/*
 * Copyright 2009, Ingo Weinhold, ingo_weinhold@gmx.de.
 * Copyright 2015, Rene Gollent, rene@gollent.com.
 * Distributed under the terms of the MIT License.
 */
#ifndef VALUE_HANDLER_H
#define VALUE_HANDLER_H


#include <Referenceable.h>


class Settings;
class SettingsMenu;
class TableCellValueEditor;
class TableCellValueRenderer;
class Value;
class ValueFormatter;


class ValueHandler : public BReferenceable {
public:
        virtual                                         ~ValueHandler();

        virtual float                           SupportsValue(Value* value) = 0;
        virtual status_t                        GetValueFormatter(Value* value,
                                                                        ValueFormatter*& _formatter) = 0;
                                                                        // returns a reference
        virtual status_t                        GetTableCellValueRenderer(Value* value,
                                                                        TableCellValueRenderer*& _renderer) = 0;
                                                                        // returns a reference
        virtual status_t                        GetTableCellValueEditor(Value* value,
                                                                        Settings* settings,
                                                                                // may be NULL if preconfiguration with
                                                                                // particular settings isn't desired.
                                                                        TableCellValueEditor*& _editor);
                                                                        // may return NULL, otherwise a reference
        virtual status_t                        CreateTableCellValueSettingsMenu(Value* value,
                                                                        Settings* settings, SettingsMenu*& _menu);
                                                                        // may return NULL, otherwise a reference
};


#endif  // VALUE_HANDLER_H