private void Configure()
{
_categories = new LineCategoryCollection();
InitializeCategories();
}
/// <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(LineCategoryCollection categories)
{
if (categories == null) return;
categories.Scheme = null;
categories.ItemChanged -= CategoriesItemChanged;
categories.SelectFeatures -= OnSelectFeatures;
}
/// <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(LineCategoryCollection categories)
{
if (categories == null) return;
categories.Scheme = this;
categories.ItemChanged += CategoriesItemChanged;
categories.SelectFeatures += OnSelectFeatures;
}
public void GivenMapLayerWithScheme_WhenConvertingLayerFeatures_ThenClearsAppliedSchemeAndAppliesDefaultCategory()
{
// Given
var mocks = new MockRepository();
var categoryOne = mocks.Stub <ILineCategory>();
var categoryTwo = mocks.Stub <ILineCategory>();
mocks.ReplayAll();
var mapLineLayer = new MapLineLayer
{
Symbology = new LineScheme
{
Categories =
{
categoryOne,
categoryTwo
}
}
};
var converter = new MapLineDataConverter();
var random = new Random(21);
var lineStyle = new LineStyle
{
Color = Color.FromKnownColor(random.NextEnum <KnownColor>()),
Width = random.Next(1, 48),
DashStyle = random.NextEnum <LineDashStyle>()
};
var theme = new MapTheme <LineCategoryTheme>("Meta", new[]
{
new LineCategoryTheme(ValueCriterionTestFactory.CreateValueCriterion(),
new LineStyle
{
Color = Color.FromKnownColor(random.NextEnum <KnownColor>()),
Width = random.Next(1, 48),
DashStyle = random.NextEnum <LineDashStyle>()
})
});
var mapLineData = new MapLineData("test", lineStyle, theme)
{
Features = new[]
{
CreateMapFeatureWithMetaData("Meta")
}
};
// When
converter.ConvertLayerFeatures(mapLineData, mapLineLayer);
// Then
LineCategoryCollection categoryCollection = mapLineLayer.Symbology.Categories;
Assert.AreEqual(1, categoryCollection.Count);
ILineSymbolizer expectedSymbolizer = CreateExpectedSymbolizer(lineStyle);
AssertAreEqual(expectedSymbolizer, categoryCollection.Single().Symbolizer);
mocks.VerifyAll();
}
