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#include "stdafx.h"
//#include "Retail.h"
Retail * FirstRecordPointer;
// * Constructor *
Retail::Retail()
{
ProductNumber = 0;
Description[35] = '\0';
ManufacturerID = 0;
Price = 0;
Markup = 0;
Quantity= 0;
NextRecordPointer = NULL;
}
void Retail::ListRecords( char * ReportName )
{
ofstream OutputFile;
Retail * CurrentRecordPointer;
char Separator[200] = "_______________________________________________________________________________________________";
OutputFile.open((char*)(void*)Marshal::StringToHGlobalAnsi(String::Concat(Directory::GetCurrentDirectory(),
"\\RetailFileForOutput.txt")));
if (!OutputFile)
{
Application::Exit( );
return;
}
// * Display header for Retail information *
OutputFile << endl << Separator << endl << endl;
OutputFile << setw(38) << setfill(' ') << ReportName << endl;
OutputFile << Separator;
OutputFile << endl << endl << setw(15) << setfill(' ') << "Product"
<< setw(16) << setfill(' ') << "Product"
<< setw(21) << setfill(' ') << "Manufacturer's"
<< setw(19) << setfill(' ') << "Retail"
<< setw(18) << setfill(' ') << "Quantity"<< endl
<< setw(11) << setfill(' ') << "Number"
<< setw(21) << setfill(' ') << "Description"
<< setw(19) << setfill(' ') << "Id Number"
<< setw(21) << setfill(' ') << "Price"
<< endl << Separator << endl << Separator << endl;
// * Records are listed until the NULL value is encountered *
CurrentRecordPointer = FirstRecordPointer;
while( CurrentRecordPointer != NULL )
{
OutputFile << endl;
OutputFile << right;
OutputFile << endl << setw(9) << setfill(' ')
<< CurrentRecordPointer->GetProductNumber( );
OutputFile << setw(28) << setfill(' ')
<< CurrentRecordPointer->GetDescription( );
OutputFile << endl << setw(9) << setfill(' ')
<< CurrentRecordPointer->GetManufacturerID( );
OutputFile << fixed << showpoint << setprecision(2)
<< setw(8) << setfill(' ')
<< " $ " << CurrentRecordPointer->GetPrice( );
OutputFile << endl << setw(9) << setfill(' ')
<< CurrentRecordPointer->GetQuantity( );
CurrentRecordPointer = CurrentRecordPointer->GetLink( );
}
OutputFile << endl << Separator << endl;
OutputFile.close( );
return;
}
// * Add an item to the head of the linked list *
void Retail::InsertItem( int InitProductNumber, char InitDescription[], int InitManufacturerID,
double InitPrice, double InitMarkup, int InitQuantity, Retail* CurrentRecordPointer )
{
Retail* CurrentPointer; // Pointer to traverse the list
Retail* TrailPointer; // Pointer to previous record
bool Found;
ProductNumber = InitProductNumber;
strcpy_s( Description, InitDescription );
ManufacturerID = InitManufacturerID;
Price = InitPrice;
Markup = InitMarkup;
Quantity = InitQuantity;
// * First Case: The list is empty. The node containing *
// * the new item is the only node and thus the first node *
// * in the list. *
if( FirstRecordPointer == NULL )
{
FirstRecordPointer = CurrentRecordPointer;
}
else
{
CurrentPointer = FirstRecordPointer;
Found = false;
// * Search the linked list *
while( CurrentPointer != NULL && !Found )
{
if( CurrentPointer->ProductNumber >= InitProductNumber )
{
Found = true;
}
else
{
TrailPointer = CurrentPointer;
CurrentPointer =
CurrentPointer->GetLink( );
}
}
//
// * Second Case: The new item is smaller than the *
// * smallest item in the list. The new item goes at *
// * the beginning of the list and the head pointer is *
// * adjusted. *
//
if( CurrentPointer == FirstRecordPointer )
{
NextRecordPointer = FirstRecordPointer;
FirstRecordPointer = CurrentRecordPointer;
}
//
// * Third Case: The new item is to be inserted *
// * within the list. If the item is larger than all *
// * items in the list, it is inserted at the end of *
// * the list. Thus, the value of *
// * "CurrentPointer" is NULL and the new item *
// * is inserted after "TrailCurrent." If the item is *
// * to be inserted somewhere in the middle of the *
// * list, the new item is inserted between *
// * "TrailCurrent" and "CurrentPointer." *
//
else
{
TrailPointer->NextRecordPointer = CurrentRecordPointer;
NextRecordPointer = CurrentPointer;
}
}
}
// ************************************************************
// * Count and display the number of items in the linked list *
// ************************************************************
int Retail::CountItems( )
{
Retail* CurrentRecordPointer;
int ItemCounter = 0;
for( CurrentRecordPointer = FirstRecordPointer;
CurrentRecordPointer != NULL;
CurrentRecordPointer = CurrentRecordPointer->GetLink( ) )
{
ItemCounter++;
}
return( ItemCounter) ;
}
// *************************************************
// * Return the value of the private class members *
// *************************************************
int Retail::GetProductNumber( ) const
{
return( ProductNumber );
}
char* Retail::GetDescription( ) const
{
return( Description );
}
int Retail::GetManufacturerID( ) const
{
return( ManufacturerID );
}
double Retail::GetPrice( ) const
{
double Total = 0;
double Total2 = 0;
Total = Price * Markup;
Total2 = Total + Price;
return (Total2);
}
int Retail::GetQuantity( ) const
{
return (Quantity);
}
Retail* Retail::GetLink( ) const
{
return NextRecordPointer;
}
// **********************************************
// * Set the value of the private class members *
// **********************************************
void Retail::SetProductNumber( int InitProductNumber )
{
ProductNumber = InitProductNumber;
}
void Retail::SetDescription( char InitDescription[] )
{
strcpy_s( Description, InitDescription );
}
void Retail::SetManufacturerID( int InitManufacturerID )
{
ManufacturerID = InitManufacturerID;
}
void Retail::SetPrice( double InitPrice)
{
Price = InitPrice;
}
void Retail::SetMarkup( double InitMarkup)
{
Markup = InitMarkup;
}
void Retail::SetQuantity( int InitQuantity)
{
Quantity = InitQuantity;
}
void Retail::SetLink( Retail* InitLink )
{
NextRecordPointer = InitLink;
}
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