FeedCenter/Application/Options/BulkFeedWindow.xaml.cs

using FeedCenter.Data;
using System.Collections.Generic;
using System.ComponentModel;
using System.Linq;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Data;

namespace FeedCenter.Options;

public partial class BulkFeedWindow
{
    private List<CheckedListItem<Feed>> _checkedListBoxItems;
    private CollectionViewSource _collectionViewSource;

    public BulkFeedWindow()
    {
        InitializeComponent();
    }

    public void Display(Window window)
    {
        _checkedListBoxItems = new List<CheckedListItem<Feed>>();

        foreach (var feed in Database.Entities.Feeds)
            _checkedListBoxItems.Add(new CheckedListItem<Feed> { Item = feed });

        _collectionViewSource = new CollectionViewSource { Source = _checkedListBoxItems };
        _collectionViewSource.SortDescriptions.Add(new SortDescription("Item.Name", ListSortDirection.Ascending));
        _collectionViewSource.Filter += HandleCollectionViewSourceFilter;

        FilteredFeedsList.ItemsSource = _collectionViewSource.View;

        Owner = window;

        ShowDialog();
    }

    private void HandleCollectionViewSourceFilter(object sender, FilterEventArgs e)
    {
        var checkedListBoxItem = (CheckedListItem<Feed>) e.Item;

        var feed = checkedListBoxItem.Item;

        e.Accepted = feed.Link.Contains(FeedLinkFilterText.Text);
    }

    private void HandleFilterTextChanged(object sender, TextChangedEventArgs e)
    {
        _collectionViewSource.View.Refresh();
    }

    private void HandleOkButtonClick(object sender, RoutedEventArgs e)
    {
        Database.Entities.SaveChanges(() =>
        {
            foreach (var item in _checkedListBoxItems.Where(i => i.IsChecked))
            {
                if (OpenComboBox.IsEnabled)
                    item.Item.MultipleOpenAction = (MultipleOpenAction) ((ComboBoxItem) OpenComboBox.SelectedItem).Tag;
            }
        });

        DialogResult = true;
        Close();
    }

    private void HandleSelectAll(object sender, RoutedEventArgs e)
    {
        foreach (var viewItem in _collectionViewSource.View)
        {
            var checkedListItem = (CheckedListItem<Feed>) viewItem;

            checkedListItem.IsChecked = true;
        }
    }

    private void HandleSelectNone(object sender, RoutedEventArgs e)
    {
        foreach (var viewItem in _collectionViewSource.View)
        {
            var checkedListItem = (CheckedListItem<Feed>) viewItem;

            checkedListItem.IsChecked = false;
        }
    }

    private void HandleSelectInvert(object sender, RoutedEventArgs e)
    {
        foreach (var viewItem in _collectionViewSource.View)
        {
            var checkedListItem = (CheckedListItem<Feed>) viewItem;

            checkedListItem.IsChecked = !checkedListItem.IsChecked;
        }
    }
}