/*
* Created on May 18, 2005
*/
package org.flexdock.perspective;
import java.awt.Component;
import java.util.HashMap;
import java.util.Iterator;
import java.util.Vector;
import org.flexdock.docking.Dockable;
import org.flexdock.docking.DockingManager;
import org.flexdock.docking.state.DockingState;
import org.flexdock.event.EventManager;
import org.flexdock.perspective.event.RegistrationEvent;
import org.flexdock.perspective.restore.handlers.AlreadyRestoredHandler;
import org.flexdock.perspective.restore.handlers.DockPathHandler;
import org.flexdock.perspective.restore.handlers.FloatingHandler;
import org.flexdock.perspective.restore.handlers.MinimizedHandler;
import org.flexdock.perspective.restore.handlers.PointHandler;
import org.flexdock.perspective.restore.handlers.RelativeHandler;
import org.flexdock.perspective.restore.handlers.RestorationHandler;
import org.flexdock.perspective.restore.handlers.UnknownStateHandler;
import org.flexdock.util.RootWindow;
/**
* @author Christopher Butler
*/
public class RestorationManager {
private static final RestorationManager SINGLETON = new RestorationManager();
private Vector restorationHandlers = new Vector();
static {
getInstance().addHandler(new AlreadyRestoredHandler());
getInstance().addHandler(new FloatingHandler());
getInstance().addHandler(new MinimizedHandler());
getInstance().addHandler(new RelativeHandler());
getInstance().addHandler(new DockPathHandler());
getInstance().addHandler(new PointHandler());
getInstance().addHandler(new UnknownStateHandler());
}
private RestorationManager() {
//prevent instant..
}
public static RestorationManager getInstance() {
return SINGLETON;
}
public void addHandler(RestorationHandler handler) {
if(handler!=null) {
restorationHandlers.add(handler);
EventManager.dispatch(new RegistrationEvent(handler, this, true));
}
}
public boolean removeHandler(RestorationHandler handler) {
boolean ret = false;
if(handler!=null) {
ret = restorationHandlers.remove(handler);
if(ret)
EventManager.dispatch(new RegistrationEvent(handler, this, false));
}
return ret;
}
public boolean restore(Dockable dockable) {
if(dockable != null) {
DockingState info = PerspectiveManager.getInstance().getDockingState(dockable, true);
HashMap context = new HashMap();
for(Iterator it=restorationHandlers.iterator(); it.hasNext();) {
RestorationHandler handler = (RestorationHandler)it.next();
if(handler.restore(dockable, info, context))
return true;
}
}
return false;
}
public static RootWindow getRestoreWindow(Dockable dockable) {
// TODO: fix this code to keep track of the proper dialog owner
RootWindow[] windows = DockingManager.getDockingWindows();
return windows.length==0? null: windows[0];
}
public static Component getRestoreContainer(Dockable dockable) {
RootWindow window = getRestoreWindow(dockable);
return window==null? null: window.getRootContainer();
}
}