svdlayer.hxx

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#ifndef INCLUDED_SVX_SVDLAYER_HXX
#define INCLUDED_SVX_SVDLAYER_HXX

#include <svx/svdsob.hxx>
#include <svx/svdtypes.hxx>
#include <svx/svxdllapi.h>
#include <memory>
#include <vector>

class SdrModel;

class SVX_DLLPUBLIC SdrLayer
{
    friend class SdrLayerAdmin;

    OUString maName;
    OUString maTitle;
    OUString maDescription;
    bool mbVisibleODF; // corresponds to ODF draw:display
    bool mbPrintableODF; // corresponds to ODF draw:display
    bool mbLockedODF; // corresponds to ODF draw:protected
    SdrModel*  pModel; // For broadcasting
    SdrLayerID const nID;

    SdrLayer(SdrLayerID nNewID, const OUString& rNewName);

public:
    bool operator==(const SdrLayer& rCmpLayer) const;

    void SetName(const OUString& rNewName);
    const OUString& GetName() const { return maName; }

    void SetTitle(const OUString& rTitle) { maTitle = rTitle; }
    const OUString& GetTitle() const { return maTitle; }

    void SetDescription(const OUString& rDesc) { maDescription = rDesc; }
    const OUString& GetDescription() const { return maDescription; }

    void SetVisibleODF(bool bVisibleODF) { mbVisibleODF = bVisibleODF; }
    bool IsVisibleODF() const { return mbVisibleODF; }

    void SetPrintableODF(bool bPrintableODF) { mbPrintableODF = bPrintableODF; }
    bool IsPrintableODF() const { return mbPrintableODF; }

    void SetLockedODF(bool bLockedODF) { mbLockedODF = bLockedODF; }
    bool IsLockedODF() const { return mbLockedODF; }

    SdrLayerID    GetID() const                               { return nID; }
    void          SetModel(SdrModel* pNewModel)               { pModel=pNewModel; }
};

#define SDRLAYER_MAXCOUNT 255
#define SDRLAYERPOS_NOTFOUND 0xffff

// When Changing the layer data you currently have to set the Modify flag manually
class SVX_DLLPUBLIC SdrLayerAdmin {
friend class SdrView;
friend class SdrModel;
friend class SdrPage;

protected:
    std::vector<std::unique_ptr<SdrLayer>> maLayers;
    SdrLayerAdmin* pParent; // The page's admin knows the doc's admin
    SdrModel* pModel; // For broadcasting
    OUString maControlLayerName;
protected:
    // Find a LayerID which is not in use yet. If all have been used up,
    // we return 0.
    // If you want to play safe, check GetLayerCount()<SDRLAYER_MAXCOUNT
    // first, else all are given away already.
    SdrLayerID         GetUniqueLayerID() const;
    void               Broadcast() const;
public:
    explicit SdrLayerAdmin(SdrLayerAdmin* pNewParent=nullptr);
    SdrLayerAdmin(const SdrLayerAdmin& rSrcLayerAdmin);
    ~SdrLayerAdmin();
    SdrLayerAdmin& operator=(const SdrLayerAdmin& rSrcLayerAdmin);

    void               SetModel(SdrModel* pNewModel);

    void               InsertLayer(std::unique_ptr<SdrLayer> pLayer, sal_uInt16 nPos);
    std::unique_ptr<SdrLayer> RemoveLayer(sal_uInt16 nPos);

    // Delete all layers
    void               ClearLayers();

    // New layer is created and inserted
    SdrLayer*          NewLayer(const OUString& rName, sal_uInt16 nPos=0xFFFF);

    // Iterate over all layers
    sal_uInt16         GetLayerCount() const                                         { return sal_uInt16(maLayers.size()); }

    SdrLayer*          GetLayer(sal_uInt16 i)                                        { return maLayers[i].get(); }
    const SdrLayer*    GetLayer(sal_uInt16 i) const                                  { return maLayers[i].get(); }

    sal_uInt16         GetLayerPos(const SdrLayer* pLayer) const;

    SdrLayer*          GetLayer(const OUString& rName);
    const SdrLayer*    GetLayer(const OUString& rName) const;
    SdrLayerID         GetLayerID(const OUString& rName) const;
    SdrLayer*          GetLayerPerID(SdrLayerID nID) { return const_cast<SdrLayer*>(const_cast<const SdrLayerAdmin*>(this)->GetLayerPerID(nID)); }
    const SdrLayer*    GetLayerPerID(SdrLayerID nID) const;

    void               SetControlLayerName(const OUString& rNewName);
    const OUString&    GetControlLayerName() const { return maControlLayerName; }

    // Removes all elements in rOutSet and then adds all IDs of layers from member aLayer
    // that fulfill the criterion visible, printable, or locked respectively.
    void               getVisibleLayersODF( SdrLayerIDSet& rOutSet) const;
    void               getPrintableLayersODF( SdrLayerIDSet& rOutSet) const;
    void               getLockedLayersODF( SdrLayerIDSet& rOutSet) const;

    // Generates a bitfield for settings.xml from the SdrLayerIDSet.
    // Output is a UNO sequence of BYTE (which is 'short' in API).
    void               QueryValue(const SdrLayerIDSet& rViewLayerSet, css::uno::Any& rAny);
};

#endif // INCLUDED_SVX_SVDLAYER_HXX

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