#ifndef ICL_STATE_HANDLE_H
#define ICL_STATE_HANDLE_H

#include <string>
#include <iclGUIHandle.h>
#include <iclStringUtils.h>

namespace icl{

  /** \cond */
  class ThreadedUpdatableTextView;
  /** \endcond */


  /// Class for GUI-Label handling a so called state component\ingroup HANDLES
  /** You can add a state component as an alternative std::cout for debugging
      or system state messages
      @see GUI */
  class StateHandle : public GUIHandle<ThreadedUpdatableTextView>{
    int maxLen;
    public:
    
    /// Create an empty handle
    StateHandle(){}
    
    /// Create a new LabelHandle
    StateHandle(ThreadedUpdatableTextView *l, GUIWidget *w,int manLen):
      GUIHandle<ThreadedUpdatableTextView>(l,w),maxLen(maxLen){}
    
    /// appends a string
    void append(const std::string &text);
    
    /// appends anything in std::ostream manner
    template<class T>
    StateHandle &operator<<(const T &t){
      append(str(t));
      return *this;
    }
    
    /// erases all lines
    void clear();
    
    /// sets max line length (odd lines are removed)
    void setMaxLen(int maxLen);
    
    /// returns curren max line length
    int getMaxLen() const;

    private:
    /// utitlity function
    ThreadedUpdatableTextView *text() { return **this; }

    /// utitlity function
    const ThreadedUpdatableTextView *text() const{ return **this; }
    
    /// utility function
    void removeOldLines();
  };

 
  
 
}                               

#endif