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 *  Sun Microsystems Inc., October, 2000
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 *  Sun Industry Standards Source License Version 1.1
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/*************************************************************************
 * @file
 * Container for content.It will destroy all children when destroy.
 ************************************************************************/
#ifndef INCLUDED_LOTUSWORDPRO_SOURCE_FILTER_XFILTER_XFCONTENTCONTAINER_HXX
#define INCLUDED_LOTUSWORDPRO_SOURCE_FILTER_XFILTER_XFCONTENTCONTAINER_HXX

#include <sal/config.h>

#include <vector>

#include <rtl/ref.hxx>

#include "xfcontent.hxx"

/**
 * @brief
 * A container for content.
 * The contents will be deleted when delete container.
 */
class XFContentContainer : public XFContent
{
public:
    XFContentContainer();

    /**
     * @descr   Destructure, all contents will be deleted too.
     */
    virtual ~XFContentContainer();

public:
    /**
     * @descr   Add conent.
     */
    virtual void    Add(XFContent *pContent);

    virtual void    InsertAtBegin(XFContent *pContent);
    virtual void    RemoveAt(sal_uInt32 nPos);
    virtual rtl::Reference<XFContent> GetLastContent();
    virtual void    RemoveLastContent();
    /**
     * @descr   convience function for add text content.
     */
    virtual void    Add(const OUString& text);

    /**
     * @descr   return the number of contents in the container.
     */
    int     GetCount() const;

    /**
     * @descr   get content by index.
     */
    rtl::Reference<XFContent> GetContent(sal_uInt32 index) const;

    /**
     * @descr   clear all contents in the container.
     */
    void    Reset();

    /**
     * @descr   helper function, find first content by type.
     */
    rtl::Reference<XFContent> FindFirstContent(enumXFContent type);

    /**
     * @descr   return the content type.
     */
    virtual enumXFContent   GetContentType() SAL_OVERRIDE;
    /**
     * @descr   Output to OOo model or local file.
     */
    virtual void ToXml(IXFStream *pStrm) SAL_OVERRIDE;

private:
    std::vector< rtl::Reference<XFContent> >    m_aContents;
};

inline rtl::Reference<XFContent> XFContentContainer::GetContent(sal_uInt32 index) const
{
    if (index > m_aContents.size()-1)
        return NULL;
    return m_aContents[index];
}
#endif

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