demos/dbbrowse/dbgrid.cpp

   1 //----------------------------------------------------------------------------------------
   2 // Name:        DBGrid.cpp
   3 // Purpose:     wxGrid sample
   4 // Author:      Mark Johnson
   5 // Modified by: 19990929.mj10777 a reuseable DBGrid
   6 // Created:     19990929
   7 // Copyright:   (c)
   8 // Licence:     wxWindows license
   9 // RCS-ID:      $Id$
  10 //----------------------------------------------------------------------------------------
  11 //-- all #ifdefs that the whole Project needs. -------------------------------------------
  12 //----------------------------------------------------------------------------------------
  13 #ifdef __GNUG__
  14 #pragma implementation
  15 #pragma interface
  16 #endif
  17 //----------------------------------------------------------------------------------------
  18 // For compilers that support precompilation, includes "wx/wx.h".
  19 #include "wx/wxprec.h"
  20 //----------------------------------------------------------------------------------------
  21 #ifdef __BORLANDC__
  22 #pragma hdrstop
  23 #endif
  24 //----------------------------------------------------------------------------------------
  25 #ifndef WX_PRECOMP
  26 #include "wx/wx.h"
  27 #endif
  28 //----------------------------------------------------------------------------------------
  29 //-- all #includes that every .cpp needs             --- 19990807.mj10777 ----------------
  30 //----------------------------------------------------------------------------------------
  31 #include "std.h"    // sorgsam Pflegen !
  32 //----------------------------------------------------------------------------------------
  33 BEGIN_EVENT_TABLE(DBGrid, wxGrid)
  34     EVT_MOTION (DBGrid::OnMouseMove)
  35     // DBGrid
  36     // ------------
  37     EVT_GRID_CELL_CHANGE( DBGrid::OnCellChange )
  38     EVT_GRID_CELL_LEFT_CLICK( DBGrid::OnCellLeftClick )
  39     EVT_GRID_CELL_LEFT_DCLICK( DBGrid::OnCellLeftDClick )
  40     EVT_GRID_CELL_RIGHT_CLICK( DBGrid::OnCellRightClick )
  41     EVT_GRID_CELL_RIGHT_DCLICK( DBGrid::OnCellRightDClick )
  42     // EVT_GRID_COL_SIZE( DBGrid::OnColSize )
  43     // EVT_GRID_ROW_SIZE( DBGrid::OnRowSize )
  44     EVT_GRID_EDITOR_SHOWN( DBGrid::OnEditorShown )
  45     EVT_GRID_EDITOR_HIDDEN( DBGrid::OnEditorHidden )
  46     EVT_GRID_LABEL_LEFT_CLICK( DBGrid::OnLabelLeftClick )
  47     EVT_GRID_LABEL_LEFT_DCLICK( DBGrid::OnLabelLeftDClick )
  48     EVT_GRID_LABEL_RIGHT_CLICK( DBGrid::OnLabelRightClick )
  49     EVT_GRID_LABEL_RIGHT_DCLICK( DBGrid::OnLabelRightDClick )
  50     EVT_GRID_RANGE_SELECT( DBGrid::OnRangeSelected )
  51     EVT_GRID_ROW_SIZE( DBGrid::OnRowSize )
  52     EVT_GRID_SELECT_CELL( DBGrid::OnSelectCell )
  53     EVT_MENU(GRID_EDIT,DBGrid::OnModusEdit)
  54     EVT_MENU(GRID_BROWSE,DBGrid::OnModusBrowse)
  55 END_EVENT_TABLE()
  56
  57 //----------------------------------------------------------------------------------------
  58 //           wxListCtrl(parent, id, pos, size, style)
  59 //           wxGrid(parent,-1,wxPoint( 0, 0 ), wxSize( 400, 300 ) );
  60 //----------------------------------------------------------------------------------------
  61 // DBGrid
  62 //----------------------------------------------------------------------------------------
  63 // DBGrid::DBGrid(wxWindow *parent, const wxWindowID id,const wxPoint& pos,const wxSize& size):
  64 //          wxGrid(parent, id, pos, size)
  65 DBGrid::DBGrid(wxWindow *parent, const wxWindowID id,const wxPoint& pos,const wxSize& size, long style):
  66 wxGrid(parent, id, pos, size, style)
  67 {
  68     b_EditModus = FALSE;
  69     //---------------------------------------------------------------------------------------
  70     popupMenu1 = new wxMenu(_T(""));
  71     popupMenu1->Append(GRID_EDIT, _("Edit Modus"));
  72     popupMenu2 = new wxMenu(_T(""));
  73     popupMenu2->Append(GRID_BROWSE, _("Browse Modus"));
  74 }
  75
  76 //----------------------------------------------------------------------------------------
  77 DBGrid::~DBGrid()
  78 {
  79     delete popupMenu1;
  80     delete popupMenu2;
  81 }
  82
  83 //----------------------------------------------------------------------------------------
  84 int  DBGrid::OnTableView(wxString Table)
  85 {
  86     wxStopWatch sw;
  87     //---------------------------------------------------------------------------------------
  88     int  x,y,z;
  89     wxString Temp0;
  90     wxBeginBusyCursor();
  91     SetDefaultCellFont(* pDoc->ft_Doc);
  92     //---------------------------------------------------------------------------------------
  93     ct_BrowserDB = (db_Br+i_Which)->ct_BrowserDB;                       // Get the DSN Pointer
  94     //---------------------------------------------------------------------------------------
  95     if (ct_BrowserDB)                                                   // Valid pointer (!= NULL) ?
  96     {      // Pointer is Valid, use the wxDatabase Information
  97         for (x=0;x<ct_BrowserDB->numTables;x++)                            // go through the Tables
  98         {
  99             if (!wxStrcmp((ct_BrowserDB->pTableInf+x)->tableName,Table))      // is this our Table ?
 100             {    // Yes, the Data of this Table shall be put into the Grid
 101                 int ValidTable = x;                                              // Save the Tablenumber
 102                 (db_Br+i_Which)->OnSelect(Table,FALSE);                          // Select * from "table"
 103                 // Set the local Pointer to the Column Information we are going to use
 104                 (db_Br+i_Which)->cl_BrowserDB = (ct_BrowserDB->pTableInf+x)->pColInf;
 105                 if ((ct_BrowserDB->pTableInf+x)->pColInf)                        // Valid pointer (!= NULL) ?
 106                 {   // Pointer is Valid, Column Informationen sind Vorhanden
 107                     int i = (db_Br+i_Which)->i_Records;                             // How many Records are there
 108                     (db_Br+i_Which)->i_Which = ValidTable;                          // Still used ???? mj10777
 109                     if (i == 0)     // If the Table is empty, then show one empty row
 110                         i++;
 111                     // wxLogMessage(_("\n-I-> DBGrid::OnTableView() : Vor CreateGrid"));
 112                     CreateGrid(i,(ct_BrowserDB->pTableInf+x)->numCols);             // Records , Columns
 113                     for (y=0;y<(ct_BrowserDB->pTableInf+x)->numCols;y++)            // Loop through the Fields
 114                     {  // The Field / Column name is used here as Row Titel
 115                         SetColLabelValue(y,((ct_BrowserDB->pTableInf+x)->pColInf+y)->colName);
 116                         SetColSize(y,95);
 117                     }  // for (y=0;y<(ct_BrowserDB->pTableInf+x)->numCols;y++)
 118                     SetColSize(((ct_BrowserDB->pTableInf+x)->numCols-1),120);       // Make the last Column Wider
 119                     // The Grid has been created, now fill it
 120                     for (z=0;z<(db_Br+i_Which)->i_Records;z++)                      // Loop through the Records
 121                     {
 122                         Temp0.Printf(_T("%06d"),z+1);  SetRowLabelValue(z,Temp0);          // Set Row Lable Value
 123                         (db_Br+i_Which)->OnGetNext((ct_BrowserDB->pTableInf+ValidTable)->numCols,FALSE);
 124                         for (y=0;y<(ct_BrowserDB->pTableInf+ValidTable)->numCols;y++) // Loop through the Fields
 125                         { // BrowserDB::OnGetNext Formats the field Value into tablename
 126                             SetCellValue(z, y,((db_Br+i_Which)->cl_BrowserDB+y)->tableName);
 127                         }
 128                         if (z % 50 == 0)
 129                         {
 130                             Temp0.Printf(_("-I-> DBGrid::OnTableView(%s) - Record %6d (from %d) has been read."),Table.c_str(),z,(db_Br+i_Which)->i_Records);
 131                             pDoc->p_MainFrame->SetStatusText(Temp0, 0);
 132                         }
 133                     }  // for (z=0;z<(db_Br+i_Which)->i_Records;z++)
 134                     Temp0.Printf(_("-I-> DBGrid::OnTableView(%s) - %6d Records have been read. - Time needed : %ld ms"),Table.c_str(),z,sw.Time());
 135                     wxLogMessage(Temp0);
 136                     pDoc->p_MainFrame->SetStatusText(Temp0, 0);
 137                     // The Grid has been filled, now leave
 138                     goto Weiter;
 139                 }   // if ((ct_BrowserDB->pTableInf+x)->pColInf)
 140                 else
 141                     wxLogMessage(_("\n-E-> DBGrid::OnTableView() : Invalid Column Pointer : Failed"));
 142             }    // if ((ct_BrowserDB->pTableInf+x)->tableType == "TABLE")
 143         }     // for (x=0;x<ct_BrowserDB->numTables;x++)
 144     }      // if (ct_BrowserDB)
 145     else
 146         wxLogMessage(_("\n-E-> DBGrid::OnTableView() : Invalid DSN Pointer : Failed"));
 147     //---------------------------------------------------------------------------------------
 148 Weiter:
 149     EnableEditing(b_EditModus);     // Deactivate in-place Editing
 150     wxEndBusyCursor();
 151     //---------------------------------------------------------------------------------------
 152     wxLogMessage(_("-I-> DBGrid::OnTableView() - End"));
 153     return 0;
 154 }
 155
 156 //----------------------------------------------------------------------------------------
 157 void DBGrid::OnModusEdit(wxCommandEvent& WXUNUSED(event))
 158 {
 159     b_EditModus = TRUE;             // Needed by PopupMenu
 160     EnableEditing(b_EditModus);     // Activate in-place Editing
 161     UpdateDimensions();             // Redraw the Grid
 162     // wxLogMessage(_("-I-> DBGrid::OnModusEdit() - End"));
 163 }
 164
 165 //----------------------------------------------------------------------------------------
 166 void DBGrid::OnModusBrowse(wxCommandEvent& WXUNUSED(event))
 167 {
 168     b_EditModus = FALSE;            // Needed by PopupMenu
 169     EnableEditing(b_EditModus);     // Deactivate in-place Editing
 170     UpdateDimensions();             // Redraw the Grid
 171     // wxLogMessage(_("-I-> DBGrid::OnModusBrowse() - End"));
 172 }
 173
 174 //----------------------------------------------------------------------------------------
 175 void DBGrid::OnEditorShown( wxGridEvent& ev )
 176 {
 177     // wxLogMessage(_("-I-> DBGrid::OnEditorShown() - End"));
 178     ev.Skip();
 179 }
 180
 181 //----------------------------------------------------------------------------------------
 182 void DBGrid::OnEditorHidden( wxGridEvent& ev )
 183 {
 184     // wxLogMessage(_("-I-> DBGrid::OnEditorHidden() - End"));
 185     ev.Skip();
 186 }
 187
 188 //----------------------------------------------------------------------------------------
 189 void DBGrid::OnSelectCell( wxGridEvent& ev )
 190 {
 191     logBuf = _T("");
 192     logBuf << _T("Selected cell at row ") << ev.GetRow()
 193         << _T(" col ") << ev.GetCol();
 194     wxLogMessage( _T("%s"), logBuf.c_str() );
 195     // you must call Skip() if you want the default processing
 196     // to occur in wxGrid
 197     ev.Skip();
 198 }
 199
 200 //----------------------------------------------------------------------------------------
 201 void DBGrid::OnMouseMove(wxMouseEvent &event)
 202 {
 203     MousePos = event.GetPosition();
 204 }
 205
 206 //----------------------------------------------------------------------------------------
 207 void DBGrid::OnLabelLeftClick( wxGridEvent& ev )
 208 {
 209     logBuf = _T("DBGrid::OnLabelLeftClick : ");
 210     if ( ev.GetRow() != -1 )
 211     {
 212         logBuf << _T("row label ") << ev.GetRow();
 213     }
 214     else if ( ev.GetCol() != -1 )
 215     {
 216         logBuf << _T("col label ") << ev.GetCol();
 217     }
 218     else
 219     {
 220         logBuf << _T("corner label");
 221     }
 222     if ( ev.ShiftDown() )
 223         logBuf << _T(" (shift down)");
 224
 225     // wxLogMessage( "%s", logBuf.c_str() );
 226     logBuf += _T("\n");
 227     wxLogMessage(logBuf.c_str());
 228     ev.Skip();
 229 }
 230
 231 //----------------------------------------------------------------------------------------
 232 void DBGrid::OnLabelRightClick( wxGridEvent& ev )
 233 {
 234     //-------------------------------------------------------
 235     if (b_EditModus)
 236         PopupMenu(popupMenu2,MousePos.x,MousePos.y);
 237     else
 238         PopupMenu(popupMenu1,MousePos.x,MousePos.y);
 239     //-------------------
 240     logBuf = _T("DBGrid::OnLabelRightClick : ");
 241     if ( ev.GetRow() != -1 )
 242     {
 243         logBuf << _T("row label ") << ev.GetRow();
 244     }
 245     else if ( ev.GetCol() != -1 )
 246     {
 247         logBuf << _T("col label ") << ev.GetCol();
 248     }
 249     else
 250     {
 251         logBuf << _T("corner label");
 252     }
 253     if ( ev.ShiftDown() )
 254         logBuf << _T(" (shift down)");
 255
 256     // wxLogMessage( "%s", logBuf.c_str() );
 257     logBuf += _T("\n");
 258     wxLogMessage(logBuf.c_str());
 259     ev.Skip();
 260 }
 261
 262 //----------------------------------------------------------------------------------------
 263 void DBGrid::OnLabelLeftDClick( wxGridEvent& ev )
 264 {
 265     logBuf = _T("DBGrid::OnLabelLeftDClick : ");
 266     if ( ev.GetRow() != -1 )
 267     {
 268         logBuf << _T("row label ") << ev.GetRow();
 269     }
 270     else if ( ev.GetCol() != -1 )
 271     {
 272         logBuf << _T("col label ") << ev.GetCol();
 273     }
 274     else
 275     {
 276         logBuf << _T("corner label");
 277     }
 278     if ( ev.ShiftDown() )
 279         logBuf << _T(" (shift down)");
 280
 281     // wxLogMessage( _T("%s"), logBuf.c_str() );
 282     logBuf += _T("\n");
 283     wxLogMessage(logBuf.c_str());
 284     ev.Skip();
 285 }
 286
 287 //----------------------------------------------------------------------------------------
 288 void DBGrid::OnLabelRightDClick( wxGridEvent& ev )
 289 {
 290     logBuf = _T("DBGrid::OnLabelRightDClick : ");
 291     if ( ev.GetRow() != -1 )
 292     {
 293         logBuf << _T("row label ") << ev.GetRow();
 294     }
 295     else if ( ev.GetCol() != -1 )
 296     {
 297         logBuf << _T("col label ") << ev.GetCol();
 298     }
 299     else
 300     {
 301         logBuf << _T("corner label");
 302     }
 303     if ( ev.ShiftDown() )
 304         logBuf << _T(" (shift down)");
 305     // wxLogMessage( "%s", logBuf.c_str() );
 306     logBuf += _T("\n");
 307     wxLogMessage(logBuf.c_str());
 308     ev.Skip();
 309 }
 310
 311 //----------------------------------------------------------------------------------------
 312 void DBGrid::OnCellLeftClick( wxGridEvent& ev )
 313 {
 314     logBuf = _T("DBGrid::OnCellLeftClick : ");
 315     logBuf << _T("Cell at row ") << ev.GetRow()
 316         << _T(" col ") << ev.GetCol();
 317     // wxLogMessage( "%s", logBuf.c_str() );
 318     // wxMessageBox(logBuf);
 319     logBuf += _T("\n");
 320     wxLogMessage(logBuf.c_str());
 321     // you must call event skip if you want default grid processing
 322     // (cell highlighting etc.)
 323     //
 324     ev.Skip();
 325 }
 326
 327 //----------------------------------------------------------------------------------------
 328 void DBGrid::OnCellRightClick( wxGridEvent& ev )
 329 {
 330     logBuf = _T("DBGrid::OnCellRightClick : ");
 331     logBuf << _T("Cell at row ") << ev.GetRow()
 332         << _T(" col ") << ev.GetCol();
 333     // wxLogMessage( "%s", logBuf.c_str() );
 334     // wxMessageBox(logBuf);
 335     logBuf += _T("\n");
 336     wxLogMessage(logBuf.c_str());
 337     // you must call event skip if you want default grid processing
 338     // (cell highlighting etc.)
 339     //
 340     ev.Skip();
 341 }
 342
 343 //----------------------------------------------------------------------------------------
 344 void DBGrid::OnCellLeftDClick( wxGridEvent& ev )
 345 {
 346     logBuf = _T("DBGrid::OnCellLeftDClick : ");
 347     logBuf << _T("Cell at row ") << ev.GetRow()
 348         << _T(" col ") << ev.GetCol();
 349     // wxLogMessage( "%s", logBuf.c_str() );
 350     // wxMessageBox(logBuf);
 351     logBuf += _T("\n");
 352     wxLogMessage(logBuf.c_str());
 353     // you must call event skip if you want default grid processing
 354     // (cell highlighting etc.)
 355     //
 356     ev.Skip();
 357 }
 358
 359 //----------------------------------------------------------------------------------------
 360 void DBGrid::OnCellRightDClick( wxGridEvent& ev )
 361 {
 362     logBuf = _T("DBGrid::OnCellRightDClick : ");
 363     logBuf << _T("Cell at row ") << ev.GetRow()
 364         << _T(" col ") << ev.GetCol();
 365     // wxLogMessage( "%s", logBuf.c_str() );
 366     // wxMessageBox(logBuf);
 367     logBuf += _T("\n");
 368     wxLogMessage(logBuf.c_str());
 369     // you must call event skip if you want default grid processing
 370     // (cell highlighting etc.)
 371     //
 372     ev.Skip();
 373 }
 374
 375 //----------------------------------------------------------------------------------------
 376 void DBGrid::OnCellChange( wxGridEvent& ev )
 377 {
 378     logBuf = _T("DBGrid::OnCellChange : ");
 379     logBuf << _T("Cell at row ") << ev.GetRow()
 380         << _T(" col ") << ev.GetCol();
 381     // wxLogMessage( "%s", logBuf.c_str() );
 382     // wxMessageBox(logBuf);
 383     logBuf += _T("\n");
 384     wxLogMessage(logBuf.c_str());
 385     // you must call event skip if you want default grid processing
 386     // (cell highlighting etc.)
 387     //
 388     ev.Skip();
 389 }
 390
 391 //----------------------------------------------------------------------------------------
 392 void DBGrid::OnRowSize( wxGridSizeEvent& ev )
 393 {
 394     logBuf = _T("DBGrid::OnRowSize : ");
 395     logBuf << _T("Resized row ") << ev.GetRowOrCol();
 396     // wxLogMessage( "%s", logBuf.c_str() );
 397     logBuf += _T("\n");
 398     wxLogMessage(logBuf.c_str());
 399     ev.Skip();
 400 }
 401
 402 //----------------------------------------------------------------------------------------
 403 void DBGrid::OnColSize( wxGridSizeEvent& ev )
 404 {
 405     logBuf = _T("DBGrid::OnColSize : ");
 406     logBuf << _T("Resized col ") << ev.GetRowOrCol();
 407     // wxLogMessage( "%s", logBuf.c_str() );
 408     logBuf += _T("\n");
 409     wxLogMessage(logBuf.c_str());
 410     ev.Skip();
 411 }
 412
 413 //----------------------------------------------------------------------------------------
 414 void DBGrid::OnRangeSelected( wxGridRangeSelectEvent& ev )
 415 {
 416     logBuf = _T("DBGrid::OnRangeSelected : ");
 417     logBuf  << _T("Selected cells from row ") << ev.GetTopRow()
 418         << _T(" col ") << ev.GetLeftCol()
 419         << _T(" to row ") << ev.GetBottomRow()
 420         << _T(" col ") << ev.GetRightCol();
 421     logBuf += _T("\n");
 422     // wxLogMessage( "%s", logBuf.c_str() );
 423     wxLogMessage(logBuf.c_str());
 424     ev.Skip();
 425 }
 426 //----------------------------------------------------------------------------------------