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#include <iostream>
#include <iomanip>
#include <fstream>
using namespace std;
struct task {
char myClass[100];
char assign[100];
char due[10];
};
void getString(char input[], int num);
void loadTasks(task tasks[], int& numTasks);
void addTask(task from, task to[], int& num);
void saveTasks(task newTask[], const int num);
void listTasks(task tasks[], const int num);
void processCommand(const int com, task tasks[], int& num);
void inputTask(task tasks[], int& num);
void deleteTask(task currentTasks[], const int whatTask, int& num);
int askCommand();
void pause();
//Main Function
int main() {
task myTasks[100];
int numTasks = 0;
int command;
loadTasks(myTasks, numTasks);
do {
command = askCommand();
processCommand(command, myTasks, numTasks);
}while(command != 4);
saveTasks(myTasks, numTasks);
pause();
}
//Reads in a string
void getString(char input[], int num) {
cin.get(input, num, '\n');
while(!cin) {
cin.clear();
cin.ignore(100, '\n');
cout << "Error!! Please enter something else: ";
cin.get(input, num, '\n');
}
cin.ignore(100, '\n');
}
//Loads tasks from file into program
void loadTasks(task tasks[], int& numTasks) {
ifstream inFile("Saved Tasks.txt");
if(!inFile) {
cout << "File failed to open!!\n";
pause();
exit(1);
}
char aClass[100];
char assignment[100];
char date[10];
task aTask;
while(!inFile.eof()) {
inFile.get(aClass, 100, ';');
inFile.ignore(100, ';');
inFile.get(assignment, 100, ';');
inFile.ignore(100, ';');
inFile.get(date, 10, '\n');
inFile.ignore(100, '\n');
strcpy(aTask.myClass, aClass);
strcpy(aTask.assign, assignment);
strcpy(aTask.due, date);
addTask(aTask, tasks, numTasks);
}
inFile.close();
}
//Adds task to the list
void addTask(task from, task to[], int& num) {
strcpy(to[num].myClass, from.myClass);
strcpy(to[num].assign, from.assign);
strcpy(to[num].due, from.due);
num++;
}
void inputTask(task tasks[], int& num) {
char newClass[100], newAssign[100], newDueDate[100];
task newTask;
cout << endl;
cout << "New Task Form\n";
cout << "--- ---- ----\n\n";
cout << "Class: ";
getString(newClass, 100);
cout << "Assignment Description: ";
getString(newAssign, 100);
cout << "Due Date (e.g. 9/25/12): ";
getString(newDueDate, 100);
strcpy(newTask.myClass, newClass);
strcpy(newTask.assign, newAssign);
strcpy(newTask.due, newDueDate);
addTask(newTask, tasks, num);
cout << "Task added Successfully!\n";
}
//Stops the program
void pause() {
char end;
cout << "Enter anything to continue....... ";
cin >> end;
}
//Saves all of the tasks at the end of the program
void saveTasks(task newTask[], const int num) {
ofstream outFile("Saved Tasks.txt");
if(!outFile) {
cout << "File failed to open!!\n";
pause();
exit(1);
}
for(int x = 0; x < num; x++) {
outFile << newTask[x].myClass << ';' << newTask[x].assign << ';' << newTask[x].due << endl;
}
outFile.close();
}
//Deletes a Task
void deleteTask(task currentTasks[], const int whatTask, int& num) {
for(int x = whatTask; x < num; x++) {
strcpy(currentTasks[x - 1].myClass, currentTasks[x].myClass);
strcpy(currentTasks[x - 1].assign, currentTasks[x].assign);
strcpy(currentTasks[x - 1].due, currentTasks[x].due);
}
num--;
cout << "Task number " << whatTask << " deleted successfully\n";
}
//Lists all tasks on screen
void listTasks(task tasks[], const int num) {
if(strcmp(tasks[0].myClass, "") == 0 || num < 0) {
cout << "You do not have any tasks!\n";
}else {
cout << setfill(' ');
cout << " " << "|Class|" << setw(15) << "|Assignment|" << setw(15) << "|Due Date|\n\n";
for(int x = 0; x < num; x++) {
cout << x + 1 << ". " << "|" << tasks[x].myClass << "|" << " " << setw(15) << "|" << tasks[x].assign << "|" << " " << setw(15) << "|" << tasks[x].due << "|" << endl;
}
}
cout << endl;
pause();
}
//Asks for the user to input a command
int askCommand() {
int com;
cout << endl;
cout << "Menu\n";
cout << "----\n";
cout << endl << endl;
cout << "1 " << setfill ('-') << setw(24) << " See list of Tasks\n";
cout << "2 " << setfill('-') << setw(19) << " Add new Task\n";
cout << "3 " << setfill('-') << setw(20) << " Delete a Task\n";
cout << "4 " << setfill('-') << setw(20) << " Save and Quit\n";
cout << endl;
cout << "Choice: ";
cin >> com;
cout << endl;
while(com < 1 || com > 4) {
cin.ignore(100, '\n');
cout << "Please enter either 1, 2, 3, or 4: ";
cin >> com;
cout << endl;
}
while(!cin) {
cin.clear();
cin.ignore(100, '\n');
cout << "Invalid number... please try again: ";
cin >> com;
cout << endl;
while(com < 1 || com > 4) {
cin.ignore(100, '\n');
cout << "Please enter either 1, 2, 3, or 4: ";
cin >> com;
cout << endl;
}
}
cin.ignore(100, '\n');
return com;
}
//Processes the users command and decides what to do with it
void processCommand(const int com, task tasks[], int& num) {
int taskNum;
switch(com) {
case 1:
listTasks(tasks, num);
break;
case 2:
inputTask(tasks, num);
break;
case 3:
cout << "What is the number of the task you want to delete?: ";
cin >> taskNum;
deleteTask(tasks, taskNum, num);
break;
case 4:
cout << "Bye Bye!\n";
break;
}
}
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