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#include <iostream>
#include <fstream>
#include <iomanip>
#include <string>
using namespace std;
struct Item
{
string ItemName;
string BrandName;
string UnitLabel;
int Department;
int Location;
float UnitCost;
Item* NextItem;
Item* PreviousItem;
};
class ItemList
{
private:
Item* FirstItem;
int ListLength;
public:
ItemList()
{
FirstItem = NULL;
ListLength = 0;
}
void AddItem(string IN, string BN, string UL, int D, int L, float UC)
{
Item* NewItem = new Item;
NewItem->ItemName = IN;
NewItem->BrandName = BN;
NewItem->UnitLabel = UL;
NewItem->Department = D;
NewItem->Location = L;
NewItem->UnitCost = UC;
NewItem->NextItem = FirstItem;
FirstItem = NewItem;
ListLength++;
}
bool ListOccupied()
{
return (FirstItem != NULL);
}
int Length()
{
return ListLength;
}
Item* FirstItemLoc()
{
return FirstItem;
}
void DisplayAllItemList(int i)
{
Item* CurrentItem = FirstItem;
int ItemCount = 0;
while(CurrentItem!=NULL)
{
if(ItemCount == i)
{
cout << CurrentItem->ItemName << "\t"
<< CurrentItem->BrandName << "\t"
<< CurrentItem->UnitCost << "\t"
<< CurrentItem->UnitLabel << "\t"
<< CurrentItem->Department << "\t"
<< CurrentItem->Location << endl;
CurrentItem = CurrentItem->NextItem;
break;
}
ItemCount++;
CurrentItem = CurrentItem->NextItem;
}
}
};
void AddItem(string&,string&,string&,int&,int&,float&);
bool MoreItems();
bool Menu(int&);
bool MoreLocations();
void SaveAllItemList(int,Item*);
void LoadAllItemList(string&,string&,string&,int&,int&,float&,ItemList);
int main()
{
ItemList AllItems;
string ItemName;
string BrandName;
string UnitLabel;
int Department;
int Location;
float UnitCost;
int CurrentTask=0;
while(Menu(CurrentTask))
{
switch(CurrentTask)
{
case 0:
case 1: do
{
AddItem(ItemName,BrandName,UnitLabel,Department,Location,UnitCost);
AllItems.AddItem(ItemName,BrandName,UnitLabel,Department,Location,UnitCost);
}while(MoreItems());
break;
case 2: do
{
}while(MoreLocations());
break;
case 3: SaveAllItemList(AllItems.Length(),AllItems.FirstItemLoc());
break;
case 4: { // Here's where I need help.
int ListLength;
ifstream inData;
inData.open("list.out");
inData >> ListLength;
for(int i=0;i<ListLength;i++)
{
inData.seekg(2,ios_base::cur);
getline(inData,ItemName);
inData.seekg(1,ios_base::cur);
getline(inData,BrandName);
inData.seekg(1,ios_base::cur);
inData >> UnitCost;
inData.seekg(1,ios_base::cur);
getline(inData,UnitLabel);
inData.seekg(1,ios_base::cur);
inData >> Department;
inData.seekg(1,ios_base::cur);
inData >> Location;
AllItems.AddItem(ItemName,BrandName,UnitLabel,Department,Location,UnitCost);
}
inData.close();
break;
}
case 5: for(int i=0;i<AllItems.Length();i++) AllItems.DisplayAllItemList(i);
system("PAUSE");
}
}
return 0;
}
void AddItem(string& IN, string& BN, string& UL, int& D, int& L, float& UC)
{
system("cls");
cout << "Enter data for new item below.\n\n"
<< "\tItem Name: ";
cin.ignore();
getline(cin,IN);
cout << "\tBrand Name: ";
getline(cin,BN);
cout << "\tUnit Cost: ";
cin >> UC;
cout << "\tUnit Label: ";
cin.ignore();
getline(cin,UL);
cout << "\tDepartment: ";
cin >> D;
cout << "\tLocation: ";
cin >> L;
}
bool MoreItems()
{
char UserReply;
do{
cout << "Are there more items to enter? (Y/N) --> ";
cin >> UserReply;
UserReply=toupper(UserReply);
if(UserReply!='Y'&&UserReply!='N') cout << "*** Invalid response *** \n";
}while(UserReply!='Y'&&UserReply!='N');
return (UserReply=='Y');
}
bool Menu(int& CurrentTask)
{
int UserReply;
do
{
system("cls");
cout << "What would you like to do?\n"
<< "\t0) Quit.\n"
<< "\t1) Add new item.\n"
<< "\t2) Add new location.\n"
<< "\t3) Save All Item list.\n"
<< "\t4) Load All Item list.\n"
<< "\t5) Display All Item list.\n\n"
<< "Enter response here: ";
cin >> UserReply;
if(UserReply<0&&UserReply>5)
{
cout << "*** Invalid Response ***";
system("PAUSE");
}
}while(UserReply<0&&UserReply<5);
if(UserReply==0) return false;
else
{
CurrentTask = UserReply;
return true;
}
}
bool MoreLocations()
{
char UserReply;
do{
cout << "Are there more locations to enter? (Y/N) --> ";
cin >> UserReply;
UserReply=toupper(UserReply);
if(UserReply!='Y'&&UserReply!='N') cout << "*** Invalid response *** \n";
}while(UserReply!='Y'&&UserReply!='N');
return (UserReply=='Y');
}
void SaveAllItemList(int ListLength, Item* FirstItem)
{
ofstream outData;
outData.open("list.out");
outData << ListLength << "\n\n";
for(int i=0;i<ListLength;i++)
{
Item* CurrentItem = FirstItem;
int ItemCount = 0;
while(CurrentItem!=NULL)
{
if(ItemCount == i)
{
outData << CurrentItem->ItemName << "\n"
<< CurrentItem->BrandName << "\n"
<< CurrentItem->UnitCost << "\n"
<< CurrentItem->UnitLabel << "\n"
<< CurrentItem->Department << "\n"
<< CurrentItem->Location << "\n\n";
break;
}
ItemCount++;
CurrentItem = CurrentItem->NextItem;
}
}
outData.close();
}
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