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ahjephson
2024-04-22 14:15:07 +01:00
parent ce7b627fa9
commit f9847c60f5
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153
Lantean.QBTMudBlade/Components/ExtendedTable.razor.cs Normal file
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using Microsoft.AspNetCore.Components;
using MudBlazor;
namespace Lantean.QBTMudBlade.Components
{
public partial class ExtendedTable<T> : MudTable<T>
{
[Parameter]
public IEnumerable<ColumnDefinition<T>>? ColumnDefinitions { get; set; }
[Parameter]
public HashSet<ColumnDefinition<T>> SelectedColumns { get; set; } = [];
private Func<T, object?>? _sortSelector;
private SortDirection _sortDirection;
private IEnumerable<string>? _selectedColumns;
protected override void OnParametersSet()
{
if (ColumnDefinitions is not null)
{
var activeColumns = GetActiveColummns(ColumnDefinitions);
ColGroup ??= ColGroupFragment(activeColumns);
HeaderContent ??= HeaderContentFragment(activeColumns);
RowTemplate ??= RowTemplateFragment(activeColumns);
_selectedColumns ??= ColumnDefinitions.Where(c => c.Enabled).Select(c => c.Id).ToList();
_sortSelector ??= ColumnDefinitions.First(c => c.Enabled).SortSelector;
Items = GetOrderedItems(Items, _sortSelector);
}
base.OnParametersSet();
}
private IEnumerable<T>? GetOrderedItems(IEnumerable<T>? items, Func<T, object?> sortSelector)
{
if (items is null)
{
return null;
}
return items.OrderByDirection(_sortDirection, sortSelector);
}
private void SetSort(Func<T, object?> sortSelector, SortDirection sortDirection)
{
_sortSelector = sortSelector;
_sortDirection = sortDirection;
}
private IEnumerable<ColumnDefinition<T>>? GetColumns()
{
if (ColumnDefinitions is null)
{
return null;
}
return GetActiveColummns(ColumnDefinitions);
}
private IEnumerable<ColumnDefinition<T>> GetActiveColummns(IEnumerable<ColumnDefinition<T>> columns)
{
if (_selectedColumns is null)
{
return columns;
}
return columns.Where(c => _selectedColumns.Contains(c.Id));
}
//private RenderFragment CreateColGroup()
//{
// return builder =>
// {
// var selectedColumns = GetColumns();
// if (selectedColumns is null)
// {
// return;
// }
// if (MultiSelection)
// {
// builder.OpenElement(0, "col");
// builder.CloseElement();
// }
// int sequence = 1;
// foreach (var width in selectedColumns.Select(c => c.Width))
// {
// builder.OpenElement(sequence++, "col");
// if (width.HasValue)
// {
// builder.AddAttribute(sequence++, "style", $"width: {width.Value}px");
// }
// builder.CloseElement();
// }
// };
//}
//private RenderFragment CreateHeaderContent()
//{
// return builder =>
// {
// var selectedColumns = GetColumns();
// if (selectedColumns is null)
// {
// return;
// }
// int sequence = 0;
// foreach (var columnDefinition in selectedColumns)
// {
// builder.OpenComponent<MudTh>(sequence);
// if (columnDefinition.SortSelector is not null)
// {
// builder.OpenComponent<MudTableSortLabel<T>>(sequence++);
// builder.AddAttribute(sequence++, "SortDirectionChanged", EventCallback.Factory.Create<SortDirection>(this, c => SetSort(columnDefinition.SortSelector, c)));
// RenderFragment childContent = b => b.AddContent(0, columnDefinition.Header);
// builder.AddAttribute(sequence++, "ChildContent", childContent);
// builder.CloseComponent();
// }
// else
// {
// RenderFragment childContent = b => b.AddContent(0, columnDefinition.Header);
// builder.AddAttribute(sequence++, "ChildContent", childContent);
// }
// builder.CloseComponent();
// }
// };
//}
//private RenderFragment<T> CreateRowTemplate()
//{
// return context => builder =>
// {
// var selectedColumns = GetColumns();
// if (selectedColumns is null)
// {
// return;
// }
// int sequence = 0;
// foreach (var columnDefinition in selectedColumns)
// {
// builder.OpenComponent<MudTd>(sequence++);
// builder.AddAttribute(sequence++, "DataLabel", columnDefinition.Header);
// builder.AddAttribute(sequence++, "Class", columnDefinition.Class);
// RenderFragment childContent = b => b.AddContent(0, columnDefinition.RowTemplate(columnDefinition.GetRowContext(context)));
// builder.AddAttribute(sequence++, "ChildContent", childContent);
// builder.CloseComponent();
// }
// };
//}
}
}