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Viewing changes to src/org/herac/tuxguitar/gui/util/FileChooser.java

  • Committer: Bazaar Package Importer
  • Author(s): Philippe Coval
  • Date: 2008-06-19 00:30:30 UTC
  • mto: (5.1.2 sid)
  • mto: This revision was merged to the branch mainline in revision 3.
  • Revision ID: james.westby@ubuntu.com-20080619003030-h719szrhsngou7c6
Tags: upstream-1.0
Import upstream version 1.0

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src/org/herac/tuxguitar/gui/util/FileChooser.java
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/*
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 * Created on 08-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.util;
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import org.eclipse.swt.SWT;
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import org.eclipse.swt.widgets.FileDialog;
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import org.eclipse.swt.widgets.Shell;
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import org.herac.tuxguitar.gui.TuxGuitar;
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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 Window - Preferences - Java - Code Style - Code Templates
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 */
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public class FileChooser {
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    public static FilterFormat OPEN_FORMAT = instance().new FilterFormat(new String[] {  "*.tg;*.gp3;*.gp4;*.gp5;*.ptb" },new String[] {  "Suported Files (*.tg,*.gp3,*.gp4,*.gp5,*.ptb)"});
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    public static FilterFormat IMPORT_MIDI_FORMAT = instance().new FilterFormat(new String[] { "*.mid" },new String[] { "Suported Files (*.mid)" });    
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    public static FilterFormat SAVE_FORMAT = instance().new FilterFormat(new String[] { "*.gp4", "*.gp3", "*.tg" },null);
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    public static FilterFormat EXPORT_MIDI_FORMAT = instance().new FilterFormat(new String[] { "*.mid" },null);
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    public static FilterFormat EXPORT_PDF_FORMAT = instance().new FilterFormat(new String[] { "*.pdf" },null);
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    public static FilterFormat EXPORT_ASCII_FORMAT = instance().new FilterFormat(new String[] { "*.tab" },null);
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    public static FilterFormat ALL_FORMAT = instance().new FilterFormat(null,null);
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        private static FileChooser instance;
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    public FileChooser() {
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    }    
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    public static FileChooser instance() {
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        if(instance == null){
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                instance = new FileChooser();
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        }
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                return instance;
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        }
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    public String open(Shell parent,FilterFormat format) {      
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        FileDialog dialog = new FileDialog(parent,SWT.OPEN);
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        dialog.setFilterPath(getPath());
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        dialog.setFileName(getFileName(format));
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        dialog.setFilterNames(format.filterNames);        
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        dialog.setFilterExtensions(format.filterExtensions);                
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        return dialog.open();
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    }
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    public String save(Shell parent, FilterFormat format) {     
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        FileDialog dialog = new FileDialog(parent,SWT.SAVE);        
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        dialog.setFilterPath(getPath());
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        dialog.setFileName(getFileName(format));
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        dialog.setFilterNames(format.filterNames);
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        dialog.setFilterExtensions(format.filterExtensions);
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        return dialog.open();
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    }    
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    private String getPath(){           
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        return TuxGuitar.instance().getFileHistory().getFilePath();
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    }
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    private String getFileName(FilterFormat format){
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        if(format == null || format.filterExtensions == null){
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                return null;
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        }
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        String fileName = TuxGuitar.instance().getFileHistory().getFileName();          
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        for(int i = 0; i < format.filterExtensions.length; i ++){
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                String fileExtension = fileName.substring(fileName.lastIndexOf('.')).toLowerCase();
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                int startIndex = format.filterExtensions[i].indexOf(fileExtension);
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                int endIndex = fileExtension.length() + startIndex;
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                if(startIndex > 0 && (endIndex == format.filterExtensions[i].length() || format.filterExtensions[i].charAt(endIndex) == ';')){                  
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                        return fileName;
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                }
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        }       
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        if(format.filterExtensions.length > 0 && fileName.lastIndexOf('.') > 0){                
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                int index = fileName.lastIndexOf('.');
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                return (fileName.substring(0,fileName.lastIndexOf('.')) + format.filterExtensions[0].substring(format.filterExtensions[0].lastIndexOf('.')));                   
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        }
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        return null;
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    }
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    private class FilterFormat{
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        private String[] filterExtensions;
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        private String[] filterNames;
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        private FilterFormat(String[] filterExtensions, String[] filterNames) {
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                        this.filterExtensions = filterExtensions;
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                        this.filterNames = filterNames;
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                }               
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    }
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}
 
 
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