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package jcgp.gui.console;
import javafx.event.EventHandler;
import javafx.scene.Cursor;
import javafx.scene.control.TextArea;
import javafx.scene.input.MouseEvent;
import javafx.scene.layout.AnchorPane;
import jcgp.gui.GUI;
public class GUIConsole extends AnchorPane implements Console {
private boolean dragging;
private TextArea textArea = new TextArea("Welcome to JCGP!\n");
private StringBuffer printBuffer = new StringBuffer();
public GUIConsole() {
super();
textArea.setEditable(false);
textArea.setWrapText(true);
setResizeListeners();
AnchorPane.setTopAnchor(textArea, GUI.RESIZE_MARGIN);
AnchorPane.setBottomAnchor(textArea, 0.0);
AnchorPane.setRightAnchor(textArea, 0.0);
AnchorPane.setLeftAnchor(textArea, 0.0);
setMinHeight(GUI.CONSOLE_HEIGHT);
setPrefHeight(GUI.CONSOLE_HEIGHT);
getChildren().add(textArea);
}
/**
*
*/
private void setResizeListeners() {
setOnMousePressed(new EventHandler<MouseEvent>() {
@Override
public void handle(MouseEvent event) {
// ignore clicks outside of the draggable margin
if(isInDraggableZone(event)) {
dragging = true;
}
}
});
setOnMouseDragged(new EventHandler<MouseEvent>() {
@Override
public void handle(MouseEvent event) {
if(dragging) {
double newHeight = getHeight() - event.getY();
if (newHeight >= getMinHeight()) {
setPrefHeight(newHeight);
} else {
setPrefHeight(getMinHeight());
}
}
}
});
setOnMouseMoved(new EventHandler<MouseEvent>() {
@Override
public void handle(MouseEvent event) {
if(isInDraggableZone(event) || dragging) {
setCursor(Cursor.V_RESIZE);
}
else {
setCursor(Cursor.DEFAULT);
}
}
});
setOnMouseReleased(new EventHandler<MouseEvent>() {
@Override
public void handle(MouseEvent event) {
dragging = false;
setCursor(Cursor.DEFAULT);
}
});
textArea.setOnMouseEntered(new EventHandler<MouseEvent>() {
@Override
public void handle(MouseEvent event) {
setCursor(Cursor.DEFAULT);
}
});
}
private boolean isInDraggableZone(MouseEvent event) {
return event.getY() < (GUI.RESIZE_MARGIN);
}
@Override
public void println(String s) {
printBuffer.append(s + "\n");
}
@Override
public void print(String s) {
printBuffer.append(s);
}
@Override
public void flush() {
textArea.appendText(printBuffer.toString());
printBuffer = new StringBuffer();
}
}
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