tableeditor.h

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#ifndef TABLE_EDITOR_HEADER_INCLUDED_p
#define TABLE_EDITOR_HEADER_INCLUDED_p
//
// Copyright 2010, Lowell Boggs Jr.
//
// This file or directory, containing source code for a computer program,
// is Copyrighted by Lowell Boggs, Jr.  987 Regency Drive, Lewisville
// TX (USA), 75067.  You may use, copy, modify, and distribute this
// source file without charge or obligation so long as you agree to
// the following:
//
//  1.  You must indemnify Lowell Boggs against any and all financial
//      obligations caused by its use, misuse, function, or malfunction.
//      Further, you acknowledge that there is no warranty of any kind,
//      whatsoever.
//
//  2.  You agree not to attempt to patent any portion of this original
//      work -- though you may attempt to patent your own extensions to
//      it if you so choose.
//
//  3.  You keep this copyright notice with the file and all copies
//      of the file and do not change it anyway except language translation.
//
// You are responsible for enforcing your own compliance with these
// conditions and may not use this source file if you cannot agree to the
// above terms and conditions.

#include <cxxtls/tableviewer.h>
#include <cxxtls/file.h>

namespace cxxtls
{

class TableEditor
: public TableViewer
{

    size_t fieldEditColumn_;


public:

    TableEditor(ViewerManager *vm,
              int delimChar=','
             );
    
    virtual ~TableEditor();


protected:

    int    delimiter_;
    bool   keyKludge_;  // previous input key was ^X

    virtual bool handle_event( CursorWindow::input_event const * e,
                             CursorWindow::viewport          * vp
                           );


   virtual void setCursorInfo(CursorWindow::viewport *vp,
                              size_t worldRow, 
                              size_t worldCol, 
                              bool displayed
                             );

   void terminateInput();

   CellInfo *editCell(); 

   virtual void paintField(CursorWindow::viewport *vp,
                           size_t          vpRow, 
                           size_t          vpCol, 
                           CellInfo const *cell, 
                           size_t          cellRow, 
                           size_t          vpColumns,
                           bool            editCursor
                          );

    static bool isTableEditKey(CursorWindow::input_event const * e);

    bool fieldEditable(size_t tableRow, size_t tableCol) const

    {
       if(    tableRow >= rows_.size()
          ||  tableCol >= cols_.size()
         )
            return false; // invalid table location

       return rows_[tableRow].editable_ && cols_[tableCol].editable_;
    }

    bool fieldEditable(CursorInfo const &cur) const
    {
      return fieldEditable(cur.row_, cur.col_);
    }


    void snatchEdit(CursorWindow::viewport *vp, FileName const &directory);

};

} // namespace cxxtls
#endif