iud_key_imp10/Quellcodes/iud_key_rsachat/PicPanel.java
2024-12-29 14:26:34 +01:00

53 lines
1.4 KiB
Java

import java.awt.Graphics;
import java.awt.image.BufferedImage;
import java.io.IOException;
import java.net.URL;
import javax.imageio.ImageIO;
import javax.swing.*;
import java.util.*;
import java.awt.FontMetrics;
import java.awt.event.MouseEvent;
import java.awt.event.MouseListener;
//pic erbt von Panel - spart eine Klasse
public class PicPanel extends JPanel {
ArrayList<Key> keys;
public PicPanel(ArrayList<Key> keys){
this.keys = keys;
}
public void drawCenteredString(String s, int xx, int yy, Graphics g) {
FontMetrics fm = g.getFontMetrics();
int x = xx- fm.stringWidth(s) / 2;
g.drawString(s, x, yy);
}
//paintComponent überschreiben, Image zeichnen, super-Aufruf nicht vergessen
@Override
protected void paintComponent(Graphics g) {
super.paintComponent(g);
for (int x = 0; x < keys.size(); x++) {
g.drawImage(keys.get(x).getImage(),x*32,2,this);
drawCenteredString(keys.get(x).getName(),x*32+16,50,g);
}
}
public String getToolTipText(MouseEvent evt) {
int k = evt.getX() /32;
if (keys.size()>k) {
return "<html><p width=400><b>Exponent:</b><br>"+keys.get(k).getE()+"</p><p width=400><b>Modul:</b><br>"+keys.get(k).getN()+"</p></html>";
} // end of if
return "Schlüsselspeicher";
}
}