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#ifndef Fireworks_Core_FWSelectionManager_h
#define Fireworks_Core_FWSelectionManager_h
// -*- C++ -*-
//
// Package: Core
// Class : FWSelectionManager
//
/**\class FWSelectionManager FWSelectionManager.h Fireworks/Core/interface/FWSelectionManager.h
Description: Manages the list of selected Model items
Usage:
<usage>
*/
//
// Original Author: Chris Jones
// Created: Fri Jan 18 14:40:45 EST 2008
//
// system include files
#include "sigc++/signal.h"
#include "sigc++/connection.h"
#include <set>
#include <vector>
// user include files
#include "Fireworks/Core/interface/FWModelId.h"
// forward declarations
class FWEventItem;
class FWModelChangeManager;
class FWSelectionManager {
//only an item can set the selection
friend class FWEventItem;
public:
FWSelectionManager(FWModelChangeManager* iCM);
//virtual ~FWSelectionManager();
// ---------- const member functions ---------------------
const std::set<FWModelId>& selected() const;
const std::set<FWEventItem*>& selectedItems() const;
// ---------- static member functions --------------------
// ---------- member functions ---------------------------
void clearSelection();
void clearItemSelection();
void clearModelSelectionLeaveItem();
sigc::signal<void(const FWSelectionManager&)> selectionChanged_;
sigc::signal<void(const FWSelectionManager&)> itemSelectionChanged_;
FWSelectionManager(const FWSelectionManager&) = delete; // stop default
const FWSelectionManager& operator=(const FWSelectionManager&) = delete; // stop default
private:
void finishedAllSelections();
void select(const FWModelId& iId);
void unselect(const FWModelId& iId);
void itemChanged(const FWEventItem*);
void selectItem(FWEventItem*);
void unselectItem(FWEventItem*);
// ---------- member data --------------------------------
FWModelChangeManager* m_changeManager;
std::set<FWModelId> m_selection;
std::set<FWModelId> m_newSelection;
bool m_wasChanged;
std::vector<std::pair<int, sigc::connection> > m_itemConnectionCount;
std::set<FWEventItem*> m_itemSelection;
};
#endif
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