/**
* Updates a Widget with the properties which have been defined in the metamodel. This also
* updates all the contained Widgets. This is necessary when we try to reload a previously saved
* Widget which has since had properties added to or removed from it.
*
* @param widget The Widget to update
*/
private boolean updateWidget(Widget widget) {
// try {
// widgetLock.uiSafeAcquire(false);
// } catch (InterruptedException ex) {
// ex.printStackTrace();
// return false;
// }
WidgetType wt = widget.getType();
if (wt == null) {
return false; // @see xtext factory
}
updateProperties(wt.getAllPropertyTypes(), widget.getProperties());
for (Event event : widget.getEvents()) {
update(event);
}
for (Snippet snippet : widget.getSnippets()) {
update(snippet);
}
// Now iterate over the child Widgets
for (Widget w : widget.getContents()) {
updateWidget(w);
}
// widgetLock.release();
return true;
}
/**
* Creates the properties defined in the template and initialises their default values.
*
* @param type The WidgetType
* @return List of Property Objects
*/
private List<Property> createProperties(WidgetType type) {
List<Property> allProperties = new ArrayList<Property>();
for (PropertyType pt : type.getAllPropertyTypes().values()) {
Property p = createProperty(pt);
allProperties.add(p);
}
return allProperties;
}
@Override
public List<Property> filter(Widget widget) {
// These are the WidgetType's of the Label and Field
MetaModel mm = MetaModelRegistry.getMetaModel();
String library = widget.getLibraryName();
WidgetType wt = mm.findWidgetType(library, widget.getTypeName());
// Add all the PropertyTypes which exist
Set<PropertyType> allowedTypes = new HashSet<PropertyType>();
allowedTypes.addAll(wt.getAllPropertyTypes().values());
// hide some properties
allowedTypes.remove(mm.findPropertyType(library, PropertyTypeConstants.EDITABLE));
List<Property> result = new ArrayList<Property>();
for (Property p : widget.getProperties()) {
if (allowedTypes.contains(p.getType())) {
result.add(p);
}
}
return result;
}
/**
* Creates a Widget without any properties.
*
* @param type The WidgetType
* @return Widget The newly created Widget
*/
private Widget createEmptyWidget(WidgetType type) {
Widget widget = getModelFactory().createWidget();
widget.setTypeName(type.getName());
widget.setLibraryName(type.getLibrary().getName());
return widget;
}
