// **********************************************************************
//
// Copyright (c) 2003-2010 ZeroC, Inc. All rights reserved.
//
// This copy of Ice is licensed to you under the terms described in the
// ICE_LICENSE file included in this distribution.
//
// **********************************************************************

package IceGridGUI.Application;

class Editable implements Cloneable
{
    Editable(boolean brandNew)
    {
        _isNew = brandNew;
    }

    boolean isNew()
    {
        return _isNew;
    }

    boolean isModified()
    {
        return _modified;
    }

    void markModified()
    {
        _modified = true;
    }

    void commit()
    {
        _isNew = false;
        _modified = false;
        _removedElements.clear();
    }
 
    void markNew()
    {
        _isNew = true;
    }

    void removeElement(String id, Editable editable, Class forClass)
    {
        if(!editable.isNew())
        {
            java.util.TreeSet<String> set = _removedElements.get(forClass);
            if(set == null)
            {
                set = new java.util.TreeSet<String>();
                _removedElements.put(forClass, set);
            }
            set.add(id);
        }
    }
    
    String[] removedElements(Class forClass)
    {
        java.util.TreeSet<String> set = _removedElements.get(forClass);
        if(set == null)
        {
            return new String[0];
        }
        else
        {
            return set.toArray(new String[0]);
        }
    }

    Editable save()
    {
        try
        {
            Editable result = (Editable)clone();
            java.util.HashMap<Class, java.util.TreeSet<String>> removedElements =
                new java.util.HashMap<Class, java.util.TreeSet<String>>();
            for(java.util.Map.Entry<Class, java.util.TreeSet<String>> p : result._removedElements.entrySet())
            {
                java.util.TreeSet<String> val = new java.util.TreeSet<String>(p.getValue());
                removedElements.put(p.getKey(), val);
            }
            result._removedElements = removedElements;
            return result;
        }
        catch(CloneNotSupportedException e)
        {
            assert false;
            return null;
        }
    }

    void restore(Editable clone)
    {
        _isNew = clone._isNew;
        _modified = clone._modified;
        _removedElements = clone._removedElements;
    }

    private boolean _isNew = false;
    private boolean _modified = false;

    private java.util.HashMap<Class, java.util.TreeSet<String>> _removedElements =
        new java.util.HashMap<Class, java.util.TreeSet<String>>();
}