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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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