichnung());
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algoNamen.add(i, "eigeneAlgorithmen."+name.split(Pattern.quote("."))[0]);
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}
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} // end of for
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}
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} catch(Exception e)
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{
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System.out.println("Exception " + e);
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}
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viewer.setGraph(graph,options);
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this.hilfe = null;
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this.aktAlgo = null;
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super.initialize();
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sSpeed.valueProperty().addListener(e -> { if (aktAlgo != null) aktAlgo.setSpeed(910-(int) (sSpeed.getValue()));});
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bStart.managedProperty().bind(bStart.visibleProperty());
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bBreak.managedProperty().bind(bBreak.visibleProperty());
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bBreak.setVisible(false);
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}
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private void afterClosing() {
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if (hilfe != null) hilfe.close();
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}
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private void hilfefensterErzeugen() {
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try { // try-catch ist notwendig, um Fehler durch fehlende Dateien abzufangen.
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if(hilfe != null) hilfe.close();
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hilfe = new Hilfefenster();
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FXMLLoader loader = new FXMLLoader(getClass().getResource("/view/hilfefenster.fxml"));
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loader.setController(hilfe);
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Scene scene = new Scene((VBox) loader.load());
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Image icon = new Image("/view/icon.png");
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hilfe.getIcons().add(icon);
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hilfe.setTitle("Hilfefenster");
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hilfe.setScene(scene);
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hilfe.setX(0);
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hilfe.setY(0);
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}
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catch(Exception e) {
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System.out.println(e);
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}
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}
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public void showHilfe(boolean b) {
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if(b) {
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hilfefensterErzeugen();
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hilfe.show();
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if(aktAlgo != null && aktAlgo.isAlive()) {
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aktAlgo.setGUIElemente(viewer,hilfe);
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hilfe.append("Unvollständiger Ablauf");
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}
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}
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else {
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if (hilfe != null) hilfe.close();
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hilfe = null;
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}
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}
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public void setGraph(Graph graph, GraphOptions options) {
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super.setGraph(graph,options);
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mReset(null);
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}
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@FXML
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void mReset(ActionEvent event) {
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if(aktAlgo != null && aktAlgo.isAlive()) aktAlgo.stop();
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graph.initialisiereAlleKnoten();
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graph.initialisiereAlleKanten();
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update();
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//gp.setInfoText(gp.getGraph().toString());
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bStep.setDisable(false);
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bStart.setDisable(false);
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bStart.setVisible(true);
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bBreak.setVisible(false);
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if (hilfe != null) hilfe.loescheAlles();
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this.aktAlgo = null;
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}
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@FXML
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void mStep(ActionEvent event) {
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if (aktAlgo == null ) {
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if(cbAlgorithmen.getSelectionModel().getSelectedIndex() >= 0) {
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try{
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ClassLoader parentClassLoader = MyClassLoader.class.getClassLoader();
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MyClassLoader classLoader = new MyClassLoader(parentClassLoader);
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Class c = classLoader.loadClass(algoNamen.get(cbAlgorithmen.getSelectionModel().getSelectedIndex()));
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aktAlgo = ((GraphAlgo)(c).getDeclaredConstructor().newInstance());
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aktAlgo.setStartKnoten(viewer.getSelectedKnoten());
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aktAlgo.setGUIElemente(viewer, hilfe);
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aktAlgo.setSpeed(910-(int) (sSpeed.getValue()));
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} catch( Exception e) {
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System.out.println(e);
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}
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aktAlgo.start();
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}
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} else {
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if(aktAlgo.isAlive()) {
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aktAlgo.setSpeed(910-(int) (sSpeed.getValue()));
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aktAlgo.setWaitforclick(false);
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//gp.setInfoText(aktAlgo.getInfo());
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} else {
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//gp.setInfoText("Algorithmus ist beendet. "+aktAlgo.getInfo());
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bStep.setDisable(true);
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bStart.setDisable(true);
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bBreak.setDisable(true);
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} // end of if-else
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} // end of if-else
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try{
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Thread.sleep(100);
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} catch(Exception e) {}
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if (!aktAlgo.isAlive()) {
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//gp.setInfoText("Algorithmus ist beendet"+aktAlgo.getInfo());
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bStep.setDisable(true);
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bStart.setDisable(true);
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bBreak.setDisable(true);
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}
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}
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@FXML
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void mStart(ActionEvent event) {
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if (aktAlgo == null ) {
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if(cbAlgorithmen.getSelectionModel().getSelectedIndex() >= 0) {
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try{
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ClassLoader parentClassLoader = MyClassLoader.class.getClassLoader();
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MyClassLoader classLoader = new MyClassLoader(parentClassLoader);
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Class c = classLoader.loadClass(algoNamen.get(cbAlgorithmen.getSelectionModel().getSelectedIndex()));
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aktAlgo = ((GraphAlgo)(c).getDeclaredConstructor().newInstance());
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aktAlgo.setStartKnoten(viewer.getSelectedKnoten());
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aktAlgo.setGUIElemente(viewer,hilfe);
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aktAlgo.setSpeed(910-(int) (sSpeed.getValue()));
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} catch( Exception e) {
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System.out.println(e);
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}
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aktAlgo.setStepping(false);
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aktAlgo.start();
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}
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} else {
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if(aktAlgo.isAlive()) {
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aktAlgo.setSpeed(910-(int) (sSpeed.getValue()));
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aktAlgo.setStepping(false);
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aktAlgo.setWaitforclick(false);
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//gp.setInfoText(aktAlgo.getInfo());
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} else {
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//gp.setInfoText("Algorithmus ist beendet. "+aktAlgo.getInfo());
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} // end of if-else
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} // end of if-else
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// gp.setInfoText(aktAlgo.getInfo());
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bStep.setDisable(true);
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bStart.setVisible(false);
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bBreak.setVisible(true);
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bBreak.setDisable(false);
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}
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public void mBreak(ActionEvent event) {
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if(aktAlgo != null && aktAlgo.isAlive()) {
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aktAlgo.setStepping(true);
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bStart.setVisible(true);
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bBreak.setVisible(false);
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bStep.setDisable(false);
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}
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}
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}
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