/*
* Copyright (C) 2003-2006 Gerd Wagner
* colbell@users.sourceforge.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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
package net.sourceforge.squirrel_sql.client.gui;
import net.sourceforge.squirrel_sql.client.gui.desktopcontainer.ISessionWidget;
import net.sourceforge.squirrel_sql.fw.id.IIdentifier;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Vector;
/**
* Allows to acces open Session windows by Session and by opening sequence.
*/
public class SessionWindowsHolder
{
HashMap<IIdentifier, List<ISessionWidget>> _framesBySessionIdentifier = new HashMap<IIdentifier, List<ISessionWidget>>();
HashMap<ISessionWidget, IIdentifier> _sessionIdentifierByFrame = new HashMap<ISessionWidget, IIdentifier>();
Vector<ISessionWidget> _framesInOpeningSequence = new Vector<ISessionWidget>();
public int addFrame(IIdentifier sessionIdentifier, ISessionWidget sessionWidget)
{
List<ISessionWidget> windowList = _framesBySessionIdentifier.get(sessionIdentifier);
if (windowList == null)
{
windowList = new ArrayList<ISessionWidget>();
_framesBySessionIdentifier.put(sessionIdentifier, windowList);
}
windowList.add(sessionWidget);
_framesInOpeningSequence.add(sessionWidget);
_sessionIdentifierByFrame.put(sessionWidget, sessionIdentifier);
return windowList.size();
}
public ISessionWidget[] getFramesOfSession(IIdentifier sessionIdentifier)
{
List<ISessionWidget> list = _framesBySessionIdentifier.get(sessionIdentifier);
if(null == list)
{
return new ISessionWidget[0];
}
else
{
return list.toArray(new ISessionWidget[list.size()]);
}
}
public void removeWindow(ISessionWidget sessionWidget)
{
IIdentifier sessionIdentifier = _sessionIdentifierByFrame.get(sessionWidget);
if(null == sessionIdentifier)
{
throw new IllegalArgumentException("Unknown Frame " + sessionWidget.getTitle());
}
List<ISessionWidget> framesOfSession = _framesBySessionIdentifier.get(sessionIdentifier);
framesOfSession.remove(sessionWidget);
_framesInOpeningSequence.remove(sessionWidget);
_sessionIdentifierByFrame.remove(sessionWidget);
}
public void removeAllWindows(IIdentifier sessionId)
{
ISessionWidget[] framesOfSession = getFramesOfSession(sessionId);
for (int i = 0; i < framesOfSession.length; i++)
{
_framesInOpeningSequence.remove(framesOfSession[i]);
_sessionIdentifierByFrame.remove(framesOfSession[i]);
}
_framesBySessionIdentifier.remove(sessionId);
}
public ISessionWidget getNextSessionWindow(ISessionWidget sessionWindow)
{
int nextIx = _framesInOpeningSequence.indexOf(sessionWindow) + 1;
if(nextIx < _framesInOpeningSequence.size())
{
return _framesInOpeningSequence.get(nextIx);
}
else
{
if(1 < _framesInOpeningSequence.size())
{
return _framesInOpeningSequence.get(0);
}
else
{
return sessionWindow;
}
}
}
public ISessionWidget getPreviousSessionWindow(ISessionWidget sessionWindow)
{
int prevIx = _framesInOpeningSequence.indexOf(sessionWindow) -1;
if( 0 <= prevIx)
{
return _framesInOpeningSequence.get(prevIx);
}
else
{
if(1 < _framesInOpeningSequence.size())
{
return _framesInOpeningSequence.get(_framesInOpeningSequence.size() - 1);
}
else
{
return sessionWindow;
}
}
}
}