@Override
protected void onUnload() {
super.onUnload();
RootPanel.get().remove(goTop);
}
/*
* Purpose - When adding a food to a meal plan, default the quantity to the food serving size
*/
private void updateQuantityWithServingSize(LookupFieldView lookupFieldView) {
// Determine food ID
int intFoodID = lookupFieldView.getInt();
// Get the serving size of the food
double doubleFoodServingQuantity = 0;
// Create a CalculatedModel for this purpose
CalculatedModel calculatedModel = new CalculatedModel();
calculatedModel.setConnection(applicationController.getConnection());
try {
doubleFoodServingQuantity = calculatedModel.getFoodServingQuantity(intFoodID);
} catch (SQLException e) {
// Just default to zero quantity on any database error
return;
}
// Set the value in the quantity widget to the serving size
IWidgetView widgetViewParent = lookupFieldView.getParentWidgetView();
CompositeView compositeView = null;
// Parent widget should be a CompositeView (part of SubObjectView)
if (widgetViewParent instanceof CompositeView) {
compositeView = (CompositeView) widgetViewParent;
} else {
assert (false);
return;
}
// Find the Quantity field
Map<IWidgetUI, IWidgetView> mapWidget = compositeView.getWidgetMap();
for (Map.Entry<IWidgetUI, IWidgetView> entry : mapWidget.entrySet()) {
IWidgetUI widgetUI = entry.getKey();
IWidgetView widgetView = entry.getValue();
switch (widgetUI.getWidgetType()) {
case OBJECT:
case GROUP:
case LIST:
break;
case FIELD:
IFieldUI iFieldUI = (IFieldUI) widgetUI;
String stringName = iFieldUI.getName();
if (stringName != null && stringName.equals("Quantity")) {
// Found quantity widget
// Set the serving size as the value
assert (widgetView.getWidgetType() == IWidgetView.TYPE.FIELD);
FieldView fieldView = (FieldView) widgetView;
assert (fieldView instanceof DecimalFieldView);
DecimalFieldView decimalFieldView = (DecimalFieldView) fieldView;
decimalFieldView.setDouble(doubleFoodServingQuantity);
return;
}
break;
}
}
}
@Override
protected void onAttach() {
super.onAttach();
RootPanel.get().add(goTop);
}
