/*-----------------------------POPULATING FUNCTIONS-----------------------------*/
/// <summary>
/// set Year for which the subjects and grades are supposeed to be displayed
/// </summary>
/// <param name="sender">Chosen ComboBox element</param>
/// <param name="e"></param>
private async void listYearSelected(object sender, EventArgs e)
{
ComboBox cmb = (ComboBox)sender;
var selectedIndex = (int)cmb.SelectedIndex;
var item= (YearListItem)cmb.SelectedItem;
if (item.Clickable)
{
selectedYear = await years.GetOne(item.Id);
selectedYearListItem = new YearListItem(item.ToString(), item.Id, item.Clickable, item.Owned);
UpdateMainForm();
}
}
/// <summary>
/// Deletes a currently selected Year.
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private async void btnDeleteYear_Click(object sender, EventArgs e)
{
DialogResult dialogResult = MessageBox.Show("Are you sure you want to delete the currently selected year?", "Delete a Year", MessageBoxButtons.YesNo);
if (dialogResult == DialogResult.Yes)
{
await years.DeleteOne(selectedYear);
selectedYearListItem = null;
UpdateMainForm();
//exception after removing a year we move to next existing
}
else if (dialogResult == DialogResult.No)
{
}
}
/// <summary>
/// Updates the list of years.
/// </summary>
/// <returns>Returns Collection of years.</returns>
private async Task<ICollection<YearsViewModel>> UpdateYearList(){
currentUser = await users.GetUser(username);
listYear.Items.Clear();
listYear.Sorted = false;
//get list of years for user
var yearsList = await years.GetYears(username);
//Get groups from groupDetails
var groupDetailsList = await groupDetails.GetGroupDetailsForUser(currentUser.id);
if ((yearsList != null && yearsList.Count != 0) || (groupDetailsList != null && groupDetailsList.Count != 0))
{
//If it is not a visitor display all years from usr and groups otherwise
// otherwise display only years form a group it is being visited from
if (!visiting)
{
listYear.Items.Add(new YearListItem("Users Years"));
// populate with current user years
foreach (var year in yearsList)
{
YearListItem item = new YearListItem(year.name, year.id);
listYear.Items.Add(item);
}
var userGroups = currentUser.Groups;
foreach (var group in userGroups)
{
var groupYears = group.Years;
if (groupYears != null && groupYears.Count != 0)
{
//adding a separator with a name of the group
listYear.Items.Add(new YearListItem(group.name));
//listYear.Items.Add();
foreach (var year in groupYears)
{
YearListItem item;
if (group.owner_id == currentUser.id)
item = new YearListItem(year.name, year.id, true, true);
else
item = new YearListItem(year.name, year.id, true, false);
listYear.Items.Add(item);
}
}
}
} //else: for displaying only years from common group
else {
var groupYears = await years.GetYearsOfGroup(visitorGroupId);
foreach (var year in groupYears)
{
listYear.Items.Add(new YearListItem(year.name, year.id, true, false));
}
}
//Check if the form is being visited
if (visiting)
{
btnAddSubject.Enabled = false;
btnDeleteYear.Enabled = false;
btnEditYear.Enabled = false;
btnAddYear.Enabled = false;
}
else
{
//check If a year is displayed by an Owner
if (selectedYearListItem != null)
{
if (selectedYearListItem.Owned)
{
btnAddSubject.Enabled = true;
btnDeleteYear.Enabled = true;
btnEditYear.Enabled = true;
}
else
{
btnAddSubject.Enabled = false;
btnDeleteYear.Enabled = false;
btnEditYear.Enabled = false;
}
}
}
if (selectedYearListItem != null)
{
listYear.SelectedIndex = listYear.Items.IndexOf(selectedYearListItem);
//listYear.Text = selectedYear.name;
}
else
{
listYear.SelectedIndex = 0;
}
}
else
{
btnAddSubject.Enabled = false;
btnDeleteYear.Enabled = false;
btnEditYear.Enabled = false;
if (visiting) {
btnAddYear.Enabled = false;
}
}
return yearsList;
}
