1 /*
2 * Scope: a generic MVC framework.
3 * Copyright (c) 2000-2002, The Scope team
4 * All rights reserved.
5 *
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
10 *
11 * Redistributions of source code must retain the above copyright
12 * notice, this list of conditions and the following disclaimer.
13 *
14 * Redistributions in binary form must reproduce the above copyright
15 * notice, this list of conditions and the following disclaimer in the
16 * documentation and/or other materials provided with the distribution.
17 *
18 * Neither the name "Scope" nor the names of its contributors
19 * may be used to endorse or promote products derived from this software
20 * without specific prior written permission.
21 *
22 *
23 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
24 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
25 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
26 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR
27 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
28 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
29 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
30 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
31 * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
32 * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
33 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
34 *
35 *
36 * $Id: Hello3Controller.java,v 1.3 2002/09/05 15:41:48 ludovicc Exp $
37 */
38 package samples.helloworld3;
39
40
41 import org.scopemvc.controller.basic.BasicController;
42 import org.scopemvc.core.Control;
43 import org.scopemvc.core.ControlException;
44
45 /***
46 * @author <A HREF="mailto:smeyfroi@users.sourceforge.net">Steve Meyfroidt</A>
47 * @created 05 September 2002
48 * @version $Revision: 1.3 $ $Date: 2002/09/05 15:41:48 $
49 */
50 public class Hello3Controller extends BasicController {
51
52 /***
53 * A Control ID.
54 */
55 public final static String GOT_NAME = "Enter";
56
57 /***
58 * A Control ID.
59 */
60 public final static String CHANGE_TO_FRED = "Change to Fred";
61
62 /***
63 * Use this child controller to validate the user at startup.
64 */
65 private LoginController loginController;
66
67
68 /***
69 * Constructor for the Hello3Controller object
70 */
71 public Hello3Controller() {
72 setModel(new Hello3Model());
73 setView(new Hello3View1());
74 }
75
76
77 /***
78 * On startup, kick off a login controller to validate the user before doing
79 * anything else. We wait for the login to succeed by responding to the
80 * LoginController.LOGIN_OK Control later.
81 */
82 public void startup() {
83 loginController = new LoginController();
84 addChild(loginController);
85 loginController.startup();
86 }
87
88
89 /***
90 * Respond to GOT_NAME and EXIT.
91 *
92 * @param inControl TODO: Describe the Parameter
93 * @throws ControlException TODO: Describe the Exception
94 */
95 protected void doHandleControl(Control inControl) throws ControlException {
96 if (inControl.matchesID(GOT_NAME)) {
97 doGotName();
98 } else if (inControl.matchesID(CHANGE_TO_FRED)) {
99 doChangeToFred();
100 } else if (inControl.matchesID(LoginController.LOGIN_OK)) {
101 doLoginOK();
102 }
103 }
104
105
106 /***
107 * On GOT_NAME, switch over to the second View (which will bind to this
108 * Controller's model) and show it.
109 */
110 protected void doGotName() {
111 setView(new Hello3View2());
112 // This new View will bind to the Controller's model
113 showView();
114 }
115
116
117 /***
118 * On "CHANGE_TO_FRED", set the model's name to "Fred" and refresh the view.
119 * Note that this refresh can be automated by making model objects fire
120 * ModelChangeEvents -- see BasicModel.
121 */
122 protected void doChangeToFred() {
123 ((Hello3Model) getModel()).changeNameToFred();
124 ((Hello3View1) getView()).refresh();
125 }
126
127
128 /***
129 * On LoginController.LOGIN_OK, shutdown and abandon the login controller,
130 * then show our view.
131 */
132 protected void doLoginOK() {
133 loginController.shutdown();
134 loginController = null;
135 showView();
136 }
137 }
138
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