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: ModelBindable.java,v 1.4 2002/09/13 17:11:30 ludovicc Exp $
37 */
38 package org.scopemvc.view.util;
39
40
41 /***
42 * <P>
43 *
44 * Views that use an {@link ActiveBoundModel} delegate must implement this
45 * interface so that ActiveBoundModel can change the state of the View through
46 * this generic interface. </P>
47 *
48 * @author <A HREF="mailto:smeyfroi@users.sourceforge.net">Steve Meyfroidt</A>
49 * @created 05 September 2002
50 * @version $Revision: 1.4 $ $Date: 2002/09/13 17:11:30 $
51 * @see ActiveBoundModel
52 */
53 public interface ModelBindable {
54
55 /***
56 * Get the current value (what would be set as a property of the bound model
57 * object) being presented on the View.
58 *
59 * @return property's value from the UI.
60 * @exception IllegalArgumentException if conversion from the UI
61 * representation of the property to the typed value fails.
62 */
63 public Object getViewValue() throws IllegalArgumentException;
64
65
66 /***
67 * Use the passed property value and read-only state to update the View.
68 *
69 * @param inValue The new value of the property in the bound model
70 * @param inReadOnly The new read-only state of the property
71 */
72 public void updateFromProperty(Object inValue, boolean inReadOnly);
73
74
75 /***
76 * Validation failed while getting a value from View into the bound model
77 * object. <BR>
78 * Use this to indicate to the user that the value being edited is invalid.
79 *
80 * @param inException The exception causing the validation failure
81 */
82 public void validationFailed(Exception inException);
83
84
85 /***
86 * Clear previous validation failure.
87 *
88 * @see #validationFailed
89 */
90 public void validationSuccess();
91 }
92
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