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Viewing changes to src/org/herac/tuxguitar/gui/actions/track/GoPreviousTrackAction.java

  • Committer: Bazaar Package Importer
  • Author(s): Philippe Coval
  • Date: 2007-02-04 01:41:23 UTC
  • Revision ID: james.westby@ubuntu.com-20070204014123-9pv7okph0iaiqkvw
Tags: upstream-0.9.1
Import upstream version 0.9.1

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src/org/herac/tuxguitar/gui/actions/track/GoPreviousTrackAction.java
 
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/*
 
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 * Created on 17-dic-2005
 
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 *
 
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 * TODO To change the template for this generated file go to
 
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 * Window - Preferences - Java - Code Style - Code Templates
 
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 */
 
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package org.herac.tuxguitar.gui.actions.track;
 
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import org.eclipse.swt.events.TypedEvent;
 
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import org.herac.tuxguitar.gui.actions.Action;
 
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import org.herac.tuxguitar.gui.editors.TablatureEditor;
 
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import org.herac.tuxguitar.gui.editors.tab.Caret;
 
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import org.herac.tuxguitar.gui.editors.tab.SongCoords;
 
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import org.herac.tuxguitar.gui.editors.tab.SongTrackCoords;
 
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/**
 
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 * @author julian
 
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 *
 
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 * TODO To change the template for this generated type comment go to
 
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 * Window - Preferences - Java - Code Style - Code Templates
 
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 */
 
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public class GoPreviousTrackAction extends Action{
 
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    public static final String NAME = "action.track.go-previous";
 
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    public GoPreviousTrackAction(TablatureEditor tablatureEditor) {
 
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        super(NAME,true,tablatureEditor);       
 
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    }
 
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    public boolean doAction(TypedEvent e) {
 
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        Caret caret = getEditor().getTablature().getCaret();        
 
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        SongCoords songCoords = caret.getSongCoords();
 
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        SongTrackCoords trackCoords = songCoords.getPrevTrack(caret.getSongTrackCoords());
 
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            if(trackCoords != null){
 
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                caret.update(trackCoords.getTrack().getNumber());               
 
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                redraw();
 
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            }     
 
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            return true;
 
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    }
 
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}