/**
* Constructs the property widget
*
* @param beanJobBuilder the transformer job builder for the table lookup
* @param inputColumnsProperty the property represeting the columns to use for settig up
* conditional lookup (InputColumn[])
* @param mappedColumnsProperty the property representing the mapped columns in the datastore
* (String[])
*/
public MultipleMappedColumnsPropertyWidget(
AbstractBeanJobBuilder<?, ?, ?> beanJobBuilder,
ConfiguredPropertyDescriptor inputColumnsProperty,
ConfiguredPropertyDescriptor mappedColumnsProperty) {
super(beanJobBuilder, inputColumnsProperty);
_mappedColumnComboBoxes = new WeakHashMap<InputColumn<?>, SourceColumnComboBox>();
_mappedColumnsProperty = mappedColumnsProperty;
_tableRef = new MutableRef<Table>();
_mappedColumnNamesPropertyWidget = createMappedColumnNamesPropertyWidget();
_sourceColumnUpdating = false;
final InputColumn<?>[] currentValue = getCurrentValue();
final String[] currentMappedColumnsValue =
(String[]) beanJobBuilder.getConfiguredProperty(mappedColumnsProperty);
if (currentValue != null && currentMappedColumnsValue != null) {
// first create combo's, then set value (so combo is ready before it
// is requested)
_mappedColumnNamesPropertyWidget.setValue(currentMappedColumnsValue);
final int minLength = Math.min(currentValue.length, currentMappedColumnsValue.length);
for (int i = 0; i < minLength; i++) {
final InputColumn<?> inputColumn = currentValue[i];
final String mappedColumnName = currentMappedColumnsValue[i];
createComboBox(inputColumn, new MutableColumn(mappedColumnName));
}
setValue(currentValue);
}
}
/** Invoked whenever a configured property within this widget factory is changed. */
public void onConfigurationChanged() {
final Collection<PropertyWidget<?>> widgets = getWidgets();
for (PropertyWidget<?> widget : widgets) {
@SuppressWarnings("unchecked")
final PropertyWidget<Object> objectWidget = (PropertyWidget<Object>) widget;
final ConfiguredPropertyDescriptor propertyDescriptor = objectWidget.getPropertyDescriptor();
final Object value = _beanJobBuilder.getConfiguredProperty(propertyDescriptor);
objectWidget.onValueTouched(value);
}
}
/**
* Registers a widget in this factory in rare cases when the factory is not used to actually
* instantiate the widget, but it is still needed to register the widget for compliancy with eg.
* the onConfigurationChanged() behaviour.
*
* @param propertyDescriptor
* @param widget
*/
public void registerWidget(
ConfiguredPropertyDescriptor propertyDescriptor, PropertyWidget<?> widget) {
if (widget == null) {
_widgets.remove(propertyDescriptor);
} else {
_widgets.put(propertyDescriptor, widget);
@SuppressWarnings("unchecked")
PropertyWidget<Object> objectWidget = (PropertyWidget<Object>) widget;
Object value = _beanJobBuilder.getConfiguredProperty(objectWidget.getPropertyDescriptor());
objectWidget.initialize(value);
}
}