public DirectoryTreeViewModel(IWindowManager windowManager, IEventAggregator events)
{
_events = events;
if (events != null)
{
events.Subscribe(this);
}
Entries = new EntriesHelper <IDirectoryNodeViewModel>();
var selection = new TreeRootSelector <IDirectoryNodeViewModel, IEntryModel>(Entries)
{
Comparers = new[] { PathComparer.LocalDefault }
};
selection.SelectionChanged += (o, e) =>
{
BroadcastDirectoryChanged(EntryViewModel.FromEntryModel(selection.SelectedValue));
};
Selection = selection;
Commands = new DirectoryTreeCommandManager(this, windowManager, events);
DragHelper = new DirectoryTreeDragHelper(Entries, Selection);
}
private void updateDisplayItemsAndCaption(IFileListViewModel flvm)
{
SelectionCount = flvm.Selection.SelectedItems.Count();
Metadata.LoadAsync(UpdateMode.Replace, true, flvm);
DisplayItems.Clear();
switch (SelectionCount)
{
case 0:
//Caption = String.Format(NoneSelected, flvm.CurrentDirectory.EntryModel.Label);
DisplayItems.Add(EntryViewModel.FromEntryModel(flvm.CurrentDirectory));
break;
case 1:
//Caption = String.Format(OneSelected, flvm.SelectedItems.First().EntryModel.Label);
DisplayItems.Add(flvm.Selection.SelectedItems.First());
break;
default:
//Caption = String.Format(ManySelected, flvm.SelectedItems.Count.ToString());
DisplayItems.AddRange(flvm.Selection.SelectedItems.Take(5));
break;
}
}
void OnSuggestPathChanged()
{
if (!EnableBreadcrumb)
{
Task.Run(async() =>
{
foreach (var p in _profiles)
{
if (p.MatchPathPattern(SuggestedPath))
{
if (String.IsNullOrEmpty(SuggestedPath) && Entries.AllNonBindable.Count() > 0)
{
SuggestedPath = Entries.AllNonBindable.First().EntryModel.FullPath;
}
var found = await p.ParseThenLookupAsync(SuggestedPath, CancellationToken.None);
if (found != null)
{
_sbox.Dispatcher.BeginInvoke(new System.Action(() => { SelectAsync(found); }));
EnableBreadcrumb = true;
BroadcastDirectoryChanged(EntryViewModel.FromEntryModel(found));
}
//else not found
}
}
}); //.Start();
}
}
public void GoUp()
{
if (!_updatingNavPosition && _currentFolder != null && _currentFolder.EntryModel.Parent != null)
{
AddAndBroadcast(EntryViewModel.FromEntryModel(_currentFolder.EntryModel.Parent));
}
else
{
UpdateState();
}
}
public FileListItemDropHelper(FileListItemViewModel flvm)
: base(
new LambdaValueConverter <IEntryViewModel, IEntryModel>(
(evm) => evm.EntryModel,
(em) => EntryViewModel.FromEntryModel(em)),
new LambdaValueConverter <IEnumerable <IEntryModel>, IDataObject>(
ems => flvm.EntryModel.Profile.DragDrop.GetDataObject(ems),
da => flvm.EntryModel.Profile.DragDrop.GetEntryModels(da)),
(ems, eff) => flvm.EntryModel.Profile.DragDrop.QueryDrop(ems, flvm.EntryModel, eff),
(ems, da, eff) => flvm.EntryModel.Profile.DragDrop.OnDropCompleted(ems, da, flvm.EntryModel, eff))
{
}
public DirectoryNodeDropHelper(IEntryModel curDir, IEntriesHelper <IDirectoryNodeViewModel> entries,
ITreeSelector <IDirectoryNodeViewModel, IEntryModel> selection)
: base(
new LambdaValueConverter <IEntryViewModel, IEntryModel>(
(evm) => evm.EntryModel,
(em) => EntryViewModel.FromEntryModel(em)),
new LambdaValueConverter <IEnumerable <IEntryModel>, IDataObject>(
ems => curDir.Profile.DragDrop.GetDataObject(ems),
da => dataObjectFunc(da, selection)),
(ems, eff) => curDir.Profile.DragDrop.QueryDrop(ems, curDir, eff),
(ems, da, eff) => curDir.Profile.DragDrop.OnDropCompleted(ems, da, curDir, eff))
{
}
public BreadcrumbViewModel(IEventAggregator events)
{
_events = events;
if (events != null)
{
events.Subscribe(this);
}
Entries = new EntriesHelper <IBreadcrumbItemViewModel>();
var selection = new TreeRootSelector <IBreadcrumbItemViewModel, IEntryModel>(Entries)
{
Comparers = new[] { PathComparer.LocalDefault }
};
selection.SelectionChanged += (o, e) =>
{
BroadcastDirectoryChanged(EntryViewModel.FromEntryModel(selection.SelectedValue));
};
Selection = selection;
Commands = new BreadcrumbCommandManager(this, events);
}
public void Handle(DirectoryChangedEvent message)
{
this.DisplayName = String.Format(WindowTitleMask, message.NewModel.Label);
_currentDirectoryViewModel = EntryViewModel.FromEntryModel(message.NewModel);
NotifyOfPropertyChange(() => CurrentDirectory);
}
public IEntryViewModel Clone()
{
return(EntryViewModel.FromEntryModel(this.EntryModel));
}