ViewState IPersistentView.CaptureState()
{
var coverter = new TailViewToStateConverter();
var state = coverter.Convert(_tailView.Name, _tailView.SearchCollection.Selected.Text, _tailView.SearchMetadataCollection.Metadata.Items.ToArray());
return(new ViewState(TailViewModelConstants.ViewKey, state));
}
State IPersistentStateProvider.CaptureState()
{
var coverter = new TailViewToStateConverter();
var state = coverter.Convert(_tailView.Name, _tailView.SearchCollection.Selected.Text, _tailView.SearchMetadataCollection.Metadata.Items.ToArray());
return(new State(1, state.Value));
}
public HeaderedView Create(ViewState state)
{
var converter = new TailViewToStateConverter();
var converted = converter.Convert(state.State);
var file = converted.FileName;
var viewModel = CreateView(new FileInfo(file));
var restorer = (IPersistentView)viewModel;
restorer.Restore(state);
return(new HeaderedView(new FileHeader(new FileInfo(file)), viewModel));
}
public State CaptureState()
{
var searchItems = _tailView.SearchOptions
.Data
.Select(search => new SearchState
(
search.Text,
search.UseRegex,
search.Highlight,
search.Filter,
false,
search.IgnoreCase
));
var tailViewState = new TailViewState(_tailView.Name, _tailView.SearchCollection.Selected.Text, searchItems);
var converter = new TailViewToStateConverter();
return(converter.Convert(tailViewState));
}
public State Convert(string fileName, string selectedSearch, SearchMetadata[] items)
{
var searchItems = items
.OrderBy(s => s.Position)
.Select(search => new SearchState
(
search.SearchText,
search.Position,
search.UseRegex,
search.Highlight,
search.Filter,
false,
search.IgnoreCase,
search.HighlightHue.Swatch,
search.IconKind,
search.HighlightHue.Name
)).ToArray();
var tailViewState = new TailViewState(fileName, selectedSearch, searchItems);
var converter = new TailViewToStateConverter();
return(converter.Convert(tailViewState));
}
public TailViewStateController([NotNull] TailViewModel tailView,
IStateBucketService stateBucketService,
ISchedulerProvider schedulerProvider,
ISearchStateToMetadataMapper searchStateToMetadataMapper,
ILogger logger)
{
if (tailView == null)
{
throw new ArgumentNullException(nameof(tailView));
}
_tailView = tailView;
bool loadingSettings = false;
const string type = "TailView";
logger.Info("Loading state for {0}", tailView.Name);
stateBucketService
.Lookup(type, tailView.Name)
.Convert(state =>
{
var converter = new TailViewToStateConverter();
return(converter.Convert((State)state));
}).IfHasValue(tailviewstate =>
{
schedulerProvider.Background.Schedule(() =>
{
try
{
loadingSettings = true;
logger.Info("Applying {0} saved search settings for {1} ", tailviewstate.SearchItems.Count(), tailView.Name);
var searches = tailviewstate.SearchItems.Select(searchStateToMetadataMapper.Map);
_tailView.SearchMetadataCollection.Add(searches);
tailView.SearchCollection.Select(tailviewstate.SelectedSearch);
logger.Info("DONE: Applied {0} search settings for {1} ", tailviewstate.SearchItems.Count(), tailView.Name);
}
finally
{
loadingSettings = false;
}
});
});
var selectedChanged = tailView.SearchCollection
.WhenValueChanged(sc => sc.Selected, false)
.Select(vm => vm.Text);
var metaChanged = _tailView.SearchMetadataCollection.Metadata.Connect()
.ToCollection()
.Select(metaData => metaData.ToArray());
var writer = selectedChanged.CombineLatest(metaChanged, (selected, metadata) => new { selected, metadata })
.Where(_ => !loadingSettings)
.Throttle(TimeSpan.FromMilliseconds(250))
.Select(x => Convert(_tailView.Name, x.selected, x.metadata))
.Subscribe(state =>
{
stateBucketService.Write(type, tailView.Name, state);
});
_cleanUp = new CompositeDisposable(writer);
}
public TailViewStateController([NotNull] TailViewModel tailView, IStateBucketService stateBucketService, ISchedulerProvider schedulerProvider, ITailViewStateRestorer tailViewStateRestorer, ILogger logger, bool loadDefaults)
{
if (tailView == null)
{
throw new ArgumentNullException(nameof(tailView));
}
var tailView1 = tailView;
var converter = new TailViewToStateConverter();
bool loadingSettings = false;
const string type = "TailView";
logger.Info("Loading state for {0}", tailView.Name);
//Load state
if (loadDefaults)
{
stateBucketService
.Lookup(type, tailView.Name)
.IfHasValue(tailviewstate =>
{
schedulerProvider.Background.Schedule(() =>
{
try
{
loadingSettings = true;
tailViewStateRestorer.Restore(tailView, tailviewstate);
}
finally
{
loadingSettings = false;
}
});
});
}
//write latest to file when something triggers a change
var selectedChanged = tailView.SearchCollection
.WhenValueChanged(sc => sc.Selected, false)
.Where(vm => vm != null)
.Select(vm => vm.Text);
var metaChanged = tailView1.SearchMetadataCollection.Metadata.Connect()
.ToCollection()
.Select(metaData => metaData.ToArray());
var writer = selectedChanged.CombineLatest(metaChanged, (selected, metadata) => new { selected, metadata })
.Where(_ => !loadingSettings)
.Throttle(TimeSpan.FromMilliseconds(250))
.Select(x => converter.Convert(tailView1.Name, x.selected, x.metadata))
.Subscribe(state =>
{
stateBucketService.Write(type, tailView.Name, state);
});
_cleanUp = new CompositeDisposable(writer);
}
public void Restore(TailViewModel view, State state)
{
var converter = new TailViewToStateConverter();
Restore(view, converter.Convert(state));
}