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/**
* Class CardChangeEvent.
*/
package de.fhswf.in.inf.java2.aufgabe02;
import javafx.collections.ObservableList;
import javafx.event.ActionEvent;
import javafx.event.EventHandler;
import javafx.scene.Node;
import javafx.scene.control.Label;
/**
* Generic handler for loading Labels on button click.
*
* @author $Author: $
* @version $Revision: $, $Date: $ UTC
*/
public class CardChangeEvent implements EventHandler<ActionEvent>
{
private ObservableList<Node> children;
private String labelName;
private Label label = null;
/**
* Adds an eventHandler for the button so that a label is loaded into the
* stack pane.
*
*/
public CardChangeEvent(ObservableList<Node> children, String labelName)
{
if (children == null)
{
throw new IllegalArgumentException("children can't be null.");
}
if (labelName == null)
{
throw new IllegalArgumentException("labelName can't be null.");
}
if (labelName.isEmpty())
{
throw new IllegalArgumentException("labelName can't be empty.");
}
this.children = children;
this.labelName = labelName;
}
/*
* (non-Javadoc)
*
* @see javafx.event.EventHandler#handle(javafx.event.Event)
*/
@Override
public void handle(ActionEvent event)
{
for (Node node : children)
{
node.setVisible(false);
}
if (label == null)
{
label = new Label(labelName);
children.add(label);
}
label.setVisible(true);
}
}
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