private void Configure()
{
_categories = new PointCategoryCollection();
OnIncludeCategories(_categories);
}
/// <summary>
/// Handle the event un-wiring and scheme update for the old categories
/// </summary>
/// <param name="categories">The category collection to update.</param>
protected virtual void OnExcludeCategories(PointCategoryCollection categories)
{
if (categories == null) return;
categories.Scheme = null;
categories.ItemChanged -= CategoriesItemChanged;
categories.SelectFeatures -= OnSelectFeatures;
categories.DeselectFeatures -= OnDeselectFeatures;
}
/// <summary>
/// Handle the event wiring and scheme update for the new categories.
/// </summary>
/// <param name="categories">The category collection to update</param>
protected virtual void OnIncludeCategories(PointCategoryCollection categories)
{
if (categories == null) return;
categories.Scheme = this;
categories.ItemChanged += CategoriesItemChanged;
categories.SelectFeatures += OnSelectFeatures;
}
public void GivenMapLayerWithScheme_WhenConvertingLayerFeatures_ThenClearsAppliedSchemeAndAppliesDefaultCategory()
{
// Given
const string metadataAttribute = "Meta";
var mocks = new MockRepository();
var categoryOne = mocks.Stub <IPointCategory>();
var categoryTwo = mocks.Stub <IPointCategory>();
mocks.ReplayAll();
var mapPointLayer = new MapPointLayer
{
Symbology = new PointScheme
{
Categories =
{
categoryOne,
categoryTwo
}
}
};
var converter = new MapPointDataConverter();
var random = new Random(21);
var pointStyle = new PointStyle
{
Color = Color.FromKnownColor(random.NextEnum <KnownColor>()),
Size = random.Next(1, 48),
Symbol = random.NextEnum <PointSymbol>(),
StrokeColor = Color.FromKnownColor(random.NextEnum <KnownColor>()),
StrokeThickness = random.Next(1, 48)
};
var theme = new MapTheme <PointCategoryTheme>(metadataAttribute, new[]
{
new PointCategoryTheme(ValueCriterionTestFactory.CreateValueCriterion(),
new PointStyle
{
Color = Color.FromKnownColor(random.NextEnum <KnownColor>()),
Size = random.Next(1, 48),
Symbol = random.NextEnum <PointSymbol>(),
StrokeColor = Color.FromKnownColor(random.NextEnum <KnownColor>()),
StrokeThickness = random.Next(1, 48)
})
});
var mapPointData = new MapPointData("test", pointStyle, theme)
{
Features = new[]
{
CreateMapFeatureWithMetaData(metadataAttribute)
}
};
// When
converter.ConvertLayerFeatures(mapPointData, mapPointLayer);
// Then
PointCategoryCollection categoryCollection = mapPointLayer.Symbology.Categories;
Assert.AreEqual(1, categoryCollection.Count);
IPointSymbolizer expectedSymbolizer = CreateExpectedSymbolizer(pointStyle);
AssertAreEqual(expectedSymbolizer, categoryCollection.Single().Symbolizer);
mocks.VerifyAll();
}
