DiagramDataInterface.hxx

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#ifndef INCLUDED_SVX_DIAGRAMDATAINTERFACE_HXX
#define INCLUDED_SVX_DIAGRAMDATAINTERFACE_HXX

#include <rtl/ustring.hxx>
#include <sal/types.h>

#include <utility>
#include <vector>

class SAL_NO_VTABLE SAL_DLLPUBLIC_RTTI DiagramDataInterface
{
public:
    // get text representation of data tree
    virtual OUString getString() const = 0;

    // get children of provided data node
    // use empty string for top-level nodes
    // returns vector of (id, text)
    virtual std::vector<std::pair<OUString, OUString>>
    getChildren(const OUString& rParentId) const = 0;

    // add new top-level node to data model, returns its id
    virtual OUString addNode(const OUString& rText) = 0;

    virtual bool removeNode(const OUString& rNodeId) = 0;

protected:
    ~DiagramDataInterface() throw() {}
};

#endif // INCLUDED_SVX_DIAGRAMDATAINTERFACE_HXX

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