Restores context menus for channels in configuration window, channel

processing window, and spectral display window.

src/controller/channel/ChannelUtils.java

@@ -0,0 +1,126 @@
+package controller.channel;
+
+import java.awt.Component;
+import java.awt.event.ActionEvent;
+import java.awt.event.ActionListener;
+
+import javax.swing.JMenu;
+import javax.swing.JMenuItem;
+import javax.swing.JSeparator;
+
+import module.decode.event.ActivitySummaryFrame;
+import module.decode.state.DecoderState;
+import playlist.PlaylistManager;
+import controller.channel.ChannelEvent.Event;
+
+public class ChannelUtils
+{
+	private static final boolean ENABLED = true;
+	private static final boolean DISABLED = false;
+	private static final boolean BROADCAST_CHANGE = true;
+
+	/**
+	 * Creates a context menu for the channel argument
+	 */
+	public static JMenu getContextMenu( final PlaylistManager playlistManager, 
+										final Channel channel,
+										final Component anchor )
+	{
+		if( channel != null )
+		{
+			JMenu menu = new JMenu( "Channel: " + channel.getName() );
+			
+			if( channel.getEnabled() )
+			{
+				JMenuItem disable = new JMenuItem( "Disable" );
+				disable.addActionListener( new ActionListener() 
+				{
+					@Override
+	                public void actionPerformed( ActionEvent e )
+	                {
+						channel.setEnabled( DISABLED, BROADCAST_CHANGE );
+						
+						if( playlistManager != null )
+						{
+							playlistManager.save();					
+						}
+	                }
+				} );
+				
+				menu.add( disable );
+				
+				menu.add( new JSeparator() );
+
+				JMenuItem actySummaryItem = 
+						new JMenuItem( "Activity Summary" );
+
+				actySummaryItem.addActionListener( new ActionListener() 
+				{
+					@Override
+		            public void actionPerformed( ActionEvent e )
+		            {
+						StringBuilder sb = new StringBuilder();
+						
+						for( DecoderState decoderState: channel
+								.getProcessingChain().getDecoderStates() )
+						{
+							sb.append( decoderState.getActivitySummary() );
+						}
+						
+						new ActivitySummaryFrame( sb.toString(), anchor );
+		            }
+				} );
+					
+				menu.add( actySummaryItem );
+			}
+			else
+			{
+				JMenuItem enable = new JMenuItem( "Enable" );
+				enable.addActionListener( new ActionListener() 
+				{
+					@Override
+	                public void actionPerformed( ActionEvent e )
+	                {
+						channel.setEnabled( ENABLED, BROADCAST_CHANGE );
+						
+						if( playlistManager != null )
+						{
+							playlistManager.save();
+						}
+	    			}	
+				} );
+				
+				menu.add( enable );
+			}
+			
+			menu.add( new JSeparator() );
+			
+			JMenuItem deleteItem = new JMenuItem( "Delete" );
+			deleteItem.addActionListener( new ActionListener() 
+			{
+				@Override
+	            public void actionPerformed( ActionEvent e )
+	            {
+					/* Disable the channel */
+					channel.setEnabled( DISABLED, BROADCAST_CHANGE );	
+
+	                /* Broadcast channel deleted event */
+					channel.fireChannelEvent( Event.CHANNEL_DELETED );					
+	                
+					if( playlistManager != null )
+					{
+						playlistManager.save();           
+					}
+				}
+			} );
+			
+			menu.add( deleteItem );
+			
+			return menu;
+			
+		}
+		
+		return null;
+	}
+	
+}