private List <string> candidates; // List of the candidates
#region Constructor
/// <summary>
/// Constructor
/// </summary>
public Main()
{
InitializeComponent();
// Creates new instances of the lists and sets the font of the dataGridView
allVotes = new VotesList();
candidates = new List <string>();
this.VotesGridView.Font = new Font("Arial", 10, FontStyle.Regular);
}
/// <summary>
/// Resests the data and page
/// </summary>
/// <param name="sender">The handle to the button</param>
/// <param name="e">The extra messages</param>
private void ResetVoteButton_Click(object sender, EventArgs e)
{
this.VotesGridView.SelectionMode = DataGridViewSelectionMode.RowHeaderSelect;
// Clears the columns, lists and labels
this.VotesGridView.Columns.Clear();
allVotes = new VotesList();
candidates = new List <string>();
WinnerLabel.Text = "None";
InvalidVotesLabel.Text = "0";
}
/// <summary>
/// Gets the result and displays these results to the user
/// </summary>
/// <param name="sender">The handle to the button</param>
/// <param name="e">The extra messages</param>
private void CountVotesButton_Click(object sender, EventArgs e)
{
// Make sure there's data to calculate
if (this.VotesGridView.Columns.Count > 1)
{
// Reset the lists to remove any existing data
allVotes = new VotesList();
candidates = new List <string>();
// Goes through and adds the candidates
foreach (DataGridViewColumn col in this.VotesGridView.Columns)
{
candidates.Add(col.Name);
}
// Goes through and adds the votes
for (int i = 0; i < VotesGridView.Rows.Count - 1; i++)
{
Vote vote = new Vote(); // Holds the current vote
// Goes through each cell and matches the candidate with the vote
foreach (DataGridViewCell cell in VotesGridView.Rows[i].Cells)
{
// If the cell is empty, then add a -1, this is important for counting invalid votes
if (cell.Value == null)
{
vote.Add(VotesGridView.Columns[cell.ColumnIndex].Name, -1);
}
else
{
int n;
// Checks for bad input
if (int.TryParse(cell.Value.ToString(), out n))
{
vote.Add(VotesGridView.Columns[cell.ColumnIndex].Name, n);
}
// If there's bad input
else
{
MessageBox.Show("Value must be a number");
return;
}
}
}
// Add the vote
allVotes.Add(vote);
}
Result finalResult = allVotes.calculateResult(candidates); // Calculate the result
// Checks for a result
if (finalResult != null)
{
// Displays the number of invalid votes
this.InvalidVotesLabel.Text = "" + finalResult.NumberOfInvalidVotes;
string winnerText = ""; // The text that displays which candidate won the vote
// If there's won winner, add the candidate to the string
if (finalResult.Winners.Count == 1)
{
winnerText = finalResult.Winners[0];
}
// If there's a tie, add each candidate to the string with corresponding English grammar
else
{
for (int i = 0; i < finalResult.Winners.Count; i++)
{
if (i == finalResult.Winners.Count - 1)
{
winnerText += finalResult.Winners[i] + " tie";
}
else
{
winnerText += finalResult.Winners[i] + " and ";
}
}
}
// Display the winner(s) and the chart
WinnerLabel.Text = winnerText;
Chart chart = new Chart(finalResult);
chart.ShowDialog();
}
}
// If there isn't enough candidates
else
{
MessageBox.Show("Must have at least 2 candidates", "Error");
}
}
public void Add <T>(T model)
{
var theType = model.GetType().Name;
switch (theType)
{
case "User": UsersList.Add(model as User); return;
case "News": NewsesList.Add(model as Dal.Models.News); return;
case "Category": CategoriesList.Add(model as Category); return;
case "Magazine": MagazinesList.Add(model as Magazine); return;
case "SmartLink": SmartLinksList.Add(model as SmartLink); return;
case "Comment": CommentsList.Add(model as Comment); return;
case "Visit": VisitsList.Add(model as Visit); return;
case "NewsLetter": NewsLettersList.Add(model as NewsLetter); return;
case "Slider": SlidersList.Add(model as Slider); return;
case "Slide": SlidesList.Add(model as Slide); return;
case "UserMagazine": UserMagazinesList.Add(model as UserMagazine); return;
case "State": StatesList.Add(model as State); return;
case "City": CitiesList.Add(model as City); return;
case "Media": MediasList.Add(model as Media); return;
case "Report": ReportsList.Add(model as Report); return;
case "Vote": VotesList.Add(model as Vote); return;
case "Advertise": AdvertisesList.Add(model as Advertise); return;
case "AdCategory": AdCategoriesList.Add(model as AdCategory); return;
case "Galery": GaleriesList.Add(model as Galery); return;
case "GaleryImage": GaleryImagesList.Add(model as GaleryImage); return;
case "Image": ImagesList.Add(model as Image); return;
case "KeyPoint": KeyPointsList.Add(model as KeyPoint); return;
case "KeyPointsContainer": KeyPointsContainersList.Add(model as KeyPointsContainer); return;
case "Quiz": QuizesList.Add(model as Quiz); return;
case "Question": QuestionsList.Add(model as Question); return;
case "Answer": AnswersList.Add(model as Answer); return;
case "Option": OptionList.Add(model as Option); return;
case "ItemList": ItemsListList.Add(model as ItemList); return;
default: throw new Exception("The type " + theType + " is not supported.");
}
}