/*
* This file is part of muCommander, http://www.mucommander.com
* Copyright (C) 2002-2012 Maxence Bernard
*
* muCommander 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 3 of the License, or
* (at your option) any later version.
*
* muCommander 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, see <http://www.gnu.org/licenses/>.
*/
package com.mucommander.ui.action;
import java.io.IOException;
import java.io.OutputStream;
import java.util.Hashtable;
import java.util.Iterator;
import java.util.Map;
import javax.swing.KeyStroke;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import com.mucommander.RuntimeConstants;
import com.mucommander.io.backup.BackupOutputStream;
import com.mucommander.ui.text.KeyStrokeUtils;
import com.mucommander.xml.XmlAttributes;
import com.mucommander.xml.XmlWriter;
/**
* This class is responsible for writing the actions.
* When actions are modified, they are written to the user's actions file.
*
* @author Maxence Bernard, Arik Hadas
*/
class ActionKeymapWriter extends ActionKeymapIO {
private static final Logger LOGGER = LoggerFactory.getLogger(ActionKeymapWriter.class);
ActionKeymapWriter() {}
public void create() throws IOException {
BackupOutputStream bos = new BackupOutputStream(getActionsFile());
try {
new Writer(bos).writeKeyMap(null);
} catch (Exception e) {
LOGGER.debug("Caught exception", e);
} finally {
bos.close();
}
}
void write() throws IOException {
Map<String, KeyStroke[]> combinedMapping = new Hashtable<String, KeyStroke[]>();
Iterator<String> modifiedActionsIterator = ActionKeymap.getCustomizedActions();
while(modifiedActionsIterator.hasNext()) {
String actionId = modifiedActionsIterator.next();
KeyStroke[] keyStrokes = new KeyStroke[2];
keyStrokes[0] = ActionKeymap.getAccelerator(actionId);
keyStrokes[1] = ActionKeymap.getAlternateAccelerator(actionId);
combinedMapping.put(actionId, keyStrokes);
}
BackupOutputStream bos = new BackupOutputStream(getActionsFile());
try {
new Writer(bos).writeKeyMap(combinedMapping);
wereActionsModified = false;
} catch (Exception e) {
LOGGER.debug("Caught exception", e);
} finally {
bos.close();
}
}
private static class Writer {
private XmlWriter writer = null;
private Writer(OutputStream stream) throws IOException {
this.writer = new XmlWriter(stream);
}
private void writeKeyMap(Map<String, KeyStroke[]> actionMap) throws IOException {
try {
writer.writeCommentLine("See http://trac.mucommander.com/wiki/ActionKeyMap for information on how to customize this file");
XmlAttributes rootElementAttributes = new XmlAttributes();
rootElementAttributes.add(VERSION_ATTRIBUTE, RuntimeConstants.VERSION);
writer.startElement(ROOT_ELEMENT, rootElementAttributes, true);
if (actionMap != null) {
for(String actionId: actionMap.keySet())
addMapping(actionId, actionMap.get(actionId));
}
} finally {
writer.endElement(ROOT_ELEMENT);
}
}
private void addMapping(String actionId, KeyStroke[] keyStrokes) throws IOException {
XmlAttributes attributes = new XmlAttributes();
attributes.add(ID_ATTRIBUTE, actionId);
LOGGER.trace(" Writing mapping of " + actionId + " to " + keyStrokes[0] + " and " + keyStrokes[1]);
if (keyStrokes[0] != null)
attributes.add(PRIMARY_KEYSTROKE_ATTRIBUTE, KeyStrokeUtils.getKeyStrokeRepresentation(keyStrokes[0]));
if (keyStrokes[1] != null)
attributes.add(ALTERNATE_KEYSTROKE_ATTRIBUTE, KeyStrokeUtils.getKeyStrokeRepresentation(keyStrokes[1]));
writer.writeStandAloneElement(ACTION_ELEMENT, attributes);
}
}
}