CfgPromptConfigurable.h

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#ifndef CFGPROMPTCONFIGURABLE
#define CFGPROMPTCONFIGURABLE



#include <string>
#include "Registry/Registry.h"

class CfgDialog;

class CfgPromptConfigurable
{
 public:
  CfgPromptConfigurable();
  CfgPromptConfigurable(const Registry& r) {InitializeConfig(r);};
  virtual ~CfgPromptConfigurable() {};

  // For reading out current configuration.
  const Registry& GetConfig() const { return fConfig; };

  // Wrappers for Registry setters.
  void UnLockKeys()   { fConfig.UnLockKeys(); };
  void LockKeys()     { fConfig.LockKeys(); };
  void UnLockValues() { fConfig.UnLockValues(); };
  void LockValues()   { fConfig.LockValues(); };

  // These functions all modify the current registry, and call ConfigModified() if 
  // a valid key changes.
  void Set(const char* key, char val);
  void Set(const char* key, const char* val);
  void Set(const char* key, double val);
  void Set(const char* key, int val);
  void Set(const char* key, const Registry& val);
  void Set(const char* setstring);  // like modules.
  void Set(CfgDialog* d=0);
  

  // This is the one that does all the work:
  void Set(const Registry& stuff, Bool_t recursive = false); // Sets multiple things at once.

  // String operation routines.
  static Bool_t Split(const char* line, char sep, std::string& a, std::string& b);
  static Bool_t Split(const std::string& line, char sep, std::string& a, std::string& b) 
  { return Split(line.c_str(),sep,a,b); };
  static Bool_t IsInt(const std::string& s, Int_t& val);
  static Bool_t IsFloat(const std::string& s, Double_t& val);

  // Registry operation routines.
  static Bool_t SafeMerge(Registry& modify, 
                          const Registry& stuff, 
                          Bool_t recursive = false );


 protected:
  // This call sets up the object in it's 'default' condition,
  // and defines all the valid keys. Should be called from constructor.
  void         InitializeConfig(const Registry& initConfig);  

  // This method is called whenever the current configuration changes in any significant way.
  virtual void ConfigModified(void)=0; // To be defined by user.

 private:
  Registry fConfig;
  Registry fDefaultConfig;

  ClassDef(CfgPromptConfigurable,1);
};

#endif

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