/*FreeMind - A Program for creating and viewing Mindmaps
*Copyright (C) 2000-2006 Joerg Mueller, Daniel Polansky, Christian Foltin and others.
*
*See COPYING for Details
*
*This program 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.
*
*This program 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 this program; if not, write to the Free Software
*Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*
* Created on 10.01.2006
*/
package freemind.modes.browsemode;
import java.io.IOException;
import java.io.StringReader;
import java.util.HashMap;
import javax.swing.ImageIcon;
import freemind.main.FreeMindMain;
import freemind.main.Tools.SingleDesEncrypter;
import freemind.main.XMLParseException;
import freemind.modes.ControllerAdapter;
import freemind.modes.MapAdapter;
import freemind.modes.MindIcon;
import freemind.modes.ModeController;
import freemind.modes.NodeAdapter;
import freemind.modes.common.dialogs.EnterPasswordDialog;
/**
* @author foltin
*
*/
public class EncryptedBrowseNode extends BrowseNodeModel {
private static ImageIcon encryptedIcon;
private static ImageIcon decryptedIcon;
private String encryptedContent;
private boolean isDecrypted = false;
// Logging:
static protected java.util.logging.Logger logger;
private final ModeController mModeController;
/**
*/
public EncryptedBrowseNode(FreeMindMain frame, ModeController modeController) {
this(null, frame, modeController);
}
/**
*/
public EncryptedBrowseNode(Object userObject, FreeMindMain frame,
ModeController modeController) {
super(userObject, frame, modeController.getMap());
this.mModeController = modeController;
if (logger == null)
logger = frame.getLogger(this.getClass().getName());
if (encryptedIcon == null) {
encryptedIcon = MindIcon.factory("encrypted").getIcon();
}
if (decryptedIcon == null) {
decryptedIcon = MindIcon.factory("decrypted").getIcon();
}
updateIcon();
}
public void updateIcon() {
setStateIcon("encryptedNode", (isDecrypted) ? decryptedIcon
: encryptedIcon);
}
public void setFolded(boolean folded) {
if (isDecrypted || folded) {
super.setFolded(folded);
return;
}
ControllerAdapter browseController = (ControllerAdapter) mModeController;
// get password:
final EnterPasswordDialog pwdDialog = new EnterPasswordDialog(null,
browseController, false);
pwdDialog.setModal(true);
pwdDialog.show();
if (pwdDialog.getResult() == EnterPasswordDialog.CANCEL) {
return;
}
SingleDesEncrypter encrypter = new SingleDesEncrypter(
pwdDialog.getPassword());
// Decrypt
String decrypted = encrypter.decrypt(encryptedContent);
if (decrypted == null)
return;
HashMap IDToTarget = new HashMap();
String[] childs = decrypted.split(ModeController.NODESEPARATOR);
// and now? paste it:
for (int i = childs.length - 1; i >= 0; i--) {
String string = childs[i];
logger.finest("Decrypted '" + string + "'.");
// if the encrypted node is empty, we skip the insert.
if (string.length() == 0)
continue;
try {
NodeAdapter node = (NodeAdapter) browseController
.createNodeTreeFromXml(new StringReader(string),
IDToTarget);
// now, the import is finished. We can inform others about
// the new nodes:
browseController.insertNodeInto(node, this);
MapAdapter model = browseController.getModel();
browseController.invokeHooksRecursively(node, model);
super.setFolded(folded);
browseController.nodeChanged(this);
browseController.nodeStructureChanged(this);
isDecrypted = true;
updateIcon();
} catch (XMLParseException e) {
freemind.main.Resources.getInstance().logException(e);
return;
} catch (IOException e) {
freemind.main.Resources.getInstance().logException(e);
return;
}
}
}
/**
*
*/
public void setAdditionalInfo(String info) {
encryptedContent = info;
isDecrypted = false;
}
}