wxWidgets/demos/dbbrowse/dbgrid.cpp

//---------------------------------------------------------------------------
// Name:        DBGrid.cpp
// Purpose:     wxGrid sample
// Author:      Mark Johnson
// Modified by: 19990929.mj10777 a reuseable DBGrid
// Created:     19990929
// Copyright:   (c)
// Licence:     wxWindows license
// RCS-ID:      $Id$
//---------------------------------------------------------------------------
//-- all #ifdefs that the whole Project needs. ------------------------------
//---------------------------------------------------------------------------
#ifdef __GNUG__
#pragma implementation
#pragma interface
#endif
//---------------------------------------------------------------------------
// For compilers that support precompilation, includes "wx/wx.h".
#include "wx/wxprec.h"
//---------------------------------------------------------------------------
#ifdef __BORLANDC__
#pragma hdrstop
#endif
//---------------------------------------------------------------------------
#ifndef WX_PRECOMP
#include "wx/wx.h"
#endif
//---------------------------------------------------------------------------
//-- all #includes that every .cpp needs             --- 19990807.mj10777 ---
//---------------------------------------------------------------------------
#include "std.h"    // sorgsam Pflegen !
//---------------------------------------------------------------------------
BEGIN_EVENT_TABLE(DBGrid, wxGrid)
  EVT_MOTION (DBGrid::OnMouseMove)
  // DBGrid
  EVT_GRID_LABEL_LEFT_CLICK( DBGrid::OnLabelLeftClick )
  EVT_GRID_LABEL_RIGHT_CLICK( DBGrid::OnLabelRightClick )
  EVT_GRID_LABEL_LEFT_DCLICK( DBGrid::OnLabelLeftDClick )
  EVT_GRID_LABEL_RIGHT_DCLICK( DBGrid::OnLabelRightDClick )
  EVT_GRID_CELL_LEFT_CLICK( DBGrid::OnCellLeftClick )
  EVT_GRID_CELL_RIGHT_CLICK( DBGrid::OnCellRightClick )
  EVT_GRID_CELL_LEFT_DCLICK( DBGrid::OnCellLeftDClick )
  EVT_GRID_CELL_RIGHT_DCLICK( DBGrid::OnCellRightDClick )
  EVT_GRID_ROW_SIZE( DBGrid::OnRowSize )
  // EVT_GRID_COL_SIZE( DBGrid::OnColSize )
  EVT_GRID_RANGE_SELECT( DBGrid::OnRangeSelected )
  EVT_GRID_CELL_CHANGE( DBGrid::OnCellChange )
  EVT_MENU(GRID_EDIT,DBGrid::OnModusEdit)
  EVT_MENU(GRID_BROWSE,DBGrid::OnModusBrowse)
  END_EVENT_TABLE()
  //---------------------------------------------------------------------------
  //           wxListCtrl(parent, id, pos, size, style)
  //           wxGrid(parent,-1,wxPoint( 0, 0 ), wxSize( 400, 300 ) );
  //---------------------------------------------------------------------------
  // DBGrid
  //---------------------------------------------------------------------------
  // DBGrid::DBGrid(wxWindow *parent, const wxWindowID id,const wxPoint& pos,const wxSize& size):
  //          wxGrid(parent, id, pos, size)
  DBGrid::DBGrid(wxWindow *parent, const wxWindowID id,const wxPoint& pos,const wxSize& size, long style):
    wxGrid(parent, id, pos, size, style)
{
  //f_Temp = new wxFont(10,wxSWISS,wxNORMAL,wxBOLD,FALSE,"Comic Sans MS");
  f_Temp = new wxFont(wxSystemSettings::GetSystemFont(wxSYS_SYSTEM_FONT));
  wxPanel::SetFont(* f_Temp);
  b_EditModus = TRUE;
  //----------------------------------------------------------------------------------------------------------------------------
  popupMenu1 = new wxMenu("");
  popupMenu1->Append(GRID_EDIT, _("Edit Modus"));
  popupMenu2 = new wxMenu("");
  popupMenu2->Append(GRID_BROWSE, _("Browse Modus"));
}
//---------------------------------------------------------------------------
DBGrid::~DBGrid()
{
}
//---------------------------------------------------------------------------
int  DBGrid::OnTableView(wxString Table)
{
  //---------------------------------------------------------------------------
  int  i=0,x,y,z, ValidTable=0;
  wxString Temp0;
  //SetLabelFont(* f_Temp);

  wxBeginBusyCursor();
  //---------------------------------------------------------------------------
  ct_BrowserDB = (db_Br+i_Which)->ct_BrowserDB;                       // Get the DSN Pointer
  //----------------------------------------------------------------------------
  if (ct_BrowserDB)                                                   // Valid pointer (!= NULL) ?
    {      // Pointer is Valid, use the wxDatabase Information
      for (x=0;x<ct_BrowserDB->numTables;x++)                            // go through the Tables
	{
	  if (!wxStrcmp((ct_BrowserDB->pTableInf+x)->tableName,Table))      // is this our Table ?
	    {    // Yes, the Data of this Table shall be put into the Grid
	      ValidTable = x;                                                  // Save the Tablenumber
	      (db_Br+i_Which)->OnSelect(Table,FALSE);                          // Select * from "table"
	      // Set the local Pointer to the Column Information we are going to use
	      (db_Br+i_Which)->cl_BrowserDB = (ct_BrowserDB->pTableInf+x)->pColInf;
	      if ((ct_BrowserDB->pTableInf+x)->pColInf)                        // Valid pointer (!= NULL) ?
		{   // Pointer is Valid, Column Informationen sind Vorhanden
		  i = (db_Br+i_Which)->i_Records;                                 // How many Records are there
		  (db_Br+i_Which)->i_Which = ValidTable;                          // Still used ???? mj10777
		  if (i == 0)     // If the Table is empty, then show one empty row
		    i++;
		  CreateGrid(i,(ct_BrowserDB->pTableInf+x)->numCols);             // Records , Columns
		  for (y=0;y<(ct_BrowserDB->pTableInf+x)->numCols;y++)            // Loop through the Fields
		    {  // The Field / Column name is used here as Row Titel
		      SetColLabelValue(y,((ct_BrowserDB->pTableInf+x)->pColInf+y)->colName);
		      SetColSize(y,95);
		    }  // for (y=0;y<(ct_BrowserDB->pTableInf+x)->numCols;y++)
		  SetColSize(((ct_BrowserDB->pTableInf+x)->numCols-1),120);       // Make the last Column Wider
		  // The Grid has been created, now fill it
		  for (z=0;z<(db_Br+i_Which)->i_Records;z++)                      // Loop through the Records
		    {
		      Temp0.Printf("%06d",z+1);  SetRowLabelValue(z,Temp0);          // Set Row Lable Value
		      (db_Br+i_Which)->OnGetNext((ct_BrowserDB->pTableInf+ValidTable)->numCols,FALSE);
		      for (y=0;y<(ct_BrowserDB->pTableInf+ValidTable)->numCols;y++) // Loop through the Fields
			{ // BrowserDB::OnGetNext Formats the field Value into tablename
			  SetCellValue(z, y,((db_Br+i_Which)->cl_BrowserDB+y)->tableName);
			}
		      if (z % 50 == 0)
			{
			  Temp0.Printf(_("-I-> DBGrid::OnTableView(%s) - Record %6d has been read."),Table.c_str(),z);
			  pDoc->p_MainFrame->SetStatusText(Temp0, 0);
			}
		    }  // for (z=0;z<(db_Br+i_Which)->i_Records;z++)
		  Temp0.Printf(_("-I-> DBGrid::OnTableView(%s) - %6d Records have been read."),Table.c_str(),z);
		  pDoc->p_MainFrame->SetStatusText(Temp0, 0);
		  // The Grid has been filled, now leave
		  goto Weiter;
		}   // if ((ct_BrowserDB->pTableInf+x)->pColInf)
	      else
		wxLogMessage(_("\n-E-> DBGrid::OnTableView():: Invalid Column Pointer : Failed"));
	    }    // if ((ct_BrowserDB->pTableInf+x)->tableType == "TABLE")
	}     // for (x=0;x<ct_BrowserDB->numTables;x++)
    }      // if (ct_BrowserDB)
  else
    wxLogMessage(_("\n-E-> DBGrid::OnTableView():: Invalid DSN Pointer : Failed"));
  //---------------------------------------------------------------------------
 Weiter:
  SetEditInPlace(b_EditModus);   // Activate in-place Editing (FALSE)
  wxEndBusyCursor();
  //---------------------------------------------------------------------------
  wxLogMessage(_("-I-> DBGrid::OnTableView() - End"));
  return 0;
}
//---------------------------------------------------------------------------
void DBGrid::OnModusEdit(wxMenu& menu, wxCommandEvent& event)
{
  b_EditModus = TRUE;             // Needed by PopupMenu
  SetEditable(FALSE);             // Do not Edit with Text Edit Control
  SetEditInPlace(b_EditModus);    // Deactivate in-place Editing
  UpdateDimensions();             // Redraw the Grid
}
//---------------------------------------------------------------------------
void DBGrid::OnModusBrowse(wxMenu& menu, wxCommandEvent& event)
{
  b_EditModus = FALSE;            // Needed by PopupMenu
  SetEditInPlace(b_EditModus);    // Deactivate in-place Editing
  UpdateDimensions();             // Redraw the Grid
}
//------------------------------------------------------------------------------
void DBGrid::OnMouseMove(wxMouseEvent &event)
{
  MousePos = event.GetPosition();
}
//---------------------------------------------------------------------------
void DBGrid::OnLabelLeftClick( wxGridEvent& ev )
{
  logBuf = "DBGrid::OnLabelLeftClick : ";
  if ( ev.GetRow() != -1 )
    {
      logBuf << "row label " << ev.GetRow();
    }
  else if ( ev.GetCol() != -1 )
    {
      logBuf << "col label " << ev.GetCol();
    }
  else
    {
      logBuf << "corner label";
    }
  if ( ev.ShiftDown() )
    logBuf << " (shift down)";
  // wxLogMessage( "%s", logBuf.c_str() );
  logBuf += "\n";
  wxLogMessage(logBuf.c_str());
  ev.Skip();
}
//---------------------------------------------------------------------------
void DBGrid::OnLabelRightClick( wxGridEvent& ev )
{
 //-------------------
  if (b_EditModus)
    PopupMenu(popupMenu2,MousePos.x,MousePos.y);
  else
    PopupMenu(popupMenu1,MousePos.x,MousePos.y);
  //-------------------
  logBuf = "DBGrid::OnLabelRightClick : ";
  if ( ev.GetRow() != -1 )
    {
      logBuf << "row label " << ev.GetRow();
    }
  else if ( ev.GetCol() != -1 )
    {
      logBuf << "col label " << ev.GetCol();
    }
  else
    {
      logBuf << "corner label";
    }
  if ( ev.ShiftDown() )
    logBuf << " (shift down)";
  // wxLogMessage( "%s", logBuf.c_str() );
  logBuf += "\n";
  wxLogMessage(logBuf.c_str());
  ev.Skip();
}
//---------------------------------------------------------------------------
void DBGrid::OnLabelLeftDClick( wxGridEvent& ev )
{
  logBuf = "DBGrid::OnLabelLeftDClick : ";
  if ( ev.GetRow() != -1 )
    {
      logBuf << "row label " << ev.GetRow();
    }
  else if ( ev.GetCol() != -1 )
    {
      logBuf << "col label " << ev.GetCol();
    }
  else
    {
      logBuf << "corner label";
    }
  if ( ev.ShiftDown() )
    logBuf << " (shift down)";
  // wxLogMessage( "%s", logBuf.c_str() );
  logBuf += "\n";
  wxLogMessage(logBuf.c_str());
  ev.Skip();
}
//---------------------------------------------------------------------------
void DBGrid::OnLabelRightDClick( wxGridEvent& ev )
{
  logBuf = "DBGrid::OnLabelRightDClick : ";
  if ( ev.GetRow() != -1 )
    {
      logBuf << "row label " << ev.GetRow();
    }
  else if ( ev.GetCol() != -1 )
    {
      logBuf << "col label " << ev.GetCol();
    }
  else
    {
      logBuf << "corner label";
    }
  if ( ev.ShiftDown() )
    logBuf << " (shift down)";
  // wxLogMessage( "%s", logBuf.c_str() );
  logBuf += "\n";
  wxLogMessage(logBuf.c_str());
  ev.Skip();
}
//---------------------------------------------------------------------------
void DBGrid::OnCellLeftClick( wxGridEvent& ev )
{
  logBuf = "DBGrid::OnCellLeftClick : ";
  logBuf << "Cell at row " << ev.GetRow()
	 << " col " << ev.GetCol();
  // wxLogMessage( "%s", logBuf.c_str() );
  // wxMessageBox(logBuf);
  logBuf += "\n";
  wxLogMessage(logBuf.c_str());
  // you must call event skip if you want default grid processing
  // (cell highlighting etc.)
  //
  ev.Skip();
}
//---------------------------------------------------------------------------
void DBGrid::OnCellRightClick( wxGridEvent& ev )
{
  logBuf = "DBGrid::OnCellRightClick : ";
  logBuf << "Cell at row " << ev.GetRow()
	 << " col " << ev.GetCol();
  // wxLogMessage( "%s", logBuf.c_str() );
  // wxMessageBox(logBuf);
  logBuf += "\n";
  wxLogMessage(logBuf.c_str());
  // you must call event skip if you want default grid processing
  // (cell highlighting etc.)
  //
  ev.Skip();
}
//---------------------------------------------------------------------------
void DBGrid::OnCellLeftDClick( wxGridEvent& ev )
{
  logBuf = "DBGrid::OnCellLeftDClick : ";
  logBuf << "Cell at row " << ev.GetRow()
	 << " col " << ev.GetCol();
  // wxLogMessage( "%s", logBuf.c_str() );
  // wxMessageBox(logBuf);
  logBuf += "\n";
  wxLogMessage(logBuf.c_str());
  // you must call event skip if you want default grid processing
  // (cell highlighting etc.)
  //
  ev.Skip();
}
//---------------------------------------------------------------------------
void DBGrid::OnCellRightDClick( wxGridEvent& ev )
{
  logBuf = "DBGrid::OnCellRightDClick : ";
  logBuf << "Cell at row " << ev.GetRow()
	 << " col " << ev.GetCol();
  // wxLogMessage( "%s", logBuf.c_str() );
  // wxMessageBox(logBuf);
  logBuf += "\n";
  wxLogMessage(logBuf.c_str());
  // you must call event skip if you want default grid processing
  // (cell highlighting etc.)
  //
  ev.Skip();
}
//---------------------------------------------------------------------------
void DBGrid::OnCellChange( wxGridEvent& ev )
{
  logBuf = "DBGrid::OnCellChange : ";
  logBuf << "Cell at row " << ev.GetRow()
	 << " col " << ev.GetCol();
  // wxLogMessage( "%s", logBuf.c_str() );
  // wxMessageBox(logBuf);
  logBuf += "\n";
  wxLogMessage(logBuf.c_str());
  // you must call event skip if you want default grid processing
  // (cell highlighting etc.)
  //
  ev.Skip();
}
//---------------------------------------------------------------------------
void DBGrid::OnRowSize( wxGridSizeEvent& ev )
{
  logBuf = "DBGrid::OnRowSize : ";
  logBuf << "Resized row " << ev.GetRowOrCol();
  // wxLogMessage( "%s", logBuf.c_str() );
  logBuf += "\n";
  wxLogMessage(logBuf.c_str());
  ev.Skip();
}
//---------------------------------------------------------------------------
void DBGrid::OnColSize( wxGridSizeEvent& ev )
{
  logBuf = "DBGrid::OnColSize : ";
  logBuf << "Resized col " << ev.GetRowOrCol();
  // wxLogMessage( "%s", logBuf.c_str() );
  logBuf += "\n";
  wxLogMessage(logBuf.c_str());
  
  ev.Skip();
}
//---------------------------------------------------------------------------
void DBGrid::OnRangeSelected( wxGridRangeSelectEvent& ev )
{
  logBuf = "DBGrid::OnRangeSelected : ";
  logBuf  << "Selected cells from row " << ev.GetTopRow()
	  << " col " << ev.GetLeftCol()
	  << " to row " << ev.GetBottomRow()
	  << " col " << ev.GetRightCol();
  
  logBuf += "\n";
  // wxLogMessage( "%s", logBuf.c_str() );
  wxLogMessage(logBuf.c_str());
  
  ev.Skip();
}
//---------------------------------------------------------------------------