wxWidgets/demos/dbbrowse/doc.cpp

//---------------------------------------------------------------------------
// Name:        Doc.cpp
// Purpose:     Holds information for DBBrowser
// Author:      Mark Johnson, mj10777@gmx.net
// Modified by: 19990808.mj10777
// BJO        : Bart A.M. JOURQUIN
// Created:     19990808
// Copyright:   (c) Mark Johnson
// Licence:     wxWindows license
//---------------------------------------------------------------------------
//-- 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
struct DbStuff DbConnectInf;
//---------------------------------------------------------------------------
wxConfigBase   *p_ProgramCfg;       // All Config and Path information
wxLogTextCtrl  *p_LogBook;          // All Log messages
wxString        LogBuf;             // String for all Logs
//---------------------------------------------------------------------------
mjDoc::mjDoc()
{
  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;
}
//---------------------------------------------------------------------------
mjDoc::~mjDoc()
{
  // ----------------------------------------------------------
  // -E-> The Tree Controls take to long to close : Why ??
  // ----------------------------------------------------------
  // wxMessageBox("-I-> end Doc");
  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("~mjDoc");
}
//---------------------------------------------------------------------------
bool mjDoc::OnNewDocument()
{
  //-------------------------------------------------------------------
  if (!OnInitView())                 // LogBook is now activ
    return FALSE;
  p_PgmCtrl->OnPopulate();
  //-------------------------------------------------------------------
  return TRUE;
}
//---------------------------------------------------------------------------
bool mjDoc::OnInitView()
{
  Sash = p_ProgramCfg->Read("/MainFrame/Sash", 200);
  // wxMessageBox("OnInitView() - Begin ","-I->mjDoc::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);
  //--------------------------------------------------------------------------
  // 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 );
  wxFont* ft_Temp = new wxFont(10,wxSWISS,wxNORMAL,wxBOLD,FALSE,"Comic Sans MS");
  p_LogWin->SetFont(* ft_Temp);
  // 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;
  //--------------------------------------------------------------------------
  Temp0.Printf("-I-> mjDoc::OnInitView() - End - %d DSN's found",i_DSN);
  p_MainFrame->SetStatusText(Temp0, 0);
  wxLogMessage(Temp0);
  return TRUE;
}
//----------------------------------------------------------------------------------------
bool mjDoc::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(GetDataSource(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,(p_DSN+i)->Drv);
      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
    {
      // 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 mjDoc::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 mjDoc::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 mjDoc::OnLeer(wxString Aufrufer)
{
  // Temp0.Printf(_("\nmjDoc::OnLeer(%s) : auch diese funktion steht eines Tages zur Verf<72>gung !"),Aufrufer.c_str());
  Temp0.Printf(_("\nmjDoc::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()
  //----------------------------------------------------------------------------------------
  // Define a constructor for my p_Splitter
  DocSplitterWindow::DocSplitterWindow(wxWindow *parent, wxWindowID id) : wxSplitterWindow(parent, id)
{
}
//----------------------------------------------------------------------------------------