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Initial code check in continued
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dennis.sheirer
318
src/gui/SDRTrunk.java
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318
src/gui/SDRTrunk.java
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/*******************************************************************************
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* SDR Trunk
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* Copyright (C) 2014 Dennis Sheirer
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>
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******************************************************************************/
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package gui;
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import java.awt.AWTException;
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import java.awt.Dimension;
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import java.awt.EventQueue;
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import java.awt.Robot;
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import java.awt.event.ActionEvent;
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import java.awt.event.ActionListener;
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import java.awt.image.BufferedImage;
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import java.io.IOException;
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import java.nio.file.FileSystems;
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import java.nio.file.Files;
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import java.nio.file.Path;
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import javax.imageio.ImageIO;
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import javax.swing.JFrame;
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import javax.swing.JMenu;
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import javax.swing.JMenuBar;
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import javax.swing.JMenuItem;
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import javax.swing.JSeparator;
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import log.Log;
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import net.miginfocom.swing.MigLayout;
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import properties.SystemProperties;
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import source.tuner.TunerSelectionListener;
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import spectrum.SpectralDisplayPanel;
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import util.TimeStamp;
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import com.jidesoft.swing.JideSplitPane;
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import controller.ControllerPanel;
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import controller.ResourceManager;
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public class SDRTrunk
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{
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private ResourceManager mResourceManager;
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private ControllerPanel mControllerPanel;
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private SpectralDisplayPanel mSpectralPanel;
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private JFrame mMainGui = new JFrame();
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public SDRTrunk()
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{
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//Setup the application home directory
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Path home = getHomePath();
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//Load properties file
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if( home != null )
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{
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loadProperties( home );
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}
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//Start the logger
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Log.init();
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//Log current properties setting
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SystemProperties.getInstance().logCurrentSettings();
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/**
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* Construct the resource manager now, so that it can use the system
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* properties that were just loaded
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*/
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mResourceManager = new ResourceManager();
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//Initialize the GUI
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initGUI();
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Log.info( "Starting the main gui" );
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//Start the gui
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EventQueue.invokeLater( new Runnable()
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{
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public void run()
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{
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try
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{
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mMainGui.setVisible( true );
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}
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catch( Exception e )
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{
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e.printStackTrace();
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}
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}
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} );
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}
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/**
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* Launch the application.
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*/
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public static void main( String[] args )
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{
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new SDRTrunk();
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}
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/**
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* Initialize the contents of the frame.
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*/
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private void initGUI()
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{
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mMainGui.setLayout( new MigLayout( "insets 0 0 0 0 ",
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"[grow,fill]",
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"[grow,fill]") );
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mControllerPanel = new ControllerPanel( mResourceManager );
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mSpectralPanel = new SpectralDisplayPanel( mResourceManager );
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//Register spectral panel to receive tuner selection events
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mControllerPanel.getController()
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.addListener( (TunerSelectionListener)mSpectralPanel );
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//Add spectrum panel to receive channel change events
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mResourceManager.getChannelManager().addListener( mSpectralPanel );
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//init() the controller to load tuners and playlists
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mControllerPanel.getController().init();
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//Fire first tuner selection so it is displayed in the spectrum/waterfall
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mControllerPanel.getController().fireFirstTunerSelected();
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/**
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* Setup main JFrame window
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*/
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mMainGui.setTitle( "SDRTrunk" );
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mMainGui.setBounds( 100, 100, 1280, 800 );
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mMainGui.setDefaultCloseOperation( JFrame.EXIT_ON_CLOSE );
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mSpectralPanel.setPreferredSize( new Dimension( 1280, 400 ) );
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JideSplitPane splitPane = new JideSplitPane( JideSplitPane.VERTICAL_SPLIT );
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splitPane.setDividerSize( 5 );
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splitPane.add( "Denny", mSpectralPanel );
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splitPane.add( "Denny2", mControllerPanel );
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mMainGui.add( splitPane, "cell 0 0,span,grow");
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/**
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* Menu items
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*/
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JMenuBar menuBar = new JMenuBar();
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mMainGui.setJMenuBar( menuBar );
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JMenu fileMenu = new JMenu( "File" );
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menuBar.add( fileMenu );
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JMenuItem settingsMenu = new JMenuItem( "Icon Manager" );
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settingsMenu.addActionListener( new ActionListener()
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{
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@Override
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public void actionPerformed( ActionEvent arg0 )
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{
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mControllerPanel.getController().showIconManager();
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}
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} );
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fileMenu.add( settingsMenu );
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fileMenu.add( new JSeparator() );
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JMenuItem exitMenu = new JMenuItem( "Exit" );
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exitMenu.addActionListener(
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new ActionListener()
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{
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public void actionPerformed( ActionEvent event )
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{
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System.exit( 0 );
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}
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}
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);
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fileMenu.add( exitMenu );
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JMenuItem screenCaptureItem = new JMenuItem( "Screen Capture" );
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screenCaptureItem.addActionListener( new ActionListener()
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{
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@Override
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public void actionPerformed( ActionEvent arg0 )
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{
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try
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{
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Robot robot = new Robot();
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final BufferedImage image =
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robot.createScreenCapture( mMainGui.getBounds() );
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SystemProperties props = SystemProperties.getInstance();
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Path capturePath = props.getApplicationFolder( "screen_captures" );
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if( !Files.exists( capturePath ) )
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{
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try
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{
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Files.createDirectory( capturePath );
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}
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catch ( IOException e )
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{
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Log.error( "Couldn't create 'screen_captures' "
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+ "subdirectory in the " +
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"SDRTrunk application directory" );
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}
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}
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String filename = TimeStamp.getTimeStamp( "_" ) +
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"_screen_capture.png";
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final Path captureFile = capturePath.resolve( filename );
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EventQueue.invokeLater( new Runnable()
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{
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@Override
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public void run()
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{
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try
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{
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ImageIO.write( image, "png",
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captureFile.toFile() );
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}
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catch ( IOException e )
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{
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Log.error( "Couldn't write screen capture to "
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+ "file [" + captureFile.toString() + "]" );
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}
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}} );
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}
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catch ( AWTException e )
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{
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Log.error( "Exception while taking screen capture - " +
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e.getLocalizedMessage() );
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}
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}
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} );
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menuBar.add( screenCaptureItem );
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}
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/**
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* Loads the application properties file from the user's home directory,
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* creating the properties file for the first-time, if necessary
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*/
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private void loadProperties( Path homePath )
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{
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Path propsPath = homePath.resolve( "SDRTrunk.properties" );
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if( !Files.exists( propsPath ) )
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{
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try
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{
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Log.info( "SDRTrunk - creating application properties file [" +
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propsPath.toAbsolutePath() + "]" );
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Files.createFile( propsPath );
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}
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catch ( IOException e )
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{
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Log.error( "SDRTrunk - couldn't create application properties "
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+ "file [" + propsPath.toAbsolutePath() );
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}
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}
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if( Files.exists( propsPath ) )
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{
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SystemProperties.getInstance().load( propsPath );
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}
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else
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{
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Log.error( "SDRTrunk - couldn't find or recreate the SDRTrunk " +
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"application properties file" );
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}
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}
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/**
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* Gets (or creates) the SDRTRunk application home directory.
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*
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* Note: the user can change this setting to allow log files and other
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* files to reside elsewhere on the file system.
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*/
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private Path getHomePath()
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{
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Path homePath = FileSystems.getDefault()
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.getPath( System.getProperty( "user.home" ), "SDRTrunk" );
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if( !Files.exists( homePath ) )
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{
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try
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{
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Files.createDirectory( homePath );
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Log.info( "SDRTrunk - created application home directory [" +
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homePath.toString() + "]" );
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}
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catch ( Exception e )
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{
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homePath = null;
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Log.error( "SDRTrunk: exception while creating SDRTrunk home " +
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"directory in the user's home directory" );
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}
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}
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return homePath;
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}
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}
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