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package jcgp.gui.population;
import javafx.scene.control.ScrollPane;
import javafx.scene.layout.Pane;
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;
import jcgp.gui.handlers.GUIHandlers;
/**
* 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 int rows, columns;
private boolean target = false;
public ChromosomePane(Chromosome chromosome, GUI gui, PopulationPane parent) {
super();
final Resources resources = gui.getExperiment().getResources();
rows = resources.rows();
columns = resources.columns();
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(chromosome.getInput(i));
guiInputs[i].relocate(Constants.NODE_RADIUS,
(chromosome.getInput(i).getIndex() * (2 * Constants.NODE_RADIUS + Constants.SPACING)) + Constants.NODE_RADIUS);
GUIHandlers.addHandlers(guiInputs[i]);
}
content.getChildren().addAll(guiInputs);
// nodes
guiNodes = new GUINode[rows][columns];
for (int r = 0; r < rows; r++) {
for (int c = 0; c < columns; c++) {
// make the GUI elements
guiNodes[r][c] = new GUINode(chromosome.getNode(r, c));
guiNodes[r][c].relocate(((chromosome.getNode(r, c).getColumn() + 1) * (2 * Constants.NODE_RADIUS + Constants.SPACING)) + Constants.NODE_RADIUS,
(chromosome.getNode(r, c).getRow() * (2 * Constants.NODE_RADIUS + Constants.SPACING)) + Constants.NODE_RADIUS);
GUIHandlers.addHandlers(guiNodes[r][c]);
}
content.getChildren().addAll(guiNodes[r]);
}
// outputs
guiOutputs = new GUIOutput[resources.outputs()];
for (int i = 0; i < guiOutputs.length; i++) {
// make the GUI elements
guiOutputs[i] = new GUIOutput(chromosome.getOutput(i));
guiOutputs[i].relocate(((resources.columns() + 1) * (2 * Constants.NODE_RADIUS + Constants.SPACING)) + Constants.NODE_RADIUS,
(chromosome.getOutput(i).getIndex() * (2 * Constants.NODE_RADIUS + Constants.SPACING)) + Constants.NODE_RADIUS);
GUIHandlers.addHandlers(guiOutputs[i]);
}
content.getChildren().addAll(guiOutputs);
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));
}
}
for (int i = 0; i < guiOutputs.length; i++) {
guiOutputs[i].setOutput(chr.getOutput(i));
}
}
public static boolean isAllowed(GUIGene source, GUIGene target) {
if (source instanceof GUINode) {
// if the source is a node, all inputs and some nodes are valid
if (target instanceof GUIInput) {
return true;
} else if (target instanceof GUINode) {
// target and source are nodes, let's look at levels back
Node t = ((GUINode) target).getNode(), s = ((GUINode) source).getNode();
if (s.getColumn() - t.getColumn() > 0 && s.getColumn() - t.getColumn() <= 1 /* TODO this should be levels back */) {
return true;
}
return false;
} else if (target instanceof GUIOutput) {
return false;
} else {
throw new ClassCastException("Target was neither GUINode nor GUIInput nor GUIOutput.");
}
} else if (source instanceof GUIOutput) {
// if the source is an output, any node or input is valid
if (target instanceof GUINode || target instanceof GUIInput) {
return true;
} else if (target instanceof GUIOutput) {
return false;
} else {
throw new ClassCastException("Target was neither GUINode nor GUIInput nor GUIOutput.");
}
}
// if the source was neither node nor output, something bad is happening
throw new ClassCastException("Source was neither GUINode nor GUIOutput.");
}
}
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