| gvSIG desktop 1

package com.iver.cit.gvsig.project.documents.view.legend.gui;

import java.io.File;

import javax.swing.JFileChooser;

import javax.swing.filechooser.FileFilter;

import com.iver.andami.PluginServices;

import com.iver.cit.gvsig.fmap.drivers.legend.IFMapLegendDriver;

/**

 * 

 * JLegendFileChooser.java

 *

 * 

 * @author jaume dominguez faus - jaume.dominguez@iver.es Jul 22, 2008

 *

 */

public class JLegendFileChooser extends JFileChooser  {

	private static final long serialVersionUID = 8855060580358068594L;

	private static String lastPath;

	private IFMapLegendDriver[] drivers;

	private boolean write_mode = false;

	public static String driverVersion;

	public JLegendFileChooser() {

		super();

	}

	public JLegendFileChooser(IFMapLegendDriver[] legendDrivers) {

		this(legendDrivers, false);

	}

	public JLegendFileChooser(final IFMapLegendDriver[] legendDrivers, boolean write_mode) {

		super(lastPath);

		this.write_mode = write_mode;

		this.drivers = legendDrivers;

		setMultiSelectionEnabled(false);

		if (!this.write_mode){//load method->"all the drivers in one"

			this.setFileFilter(new FileFilter() {

				@Override

				public boolean accept(File f) {

					for (int i = 0; i < legendDrivers.length; i++) {

						if (legendDrivers[i].accept(f))

							return true;

					}

					return false;

				}

				@Override

				public String getDescription() {

					String strLegendFormats = "";

					for (int i = 0; i < legendDrivers.length; i++) {

						strLegendFormats += "*."+legendDrivers[i].getFileExtension();

						if (i<legendDrivers.length-1) strLegendFormats += ", ";

					}

					return PluginServices.getText(this, "all_supported_legend_formats") + 

					" ("+strLegendFormats+")";

				}

			});

		}

		else {//write method->all drivers are separated

			for (int i = 0; i < legendDrivers.length; i++) {

				final IFMapLegendDriver driver = legendDrivers[i];

				if (driver.getSupportedVersions() != null) {

					for (int j = 0; j < driver.getSupportedVersions().size(); j++) {

						final String version = driver.getSupportedVersions().get(j);

						FileFilter aFilter = new FileFilter() {

							@Override

							public boolean accept(File f) {

								return driver.accept(f);

							}

							@Override

							public String getDescription() {

								return PluginServices.getText(this, driver.getDescription()+" "+version+" (*."+driver.getFileExtension()+")");

							}

						};

						this.addChoosableFileFilter(aFilter);

					}

				}

				else {	

					FileFilter aFilter = new FileFilter() {

						@Override

						public boolean accept(File f) {

							return driver.accept(f);

						}

						@Override

						public String getDescription() {

							return PluginServices.getText(this, driver.getDescription()+" (*."+driver.getFileExtension()+")");

						}

					};

					this.addChoosableFileFilter(aFilter);

				}

			}

		}

	}

	public IFMapLegendDriver getSuitableDriver() {

		File f = getSelectedFile();

		for (int i = 0; drivers != null && i < drivers.length; i++) {

			if (drivers[i].accept(f))

				return drivers[i];

		}

		return null;

	}

	public IFMapLegendDriver getDriverFromDescription(File file) {

		if (getFileFilter() != null){

			String descripFile = getFileFilter().getDescription();

			IFMapLegendDriver myDriver = null;

			for (int i = 0; i < drivers.length; i++) {

				myDriver = drivers[i];

				String driverDesc;

				if(myDriver.getSupportedVersions() != null) {

					for (int j = 0; j < myDriver.getSupportedVersions().size(); j++) {

						driverDesc = myDriver.getDescription()+" "+myDriver.getSupportedVersions().get(j)+" (*."+myDriver.getFileExtension()+")";

						if (driverDesc.equals(descripFile)){

							driverVersion = myDriver.getSupportedVersions().get(j);

							return myDriver;

						}

					}

				}

				else { 

					driverDesc = myDriver.getDescription()+" (*."+myDriver.getFileExtension()+")";

					if (driverDesc.equals(descripFile)){

						driverVersion ="";

						return myDriver;

					}

				}

			}

		}

		return null;

	}

	public File getSelectedFile() {

		File f = super.getSelectedFile();

		IFMapLegendDriver myDriver = getDriverFromDescription(f);

		if (f!=null){

			if(myDriver != null && !(f.getPath().toLowerCase().endsWith("."+myDriver.getFileExtension()))){

				f = new File(f.getPath()+ "."+myDriver.getFileExtension());

			}

			lastPath = f.getAbsolutePath().substring(0, f.getAbsolutePath().lastIndexOf(File.separator));

		}

		return f;

	}

	public static String getDriverVersion() {

		return driverVersion;

	}

}