From 2008b066f26ae603b84ff46807e3dbd30e86c7e8 Mon Sep 17 00:00:00 2001
From: Einar Pehrson <einarp@itstud.chalmers.se>
Date: Wed, 7 May 2003 11:50:09 +0000
Subject: [PATCH] fixed filefilter

---
 MooMenu.java | 39 +++++++++++++++++++++------------------
 1 file changed, 21 insertions(+), 18 deletions(-)

diff --git a/MooMenu.java b/MooMenu.java
index 65d7b4f..aaccb35 100644
--- a/MooMenu.java
+++ b/MooMenu.java
@@ -1,12 +1,12 @@
 import javax.swing.*;
+import javax.swing.filechooser.*;
 import java.awt.event.*;
-import javax.swing.JComponent.*;
-import javax.swing.filechooser.FileFilter;
+import java.io.*;
 
-public class MooMenu extends JMenuBar implements ActionListener{
-	
-	//	Ett något smidigare sätt, kanske.. / EP
+public class MooMenu extends JMenuBar implements ActionListener {
 	
+	private JMenu file, edit, playback, track, help;
+
 	public MooMenu() {
 		file = makeMenu("File", KeyEvent.VK_F);
 		add(file);
@@ -79,23 +79,19 @@ public class MooMenu extends JMenuBar implements ActionListener{
 		} else if (command == "Open...") {
 		
 			JFileChooser chooser = new JFileChooser();
-	    		// här måste jag lägga till en filefilter
-			// som bestämmer vilka filtyper som får öppnas
-    			
+			chooser.addChoosableFileFilter(new MidiFileFilter());
 			int returnVal = chooser.showOpenDialog(this);
     			if(returnVal == JFileChooser.APPROVE_OPTION) {
        			System.out.println("You chose to open this file: " +
             		chooser.getSelectedFile().getName());
-			}
+		}
 		
 		} else if (command == "Save") {
 		
 		} else if (command == "Save as...") {
 		
 			JFileChooser chooser = new JFileChooser();
-	    		// här måste jag lägga till en filefilter
-			// som bestämmer vilka filtyper som får sparas
-    			
+			chooser.addChoosableFileFilter(new MidiFileFilter());
 			int returnVal = chooser.showSaveDialog(this);
     			if(returnVal == JFileChooser.APPROVE_OPTION) {
        			System.out.println("You chose to open this file: " +
@@ -146,10 +142,17 @@ public class MooMenu extends JMenuBar implements ActionListener{
 		}
 	}
 
-
-	private JMenu file;
-	private JMenu edit;
-	private JMenu playback;
-	private JMenu track;
-	private JMenu help;
+	class MidiFileFilter extends javax.swing.filechooser.FileFilter {
+		public boolean accept(File f) {
+			if(f != null) {
+				String extension = f.getName().substring(f.getName().lastIndexOf('.') + 1).toLowerCase();
+				if (f.isDirectory() || extension == "mid") return true;
+			}
+			return false;
+		}
+		
+		public String getDescription() {
+			return "MIDI files";
+		}
+	}
 }
-- 
2.39.2