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package jcgp.gui.population;
import java.util.ArrayList;
import javafx.scene.control.ScrollPane;
import javafx.scene.layout.Pane;
import javafx.scene.shape.Line;
import jcgp.backend.population.Chromosome;
import jcgp.backend.population.Connection;
import jcgp.backend.population.Input;
import jcgp.backend.population.Node;
import jcgp.backend.resources.Resources;
import jcgp.gui.GUI;
import jcgp.gui.constants.Constants;
/**
* This extension of {@code ScrollPane} contains a series of
* nodes, inputs and outputs spread across a grid. It also contains
* all of the connection lines overlaid over the nodes, inputs and outputs.
*
*
* @author Eduardo Pedroni
*
*/
public class ChromosomePane extends ScrollPane {
private GUINode[][] guiNodes;
private GUIInput[] guiInputs;
private GUIOutput[] guiOutputs;
private Pane content;
private ArrayList<Line> connectionLines;
private ArrayList<GUIOutput> relock = new ArrayList<GUIOutput>();
private int rows, columns;
private Object[] testInputs;
private boolean target = false;
private PopulationPane parent;
public ChromosomePane(Chromosome chromosome, GUI gui, PopulationPane parent) {
super();
final Resources resources = gui.getExperiment().getResources();
this.parent = parent;
rows = resources.rows();
columns = resources.columns();
connectionLines = new ArrayList<Line>();
content = new Pane();
content.setId("content pane for genes");
// generate the GUIGenes
// inputs
guiInputs = new GUIInput[resources.inputs()];
for (int i = 0; i < guiInputs.length; i++) {
// make the GUI elements
guiInputs[i] = new GUIInput(this, chromosome.getInput(i));
content.getChildren().addAll(guiInputs[i]);
}
// nodes
guiNodes = new GUINode[rows][columns];
double angle, xPos, yPos;
for (int r = 0; r < rows; r++) {
for (int c = 0; c < columns; c++) {
// make the connection lines
Line lines[] = new Line[resources.arity()];
for (int l = 0; l < lines.length; l++) {
angle = ((((double) (l + 1)) / ((double) (lines.length + 1))) * Constants.THETA) - (Constants.THETA / 2);
xPos = (-Math.cos(angle) * Constants.NODE_RADIUS) + (((c + 1) * (2 * Constants.NODE_RADIUS + Constants.SPACING)) + Constants.NODE_RADIUS);
yPos = (Math.sin(angle) * Constants.NODE_RADIUS) + ((r * (2 * Constants.NODE_RADIUS + Constants.SPACING)) + Constants.NODE_RADIUS);
lines[l] = new Line(xPos, yPos, xPos, yPos);
lines[l].setMouseTransparent(true);
lines[l].setVisible(false);
connectionLines.add(lines[l]);
}
// make the GUI elements
guiNodes[r][c] = new GUINode(this, chromosome.getNode(r, c), lines, gui);
}
content.getChildren().addAll(guiNodes[r]);
}
// outputs
guiOutputs = new GUIOutput[resources.outputs()];
for (int i = 0; i < guiOutputs.length; i++) {
xPos = ((resources.columns() + 1) * (2 * Constants.NODE_RADIUS + Constants.SPACING));
yPos = (chromosome.getOutput(i).getIndex() * (2 * Constants.NODE_RADIUS + Constants.SPACING)) + Constants.NODE_RADIUS;
// make the line
Line line = new Line(xPos, yPos, xPos, yPos);
line.setMouseTransparent(true);
line.setVisible(false);
connectionLines.add(line);
// make the GUI elements
guiOutputs[i] = new GUIOutput(this, chromosome.getOutput(i), line, gui);
content.getChildren().addAll(guiOutputs[i]);
}
content.getChildren().addAll(connectionLines);
setPrefWidth(620);
setContent(content);
}
protected GUIGene getGuiGene(Connection gene) {
if (gene instanceof Input) {
return guiInputs[((Input) gene).getIndex()];
} else if (gene instanceof Node) {
return guiNodes[((Node) gene).getRow()][((Node) gene).getColumn()];
} else {
// something bad happened!
throw new ClassCastException();
}
}
protected boolean isTarget() {
return target;
}
protected void setTarget(boolean newValue) {
target = newValue;
}
public void updateGenes(Chromosome chr) {
for (int r = 0; r < rows; r++) {
for (int c = 0; c < columns; c++) {
guiNodes[r][c].setNode(chr.getNode(r, c));
guiNodes[r][c].updateLines();
guiNodes[r][c].updateText();
}
}
for (int i = 0; i < guiOutputs.length; i++) {
guiOutputs[i].setOutput(chr.getOutput(i));
guiOutputs[i].updateLines();
}
if (isEvaluating()) {
setInputs(testInputs);
}
}
public void unlockOutputs() {
relock.clear();
for (int i = 0; i < guiOutputs.length; i++) {
if (guiOutputs[i].isLocked()) {
guiOutputs[i].unlock();
relock.add(guiOutputs[i]);
}
}
}
public void relockOutputs() {
for (int i = 0; i < relock.size(); i++) {
relock.get(i).lock();
}
}
public void setInputs(Object[] values) {
testInputs = values;
for (int i = 0; i < guiInputs.length; i++) {
guiInputs[i].setValue(values[i]);
}
updateValues();
}
public void updateValues() {
for (int i = 0; i < guiInputs.length; i++) {
guiInputs[i].updateText();
}
for (int c = 0; c < columns; c++) {
for (int r = 0; r < rows; r++) {
guiNodes[r][c].updateText();
}
}
for (int o = 0; o < guiOutputs.length; o++) {
guiOutputs[o].updateText();
}
}
/**
* @return the evaluating attribute.
*/
public boolean isEvaluating() {
return parent.isEvaluating();
}
}
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