void flattener_CollectionChanged(object sender, NotifyCollectionChangedEventArgs e)
{
// Deselect nodes that are being hidden, if any remain in the tree
if (e.Action == NotifyCollectionChangedAction.Remove && Items.Count > 0)
{
List <SharpTreeNode> selectedOldItems = null;
foreach (SharpTreeNode node in e.OldItems)
{
if (node.IsSelected)
{
if (selectedOldItems == null)
{
selectedOldItems = new List <SharpTreeNode>();
}
selectedOldItems.Add(node);
}
}
if (selectedOldItems != null)
{
var list = SelectedItems.Cast <SharpTreeNode>().Except(selectedOldItems).ToList();
SetSelectedItems(list);
if (SelectedItem == null)
{
// if we removed all selected nodes, then move the focus to the node
// preceding the first of the old selected nodes
SelectedIndex = Math.Max(0, e.OldStartingIndex - 1);
FocusNode((SharpTreeNode)SelectedItem);
}
}
}
}
private async void OnPlaySelectedCommand()
{
_appLoaderService.Show();
await Task.Run(async() =>
{
var tracks = SelectedItems.Cast <T>().ToList();
PrepareTracksBeforePlay(tracks);
_playerService.IsShuffleMode = false;
if (_maxPlayingTracks != -1 && tracks.Count > _maxPlayingTracks)
{
int newIndex = 0;
var newTracks = tracks.GetFromCentre(0, _maxPlayingTracks, out newIndex);
PrepareTracksBeforePlay(newTracks);
await _playerService.PlayNewTracks(newTracks.Select(t => ConvertToPlayerTrack(t)), newIndex);
}
else
{
PrepareTracksBeforePlay(tracks);
await _playerService.PlayNewTracks(tracks.Select(t => ConvertToPlayerTrack(t)), 0);
}
});
_navigationService.Navigate("PlayerView", null);
_appLoaderService.Hide();
}
private async Task OnArchiveFavorite()
{
if (SelectedItems?.Count == 0)
{
return;
}
bool canNavigate = await NavigationManager.CanPopUpNavigateAsync <ChoiceModalViewModel>();
if (canNavigate)
{
var action = new Action(async() =>
{
var items = SelectedItems.Cast <FavoritedAnime>().ToList();
SelectedItems.Clear();
var favoriteCollection = App.liteDB.GetCollection <FavoritedAnime>();
foreach (var item in items)
{
item.IsArchived = !item.IsArchived;
item.CanGenerateNotifications = false;
favoriteCollection.Update(item.Anime.MalId, item);
}
var collection = await ConstructGroupedCollectionAsync();
_originalCollection = collection;
GroupedFavoriteByWeekList.ReplaceRange(_originalCollection);
});
await NavigationManager.NavigatePopUpAsync <ChoiceModalViewModel>(Lang.Lang.Shelving, Lang.Lang.ShelvingMessage, action);
}
}
void flattener_CollectionChanged(object sender, NotifyCollectionChangedEventArgs e)
{
// Deselect nodes that are being hidden
if (e.Action == NotifyCollectionChangedAction.Remove)
{
List <SharpTreeNode> selectedOldItems = null;
foreach (SharpTreeNode node in e.OldItems)
{
if (node.IsSelected)
{
if (selectedOldItems == null)
{
selectedOldItems = new List <SharpTreeNode>();
}
selectedOldItems.Add(node);
}
}
if (selectedOldItems != null)
{
var list = SelectedItems.Cast <SharpTreeNode>().Except(selectedOldItems).ToList();
SetSelectedItems(list);
}
// reset the focus to the previous node
SelectedIndex = Math.Max(0, e.OldStartingIndex - 1);
if (SelectedItem != null)
{
FocusNode((SharpTreeNode)SelectedItem);
}
}
}
private void ScrollViewerScrollChanged(object sender, ScrollChangedEventArgs e)
{
if (Math.Abs(e.VerticalChange) < 1e-3 && Math.Abs(e.HorizontalChange) < 1e-3)
{
return;
}
if (!ReferenceEquals(e.OriginalSource, scrollViewer))
{
return;
}
var selectedItem = SelectedItems
.Cast <object>()
.LastOrDefault();
if (selectedItem == null)
{
return;
}
var selectedContainer = (EditableContentListBoxItem)ItemContainerGenerator.ContainerFromItem(selectedItem);
if (selectedContainer == null)
{
return;
}
selectedContainer.IsEditing = false;
}
private void ColorSelect_Impl(int selectedColor)
{
if (SelectedItem is not null)
{
bool anyChanged = false;
bool fileWasDirty = FileDirty;
var editedShowlights = SelectedItems.Cast <ShowLightViewModel>().ToArray();
var oldShowlights = new List <(ShowLightViewModel, int)>();
foreach (var sl in editedShowlights)
{
if (sl.Note == selectedColor)
{
continue;
}
anyChanged = true;
oldShowlights.Add((sl, sl.Note));
sl.Note = (byte)selectedColor;
}
if (!anyChanged)
{
return;
}
var undo = new UndoEdit(oldShowlights, selectedColor);
scrollIntoView.OnNext(editedShowlights[0]);
UndoManager.AddUndo(undo, fileWasDirty);
}
}
/// <summary>
/// Manually select the items...
/// </summary>
/// <param name="e">SelectionChangedEventArgs</param>
protected override void OnSelectionChanged(SelectionChangedEventArgs e)
{
base.OnSelectionChanged(e);
bool isVirtualizing = VirtualizingPanel.GetIsVirtualizing(this);
bool isMultiSelect = (SelectionMode != SelectionMode.Single);
if (isVirtualizing && isMultiSelect)
{
var newSelectedItems = SelectedItems.Cast <IScrobbableObjectViewModel>();
foreach (var deselectedItem in selectedItems.Except(newSelectedItems))
{
deselectedItem.UpdateIsSelectedSilent(false);
}
selectedItems.Clear();
selectedItems.AddRange(newSelectedItems);
foreach (var newlySelectedItem in selectedItems)
{
newlySelectedItem.UpdateIsSelectedSilent(true);
}
// todo: kinda hacky way to update the view...
var lastItem = selectedItems.LastOrDefault();
if (lastItem != null)
{
lastItem.IsSelected = true;
}
}
}
// Fast implementation to remove the currently selected articles from the list, making use of List.Except method
// As list is implicitly deduplicated, only use for main listbox if remove duplicates option is on
private void RemoveSelectedNew()
{
List <Article> articles = Items.Cast <Article>().ToList();
List <Article> Sarticles = SelectedItems.Cast <Article>().ToList();
Items.Clear();
Items.AddRange(articles.Except(Sarticles).ToArray());
}
private void HandleMouseMove(object sender, MouseEventArgs e)
{
if (e.Button == MouseButtons.Left)
{
List <string> characterIds = SelectedItems.Cast <string>().ToList();
DoDragDrop(characterIds, DragDropEffects.Move);
}
}
/// <summary>
/// Raises the <see cref="E:System.Windows.Forms.Control.DragOver"/> event.
/// </summary>
/// <param name="e">A <see cref="T:System.Windows.Forms.DragEventArgs"/> that contains the event data. </param>
protected override void OnDragOver(DragEventArgs e)
{
base.OnDragOver(e);
Skill dragSkill = GetDraggingSkill(e);
if (dragSkill != null)
{
return;
}
if (!AllowRowReorder)
{
e.Effect = DragDropEffects.None;
ClearDropMarker();
return;
}
if (!e.Data.GetDataPresent(DataFormats.Text))
{
e.Effect = DragDropEffects.None;
ClearDropMarker();
return;
}
Point cp = PointToClient(new Point(e.X, e.Y));
ListViewItem hoverItem = GetItemAt(cp.X, cp.Y);
if (hoverItem == null)
{
e.Effect = DragDropEffects.None;
ClearDropMarker();
return;
}
if (SelectedItems.Cast <ListViewItem>().Any(moveItem => moveItem.Index == hoverItem.Index))
{
e.Effect = DragDropEffects.None;
hoverItem.EnsureVisible();
ClearDropMarker();
return;
}
base.OnDragOver(e);
String text = (String)e.Data.GetData(Reorder.GetType());
if (String.Compare(text, Reorder, StringComparison.CurrentCulture) == 0)
{
e.Effect = DragDropEffects.Move;
hoverItem.EnsureVisible();
Rectangle hoverBounds = hoverItem.GetBounds(ItemBoundsPortion.ItemOnly);
DrawDropMarker(hoverItem.Index, cp.Y > hoverBounds.Top + hoverBounds.Height / 2);
}
else
{
e.Effect = DragDropEffects.None;
ClearDropMarker();
}
}
private void RemoveSelectedItems()
{
var values = SelectedItems.Cast <SongEntity>().ToList().ConvertAll(x => PlayingList.IndexOf(x)).OrderByDescending(x => x).ToList();
foreach (int mi in values)
{
PlayingList.RemoveAt(mi);
}
}
private void UpdateText()
{
string newValue = String.Join(Delimiter, SelectedItems.Cast <object>().Select(x => GetItemDisplayValue(x).ToString()).ToArray());
if (String.IsNullOrEmpty(Text) || !Text.Equals(newValue))
{
Text = newValue;
}
}
/// <summary>
/// Opens the containing folder for all the selected files.
/// </summary>
private void OpenFolderImpl()
{
if (SelectedItems is not null)
{
foreach (string path in SelectedItems.Cast <XMLProcessor>().Select(x => x.XMLFileFullPath).Distinct())
{
Path.GetDirectoryName(path)?.StartAsProcess();
}
}
}
private string GetFilterQuickLink(string filter)
{
if (string.IsNullOrEmpty(filter))
{
return(string.Empty);
}
var newFilter = filter;
var pattern = new Regex(@"\[(?<val>.*?)\]", RegexOptions.Compiled | RegexOptions.Singleline);
foreach (Match m in pattern.Matches(newFilter))
{
var str = m.Groups["val"].Value;
var pattern2 = new Regex(@"\$(?<val>.*?)(\s|'|$)", RegexOptions.Compiled | RegexOptions.Singleline);
var strNew = string.Empty;
foreach (var m2 in pattern2.Matches(str).Cast <Match>())
{
var propName = m2.Groups["val"].Value;
if (string.IsNullOrEmpty(propName))
{
continue;
}
var isQuote = str.Contains(string.Format("'${0}'", propName));
var values = new List <string>();
var sb = str.Contains('=') ? new StringBuilder(str.Substring(0, str.IndexOf('=')) + " IN (") : new StringBuilder("(");
foreach (var strValue in SelectedItems.Cast <WMSBusinessObject>().Select(item => item.GetProperty(propName)).
Select(i => CheckValue(i, isQuote)).Where(strValue => values.FirstOrDefault(strValue.Equals) == null))
{
var typeParam = TypeDescriptor.GetProperties(SelectedItems.FirstOrDefault()).Find(propName, true).PropertyType;
//TODO: сделать правильную обработку null полей
if (strValue.Contains("NULL") && values.Contains("'NULL'"))
{
continue;
}
var strParam = strValue == "NULL" && typeParam.IsAssignableFrom(typeof(string)) ? "'NULL'" : strValue;
values.Add(strParam);
if (values.Count == 1)
{
sb.Append(strParam);
}
else
{
sb.Append(",").Append(strParam);
}
}
strNew = strNew + sb.Append(")");
}
newFilter = newFilter.Replace(string.Format("[{0}]", str), strNew);
}
return(newFilter);
}
protected override void OnPreviewKeyDown(KeyEventArgs e)
{
base.OnKeyUp(e);
// Only if at least one item is selected, shift is held, and up or down is pressed, we want to execute a move
if (SelectedItem != null && Keyboard.Modifiers == ModifierKeys.Shift && (e.Key == Key.Up || e.Key == Key.Down))
{
TrackList <AudioTrack> itemsSource = (TrackList <AudioTrack>)ItemsSource;
// Get the selected tracks ordered by their position
var selectedTracks = new List <AudioTrack>(SelectedItems.Cast <AudioTrack>().OrderBy(t => itemsSource.IndexOf(t)));
int delta = 0; // The delta to the new index after moving (no moving if zero)
if (e.Key == Key.Up)
{
// Check the index of the first key and see if it can be moved upwards
int oldIndex = itemsSource.IndexOf(selectedTracks.First());
delta = Math.Max(0, oldIndex - 1) - oldIndex;
}
else if (e.Key == Key.Down)
{
// Check the index of the last key and see if it can be moved downwards
int oldIndex = itemsSource.IndexOf(selectedTracks.Last());
delta = Math.Min(itemsSource.Count - 1, oldIndex + 1) - oldIndex;
}
if (delta != 0)
{
if (delta > 0)
{
// When moving down, the sequence of the moves must be in the opposite direction
// beginning with the last one, else it somehow locks up and movement does not work.
selectedTracks.Reverse();
}
// Move items
selectedTracks.ForEach(t => {
int oldIndex = itemsSource.IndexOf(t);
itemsSource.Move(oldIndex, oldIndex + delta);
});
// Refocus on the moved selected item because it loses focus during the move
// http://stackoverflow.com/a/10463162
ListBoxItem listBoxItem = (ListBoxItem)multiTrackListBox.ItemContainerGenerator
.ContainerFromItem(multiTrackListBox.SelectedItem);
listBoxItem.Focus();
RefreshAdornerLayer();
}
e.Handled = true;
}
}
internal void HandleCollapsing(SharpTreeNode Node)
{
var selectedChilds = Node.Descendants().Where(n => SharpTreeNode.SelectedNodes.Contains(n));
if (selectedChilds.Any())
{
var list = SelectedItems.Cast <SharpTreeNode>().Except(selectedChilds).ToList();
list.AddOnce(Node);
SetSelectedItems(list);
}
}
public void OnDelete()
{
if (!ConnectionManager.Instance.AllowRequest())
{
return;
}
if (!CanDelete())
{
return;
}
try
{
if (GetViewService().ShowDialog(StringResources.Confirmation
, StringResources.ConfirmationDeleteObject
, MessageBoxButton.YesNo
, MessageBoxImage.Question
, MessageBoxResult.Yes) != MessageBoxResult.Yes)
{
return;
}
var items = SelectedItems.Cast <EditableBusinessObject>().ToList();
foreach (var item in items)
{
ChildSource.Remove(item);
var key = ((WMSBusinessObject)item).GetKey().ToString();
if (!string.IsNullOrEmpty(key))
{
var exit = false;
while (!exit)
{
var e2gc = Source.FirstOrDefault(x => string.Equals(key, x.ENTITY2GCKEY));
if (e2gc != null)
{
Source.Remove(e2gc);
}
else
{
exit = true;
}
}
}
}
Revalidate();
}
catch (Exception ex)
{
throw new OperationException(ExceptionResources.ItemCantDelete, ex);
}
}
private void SelectNodes()
{
if (SelectedItems == null)
{
return;
}
foreach (var node in _nodeList)
{
node.IsSelected = SelectedItems.Cast <object>().Any(x => x.GetType().GetProperties().FirstOrDefault(y => y.Name == SelectedValuePath).GetValue(x)?.ToString() == node.Key);
}
}
private async void OnPlaySelectedCommand()
{
_appLoaderService.Show();
var toPlay = SelectedItems.Cast <Audio>().ToPlayerTracks();
await _playerService.PlayNewTracks(toPlay, 0);
_navigationService.Navigate("PlayerView", null);
_appLoaderService.Hide();
}
internal void HandleCollapsing(SharpTreeNode node)
{
var selectedChilds = node.VisibleDescendants().Where(n => n.IsSelected);
if (selectedChilds.Any())
{
var list = SelectedItems.Cast <SharpTreeNode>().Except(selectedChilds).ToList();
list.AddOnce(node);
SetSelectedItems(list);
}
}
/// <summary>
/// Updates the SelectedValue property based on what is present in the SelectedItems property.
/// </summary>
private void UpdateSelectedValue()
{
string newValue = String.Join(Delimiter, SelectedItems.Cast <object>().Select(GetItemValue));
if (String.IsNullOrEmpty(SelectedValue) || !SelectedValue.Equals(newValue))
{
_ignoreSelectedValueChanged = true;
SelectedValue = newValue;
_ignoreSelectedValueChanged = false;
}
}
private async void OnDeleteSelectedCommand()
{
_appLoaderService.Show(_locService["AppLoader_Preparing"]);
_cancelOperations = false;
var items = SelectedItems.Cast <Audio>().ToList();
var errors = new List <Audio>();
var success = new List <Audio>();
foreach (var track in items)
{
if (_cancelOperations)
{
errors.Add(track);
continue;
}
_appLoaderService.Show(String.Format(_locService["AppLoader_DeletingItem"], track.ToString()));
bool isSuccess = false;
try
{
isSuccess = await DeleteAudio(track);
}
catch (Exception)
{
errors.Add(track);
_cancelOperations = true;
_appLoaderService.Show(_locService["AppLoader_PleaseWait"]);
continue;
}
if (isSuccess)
{
success.Add(track);
}
else
{
errors.Add(track);
}
await Task.Delay(300);
}
RemoveDeletedItems(success);
if (errors.Any())
{
ShowDeletingError(errors);
}
_appLoaderService.Hide();
SetDefaultMode();
}
protected override void OnContextMenuOpening(ContextMenuEventArgs e)
{
if (SelectedItems?.Cast <object>().Count() > 1)
{
ContextMenu = MultiSelectionContextMenu;
}
else
{
ContextMenu = SingleSelectionContextMenu;
}
base.OnContextMenuOpening(e);
}
private void OnDelete()
{
if (!ConnectionManager.Instance.AllowRequest())
{
return;
}
if (!CanDelete())
{
return;
}
try
{
if (GetViewService().ShowDialog(StringResources.Confirmation
, StringResources.ConfirmationDeleteObject
, MessageBoxButton.YesNo
, MessageBoxImage.Question
, MessageBoxResult.Yes) != MessageBoxResult.Yes)
{
return;
}
var items = SelectedItems.Cast <EditableBusinessObject>().ToList();
if (ShouldUpdateSeparately)
{
using (var mng = GetManager(_itemType))
foreach (var item in items)
{
mng.Delete(item);
if (ParentViewModel == null)
{
Source.Remove(item);
}
}
ParentRefresh();
}
else
{
foreach (var item in items)
{
Source.Remove(item);
}
Revalidate();
}
}
catch (Exception ex)
{
throw new OperationException(ExceptionResources.ItemCantDelete, ex);
}
}
/// <summary>
/// Raises the <see cref="ListView.ItemDrag"/> event of the list view.
/// </summary>
/// <remarks>
/// This starts the drag/drop reorder operation if at least one item is selected.
/// </remarks>
/// <param name="e">An <see cref="ItemDragEventArgs"/> describing the event arguments.</param>
protected override void OnItemDrag(ItemDragEventArgs e)
{
base.OnItemDrag(e);
if (SelectedItems.Count == 0)
{
return;
}
DoDragDrop(new List <ListViewItem>(SelectedItems.Cast <ListViewItem>()), DragDropEffects.Move);
while (m_queDragDropExceptions.Count > 0)
{
throw new Exception("Exception thrown during drag-drop operation. See inner exception for the exception that was thrown.", m_queDragDropExceptions.Dequeue());
}
}
public void OpenSelectedGamesUsers()
{
if (SelectedItems == null || SelectedItems.Count == 0)
{
return;
}
var users = new ObservableCollection <UserModel>(User.Parse(SelectedItems
.Cast <PlayerGameModel>()
.Select(x => x.Game.Game))
.Select(x => new UserModel(x)));
OpenViewModel?.Invoke(this, new OpenModelViewerEventArgs(new UserListModel(users)));
}
private void CalculateAffectedNotes(FrameworkElement view)
{
if (((NoteVelocityView)view).IsSelected)
{
_affectedNotes = SelectedItems.Cast <NoteViewModel>();
(_min, _max) = _affectedNotes.MinMaxBy(note => note.Velocity);
}
else
{
_affectedNotes = new[] { (NoteViewModel)view.DataContext };
_min = _max = (NoteViewModel)view.DataContext;
}
}
private void CalculateAffectedItems(FrameworkElement view)
{
if (((PatternPlacementView)view).IsSelected)
{
_affectedItems = SelectedItems.Cast <PatternPlacementViewModel>();
_minTick = _affectedItems.MinBy(pp => pp.Start);
(_minTrack, _maxTrack) = _affectedItems.MinMaxBy(pp => pp.TrackIndex);
}
else
{
_affectedItems = new[] { (PatternPlacementViewModel)view.DataContext };
_minTick = _minTrack = _maxTrack = (PatternPlacementViewModel)view.DataContext;
}
}
/// <summary>
/// Updates the SelectedValue property based on what is present in the SelectedItems property.
/// </summary>
private void UpdateSelectedValue()
{
#if VS2008
string newValue = String.Join(Delimiter, SelectedItems.Cast <object>().Select(x => GetItemValue(x).ToString()).ToArray());
#else
string newValue = String.Join(Delimiter, SelectedItems.Cast <object>().Select(x => GetItemValue(x)));
#endif
if (String.IsNullOrEmpty(SelectedValue) || !SelectedValue.Equals(newValue))
{
_ignoreSelectedValueChanged = true;
SelectedValue = newValue;
_ignoreSelectedValueChanged = false;
}
}
private void PreviewKeyDownEventHandler(object sender, System.Windows.Input.KeyEventArgs e)
{
if (!AllowDragDrop)
{
return;
}
if (e.Key == System.Windows.Input.Key.Delete)
{
foreach (var file in SelectedItems.Cast <string>().ToArray())
{
FileList.Remove(file);
}
}
}
