bool deleteStudents() {
cout << "Please enter SID or name. Enter 0 to finish." << "\n";
string query;
cin >> query;
if ( query == "0" )
return false;
int deleted = 0;
bool targets[MAX_STUDENTS];
fill(targets, targets + MAX_STUDENTS, false);
for ( int i = 0; i < si_cnt; ++ i ) {
string sid;
if ( si_list[i].sid == query ) {
sid = query;
targets[i] = true;
}
if ( si_list[i].name == query ) {
sid = si_list[i].sid;
targets[i] = true;
}
if ( ! sid.empty() )
sid_set.erase(sid);
}
for ( int i = si_cnt - 1; i >= 0; -- i ) {
if ( targets[i] ) {
deleteStudent(i);
deleted ++;
}
}
cout << deleted << " student(s) removed." << "\n";
return true;
}
main(int argc, char *argv[]){
int menuchoice;
Students st;
char filename[100];
if (argc > 1)
{
printf("You have imported a file.\n");
strcpy(filename, argv[1]);
}
else
{
printf("The program is going to use the default file.\n");
strcpy(filename, FILENAME);
}
printf("Filename: %s\n", filename);
initStudents (&st);
do
{
menuchoice=displayMainMenu();
switch (menuchoice)
{
case 0: exit(0);
case 1: loadData(filename, &st); break;
case 2: saveData(filename, &st); break;
case 3: addStudent(&st); break;
case 4: deleteStudent(&st); break;
case 5: sortID(&st); break;
case 6: sortSurName(&st); break;
case 7: displayStudents(st);break;
}
} while(1);
}
studentMonitor::studentMonitor(QWidget *parent) :
QWidget(parent),
ui(new Ui::studentMonitor)
{
QStringList students;
ui->setupUi(this);
ui->treeWidget->setColumnWidth( 0, 50 );
ui->treeWidget->setColumnWidth( 1, 200 );
this->setWindowFlags( Qt::Dialog | Qt::Popup );
this->fillBoxGroupes();
this->fillSudentsMonitor(students);
ui->layMain->setMargin(8);
this->setLayout(ui->layMain);
this->setGeometry(100, 100, 640, 400);
this->show();
QObject::connect(ui->buttonAdd, SIGNAL(clicked()),
this, SLOT(newStudent()));
QObject::connect(ui->buttonDelete, SIGNAL(clicked()),
this, SLOT(deleteStudent()));
QObject::connect(ui->buttonEdit, SIGNAL(clicked()),
this, SLOT(editStudent()));
QObject::connect(ui->treeWidget, SIGNAL(itemDoubleClicked(QTreeWidgetItem*,int)),
this, SLOT(determineStudent(QTreeWidgetItem*, int)));
QObject::connect(ui->radioGroupes, SIGNAL(clicked(bool)),
this, SLOT(selectGroupeEnabled(bool)));
QObject::connect(ui->boxGroupes, SIGNAL(currentIndexChanged(QString)),
this, SLOT(refreshStudentMonitorOneGroupe(QString)));
QObject::connect(ui->buttonCancel, SIGNAL(clicked()),
this, SLOT(deleteLater()));
}
int main(int argc, char ** argv) {
// array of type Student
Student *s = malloc(sizeof(Student) * 100);
// zero the newly allocated memory
memset(s, 0, sizeof(Student)*100);
int menuOpt;
int terminateflag = 0;
while (!terminateflag)
{
menuOpt = menu();
switch (menuOpt){
case 1: // Module that handles entering the student's basic information (name, email, UID#)
newStudent(s);
break;
case 2: // Module that loads a database file into memory.
loadDB(s);
break;
case 3: // Module that saves the database to a file
saveDB(s);
break;
case 4: // Module that searches for a student in the database
viewStudent(s);
break;
case 5: // Module that allows the user to enter a grade
enterGrades(s);
break;
case 6: // Delete a student
deleteStudent(s);
break;
case 7: // Exit
terminateflag = 1;
break;
default:
printf("Please enter a valid option number.\n\n");
break;
}
}
return 0;
}
void MainWindow::setupClassViewer()
{
tbtnAdd_class->setAction(actionAdd_class, true);
tbtnAdd_class->setText(tr("Add"));
tbtnAdd_class->setIconSize(QSize(16, 16));
tbtnDelete_class->setAction(actionDelete_class, true);
tbtnDelete_class->setText(tr("Delete"));
tbtnDelete_class->setIconSize(QSize(16, 16));
tbtnAdd_student->setAction(actionAdd_student, true);
tbtnAdd_student->setText(tr("Add"));
tbtnAdd_student->setIconSize(QSize(16, 16));
tbtnDelete_student->setAction(actionDelete_student, true);
tbtnDelete_student->setText(tr("Delete"));
tbtnDelete_student->setIconSize(QSize(16, 16));
tbtnAdd_session->setAction(actionAdd_session, true);
tbtnAdd_session->setText(tr("Add"));
tbtnAdd_session->setIconSize(QSize(16, 16));
tbtnDelete_session->setAction(actionDelete_session, true);
tbtnDelete_session->setText(tr("Delete"));
tbtnDelete_session->setIconSize(QSize(16, 16));
QObject::connect(actionAdd_class, SIGNAL(triggered()), this, SLOT(addClass()));
QObject::connect(actionDelete_class, SIGNAL(triggered()), this, SLOT(deleteClass()));
QObject::connect(actionPrint_class_summary, SIGNAL(triggered()), this, SLOT(printClassSummary()));
QObject::connect(actionAdd_student, SIGNAL(triggered()), this, SLOT(addStudent()));
QObject::connect(actionDelete_student, SIGNAL(triggered()), this, SLOT(deleteStudent()));
QObject::connect(actionAdd_session, SIGNAL(triggered()), this, SLOT(addSession()));
QObject::connect(actionDelete_session, SIGNAL(triggered()), this, SLOT(deleteSession()));
QObject::connect(CLSCFirstYearSpinBox, SIGNAL(valueChanged(int)), CLSCLastYearSpinBox, SLOT(setMinimum(int)));
QObject::connect(CLLCListWidget, SIGNAL(itemDoubleClicked(QListWidgetItem *)), this, SLOT(setCurrentClass(QListWidgetItem *)));
QObject::connect(CLLSListWidget, SIGNAL(itemDoubleClicked(QListWidgetItem *)), this, SLOT(setCurrentClassMember(QListWidgetItem *)));
QObject::connect(CLLSSListWidget, SIGNAL(itemDoubleClicked(QListWidgetItem *)), this, SLOT(viewSession(QListWidgetItem *)));
QObject::connect(CLLSSListWidget, SIGNAL(currentIndexAvailabilityChanged(bool)), actionDelete_session, SLOT(setEnabled(bool)));
QObject::connect(CLLSSListWidget, SIGNAL(currentTextChanged(QString)), this, SLOT(toggleAddSessionToMemberEnabled()));
QObject::connect(CLSSResultsTableWidget, SIGNAL(currentIndexAvailabilityChanged(bool)), tbtnRemoveSession, SLOT(setEnabled(bool)));
QObject::connect(CLSSResultsTableWidget, SIGNAL(itemDoubleClicked(QTableWidgetItem *)), this, SLOT(viewSessionAndStudent(QTableWidgetItem *)));
QObject::connect(CLLCSearchLineEdit, SIGNAL(textChanged(QLineEdit *, const QString &)), CLLCListWidget, SLOT(filterItems(QLineEdit *, const QString &)));
QObject::connect(CLLSSearchLineEdit, SIGNAL(textChanged(QLineEdit *, const QString &)), CLLSListWidget, SLOT(filterItems(QLineEdit *, const QString &)));
QObject::connect(CLLSSSearchLineEdit, SIGNAL(textChanged(QLineEdit *, const QString &)), CLLSSListWidget, SLOT(filterItems(QLineEdit *, const QString &)));
QObject::connect(tbtnApplyClassChanges, SIGNAL(released()), this, SLOT(updateClassProperties()));
QObject::connect(tbtnSaveMemberName, SIGNAL(released()), this, SLOT(updateClassMemberName()));
QObject::connect(tbtnAddSession, SIGNAL(released()), this, SLOT(addSessionToMember()));
QObject::connect(tbtnRemoveSession, SIGNAL(released()), this, SLOT(removeSessionFromMember()));
CLLCListWidget->setSortingEnabled(true);
CLLSSListWidget->setSortingEnabled(true);
CLSSResultsTableWidget->horizontalHeader()->setResizeMode(QHeaderView::Stretch);
CLSSResultsTableWidget->verticalHeader()->hide();
CLSSResultsTableWidget->setEditTriggers(QAbstractItemView::NoEditTriggers);
setCLSCEnabled(false);
}
int main(int argc, char *argv[])
{
//LinkList to store all account and student info
pAccount AccountList = NULL;
pStudent StudentList = NULL;
//Init the LinkList
systemInit(CONFIG_FILE, &AccountList, &StudentList);
Role role;
Menu menu;
role = confirmAccount(AccountList);
if (role == -1) {
return 0;
}
while ((menu = showSystemMenu(role)) != 9) {
while (getchar() != '\n') {
continue;
}
switch(menu) {
case 1:
if (role == 1) {
searchStudentAdmin(StudentList);
} else {
searchStudentGuest(StudentList);
}
break;
case 2: addStudent(&StudentList); break;
case 3: updateStudent(StudentList); break;
case 4: deleteStudent(&StudentList); break;
case 5: addUserAccount(&AccountList); break;
case 6: updateUserAccount(AccountList); break;
case 7: deleteUserAccount(&AccountList); break;
case 8: searchAccountMenu(AccountList); break;
default: break;
}
saveData(CONFIG_FILE, AccountList, StudentList);
}
return 0;
}
/**
* poz : variable indicating if the lastName is located at start or end
* poz values: 1 for start, 2 for end
*
* functional module
*/
Node* deleteStudent(Node* currentNode, char* lastName, int poz)
{
// if we are at the end of the list
if (currentNode == 0)
return 0;
// check if the current node is the one for deletion
if (poz == 1)
{
char* token;
char separator[2] = " ";
char nameBuffer[256];
strcpy(nameBuffer, currentNode->info->name);
token = strtok(nameBuffer, separator);
if (strcmp(token, lastName) == 0)
{
Node* nextElement = currentNode->next;
if (currentNode->info->name != 0)
free(currentNode->info->name);
if (currentNode->info->faculty != 0)
free(currentNode->info->faculty);
free(currentNode);
return nextElement;
}
currentNode->next = deleteStudent(currentNode->next, lastName, poz);
}
return currentNode;
}
void TeachWin::deleteStudentButton() {
//remove student from database here
std::string str = ui->listWidget->currentItem()->text().toStdString();
deleteStudent(str);
}
int main() {
FILE *fp;
FILE *fp2;
char* file_name = "students.txt";
char* file_name2 = "log.txt";
int studentId;
char name[30];
char class[10];
char department[10];
int r;
StudentNode temp;
StudentNode* result;
int i;
int loop;
int userChoice;
//Initialize index array
for (i = 0; i<20; i++) {
indexArray[i].r = i;
indexArray[i].node = NULL;
cur[i] = NULL;
}
printf("Begin of program\n\n");
//Try to open file to read
if ((fp = fopen(file_name, "r")) == NULL) {
printf("No such file\n");
exit(1);
}
//Add students to their corespoding indexes
while (fscanf(fp, "%d:%[^:]:%[^:]:%[^:\n]", &studentId, name, class, department) == 4) {
addStudent(studentId, name, class, department);
}
//Link indexes together
linkIndexes();
//Menu
loop = 1;
while (loop) {
printf ("******************************\n* What do you wanna do? *\n* 1- Add student *\n* 2- Delete student *\n* 3- Find student *\n* 4- Edit student *\n* 5- Student list *\n* 6- Exit *\n******************************");
printf("\nYour choice: ");
scanf("%d%*c", &userChoice);
switch (userChoice) {
case 1:
studentId = askForId();
temp = findStudentById(studentId);
if (temp == NULL) {
strcpy(name, askForName());
strcpy(class, askForClass());
strcpy(department, askForDepartment());
addStudent (studentId, name, class, department);
linkIndexes();
addStudentToFile(studentId, name, class, department, file_name);
makeLog(studentId, "APPEND", file_name2);
printf("Add success!\n");
} else
printf("ID already existed!\n");
break;
case 2:
studentId = askForId();
if (deleteStudent(studentId) == 1) {
deleteStudentFromFile(studentId, file_name);
makeLog(studentId, "DELETE", file_name2);
printf("Delete success!\n");
} else
printf("Can't find any student with given ID!\n");
break;
case 3:
printf("\nFind by which criteria?\n1- Student ID\n2- Name\n3- Class\n4- Department\n5- Back to menu\nYour choice: ");
scanf("%d%*c", &userChoice);
switch (userChoice) {
case 1:
studentId = askForId();
temp = findStudentById(studentId);
printf("\nResult:\n");
if (temp != NULL) {
printf("%-10d | %-30s | %-10s | %-10s\n", temp->studentId, temp->name, temp->class, temp->department);
} else
int solve() {
int choice;
Result person[MAXLENGTH];
int n;
int case1 = 0;
int currentIndex = 0;
while(1) {
switch(choice = menu()) {
case 1:
printf("You choose option %d\n", choice);
getStudentInformation(person, ¤tIndex);
printStudentList(person, currentIndex);
case1 = 1;
continue;
case 2:
printf("You choose option %d\n", choice);
if(!case1) {
printf("Please choose case 1 first!\n");
continue;
}
searching(person, currentIndex);
continue;
case 3:
printf("You choose option %d\n", choice);
if(!case1) {
printf("Please choose case 1 first!\n");
continue;
}
findScholashipStudent(person, currentIndex);
printStudentList(person, currentIndex);
continue;
case 4:
printf("You choose option %d\n", choice);
if(!case1) {
printf("Please choose case 1 first!\n");
continue;
}
fixGrade(person, currentIndex);
printStudentList(person, currentIndex);
continue;
case 5:
printf("You choose option %d\n", choice);
if(!case1) {
printf("Please choose case 1 first!\n");
continue;
}
deleteStudent(person, ¤tIndex);
printStudentList(person, currentIndex);
continue;
case 6:
printf("You choose option %d\n", choice);
break;
default:
printf("Invalid choice!\n");
continue;
}
break;
}
return 0;
}
void main()
{
Node* list = 0;
Node* secondList = 0;
Student* stud = 0;
FILE *f;
f = fopen("Students.csv", "r");
if (f)
{
stud = (Student*)malloc(sizeof(Student));
// buffers
char name[256];
char birth[256];
char faculty[256];
// pattern: 1,John Smith,10-10-1990,Faculty of Computer Sciene,1,1008
fscanf(f, "%d, %[^,], %[^,], %[^,], %hd, %hd",
&(stud->id), name, birth, faculty, &stud->year, &stud->group);
while (!feof(f))
{
stud->name = (char*)malloc((strlen(name) + 1) * sizeof(char));
strcpy(stud->name, name);
char* token;
// solving date field
char separator[2] = "-";
token = strtok(birth, separator);
stud->birthDay.day = atoi(token);
token = strtok(0, separator);
stud->birthDay.month = atoi(token);
token = strtok(0, separator);
stud->birthDay.year = atoi(token);
// solving name field
stud->name = (char*)malloc((strlen(name) + 1) * sizeof(char));
strcpy(stud->name, name);
// solving faculty
stud->faculty = (char*)malloc((strlen(faculty) + 1) * sizeof(char));
strcpy(stud->faculty, faculty);
// INSERTION HERE:
//list = frontInsertion(list, stud);
list = rearInsertion(list, stud);
secondList = frontInsertion(secondList, stud);
// allocate new student && read next line from csv file
stud = (Student*)malloc(sizeof(Student));
fscanf(f, "%d, %[^,], %[^,], %[^,], %hd, %hd",
&(stud->id), &name, &birth, &faculty, &stud->year, &stud->group);
}
}
else
{
perror("[FILE ERROR]");
}
printList(list);
searchStudent(list, "fate1");
searchStudent(list, "fate2");
searchStudent(list, "fate3");
list = deleteStudent(list, "Max", 1);
//list = deleteElement(list, "Philip Rafaello");
printf("\nList after deletion of Max: ");
printList(list);
// search for a student in list
Student* searched = searchElement(list, "John Smith");
if (searched)
{
printf("\nStudent found: %s", searched->name);
}
else
{
printf("\nStudent not found!");
}
// interchange adjacent nodes in list
list = interchangeNodesAdj(list, 3, 4);
printf("\nList after adjacent interchange: ");
printList(list);
// interchange nodes in list
list = interchangeNodes(list, 1, 5);
printf("\nList after adjacent interchange: ");
printList(list);
// sort list by year
printf("\nSorting the list: ");
sortList(&list);
printList(list);
// list concatenation
printf("\nFirst list: ");
printList(list);
printf("\nSecond list: ");
printList(secondList);
//Node* concatenatedList = concatenateList(list, secondList);
//printf("\nResult: ");
//printList(concatenatedList);
deleteList(list);
// testing some things
int a = 0x5;
a = 0xA;
a = 0xB;
a = 0xC;
printf("\nHex: %x", a);
// finally
fclose(f);
printf("\n");
}
int main(){
student_t *head, *newStudent,*temp;
int age,major;
float gpa;
char * name, *name1, cr;
char *msg;
int i;
int answer,data;
head = NULL;
printf("You are now entering the student zone!\n");
answer = menu();
while(answer != 7){
switch (answer) {
case 1:
printf("enter age:\n");
scanf("%d%c",&age,&cr);
printf("enter gpa:\n");
scanf("%f%c",&gpa,&cr);
printf("enter major:\n");
scanf("%d%c",&major,&cr);
printf("enter name:\n");
name = getline();
//printf("length: %d\n",strlen(name));
newStudent = createStudent(age, name,major,gpa);
break;
case 2:
insertStudent(&head,newStudent);
break;
case 3:
printf("enter student name to delete\n");
name1 = getline();
deleteStudent(&head,name1);
free(name1);
break;
case 4:
printf("enter student name to investigate\n");
name1 = getline();
data = dataMenu();
switch (data) {
case 1:
temp = findStudent(head, name1);
if(temp == NULL){
printf("Student %s not found \n",name1);
break;
}
age = getAge( temp);
printf("The age of %s, is %d\n",name1,age);
break;
case 2:
temp = findStudent(head, name1);
if(temp == NULL){
printf("Student %s not found \n",name1);
break;
}
gpa = getGpa( temp);
printf("The gpa of %s, is %f\n",name1,gpa);
break;
case 3:
temp = findStudent(head, name1);
if(temp == NULL){
printf("Student %s not found \n",name1);
break;
}
major = getMajor( temp);
printf("The gpa of %s, is %d\n",name1,major);
break;
default:
break;
}
break;
case 5:
temp = head;
while(temp != NULL){
msg = toString( temp);
printf("%s\n",msg);
temp = temp->link;
}
break;
case 6:
insertStudentRear(&head,newStudent);
break;
default:
break;
}
answer = menu();
}
printf("BYE\n");
return(0);
}
main()
{
char op;
int i = 1;
//Grupo
ML E1;
createML(&E1);
//printML(E1);
while(i)
{
op = printMenu();
fflush(stdin);
switch(op)
{
case '1':
system("CLS");
char gName[128];
printf("Nombre del grupo: ");
scanf("%128s",gName);
addNodeGroup(&E1,gName);
printf("\n\n\t");
system("PAUSE");
break;
case '2':
deleteGroup(&E1);
printf("\n\n\t");
system("PAUSE");
break;
case '3':
system("CLS");
addStudent(&E1);
printf("\n\n\t");
system("PAUSE");
break;
case '4':
system("CLS");
char boleta[12];
printf("Numero de boleta del alumno: \n");
scanf("%s",boleta);
deleteStudent(&E1,boleta);
printf("\n\n\t");
system("PAUSE");
break;
case '5':
system("CLS");
printML(E1);
printf("\n\n\t");
system("PAUSE");
break;
case '6':
exit(1);
break;
default:
break;
}
}
getch();
}
