Selection.h

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#ifndef CNOID_UTIL_SELECTION_H
#define CNOID_UTIL_SELECTION_H
 
#include <vector>
#include <string>
#include <initializer_list>
#include "exportdecl.h"
 
namespace cnoid {
 
class CNOID_EXPORT Selection
{
public:
    explicit Selection(const char* domainname = nullptr);
    explicit Selection(size_t size, const char* domainname = nullptr);
    Selection(std::initializer_list<std::string> symbols, const char* domainname = nullptr);
    Selection(const Selection& org);
        
    int size() const {
        return  static_cast<int>(symbols_.size());
    }
 
    explicit operator bool() const {
        return selectedIndex_ >= 0;
    }
 
    operator int() const {
        return selectedIndex_;
    }
        
    void resize(int s);
 
    void clear();
 
    void setSymbol(int index, const std::string& symbol);
 
    Selection& operator<<(const std::string& symbol);
 
    std::string& symbol(int index) {
        return symbols_[index];
    }
        
    const std::string& symbol(int index) const {
        return symbols_[index];
    }
            
    int index(const std::string& symbol) const;
 
    const char* label(int index) const;
 
    bool select(int index);
    bool selectIndex(int index);
    bool select(const std::string& symbol);
 
    int selectedIndex() const {
        return selectedIndex_;
    }
 
    int which() const {
        return selectedIndex_;
    }
 
    bool is(int index) const {
        return (index == selectedIndex_);
    }
 
    const char* selectedSymbol() const;
    const char* selectedLabel() const;
 
private:
    std::vector<std::string> symbols_;
    int selectedIndex_;
    const char* domainname_;
};
 
}
 
#endif