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synced 2026-11-12 08:37:25 -05:00
[WIP] Cleanup. Refactors DecoderFX application to the gui package.
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Denny
@@ -0,0 +1,385 @@
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/*******************************************************************************
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* sdr-trunk
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* Copyright (C) 2014-2018 Dennis Sheirer
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*
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* This program is free software: you can redistribute it and/or modify it under the terms of the GNU General Public
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* License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any
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* later version.
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*
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* This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied
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* warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 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 along with this program.
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* If not, see <http://www.gnu.org/licenses/>
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*
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******************************************************************************/
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package io.github.dsheirer.gui.instrument;
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import io.github.dsheirer.gui.instrument.decoder.AbstractDecoderPane;
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import io.github.dsheirer.sample.Listener;
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import io.github.dsheirer.sample.buffer.ReusableBuffer;
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import io.github.dsheirer.sample.buffer.ReusableBufferBroadcaster;
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import io.github.dsheirer.source.IControllableFileSource;
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import io.github.dsheirer.source.IFrameLocationListener;
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import io.github.dsheirer.source.wave.ComplexWaveSource;
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import io.github.dsheirer.source.wave.RealWaveSource;
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import javafx.event.ActionEvent;
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import javafx.event.EventHandler;
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import javafx.geometry.Pos;
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import javafx.scene.control.Alert;
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import javafx.scene.control.Button;
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import javafx.scene.control.ButtonType;
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import javafx.scene.control.Label;
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import javafx.scene.control.TextField;
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import javafx.scene.layout.HBox;
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import org.kordamp.ikonli.fontawesome.FontAwesome;
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import org.kordamp.ikonli.javafx.FontIcon;
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import org.slf4j.Logger;
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import org.slf4j.LoggerFactory;
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import javax.sound.sampled.UnsupportedAudioFileException;
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import java.io.File;
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import java.io.IOException;
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public class PlaybackController extends HBox implements IFrameLocationListener
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{
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private final static Logger mLog = LoggerFactory.getLogger(PlaybackController.class);
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private Button mRewindButton;
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private TextField mPlaybackPositionText;
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private Button mPlay1Button;
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private Button mPlay10Button;
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private Button mPlay30Button;
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private Button mPlay100Button;
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private Button mPlay1000Button;
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private Button mPlay2000Button;
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private HBox mControlsBox;
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private Label mFileLabel;
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private EventHandler<ActionEvent> mPlayEventHandler;
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private AbstractDecoderPane mSampleRateListener;
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private IControllableFileSource mControllableFileSource;
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private ReusableBufferBroadcaster mReusableBufferBroadcaster = new ReusableBufferBroadcaster();
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public PlaybackController()
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{
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super(10);
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getChildren().addAll(getControlsBox(), getFileLabel());
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disableControls();
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}
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public void setSampleRateListener(AbstractDecoderPane decoderPane)
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{
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mSampleRateListener = decoderPane;
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if(mSampleRateListener != null && mControllableFileSource != null)
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{
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mSampleRateListener.setSampleRate(mControllableFileSource.getSampleRate());
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}
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}
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public void load(File file)
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{
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if(file != null && file.isFile())
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{
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if(ComplexWaveSource.supports(file))
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{
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try
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{
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mControllableFileSource = new ComplexWaveSource(file);
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mControllableFileSource.setListener(this);
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((ComplexWaveSource)mControllableFileSource).setListener(mReusableBufferBroadcaster);
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mControllableFileSource.open();
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if(mSampleRateListener != null)
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{
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mSampleRateListener.setSampleRate(mControllableFileSource.getSampleRate());
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}
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}
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catch(UnsupportedAudioFileException e)
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{
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mLog.error("Unsupported Audio File Type [" + (file != null ? file.getAbsolutePath() : "null") + "]");
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Alert alert = new Alert(Alert.AlertType.ERROR, "The file type is unsupported.", ButtonType.OK);
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alert.show();
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return;
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}
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catch(IOException ioe)
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{
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mLog.error("Error opening file [" + (file != null ? file.getAbsolutePath() : "null") + "]", ioe);
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Alert alert = new Alert(Alert.AlertType.ERROR, "There was an error opening the file",
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ButtonType.OK);
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alert.show();
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return;
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}
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enableControls();
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}
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else if(RealWaveSource.supports(file))
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{
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try
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{
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mControllableFileSource = new RealWaveSource(file);
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mControllableFileSource.setListener(this);
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((RealWaveSource)mControllableFileSource).setListener(mReusableBufferBroadcaster);
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mControllableFileSource.open();
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if(mSampleRateListener != null)
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{
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mSampleRateListener.setSampleRate(mControllableFileSource.getSampleRate());
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}
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}
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catch(UnsupportedAudioFileException e)
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{
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mLog.error("Unsupported Audio File Type [" + (file != null ? file.getAbsolutePath() : "null") + "]");
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Alert alert = new Alert(Alert.AlertType.ERROR, "The file type is unsupported.", ButtonType.OK);
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alert.show();
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return;
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}
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catch(IOException ioe)
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{
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mLog.error("Error opening file [" + (file != null ? file.getAbsolutePath() : "null") + "]", ioe);
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Alert alert = new Alert(Alert.AlertType.ERROR, "There was an error opening the file",
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ButtonType.OK);
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alert.show();
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return;
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}
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enableControls();
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}
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getFileLabel().setText(file.getName());
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}
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}
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public void close()
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{
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if(mControllableFileSource != null)
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{
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try
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{
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mControllableFileSource.close();
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}
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catch(IOException ioe)
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{
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mLog.error("Error closing file", ioe);
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}
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}
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disableControls();
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}
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/**
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* Adds listener to receive complex buffers from this playback
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*/
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public void addListener(Listener<ReusableBuffer> listener)
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{
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mReusableBufferBroadcaster.addListener(listener);
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}
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/**
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* Removes the listener from receiving complex buffers from this playback
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*/
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public void removeListener(Listener<ReusableBuffer> listener)
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{
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mReusableBufferBroadcaster.removeListener(listener);
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}
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/**
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* Sets all of the playback controls to the specified enabled state.
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*/
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private void disableControls()
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{
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getRewindButton().setDisable(true);
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getPlaybackPositionText().setDisable(true);
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getPlay1Button().setDisable(true);
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getPlay10Button().setDisable(true);
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getPlay100Button().setDisable(true);
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getPlay1000Button().setDisable(true);
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}
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/**
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* Sets all of the playback controls to the specified enabled state.
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*/
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private void enableControls()
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{
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getRewindButton().setDisable(false);
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getPlaybackPositionText().setDisable(false);
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getPlay1Button().setDisable(false);
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getPlay10Button().setDisable(false);
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getPlay100Button().setDisable(false);
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getPlay1000Button().setDisable(false);
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}
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private HBox getControlsBox()
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{
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if(mControlsBox == null)
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{
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mControlsBox = new HBox();
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mControlsBox.getChildren().addAll(getRewindButton(), getPlaybackPositionText(), getPlay1Button(),
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getPlay10Button(), getPlay30Button(), getPlay100Button(), getPlay1000Button(), getPlay2000Button());
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}
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return mControlsBox;
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}
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private Button getRewindButton()
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{
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if(mRewindButton == null)
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{
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mRewindButton = new Button();
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mRewindButton.setGraphic(new FontIcon(FontAwesome.FAST_BACKWARD));
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}
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return mRewindButton;
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}
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private Button getPlay1Button()
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{
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if(mPlay1Button == null)
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{
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mPlay1Button = new Button("1");
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mPlay1Button.setUserData(1);
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mPlay1Button.setOnAction(getPlaybackEventHandler());
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mPlay1Button.setGraphic(new FontIcon(FontAwesome.PLAY));
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}
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return mPlay1Button;
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}
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private Button getPlay10Button()
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{
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if(mPlay10Button == null)
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{
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mPlay10Button = new Button("10");
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mPlay10Button.setUserData(10);
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mPlay10Button.setOnAction(getPlaybackEventHandler());
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mPlay10Button.setGraphic(new FontIcon(FontAwesome.FAST_FORWARD));
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}
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return mPlay10Button;
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}
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private Button getPlay30Button()
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{
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if(mPlay30Button == null)
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{
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mPlay30Button = new Button("30");
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mPlay30Button.setUserData(30);
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mPlay30Button.setOnAction(getPlaybackEventHandler());
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mPlay30Button.setGraphic(new FontIcon(FontAwesome.FAST_FORWARD));
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}
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return mPlay30Button;
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}
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private Button getPlay100Button()
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{
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if(mPlay100Button == null)
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{
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mPlay100Button = new Button("100");
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mPlay100Button.setUserData(100);
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mPlay100Button.setOnAction(getPlaybackEventHandler());
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mPlay100Button.setGraphic(new FontIcon(FontAwesome.FAST_FORWARD));
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}
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return mPlay100Button;
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}
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private Button getPlay1000Button()
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{
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if(mPlay1000Button == null)
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{
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mPlay1000Button = new Button("1000");
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mPlay1000Button.setUserData(1000);
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mPlay1000Button.setOnAction(getPlaybackEventHandler());
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mPlay1000Button.setGraphic(new FontIcon(FontAwesome.FAST_FORWARD));
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}
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return mPlay1000Button;
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}
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private Button getPlay2000Button()
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{
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if(mPlay2000Button == null)
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{
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mPlay2000Button = new Button("2000");
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mPlay2000Button.setUserData(2000);
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mPlay2000Button.setOnAction(getPlaybackEventHandler());
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mPlay2000Button.setGraphic(new FontIcon(FontAwesome.FAST_FORWARD));
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}
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return mPlay2000Button;
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}
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private EventHandler<ActionEvent> getPlaybackEventHandler()
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{
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if(mPlayEventHandler == null)
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{
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mPlayEventHandler = new EventHandler<ActionEvent>()
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{
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@Override
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public void handle(ActionEvent event)
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{
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int count = (int)((Button)event.getSource()).getUserData();
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if(mControllableFileSource != null)
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{
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try
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{
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mControllableFileSource.next(count, true);
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}
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catch(IOException ioe)
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{
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mLog.error("Error while playing samples");
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}
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}
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}
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};
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}
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return mPlayEventHandler;
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}
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private TextField getPlaybackPositionText()
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{
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if(mPlaybackPositionText == null)
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{
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mPlaybackPositionText = new TextField("0");
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mPlaybackPositionText.setAlignment(Pos.CENTER);
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mPlaybackPositionText.setPrefWidth(80);
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}
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return mPlaybackPositionText;
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}
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private Label getFileLabel()
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{
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if(mFileLabel == null)
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{
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mFileLabel = new Label();
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}
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return mFileLabel;
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}
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@Override
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public void frameLocationUpdated(int location)
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{
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getPlaybackPositionText().setText(String.valueOf(location));
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}
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@Override
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public void frameLocationReset()
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{
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mLog.info("Frame location reset ... ignoring?");
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}
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}
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