/**
* Copyright (C) 2002-2012 The FreeCol Team
*
* This file is part of FreeCol.
*
* FreeCol is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 2 of the License, or
* (at your option) any later version.
*
* FreeCol is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with FreeCol. If not, see <http://www.gnu.org/licenses/>.
*/
package net.sf.freecol.client.gui.panel;
import java.io.File;
import java.io.FileFilter;
import org.freecolandroid.repackaged.javax.swing.JList;
/**
* A list for displaying files.
*/
public class FileList extends JList {
/**
* Creates a <code>FileList</code> displaying the contents
* of the given directory.
*
* @param directory The directory to list files from.
*/
public FileList(File directory) {
super();
setListData(getEntries(directory, getDefaultFileFilter()));
}
/**
* Creates a <code>FileList</code> displaying the contents
* of the given directory.
*
* @param directory The directory to list files from.
* @param fileFilter The filter to apply when displaying the files.
*/
public FileList(File directory, FileFilter fileFilter) {
super();
setListData(getEntries(directory, fileFilter));
}
private FileListEntry[] getEntries(File directory, FileFilter fileFilter) {
if (directory == null) {
throw new NullPointerException();
}
if (fileFilter == null) {
throw new NullPointerException();
}
File[] files = directory.listFiles(fileFilter);
FileListEntry[] fileListEntries;
if (files != null) {
fileListEntries = new FileListEntry[files.length];
} else {
fileListEntries = new FileListEntry[0];
}
for (int i=0; i<fileListEntries.length; i++) {
fileListEntries[i] = new FileListEntry(files[i]);
}
return fileListEntries;
}
/**
* Gets the default file filter.
* @return A filter that accepts any file ending with ".fsg".
*/
public FileFilter getDefaultFileFilter() {
FileFilter ff = new FileFilter() {
public boolean accept(File file) {
String name = file.getName();
return (name.length() >= 4 && name.substring(name.length()-4).equals(".fsg"));
}
};
return ff;
}
/**
* A single entry in the <code>FileList</code>.
*/
public class FileListEntry {
private File file;
public FileListEntry(File file) {
this.file = file;
}
/**
* Gets a string representation of the file.
*/
public String toString() {
String name = file.getName();
return name.substring(0, name.length()-4);
}
/**
* Gets the file.
* @return The <code>File</code>
*/
public File getFile() {
return file;
}
}
}