Subtrees hinzugefügt

2024-12-29 14:26:34 +01:00 · 2024-12-29 14:26:34 +01:00 · 7cf55ce953
commit 7cf55ce953
parent e913ca6350
53 changed files with 3807 additions and 0 deletions
--- a/Quellcodes/iud_key_rsachat/MessagePopup2.java
+++ b/Quellcodes/iud_key_rsachat/MessagePopup2.java
@ -0,0 +1,128 @@
+import java.awt.event.ActionEvent; 
+import java.awt.event.ActionListener; 
+import java.awt.event.MouseEvent; 
+import java.awt.Dimension;
+
+import javax.swing.JFrame; 
+import javax.swing.JMenu; 
+import javax.swing.JMenuItem; 
+import javax.swing.JPopupMenu; 
+import javax.swing.*;
+import java.util.*;
+
+public class MessagePopup2 extends JPopupMenu implements ActionListener { 
+  
+  private static final long serialVersionUID = 1L; 
+  
+  JMenuItem bmi, ami, emi, kmi, dmi1, dmi2, dmi3, vmi; 
+  ChatClient cc;
+  Nachricht n;
+  ArrayList<Key> keys;
+  
+  public MessagePopup2( MouseEvent event, ChatClient cc, Nachricht n,  ArrayList<Key> keys){ 
+    this.cc = cc;
+    this.n = n;
+    this.keys = keys;
+    
+    //      Submenu
+    if (!n.getSended() && n.getInhaltString().startsWith("Key:")) {
+      ami = new JMenuItem("Schlüssel austauschen");
+      ami.addActionListener(this);
+      add(ami);
+    } // end of if
+    if (!n.getSended()) {
+      emi = new JMenuItem("Nachricht verändern");
+      emi.addActionListener(this);
+      add(emi);
+      
+      this.addSeparator();
+      
+    } // end of if
+    dmi1 = new JMenuItem("Hashcode berechnen"); 
+    dmi1.addActionListener(this); 
+    add(dmi1); 
+    dmi2 = new JMenuItem("Hashcode prüfen"); 
+    dmi2.addActionListener(this); 
+    add(dmi2); 
+    show(event.getComponent(), event.getX(), event.getY()); 
+  } 
+  
+  public void actionPerformed(ActionEvent e) { 
+    
+    if (e.getSource() == ami && !n.getSended()) {
+      n.setStopped(true);
+      
+      JComboBox cb = new JComboBox();
+      for(Key k: keys) {
+           cb.addItem(k.getName());
+      } // end of for
+      
+      
+      Object[] message = {"Wähle den Schlüssel, der eingesetzt werden soll.", cb};
+      
+      JOptionPane pane = new JOptionPane( message, 
+      JOptionPane.PLAIN_MESSAGE, 
+      JOptionPane.OK_CANCEL_OPTION);
+      pane.createDialog(null, "Nachricht manipulieren").setVisible(true);
+      
+      int value = ((Integer)pane.getValue()).intValue();
+      if(value == JOptionPane.OK_OPTION) {
+        String s = n.getInhaltString();
+        String[] ss = s.split(",|=");
+        String ks = keys.get(cb.getSelectedIndex()).toString(ss[1]);
+        Nachricht nn = n.copy();
+        nn.setInhalt(ks);
+        cc.nachrichten.add(cc.nachrichten.indexOf(n)+1,nn);
+        cc.updateNachrichtenListe();
+      } // end of if
+      
+      
+      
+    } // end of if
+    
+    if (e.getSource() == emi && !n.getSended()) {
+    n.setStopped(true);
+    JTextArea mess = new JTextArea(n.getInhaltString());
+    JScrollPane scrollPane = new JScrollPane(mess);  
+    mess.setLineWrap(true);  
+    mess.setWrapStyleWord(true); 
+    scrollPane.setPreferredSize( new Dimension( 500, 200 ) );
+    
+    Object[] message = {"Nachricht", scrollPane};
+    
+    JOptionPane pane = new JOptionPane( message, 
+    JOptionPane.PLAIN_MESSAGE, 
+    JOptionPane.OK_CANCEL_OPTION);
+    pane.createDialog(null, "Nachricht manipulieren").setVisible(true);
+    
+    int value = ((Integer)pane.getValue()).intValue();
+    if(value == JOptionPane.OK_OPTION) {
+    n.setInhalt(mess.getText());
+    } // end of if
+    cc.updateNachrichtenListe();
+    }
+    
+    if (e.getSource() == dmi1) { 
+    n.generateHash();
+    cc.updateNachrichtenListe();
+    } 
+    if (e.getSource() == dmi2) { 
+      Nachricht dummy = new Nachricht("dummy","dummy",n.getInhaltString());
+      dummy.generateHash();
+      String ha2 = new String(dummy.getHashCode());
+      String ha = new String(n.getHashCode());
+      System.out.println(ha2+","+ha);
+      if(ha.equals(ha2)) {
+    JOptionPane.showMessageDialog(this,
+    "Der Hashcode der Nachricht stimmt mit dem übermittelten Hashcode überein",
+    "Bestätigung",
+    JOptionPane.INFORMATION_MESSAGE); 
+    } else {
+    JOptionPane.showMessageDialog(this,
+    "Der Hashcode der Nachricht passt nicht zum übermittelten Hashcode.",
+    "Fehler",
+    JOptionPane.ERROR_MESSAGE);
+    }
+    } 
+    } 
+  }