gvsig-tools / org.gvsig.tools / library / trunk / org.gvsig.tools / org.gvsig.tools.swing / org.gvsig.tools.swing.impl / src / main / java / org / gvsig / tools / swing / impl / pickercontroller / nullablespinner / NullableNumberEditorFormatter.java @ 2524
History | View | Annotate | Download (3.63 KB)
1 |
/*
|
---|---|
2 |
* To change this license header, choose License Headers in Project Properties.
|
3 |
* To change this template file, choose Tools | Templates
|
4 |
* and open the template in the editor.
|
5 |
*/
|
6 |
package org.gvsig.tools.swing.impl.pickercontroller.nullablespinner; |
7 |
|
8 |
import java.awt.Color; |
9 |
import java.text.Format; |
10 |
import java.text.NumberFormat; |
11 |
import java.text.ParseException; |
12 |
import javax.swing.JFormattedTextField; |
13 |
import javax.swing.UIManager; |
14 |
import javax.swing.text.NumberFormatter; |
15 |
import org.apache.commons.lang3.StringUtils; |
16 |
|
17 |
/**
|
18 |
*
|
19 |
* @author gvSIG Team
|
20 |
*/
|
21 |
public class NullableNumberEditorFormatter extends NumberFormatter { |
22 |
|
23 |
private final NullableSpinnerNumberModel model; |
24 |
private final JFormattedTextField textField; |
25 |
private final Color colorOk; |
26 |
private final Color colorErr; |
27 |
|
28 |
NullableNumberEditorFormatter(NullableSpinnerNumberModel model, NumberFormat format, JFormattedTextField textField, Class valueClass) { |
29 |
super(format);
|
30 |
this.model = model;
|
31 |
setValueClass(valueClass); |
32 |
this.textField = textField;
|
33 |
this.colorOk = UIManager.getColor("TextField.background"); |
34 |
this.colorErr = new Color(255,225,232); |
35 |
} |
36 |
|
37 |
@Override
|
38 |
public void setMinimum(Comparable min) { |
39 |
model.setMinimum(min); |
40 |
} |
41 |
|
42 |
@Override
|
43 |
public Comparable getMinimum() { |
44 |
return model.getMinimum();
|
45 |
} |
46 |
|
47 |
@Override
|
48 |
public void setMaximum(Comparable max) { |
49 |
model.setMaximum(max); |
50 |
} |
51 |
|
52 |
@Override
|
53 |
public Comparable getMaximum() { |
54 |
return model.getMaximum();
|
55 |
} |
56 |
|
57 |
private boolean isValidValue(Object value, boolean wantsCCE) { |
58 |
Comparable min = getMinimum();
|
59 |
|
60 |
try {
|
61 |
if (min != null && min.compareTo(value) > 0) { |
62 |
return false; |
63 |
} |
64 |
} catch (ClassCastException cce) { |
65 |
if (wantsCCE) {
|
66 |
throw cce;
|
67 |
} |
68 |
return false; |
69 |
} |
70 |
|
71 |
Comparable max = getMaximum();
|
72 |
try {
|
73 |
if (max != null && max.compareTo(value) < 0) { |
74 |
return false; |
75 |
} |
76 |
} catch (ClassCastException cce) { |
77 |
if (wantsCCE) {
|
78 |
throw cce;
|
79 |
} |
80 |
return false; |
81 |
} |
82 |
return true; |
83 |
} |
84 |
|
85 |
@Override
|
86 |
public Object stringToValue(String text) throws ParseException { |
87 |
Object value = stringToValue(text, getFormat());
|
88 |
|
89 |
// Convert to the value class if the Value returned from the
|
90 |
// Format does not match.
|
91 |
if (value != null && getValueClass() != null && |
92 |
!getValueClass().isInstance(value)) { |
93 |
value = super.stringToValue(value.toString());
|
94 |
} |
95 |
try {
|
96 |
if (!isValidValue(value, true)) { |
97 |
throw new ParseException("Value not within min/max range", 0); |
98 |
} |
99 |
} catch (ClassCastException cce) { |
100 |
throw new ParseException("Class cast exception comparing values: " |
101 |
+ cce, 0);
|
102 |
} |
103 |
return value;
|
104 |
} |
105 |
|
106 |
private Object stringToValue(String text, Format f) throws ParseException { |
107 |
if( text == null || StringUtils.isBlank(text)) { |
108 |
return null; |
109 |
} |
110 |
if (f == null) { |
111 |
return text;
|
112 |
} |
113 |
return f.parseObject(text);
|
114 |
} |
115 |
|
116 |
@Override
|
117 |
protected void setEditValid(boolean valid) { |
118 |
super.setEditValid(valid);
|
119 |
decorateTextField(valid); |
120 |
} |
121 |
|
122 |
public void decorateTextField(boolean valid) { |
123 |
if( valid ) {
|
124 |
this.textField.setBackground(colorOk);
|
125 |
} else {
|
126 |
this.textField.setBackground(colorErr);
|
127 |
} |
128 |
} |
129 |
|
130 |
} |