visselman.h

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#pragma once

/*+
________________________________________________________________________

 (C) dGB Beheer B.V.; (LICENSE) http://opendtect.org/OpendTect_license.txt
 Author:        Kris Tingdahl
 Date:          Jan 2002
________________________________________________________________________


-*/


#include "visbasecommon.h"
#include "notify.h"

namespace Threads { class Mutex; }

namespace visBase
{

class Scene;
class DataObject;
class DataManager;
class Selectable;

mExpClass(visBase) SelectionManager : public CallBacker
{
public:
                                SelectionManager();
    virtual                     ~SelectionManager();

    void                        setAllowMultiple(bool yn);
    bool                        allowMultiple() const { return allowmultiple_; }

    void                        select(int id,bool keepoldsel=false)
                                { select( id, keepoldsel, true ); }
    void                        deSelect(int id)  { deSelect( id, true ); }
    void                        deSelectAll()     { deSelectAll( true ); }
    void                        updateSel(int id) { updateSel( id, true ); }

    const TypeSet<int>&         selected() const  { return selectedids_; }

    CNotifier<SelectionManager,int>     selnotifier;
    CNotifier<SelectionManager,int>     deselnotifier;
    CNotifier<SelectionManager,int>     updateselnotifier;

                                // for implementing pick-based reselection
    CNotifier<SelectionManager,int>     reselnotifier;

    void                        fillPar(IOPar&,TypeSet<int>&) const {}
    void                        usePar(const IOPar&) {}

protected:
    void                        select(int id,bool keep,bool lock);
    void                        deSelect(int id,bool lock);
    void                        deSelectAll(bool lock);
    void                        updateSel(int id,bool lock);

    TypeSet<int>                selectedids_;
    bool                        allowmultiple_;
    Threads::Mutex&             mutex_;
};

} // namespace visBase