public static ListCollectionView GetCategoriesView(OnlineVideosMainWindow window, IList <OnlineVideos.Category> categories, string preselectedCategoryName = null)
{
int? indexToSelect = null;
List <Category> convertedCategories = new List <Category>();
int i = 0;
if (categories != null)
{
foreach (var c in categories)
{
if (preselectedCategoryName != null && c.Name == preselectedCategoryName)
{
indexToSelect = i;
}
convertedCategories.Add(new Category(c));
i++;
}
}
ListCollectionView view = new ListCollectionView(convertedCategories)
{
Filter = new Predicate <object>(cat => (((Category)cat).Name ?? "").ToLower().Contains(window.CurrentFilter))
};
if (indexToSelect != null)
{
view.MoveCurrentToPosition(indexToSelect.Value);
}
return(view);
}
private void ReloadItems(bool isInitialLoad)
{
// Record the current item
var currentItem = _listCollectionView.CurrentItem as ServerInfoViewModel;
int?selectedIndex = null;
if (isInitialLoad)
{
selectedIndex = 0;
}
else if (currentItem != null)
{
var index = Array.FindIndex(_servers.ToArray(), i => string.Equals(i.Id, currentItem.Server.Id));
if (index != -1)
{
selectedIndex = index;
}
}
_listItems.Clear();
_listItems.AddRange(_servers.Select(i => new ServerInfoViewModel()
{
Server = i
}));
if (selectedIndex.HasValue)
{
ListCollectionView.MoveCurrentToPosition(selectedIndex.Value);
}
}
public ChangeCarParentDialog(CarObject car)
{
InitializeComponent();
DataContext = this;
Buttons = new[] {
OkButton,
CreateExtraDialogButton(ControlsStrings.CarParent_MakeIndependent, () => {
Car.ParentId = null;
Close();
}),
CancelButton
};
Car = car;
Filter = car.Brand == null ? "" : @"brand:" + car.Brand;
CarsListView = new ListCollectionView(CarsManager.Instance.Loaded.Where(x => x.ParentId == null && x.Id != Car.Id).ToList())
{
CustomSort = this
};
UpdateFilter();
if (car.Parent == null)
{
CarsListView.MoveCurrentToPosition(0);
}
else
{
CarsListView.MoveCurrentTo(car.Parent);
}
Closing += CarParentEditor_Closing;
}
public static ListCollectionView GetSitesView(OnlineVideosMainWindow window, string preselectedSiteName = null)
{
int? indexToSelect = null;
List <Site> convertedSites = new List <Site>();
int i = 0;
foreach (var s in OnlineVideos.OnlineVideoSettings.Instance.SiteUtilsList.Values)
{
if (preselectedSiteName != null && s.Settings.Name == preselectedSiteName)
{
indexToSelect = i;
}
convertedSites.Add(new Site(s));
i++;
}
ListCollectionView view = new ListCollectionView(convertedSites)
{
Filter = new Predicate <object>(s => ((ViewModels.Site)s).Name.ToLower().Contains(window.CurrentFilter)),
};
if (indexToSelect != null)
{
view.MoveCurrentToPosition(indexToSelect.Value);
}
return(view);
}
private void EnsureActiveStreamIsVisible()
{
var xxx = _listItems.FirstOrDefault(i => i.IsActive);
var activeItemIndex = _listItems.IndexOf(_listItems.FirstOrDefault(i => i.IsActive));
Debug.WriteLine(String.Format("Ensure Active Stream is Visible {0} {1}", xxx.Name, activeItemIndex));
_presentationManager.Window.Dispatcher.InvokeAsync(() => ListCollectionView.MoveCurrentToPosition(activeItemIndex));
}
private void Load(int POS)
{
//ListCollectionView zur übergebenen Postition
List <Produkte> PListe = ctx.Produkte.ToList();
ListCollectionView = new ListCollectionView(PListe);
ListCollectionView.MoveCurrentToPosition(POS);
ParentGrid.DataContext = ListCollectionView;
}
public CustomerListModel(List <Customer> data)
{
_data = data;
_customers = (ListCollectionView)CollectionViewSource.GetDefaultView(_data);
_customers.Filter = FilterCustomers;
_customers.CurrentChanged += CustomerChanged;
_customers.CustomSort = new CustomerSorter();
_customers.MoveCurrentToPosition(-1);
}
private void RefreshTemplates()
{
try
{
var templates = _templateService.LoadTemplates(_localTemplateFolder);
bool restore = Templates != null;
int savedPos = 0;
if (restore)
{
Templates.CurrentChanged -= TemplatesOnCurrentChanged;
Templates.Filter = null;
// Save state of ListCollectionView to restore later.
savedPos = Templates.CurrentPosition;
}
_templatesSource = new ObservableCollection <TemplateDialogViewModel>(templates.Select(t => TemplateDialogViewModel.CreateFrom(Container, t)));
Templates = new ListCollectionView(_templatesSource)
{
Filter = TemplateFilter
};
Templates.CurrentChanged += TemplatesOnCurrentChanged;
if (restore)
{
if (Templates.Count > savedPos)
{
Templates.MoveCurrentToPosition(savedPos);
}
}
else if (Templates.Count > 0)
{
Templates.MoveCurrentToPosition(0);
}
RefreshFrameworksFilter();
}
catch (Exception)
{
throw;
}
}
private void Button_Click(object sender, RoutedEventArgs e)
{
MyClass selectedItem = this.lb.SelectedItem as MyClass;
int index = this.items.IndexOf(selectedItem);
this.items[index] = new MyClass()
{
Name = "NewItem" + ctr++.ToString()
};
lcv.MoveCurrentToPosition(index);
}
internal void SetData(ObservableCollection <DataEntry> value)
{
_allDataEntries = new ObservableCollection <DataEntry>(value);
_allDataEntries.Insert(0, _replaceAllDataEntries[0]);
CollectionView = (ListCollectionView)CollectionViewSource.GetDefaultView(_allDataEntries);
if (_allDataEntries.Count > 0)
{
CollectionView.MoveCurrentToPosition(0);
}
RaisePropertyChanged(nameof(CollectionView));
}
/// <summary>
/// Constructor.
/// </summary>
/// <param name="mainViewModel">The primary view model of the program.</param>
public ManageVotesWindow(MainViewModel mainViewModel)
{
InitializeComponent();
MainViewModel = mainViewModel;
MainViewModel.PropertyChanged += MainViewModel_PropertyChanged;
// Create filtered, sortable views into the collection for display in the window.
VoteView1 = new ListCollectionView(MainViewModel.AllVotesCollection);
VoteView2 = new ListCollectionView(MainViewModel.AllVotesCollection);
if (VoteView1.CanSort)
{
IComparer voteCompare = new CustomVoteSort();
//IComparer voteCompare = StringComparer.InvariantCultureIgnoreCase;
VoteView1.CustomSort = voteCompare;
VoteView2.CustomSort = voteCompare;
}
if (VoteView1.CanFilter)
{
VoteView1.Filter = (a) => FilterVotes1(a.ToString());
VoteView2.Filter = (a) => FilterVotes2(a.ToString());
}
// Initialize starting selected positions
VoteView1.MoveCurrentToPosition(-1);
VoteView2.MoveCurrentToFirst();
// Create filtered views for display in the window.
VoterView1 = new ListCollectionView(MainViewModel.AllVotersCollection);
VoterView2 = new ListCollectionView(MainViewModel.AllVotersCollection);
VoterView1.Filter = (a) => FilterVoters(VoteView1, a.ToString());
VoterView2.Filter = (a) => FilterVoters(VoteView2, a.ToString());
// Update the voters to match the votes.
VoterView1.Refresh();
VoterView2.Refresh();
// Populate the context menu with known tasks.
CreateContextMenuCommands();
InitKnownTasks();
UpdateContextMenu();
// Set the data context for binding.
DataContext = this;
Filter1String = "";
Filter2String = "";
}
public InventoryAreasViewModel()
{
InventoryAreaCollectionView = Application.Current.Resources["InventoryAreaCollectionView"] as ListCollectionView;
InventoryAreaCollectionView.MoveCurrentToPosition(0);
//InventoryAreaUIView = new List<InventoryContentsView>();
//foreach (InventoryArea box in InventoryAreaCollectionView.SourceCollection as IList<InventoryArea>)
//{
// InventoryContentsView boxview = new InventoryContentsView();
// boxview.DataContext = box;
// InventoryAreaUIView.Add(boxview);
//}
}
internal void SetData(ObservableCollection <DataEntry> value)
{
if (_dataEntries == value)
{
return;
}
_dataEntries = value;
CollectionView = (ListCollectionView)CollectionViewSource.GetDefaultView(_dataEntries);
if (_dataEntries.Count > 0)
{
CollectionView.MoveCurrentToPosition(0);
}
RaisePropertyChanged(nameof(CollectionView));
}
public StationSelectorViewModel()
{
StationsView = new ListCollectionView(Environment.Stations);
StationsView.MoveCurrentToPosition(-1); // No selection by default plz
StationsView.CurrentChanged += (sender, e) => RaisePropertyChanged("SelectedStation");
StationsView.SortDescriptions.Add(new SortDescription("Star.Name", ListSortDirection.Ascending));
SelectAnyCommand = new RelayCommand(SelectAny);
SelectCurrentCommand = new RelayCommand(SelectCurrent, CanSelectCurrent);
Environment.CurrentSituation.PropertyChanged += CurrentSituation_PropertyChanged;
IsSelectAnyEnabled = true;
IsSelectCurrentEnabled = true;
}
private void SelectLineByIndex(int index)
{
if (diffLinesView == null)
{
return;
}
diffLinesView.MoveCurrentToPosition(index);
if (presenter == null)
{
return;
}
var item = diffLinesView.GetItemAt(index);
presenter.ScrollIntoView(item);
}
public DataSheetsHomeViewModel()
{
CommodityDetails = new CommodityDetailsViewModel();
PlaceDetails = new PlaceDetailsViewModel();
CommoditiesView = new ListCollectionView(Environment.Commodities);
CommoditiesView.GroupDescriptions.Add(new PropertyGroupDescription("Category"));
CommoditiesView.SortDescriptions.Add(new SortDescription("Name", ListSortDirection.Ascending));
CommoditiesView.CurrentChanged += CommoditiesViewCurrentChanged;
PlacesView = new ListCollectionView(Environment.Objects);
PlacesView.GroupDescriptions.Add(new PropertyGroupDescription("Star"));
PlacesView.SortDescriptions.Add(new SortDescription("Star.Name", ListSortDirection.Ascending));
PlacesView.SortDescriptions.Add(new SortDescription("Name", ListSortDirection.Ascending));
CommoditiesView.MoveCurrentToPosition(0);
PlacesView.CurrentChanged += PlacesViewCurrentChanged;
}
private async void ReloadUsers(bool isInitialLoad)
{
// Record the current item
var currentItem = _listCollectionView.CurrentItem as UserDtoViewModel;
var apiClient = SessionManager.ActiveApiClient;
try
{
var users = await apiClient.GetPublicUsersAsync();
int?selectedIndex = null;
if (isInitialLoad)
{
selectedIndex = 0;
}
else if (currentItem != null)
{
var index = Array.FindIndex(users, i => string.Equals(i.Id, currentItem.User.Id));
if (index != -1)
{
selectedIndex = index;
}
}
_listItems.Clear();
_listItems.AddRange(users.Select(i => new UserDtoViewModel(apiClient, ImageManager, SessionManager)
{
User = i
}));
if (selectedIndex.HasValue)
{
ListCollectionView.MoveCurrentToPosition(selectedIndex.Value);
}
AddCustomEntries();
}
catch (Exception)
{
PresentationManager.ShowDefaultErrorMessage();
}
}
/* コマンド、プロパティの定義にはそれぞれ
*
* lvcom : ViewModelCommand
* lvcomn : ViewModelCommand(CanExecute無)
* llcom : ListenerCommand(パラメータ有のコマンド)
* llcomn : ListenerCommand(パラメータ有のコマンド・CanExecute無)
* lprop : 変更通知プロパティ(.NET4.5ではlpropn)
*
* を使用してください。
*
* Modelが十分にリッチであるならコマンドにこだわる必要はありません。
* View側のコードビハインドを使用しないMVVMパターンの実装を行う場合でも、ViewModelにメソッドを定義し、
* LivetCallMethodActionなどから直接メソッドを呼び出してください。
*
* ViewModelのコマンドを呼び出せるLivetのすべてのビヘイビア・トリガー・アクションは
* 同様に直接ViewModelのメソッドを呼び出し可能です。
*/
/* ViewModelからViewを操作したい場合は、View側のコードビハインド無で処理を行いたい場合は
* Messengerプロパティからメッセージ(各種InteractionMessage)を発信する事を検討してください。
*/
/* Modelからの変更通知などの各種イベントを受け取る場合は、PropertyChangedEventListenerや
* CollectionChangedEventListenerを使うと便利です。各種ListenerはViewModelに定義されている
* CompositeDisposableプロパティ(LivetCompositeDisposable型)に格納しておく事でイベント解放を容易に行えます。
*
* ReactiveExtensionsなどを併用する場合は、ReactiveExtensionsのCompositeDisposableを
* ViewModelのCompositeDisposableプロパティに格納しておくのを推奨します。
*
* LivetのWindowテンプレートではViewのウィンドウが閉じる際にDataContextDisposeActionが動作するようになっており、
* ViewModelのDisposeが呼ばれCompositeDisposableプロパティに格納されたすべてのIDisposable型のインスタンスが解放されます。
*
* ViewModelを使いまわしたい時などは、ViewからDataContextDisposeActionを取り除くか、発動のタイミングをずらす事で対応可能です。
*/
/* UIDispatcherを操作する場合は、DispatcherHelperのメソッドを操作してください。
* UIDispatcher自体はApp.xaml.csでインスタンスを確保してあります。
*
* LivetのViewModelではプロパティ変更通知(RaisePropertyChanged)やDispatcherCollectionを使ったコレクション変更通知は
* 自動的にUIDispatcher上での通知に変換されます。変更通知に際してUIDispatcherを操作する必要はありません。
*/
public void Initialize()
{
// modelから情報の取得
model = new ExampleModel("Hello, world.");;
ExampleMessage = model.Text;
RevisionList revisions = new RevisionList();
allCommits = revisions.GetAllCommentList();
PendingCommits = new ListCollectionView(revisions.GetPendingCommentList());
BuildingCommits = new ListCollectionView(revisions.GetBuildingCommentList());
FailureCommits = new ListCollectionView(revisions.GetFailureCommentList());
PendingCommits.MoveCurrentToPosition(-1);
BuildingCommits.MoveCurrentToPosition(-1);
FailureCommits.MoveCurrentToPosition(-1);
}
public void SetPositionTicks(long ticks)
{
var newIndex = 0;
var chapters = Chapters.ToList();
for (var i = 0; i < chapters.Count; i++)
{
if (ticks >= chapters[i].Chapter.StartPositionTicks)
{
newIndex = i;
}
else
{
break;
}
}
ListCollectionView.MoveCurrentToPosition(newIndex);
}
public void Load(int pos)
{
//ListCollectionView zur übergebenen Postition
LieferList = ctx.Lieferer.ToList();
displaylist = new ListCollectionView(ctx.Lieferer.ToList());
displaylist.MoveCurrentToPosition(pos);
ParentGrid.DataContext = displaylist;
//Werte der ComboBox entsprechend anzeigen
if (LieferList[pos].LAnsprechpartner.AnspAnrede == "Herr")
{
cobxcustomizeDelivererAAnrede.SelectedIndex = 0;
}
else if (LieferList[pos].LAnsprechpartner.AnspAnrede == "Frau")
{
cobxcustomizeDelivererAAnrede.SelectedIndex = 1;
}
else
{
cobxcustomizeDelivererAAnrede.SelectedIndex = 2;
}
}
private void Load(int pos)
{
//Lasse das ListCollectionView an die übergebene Position gehen
KundenListe = ctx.Kunde.ToList();
displaylist = new ListCollectionView(ctx.Kunde.ToList());
displaylist.MoveCurrentToPosition(pos);
ParentGrid.DataContext = displaylist;
//Combobox Werte entsprechend anzeigen
if (KundenListe[pos].KAnsprechpartner.AnspAnrede == "Herr")
{
cobxcustomizeCustomerAAnrede.SelectedIndex = 0;
}
else if (KundenListe[pos].KAnsprechpartner.AnspAnrede == "Frau")
{
cobxcustomizeCustomerAAnrede.SelectedIndex = 1;
}
else
{
cobxcustomizeCustomerAAnrede.SelectedIndex = 2;
}
}
private void ReloadList(BaseItemDto item)
{
if (item == null)
{
_listItems.Clear();
return;
}
// Record the current item
var currentItem = _listCollectionView.CurrentItem as ItemPersonViewModel;
var people = item.People ?? new BaseItemPerson[] { };
people = people.Where(i => i.HasPrimaryImage).ToArray();
int?selectedIndex = null;
if (currentItem != null)
{
var index = Array.FindIndex(people, i => string.Equals(i.Name, currentItem.Name, StringComparison.OrdinalIgnoreCase));
if (index != -1)
{
selectedIndex = index;
}
}
_listItems.Clear();
_listItems.AddRange(people.Select(i => new ItemPersonViewModel(i, _apiClient, _imageManager)
{
ImageWidth = ImageWidth,
ImageHeight = ImageHeight
}));
if (selectedIndex.HasValue)
{
ListCollectionView.MoveCurrentToPosition(selectedIndex.Value);
}
}
/// <summary>
/// 選択中のモジュールを削除
/// </summary>
/// <param name="dataGrid"></param>
private void DeleteModules(DataGrid dataGrid)
{
var currPos = _CollectionView.CurrentPosition;
// モジュール数を編集した後に削除するとcurrPosが-1になる場合があるため、
// ここで最初に選択されている表示上のモジュールの要素番号を取得する
if (currPos == -1)
{
var cnt = 0;
foreach (var module in _CollectionView.OfType <ModulesGridItem>())
{
if (module.IsSelected)
{
currPos = cnt;
break;
}
cnt++;
}
}
var items = CollectionViewSource.GetDefaultView(_CollectionView)
.Cast <ModulesGridItem>()
.Where(x => x.IsSelected);
_ModulesInfo.Modules.RemoveRange(items);
// 削除後に全部の選択状態を外さないと余計なものまで選択される
foreach (var module in _ModulesInfo.Modules)
{
module.IsSelected = false;
}
// 選択行を設定
if (currPos < 0)
{
// 先頭行を削除した場合
_CollectionView.MoveCurrentToFirst();
}
else if (_CollectionView.Count <= currPos)
{
// 最後の行を消した場合、選択行を最後にする
_CollectionView.MoveCurrentToLast();
}
else
{
// 中間行の場合
_CollectionView.MoveCurrentToPosition(currPos);
}
// 再度選択
if (_CollectionView.CurrentItem is ModulesGridItem item)
{
item.IsSelected = true;
}
// セルフォーカス
if (dataGrid.CurrentCell.Column is not null)
{
CellFocusCommand?.Execute(new Tuple <DataGrid, int, int>(dataGrid, _CollectionView.CurrentPosition, dataGrid.CurrentCell.Column.DisplayIndex));
}
}
public bool MoveCurrentToPosition(int position)
{
return(view.MoveCurrentToPosition(position));
}
/// <summary>
/// Constructor.
/// </summary>
/// <param name="mainViewModel">The primary view model of the program.</param>
public ManageVotesWindow(ViewModel mainViewModel, IoCNavigationService navigationService, ILogger <ManageVotesWindow> logger)
{
this.mainViewModel = mainViewModel;
this.navigationService = navigationService;
this.logger = logger;
InitializeComponent();
this.mainViewModel.PropertyChanged += MainViewModel_PropertyChanged;
// Create filtered, sortable views into the collection for display in the window.
VoteView1 = new ListCollectionView(this.mainViewModel.AllVotesCollection);
VoteView2 = new ListCollectionView(this.mainViewModel.AllVotesCollection);
PropertyGroupDescription groupDescription = new PropertyGroupDescription("Category");
VoteView1.GroupDescriptions.Add(groupDescription);
VoteView2.GroupDescriptions.Add(groupDescription);
if (VoteView1.CanSort && VoteView2.CanSort)
{
IComparer voteCompare = new CustomVoteSort();
VoteView1.CustomSort = voteCompare;
VoteView2.CustomSort = voteCompare;
}
if (VoteView1.CanFilter && VoteView2.CanFilter)
{
VoteView1.Filter = (a) => FilterVotes(Filter1String, a as VoteLineBlock);
VoteView2.Filter = (a) => FilterVotes(Filter2String, a as VoteLineBlock);
}
// Initialize starting selected positions
VoteView1.MoveCurrentToPosition(-1);
VoteView2.MoveCurrentToFirst();
// Create filtered views for display in the window.
VoterView1 = new ListCollectionView(this.mainViewModel.AllVotersCollection);
VoterView2 = new ListCollectionView(this.mainViewModel.AllVotersCollection);
VoterView1.CustomSort = Comparer.Default;
VoterView2.CustomSort = Comparer.Default;
VoterView1.Filter = (a) => FilterVoters(VoteView1, a as Origin);
VoterView2.Filter = (a) => FilterVoters(VoteView2, a as Origin);
// Update the voters to match the votes.
VoterView1.Refresh();
VoterView2.Refresh();
// Populate the context menu with known tasks.
CreateContextMenuCommands();
InitKnownTasks();
UpdateContextMenu();
// Set the data context for binding.
DataContext = this;
Filter1String = "";
Filter2String = "";
}
public bool MoveCurrentToPosition(int position)
{
return(_collectionView.MoveCurrentToPosition(position));
}
private async Task ReloadItems(bool isInitialLoad)
{
if (HasIndexOptions && CurrentIndexOption == null)
{
return;
}
if (ShowLoadingAnimation)
{
_presentationManager.ShowLoadingAnimation();
}
try
{
var result = await _getItemsDelegate(this);
var items = result.Items;
int?selectedIndex = null;
if (isInitialLoad && AutoSelectFirstItem)
{
selectedIndex = 0;
}
MedianPrimaryImageAspectRatio = result.Items.MedianPrimaryImageAspectRatio();
_listItems.Clear();
var imageTypes = GetPreferredImageTypes();
var childWidth = Convert.ToInt32(ImageDisplayWidth);
var imageDisplayHeight = Convert.ToInt32(GetImageDisplayHeight());
var viewModels = items.Select(
i =>
{
var vm = new ItemViewModel(_apiClient, _imageManager, _playbackManager,
_presentationManager, _logger, _serverEvents)
{
DownloadPrimaryImageAtExactSize = DownloadImageAtExactSize ?? IsCloseToMedianPrimaryImageAspectRatio(i),
ImageHeight = imageDisplayHeight,
ImageWidth = childWidth,
Item = i,
ViewType = ViewType,
DisplayName = DisplayNameGenerator == null ? i.Name : DisplayNameGenerator(i),
DownloadImagesAtExactSize = DownloadImageAtExactSize ?? true,
PreferredImageTypes = imageTypes,
ListType = ListType,
ShowTitle = ShowTitle
};
var stretch = ImageStretch;
if (!stretch.HasValue && imageTypes.Length > 0)
{
var exact = imageTypes[0] == ImageType.Primary ? vm.DownloadPrimaryImageAtExactSize : vm.DownloadImagesAtExactSize;
stretch = exact ? Stretch.UniformToFill : Stretch.Uniform;
}
if (stretch.HasValue)
{
vm.ImageStretch = stretch.Value;
}
return(vm);
}
).ToList();
_listItems.AddRange(viewModels);
ItemCount = items.Length;
UpdateContainerSizes();
if (selectedIndex.HasValue)
{
ListCollectionView.MoveCurrentToPosition(selectedIndex.Value);
}
}
catch (Exception)
{
_presentationManager.ShowDefaultErrorMessage();
}
finally
{
if (ShowLoadingAnimation)
{
_presentationManager.HideLoadingAnimation();
}
}
}
