~ubuntu-branches/ubuntu/oneiric/tuxguitar/oneiric

package org.herac.tuxguitar.gui.tools.custom.converter;

 

import java.util.Iterator;

 

import org.eclipse.swt.SWT;

import org.eclipse.swt.widgets.Combo;

import org.eclipse.swt.widgets.Composite;

import org.herac.tuxguitar.io.base.TGFileFormat;

import org.herac.tuxguitar.io.base.TGFileFormatManager;

import org.herac.tuxguitar.io.base.TGSongExporter;

 

public class DestinationFileTypeCombo {

        

        /** the combo box of available output formats */

        protected Combo comboBox = null;

        

        /** index of the last OutputStream plugin, the rest are exporters and treated differently */

        protected int lastOutputStreamIndex = -1;

        

        /** instantiates a combo */

        public DestinationFileTypeCombo(Composite parent) {

                

                this.comboBox = new Combo(parent, SWT.DROP_DOWN | SWT.READ_ONLY);

                this.init();

                

        }

        

        /** initializes combo box */

        private void init() {

                

                // fill in the combo with input streams and exporters

                Iterator outputStreams = TGFileFormatManager.instance().getOutputFormats().iterator();

                while (outputStreams.hasNext()) {

                        this.comboBox.add(((TGFileFormat)outputStreams.next()).getSupportedFormats());

                        this.lastOutputStreamIndex++;

                }

                

                Iterator exporters = TGFileFormatManager.instance().getExporters();

                while (exporters.hasNext()) {

                        TGSongExporter curExporter = (TGSongExporter)exporters.next();

                        // curExporter.configure(true); -- still not supported by most plugins, and old tuxguitar

                        this.comboBox.add(curExporter.getFileFormat().getSupportedFormats());

                }

                

                if (this.lastOutputStreamIndex!=-1) // first one is default

                        this.comboBox.select(0);

                

        }

        

        /** Gets the destination file extension */

        String getExtension() {

                String extension = this.comboBox.getItem(this.comboBox.getSelectionIndex()).trim();

                // check if the extension is multiple

                int index = extension.indexOf(";");

                if (index == -1) 

                        index = extension.length();

                

                // remove * and multiple extensions (first is good enough)

                extension = extension.substring(extension.indexOf("."), index );

                return extension;

        }

        

        public void setLayoutData(Object layoutData){

                this.comboBox.setLayoutData( layoutData );

        }

}