public OptionsViewModel(OptionsPageData data, ObservableValue<IEnumerable<string>> exceptionNames)
{
_data = data;
IgnoredPatterns = new PatternCollectionViewModel(data.Ignored);
AllExceptions = exceptionNames.GetObservable(v => new ReadOnlyCollection<ExceptionViewModel>(
v.Select(n => new ExceptionViewModel(n, IgnoredPatterns.Selected)).ToArray()
));
_exceptionsMatchingIgnored = new ObservableCollection<ExceptionViewModel>();
ExceptionsMatchingIgnored = new ReadOnlyObservableCollection<ExceptionViewModel>(_exceptionsMatchingIgnored);
AllExceptions.ValueChanged += (sender, e) => RecalculateExceptionsMatchingIgnored();
IgnoredPatterns.Values.CollectionChanged += (sender, e) => RecalculateExceptionsMatchingIgnored();
var ignoredChangeHandler = (EventHandler) delegate { RecalculateExceptionsMatchingIgnored(); };
IgnoredPatterns.Values.AddHandlers(
added => {
added.Pattern.ValueChanged += ignoredChangeHandler;
added.Enabled.ValueChanged += ignoredChangeHandler;
},
removed => {
removed.Pattern.ValueChanged -= ignoredChangeHandler;
removed.Enabled.ValueChanged -= ignoredChangeHandler;
}
);
RecalculateExceptionsMatchingIgnored();
}
public OptionsViewModel(OptionsPageData data, ObservableValue <IEnumerable <string> > exceptionNames)
{
_data = data;
IgnoredPatterns = new PatternCollectionViewModel(data.Ignored);
AllExceptions = exceptionNames.GetObservable(v => new ReadOnlyCollection <ExceptionViewModel>(
v.Select(n => new ExceptionViewModel(n, IgnoredPatterns.Selected)).ToArray()
));
_exceptionsMatchingIgnored = new ObservableCollection <ExceptionViewModel>();
ExceptionsMatchingIgnored = new ReadOnlyObservableCollection <ExceptionViewModel>(_exceptionsMatchingIgnored);
AllExceptions.ValueChanged += (sender, e) => RecalculateExceptionsMatchingIgnored();
IgnoredPatterns.Values.CollectionChanged += (sender, e) => RecalculateExceptionsMatchingIgnored();
var ignoredChangeHandler = (EventHandler) delegate { RecalculateExceptionsMatchingIgnored(); };
IgnoredPatterns.Values.AddHandlers(
added => {
added.Pattern.ValueChanged += ignoredChangeHandler;
added.Enabled.ValueChanged += ignoredChangeHandler;
},
removed => {
removed.Pattern.ValueChanged -= ignoredChangeHandler;
removed.Enabled.ValueChanged -= ignoredChangeHandler;
}
);
RecalculateExceptionsMatchingIgnored();
}
public void Add_DoesNotAddItemToData_IfPatternIsNotSet()
{
var data = new Collection<PatternData>();
var model = new PatternCollectionViewModel(data);
model.Values.Add(new PatternViewModel(""));
Assert.Empty(data);
}
public void Add_AddsItemToData_IfPatternIsSet()
{
var data = new Collection<PatternData>();
var model = new PatternCollectionViewModel(data);
model.Values.Add(new PatternViewModel("x"));
Assert.Equal(new[] { "x" }, data.Select(p => p.Regex.ToString()));
}
public void PatternChange_RemovesItemToData_IfPatternIsNotSet()
{
var data = new Collection<PatternData>();
var model = new PatternCollectionViewModel(data);
var pattern = new PatternViewModel("x");
model.Values.Add(pattern);
pattern.Pattern.Value = "";
Assert.Empty(data);
}
public void PatternChange_AddsItemToData_IfPatternIsSet()
{
var data = new Collection<PatternData>();
var model = new PatternCollectionViewModel(data);
var pattern = new PatternViewModel("");
model.Values.Add(pattern);
pattern.Pattern.Value = "x";
Assert.Equal(new[] { "x" }, data.Select(p => p.Regex.ToString()));
}
