/*
* This file is part of rasdaman community.
*
* Rasdaman community is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* Rasdaman community is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with rasdaman community.  If not, see <http://www.gnu.org/licenses/>.
*
* Copyright 2003, 2004, 2005, 2006, 2007, 2008, 2009 Peter Baumann /
rasdaman GmbH.
*
* For more information please see <http://www.rasdaman.org>
* or contact Peter Baumann via <baumann@rasdaman.com>.
/

/**
 *  PURPOSE:
 *
 *  rView query shell. Handles editing, loading, saving and execution
 *  of RasQL queries. Actual database accesses are performed through
 *  class rView's member functions.
 *
 * COMMENTS:
 *		None
 */

/**
*	@file rviewQuery.hh
*
*	@ingroup Applications
*/

#ifndef _RVIEW_QUERY_H_
#define _RVIEW_QUERY_H_


#ifdef __GNUG__
#pragma interface
#endif



#include "rviewUtils.hh"
#include "rviewDb.hh"





class rviewQuery: public rviewFrame
{
  public:

  rviewQuery(rviewDatabase *db, char *query=NULL);
  ~rviewQuery(void);

  void OnSize(int w, int h);
  void OnMenuCommand(int id);

  void label(void);
  int process(wxObject &obj, wxEvent &evt);

  int userEvent(const user_event &ue);

  virtual const char *getFrameName(void) const;
  virtual rviewFrameType getFrameType(void) const;

  // Returns the query window ID
  int getIdentifier(void) const;
  int getQueryCounter(void) const;


  protected:

  void buildMenubar(void);
  bool loadQuery(char *file);
  bool saveQuery(char *file);
  void newDBState(bool newState);
  void updateTitle(void);

  wxTextWindow *twin;
  wxMenuBar *mbar;
  wxMenu *mbarMenus[3];
  wxPanel *panel;
  rviewButton *butClear, *butExec, *butUpdt;
  wxFont *font;
  int hotNumber;
  DynamicString hotPath;
  DynamicString lastHotPath;
  rviewDatabase *queryDb;
  // For update queries
  rviewDisplay *updateDisplay;
  r_Ref<r_GMarray> updateMddObj;
  int qwindowID;
  int updateID;

  static const char query_extension[];
  static const char query_firstline[];

  static const keyword_to_ident_c fontNameTab[];
  static const keyword_to_ident_c fontStyleTab[];
  static const keyword_to_ident_c fontWeightTab[];

  // constants
  // Width and height of query window
  static const int query_width;
  static const int query_height;
  // Borders in query window
  static const int query_border;
  // Height of control area at the bottom of the query
  static const int query_bottom;
  // Button dimensions
  static const int query_bwidth;
  static const int query_bheight;


  private:

  // Query window counter, realises a unique integer ID for each
  // query window.
  static int queryCounter;
};

#endif