BluetoothConnectionPanel.java

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/*******************************************************************************
 * Copyright 2010 Neuron Robotics, LLC
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 * 
 *   http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 ******************************************************************************/
package com.neuronrobotics.sdk.ui;
 
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
 
import javax.bluetooth.RemoteDevice;
import javax.swing.JButton;
import javax.swing.JComboBox;
import javax.swing.JLabel;
import javax.swing.JProgressBar;
import javax.swing.JTextArea;
 
import net.miginfocom.swing.MigLayout;
 
import com.neuronrobotics.sdk.common.Log;
import com.neuronrobotics.sdk.util.IMonitorable;
import com.neuronrobotics.sdk.util.IProgressMonitorListener;
import com.neuronrobotics.sdk.util.ProcessMonitor;
import com.neuronrobotics.sdk.wireless.bluetooth.BlueCoveManager;
import com.neuronrobotics.sdk.wireless.bluetooth.BluetoothSerialConnection;
 
// TODO: Auto-generated Javadoc
public class BluetoothConnectionPanel extends AbstractConnectionPanel {
 
    private static final long serialVersionUID = 1L;
 
    private BluetoothSerialConnection connection;
    
    private BlueCoveManager blue = null;
    
    private boolean displayWarning = false;
    
    private JComboBox connectionCbo;
    
    private JButton search;
    
    private JProgressBar progress = new JProgressBar();
    
    private JLabel message = new JLabel();
    
    public BluetoothConnectionPanel(ConnectionDialog connectionDialog) {
        super("Bluetooth", ConnectionImageIconFactory.getIcon("images/bluetooth-icon.png"),connectionDialog);
 
        if(displayWarning) {
            return;
        }
        
        search = new JButton("Search for Devices");
        search.addActionListener(new ActionListener() {
            
            public void actionPerformed(ActionEvent arg0) {
                refresh();
            }
        });
        
        setLayout(new MigLayout("", // Layout Constraints
                 "[right][left]", // Column constraints with default align
                 "[center][center]" // Row constraints with default align
                ));
        
        connectionCbo = new JComboBox();
                
        add(new JLabel("Connection:"), "cell 0 0");
        add(connectionCbo);
        add(search, "wrap");
        add(progress, "spanx, growx");
        add(message, "spanx, growx");
    }
 
    
 
 
    /* (non-Javadoc)
     * @see com.neuronrobotics.sdk.ui.AbstractConnectionPanel#getConnection()
     */
    public BluetoothSerialConnection getConnection() {
        try {
            String port = connectionCbo.getSelectedItem().toString();
            RemoteDevice dev = blue.getDevice(port);
            connection = new BluetoothSerialConnection(blue,dev.getBluetoothAddress());
            Log.info("Using device:"+port+"\n");
        } catch(Exception e) {
            Log.warning("Unable to connect with bluetooth connection");
        }
        return connection;
    }
    
    
    /* (non-Javadoc)
     * @see com.neuronrobotics.sdk.ui.AbstractConnectionPanel#refresh()
     */
    public void refresh() {
        Log.info("Searching for devices over bluetooth...");
        
        search.setEnabled(false);
        
        connectionCbo.removeAllItems();
        connectionCbo.setEnabled(false);
 
        progress.setIndeterminate(true);
        
        message.setText("Searching...");
        
        BluetoothSearchProcess bsp = new BluetoothSearchProcess();
        
        ProcessMonitor pm = new ProcessMonitor(bsp);
        pm.addProcessMonitorListener(new IProgressMonitorListener() {
            
            
            public void onUpdate(double value) {
                // TODO Auto-generated method stub
                
            }
            
            
            public void onComplete() {
                progress.setIndeterminate(false);
                search.setEnabled(true);
                connectionCbo.setEnabled(true);
            }
        });
        pm.start();
        bsp.start();
        getConnectionDialog().pack();
    }
    
    private class BluetoothSearchProcess extends Thread implements IMonitorable {
        
        private boolean isRunning = false;
        
        /* (non-Javadoc)
         * @see java.lang.Thread#run()
         */
        public void run() {
            setName("Bowler Platform Bluetooth connection thread");
            isRunning = true;
            try {
                if (blue == null)
                    blue = new BlueCoveManager();
                message.setText("Searching for bluetooth devices, please wait...");
                String [] devices = blue.getAvailableSerialDevices(true);
                connectionCbo.removeAllItems();
                for(String s: devices) {
                    Log.info("Adding: "+s);
                    message.setText("Adding " + s);
                    connectionCbo.addItem(s);
                }
                if(devices.length == 0) {
                    message.setText("No devices found");
                }
            } catch(Exception e) {
                e.printStackTrace();
                displayWarning = true;
                String m = "BlueCove not installed properly, native library not found or missing dependancy\n\n";       
                JTextArea tx = new JTextArea();
                tx.setBorder(null);
                tx.setLineWrap(true);
                tx.setWrapStyleWord(true);
                tx.setText(m);
                tx.setColumns(20);
                removeAll();
                add(new JLabel(ConnectionImageIconFactory.getIcon("images/dialog-error.png")), "cell 0 0,ax center, ay center");
                add(tx, "cell 1 0");
            } finally {
                if (connection!=null) {
                    connection.disconnect();
                }
                
                connection = null;
                isRunning = false;
            }
        }
        
        
        /* (non-Javadoc)
         * @see com.neuronrobotics.sdk.util.IMonitorable#getPercentage()
         */
        public double getPercentage() {
            return 0;
        }
 
        
        /* (non-Javadoc)
         * @see com.neuronrobotics.sdk.util.IMonitorable#isComplete()
         */
        public boolean isComplete() {
            return !isRunning;
        }
        
    }
}