1 /***
2 * Copyright (C) 2006 Philipp Mpalampanis
3 *
4 * License: MPL 1.1/GPL 2.0/LGPL 2.1
5 *
6 * The contents of this file are subject to the Mozilla Public License Version
7 * 1.1 (the "License"); you may not use this file except in compliance with
8 * the License. You may obtain a copy of the License at
9 * http://www.mozilla.org/MPL/
10 *
11 * Software distributed under the License is distributed on an "AS IS" basis,
12 * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
13 * for the specific language governing rights and limitations under the
14 * License.
15 *
16 * Alternatively, the contents of this file may be used under the terms of
17 * either the GNU General Public License Version 2 or later (the "GPL"), or
18 * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
19 * in which case the provisions of the GPL or the LGPL are applicable instead
20 * of those above. If you wish to allow use of your version of this file only
21 * under the terms of either the GPL or the LGPL, and not to allow others to
22 * use your version of this file under the terms of the MPL, indicate your
23 * decision by deleting the provisions above and replace them with the notice
24 * and other provisions required by the GPL or the LGPL. If you do not delete
25 * the provisions above, a recipient may use your version of this file under
26 * the terms of any one of the MPL, the GPL or the LGPL.
27 */
28 package net.sf.echobinding.model;
29
30 import net.sf.echobinding.BoundControl;
31 import net.sf.echobinding.binding.BindingContext;
32
33 /***
34 *
35 */
36 public abstract class AbstractPresentationModel implements PresentationModel {
37
38 private BindingContext _context;
39
40 /***
41 * Returns the control for the given adapter id.
42 *
43 */
44 public BoundControl getControl(String id) {
45 if(getContext() == null)
46 throw new NullPointerException("Binding context is null!");
47
48 return getContext().getControl(id);
49 }
50
51 /***
52 * @return Returns the binding context.
53 */
54 public BindingContext getContext() {
55 return _context;
56 }
57
58 public void setContext(BindingContext context) {
59 _context = context;
60 }
61
62 /***
63 * Convenience method for getContext.getValue()
64 *
65 * @param adapterId
66 * @return the value
67 */
68 public Object getValue(String adapterId) {
69 return getContext().getValue(adapterId);
70 }
71
72 /***
73 * Convenience method for getContext.setValue(...)
74 * @param adapterId
75 * @param value
76 */
77 public void setValue(String adapterId, Object value) {
78 getContext().setValue(adapterId, value);
79 }
80
81 /***
82 * Configures the presentation model (by calling the configue() method) and
83 * initializes all components that belong to the binding context.
84 */
85 public void init() {
86
87 configure();
88
89 for( BoundControl control: getContext().getControls() ) {
90 control.update();
91 }
92 }
93 }