/// <summary>
/// Handle the delete member button click event.
/// </summary>
/// <param name="sender"></param>
/// <param name="args"></param>
private void OnDeleteMemberButton(object sender, RoutedEventArgs args)
{
Team team = (Team)TeamSelectionComboBox.SelectedItem;
MemberTab memberTab = (MemberTab)MemberTypeTabControl.SelectedItem;
// Find a child data-grid of the tab control
DataGrid membersDataGrid = (DataGrid)MemberTypeTabControl.GetChildren().Find(control => control is DataGrid);
// If we haven't selecting anything in the data grid, we can't remove anything
if (membersDataGrid.SelectedItem == null)
{
return;
}
int currentSelectedIndex = membersDataGrid.SelectedIndex;
team.RemoveMember(memberTab.MemberType, (Member)membersDataGrid.SelectedItem);
if (currentSelectedIndex == membersDataGrid.Items.Count)
{
currentSelectedIndex -= 1;
}
membersDataGrid.SelectedIndex = currentSelectedIndex;
}
/// <summary>
/// Handle the filter button click.
/// </summary>
/// <param name="sender"></param>
/// <param name="args"></param>
private void OnFilterButtonClick(object sender, RoutedEventArgs args)
{
MainWindowDataContext dataContext = (MainWindowDataContext)DataContext;
dataContext.IsFilterActive = true;
// Sort data and then search by name
PropertyInfo filterProperty = (PropertyInfo)PropertySortComboBox.SelectedItem;
MemberTab tab = (MemberTab)MemberTypeTabControl.SelectedItem;
bool sortAscending = SortAscendingCheckbox.IsChecked != null && SortAscendingCheckbox.IsChecked.Value;
// Local predicate function to facilitate order-by property
object SortSelector(Member element) => filterProperty.GetValue(element, null);
IEnumerable <Member> filterData = sortAscending ? tab.Data.OrderBy(SortSelector) : tab.Data.OrderByDescending(SortSelector);
string nameQuery = SearchTextbox.Text.ToLower();
if (!string.IsNullOrEmpty(nameQuery))
{
// Check if the first name, last name, first + last name, or last + first name contain the query string
filterData = filterData.Where(element => element.FirstName.ToLower().Contains(nameQuery) ||
element.LastName.ToLower().Contains(nameQuery) ||
string.Join(" ", element.LastName, element.FirstName).ToLower().Contains(nameQuery) ||
string.Join(" ", element.FirstName, element.LastName).ToLower().Contains(nameQuery));
}
DataGrid membersDataGrid = (DataGrid)MemberTypeTabControl.GetChildren().Find(control => control is DataGrid);
membersDataGrid.ItemsSource = filterData;
}
/// <summary>
/// Handle the clear filter button click.
/// </summary>
/// <param name="sender"></param>
/// <param name="args"></param>
private void OnClearFilterButtonClick(object sender, RoutedEventArgs args)
{
MainWindowDataContext dataContext = (MainWindowDataContext)DataContext;
dataContext.IsFilterActive = false;
MemberTab tab = (MemberTab)MemberTypeTabControl.SelectedItem;
DataGrid membersDataGrid = (DataGrid)MemberTypeTabControl.GetChildren().Find(control => control is DataGrid);
membersDataGrid.ItemsSource = tab.Data;
}
/// <summary>
/// Handle the new member button click event.
/// </summary>
/// <param name="sender"></param>
/// <param name="args"></param>
private void OnNewMemberButton(object sender, RoutedEventArgs args)
{
Team team = (Team)TeamSelectionComboBox.SelectedItem;
MemberTab memberTab = (MemberTab)MemberTypeTabControl.SelectedItem;
Member newMember = (Member)Activator.CreateInstance(memberTab.MemberType);
team.AddMember(memberTab.MemberType, newMember);
// Find a child data-grid of the tab control
DataGrid membersDataGrid = (DataGrid)MemberTypeTabControl.GetChildren().Find(control => control is DataGrid);
membersDataGrid.SelectedItem = newMember;
membersDataGrid.ScrollIntoView(newMember);
}
/// <summary>
/// Handle the member tab control selection changed event.
/// </summary>
/// <param name="sender"></param>
/// <param name="args"></param>
private void OnMemberTabControlSelectionChanged(object sender, SelectionChangedEventArgs args)
{
if (!(args.Source is TabControl))
{
return;
}
MemberTab tab = (MemberTab)MemberTypeTabControl.SelectedItem;
if (tab != null)
{
PropertySortComboBox.ItemsSource = MemberTabControlContentTemplateSelector.GetMemberAttributes(tab.MemberType);
PropertySortComboBox.SelectedItem = PropertySortComboBox.Items[0];
}
else
{
PropertySortComboBox.ItemsSource = null;
}
MainWindowDataContext dataContext = (MainWindowDataContext)DataContext;
dataContext.IsFilterActive = false;
}