/*
* Copyright 2006 The National Library of New Zealand
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
/*
* Created on 21/04/2004
*
* To change the template for this generated file go to
* Window>Preferences>Java>Code Generation>Code and Comments
*/
package nz.govt.natlib.meta.ui.admin;
import java.awt.BorderLayout;
import java.awt.Color;
import java.awt.Dimension;
import java.awt.FlowLayout;
import java.awt.GridLayout;
import java.awt.Point;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.util.ArrayList;
import java.util.List;
import javax.swing.BorderFactory;
import javax.swing.DefaultListModel;
import javax.swing.ImageIcon;
import javax.swing.JDialog;
import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.JList;
import javax.swing.JOptionPane;
import javax.swing.JPanel;
import javax.swing.JScrollPane;
import javax.swing.JTextField;
import javax.swing.ListModel;
import javax.swing.ListSelectionModel;
import javax.swing.border.Border;
import javax.swing.border.CompoundBorder;
import javax.swing.border.EmptyBorder;
import javax.swing.border.TitledBorder;
import javax.swing.event.ListSelectionEvent;
import javax.swing.event.ListSelectionListener;
import nz.govt.natlib.meta.config.Config;
import nz.govt.natlib.meta.config.User;
import nz.govt.natlib.meta.log.LogManager;
import nz.govt.natlib.meta.log.LogMessage;
import nz.govt.natlib.meta.ui.ImageButton;
import nz.govt.natlib.meta.ui.ImagePanel;
/**
* @author AParker
*
* To change the template for this generated type comment go to
* Window>Preferences>Java>Code Generation>Code and Comments
*/
public class UserPanel extends JPanel {
private JList userList;
private ImageButton addUser, delUser;
private User[] users;
private JFrame parent;
private ListModel listModel;
private ImageIcon addPic, userPic;
private ImageIcon delPic, cancelPic;
public UserPanel(JFrame parent) {
this.parent = parent;
this.setLayout(new BorderLayout());
users = Config.getEditInstance().getUsers();
userList = new JList(Config.getEditInstance().getUsers());
listModel = userList.getModel();
jbInit();
}
public void refresh() {
users = Config.getEditInstance().getUsers();
DefaultListModel listModel = new DefaultListModel();
for (int i = 0; i < users.length; i++) {
listModel.addElement(users[i]);
}
userList.setModel(listModel);
}
private void jbInit() {
JPanel mainPnl = new JPanel();
Border userBorder = new CompoundBorder(new TitledBorder(BorderFactory
.createEtchedBorder(Color.white, new Color(148, 145, 140)),
"Add/Remove Users"), new EmptyBorder(8, 8, 8, 8));
JScrollPane scroll = new JScrollPane(userList);
JPanel bufferPnl = new JPanel();
JPanel buttonPnl = new JPanel(new GridLayout(1, 2, 5, 5));
JPanel buttonBfrPnl = new JPanel(new FlowLayout(FlowLayout.RIGHT));
mainPnl.setLayout(new BorderLayout());
userList.setSelectionMode(ListSelectionModel.SINGLE_SELECTION);
try {
addPic = new ImageIcon(ImagePanel.resolveImage("add_user.gif"));
delPic = new ImageIcon(ImagePanel.resolveImage("delete_user.gif"));
cancelPic = new ImageIcon(ImagePanel
.resolveImage("button_cancel.gif"));
userPic = new ImageIcon(ImagePanel.resolveImage("icon_user.gif"));
} catch (Exception e) {
LogManager.getInstance().logMessage(
new LogMessage(LogMessage.ERROR, e, "Image not found",
"Installation may be corrupt?"));
}
addUser = new ImageButton("Add", addPic);
addUser.addActionListener(new AddUserAction());
delUser = new ImageButton("Del", delPic);
delUser.addActionListener(new DelUserAction());
buttonPnl.add(addUser);
buttonPnl.add(delUser);
buttonBfrPnl.add(buttonPnl);
mainPnl.add(scroll, BorderLayout.CENTER);
mainPnl.add(buttonBfrPnl, BorderLayout.SOUTH);
mainPnl.setBorder(userBorder);
bufferPnl.add(mainPnl);
this.add(bufferPnl, BorderLayout.CENTER);
userList.addListSelectionListener(new ListSelectionListener() {
public void valueChanged(ListSelectionEvent arg0) {
refreshButtons();
}
});
if (users.length > 0) {
userList.setSelectedIndex(0);
}
}
private void refreshButtons() {
delUser.setEnabled(userList.getSelectedIndex() > -1);
}
private DefaultListModel getNewDefaultModel() {
DefaultListModel newListModel = new DefaultListModel();
for (int i = 0; i < listModel.getSize(); i++) {
newListModel.addElement(listModel.getElementAt(i));
}
return newListModel;
}
private void addNewUser() {
NewUserDlg dlg = new NewUserDlg();
if (dlg.showDialog()) {
String userName = dlg.getUserName();
if (userName.length() > 0) {
User user = new User(userName);
LogManager.getInstance().logMessage(LogMessage.INFO,
"Adding user " + userName);
DefaultListModel newListModel = getNewDefaultModel();
if (!newListModel.contains(user)) {
newListModel.addElement(user);
userList.setModel(newListModel);
listModel = newListModel;
userList.setSelectedIndex(listModel.getSize() - 1);
Config.getEditInstance().addUser(
new User(dlg.getUserName()));
} else {
LogManager.getInstance().logMessage(LogMessage.INFO,
"User " + userName + " already exists!");
JOptionPane.showMessageDialog(parent,
"User already exists", "User not added",
JOptionPane.ERROR_MESSAGE, userPic);
}
}
}
}
private void delUser() {
int idx = userList.getSelectedIndex();
User user = (User) userList.getSelectedValue();
if (idx > -1) {
if (JOptionPane.showConfirmDialog(this,
"Are you sure you wish to delete " + user.getName(),
"Remove User?", JOptionPane.YES_NO_OPTION,
JOptionPane.WARNING_MESSAGE, delPic) == JOptionPane.NO_OPTION) {
return;
}
LogManager.getInstance().logMessage(LogMessage.INFO,
"Removing user " + user.getName());
Config.getEditInstance().removeUser(user);
DefaultListModel newListModel = getNewDefaultModel();
userList.setModel(newListModel);
newListModel.removeElementAt(idx);
int newSize = newListModel.getSize();
if (newSize > 0) {
userList.setSelectedIndex(Math.min(idx, newSize - 1));
}
listModel = newListModel;
refreshButtons();
}
}
public List getUsers() {
ArrayList l = new ArrayList();
for (int i = 0; i < listModel.getSize(); i++) {
l.add(listModel.getElementAt(i));
}
return l;
}
private class AddUserAction implements ActionListener {
public void actionPerformed(ActionEvent e) {
addNewUser();
}
}
private class DelUserAction implements ActionListener {
public void actionPerformed(ActionEvent e) {
delUser();
}
}
private class NewUserDlg extends JDialog {
private JTextField username = new JTextField();
private ImageButton cancel = new ImageButton("Cancel", cancelPic);
private ImageButton ok = new ImageButton("Add", addPic);
private String newUserText;
public NewUserDlg() {
super(parent, true);
JPanel topPnl = new JPanel(new BorderLayout(5, 5));
getContentPane().setLayout(new BorderLayout(5, 5));
getContentPane().add(topPnl, BorderLayout.NORTH);
topPnl.setBorder(BorderFactory.createEmptyBorder(5, 5, 5, 5));
topPnl.add(username, BorderLayout.CENTER);
topPnl.add(new JLabel("Name: "), BorderLayout.WEST);
JPanel buttonPnl = new JPanel(new BorderLayout());
buttonPnl.setBorder(BorderFactory.createEmptyBorder(5, 5, 5, 5));
JPanel buttons = new JPanel(new GridLayout(1, 2, 5, 5));
buttonPnl.add(buttons, BorderLayout.EAST);
buttons.add(cancel);
buttons.add(ok);
getContentPane().add(buttonPnl, BorderLayout.SOUTH);
ActionListener okListener = new ActionListener() {
public void actionPerformed(ActionEvent e) {
newUserText = username.getText();
setVisible(false);
}
};
username.addActionListener(okListener);
ok.addActionListener(okListener);
cancel.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) {
setVisible(false);
}
});
this.setTitle("Add New User");
this.setSize(200, 86);
this.setResizable(false);
Dimension size = this.getSize();
Dimension parentSize = parent.getSize();
Point parentLoc = parent.getLocation();
int x = ((parentSize.width - size.width) / 2) + parentLoc.x;
int y = ((parentSize.height - size.height) / 2) + parentLoc.y;
this.setLocation(x, y);
}
public boolean showDialog() {
show();
boolean res = (newUserText != null) && (newUserText.length() > 0);
if (!res) {
JOptionPane.showMessageDialog(parent, "No user entered",
"User not added", JOptionPane.ERROR_MESSAGE, userPic);
}
return res;
}
public String getUserName() {
return newUserText;
}
}
}