DIALOGS.C

//*--------------------------------------------------------------------------------- 
//| ODBC System Administrator
//|
//| This code is furnished on an as-is basis as part of the ODBC SDK and is
//| intended for example purposes only.
//|
//| Title: DIALOGS.C
//| This module contains the dialog procs which are used to display
//| catalog function arguements and display the results. Note that
//| the best way to determine the size of the arguements would be
//| to use SQLGetInfo, however, due to ease of coding, the values
//| have been hard-coded to constants.
//*---------------------------------------------------------------------------------
#include <windows.h>
#include "admndemo.h"
#include "dialogs.h"
#include "sql.h"
#include "sqlext.h"
#include "execute.h"
#include "info.h"
#include "results.h"
#include "strings.h"

VSZFile;
#define CHKNULL(str) (*str ? str : NULL)


//*---------------------------------------------------------------------------------
//| Local function prototypes
//*---------------------------------------------------------------------------------
BOOL ShowCatalogResults(CHILDINFO FAR * ci, LPSTR szTitle);
BOOL EXTFUN CatalogWndProc(HWND hDlg, unsigned msg, WPARAM wParam, LPARAM lParam);


//*---------------------------------------------------------------------------------
//| Global variables
//*---------------------------------------------------------------------------------
extern char OutStr[MAXBUFF];


//
// The following set of defines and host vars are used to create a common
// dialog handler for each of the catalog function dialogs. This makes
// the code size smaller while still handling each catalog functions
// parameters. It also allows for sharing of values from one function
// to another.
//
#define CAT_LAST 256
#define CAT_QUALIFIER 1
#define CAT_TABLE 2
#define CAT_OWNER 4
#define CAT_TYPE 8
#define CAT_COLUMN 16
#define CAT_QUALIFIER2 32
#define CAT_OWNER2 64
#define CAT_TABLE2 128
#define CAT_PROCS 256
char szQualifierVal[MAX_QUALIFIER];
char szTableVal[MAX_NAME];
char szOwnerVal[MAX_OWNER];
char szTypeVal[MAX_NAME];
char szColumnVal[MAX_NAME];
char szQualifierVal2[MAX_QUALIFIER];
char szOwnerVal2[MAX_OWNER];
char szTableVal2[MAX_NAME];
char szProcsVal[MAX_NAME];

struct {
int mMask; // Bit mask value
int id; // Edit control id
LPSTR szStr; // Buffer location
int cbMax; // Maximum size
} CatalogVals[] = {
// mMask id szStr cbMax
// ------------------- --------------------- ----------------------- ------------------------
CAT_QUALIFIER, IDE_QUALIFIER, (LPSTR)szQualifierVal, MAX_QUALIFIER,
CAT_TABLE, IDE_TABLE, (LPSTR)szTableVal, MAX_NAME,
CAT_OWNER, IDE_OWNER, (LPSTR)szOwnerVal, MAX_OWNER,
CAT_TYPE, IDE_TYPE, (LPSTR)szTypeVal, MAX_NAME,
CAT_COLUMN, IDE_COLUMN, (LPSTR)szColumnVal, MAX_NAME,
CAT_QUALIFIER2, IDE_QUALIFIER2, (LPSTR)szQualifierVal2, MAX_QUALIFIER,
CAT_OWNER2, IDE_OWNER2, (LPSTR)szOwnerVal2, MAX_OWNER,
CAT_TABLE2, IDE_TABLE2, (LPSTR)szTableVal2, MAX_NAME,
CAT_PROCS, IDE_PROCEDURE, (LPSTR)szProcsVal, MAX_NAME,
};

dCSEG(char) szTablesTitle[] = "Tables";
dCSEG(char) szColumnsTitle[] = "Columns";
dCSEG(char) szStatistics[] = "Statistics";
dCSEG(char) szPrimaryKeys[] = "Primary Keys";
dCSEG(char) szForeignKeys[] = "Foreign Keys";
dCSEG(char) szTablePrivs[] = "Table Privileges";
dCSEG(char) szColumnPrivs[] = "Column Privileges";
dCSEG(char) szSpecialCols[] = "Special Columns";
dCSEG(char) szProcsTitle[] = "Procedures";
dCSEG(char) szProcCols[] = "Procedure Columns";
dCSEG(char) szCOLON[] = ":";


struct {
int idMenu; // Menu identifier
int iDialogName; // ID of dialog
// DLGWNDPROC dlgProc; // Dialog procedure
LPSTR szDlgTitle; // Title of the dialog
UINT mask; // Mask for this dialog
} Dialogs[] = {
// idMenu iDialogName szDlgTitle mask
// --------------------- ------------------ ----------------------- -------------------------------------------------
IDM_TABLES, IDD_SQLTABLES, (LPSTR)szTablesTitle, CAT_QUALIFIER | CAT_OWNER | CAT_TABLE | CAT_TYPE,
IDM_COLUMNS, IDD_SQLCOLUMNS, (LPSTR)szColumnsTitle, CAT_QUALIFIER | CAT_OWNER | CAT_TABLE | CAT_COLUMN,
IDM_STATISTICS, IDD_SQLSTATISTICS, (LPSTR)szStatistics, CAT_QUALIFIER | CAT_OWNER | CAT_TABLE,
IDM_PRIMARY_KEYS, IDD_SQLPRIMARYKEYS, (LPSTR)szPrimaryKeys, CAT_QUALIFIER | CAT_OWNER | CAT_TABLE,
IDM_FOREIGN_KEYS, IDD_SQLFOREIGNKEYS, (LPSTR)szForeignKeys, CAT_QUALIFIER | CAT_OWNER | CAT_TABLE | CAT_QUALIFIER2 | CAT_OWNER2 | CAT_TABLE2,
IDM_TABLE_PRIVS, IDD_SQLTABLEPRIVILEGES, (LPSTR)szTablePrivs, CAT_QUALIFIER | CAT_OWNER | CAT_TABLE,
IDM_COLUMN_PRIVS, IDD_SQLCOLUMNPRIVILEGES, (LPSTR)szColumnPrivs, CAT_QUALIFIER | CAT_OWNER | CAT_TABLE | CAT_COLUMN,
IDM_SPECIAL_COLUMNS, IDD_SQLSPECIALCOLUMNS, (LPSTR)szSpecialCols, CAT_QUALIFIER | CAT_OWNER | CAT_TABLE,
IDM_PROCEDURES, IDD_SQLPROCEDURES, (LPSTR)szProcsTitle, CAT_QUALIFIER | CAT_OWNER | CAT_PROCS,
IDM_PROC_COLUMNS, IDD_SQLPROCEDURECOLUMNS, (LPSTR)szProcCols, CAT_QUALIFIER | CAT_OWNER | CAT_PROCS | CAT_COLUMN,
};

//
// This structure is used to control the catalog fucntions
//
typedef struct tagCATALOGINFO {
HINSTANCE hInst; // Instance handle for this app
CHILDINFO FAR * ci; // Child info
int id; // Dialog id to indicate function
LPSTR szDlgTitle; // Title for the dialog
UINT mask; // Dialog control mask
// For SQLStatistics
UWORD fUnique;
UWORD fAccuracy;
// For SQLSpecialColumns
UWORD fColType;
UWORD fScope;
UWORD fNullable;
} CATALOGINFO;

//
// A prototype for radio button controls
//
typedef struct tagIDXINFO {
int idxVal;
int fType;
} IDXINFO;

//
// For SQLStatistics, fUnqiue parameter
//
struct {
int idxVal; // Dialog item number
int fType; // SQL constant equivalent
} StatsfUnique[] = {
// idxVal fType
// -------------------------- ---------------------------------
IDX_INDEX_UNIQUE, SQL_INDEX_UNIQUE,
IDX_INDEX_ALL, SQL_INDEX_ALL,
};

//
// For SQLStatistics, fAccuracy parameter
//
struct {
int idxVal; // Dialog item number
int fType; // SQL constant equivalent
} StatsfAccuracy[] = {
// idxVal fType
// -------------------------- ---------------------------------
IDX_ENSURE, SQL_ENSURE,
IDX_QUICK, SQL_QUICK,
};

//
// For SQLSpecialColumns, fColType parameter
//
struct {
int idxVal; // Dialog item number
int fType; // SQL constant equivalent
} SpecColsfColType[] = {
// idxVal fType
// -------------------------- ---------------------------------
IDX_BEST_ROWID, SQL_BEST_ROWID,
IDX_ROWVER, SQL_ROWVER,
};

//
// For SQLSpecialColumns, fNullable parameter
//
struct {
int idxVal; // Dialog item number
int fType; // SQL constant equivalent
} SpecColsfNullable[] = {
// idxVal fType
// -------------------------- ---------------------------------
IDX_NO_NULLS, SQL_NO_NULLS,
IDX_NULLABLE, SQL_NULLABLE,
};

//
// For SQLSpecialColumns, fScope parameter
//
struct {
int idxVal; // Dialog item number
int fType; // SQL constant equivalent
} SpecColsfScope[] = {
// idxVal fType
// -------------------------- ---------------------------------
IDX_SCOPE_CURROW, SQL_SCOPE_CURROW,
IDX_SCOPE_TRANSACTION, SQL_SCOPE_TRANSACTION,
IDX_SCOPE_SESSION, SQL_SCOPE_SESSION,
};




//*---------------------------------------------------------------------------------
//| GetRadioValue:
//| This function will examine a group of radio buttons based on the control
//| structure and see which is checked. When found, that value is returned.
//| Parms:
//| hDlg Window handle of dialog with control
//| stct Radio control structure
//| cbNum How many items in control structure
//| Returns:
//| The value for the item checked
//*---------------------------------------------------------------------------------
int GetRadioValue(HWND hDlg, IDXINFO FAR * stct, int cbNum)
{
int dex;
for(dex=0; dex<cbNum; dex++)
if(IsDlgButtonChecked(hDlg, stct[dex].idxVal))
return(stct[dex].fType);
return 0;
}


//*---------------------------------------------------------------------------------
//| ShowCatalogResults:
//| This function will display the results set returned by a catalog
//| function.
//| Parms:
//| in ci CHILDINFO information
//| in szTitle Title for the results set
//| Returns:
//| Nothing.
//*---------------------------------------------------------------------------------
BOOL ShowCatalogResults(CHILDINFO FAR * ci, LPSTR szTitle)
{
RESULTSSET FAR * rs;
int cbCols;

if(!(cbCols = GetNumResultsCols(ci->hstmt)))
return TRUE;
if(cbCols == 0) {
szWrite(ci->hwndOut, GetidsString(idsNoDataFound, OutStr, sizeof(OutStr)));
return TRUE;
}
rs = GetConnectWindowResultsNode(ci);
if(!CreateResultsSet(rs, ci->hwndClient, ci->hInst,
cbCols, szTitle))
return TRUE;
SetMetaDataFromSql(ci->hwndOut, ci->hstmt, rs, cbCols);
if(!CreateResultsWindow(ci, rs))
return TRUE;
FetchAllRecordsToResults(ci->hwndOut, ci->hstmt, rs, cbCols, TRUE);
SQLFreeStmt(ci->hstmt, SQL_CLOSE);

return FALSE;
}


//*---------------------------------------------------------------------------------
//| DoList:
//| This function will display a selection dialog for the catalog functions
//| then process the request.
//| Parms:
//| in ci CHILDINFO information
//| in idMenuSelection Menu value
//| Returns:
//| Nothing.
//*---------------------------------------------------------------------------------
void DoList(CHILDINFO FAR * ci, int idMenuSelection)
{
static BOOL fInit; // Have we called before
CATALOGINFO cati;
CATALOGINFO FAR * lpcati=&cati;
int dex;
HWND fHwnd=GetFocus();

// Clean up all buffers on first catalog function
if(!fInit) {
for(dex=0; dex<NumItems(CatalogVals); dex++)
memset(CatalogVals[dex].szStr, 0, CatalogVals[dex].cbMax);
fInit = TRUE;
}

// Find the dialog
for(dex=0; dex<NumItems(Dialogs) &&
Dialogs[dex].idMenu != idMenuSelection; dex++);

// Collect information for the dialog proc
cati.hInst = ci->hInst;
cati.id = idMenuSelection;
cati.ci = ci;
cati.szDlgTitle = Dialogs[dex].szDlgTitle;
cati.mask = Dialogs[dex].mask;

// Display the dialog
if(-1 == DialogBoxParam(cati.hInst,
MAKEINTRESOURCE(Dialogs[dex].iDialogName),
ci->hwnd,
(DLGPROC) CatalogWndProc, (LPARAM)(CATALOGINFO FAR *)lpcati))
MessageBox(NULL, "Could not open dialog box.",
"DoList", MB_ICONEXCLAMATION);

if(fHwnd)
SetFocus(fHwnd);
}



//*---------------------------------------------------------------------------------
//| DoCatalogFunction:
//| The caller should have prepared all the information we need, so we will
//| simply invoke the function they want to run.
//|
//| Parms:
//| cati CATALOGINFO
//| Returns:
//| Nothing
//*---------------------------------------------------------------------------------
void DoCatalogFunction(CATALOGINFO FAR * cati)
{
char szTitle[MAXBUFF];
RETCODE retcode;
CHILDINFO FAR * ci=cati->ci;

SQLFreeStmt(ci->hstmt, SQL_CLOSE);

switch(cati->id) {
case IDM_TABLES:
if (!*szTableVal &&
((!*szOwnerVal && strcmp(szQualifierVal, "%") == 0)||
(!*szQualifierVal && strcmp(szOwnerVal, "%") == 0)))
retcode = SQLTables(ci->hstmt,
szQualifierVal, SQL_NTS,
szOwnerVal, SQL_NTS,
szTableVal, SQL_NTS,
szTypeVal, SQL_NTS);
else
retcode = SQLTables(ci->hstmt,
CHKNULL(szQualifierVal), SQL_NTS,
CHKNULL(szOwnerVal), SQL_NTS,
CHKNULL(szTableVal), SQL_NTS,
CHKNULL(szTypeVal), SQL_NTS);
break;

case IDM_COLUMNS:
retcode = SQLColumns(ci->hstmt,
CHKNULL(szQualifierVal), SQL_NTS,
CHKNULL(szOwnerVal), SQL_NTS,
CHKNULL(szTableVal), SQL_NTS,
CHKNULL(szColumnVal), SQL_NTS);
break;

case IDM_STATISTICS:
retcode = SQLStatistics(ci->hstmt,
CHKNULL(szQualifierVal), SQL_NTS,
CHKNULL(szOwnerVal), SQL_NTS,
CHKNULL(szTableVal), SQL_NTS,
cati->fUnique,
cati->fAccuracy);
break;

case IDM_PRIMARY_KEYS:
retcode = SQLPrimaryKeys(ci->hstmt,
CHKNULL(szQualifierVal), SQL_NTS,
CHKNULL(szOwnerVal), SQL_NTS,
CHKNULL(szTableVal), SQL_NTS);
break;

case IDM_FOREIGN_KEYS:
retcode = SQLForeignKeys(ci->hstmt,
CHKNULL(szQualifierVal), SQL_NTS,
CHKNULL(szOwnerVal), SQL_NTS,
CHKNULL(szTableVal), SQL_NTS,
CHKNULL(szQualifierVal2), SQL_NTS,
CHKNULL(szOwnerVal2), SQL_NTS,
CHKNULL(szTableVal2), SQL_NTS);
break;

case IDM_TABLE_PRIVS:
retcode = SQLTablePrivileges(ci->hstmt,
CHKNULL(szQualifierVal), SQL_NTS,
CHKNULL(szOwnerVal), SQL_NTS,
CHKNULL(szTableVal), SQL_NTS);
break;

case IDM_COLUMN_PRIVS:
retcode = SQLColumnPrivileges(ci->hstmt,
CHKNULL(szQualifierVal), SQL_NTS,
CHKNULL(szOwnerVal), SQL_NTS,
CHKNULL(szTableVal), SQL_NTS,
CHKNULL(szColumnVal), SQL_NTS);
break;

case IDM_SPECIAL_COLUMNS:
retcode = SQLSpecialColumns(ci->hstmt,
cati->fColType,
CHKNULL(szQualifierVal), SQL_NTS,
CHKNULL(szOwnerVal), SQL_NTS,
CHKNULL(szTableVal), SQL_NTS,
cati->fScope,
cati->fNullable);
break;

case IDM_PROCEDURES:
retcode = SQLProcedures(ci->hstmt,
CHKNULL(szQualifierVal), SQL_NTS,
CHKNULL(szOwnerVal), SQL_NTS,
CHKNULL(szProcsVal), SQL_NTS);
break;

case IDM_PROC_COLUMNS:
retcode = SQLProcedureColumns(ci->hstmt,
CHKNULL(szQualifierVal), SQL_NTS,
CHKNULL(szOwnerVal), SQL_NTS,
CHKNULL(szProcsVal), SQL_NTS,
CHKNULL(szColumnVal), SQL_NTS);
break;

default:
break;
}

if(retcode != SQL_SUCCESS) {
PrintErrors(ci, SQL_HANDLE_STMT);
return;
}

lstrcpy((LPSTR)szTitle, (LPSTR)ci->szClientTitle);
lstrcat((LPSTR)szTitle, (LPSTR)szCOLON);
lstrcat((LPSTR)szTitle, (LPSTR)cati->szDlgTitle);
if(ShowCatalogResults(ci, (LPSTR)szTitle))
return;
}


//*------------------------------------------------------------------------
//| CatalogWndProc:
//| This windows procedure handles all of the catalog function messages.
//| Many things such as setting/getting text values are table driven.
//| This reduces overall code size significantly.
//| Parms:
//| in Standard window parms
//| Returns:
//| Depends on message
//*------------------------------------------------------------------------
BOOL EXTFUN CatalogWndProc(HWND hDlg, unsigned msg, WPARAM wParam, LPARAM lParam)
{
static CATALOGINFO FAR * cati;
int dex;

switch(msg) {
case WM_INITDIALOG:
cati = (CATALOGINFO FAR *)lParam;
CenterDialog(hDlg);

// Set all default values for edit controls
for(dex=0; dex<NumItems(CatalogVals); dex++)
if(cati->mask & CatalogVals[dex].mMask) {
SetWindowText(GetDlgItem(hDlg, CatalogVals[dex].id),
CatalogVals[dex].szStr);
SendMessage(GetDlgItem(hDlg, CatalogVals[dex].id), EM_LIMITTEXT,
CatalogVals[dex].cbMax, 0L);
}
// Special case for dialogs with options
if(cati->id == IDM_STATISTICS) {
CheckRadioButton(hDlg, IDX_INDEX_UNIQUE, IDX_INDEX_ALL, IDX_INDEX_UNIQUE);
CheckRadioButton(hDlg, IDX_ENSURE, IDX_QUICK, IDX_ENSURE);
}
else if(cati->id == IDM_SPECIAL_COLUMNS) {
CheckRadioButton(hDlg, IDX_BEST_ROWID, IDX_ROWVER, IDX_BEST_ROWID);
CheckRadioButton(hDlg, IDX_NO_NULLS, IDX_NULLABLE, IDX_NO_NULLS);
CheckRadioButton(hDlg, IDX_SCOPE_CURROW, IDX_SCOPE_SESSION, IDX_SCOPE_CURROW);
}

return TRUE;


case WM_COMMAND:
switch(GET_WM_COMMAND_ID(wParam, lParam)) {
case IDOK:
{
Busy(TRUE);
for(dex=0; dex<NumItems(CatalogVals); dex++)
if(cati->mask & CatalogVals[dex].mMask)
GetText(GetDlgItem(hDlg, CatalogVals[dex].id),
CatalogVals[dex].szStr);
// Special case for dialogs with options
if(cati->id == IDM_STATISTICS) {
cati->fUnique = GetRadioValue(hDlg, (IDXINFO FAR *)StatsfUnique, NumItems(StatsfUnique));
cati->fAccuracy = GetRadioValue(hDlg, (IDXINFO FAR *)StatsfAccuracy, NumItems(StatsfAccuracy));
}
else if(cati->id == IDM_SPECIAL_COLUMNS) {
cati->fColType = GetRadioValue(hDlg, (IDXINFO FAR *)SpecColsfColType,
NumItems(SpecColsfColType));
cati->fScope = GetRadioValue(hDlg, (IDXINFO FAR *)SpecColsfScope,
NumItems(SpecColsfScope));
cati->fNullable = GetRadioValue(hDlg, (IDXINFO FAR *)SpecColsfNullable,
NumItems(SpecColsfNullable));
}
DoCatalogFunction(cati);

Busy(FALSE);
EndDialog(hDlg, IDOK);
}
return TRUE;

case IDCANCEL:
SendMessage(hDlg, WM_CLOSE, 0, 0L);
EndDialog(hDlg, IDCANCEL);
return TRUE;
}
return TRUE;

default:
return FALSE;
}
return FALSE;
}