01: /*
02: * Beryl - A web platform based on XML, XSLT and Java
03: * This file is part of the Beryl XML GUI
04: *
05: * Copyright (C) 2004 Wenzel Jakob <wazlaf@tigris.org>
06: *
07: * This program is free software; you can redistribute it and/or
08: * modify it under the terms of the GNU Lesser General Public
09: * License as published by the Free Software Foundation; either
10: * version 2.1 of the License, or (at your option) any later version.
11:
12: * This program is distributed in the hope that it will be useful,
13: * but WITHOUT ANY WARRANTY; without even the implied warranty of
14: * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15: * Lesser General Public License for more details.
16: *
17: * You should have received a copy of the GNU Lesser General Public
18: * License along with this program; if not, write to the Free Software
19: * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-3107 USA
20: */
21:
22: package org.beryl.gui;
23:
24: import org.beryl.gui.model.MapDataModel;
25: import org.beryl.gui.model.ModelChangeEvent;
26:
27: public abstract class AbstractView implements View {
28: private MapDataModel model = null;
29:
30: public void setDataModel(MapDataModel newModel) throws GUIException {
31: ModelChangeEvent event = new ModelChangeEvent(this , newModel);
32: if (model != null)
33: model.removeView(this );
34: model = newModel;
35: if (model != null) {
36: model.addView(this );
37: modelChanged(event);
38: }
39: }
40:
41: public MapDataModel getDataModel() {
42: return model;
43: }
44: }
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