/// <summary>
/// Filter items
/// </summary>
private void FilterItems()
{
// Clear displayed items
DisplayedItems.Clear();
// Do we have any items to filter?
if (Items.Count > 0)
{
// Iterate over all items
foreach (MItem item in Items)
{
// Do primary text contains searched word (filter) ?
if (item.PrimaryText.ToLower().Contains(_filter.ToLower()))
{
// Add item to displayed-items collection
DisplayedItems.Add(item);
}
}
}
// Redraw control
Invalidate(true);
// Force update component
Component.Outdated = true;
// Force update scroll-bar
Scrollbar.ForceUpdate();
// Call resize
OnResize(EventArgs.Empty);
// Refresh control
Refresh();
}
public void UpdateDisplayedItems()
{
DisplayedItems.Clear();
if (_selectedItem != null)
{
LoadSelectedItemToDisplayedItems();
}
else
{
LoadSelectedSupplierItemsToDisplayedItems();
}
}
private void ChangePage(int newPage)
{
if (newPage >= 1 && newPage <= PageCount)
{
CurrentPage = newPage;
DisplayedItems.Clear();
foreach (T item in _items.Take(CurrentPage * PageSize).Skip((CurrentPage - 1) * PageSize))
{
DisplayedItems.Add(item);
}
StateHasChanged();
}
}
private void RefreshItems()
{
IEnumerable <T> items = Items.ToList();
if (SortFunction is not null && !string.IsNullOrWhiteSpace(_sortColumn))
{
items = SortFunction(items, _sortColumn, _sortAscending);
}
if (FilterFunction is not null && !string.IsNullOrWhiteSpace(_filter))
{
items = FilterFunction(items, _filter);
}
_items = items;
if (Paginate)
{
PageCount = (int)Math.Ceiling(1.0 * _items.Count() / PageSize);
if (PageCount <= 0)
{
DisplayedItems.Clear();
}
else
{
ChangePage(Math.Clamp(CurrentPage, 1, PageCount));
}
}
else
{
DisplayedItems.Clear();
foreach (T game in _items)
{
DisplayedItems.Add(game);
}
}
StateHasChanged();
}
/// <summary>
/// Clears both Items and DisplayedItems collections. Resets selected item property.
/// </summary>
public void Clear()
{
// Reset selected item
SelectedItem = null;
// Clear items
Items.Clear();
// Clear displayed items
DisplayedItems.Clear();
// Redraw control
Invalidate(true);
// Force update component
Component.Outdated = true;
// Force update scroll-bar
Scrollbar.ForceUpdate();
// Refresh control
Refresh();
}