private void buttonSave_Click(object sender, EventArgs e)
{
// validation code
bool validationFailed = false;
if (textBoxSubject.Text == "") // the user didn't enter anything in the subject text box
{
textBoxSubject.BackColor = Color.Red;
validationFailed = true;
}
else if (textBoxLocation.Text == "") // the user didn't enter anything in the location text box
{
textBoxLocation.BackColor = Color.Red;
validationFailed = true;
}
if (validationFailed) // the validation failed
{
// Show a message box that tells the user hasn't entered a valid value.
MessageBox.Show("Please enter a value in the boxes highligheted in red", "Validation Failed");
}
else // the validation was a success
{
// Variables to hold the data entered.
string finalData;
string dateWithoutTime = date.Date.ToString().Substring(0, 10);
string start = dateWithoutTime + ' ' + comboBoxStartTime.Text;
string length = comboBoxLength.Text.Substring(0, 3);
string displayText = textBoxSubject.Text + "," + textBoxLocation.Text;
finalData = Convert.ToString(1) + '\t' + start + '\t' + length + '\t' + displayText;
SingleCalendarEvent singleEvent = new SingleCalendarEvent(finalData);
// setting the onject values to the values that are in the single calendar event class
_SingleEvent = singleEvent;
DialogResult = DialogResult.OK; // close the dialog box when the save is completed
}
}
public bool Load(string calendarEntriesFile)
{
// TODO. Add your code to load the data from the file specified in
// calendarEntriesFile here. You can edit the following two
// lines if you wish.
// Load the calendar enteries into the CalendarEntries collection from the specified file
//returns a value of true if the load was successful, otherwise a value of false is returnd.
bool status = true; // This displays the status of whetrher the file was opened or not - defaults to true.
StreamReader calendarEntries = null;
try
{
// Opens the calendar entry file specified in the parameter (C:\Users\<username>\AppData\Roaming\Calendar\CalendarApplication\1.0.0.0\appointments.txt)
calendarEntries = new StreamReader(calendarEntriesFile);
// Add any entreies located in the file into the CalenderEntries list
// List to temporarily store the lines read by the streamreader
List <string> lines = new List <string>();
using (calendarEntries)
{
string line;
// read the file, adding it to the list
while ((line = calendarEntries.ReadLine()) != null)
{
lines.Add(line);
}
}
string firstNumber; // string value of the first number. used in the conversion process
int singleOrRepeating; // Int value to determine whether the calendar entrey is a single event '0' or a repeating event '1'
foreach (var calendarEntrey in lines)
{
firstNumber = Convert.ToString(calendarEntrey).Substring(0, 1); // getting the first character of the saved data in the file that determins whether it is a single or recurring event
singleOrRepeating = int.Parse(firstNumber);
if (singleOrRepeating == 1)
{
// the calendar event is a single event
SingleCalendarEvent singleEvent = new SingleCalendarEvent(Convert.ToString(calendarEntrey).Remove(1, 0));
base.Add(singleEvent);
}
else if (singleOrRepeating == 2)
{
// the calendar event is a recurring event
RecurringCalendarEvent repeatingEvent = new RecurringCalendarEvent(Convert.ToString(calendarEntrey).Remove(1, 0));
base.Add(repeatingEvent);
}
}
status = true; // the file was successfully opened
}
catch
{
// If the file hasn't been opened, then the program sets the status as false
status = false;
}
finally
{
// closes the calendar entries file
if (calendarEntries != null)
{
calendarEntries.Close();
}
}
// returns the status of if the file has been opened or not.
return(status);
}