Added shuffle support. When this whole business is rewritten to use

distributed objects, all this bad hackery will blissfully go away.


git-svn-id: https://samskivert.googlecode.com/svn/trunk@1398 6335cc39-0255-0410-8fd6-9bcaacd3b74c

projects/robodj/src/java/robodj/chooser/PlaylistController.java

@@ -1,10 +1,11 @@
 //
-// $Id: PlaylistController.java,v 1.2 2004/01/28 02:36:44 mdb Exp $
+// $Id: PlaylistController.java,v 1.3 2004/02/24 12:40:24 mdb Exp $
 
 package robodj.chooser;
 
 import java.awt.Color;
 import java.awt.event.ActionEvent;
+import java.util.ArrayList;
 import java.util.Iterator;
 
 import javax.swing.JButton;
@@ -12,6 +13,7 @@ import javax.swing.JOptionPane;
 import javax.swing.JPanel;
 
 import com.samskivert.io.PersistenceException;
+import com.samskivert.util.ArrayUtil;
 import com.samskivert.util.StringUtil;
 
 import com.samskivert.swing.util.SwingUtil;
@@ -135,6 +137,31 @@ public class PlaylistController extends ItemController
                 }
             }, this);
 
+        } else if (cmd.equals(PlaylistPanel.SHUFFLE)) {
+            // put all of the songs in the playlist into a list and
+            // shuffle them
+            ArrayList slist = new ArrayList();
+            for (Iterator iter = _panel.plist.iterator(); iter.hasNext(); ) {
+                slist.add(((PlaylistEntry)iter.next()).song);
+            }
+            final Song[] songs = (Song[])slist.toArray(new Song[slist.size()]);
+            ArrayUtil.shuffle(songs);
+
+            // now clear and reload the playlist entirely
+            TaskMaster.invokeTask("noop", new TaskAdapter() {
+                public Object invoke () throws Exception {
+                    Chooser.scontrol.clear();
+                    for (int ii = 0; ii < songs.length; ii++) {
+                        Chooser.scontrol.append(
+                            songs[ii].entryid, songs[ii].songid,
+                            songs[ii].location);
+                    }
+                    // finally queue up a UI refresh
+                    postAction(_panel, PlaylistPanel.REFRESH);
+                    return null;
+                }
+            }, this);
+
         } else {
             return super.handleAction(e);
         }

projects/robodj/src/java/robodj/chooser/PlaylistPanel.java

@@ -1,5 +1,5 @@
 //
-// $Id: PlaylistPanel.java,v 1.17 2004/01/28 02:36:23 mdb Exp $
+// $Id: PlaylistPanel.java,v 1.18 2004/02/24 12:40:24 mdb Exp $
 
 package robodj.chooser;
 
@@ -48,6 +48,8 @@ public class PlaylistPanel extends ControlledPanel
 
     public static final String REMOVE_ALL = "remove_all";
 
+    public static final String SHUFFLE = "shuffle";
+
     public ArrayList plist = new ArrayList();
 
     public PlaylistPanel ()
@@ -76,10 +78,12 @@ public class PlaylistPanel extends ControlledPanel
 
         // add our control buttons
         _clearbut = ButtonUtil.createControlButton(
-            CLEAR_TIP, "clear", CLEAR_ICON_PATH);
+            CLEAR_TIP, CLEAR, CLEAR_ICON_PATH);
         cbar.add(_clearbut);
         cbar.add(ButtonUtil.createControlButton(
-                     REFRESH_TIP, "refresh", REFRESH_ICON_PATH));
+                     REFRESH_TIP, REFRESH, REFRESH_ICON_PATH));
+        cbar.add(ButtonUtil.createControlButton(
+                     SHUFFLE_TIP, SHUFFLE, SHUFFLE_ICON_PATH));
         add(cbar, GroupLayout.FIXED);
 
         // use a special font for our name buttons
@@ -227,6 +231,7 @@ public class PlaylistPanel extends ControlledPanel
     protected static final String ICON_ROOT = "/robodj/chooser/images/";
     protected static final String REFRESH_ICON_PATH = ICON_ROOT + "refresh.png";
     protected static final String CLEAR_ICON_PATH = ICON_ROOT + "clear.png";
+    protected static final String SHUFFLE_ICON_PATH = ICON_ROOT + "shuffle.png";
     protected static final String SKIPTO_ICON_PATH = ICON_ROOT + "skip.png";
     protected static final String REMOVE_ENTRY_ICON_PATH =
         ICON_ROOT + "remove_entry.png";
@@ -237,6 +242,8 @@ public class PlaylistPanel extends ControlledPanel
     protected static final String REFRESH_TIP = "Refresh the playlist";
     protected static final String CLEAR_TIP =
         "Clear all songs from the playlist";
+    protected static final String SHUFFLE_TIP =
+        "Shuffle the songs in the playlist";
     protected static final String SKIPTO_TIP = "Skip to this song";
     protected static final String REMOVE_ENTRY_TIP =
         "Remove all songs in this entry from the playlist";