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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.Node;
import jcgp.gui.GUI;
/**
* 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 laid over the nodes, inputs and outputs.
*
*
* @author Eduardo Pedroni
*
*/
public class ChromosomePane extends ScrollPane {
private GUIInput[] guiInputs;
private GUINode[][] guiNodes;
private GUIOutput[] guiOutputs;
private Pane content;
private boolean target = false;
public ChromosomePane(Chromosome chromosome) {
super();
ArrayList<Line> connectionLines = new ArrayList<Line>();
int rows = GUI.resources.rows();
int columns = GUI.resources.columns();
content = new Pane();
content.setId("content pane for genes");
/*
* inputs
*/
guiInputs = new GUIInput[GUI.resources.inputs()];
for (int i = 0; i < guiInputs.length; i++) {
guiInputs[i] = new GUIInput(chromosome.getInput(i));
}
// add inputs to content pane
content.getChildren().addAll(guiInputs);
/*
* nodes
*/
guiNodes = new GUINode[rows][columns];
for (int c = 0; c < columns; c++) {
for (int r = 0; r < rows; r++) {
// make the connection lines
Line lines[] = new Line[GUI.resources.arity()];
for (int l = 0; l < lines.length; l++) {
lines[l] = new Line();
lines[l].setMouseTransparent(true);
lines[l].setVisible(false);
connectionLines.add(lines[l]);
}
// make the GUI element
guiNodes[r][c] = new GUINode(chromosome.getNode(r, c), lines);
// add node to content pane
content.getChildren().add(guiNodes[r][c]);
}
}
/*
* outputs
*/
guiOutputs = new GUIOutput[GUI.resources.outputs()];
for (int i = 0; i < guiOutputs.length; i++) {
// make the connection line
Line line = new Line();
line.setVisible(false);
line.setMouseTransparent(true);
connectionLines.add(line);
// make the GUI element
guiOutputs[i] = new GUIOutput(chromosome.getOutput(i), line);
}
// add outputs to content pane
content.getChildren().addAll(guiOutputs);
// add lines to the pane on top of genes
content.getChildren().addAll(connectionLines);
setPrefWidth(620);
setContent(content);
}
protected boolean isTarget() {
return target;
}
protected void setTarget(boolean newValue) {
target = newValue;
}
public void updateGenes(Chromosome chr) {
for (int r = 0; r < GUI.resources.rows(); r++) {
for (int c = 0; c < GUI.resources.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(GUIMutable source, GUIConnection 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() <= GUI.resources.levelsBack()) {
return true;
}
}
return false;
} 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 {
// this should never happen...
return false;
}
}
// 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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