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allow empty values
This commit is contained in:
bancika
2012-09-25 14:45:37 +00:00
parent db173acf77
commit 6c7e149c93
4 changed files with 37 additions and 10 deletions
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diy-layout-creator --username bancika@gmail.com/diylc-swing/src/org/diylc/swing/gui/editor/MeasureEditor.java
+13 -10
View File
@@ -11,6 +11,8 @@ import java.beans.PropertyChangeListener;
import java.lang.reflect.Constructor;
import java.lang.reflect.InvocationTargetException;
import java.lang.reflect.Method;
import java.lang.reflect.ParameterizedType;
import java.lang.reflect.Type;
import javax.swing.JComboBox;
@@ -32,7 +34,8 @@ public class MeasureEditor extends Container {
public MeasureEditor(final PropertyWrapper property) {
setLayout(new BorderLayout());
final AbstractMeasure measure = ((AbstractMeasure) property.getValue());
valueField = new DoubleTextField(measure.getValue());
valueField = new DoubleTextField(measure == null ? null : measure
.getValue());
oldBg = valueField.getBackground();
valueField.addPropertyChangeListener(DoubleTextField.VALUE_PROPERTY,
new PropertyChangeListener() {
@@ -40,12 +43,11 @@ public class MeasureEditor extends Container {
@Override
public void propertyChange(PropertyChangeEvent evt) {
try {
Constructor ctor = measure.getClass()
Constructor ctor = property.getType()
.getConstructors()[0];
AbstractMeasure<?> oldMeasure = (AbstractMeasure<?>) property.getValue();
AbstractMeasure<?> newMeasure = (AbstractMeasure<?>) ctor
.newInstance((Double) evt.getNewValue(),
oldMeasure.getUnit());
unitBox.getSelectedItem());
property.setValue(newMeasure);
property.setChanged(true);
valueField.setBackground(oldBg);
@@ -67,18 +69,19 @@ public class MeasureEditor extends Container {
});
add(valueField, BorderLayout.CENTER);
try {
Method method = measure.getUnit().getClass().getMethod("values");
unitBox = new JComboBox((Object[]) method.invoke(measure.getUnit()));
unitBox.setSelectedItem(measure.getUnit());
Type type = ((ParameterizedType) property.getType()
.getGenericSuperclass()).getActualTypeArguments()[0];
Method method = ((Class<?>) type).getMethod("values");
unitBox = new JComboBox((Object[]) method.invoke(null));
unitBox.setSelectedItem(measure == null ? null : measure.getUnit());
unitBox.addActionListener(new ActionListener() {
@Override
public void actionPerformed(ActionEvent evt) {
try {
Constructor ctor = measure.getClass().getConstructors()[0];
AbstractMeasure<?> oldMeasure = (AbstractMeasure<?>) property.getValue();
Constructor ctor = property.getType().getConstructors()[0];
AbstractMeasure<?> newMeasure = (AbstractMeasure<?>) ctor
.newInstance(oldMeasure.getValue(),
.newInstance(valueField.getValue(),
(Enum<? extends Unit>) unitBox
.getSelectedItem());
property.setValue(newMeasure);