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Subqueries for MySQL are now not performed, as MySQL does not support subqueries

Browse Source 
Compile time warnings with GCC eliminated.

Call to wxDbCloseConnections() was missing from the frame ::OnCloseWindow() function, so that the connections to the database were not properly CLOSEd, they were only marked as FREE in the DB connection cache.

Several crash/segfault problems have been corrected

New functions added under the FILE menu for RECREATE TABLE and RECREATE INDEXES


git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/branches/WX_2_2_BRANCH@7911 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
This commit is contained in:
George Tasker
2000-08-01 18:47:04 +00:00
parent 30ebe8b325
commit 80ccc1282c
2 changed files with 282 additions and 180 deletions
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448
samples/db/dbtest.cpp
View File

@@ -91,9 +91,10 @@ wxDb *READONLY_DB;
* NOTE: The value returned by this function is for temporary use only and
* should be copied for long term use
*/
char *GetExtendedDBErrorMsg(char *ErrFile, int ErrLine)
const char *GetExtendedDBErrorMsg(char *ErrFile, int ErrLine)
{
static wxString msg;
msg = "";
wxString tStr;
@@ -127,12 +128,15 @@ char *GetExtendedDBErrorMsg(char *ErrFile, int ErrLine)
msg.Append(pDbList->PtrDb->errorList[i]);
if (wxStrcmp(pDbList->PtrDb->errorList[i],"") != 0)
msg.Append("\n");
// Clear the errmsg buffer so the next error will not
// end up showing the previous error that have occurred
wxStrcpy(pDbList->PtrDb->errorList[i],"");
}
}
}
msg += "\n";
return (char*) (const char*) msg;
return /*(char*) (const char*) msg*/msg.c_str();
} // GetExtendedDBErrorMsg
@@ -146,7 +150,9 @@ bool DatabaseDemoApp::OnInit()
// Make a menubar
wxMenu *file_menu = new wxMenu;
file_menu->Append(FILE_CREATE, "&Create contact table");
file_menu->Append(FILE_CREATE, "&Create CONTACT table");
file_menu->Append(FILE_RECREATE_TABLE, "&Recreate CONTACT table");
file_menu->Append(FILE_RECREATE_INDEXES, "&Recreate CONTACT indexes");
file_menu->Append(FILE_EXIT, "E&xit");
wxMenu *edit_menu = new wxMenu;
@@ -173,6 +179,9 @@ bool DatabaseDemoApp::OnInit()
params.Password[0] = 0;
params.DirPath[0] = 0;
// Show the frame
DemoFrame->Show(TRUE);
FILE *paramFile;
if ((paramFile = fopen(paramFilename, "r")) == NULL)
{
@@ -225,13 +234,16 @@ bool DatabaseDemoApp::OnInit()
DemoFrame->BuildEditorDialog();
// Show the frame
DemoFrame->Show(TRUE);
DemoFrame->Refresh();
// DemoFrame->Show(TRUE);
return TRUE;
} // DatabaseDemoApp::OnInit()
BEGIN_EVENT_TABLE(DatabaseDemoFrame, wxFrame)
EVT_MENU(FILE_CREATE, DatabaseDemoFrame::OnCreate)
EVT_MENU(FILE_RECREATE_TABLE, DatabaseDemoFrame::OnRecreateTable)
EVT_MENU(FILE_RECREATE_INDEXES, DatabaseDemoFrame::OnRecreateIndexes)
EVT_MENU(FILE_EXIT, DatabaseDemoFrame::OnExit)
EVT_MENU(EDIT_PARAMETERS, DatabaseDemoFrame::OnEditParameters)
EVT_MENU(ABOUT_DEMO, DatabaseDemoFrame::OnAbout)
@@ -244,11 +256,44 @@ DatabaseDemoFrame::DatabaseDemoFrame(wxFrame *frame, const wxString& title,
wxFrame(frame, -1, title, pos, size)
{
// Put any code in necessary for initializing the main frame here
pEditorDlg = NULL;
pParamDlg = NULL;
}
void DatabaseDemoFrame::OnCreate(wxCommandEvent& event)
{
CreateDataTable();
CreateDataTable(FALSE);
}
void DatabaseDemoFrame::OnRecreateTable(wxCommandEvent& event)
{
CreateDataTable(TRUE);
}
void DatabaseDemoFrame::OnRecreateIndexes(wxCommandEvent& event)
{
// Using a new connection to the database so as not to disturb
// the current cursors on the table in use in the editor dialog
Ccontact *Contact = new Ccontact();
if (!Contact)
{
wxEndBusyCursor();
wxMessageBox("Error allocating memory for 'Ccontact'object.\n\nTable could not be opened.","Error...",wxOK | wxICON_EXCLAMATION);
return;
}
if (!Contact->CreateIndexes())
{
wxEndBusyCursor();
wxString tStr;
tStr = "Error creating CONTACTS indexes.\nNew indexes will be unavailable.\n\n";
tStr += GetExtendedDBErrorMsg(__FILE__,__LINE__);
wxMessageBox(tStr,"ODBC Error...",wxOK | wxICON_EXCLAMATION);
}
delete Contact;
Contact = NULL;
}
void DatabaseDemoFrame::OnExit(wxCommandEvent& event)
@@ -275,14 +320,21 @@ void DatabaseDemoFrame::OnCloseWindow(wxCloseEvent& event)
// to close the program here that is not done elsewhere
// Clean up time
if (pEditorDlg->Close())
if (pEditorDlg && pEditorDlg->Close())
pEditorDlg = NULL;
else
{
event.Veto();
return;
if (pEditorDlg)
{
event.Veto();
return;
}
}
// This function will close all the connections to the database that have been
// previously cached.
wxDbCloseConnections();
// Cleans up the environment space allocated for the SQL/ODBC connection handle
SQLFreeEnv(DbConnectInf.Henv);
@@ -291,9 +343,11 @@ void DatabaseDemoFrame::OnCloseWindow(wxCloseEvent& event)
} // DatabaseDemoFrame::OnCloseWindow()
void DatabaseDemoFrame::CreateDataTable()
void DatabaseDemoFrame::CreateDataTable(bool recreate)
{
bool Ok = (wxMessageBox("Any data currently residing in the table will be erased.\n\nAre you sure?","Confirm",wxYES_NO|wxICON_QUESTION) == wxYES);
bool Ok = TRUE;
if (recreate)
Ok = (wxMessageBox("Any data currently residing in the table will be erased.\n\nAre you sure?","Confirm",wxYES_NO|wxICON_QUESTION) == wxYES);
if (!Ok)
return;
@@ -310,7 +364,7 @@ void DatabaseDemoFrame::CreateDataTable()
return;
}
if (!Contact->CreateTable(FALSE))
if (!Contact->CreateTable(recreate))
{
wxEndBusyCursor();
wxString tStr;
@@ -335,6 +389,7 @@ void DatabaseDemoFrame::CreateDataTable()
wxEndBusyCursor();
delete Contact;
Contact = NULL;
if (success)
wxMessageBox("Table and index(es) were successfully created.","Notice...",wxOK | wxICON_INFORMATION);
@@ -343,9 +398,23 @@ void DatabaseDemoFrame::CreateDataTable()
void DatabaseDemoFrame::BuildEditorDialog()
{
pEditorDlg = NULL;
pEditorDlg = new CeditorDlg(this);
if (!pEditorDlg)
if (pEditorDlg)
pEditorDlg->Initialize();
else
{
wxMessageBox("Unable to create the editor dialog for some reason","Error...",wxOK | wxICON_EXCLAMATION);
DemoFrame->Close();
}
if (!pEditorDlg->initialized)
{
pEditorDlg->Close();
pEditorDlg = NULL;
wxMessageBox("Unable to initialize the editor dialog for some reason","Error...",wxOK | wxICON_EXCLAMATION);
DemoFrame->Close(TRUE);
}
} // DatabaseDemoFrame::BuildEditorDialog()
@@ -509,168 +578,18 @@ BEGIN_EVENT_TABLE(CeditorDlg, wxPanel)
EVT_CLOSE(CeditorDlg::OnCloseWindow)
END_EVENT_TABLE()
CeditorDlg::CeditorDlg(wxWindow *parent) : wxPanel (parent, 1, 1, 460, 455)
CeditorDlg::CeditorDlg(wxWindow *parent) : wxPanel (parent, 0, 0, 537, 480)
{
// Since the ::OnCommand() function is overridden, this prevents the widget
// detection in ::OnCommand() until all widgets have been initialized to prevent
// uninitialized pointers from crashing the program
widgetPtrsSet = FALSE;
// Create the data structure and a new database connection.
// (As there is not a pDb being passed in the constructor, a new database
// connection is created)
Contact = new Ccontact();
initialized = FALSE;
if (!Contact)
{
wxMessageBox("Unable to instantiate an instance of Ccontact","Error...",wxOK | wxICON_EXCLAMATION);
return;
}
Contact = NULL;
// Check if the table exists or not. If it doesn't, ask the user if they want to
// create the table. Continue trying to create the table until it exists, or user aborts
while (!Contact->GetDb()->TableExists((char *)CONTACT_TABLE_NAME,DbConnectInf.Uid,DbConnectInf.defaultDir))
{
wxString tStr;
tStr.Printf("Unable to open the table '%s'.\n\nTable may need to be created...?\n\n",CONTACT_TABLE_NAME);
tStr += GetExtendedDBErrorMsg(__FILE__,__LINE__);
wxMessageBox(tStr,"ODBC Error...",wxOK | wxICON_EXCLAMATION);
bool createTable = (wxMessageBox("Do you wish to try to create/clear the CONTACTS table?","Confirm",wxYES_NO|wxICON_QUESTION) == wxYES);
if (!createTable)
{
delete Contact;
Close();
DemoFrame->Close();
return;
}
else
DemoFrame->CreateDataTable();
}
// Tables must be "opened" before anything other than creating/deleting table can be done
if (!Contact->Open())
{
// Table does exist, there was some problem opening it. Currently this should
// never fail, except in the case of the table not exisiting. Open() basically
// only sets up variable/pointer values, other than checking for table existence.
if (Contact->GetDb()->TableExists((char *)CONTACT_TABLE_NAME))
{
wxString tStr;
tStr.Printf("Unable to open the table '%s'.\n\n",CONTACT_TABLE_NAME);
tStr += GetExtendedDBErrorMsg(__FILE__,__LINE__);
wxMessageBox(tStr,"ODBC Error...",wxOK | wxICON_EXCLAMATION);
delete Contact;
Close();
DemoFrame->Close();
return;
}
}
// Build the dialog
(void)new wxStaticBox(this, EDITOR_DIALOG_FN_GROUP, "", wxPoint(15, 1), wxSize(497, 69), 0, "FunctionGrp");
(void)new wxStaticBox(this, EDITOR_DIALOG_SEARCH_GROUP, "", wxPoint(417, 1), wxSize(95, 242), 0, "SearchGrp");
pCreateBtn = new wxButton(this, EDITOR_DIALOG_CREATE, "&Create", wxPoint( 25, 21), wxSize( 70, 35), 0, wxDefaultValidator, "CreateBtn");
pEditBtn = new wxButton(this, EDITOR_DIALOG_EDIT, "&Edit", wxPoint(102, 21), wxSize( 70, 35), 0, wxDefaultValidator, "EditBtn");
pDeleteBtn = new wxButton(this, EDITOR_DIALOG_DELETE, "&Delete", wxPoint(179, 21), wxSize( 70, 35), 0, wxDefaultValidator, "DeleteBtn");
pCopyBtn = new wxButton(this, EDITOR_DIALOG_COPY, "Cop&y", wxPoint(256, 21), wxSize( 70, 35), 0, wxDefaultValidator, "CopyBtn");
pSaveBtn = new wxButton(this, EDITOR_DIALOG_SAVE, "&Save", wxPoint(333, 21), wxSize( 70, 35), 0, wxDefaultValidator, "SaveBtn");
pCancelBtn = new wxButton(this, EDITOR_DIALOG_CANCEL, "C&ancel", wxPoint(430, 21), wxSize( 70, 35), 0, wxDefaultValidator, "CancelBtn");
pPrevBtn = new wxButton(this, EDITOR_DIALOG_PREV, "<< &Prev", wxPoint(430, 81), wxSize( 70, 35), 0, wxDefaultValidator, "PrevBtn");
pNextBtn = new wxButton(this, EDITOR_DIALOG_NEXT, "&Next >>", wxPoint(430, 121), wxSize( 70, 35), 0, wxDefaultValidator, "NextBtn");
pQueryBtn = new wxButton(this, EDITOR_DIALOG_QUERY, "&Query", wxPoint(430, 161), wxSize( 70, 35), 0, wxDefaultValidator, "QueryBtn");
pResetBtn = new wxButton(this, EDITOR_DIALOG_RESET, "&Reset", wxPoint(430, 200), wxSize( 70, 35), 0, wxDefaultValidator, "ResetBtn");
pNameMsg = new wxStaticText(this, EDITOR_DIALOG_NAME_MSG, "Name:", wxPoint( 17, 80), wxSize( -1, -1), 0, "NameMsg");
pNameTxt = new wxTextCtrl(this, EDITOR_DIALOG_NAME_TEXT, "", wxPoint( 17, 97), wxSize(308, 25), 0, wxDefaultValidator, "NameTxt");
pNameListBtn = new wxButton(this, EDITOR_DIALOG_LOOKUP, "&Lookup", wxPoint(333, 97), wxSize( 70, 24), 0, wxDefaultValidator, "LookupBtn");
pAddress1Msg = new wxStaticText(this, EDITOR_DIALOG_ADDRESS1_MSG, "Address:", wxPoint( 17, 130), wxSize( -1, -1), 0, "Address1Msg");
pAddress1Txt = new wxTextCtrl(this, EDITOR_DIALOG_ADDRESS2_TEXT, "", wxPoint( 17, 147), wxSize(308, 25), 0, wxDefaultValidator, "Address1Txt");
pAddress2Msg = new wxStaticText(this, EDITOR_DIALOG_ADDRESS2_MSG, "Address:", wxPoint( 17, 180), wxSize( -1, -1), 0, "Address2Msg");
pAddress2Txt = new wxTextCtrl(this, EDITOR_DIALOG_ADDRESS2_TEXT, "", wxPoint( 17, 197), wxSize(308, 25), 0, wxDefaultValidator, "Address2Txt");
pCityMsg = new wxStaticText(this, EDITOR_DIALOG_CITY_MSG, "City:", wxPoint( 17, 230), wxSize( -1, -1), 0, "CityMsg");
pCityTxt = new wxTextCtrl(this, EDITOR_DIALOG_CITY_TEXT, "", wxPoint( 17, 247), wxSize(225, 25), 0, wxDefaultValidator, "CityTxt");
pStateMsg = new wxStaticText(this, EDITOR_DIALOG_STATE_MSG, "State:", wxPoint(250, 230), wxSize( -1, -1), 0, "StateMsg");
pStateTxt = new wxTextCtrl(this, EDITOR_DIALOG_STATE_TEXT, "", wxPoint(250, 247), wxSize(153, 25), 0, wxDefaultValidator, "StateTxt");
pCountryMsg = new wxStaticText(this, EDITOR_DIALOG_COUNTRY_MSG, "Country:", wxPoint( 17, 280), wxSize( -1, -1), 0, "CountryMsg");
pCountryTxt = new wxTextCtrl(this, EDITOR_DIALOG_COUNTRY_TEXT, "", wxPoint( 17, 297), wxSize(225, 25), 0, wxDefaultValidator, "CountryTxt");
pPostalCodeMsg = new wxStaticText(this, EDITOR_DIALOG_POSTAL_MSG, "Postal Code:",wxPoint(250, 280), wxSize( -1, -1), 0, "PostalCodeMsg");
pPostalCodeTxt = new wxTextCtrl(this, EDITOR_DIALOG_POSTAL_TEXT, "", wxPoint(250, 297), wxSize(153, 25), 0, wxDefaultValidator, "PostalCodeTxt");
wxString choice_strings[5];
choice_strings[0] = "English";
choice_strings[1] = "French";
choice_strings[2] = "German";
choice_strings[3] = "Spanish";
choice_strings[4] = "Other";
pNativeLangChoice = new wxChoice(this, EDITOR_DIALOG_LANG_CHOICE, wxPoint( 17, 346), wxSize(277, -1), 5, choice_strings);
pNativeLangMsg = new wxStaticText(this, EDITOR_DIALOG_LANG_MSG, "Native language:", wxPoint( 17, 330), wxSize( -1, -1), 0, "NativeLangMsg");
wxString radio_strings[2];
radio_strings[0] = "No";
radio_strings[1] = "Yes";
pDeveloperRadio = new wxRadioBox(this,EDITOR_DIALOG_DEVELOPER, "Developer:", wxPoint(303, 330), wxSize( -1, -1), 2, radio_strings, 2, wxHORIZONTAL);
pJoinDateMsg = new wxStaticText(this, EDITOR_DIALOG_JOIN_MSG, "Date joined:", wxPoint( 17, 380), wxSize( -1, -1), 0, "JoinDateMsg");
pJoinDateTxt = new wxTextCtrl(this, EDITOR_DIALOG_JOIN_TEXT, "", wxPoint( 17, 397), wxSize(150, 25), 0, wxDefaultValidator, "JoinDateTxt");
pContribMsg = new wxStaticText(this, EDITOR_DIALOG_CONTRIB_MSG,"Contributions:", wxPoint(175, 380), wxSize( -1, -1), 0, "ContribMsg");
pContribTxt = new wxTextCtrl(this, EDITOR_DIALOG_CONTRIB_TEXT, "", wxPoint(175, 397), wxSize(120, 25), 0, wxDefaultValidator, "ContribTxt");
pLinesMsg = new wxStaticText(this, EDITOR_DIALOG_LINES_MSG, "Lines of code:", wxPoint(303, 380), wxSize( -1, -1), 0, "LinesMsg");
pLinesTxt = new wxTextCtrl(this, EDITOR_DIALOG_LINES_TEXT, "", wxPoint(303, 397), wxSize(100, 25), 0, wxDefaultValidator, "LinesTxt");
// Now that all the widgets on the panel are created, its safe to allow ::OnCommand() to
// handle all widget processing
widgetPtrsSet = TRUE;
// Setup the orderBy and where clauses to return back a single record as the result set,
// as there will only be one record being shown on the dialog at a time, this optimizes
// network traffic by only returning a one row result
Contact->SetOrderByClause("NAME"); // field name to sort by
// The wxString "whereStr" is not a member of the wxDbTable object, it is a member variable
// specifically in the Ccontact class. It is used here for simpler construction of a varying
// length string, and then after the string is built, the wxDbTable member variable "where" is
// assigned the pointer to the constructed string.
//
// The constructed where clause below has a sub-query within it "SELECT MIN(NAME) FROM %s"
// to achieve a single row (in this case the first name in alphabetical order).
if (Contact->GetDb()->Dbms() != dbmsPOSTGRES)
{
Contact->whereStr.sprintf("NAME = (SELECT MIN(NAME) FROM %s)",Contact->GetTableName());
// NOTE: (const char*) returns a pointer which may not be valid later, so this is short term use only
Contact->SetWhereClause(Contact->whereStr.c_str());
}
else
Contact->SetWhereClause("");
// Perform the Query to get the result set.
// NOTE: If there are no rows returned, that is a valid result, so Query() would return TRUE.
// Only if there is a database error will Query() come back as FALSE
if (!Contact->Query())
{
wxString tStr;
tStr = "ODBC error during Query()\n\n";
tStr += GetExtendedDBErrorMsg(__FILE__,__LINE__);
wxMessageBox(tStr,"ODBC Error...",wxOK | wxICON_EXCLAMATION);
GetParent()->Close();
return;
}
// Since Query succeeded, now get the row that was returned
if (!Contact->GetNext())
// If the GetNext() failed at this point, then there are no rows to retrieve,
// so clear the values in the members of "Contact" so that PutData() blanks the
// widgets on the dialog
Contact->Initialize();
SetMode(mView);
PutData();
Show(TRUE);
Show(FALSE);
} // CeditorDlg constructor
@@ -680,7 +599,10 @@ void CeditorDlg::OnCloseWindow(wxCloseEvent& event)
if ((mode != mCreate) && (mode != mEdit))
{
if (Contact)
{
delete Contact;
Contact = NULL;
}
this->Destroy();
}
else
@@ -805,7 +727,7 @@ void CeditorDlg::OnCommand(wxWindow& win, wxCommandEvent& event)
}
// Previous record not available, retrieve first record in table
if (Contact->GetDb()->Dbms() != dbmsPOSTGRES)
if (Contact->GetDb()->Dbms() != dbmsPOSTGRES && Contact->GetDb()->Dbms() != dbmsMY_SQL)
{
Contact->whereStr = "NAME = (SELECT MIN(NAME) FROM ";
Contact->whereStr += Contact->GetTableName();
@@ -867,7 +789,7 @@ void CeditorDlg::OnCommand(wxWindow& win, wxCommandEvent& event)
Contact->whereStr = "";
Contact->SetOrderByClause("NAME");
if (Contact->GetDb()->Dbms() != dbmsPOSTGRES)
if (Contact->GetDb()->Dbms() != dbmsPOSTGRES && Contact->GetDb()->Dbms() != dbmsMY_SQL)
{
Contact->whereStr = "NAME = (SELECT MIN(NAME) FROM ";
Contact->whereStr += CONTACT_TABLE_NAME;
@@ -911,7 +833,7 @@ void CeditorDlg::OnCommand(wxWindow& win, wxCommandEvent& event)
Contact->qryWhereStr = "";
Contact->SetOrderByClause("NAME");
if (Contact->GetDb()->Dbms() != dbmsPOSTGRES)
if (Contact->GetDb()->Dbms() != dbmsPOSTGRES && Contact->GetDb()->Dbms() != dbmsMY_SQL)
{
Contact->whereStr = "NAME = (SELECT MIN(NAME) FROM ";
Contact->whereStr += CONTACT_TABLE_NAME;
@@ -961,6 +883,180 @@ void CeditorDlg::OnCommand(wxWindow& win, wxCommandEvent& event)
} // CeditorDlg::OnCommand()
bool CeditorDlg::Initialize()
{
// Create the data structure and a new database connection.
// (As there is not a pDb being passed in the constructor, a new database
// connection is created)
Contact = new Ccontact();
if (!Contact)
{
wxMessageBox("Unable to instantiate an instance of Ccontact","Error...",wxOK | wxICON_EXCLAMATION);
return FALSE;
}
// Check if the table exists or not. If it doesn't, ask the user if they want to
// create the table. Continue trying to create the table until it exists, or user aborts
while (!Contact->GetDb()->TableExists((char *)CONTACT_TABLE_NAME,DbConnectInf.Uid,DbConnectInf.defaultDir))
{
wxString tStr;
tStr.Printf("Unable to open the table '%s'.\n\nTable may need to be created...?\n\n",CONTACT_TABLE_NAME);
tStr += GetExtendedDBErrorMsg(__FILE__,__LINE__);
wxMessageBox(tStr,"ODBC Error...",wxOK | wxICON_EXCLAMATION);
bool createTable = (wxMessageBox("Do you wish to try to create/clear the CONTACTS table?","Confirm",wxYES_NO|wxICON_QUESTION) == wxYES);
if (!createTable)
{
// Close();
return FALSE;
}
else
DemoFrame->CreateDataTable(TRUE);
}
// Tables must be "opened" before anything other than creating/deleting table can be done
if (!Contact->Open())
{
// Table does exist, or there was some problem opening it. Currently this should
// never fail, except in the case of the table not exisiting or the current
// user has insufficent privileges to access the table
#if 0
// This code is experimenting with a new function that will hopefully be available
// in the 2.4 release. This check will determine whether the open failing was due
// to the table not existing, or the users privileges being insufficient to
// open the table.
if (!Contact->GetDb()->TablePrivileges(CONTACT_TABLE_NAME,"SELECT",Contact->GetDb()->GetUsername(),DbConnectInf.defaultDir))
{
wxString tStr;
tStr.Printf("Unable to open the table '%s'.\n\n",CONTACT_TABLE_NAME);
tStr += GetExtendedDBErrorMsg(__FILE__,__LINE__);
wxMessageBox(tStr,"ODBC Error...",wxOK | wxICON_EXCLAMATION);
}
else
#endif
if (Contact->GetDb()->TableExists(CONTACT_TABLE_NAME,Contact->GetDb()->GetUsername(),DbConnectInf.defaultDir))
{
wxString tStr;
tStr.Printf("Unable to open the table '%s'.\n\n",CONTACT_TABLE_NAME);
tStr += GetExtendedDBErrorMsg(__FILE__,__LINE__);
wxMessageBox(tStr,"ODBC Error...",wxOK | wxICON_EXCLAMATION);
}
return FALSE;
}
// Build the dialog
(void)new wxStaticBox(this, EDITOR_DIALOG_FN_GROUP, "", wxPoint(15, 1), wxSize(497, 69), 0, "FunctionGrp");
(void)new wxStaticBox(this, EDITOR_DIALOG_SEARCH_GROUP, "", wxPoint(417, 1), wxSize(95, 242), 0, "SearchGrp");
pCreateBtn = new wxButton(this, EDITOR_DIALOG_CREATE, "&Create", wxPoint( 25, 21), wxSize( 70, 35), 0, wxDefaultValidator, "CreateBtn");
pEditBtn = new wxButton(this, EDITOR_DIALOG_EDIT, "&Edit", wxPoint(102, 21), wxSize( 70, 35), 0, wxDefaultValidator, "EditBtn");
pDeleteBtn = new wxButton(this, EDITOR_DIALOG_DELETE, "&Delete", wxPoint(179, 21), wxSize( 70, 35), 0, wxDefaultValidator, "DeleteBtn");
pCopyBtn = new wxButton(this, EDITOR_DIALOG_COPY, "Cop&y", wxPoint(256, 21), wxSize( 70, 35), 0, wxDefaultValidator, "CopyBtn");
pSaveBtn = new wxButton(this, EDITOR_DIALOG_SAVE, "&Save", wxPoint(333, 21), wxSize( 70, 35), 0, wxDefaultValidator, "SaveBtn");
pCancelBtn = new wxButton(this, EDITOR_DIALOG_CANCEL, "C&ancel", wxPoint(430, 21), wxSize( 70, 35), 0, wxDefaultValidator, "CancelBtn");
pPrevBtn = new wxButton(this, EDITOR_DIALOG_PREV, "<< &Prev", wxPoint(430, 81), wxSize( 70, 35), 0, wxDefaultValidator, "PrevBtn");
pNextBtn = new wxButton(this, EDITOR_DIALOG_NEXT, "&Next >>", wxPoint(430, 121), wxSize( 70, 35), 0, wxDefaultValidator, "NextBtn");
pQueryBtn = new wxButton(this, EDITOR_DIALOG_QUERY, "&Query", wxPoint(430, 161), wxSize( 70, 35), 0, wxDefaultValidator, "QueryBtn");
pResetBtn = new wxButton(this, EDITOR_DIALOG_RESET, "&Reset", wxPoint(430, 200), wxSize( 70, 35), 0, wxDefaultValidator, "ResetBtn");
pNameMsg = new wxStaticText(this, EDITOR_DIALOG_NAME_MSG, "Name:", wxPoint( 17, 80), wxSize( -1, -1), 0, "NameMsg");
pNameTxt = new wxTextCtrl(this, EDITOR_DIALOG_NAME_TEXT, "", wxPoint( 17, 97), wxSize(308, 25), 0, wxDefaultValidator, "NameTxt");
pNameListBtn = new wxButton(this, EDITOR_DIALOG_LOOKUP, "&Lookup", wxPoint(333, 97), wxSize( 70, 24), 0, wxDefaultValidator, "LookupBtn");
pAddress1Msg = new wxStaticText(this, EDITOR_DIALOG_ADDRESS1_MSG, "Address:", wxPoint( 17, 130), wxSize( -1, -1), 0, "Address1Msg");
pAddress1Txt = new wxTextCtrl(this, EDITOR_DIALOG_ADDRESS2_TEXT, "", wxPoint( 17, 147), wxSize(308, 25), 0, wxDefaultValidator, "Address1Txt");
pAddress2Msg = new wxStaticText(this, EDITOR_DIALOG_ADDRESS2_MSG, "Address:", wxPoint( 17, 180), wxSize( -1, -1), 0, "Address2Msg");
pAddress2Txt = new wxTextCtrl(this, EDITOR_DIALOG_ADDRESS2_TEXT, "", wxPoint( 17, 197), wxSize(308, 25), 0, wxDefaultValidator, "Address2Txt");
pCityMsg = new wxStaticText(this, EDITOR_DIALOG_CITY_MSG, "City:", wxPoint( 17, 230), wxSize( -1, -1), 0, "CityMsg");
pCityTxt = new wxTextCtrl(this, EDITOR_DIALOG_CITY_TEXT, "", wxPoint( 17, 247), wxSize(225, 25), 0, wxDefaultValidator, "CityTxt");
pStateMsg = new wxStaticText(this, EDITOR_DIALOG_STATE_MSG, "State:", wxPoint(250, 230), wxSize( -1, -1), 0, "StateMsg");
pStateTxt = new wxTextCtrl(this, EDITOR_DIALOG_STATE_TEXT, "", wxPoint(250, 247), wxSize(153, 25), 0, wxDefaultValidator, "StateTxt");
pCountryMsg = new wxStaticText(this, EDITOR_DIALOG_COUNTRY_MSG, "Country:", wxPoint( 17, 280), wxSize( -1, -1), 0, "CountryMsg");
pCountryTxt = new wxTextCtrl(this, EDITOR_DIALOG_COUNTRY_TEXT, "", wxPoint( 17, 297), wxSize(225, 25), 0, wxDefaultValidator, "CountryTxt");
pPostalCodeMsg = new wxStaticText(this, EDITOR_DIALOG_POSTAL_MSG, "Postal Code:",wxPoint(250, 280), wxSize( -1, -1), 0, "PostalCodeMsg");
pPostalCodeTxt = new wxTextCtrl(this, EDITOR_DIALOG_POSTAL_TEXT, "", wxPoint(250, 297), wxSize(153, 25), 0, wxDefaultValidator, "PostalCodeTxt");
wxString choice_strings[5];
choice_strings[0] = "English";
choice_strings[1] = "French";
choice_strings[2] = "German";
choice_strings[3] = "Spanish";
choice_strings[4] = "Other";
pNativeLangChoice = new wxChoice(this, EDITOR_DIALOG_LANG_CHOICE, wxPoint( 17, 346), wxSize(277, -1), 5, choice_strings);
pNativeLangMsg = new wxStaticText(this, EDITOR_DIALOG_LANG_MSG, "Native language:", wxPoint( 17, 330), wxSize( -1, -1), 0, "NativeLangMsg");
wxString radio_strings[2];
radio_strings[0] = "No";
radio_strings[1] = "Yes";
pDeveloperRadio = new wxRadioBox(this,EDITOR_DIALOG_DEVELOPER, "Developer:", wxPoint(303, 330), wxSize( -1, -1), 2, radio_strings, 2, wxHORIZONTAL);
pJoinDateMsg = new wxStaticText(this, EDITOR_DIALOG_JOIN_MSG, "Date joined:", wxPoint( 17, 380), wxSize( -1, -1), 0, "JoinDateMsg");
pJoinDateTxt = new wxTextCtrl(this, EDITOR_DIALOG_JOIN_TEXT, "", wxPoint( 17, 397), wxSize(150, 25), 0, wxDefaultValidator, "JoinDateTxt");
pContribMsg = new wxStaticText(this, EDITOR_DIALOG_CONTRIB_MSG,"Contributions:", wxPoint(175, 380), wxSize( -1, -1), 0, "ContribMsg");
pContribTxt = new wxTextCtrl(this, EDITOR_DIALOG_CONTRIB_TEXT, "", wxPoint(175, 397), wxSize(120, 25), 0, wxDefaultValidator, "ContribTxt");
pLinesMsg = new wxStaticText(this, EDITOR_DIALOG_LINES_MSG, "Lines of code:", wxPoint(303, 380), wxSize( -1, -1), 0, "LinesMsg");
pLinesTxt = new wxTextCtrl(this, EDITOR_DIALOG_LINES_TEXT, "", wxPoint(303, 397), wxSize(100, 25), 0, wxDefaultValidator, "LinesTxt");
// Now that all the widgets on the panel are created, its safe to allow ::OnCommand() to
// handle all widget processing
widgetPtrsSet = TRUE;
// Setup the orderBy and where clauses to return back a single record as the result set,
// as there will only be one record being shown on the dialog at a time, this optimizes
// network traffic by only returning a one row result
Contact->SetOrderByClause("NAME"); // field name to sort by
// The wxString "whereStr" is not a member of the wxDbTable object, it is a member variable
// specifically in the Ccontact class. It is used here for simpler construction of a varying
// length string, and then after the string is built, the wxDbTable member variable "where" is
// assigned the pointer to the constructed string.
//
// The constructed where clause below has a sub-query within it "SELECT MIN(NAME) FROM %s"
// to achieve a single row (in this case the first name in alphabetical order).
if (Contact->GetDb()->Dbms() != dbmsPOSTGRES && Contact->GetDb()->Dbms() != dbmsMY_SQL)
{
Contact->whereStr.sprintf("NAME = (SELECT MIN(NAME) FROM %s)",Contact->GetTableName());
// NOTE: (const char*) returns a pointer which may not be valid later, so this is short term use only
Contact->SetWhereClause(Contact->whereStr.c_str());
}
else
Contact->SetWhereClause("");
// Perform the Query to get the result set.
// NOTE: If there are no rows returned, that is a valid result, so Query() would return TRUE.
// Only if there is a database error will Query() come back as FALSE
if (!Contact->Query())
{
wxString tStr;
tStr = "ODBC error during Query()\n\n";
tStr += GetExtendedDBErrorMsg(__FILE__,__LINE__);
wxMessageBox(tStr,"ODBC Error...",wxOK | wxICON_EXCLAMATION);
// GetParent()->Close();
return FALSE;
}
// Since Query succeeded, now get the row that was returned
if (!Contact->GetNext())
// If the GetNext() failed at this point, then there are no rows to retrieve,
// so clear the values in the members of "Contact" so that PutData() blanks the
// widgets on the dialog
Contact->Initialize();
SetMode(mView);
PutData();
Show(TRUE);
initialized = TRUE;
return TRUE;
} // CeditorDlg::Initialize()
void CeditorDlg::FieldsEditable()
{
pNameTxt->Enable((mode == mCreate) || (mode == mEdit));
@@ -1235,7 +1331,7 @@ bool CeditorDlg::GetNextRec()
{
wxString w;
if (Contact->GetDb()->Dbms() != dbmsPOSTGRES)
if (Contact->GetDb()->Dbms() != dbmsPOSTGRES && Contact->GetDb()->Dbms() != dbmsMY_SQL)
{
w = "NAME = (SELECT MIN(NAME) FROM ";
w += Contact->GetTableName();
@@ -1270,7 +1366,7 @@ bool CeditorDlg::GetPrevRec()
{
wxString w;
if (Contact->GetDb()->Dbms() != dbmsPOSTGRES)
if (Contact->GetDb()->Dbms() != dbmsPOSTGRES && Contact->GetDb()->Dbms() != dbmsMY_SQL)
{
w = "NAME = (SELECT MAX(NAME) FROM ";
w += Contact->GetTableName();
@@ -1385,11 +1481,11 @@ void CparameterDlg::OnCloseWindow(wxCloseEvent& event)
wxGetApp().params = savedParamSettings;
}
if (GetParent() != NULL)
GetParent()->SetFocus();
// if (GetParent() != NULL)
// GetParent()->SetFocus();
this->Destroy();
} // Cparameter::OnCloseWindow()
} // CparameterDlg::OnCloseWindow()
void CparameterDlg::OnButton( wxCommandEvent &event )
@@ -1566,7 +1662,7 @@ CqueryDlg::CqueryDlg(wxWindow *parent, wxDb *pDb, char *tblName[], char *pWhereA
// Initialize the WHERE clause from the string passed in
pWhere = pWhereArg; // Save a pointer to the output buffer
if (wxStrlen(pWhere) > DB_MAX_WHERE_CLAUSE_LEN) // Check the length of the buffer passed in
if (wxStrlen(pWhere) > (unsigned int)DB_MAX_WHERE_CLAUSE_LEN) // Check the length of the buffer passed in
{
wxString s;
s.Printf("Maximum where clause length exceeded.\nLength must be less than %d", DB_MAX_WHERE_CLAUSE_LEN+1);
@@ -1848,7 +1944,7 @@ void CqueryDlg::OnCommand(wxWindow& win, wxCommandEvent& event)
if (widgetName == pQueryDoneBtn->GetName())
{
// Be sure the where clause will not overflow the output buffer
if (wxStrlen(pQuerySqlWhereMtxt->GetValue()) > DB_MAX_WHERE_CLAUSE_LEN)
if (wxStrlen(pQuerySqlWhereMtxt->GetValue()) > (unsigned int)DB_MAX_WHERE_CLAUSE_LEN)
{
wxString s;
s.Printf("Maximum where clause length exceeded.\nLength must be less than %d", DB_MAX_WHERE_CLAUSE_LEN+1);

14
samples/db/dbtest.h
View File

@@ -20,9 +20,11 @@
enum DialogModes {mView,mCreate,mEdit,mSearch};
// ID for the menu quit command
#define FILE_CREATE 100
#define FILE_EXIT 199
#define EDIT_PARAMETERS 200
#define FILE_CREATE 100
#define FILE_RECREATE_TABLE 110
#define FILE_RECREATE_INDEXES 120
#define FILE_EXIT 199
#define EDIT_PARAMETERS 200
#define ABOUT_DEMO 300
// this seems to be missing, Robert Roebling (?)
@@ -129,11 +131,13 @@ class DatabaseDemoFrame: public wxFrame
void OnCloseWindow(wxCloseEvent& event);
void OnCreate(wxCommandEvent& event);
void OnRecreateTable(wxCommandEvent& event);
void OnRecreateIndexes(wxCommandEvent& event);
void OnExit(wxCommandEvent& event);
void OnEditParameters(wxCommandEvent& event);
void OnAbout(wxCommandEvent& event);
void CreateDataTable();
void CreateDataTable(bool recreate);
void BuildEditorDialog();
void BuildParameterDialog(wxWindow *parent);
@@ -163,6 +167,7 @@ class CeditorDlg : public wxPanel
wxStaticText *pNativeLangMsg;
public:
bool initialized;
enum DialogModes mode;
Ccontact *Contact; // this is the table object that will be being manipulated
@@ -173,6 +178,7 @@ class CeditorDlg : public wxPanel
void OnCommand(wxWindow& win, wxCommandEvent& event);
void OnActivate(bool) {}; // necessary for hot keys
bool Initialize();
void FieldsEditable();
void SetMode(enum DialogModes m);
bool PutData();