Include File:
"UtilityCls.h"
/* Search Function For The Speaker's Bureau Program - This program is a
modification of Programming Challenge 11.9. It allows the user to
search for a speaker on a particular topic. It accepts a key word as
an argument and then searches the array for a structure with that key
word in the Speaking Topic field. All structures that match are displayed.
If no structure matches, a message saying so is displayed. */
#include "UtilityCls.h"
struct SpeakerInfo
{
string name; /* The speaker's name */
string phoneNum; /* The speaker's telephone number */
string speakingTopic; /* The speaking topic */
double fee; /* The speaker's fee */
};
enum menuSelection
{
GET_SPEAKER_INFO = 1,
CHANGE_SPEAKER_INFO = 2,
SEARCH_TOPICS = 3,
DISPLAY_SPEAKER_INFO = 4,
QUIT = 5
};
enum dataMode
{
GET_INFO = 1,
CHANGE_INFO = 2
};
void menu(SpeakerInfo [], const int);
int menuItems();
void getSpeakerInfo(SpeakerInfo [], int, const int);
int getSpeakerID(SpeakerInfo [], const int);
void searchTopic(SpeakerInfo [], const int);
void displaySpeakerInfo(SpeakerInfo [], const int);
int main()
{
const int NUM_SPEAKERS = 10;
SpeakerInfo speaker[NUM_SPEAKERS];
menu(speaker, NUM_SPEAKERS);
pauseSystem();
return 0;
}
/* **********************************************************
Definition: menuItems
This function presents a menu-screen to the user from
which he or she can select one of the available options.
********************************************************** */
int menuItems()
{
int menuItem = 0;
cout << "\n\t\tSPEAKER'S CORNER - SPEAKER INFORMATION\n\n"
<< "\tMenu Selection\n\n"
<< "\t1. Enter Speaker Info\n"
<< "\t2. Change Speaker Info\n"
<< "\t3. Search Speaker Topic\n"
<< "\t4. Display Speaker Info\n"
<< "\t5. Quit\n\n"
<< "\tYour Selection: ";
cin >> menuItem;
while (menuItem < GET_SPEAKER_INFO || menuItem > QUIT)
{
cout << "\n\tMenu item " << menuItem << " does not exist.\n\n"
<< "\tYour selection: ";
cin >> menuItem;
}
return menuItem;
}
/* **********************************************************
Definition: menu
This function represents the main-menu, from which all the
other functions in this program are called.
********************************************************** */
void menu(SpeakerInfo speaker[], const int NUM_SPEAKERS)
{
int selection = 0;
int mode = 0;
do
{
selection = menuItems();
switch (selection)
{
case GET_SPEAKER_INFO:
{
clearScreen();
cout << "\n\tSPEAKER'S CORNER - ENTER SPEAKER INFORMATION\n\n\n";
mode = GET_INFO;
getSpeakerInfo(speaker, mode, NUM_SPEAKERS);
} break;
case CHANGE_SPEAKER_INFO:
{
clearScreen();
cout << "\n\tSPEAKER'S CORNER - CHANGE SPEAKER INFORMATION\n\n";
mode = CHANGE_INFO;
getSpeakerInfo(speaker, mode, NUM_SPEAKERS);
} break;
case SEARCH_TOPICS:
{
clearScreen();
cout << "\n\tSPEAKER'S CORNER - TOPIC SEARCH\n\n";
searchTopic(speaker, NUM_SPEAKERS);
} break;
case DISPLAY_SPEAKER_INFO:
{
clearScreen();
cout << "\n\tSPEAKER'S CORNER - DISPLAY SPEAKER INFORMATION\n\n";
displaySpeakerInfo(speaker, NUM_SPEAKERS);
} break;
case QUIT:
{
cout << "\n\tNow exiting 'Speaker's Corner' ...\n"
"\tHave a nice day!\n\n";
} break;
}
} while (selection != QUIT);
}
/* **********************************************************
Definition: getSpeakerID
This function accepts an array of structure as argument.
It displays a list of the speaker names. The user is asked
to enter the speaker's ID, to determine whose info he or
she wishes to change. The speaker's ID is returend.
********************************************************** */
int getSpeakerID(SpeakerInfo speaker[], const int NUM_SPEAKERS)
{
int index = 0;
int speakerID = 0;
for (int index = 0; index < NUM_SPEAKERS; index++)
{
cout << "\tSpeaker # " << (index + 1) << "\t"
<< speaker[index].name << "\n";
}
cout << "\n\tEnter speaker ID: ";
cin >> speakerID;
cout << "\n\n";
return speakerID - 1;
}
/* **********************************************************
Definition: getSpeakerInfo
This function asks the user to enter information about ten
speakers. This information is stored in the appropriate
members in the array of structures.
********************************************************** */
void getSpeakerInfo(SpeakerInfo speaker[], int mode, const int NUM_SPEAKERS)
{
int index = 0;
int numSpeakers = 0;
if (mode == CHANGE_INFO)
{
index = getSpeakerID(speaker, NUM_SPEAKERS);
numSpeakers = 1;
}
else
{
index = 0;
numSpeakers = NUM_SPEAKERS;
}
do
{
cout << setw(23) << left << "\tSpeaker's Name: ";
cin.ignore();
getline(cin, speaker[index].name);
while (speaker[index].name.empty())
{
cout << setw(23) << left << "\tSpeaker's Name: ";
getline(cin, speaker[index].name);
}
cout << setw(22) << left << "\tSpeaker's Telephone #";
getline(cin, speaker[index].phoneNum);
while (speaker[index].phoneNum.empty())
{
cout << setw(22) << left << "\tSpeaker's Telephone #";
getline(cin, speaker[index].phoneNum);
}
cout << "\tSpeaking Topic:\n\t";
getline(cin, speaker[index].speakingTopic);
while (speaker[index].speakingTopic.empty())
{
cout << setw(22) << left << "\tSpeaking Topic: ";
getline(cin, speaker[index].speakingTopic);
}
cout << setw(23) << left << "\n\tRequired Fee $";
cin >> speaker[index].fee;
while (speaker[index].fee <= 0.0)
{
cout << setw(23) << left << "\tRequired Fee $";
cin >> speaker[index].fee;
}
cout << "\n";
index += 1;
} while (index < numSpeakers);
}
/* **********************************************************
Definition: searchTopic
This function accpets an array of structures as argument.
It asks the user to enter a key word to search for. If the
key word is found, the matching speaker information is
displayed. If there is no match, a message is displayed,
and the function exits.
********************************************************** */
void searchTopic(SpeakerInfo speaker[], const int NUM_SPEAKERS)
{
int index = 0;
int speakerID = 0;
string search = " ";
bool found = false;
cout << "\n\tEnter a key word to search for: ";
cin.ignore();
getline(cin, search);
for (index = 0; index < NUM_SPEAKERS; index++)
{
if (speaker[index].speakingTopic.find(search) != string::npos)
{
found = true;
if (found)
{
cout << fixed << showpoint << setprecision(2);
cout << setw(22) << left << "\n\tSpeaker's Name: "
<< speaker[index].name
<< setw(22) << left << "\n\tSpeaker's Telephone #"
<< speaker[index].phoneNum
<< setw(22) << left << "\n\tSpeaking Topic: "
<< speaker[index].speakingTopic
<< setw(22) << left << "\n\tRequired Fee: $"
<< speaker[index].fee << "\n";
cout << "\n\n";
}
}
}
if (!found)
{
cout << "\n\tNo topic matching this key word.\n\n";
}
}
/* **********************************************************
Definition: displaySpeakerInfo
This function displays information about all speakers in
the array of structures.
********************************************************** */
void displaySpeakerInfo(SpeakerInfo speaker[], const int NUM_SPEAKERS)
{
for (int index = 0; index < NUM_SPEAKERS; index++)
{
cout << fixed << showpoint << setprecision(2);
cout << setw(22) << left << "\n\tSpeaker's Name: "
<< speaker[index].name
<< setw(22) << left << "\n\tSpeaker's Telephone #"
<< speaker[index].phoneNum
<< setw(22) << left << "\n\tSpeaking Topic: "
<< speaker[index].speakingTopic
<< setw(22) << left << "\n\tRequired Fee: $"
<< speaker[index].fee << "\n";
}
cout << "\n\n";
}
Example Output:
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