wxWidgets/demos/dbbrowse/doc.cpp

//----------------------------------------------------------------------------------------
// Name:        Doc.cpp
// Purpose:     Holds information for DBBrowser - (a do-it-yourself document)
// Author:      Mark Johnson, mj10777@gmx.net
// Modified by: 19990808.mj10777
// BJO        : Bart A.M. JOURQUIN
// Created:     19990808
// Copyright:   (c) Mark Johnson
// 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 !
//----------------------------------------------------------------------------------------
//-- Some Global Vars for all Files (extern in ?.h needed) -------------------------------
// Global structure for holding ODBC connection information
wxDbConnectInf DbConnectInf;
//----------------------------------------------------------------------------------------
wxConfigBase   *p_ProgramCfg;       // All Config and Path information
wxLogTextCtrl  *p_LogBook;          // All Log messages
wxString        LogBuf;             // String for all Logs
//----------------------------------------------------------------------------------------
MainDoc::MainDoc()
{
 db_Br          = NULL;
 p_DSN          = NULL;
 i_DSN          = 0;
 p_Splitter     = NULL;
 p_MainFrame    = NULL;
 p_PgmCtrl      = NULL;               // Is not active
 p_DBTree       = NULL;
 p_DBGrid       = NULL;
 p_LogWin       = NULL;
 p_TabArea      = NULL;
 p_PageArea     = NULL;
 i_TabNr        = 0;
 i_PageNr       = 0;
 s_BColour = "WHEAT";
 ft_Doc = new wxFont(wxSystemSettings::GetSystemFont(wxSYS_SYSTEM_FONT));
}
//----------------------------------------------------------------------------------------
MainDoc::~MainDoc()
{
 // ----------------------------------------------------------
 // -E-> The Tree Controls take to long to close : Why ??
 // ----------------------------------------------------------
 delete ft_Doc;
 ft_Doc  = NULL;
 p_TabArea->Show(FALSE);    // Deactivate the Window
 p_PageArea->Show(FALSE);    // Deactivate the Window
 p_PgmCtrl = NULL;
 delete p_PgmCtrl;
 delete [] p_DSN;
 delete p_DBTree;
 p_TabArea  = NULL; delete p_TabArea;
 p_PageArea = NULL; delete p_PageArea;
 p_Splitter = NULL;
 delete p_Splitter;
 delete [] db_Br;
 //  wxMessageBox("~MainDoc");
}
//----------------------------------------------------------------------------------------
bool MainDoc::OnNewDocument()
{
 wxStopWatch sw;
 //---------------------------------------------------------------------------------------
 if (!OnInitView())
  return FALSE;
 p_PgmCtrl->OnPopulate();
 //---------------------------------------------------------------------------------------
 wxLogMessage(_("-I-> MainDoc::OnNewDocument() - End - Time needed : %ld ms"),sw.Time());
 return TRUE;
}
//----------------------------------------------------------------------------------------
bool MainDoc::OnInitView()
{
 Sash = p_ProgramCfg->Read("/MainFrame/Sash", 200);
 // wxMessageBox("OnInitView() - Begin ","-I->MainDoc::OnInitView");
 //---------------------------------------------------------------------------------------
 // create "workplace" window
 //---------------------------------------------------------------------------------------
 p_TabArea = new wxTabbedWindow(); // Init the Pointer
 p_TabArea->Create(p_Splitter, -1);
 //---------------------------------------------------------------------------------------
 p_PgmCtrl = new PgmCtrl(p_TabArea, TREE_CTRL_PGM,wxDefaultPosition, wxDefaultSize,
                         wxTR_HAS_BUTTONS | wxSUNKEN_BORDER);
 p_PgmCtrl->i_TabArt = 0; // 0 = Tab ; 1 = Page
 p_PgmCtrl->i_ViewNr = p_TabArea->GetTabCount()-1;
 //---------------------------------------------------------------------------------------
 wxBitmap *p_FolderClose = new wxBitmap("PgmCtrl"); //, wxBITMAP_TYPE_BMP_RESOURCE); // BJO20000115
 //---------------------------------------------------------------------------------------
 p_TabArea->AddTab(p_PgmCtrl,"PgmCtrl",p_FolderClose);
 delete p_FolderClose;      // Memory leak
 p_FolderClose = NULL;
 //---------------------------------------------------------------------------------------
 // now create "output" window
 //---------------------------------------------------------------------------------------
 p_PageArea = new wxPaggedWindow();  // Init the Pointer
 p_PageArea->Create(p_Splitter, -1);
 //---------------------------------------------------------------------------------------
 p_LogWin = new wxTextCtrl(p_PageArea,-1,wxEmptyString,
      wxDefaultPosition, wxDefaultSize,wxTE_MULTILINE );
 p_LogWin->SetFont(* ft_Doc);
 // Don't forget ! This is always : i_TabArt = 0 ; i_ViewNr = 1;
 //---------------------------------------------------------------------------------------
 p_LogBook = new wxLogTextCtrl(p_LogWin); // make p_LogWin the LogBook
 p_LogBook->SetActiveTarget(p_LogBook);
 p_LogBook->SetTimestamp( NULL );
 //---------------------------------------------------------------------------------------
 p_PageArea->AddTab(p_LogWin,_("LogBook"), "what is this?" );
 i_TabNr  = p_TabArea->GetTabCount()-1;  // Add one when a new AddTab is done;
 i_PageNr = p_PageArea->GetTabCount()-1; // Add one when a new AddTab is done;
 //---------------------------------------------------------------------------------------
 p_PgmCtrl->pDoc = this;
 p_TabArea->SetActiveTab(i_PageNr);
 //---------------------------------------------------------------------------------------
 p_Splitter->Initialize(p_TabArea);
 p_Splitter->SplitHorizontally(p_TabArea,p_PageArea,Sash);
 //---------------------------------------------------------------------------------------
 // if (!OnInitODBC())
 //  return FALSE;
 OnInitODBC();
 //---------------------------------------------------------------------------------------
 Temp0.Printf(_("-I-> MainDoc::OnInitView() - End - %d DSN's found"),i_DSN);
 p_MainFrame->SetStatusText(Temp0, 0);
 wxLogMessage(Temp0);
 return TRUE;
}
//----------------------------------------------------------------------------------------
bool MainDoc::OnInitODBC()
{
 char Dsn[SQL_MAX_DSN_LENGTH + 1];
 char DsDesc[255]; // BJO20002501 instead of 512
 Temp0 = "";
 i_DSN = 0;       // Counter
 int i = 0;
 //---------------------------------------------------------------------------------------
 // Initialize the ODBC Environment for Database Operations

 if (SQLAllocEnv(&DbConnectInf.Henv) != SQL_SUCCESS)
 {
  return FALSE;
 }
 //---------------------------------------------------------------------------------------
 const char sep = 3; // separator character used in string between DSN ans DsDesc
 wxStringList s_SortDSNList, s_SortDsDescList;
 // BJO-20000127
 // In order to have same sort result on both Dsn and DsDesc, create a 'keyed' string.
 // The key will be removed after sorting
 wxString KeyString;
 //---------------------------------------------------------------------------------------
 while(wxDbGetDataSource(DbConnectInf.Henv, Dsn, sizeof(Dsn), DsDesc, sizeof(DsDesc)))
 {
  i_DSN++;   // How many Dsn have we ?
  KeyString.Printf("%s%c%s",Dsn, sep, DsDesc);
  s_SortDSNList.Add(Dsn);
  s_SortDsDescList.Add(KeyString);
 }
 s_SortDSNList.Sort();     //BJO
 s_SortDsDescList.Sort();  //BJO

 char ** s_SortDSN = s_SortDSNList.ListToArray();        //BJO
 char ** s_SortDsDesc = s_SortDsDescList.ListToArray();  //BJO
 //---------------------------------------------------------------------------------------
 // Allocate n ODBC-DSN objects to hold the information
 p_DSN = new DSN[i_DSN];  //BJO
 for (i=0;i<i_DSN;i++)
 {
  KeyString = s_SortDsDesc[i];
  KeyString = KeyString.AfterFirst(sep);
  strcpy(s_SortDsDesc[i],KeyString.c_str());
  (p_DSN+i)->Dsn = s_SortDSN[i];
  (p_DSN+i)->Drv = s_SortDsDesc[i];
  (p_DSN+i)->Usr = "";
  (p_DSN+i)->Pas = "";
  Temp0.Printf("%02d) Dsn(%s) DsDesc(%s)",i,(p_DSN+i)->Dsn.c_str(),(p_DSN+i)->Drv.c_str());
  wxLogMessage(Temp0);
 }
 i = 0;
 //---------------------------------------------------------------------------------------
 // Allocate n wxDatabase objects to hold the column information
 db_Br = new BrowserDB[i_DSN];
 for (i=0;i<i_DSN;i++)
 {
  (db_Br+i)->p_LogWindow = p_LogWin;
  (db_Br+i)->ODBCSource  = (p_DSN+i)->Dsn;
  (db_Br+i)->UserName    = (p_DSN+i)->Usr;
  (db_Br+i)->Password    = (p_DSN+i)->Pas;
  (db_Br+i)->pDoc        = this;
  (db_Br+i)->i_Which     = i;
 }
 if (SQLFreeEnv(DbConnectInf.Henv) != SQL_SUCCESS) // BJO20000125 / MJ10777.20000309 : no &
 {
  // Error freeing environment handle
 }
 delete [] s_SortDSN;
 delete [] s_SortDsDesc;
 //---------------------------------------------------------------------------------------
 if (!i_DSN)
 {
  wxMessageBox(_("No Dataset names found in ODBC!\n" \
      "           Program will exit!\n\n" \
      "                       Ciao"),"-E-> Fatal situation");
  return FALSE;
 }
 //---------------------------------------------------------------------------------------
 return TRUE;
}
//----------------------------------------------------------------------------------------
bool MainDoc::OnChosenDSN(int Which)
{
 // wxLogMessage("OnChosenDSN(%d) - Begin",Which);
 //---------------------------------------------------------------------------------------
 if (p_DBTree != NULL)
 {
  p_TabArea->Show(FALSE);    // Deactivate the Window
  p_TabArea->RemoveTab(p_DBTree->i_ViewNr);
  p_TabArea->Show(TRUE);     // Activate the Window
  OnChosenTbl(77,"");
 }
 //-------------------------
 p_TabArea->Show(FALSE);    // Deactivate the Window
 p_DBTree = new DBTree(p_TabArea, TREE_CTRL_DB,wxDefaultPosition, wxDefaultSize,
   wxTR_HAS_BUTTONS | wxSUNKEN_BORDER);
 p_TabArea->AddTab(p_DBTree,(p_DSN+Which)->Dsn," ? ");
 p_DBTree->i_ViewNr = p_TabArea->GetTabCount()-1;
 p_TabArea->Show(TRUE);    // Deactivate the Window
 p_DBTree->i_Which  = Which;
 p_DBTree->s_DSN    = (p_DSN+Which)->Dsn;
 p_DBTree->i_TabArt = 0;
 p_DBTree->pDoc     = this;
 p_DBTree->OnPopulate();
 p_TabArea->SetActiveTab(p_DBTree->i_ViewNr);
 //---------------------------------------------------------------------------------------
 // wxLogMessage("OnChosenDSN(%d) - End",Which);
 return TRUE;
}
//----------------------------------------------------------------------------------------
bool MainDoc::OnChosenTbl(int Tab,wxString Table)
{
 // wxLogMessage("OnChosenTbl(%d,%s)",Tab,Table.c_str());
 //-------------------------
 if (p_DBGrid != NULL)
 {
  if (p_DBGrid->i_TabArt == 0)
  {
   p_TabArea->Show(FALSE);    // Deactivate the Window
   p_TabArea->RemoveTab(p_DBGrid->i_ViewNr);
   p_TabArea->Show(TRUE);     // Activate the Window
  }
  if (p_DBGrid->i_TabArt == 1)
  {
   p_PageArea->Show(FALSE);   // Deactivate the Window
   p_PageArea->RemoveTab(p_DBGrid->i_ViewNr);
   p_PageArea->Show(TRUE);    // Activate the Window
  }
  p_DBGrid = NULL;
  delete p_DBGrid;
 }
 if (Tab == 77)               // Delete only
  return TRUE;
 //-------------------------
 if (Tab == 0)  // Tabview
 {
  p_TabArea->Show(FALSE);    // Deactivate the Window
  p_DBGrid = new DBGrid(p_TabArea,GRID_CTRL_DB,wxDefaultPosition, wxDefaultSize,
                                               wxSUNKEN_BORDER);
  p_TabArea->AddTab(p_DBGrid, Table, "");
  p_DBGrid->i_ViewNr = p_TabArea->GetTabCount()-1;
  p_DBGrid->pDoc       = this;
  p_DBGrid->db_Br      = db_Br;
  p_DBGrid->OnTableView(Table);
  p_TabArea->SetActiveTab(p_DBGrid->i_ViewNr);
  p_TabArea->Show(TRUE);     // Activate the Window
 }
 if (Tab == 1)  // Pageview
 {
  p_PageArea->Show(FALSE);   // Deactivate the Window
  p_DBGrid = new DBGrid(p_PageArea,GRID_CTRL_DB,wxDefaultPosition, wxDefaultSize,
                                                wxSUNKEN_BORDER);
  p_PageArea->AddTab(p_DBGrid, Table, "");
  p_DBGrid->i_ViewNr = p_PageArea->GetTabCount()-1;
  p_DBGrid->pDoc       = this;
  p_DBGrid->db_Br      = db_Br;
  p_DBGrid->i_Which    = p_DBTree->i_Which;
  p_PageArea->Show(TRUE);    // Activate the Window
  p_DBGrid->OnTableView(Table);
  p_PageArea->SetActiveTab(p_DBGrid->i_ViewNr);
 }
 p_DBGrid->i_TabArt = Tab;
 //--------------------------
 return TRUE;;
}
//----------------------------------------------------------------------------------------
void MainDoc::OnLeer(wxString Aufrufer)
{
 // Temp0.Printf(_("\nMainDoc::OnLeer(%s) : auch diese funktion steht eines Tages zur Verf<72>gung !"),Aufrufer.c_str());
 Temp0.Printf(_("\nMainDoc::OnLeer(%s) : even this function will one day be available !"),Aufrufer.c_str());
 wxLogMessage(Temp0);  Temp0.Empty();
 return;
}
//----------------------------------------------------------------------------------------
BEGIN_EVENT_TABLE(DocSplitterWindow, wxSplitterWindow)
END_EVENT_TABLE()
//----------------------------------------------------------------------------------------
DocSplitterWindow::DocSplitterWindow(wxWindow *parent, wxWindowID id) : wxSplitterWindow(parent, id)
{ // Define a constructor for my p_Splitter
}
//----------------------------------------------------------------------------------------