/* $RCSfile$
* $Author: hansonr $
* $Date: 2009-07-01 01:58:33 +0200 (mer., 01 juil. 2009) $
* $Revision: 11158 $
*
* Copyright (C) 2002-2005 The Jmol Development Team
*
* Contact: jmol-developers@lists.sf.net
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*/
package org.openscience.jmol.app.jmolpanel;
import java.awt.event.ActionListener;
import java.awt.event.WindowListener;
import java.awt.event.MouseListener;
import java.awt.event.MouseAdapter;
import java.awt.event.MouseEvent;
import javax.swing.ListSelectionModel;
import javax.swing.JList;
import javax.swing.JButton;
import javax.swing.JDialog;
import javax.swing.JPanel;
import org.jmol.i18n.GT;
import org.openscience.jmol.app.jmolpanel.JmolPanel;
/**
* Manages a list of recently opened files.
*
* @author Bradley A. Smith (bradley@baysmith.com)
*/
class RecentFilesDialog extends JDialog implements ActionListener,
WindowListener {
String selectedFileName = null;
private static final int MAX_FILES = 10;
private JButton okButton;
private JButton cancelButton;
String[] files = new String[MAX_FILES];
JList fileList;
java.util.Properties props;
/** Creates a hidden recent files dialog
* @param boss
*/
public RecentFilesDialog(java.awt.Frame boss) {
super(boss, GT._("Recent Files"), true);
props = new java.util.Properties();
getFiles();
getContentPane().setLayout(new java.awt.BorderLayout());
JPanel buttonPanel = new JPanel();
okButton = new JButton(GT._("Open"));
okButton.addActionListener(this);
buttonPanel.add(okButton);
cancelButton =
new JButton(GT._("Cancel"));
cancelButton.addActionListener(this);
buttonPanel.add(cancelButton);
getContentPane().add("South", buttonPanel);
fileList = new JList(files);
fileList.setSelectedIndex(0);
fileList.setSelectionMode(ListSelectionModel.SINGLE_SELECTION);
MouseListener dblClickListener = new MouseAdapter() {
public void mouseClicked(MouseEvent e) {
if (e.getClickCount() == 2) {
int dblClickIndex = fileList.locationToIndex(e.getPoint());
if (dblClickIndex >= 0 &&
dblClickIndex < files.length &&
files[dblClickIndex] != null) {
selectedFileName = files[dblClickIndex];
close();
}
}
}
};
fileList.addMouseListener(dblClickListener);
getContentPane().add("Center", fileList);
// System.out.println("I am setting my location relative to:" + boss);
setLocation(100, 100);
pack();
}
private void getFiles() {
props = JmolPanel.historyFile.getProperties();
for (int i = 0; i < MAX_FILES; i++) {
files[i] = props.getProperty("recentFilesFile" + i);
}
}
/**
* Adds this file to the history. If already present,
* this file is premoted to the top position.
* @param name Name of the file
*/
public void addFile(String name) {
int currentPosition = -1;
//Find if file is already present
for (int i = 0; i < MAX_FILES; i++) {
if ((files[i] != null) && files[i].equals(name)) {
currentPosition = i;
}
}
//No change so cope out
if (currentPosition == 0) {
return;
}
//present so shift files below current position up one,
//removing current position
if (currentPosition > 0) {
for (int i = currentPosition; i < MAX_FILES - 1; i++) {
files[i] = files[i + 1];
}
}
// Shift everything down one
for (int j = MAX_FILES - 2; j >= 0; j--) {
files[j + 1] = files[j];
}
//Insert file at head of list
files[0] = name;
fileList.setListData(files);
fileList.setSelectedIndex(0);
pack();
saveList();
}
/** Saves the list to the history file. Called automaticaly when files are added **/
public void saveList() {
for (int i = 0; i < 10; i++) {
if (files[i] != null) {
props.setProperty("recentFilesFile" + i, files[i]);
}
}
JmolPanel.historyFile.addProperties(props);
}
/**
* @return String The name of the file picked or null if the action was aborted.
**/
public String getFile() {
return selectedFileName;
}
public void windowClosing(java.awt.event.WindowEvent e) {
cancel();
close();
}
void cancel() {
selectedFileName = null;
}
void close() {
hide();
}
public void actionPerformed(java.awt.event.ActionEvent e) {
if (e.getSource() == okButton) {
int fileIndex = fileList.getSelectedIndex();
if (fileIndex < files.length) {
selectedFileName = files[fileIndex];
close();
}
} else if (e.getSource() == cancelButton) {
cancel();
close();
}
}
public void windowClosed(java.awt.event.WindowEvent e) {
}
public void windowOpened(java.awt.event.WindowEvent e) {
}
public void windowIconified(java.awt.event.WindowEvent e) {
}
public void windowDeiconified(java.awt.event.WindowEvent e) {
}
public void windowActivated(java.awt.event.WindowEvent e) {
}
public void windowDeactivated(java.awt.event.WindowEvent e) {
}
public void notifyFileOpen(String fullPathName) {
if (fullPathName != null)
addFile(fullPathName);
}
}