Initial code check in continued

src/controller/channel/ChannelNode.java

@@ -0,0 +1,168 @@
+/*******************************************************************************
+ *     SDR Trunk 
+ *     Copyright (C) 2014 Dennis Sheirer
+ * 
+ *     This program is free software: you can redistribute it and/or modify
+ *     it under the terms of the GNU General Public License as published by
+ *     the Free Software Foundation, either version 3 of the License, or
+ *     (at your option) any later version.
+ * 
+ *     This program is distributed in the hope that it will be useful,
+ *     but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *     GNU General Public License for more details.
+ * 
+ *     You should have received a copy of the GNU General Public License
+ *     along with this program.  If not, see <http://www.gnu.org/licenses/>
+ ******************************************************************************/
+package controller.channel;
+
+import java.text.DecimalFormat;
+
+import javax.swing.JPanel;
+import javax.swing.JPopupMenu;
+
+import log.Log;
+import source.tuner.TunerChannel;
+import controller.ConfigurableNode;
+import controller.channel.Channel.ChannelEvent;
+import controller.site.SiteNode;
+import controller.system.SystemNode;
+
+/**
+ * A channel has all of the pieces needed to wire together a source, decoder,
+ * event logger and recorder and be started and stopped.
+ */
+public class ChannelNode extends ConfigurableNode implements ChannelListener
+{
+    private static final long serialVersionUID = 1L;
+    
+	private static DecimalFormat sFORMAT = new DecimalFormat( "0.0000" );
+
+	public ChannelNode( Channel channel )
+	{
+		super( channel );
+	}
+	
+	public void init()
+	{
+		/* Set the owning system and site names for the channel */
+		SiteNode siteNode = (SiteNode)getParent();
+		
+		if( siteNode != null )
+		{
+			getChannel().setSite( siteNode.getSite(), false );
+			
+			SystemNode systemNode = (SystemNode)siteNode.getParent();
+			
+			if( systemNode != null )
+			{
+				getChannel().setSystem( systemNode.getSystem(),  false );
+			}
+		}
+		
+		/* Add this node as listener to receive changes from underlying channel */
+		getChannel().addListener( this );
+
+		/* Add the resource manager to the channel so that the channel
+		 * can provide channel change events to all system resources */
+	    getChannel().setResourceManager( getModel().getResourceManager() );
+	}
+
+	/**
+	 * Listener method to receive channel changes from the underlying chnannel
+	 */
+	@Override
+    public void occurred( Channel channel, ChannelEvent event )
+    {
+		switch( event )
+		{
+			/* Refresh the node for each of these events */
+			case CHANGE_DECODER:
+			case CHANGE_ENABLED:
+			case CHANGE_NAME:
+			case CHANGE_SELECTED:
+			case CHANGE_SITE:
+			case CHANGE_SYSTEM:
+			case PROCESSING_STARTED:
+			case PROCESSING_STOPPED:
+				this.refresh();
+				break;
+			/* We're being deleted, so cleanup */
+			case CHANNEL_DELETED:
+				delete();
+				break;
+			default:
+				break;
+		}
+    }
+
+	@Override
+    public String getIconPath()
+    {
+		StringBuilder sb = new StringBuilder();
+		
+		Channel channel = getChannel();
+		
+		sb.append( channel.getDecodeConfiguration().getDecoderType().getIconPrefix() );
+		
+		if( channel.getEnabled() )
+		{
+			sb.append( channel.isProcessing() ? "_green" : "_red" );
+		}
+		
+		sb.append( ".png" );
+		
+    	return sb.toString();
+    }
+	
+    @Override
+    public JPanel getEditor()
+    {
+        return new ChannelEditor( this );
+    }
+    
+	public Channel getChannel()
+	{
+		return (Channel)this.getUserObject();
+	}
+	
+	public String toString()
+	{
+		StringBuilder sb = new StringBuilder();
+		
+		sb.append( getChannel().getName() );
+		
+		TunerChannel channel = getChannel().getTunerChannel();
+	
+		if( channel != null )
+		{
+			sb.append( " (" );
+			sb.append( sFORMAT.format( (double)channel.getFrequency() / 1000000.0d ) + " MHz" );
+			sb.append( ")" );
+
+		}
+		
+		return sb.toString();
+	}
+	
+	public JPopupMenu getContextMenu()
+	{
+		JPopupMenu popupMenu = new JPopupMenu( "Channel Menu" );
+		popupMenu.add( getChannel().getContextMenu() );
+		
+		return popupMenu;
+	}
+	
+	public void delete()
+	{
+		Log.info( "Channel Node - deleting ..." );
+		((SiteNode)getParent()).getSite().removeChannel( getChannel() );
+		
+		Log.info( "Channel Node - saving after channel delete" );
+		save();
+		
+		Log.info( "Channel Node - removing from site node" );
+		getModel().removeNodeFromParent( ChannelNode.this );
+	}
+}