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package jcgp.gui.settings;
import java.util.ArrayList;
import javafx.event.ActionEvent;
import javafx.event.EventHandler;
import javafx.geometry.Insets;
import javafx.scene.control.Button;
import javafx.scene.control.CheckBox;
import javafx.scene.control.ComboBox;
import javafx.scene.control.ScrollPane;
import javafx.scene.layout.AnchorPane;
import javafx.scene.layout.HBox;
import javafx.scene.layout.Priority;
import javafx.scene.layout.VBox;
import javafx.scene.text.Font;
import javafx.scene.text.Text;
import jcgp.JCGP;
import jcgp.backend.function.FunctionSet;
import jcgp.backend.modules.ea.EvolutionaryAlgorithm;
import jcgp.backend.modules.fitness.Problem;
import jcgp.backend.modules.mutator.Mutator;
import jcgp.backend.resources.parameters.Parameter;
import jcgp.gui.GUI;
import jcgp.gui.settings.parameters.GUIParameter;
public class SettingsPane extends AnchorPane {
private VBox mainContainer;
private VBox baseParameterPane, eaPane, mutatorPane, problemPane;
private Button runPause = new Button("Run"), step = new Button("Step"), reset = new Button("Reset");
private ArrayList<GUIParameter> parameters = new ArrayList<GUIParameter>();
public SettingsPane(JCGP cgp, GUI gui) {
super();
mainContainer = new VBox(8);
mainContainer.setPadding(new Insets(5, GUI.RESIZE_MARGIN, 0, 2));
setMinWidth(GUI.SETTINGS_WIDTH);
setPrefWidth(GUI.SETTINGS_WIDTH);
initialiseBaseParameters(cgp);
initialiseEAParameters(cgp);
initialiseMutatorParameters(cgp);
initialiseProblemTypeParameters(cgp, gui);
createControls(cgp, gui);
ScrollPane scroll = new ScrollPane();
scroll.setFitToWidth(true);
scroll.setContent(mainContainer);
scroll.setStyle("-fx-background-color: #FFFFFF");
AnchorPane.setTopAnchor(scroll, 0.0);
AnchorPane.setBottomAnchor(scroll, 0.0);
AnchorPane.setRightAnchor(scroll, 0.0);
AnchorPane.setLeftAnchor(scroll, GUI.RESIZE_MARGIN);
getChildren().add(scroll);
}
private void initialiseBaseParameters(JCGP cgp) {
baseParameterPane = new VBox(2);
Text header = new Text("Base Parameters");
header.setFont(Font.font("Arial", 14));
header.setUnderline(true);
baseParameterPane.getChildren().add(header);
parameters.add(GUIParameter.create(cgp.getResources().getParameter("rows"), this));
parameters.add(GUIParameter.create(cgp.getResources().getParameter("columns"), this));
parameters.add(GUIParameter.create(cgp.getResources().getParameter("inputs"), this));
parameters.add(GUIParameter.create(cgp.getResources().getParameter("outputs"), this));
parameters.add(GUIParameter.create(cgp.getResources().getParameter("levelsBack"), this));
GUIParameter gp = GUIParameter.create(cgp.getResources().getParameter("popSize"), this);
gp.setPadding(new Insets(0, 0, 10, 0));
parameters.add(gp);
parameters.add(GUIParameter.create(cgp.getResources().getParameter("currentGen"), this));
parameters.add(GUIParameter.create(cgp.getResources().getParameter("generations"), this));
parameters.add(GUIParameter.create(cgp.getResources().getParameter("currentRun"), this));
gp = GUIParameter.create(cgp.getResources().getParameter("runs"), this);
gp.setPadding(new Insets(0, 0, 10, 0));
parameters.add(gp);
parameters.add(GUIParameter.create(cgp.getResources().getParameter("seed"), this));
parameters.add(GUIParameter.create(cgp.getResources().getParameter("report"), this));
//parameters.add(GUIParameter.create(cgp.getResources().getParameter("maxFitness"), this));
baseParameterPane.getChildren().addAll(parameters);
mainContainer.getChildren().add(baseParameterPane);
}
private void initialiseEAParameters(final JCGP cgp) {
eaPane = new VBox(2);
Text header = new Text("Evolutionary Algorithm");
header.setFont(Font.font("Arial", 14));
header.setUnderline(true);
final ComboBox<EvolutionaryAlgorithm> eaCBox = new ComboBox<EvolutionaryAlgorithm>();
eaCBox.getItems().addAll(cgp.getEvolutionaryAlgorithms());
eaCBox.getSelectionModel().select(cgp.getEvolutionaryAlgorithm());
eaCBox.prefWidthProperty().bind(mainContainer.widthProperty());
final VBox eaParameters = new VBox();
eaParameters.setSpacing(2);
if (cgp.getEvolutionaryAlgorithm().getLocalParameters() != null) {
refreshParameters(cgp.getEvolutionaryAlgorithm().getLocalParameters(), eaParameters);
}
eaCBox.setOnAction(new EventHandler<ActionEvent>() {
@Override
public void handle(ActionEvent event) {
cgp.setEvolutionaryAlgorithm(eaCBox.getSelectionModel().getSelectedIndex());
if (eaCBox.getSelectionModel().getSelectedItem().getLocalParameters() != null) {
refreshParameters(eaCBox.getSelectionModel().getSelectedItem().getLocalParameters(), eaParameters);
}
}
});
eaPane.getChildren().addAll(header, eaCBox, eaParameters);
mainContainer.getChildren().add(eaPane);
}
private void initialiseMutatorParameters(final JCGP cgp) {
mutatorPane = new VBox(2);
Text header = new Text("Mutator");
header.setFont(Font.font("Arial", 14));
header.setUnderline(true);
final ComboBox<Mutator> mutatorCBox = new ComboBox<Mutator>();
mutatorCBox.getItems().addAll(cgp.getMutators());
mutatorCBox.getSelectionModel().select(cgp.getMutator());
mutatorCBox.prefWidthProperty().bind(mainContainer.widthProperty());
final VBox mutatorParameters = new VBox();
mutatorParameters.setSpacing(2);
if (cgp.getEvolutionaryAlgorithm().getLocalParameters() != null) {
refreshParameters(cgp.getMutator().getLocalParameters(), mutatorParameters);
}
mutatorCBox.setOnAction(new EventHandler<ActionEvent>() {
@Override
public void handle(ActionEvent event) {
cgp.setMutator(mutatorCBox.getSelectionModel().getSelectedIndex());
if (mutatorCBox.getSelectionModel().getSelectedItem().getLocalParameters() != null) {
refreshParameters(mutatorCBox.getSelectionModel().getSelectedItem().getLocalParameters(), mutatorParameters);
}
}
});
mutatorPane.getChildren().addAll(header, mutatorCBox, mutatorParameters);
mainContainer.getChildren().add(mutatorPane);
}
private void initialiseProblemTypeParameters(final JCGP cgp, final GUI gui) {
problemPane= new VBox(2);
Text header = new Text("Problem type");
header.setFont(Font.font("Arial", 14));
header.setUnderline(true);
final ComboBox<Problem> ffCBox = new ComboBox<Problem>();
ffCBox.getItems().addAll(cgp.getProblems());
ffCBox.getSelectionModel().select(cgp.getProblem());
ffCBox.prefWidthProperty().bind(mainContainer.widthProperty());
final VBox ffParameters = new VBox();
ffParameters.setSpacing(2);
if (cgp.getProblem().getLocalParameters() != null) {
refreshParameters(cgp.getProblem().getLocalParameters(), ffParameters);
}
final VBox nodeFunctions = new VBox();
nodeFunctions.setSpacing(2);
refreshFunctions(cgp.getResources().getFunctionSet(), nodeFunctions, gui);
ffCBox.setOnAction(new EventHandler<ActionEvent>() {
@Override
public void handle(ActionEvent event) {
cgp.setProblem(ffCBox.getSelectionModel().getSelectedIndex());
if (ffCBox.getSelectionModel().getSelectedItem().getLocalParameters() != null) {
refreshParameters(cgp.getProblem().getLocalParameters(), ffParameters);
refreshFunctions(cgp.getProblem().getFunctionSet(), nodeFunctions, gui);
}
gui.reset();
}
});
problemPane.getChildren().addAll(header, ffCBox, ffParameters, nodeFunctions);
mainContainer.getChildren().add(problemPane);
}
private void createControls(final JCGP cgp, final GUI gui) {
final VBox controls = new VBox(2);
controls.setFillWidth(true);
final HBox flowButtons = new HBox(2);
runPause.setOnAction(new EventHandler<ActionEvent>() {
@Override
public void handle(ActionEvent event) {
gui.runPause();
}
});
step = new Button("Step");
step.setOnAction(new EventHandler<ActionEvent>() {
@Override
public void handle(ActionEvent event) {
gui.step();
}
});
reset = new Button("Reset");
reset.setOnAction(new EventHandler<ActionEvent>() {
@Override
public void handle(ActionEvent event) {
gui.reset();
}
});
flowButtons.getChildren().addAll(runPause, step, reset);
HBox.setHgrow(runPause, Priority.ALWAYS);
runPause.setMaxWidth(Double.MAX_VALUE);
HBox.setHgrow(step, Priority.ALWAYS);
step.setMaxWidth(Double.MAX_VALUE);
HBox.setHgrow(reset, Priority.ALWAYS);
reset.setMaxWidth(Double.MAX_VALUE);
controls.getChildren().add(flowButtons);
mainContainer.getChildren().add(controls);
}
/**
* @param cgp
* @param vb
*/
private void refreshParameters(Parameter[] newParameters, VBox vb) {
parameters.removeAll(vb.getChildren());
vb.getChildren().clear();
for (int i = 0; i < newParameters.length; i++) {
GUIParameter gp = GUIParameter.create(newParameters[i], this);
parameters.add(gp);
vb.getChildren().add(gp);
}
revalidateParameters();
}
private void refreshFunctions(final FunctionSet fs, VBox vb, final GUI gui) {
vb.getChildren().clear();
CheckBox cb;
for (int i = 0; i < fs.getTotalFunctionCount(); i++) {
cb = new CheckBox(fs.getFunction(i).getName());
cb.setId(String.valueOf(i));
cb.setSelected(fs.isEnabled(fs.getFunction(i)));
final int index = i;
cb.setOnAction(new EventHandler<ActionEvent>() {
@Override
public void handle(ActionEvent event) {
if (((CheckBox) event.getSource()).isSelected()) {
fs.enableFunction(index);
} else {
fs.disableFunction(index);
}
GUI.updateFunctionSelector();
}
});
vb.getChildren().add(cb);
GUI.updateFunctionSelector();
}
}
public void runningMode(boolean value) {
baseParameterPane.setDisable(value);
eaPane.setDisable(value);
mutatorPane.setDisable(value);
problemPane.setDisable(value);
step.setDisable(value);
reset.setDisable(value);
runPause.setText(value ? "Pause" : "Run");
}
/**
*
* @return true if the experiment needs to be reset, false otherwise.
*/
public boolean isResetRequired() {
for (GUIParameter parameter : parameters) {
if (parameter.requiresReset()) {
return true;
}
}
return false;
}
public boolean areParametersValid() {
for (GUIParameter parameter : parameters) {
if (!parameter.isValid()) {
return false;
}
}
return true;
}
public void revalidateParameters() {
runPause.setDisable(false);
for (GUIParameter parameter : parameters) {
parameter.validate();
if (parameter.requiresReset()) {
runPause.setDisable(true);
}
}
}
public void applyParameters() {
for (GUIParameter parameter : parameters) {
parameter.applyValue();
}
}
}
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