Aspose::Words::Drawing::GroupShape::Accept method

GroupShape::Accept method

Accepts a visitor.

bool Aspose::Words::Drawing::GroupShape::Accept(System::SharedPtr<Aspose::Words::DocumentVisitor> visitor) override

Parameter	Type	Description
visitor	System::SharedPtr<Aspose::Words::DocumentVisitor>	The visitor that will visit the nodes.

ReturnValue

True if all nodes were visited; false if DocumentVisitor stopped the operation before visiting all nodes.

Remarks

Enumerates over this node and all of its children. Each node calls a corresponding method on DocumentVisitor.

For more info see the Visitor design pattern.

Examples

Shows how to create a group of shapes, and print its contents using a document visitor.

void GroupOfShapes()
{
    auto doc = MakeObject<Document>();
    auto builder = MakeObject<DocumentBuilder>(doc);

    // If you need to create "NonPrimitive" shapes, such as SingleCornerSnipped, TopCornersSnipped, DiagonalCornersSnipped,
    // TopCornersOneRoundedOneSnipped, SingleCornerRounded, TopCornersRounded, DiagonalCornersRounded
    // please use DocumentBuilder.InsertShape methods.
    auto balloon = MakeObject<Shape>(doc, ShapeType::Balloon);
    balloon->set_Width(200);
    balloon->set_Height(200);
    balloon->get_Stroke()->set_Color(System::Drawing::Color::get_Red());

    auto cube = MakeObject<Shape>(doc, ShapeType::Cube);
    cube->set_Width(100);
    cube->set_Height(100);
    cube->get_Stroke()->set_Color(System::Drawing::Color::get_Blue());

    auto group = MakeObject<GroupShape>(doc);
    group->AppendChild(balloon);
    group->AppendChild(cube);

    ASSERT_TRUE(group->get_IsGroup());

    builder->InsertNode(group);

    auto printer = MakeObject<ExDrawing::ShapeGroupPrinter>();
    group->Accept(printer);

    std::cout << printer->GetText() << std::endl;
}

class ShapeGroupPrinter : public DocumentVisitor
{
public:
    ShapeGroupPrinter()
    {
        mBuilder = MakeObject<System::Text::StringBuilder>();
    }

    String GetText()
    {
        return mBuilder->ToString();
    }

    VisitorAction VisitGroupShapeStart(SharedPtr<GroupShape> groupShape) override
    {
        mBuilder->AppendLine(u"Shape group started:");
        return VisitorAction::Continue;
    }

    VisitorAction VisitGroupShapeEnd(SharedPtr<GroupShape> groupShape) override
    {
        mBuilder->AppendLine(u"End of shape group");
        return VisitorAction::Continue;
    }

    VisitorAction VisitShapeStart(SharedPtr<Shape> shape) override
    {
        mBuilder->AppendLine(String(u"\tShape - ") + System::ObjectExt::ToString(shape->get_ShapeType()) + u":");
        mBuilder->AppendLine(String(u"\t\tWidth: ") + shape->get_Width());
        mBuilder->AppendLine(String(u"\t\tHeight: ") + shape->get_Height());
        mBuilder->AppendLine(String(u"\t\tStroke color: ") + shape->get_Stroke()->get_Color());
        mBuilder->AppendLine(String(u"\t\tFill color: ") + shape->get_Fill()->get_ForeColor());
        return VisitorAction::Continue;
    }

    VisitorAction VisitShapeEnd(SharedPtr<Shape> shape) override
    {
        mBuilder->AppendLine(u"\tEnd of shape");
        return VisitorAction::Continue;
    }

private:
    SharedPtr<System::Text::StringBuilder> mBuilder;
};

Aspose::Words::Drawing::GroupShape::Accept method

GroupShape::Accept method

ReturnValue

Remarks

Examples

See Also