01: package net.sourceforge.squirrel_sql.client.mainframe.action;
02:
03: /*
04: * Copyright (C) 2001-2003 Colin Bell
05: * colbell@users.sourceforge.net
06: *
07: * This library 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 library 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 library; if not, write to the Free Software
19: * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
20: */
21: import java.awt.event.ActionEvent;
22:
23: import net.sourceforge.squirrel_sql.client.IApplication;
24: import net.sourceforge.squirrel_sql.client.action.SquirrelAction;
25:
26: /**
27: * This <CODE>Action</CODE> displays the applications About Box.
28: *
29: * @author <A HREF="mailto:colbell@users.sourceforge.net">Colin Bell</A>
30: */
31: public class AboutAction extends SquirrelAction {
32: /**
33: * Ctor.
34: *
35: * @param app Application API.
36: *
37: * @throws IllegalArgumentException
38: * Thrown if a <TT>null</TT> <TT>IApplication</TT> passed.
39: */
40: public AboutAction(IApplication app) {
41: super (app);
42: if (app == null) {
43: throw new IllegalArgumentException(
44: "Null IApplication passed");
45: }
46: }
47:
48: /**
49: * Display the about box.
50: *
51: * @param evt The event being processed.
52: */
53: public void actionPerformed(ActionEvent evt) {
54: new AboutCommand(getApplication()).execute();
55: }
56: }
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