From 33613a85afc4b1481367fbe92a17ee59c240250b Mon Sep 17 00:00:00 2001
From: Sven Eisenhauer <sven@sven-eisenhauer.net>
Date: Fri, 10 Nov 2023 15:11:48 +0100
Subject: add new repo

---
 .../hjp5/examples/Listing3111.java                 | 129 +++++++++++++++++++++
 1 file changed, 129 insertions(+)
 create mode 100644 Master/Reference Architectures and Patterns/hjp5/examples/Listing3111.java

(limited to 'Master/Reference Architectures and Patterns/hjp5/examples/Listing3111.java')

diff --git a/Master/Reference Architectures and Patterns/hjp5/examples/Listing3111.java b/Master/Reference Architectures and Patterns/hjp5/examples/Listing3111.java
new file mode 100644
index 0000000..22c3b5e
--- /dev/null
+++ b/Master/Reference Architectures and Patterns/hjp5/examples/Listing3111.java	
@@ -0,0 +1,129 @@
+/* Listing3111.java */
+
+import java.awt.*;
+import java.awt.event.*;
+import java.util.*;
+
+class ModalDialog
+extends Dialog
+implements ActionListener
+{
+  String result;
+
+  public static String OKDialog(Frame owner, String msg)
+  {
+    ModalDialog dlg;
+    dlg = new ModalDialog(owner,"Nachricht",msg,"OK");
+    dlg.setVisible(true);
+    return dlg.getResult();
+  }
+
+  public static String YesNoDialog(Frame owner, String msg)
+  {
+    ModalDialog dlg;
+    dlg = new ModalDialog(owner,"Frage",msg,"Ja,Nein");
+    dlg.setVisible(true);
+    return dlg.getResult();
+  }
+
+  public static String YesNoCancelDialog(Frame owner,String msg)
+  {
+    ModalDialog dlg;
+    dlg = new ModalDialog(owner,"Frage",msg,"Ja,Nein,Abbruch");
+    dlg.setVisible(true);
+    return dlg.getResult();
+  }
+
+  public ModalDialog(
+    Frame owner,
+    String title,
+    String msg,
+    String buttons
+  )
+  {
+    super(owner, title, true);
+    //Fenster
+    setBackground(Color.lightGray);
+    setLayout(new BorderLayout());
+    setResizable(false);
+    Point parloc = owner.getLocation();
+    setLocation(parloc.x + 30, parloc.y + 30);
+    //Message
+    add(new Label(msg), BorderLayout.CENTER);
+    //Buttons
+    Panel panel = new Panel();
+    panel.setLayout(new FlowLayout(FlowLayout.CENTER));
+    StringTokenizer strtok = new StringTokenizer(buttons,",");
+    while (strtok.hasMoreTokens()) {
+      Button button = new Button(strtok.nextToken());
+      button.addActionListener(this);
+      panel.add(button);
+    }
+    add(panel, BorderLayout.SOUTH);
+    pack();
+  }
+
+  public void actionPerformed(ActionEvent event)
+  {
+    result = event.getActionCommand();
+    setVisible(false);
+    dispose();
+  }
+
+  public String getResult()
+  {
+    return result;
+  }
+}
+
+public class Listing3111
+extends Frame
+implements ActionListener
+{
+  public static void main(String[] args)
+  {
+    Listing3111 wnd = new Listing3111();
+    wnd.setVisible(true);
+  }
+
+  public Listing3111()
+  {
+    super("Drei modale Standarddialoge");
+    setLayout(new FlowLayout());
+    setBackground(Color.lightGray);
+    Button button = new Button("OKDialog");
+    button.addActionListener(this);
+    add(button);
+    button = new Button("YesNoDialog");
+    button.addActionListener(this);
+    add(button);
+    button = new Button("YesNoCancelDialog");
+    button.addActionListener(this);
+    add(button);
+    setLocation(100,100);
+    setSize(400,200);
+    setVisible(true);
+  }
+
+  public void actionPerformed(ActionEvent event)
+  {
+    String cmd = event.getActionCommand();
+    if (cmd.equals("OKDialog")) {
+      ModalDialog.OKDialog(this,"Dream, dream, dream, ...");
+    } else if (cmd.equals("YesNoDialog")) {
+      String ret = ModalDialog.YesNoDialog(
+        this,
+        "Programm beenden?"
+      );
+      if (ret.equals("Ja")) {
+        setVisible(false);
+        dispose();
+        System.exit(0);
+      }
+    } else if (cmd.equals("YesNoCancelDialog")) {
+      String msg = "Verzeichnis erstellen?";
+      String ret = ModalDialog.YesNoCancelDialog(this,msg);
+      ModalDialog.OKDialog(this,"Rückgabe: " + ret);
+    }
+  }
+}
\ No newline at end of file
-- 
cgit v1.2.3