Revision 270 org.gvsig.tools/library/trunk/org.gvsig.tools/org.gvsig.tools.swing/org.gvsig.tools.swing.serv/org.gvsig.tools.swing.serv.field/src/main/java/org/gvsig/tools/swing/serv/field/component/spinner/NullableNumberSpinnerModel.java
| NullableNumberSpinnerModel.java | ||
|---|---|---|
| 1 | 1 |
/* gvSIG. Geographic Information System of the Valencian Government |
| 2 |
* |
|
| 3 |
* Copyright (C) 2007-2008 Infrastructures and Transports Department |
|
| 4 |
* of the Valencian Government (CIT) |
|
| 5 |
* |
|
| 6 |
* This program is free software; you can redistribute it and/or |
|
| 7 |
* modify it under the terms of the GNU General Public License |
|
| 8 |
* as published by the Free Software Foundation; either version 2 |
|
| 9 |
* of the License, or (at your option) any later version. |
|
| 10 |
* |
|
| 11 |
* This program is distributed in the hope that it will be useful, |
|
| 12 |
* but WITHOUT ANY WARRANTY; without even the implied warranty of |
|
| 13 |
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
|
| 14 |
* GNU General Public License for more details. |
|
| 15 |
* |
|
| 16 |
* You should have received a copy of the GNU General Public License |
|
| 17 |
* along with this program; if not, write to the Free Software |
|
| 18 |
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, |
|
| 19 |
* MA 02110-1301, USA. |
|
| 20 |
* |
|
| 21 |
*/ |
|
| 2 |
*
|
|
| 3 |
* Copyright (C) 2007-2008 Infrastructures and Transports Department
|
|
| 4 |
* of the Valencian Government (CIT)
|
|
| 5 |
*
|
|
| 6 |
* This program is free software; you can redistribute it and/or
|
|
| 7 |
* modify it under the terms of the GNU General Public License
|
|
| 8 |
* as published by the Free Software Foundation; either version 2
|
|
| 9 |
* of the License, or (at your option) any later version.
|
|
| 10 |
*
|
|
| 11 |
* This program is distributed in the hope that it will be useful,
|
|
| 12 |
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
| 13 |
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
| 14 |
* GNU General Public License for more details.
|
|
| 15 |
*
|
|
| 16 |
* You should have received a copy of the GNU General Public License
|
|
| 17 |
* along with this program; if not, write to the Free Software
|
|
| 18 |
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
|
|
| 19 |
* MA 02110-1301, USA.
|
|
| 20 |
*
|
|
| 21 |
*/
|
|
| 22 | 22 |
/* |
| 23 | 23 |
* AUTHORS (In addition to CIT): |
| 24 | 24 |
* 2010 Institute of New Imaging Technologies (INIT): |
| ... | ... | |
| 42 | 42 |
|
| 43 | 43 |
/** |
| 44 | 44 |
* @author <a href="mailto:reinhold@uji.es">cmartin</a> |
| 45 |
* |
|
| 45 |
*
|
|
| 46 | 46 |
*/ |
| 47 |
public class NullableNumberSpinnerModel extends SpinnerNumberModel implements SpinnerModel{
|
|
| 48 |
|
|
| 47 |
public class NullableNumberSpinnerModel extends SpinnerNumberModel implements |
|
| 48 |
SpinnerModel {
|
|
| 49 |
|
|
| 49 | 50 |
private DynField field; |
| 50 | 51 |
private Object number; |
| 51 | 52 |
private boolean isFirstTime; |
| 52 |
|
|
| 53 |
|
|
| 53 | 54 |
/** |
| 54 | 55 |
* @param field |
| 55 | 56 |
* @param value |
| 56 | 57 |
*/ |
| 57 | 58 |
public NullableNumberSpinnerModel(DynField field, Number value) {
|
| 58 |
super(0, (Comparable<?>) field |
|
| 59 |
.getMinValue(), (Comparable<?>) field.getMaxValue(), Integer |
|
| 60 |
.valueOf(1)); |
|
| 61 |
this.field = field; |
|
| 62 |
this.isFirstTime = true; |
|
| 63 |
super.setValue(0); |
|
| 64 |
if (value!=null) |
|
| 65 |
setValue(value); |
|
| 59 |
super(0, (Comparable<?>) field.getMinValue(), (Comparable<?>) field |
|
| 60 |
.getMaxValue(), Integer.valueOf(1)); |
|
| 61 |
this.field = field; |
|
| 62 |
this.isFirstTime = true; |
|
| 63 |
super.setValue(0); |
|
| 64 |
if (value != null) |
|
| 65 |
setValue(value); |
|
| 66 | 66 |
} |
| 67 | 67 |
|
| 68 |
/* (non-Javadoc) |
|
| 68 |
/* |
|
| 69 |
* (non-Javadoc) |
|
| 70 |
* |
|
| 69 | 71 |
* @see javax.swing.SpinnerModel#getNextValue() |
| 70 | 72 |
*/ |
| 71 | 73 |
@Override |
| 72 | 74 |
public Object getNextValue() {
|
| 73 |
if (!isNull()) {
|
|
| 74 |
this.number = super.getNextValue();
|
|
| 75 |
super.setValue(this.number);
|
|
| 76 |
return this.number;
|
|
| 77 |
}
|
|
| 78 |
super.setValue(0);
|
|
| 79 |
return 0;
|
|
| 75 |
if (!isNull()) {
|
|
| 76 |
this.number = super.getNextValue();
|
|
| 77 |
super.setValue(this.number);
|
|
| 78 |
return this.number;
|
|
| 79 |
}
|
|
| 80 |
super.setValue(0);
|
|
| 81 |
return 0;
|
|
| 80 | 82 |
} |
| 81 |
|
|
| 82 |
protected boolean isNull(){
|
|
| 83 |
Object value = getValue();
|
|
| 84 |
return ((value== null)||(value.equals("")));
|
|
| 83 |
|
|
| 84 |
protected boolean isNull() {
|
|
| 85 |
Object value = getValue();
|
|
| 86 |
return ((value == null) || (value.equals("")));
|
|
| 85 | 87 |
} |
| 86 | 88 |
|
| 87 |
/* (non-Javadoc) |
|
| 89 |
/* |
|
| 90 |
* (non-Javadoc) |
|
| 91 |
* |
|
| 88 | 92 |
* @see javax.swing.SpinnerModel#getPreviousValue() |
| 89 | 93 |
*/ |
| 90 | 94 |
@Override |
| 91 | 95 |
public Object getPreviousValue() {
|
| 92 |
if (isNull()) return null; |
|
| 93 |
if (this.number.equals(this.getMinimum())){
|
|
| 94 |
// we are at the minimum value and we want to change to "undetermined" |
|
| 95 |
this.number = null; |
|
| 96 |
return ""; |
|
| 97 |
} |
|
| 98 |
return super.getPreviousValue(); |
|
| 96 |
if (isNull()) |
|
| 97 |
return null; |
|
| 98 |
if (this.number.equals(this.getMinimum())) {
|
|
| 99 |
// we are at the minimum value and we want to change to |
|
| 100 |
// "undetermined" |
|
| 101 |
this.number = null; |
|
| 102 |
return ""; |
|
| 103 |
} |
|
| 104 |
return super.getPreviousValue(); |
|
| 99 | 105 |
} |
| 100 | 106 |
|
| 101 |
/* (non-Javadoc) |
|
| 107 |
/* |
|
| 108 |
* (non-Javadoc) |
|
| 109 |
* |
|
| 102 | 110 |
* @see javax.swing.SpinnerModel#getValue() |
| 103 | 111 |
*/ |
| 104 | 112 |
@Override |
| 105 | 113 |
public Object getValue() {
|
| 106 |
if (this.isFirstTime){
|
|
| 107 |
return 0;
|
|
| 108 |
}
|
|
| 109 |
if (this.number == null)
|
|
| 110 |
return null;
|
|
| 111 |
return super.getValue();
|
|
| 112 |
|
|
| 114 |
if (this.isFirstTime) {
|
|
| 115 |
return 0;
|
|
| 116 |
}
|
|
| 117 |
if (this.number == null)
|
|
| 118 |
return null;
|
|
| 119 |
return super.getValue();
|
|
| 120 |
|
|
| 113 | 121 |
} |
| 114 | 122 |
|
| 115 |
/* (non-Javadoc) |
|
| 123 |
/* |
|
| 124 |
* (non-Javadoc) |
|
| 125 |
* |
|
| 116 | 126 |
* @see javax.swing.SpinnerModel#setValue(java.lang.Object) |
| 117 | 127 |
*/ |
| 118 | 128 |
@Override |
| 119 | 129 |
public void setValue(Object value) {
|
| 120 |
this.number = value;
|
|
| 121 |
this.isFirstTime = false;
|
|
| 122 |
if (!isNull())
|
|
| 123 |
super.setValue(value);
|
|
| 124 |
else
|
|
| 125 |
this.fireStateChanged();
|
|
| 130 |
this.number = value;
|
|
| 131 |
this.isFirstTime = false;
|
|
| 132 |
if (!isNull())
|
|
| 133 |
super.setValue(value);
|
|
| 134 |
else
|
|
| 135 |
this.fireStateChanged();
|
|
| 126 | 136 |
} |
| 127 | 137 |
} |
Also available in: Unified diff