llctrlselectioninterface.h

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#ifndef LLCTRLSELECTIONINTERFACE_H
#define LLCTRLSELECTIONINTERFACE_H

#include "stdtypes.h"
#include "stdenums.h"
#include "llstring.h"

class LLSD;
class LLUUID;
class LLScrollListItem;

class LLCtrlSelectionInterface
{
public:
        virtual ~LLCtrlSelectionInterface();
        
        enum EOperation
        {
                OP_DELETE = 1,
                OP_SELECT,
                OP_DESELECT,
        };

        virtual BOOL    getCanSelect() const = 0;

        virtual S32             getItemCount() const = 0;

        virtual BOOL    selectFirstItem() = 0;
        virtual BOOL    selectNthItem( S32 index ) = 0;

        virtual S32             getFirstSelectedIndex() const = 0;

        // TomY TODO: Simply cast the UUIDs to LLSDs, using the selectByValue function
        virtual BOOL    setCurrentByID( const LLUUID& id ) = 0;
        virtual LLUUID  getCurrentID() = 0;

                        BOOL    selectByValue(LLSD value);
                        BOOL    deselectByValue(LLSD value);
        virtual BOOL    setSelectedByValue(LLSD value, BOOL selected) = 0;
        virtual LLSD    getSimpleSelectedValue() = 0;

        virtual BOOL    isSelected(LLSD value) = 0;

        virtual BOOL    operateOnSelection(EOperation op) = 0;
        virtual BOOL    operateOnAll(EOperation op) = 0;
};

class LLCtrlListInterface : public LLCtrlSelectionInterface
{
public:
        virtual ~LLCtrlListInterface();
        
        virtual void addColumn(const LLSD& column, EAddPosition pos = ADD_BOTTOM) = 0;
        virtual void clearColumns() = 0;
        virtual void setColumnLabel(const LLString& column, const LLString& label) = 0;
        // TomY TODO: Document this
        virtual LLScrollListItem* addElement(const LLSD& value, EAddPosition pos = ADD_BOTTOM, void* userdata = NULL) = 0;

        LLScrollListItem* addSimpleElement(const LLString& value); // defaults to bottom
        LLScrollListItem* addSimpleElement(const LLString& value, EAddPosition pos); // defaults to no LLSD() id
        virtual LLScrollListItem* addSimpleElement(const LLString& value, EAddPosition pos, const LLSD& id) = 0;

        virtual void clearRows() = 0;
        virtual void sortByColumn(LLString name, BOOL ascending) = 0;
};

class LLCtrlScrollInterface
{
public:
        virtual ~LLCtrlScrollInterface();
        
        virtual S32 getScrollPos() = 0;
        virtual void setScrollPos( S32 pos ) = 0;
        virtual void scrollToShowSelected() = 0;
};

#endif

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