@Override
public boolean canUndo() {
if (super.canUndo()) {
final Object value = Property.get(this.object, this.propertyName);
if (DataType.equal(value, this.newValue)) {
return true;
}
}
return false;
}
@Override
public int setPreparedStatementValue(
final PreparedStatement statement, final int parameterIndex, final Object value)
throws SQLException {
if (Property.isEmpty(value)) {
final int sqlType = getSqlType();
statement.setNull(parameterIndex, sqlType);
} else {
final Date date = Dates.getSqlDate(value);
statement.setDate(parameterIndex, date);
}
return parameterIndex + 1;
}
@Override
public void propertyChangeDo(final PropertyChangeEvent event) {
final Object source = event.getSource();
if (source instanceof Field) {
final Field field = (Field) source;
final String fieldName = field.getFieldName();
Object fieldValue = field.getFieldValue();
if ("lineDashOffset".equals(fieldName) && !Property.hasValue(fieldValue)) {
fieldValue = 0;
}
this.geometryStyle.setProperty(fieldName, fieldValue);
} else if (source == this.geometryStyle) {
final String name = event.getPropertyName();
final Object value = event.getNewValue();
setFieldValue(name, value);
}
for (final Component preview : this.previews.getComponents()) {
preview.repaint();
}
}
/**
* Set the value of the field with the specified name.
*
* @param index The index of the field.
* @param value The new value.
*/
@Override
protected boolean setValue(final FieldDefinition fieldDefinition, Object value) {
boolean updated = false;
if (value instanceof String) {
final String string = (String) value;
if (!Property.hasValue(string)) {
value = null;
}
}
if (value instanceof SingleIdentifier) {
final SingleIdentifier identifier = (SingleIdentifier) value;
value = identifier.getValue(0);
}
final Object newValue = fieldDefinition.toFieldValue(value);
final int index = fieldDefinition.getIndex();
final Object oldValue = this.values[index];
if (!fieldDefinition.equals(oldValue, newValue)) {
updated = true;
updateState();
fieldDefinition.equals(oldValue, newValue);
}
this.values[index] = newValue;
return updated;
}
@Override
protected void undoDo() {
Property.setSimple(this.object, this.propertyName, this.oldValue);
}