txtfld.hxx

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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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 *
 * This file incorporates work covered by the following license notice:
 *
 *   Licensed to the Apache Software Foundation (ASF) under one or more
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#ifndef INCLUDED_SW_INC_TXTFLD_HXX
#define INCLUDED_SW_INC_TXTFLD_HXX

#include "txatbase.hxx"
#include <rtl/ustring.hxx>

#include <memory>
#include <cassert>

class SwPaM;
class SwTextNode;

class SAL_DLLPUBLIC_RTTI SwTextField : public virtual SwTextAttr
{
    mutable OUString m_aExpand; // only used to determine, if field content is changing in <ExpandTextField()>
    SwTextNode * m_pTextNode;

public:
    SwTextField(
        SwFormatField & rAttr,
        sal_Int32 const nStart,
        bool const bInClipboard );

    virtual ~SwTextField() override;

    void CopyTextField( SwTextField *pDest ) const;

    void ExpandTextField( const bool bForceNotify = false ) const;

    // get and set TextNode pointer
    SwTextNode* GetpTextNode() const
    {
        return m_pTextNode;
    }
    SwTextNode& GetTextNode() const
    {
        assert(m_pTextNode);
        return *m_pTextNode;
    }
    void ChgTextNode( SwTextNode* pNew )
    {
        m_pTextNode = pNew;
    }

    bool IsFieldInDoc() const;

    // enable notification that field content has changed and needs reformatting
    virtual void NotifyContentChange( SwFormatField& rFormatField );

    // deletes the given field via removing the corresponding text selection from the document's content
    static void DeleteTextField( const SwTextField& rTextField );

    // return text selection for the given field
    static void GetPamForTextField( const SwTextField& rTextField,
                                 std::shared_ptr< SwPaM >& rPamForTextField );

};

class SwTextInputField
    : public SwTextAttrNesting
    , public SwTextField
{
public:
    SwTextInputField(
        SwFormatField & rAttr,
        sal_Int32 const nStart,
        sal_Int32 const nEnd,
        bool const bInClipboard );

    virtual ~SwTextInputField() override;

    bool LockNotifyContentChange();
    void UnlockNotifyContentChange();
    virtual void NotifyContentChange( SwFormatField& rFormatField ) override;

    void UpdateTextNodeContent( const OUString& rNewContent );

    OUString GetFieldContent() const;
    void UpdateFieldContent();

private:

    bool m_bLockNotifyContentChange;
};

#endif

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