Classes in this File | Line Coverage | Branch Coverage | Complexity | ||||
Label |
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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 | ||
29 | package net.sf.echobinding.controls; | |
30 | ||
31 | import java.beans.PropertyChangeEvent; | |
32 | import java.beans.PropertyChangeListener; | |
33 | ||
34 | import net.sf.echobinding.BoundControl; | |
35 | import net.sf.echobinding.binding.BindingContext; | |
36 | import net.sf.echobinding.util.Util; | |
37 | import nextapp.echo2.app.Border; | |
38 | import nextapp.echo2.app.event.ActionListener; | |
39 | ||
40 | ||
41 | /** | |
42 | * A data bound label. | |
43 | * | |
44 | */ | |
45 | public class Label extends nextapp.echo2.app.Label implements BoundControl, PropertyChangeListener { | |
46 | ||
47 | private static final long serialVersionUID = 4502063417896703607L; | |
48 | ||
49 | private String _id; | |
50 | private BindingContext _context; | |
51 | ||
52 | /** | |
53 | * Creates an unbound label. | |
54 | * | |
55 | * @param text | |
56 | */ | |
57 | public Label(String text) { | |
58 | super(text); | |
59 | } | |
60 | ||
61 | /** | |
62 | * Creates a data bound label. | |
63 | * | |
64 | * @param id | |
65 | * @param context | |
66 | */ | |
67 | public Label(String id, BindingContext context) { | |
68 | 1 | super(); |
69 | 1 | _id = id; |
70 | 1 | setBindingConext(context); |
71 | 1 | } |
72 | ||
73 | /* (non-Javadoc) | |
74 | * @see echobinding.BoundControl#setBindingConext(echobinding.BindingContext) | |
75 | */ | |
76 | public void setBindingConext(BindingContext context) { | |
77 | 1 | if(context == null) return; |
78 | 1 | if( _context != null) _context.removeControl(this); |
79 | 1 | context.registerControl( _id, this); |
80 | 1 | _context = context; |
81 | 1 | update(); |
82 | 1 | } |
83 | ||
84 | /* (non-Javadoc) | |
85 | * @see echobinding.BoundControl#setBindingId(java.lang.String) | |
86 | */ | |
87 | public void setAdapterId(String id) { | |
88 | _id = id; | |
89 | } | |
90 | ||
91 | /* (non-Javadoc) | |
92 | * @see echobinding.BoundControl#saveValues() | |
93 | */ | |
94 | public void save() { | |
95 | // DO NADA | |
96 | } | |
97 | ||
98 | /* (non-Javadoc) | |
99 | * @see echobinding.BoundControl#loadValues() | |
100 | */ | |
101 | public void update() { | |
102 | 4 | if(_context==null) // if used as a unbound label |
103 | return; | |
104 | 4 | Object value = _context.getValue(_id); |
105 | 4 | setText(Util.valueToString(value)); |
106 | 4 | } |
107 | ||
108 | /* (non-Javadoc) | |
109 | * @see echobinding.BoundControl#isValid() | |
110 | */ | |
111 | public boolean isValid() { | |
112 | return true; | |
113 | } | |
114 | ||
115 | /* (non-Javadoc) | |
116 | * @see java.beans.PropertyChangeListener#propertyChange(java.beans.PropertyChangeEvent) | |
117 | */ | |
118 | public void propertyChange(PropertyChangeEvent event) { | |
119 | 2 | update(); // reload values |
120 | 2 | } |
121 | ||
122 | /* (non-Javadoc) | |
123 | * @see echobinding.BoundControl#validateInput() | |
124 | */ | |
125 | public void validateInput() { | |
126 | } | |
127 | ||
128 | /* (non-Javadoc) | |
129 | * @see echobinding.BoundControl#isDirty() | |
130 | */ | |
131 | public boolean isDirty() { | |
132 | return false; | |
133 | } | |
134 | ||
135 | /* (non-Javadoc) | |
136 | * @see echobinding.BoundControl#getValue() | |
137 | */ | |
138 | public Object getValue() { | |
139 | return getText(); | |
140 | } | |
141 | ||
142 | /* (non-Javadoc) | |
143 | * @see echobinding.BoundControl#setValue(java.lang.Object) | |
144 | */ | |
145 | public void setValue(Object value) { | |
146 | setText(Util.valueToString(value)); | |
147 | } | |
148 | ||
149 | /* (non-Javadoc) | |
150 | * @see echobinding.BoundControl#getBorder() | |
151 | */ | |
152 | public Border getBorder() { | |
153 | return null; | |
154 | } | |
155 | ||
156 | /* (non-Javadoc) | |
157 | * @see echobinding.BoundControl#setBorder(nextapp.echo2.app.Border) | |
158 | */ | |
159 | public void setBorder(Border border) { | |
160 | } | |
161 | ||
162 | /* (non-Javadoc) | |
163 | * @see echobinding.model.ComponentModel#addActionListener(nextapp.echo2.app.event.ActionListener) | |
164 | */ | |
165 | public void addActionListener(ActionListener listener) { | |
166 | } | |
167 | ||
168 | } |