コード例 #1
0
  /**
   * Overridden to return the type arguments of the generic type of the adapted {@link
   * TypedElement}.
   *
   * @see org.eclipse.emf.edit.provider.ItemProviderAdapter#getChildren(java.lang.Object)
   */
  @Override
  public Collection<?> getChildren(Object object) {

    TypedElement typedElement;
    Collection<Object> result = null;

    // cast the typed element
    typedElement = (TypedElement) object;

    // check if the typed element has a generic type and that one is a
    // ComplexGenericType
    if (typedElement.getGenericType() != null
        && typedElement.getGenericType() instanceof ComplexGenericType) {
      ComplexGenericType genericType = (ComplexGenericType) typedElement.getGenericType();

      // check if the generic type has type arguments
      if (!genericType.getTypeArgument().isEmpty()) {
        // add the type arguments to the list of children
        result = new ArrayList<Object>(genericType.getTypeArgument());
        result.addAll(super.getChildren(object));
      }
    }

    return result == null ? super.getChildren(object) : result;
  }
コード例 #2
0
    /**
     * @see org.eclipse.emf.edit.provider.ItemPropertyDescriptor#setPropertyValue(java.lang.Object,
     *     java.lang.Object)
     */
    @Override
    public void setPropertyValue(Object object, Object value) {

      TypedElement typedElement = (TypedElement) object;

      // the value can either be a type parameter ...
      if (value instanceof TypeParameter) {
        TypeParameter typeParameter = (TypeParameter) value;

        // create a new generic type for type parameters and set its
        // referenced type parameter
        ParameterGenericType genericType = PivotModelFactory.eINSTANCE.createParameterGenericType();
        genericType.setTypeParameter(typeParameter);

        setGenericType(typedElement, genericType);
      }

      // ... or a normal type
      else if (value instanceof Type) {
        Type type = (Type) value;

        // check if the type has any type parameters
        if (!type.getOwnedTypeParameter().isEmpty()) {

          // create a new complex generic type and set the given type
          // as a reference
          ComplexGenericType genericType = PivotModelFactory.eINSTANCE.createComplexGenericType();
          genericType.setUnboundType(type);

          // append type arguments for each type parameter
          for (int i = 0, size = type.getOwnedTypeParameter().size(); i < size; i++) {
            genericType.getTypeArgument().add(PivotModelFactory.eINSTANCE.createTypeArgument());
          }

          setGenericType(typedElement, genericType);
        }

        // just a normal type without type parameters
        else {
          // remove any previously created generic types
          setGenericType(typedElement, null);
          super.setPropertyValue(object, value);
        }
      }
    }