protected MvxBindingDescription CreateBindingDescription()
{
EnsureTargetNameSet();
MvxSourceStepDescription source;
if (_sourceSpec == null)
{
source = new MvxPathSourceStepDescription()
{
Converter = _sourceStepDescription.Converter,
ConverterParameter = _sourceStepDescription.ConverterParameter,
FallbackValue = _sourceStepDescription.FallbackValue
};
}
else
{
source = _sourceSpec.CreateSourceStep(_sourceStepDescription);
}
var toReturn = new MvxBindingDescription()
{
Mode = BindingDescription.Mode,
TargetName = BindingDescription.TargetName,
Source = source
};
return(toReturn);
}
public void TestSimpleCollectionBinding()
{
var realSourceStepFactory = this.SetupSourceStepFactory();
var sourceStepDescription = new MvxPathSourceStepDescription()
{
SourcePropertyPath = "Collection[0]",
FallbackValue = "Pah"
};
var source = new MySource()
{
};
var sourceStep = realSourceStepFactory.Create(sourceStepDescription);
sourceStep.DataContext = source;
Assert.AreEqual(typeof(string), sourceStep.SourceType);
object value = sourceStep.GetValue();
Assert.AreEqual("Pah", value);
source.Collection.Add("Hi there");
value = sourceStep.GetValue();
Assert.AreEqual("Hi there", value);
sourceStep.SetValue("New value");
Assert.AreEqual("New value", source.Collection[0]);
}
public void TestSimpleDoubleBinding()
{
var realSourceStepFactory = this.SetupSourceStepFactory();
var sourceStepDescription = new MvxPathSourceStepDescription()
{
SourcePropertyPath = "DoubleProperty1"
};
var source = new MySource()
{
DoubleProperty1 = 42.21
};
var sourceStep = realSourceStepFactory.Create(sourceStepDescription);
sourceStep.DataContext = source;
Assert.AreEqual(typeof(double), sourceStep.SourceType);
object value = sourceStep.GetValue();
Assert.AreEqual(42.21, value);
sourceStep.SetValue(13.72);
Assert.AreEqual(13.72, source.DoubleProperty1);
}
public void TestSimpleIntBinding()
{
var realSourceStepFactory = this.SetupSourceStepFactory();
var sourceStepDescription = new MvxPathSourceStepDescription()
{
SourcePropertyPath = "IntProperty1"
};
var source = new MySource()
{
IntProperty1 = 42
};
var sourceStep = realSourceStepFactory.Create(sourceStepDescription);
sourceStep.DataContext = source;
Assert.AreEqual(typeof(int), sourceStep.SourceType);
object value = sourceStep.GetValue();
Assert.AreEqual(42, value);
sourceStep.SetValue(72);
Assert.AreEqual(72, source.IntProperty1);
sourceStep.SetValue("101");
Assert.AreEqual(101, source.IntProperty1);
}
public void TestSimpleStringBinding()
{
var realSourceStepFactory = this.SetupSourceStepFactory();
var sourceStepDescription = new MvxPathSourceStepDescription()
{
SourcePropertyPath = "Property1"
};
var source = new MySource()
{
Property1 = "Test 42"
};
var sourceStep = realSourceStepFactory.Create(sourceStepDescription);
sourceStep.DataContext = source;
Assert.AreEqual(typeof(string), sourceStep.SourceType);
object value = sourceStep.GetValue();
Assert.AreEqual("Test 42", value);
sourceStep.SetValue("Life line");
Assert.AreEqual("Life line", source.Property1);
}
public MvxBindingDescription(string targetName, string sourcePropertyPath, IMvxValueConverter converter,
object converterParameter, object fallbackValue, MvxBindingMode mode)
{
TargetName = targetName;
Mode = mode;
Source = new MvxPathSourceStepDescription
{
SourcePropertyPath = sourcePropertyPath,
Converter = converter,
ConverterParameter = converterParameter,
FallbackValue = fallbackValue,
};
}
public void TestSimpleSubPropertyBinding()
{
var realSourceStepFactory = this.SetupSourceStepFactory();
var sourceStepDescription = new MvxPathSourceStepDescription()
{
SourcePropertyPath = "SubSource.SubProperty2"
};
var source = new MySource()
{
SubSource = new MySubSource()
{
SubProperty2 = "Hello World"
}
};
var sourceStep = realSourceStepFactory.Create(sourceStepDescription);
sourceStep.DataContext = source;
Assert.AreEqual(typeof(string), sourceStep.SourceType);
object value = sourceStep.GetValue();
Assert.AreEqual("Hello World", value);
source.SubSource.SubProperty2 = "Hello Mum";
Assert.AreEqual(typeof(string), sourceStep.SourceType);
value = sourceStep.GetValue();
Assert.AreEqual("Hello Mum", value);
source.SubSource.SubProperty2 = "Hello Mum";
source.SubSource = null;
Assert.AreEqual(typeof(object), sourceStep.SourceType);
value = sourceStep.GetValue();
Assert.AreEqual(MvxBindingConstant.UnsetValue, value);
}
public void TestSimpleIntWithValueConversionBinding()
{
var realSourceStepFactory = this.SetupSourceStepFactory();
var sourceStepDescription = new MvxPathSourceStepDescription()
{
SourcePropertyPath = "IntProperty1",
Converter = new IntPlus1ValueConverter()
};
var source = new MySource()
{
IntProperty1 = 42
};
var sourceStep = realSourceStepFactory.Create(sourceStepDescription);
sourceStep.DataContext = source;
Assert.AreEqual(typeof(int), sourceStep.SourceType);
object value = sourceStep.GetValue();
Assert.AreEqual(43, value);
int changed = -99;
sourceStep.Changed += (sender, args) => changed = (int)sourceStep.GetValue();
source.IntProperty1 = 71;
Assert.AreEqual(72, changed);
value = sourceStep.GetValue();
Assert.AreEqual(72, value);
sourceStep.SetValue(101);
Assert.AreEqual(100, source.IntProperty1);
}
public void TestSimpleSubObjectChangePropagationBinding()
{
var realSourceStepFactory = this.SetupSourceStepFactory();
var sourceStepDescription = new MvxPathSourceStepDescription()
{
SourcePropertyPath = "SubSource.SubProperty1"
};
var source = new MySource()
{
SubSource = new MySubSource()
{
SubProperty1 = "Test 42"
}
};
var sourceStep = realSourceStepFactory.Create(sourceStepDescription);
sourceStep.DataContext = source;
Assert.AreEqual(typeof(string), sourceStep.SourceType);
object value = sourceStep.GetValue();
Assert.AreEqual("Test 42", value);
var changes = new List <object>();
sourceStep.Changed += (sender, args) =>
{
changes.Add(sourceStep.GetValue());
};
source.SubSource.SubProperty1 = "Changed to 17";
Assert.AreEqual(1, changes.Count);
Assert.AreEqual("Changed to 17", changes[0]);
value = sourceStep.GetValue();
Assert.AreEqual("Changed to 17", value);
var oldSubSource = source.SubSource;
source.SubSource = new MySubSource()
{
SubProperty1 = "New Sub object"
};
Assert.AreEqual(2, changes.Count);
Assert.AreEqual("New Sub object", changes[1]);
value = sourceStep.GetValue();
Assert.AreEqual("New Sub object", value);
oldSubSource.SubProperty1 = "Should not fire";
Assert.AreEqual(2, changes.Count);
source.SubSource.SubProperty1 = "Should fire";
Assert.AreEqual(3, changes.Count);
Assert.AreEqual("Should fire", changes[2]);
}
public void TestIndedexedChangePropagationBinding()
{
var realSourceStepFactory = this.SetupSourceStepFactory();
var sourceStepDescription = new MvxPathSourceStepDescription()
{
SourcePropertyPath = "Collection[0]"
};
var source = new MySource()
{
};
source.Collection.Add("Initial");
var sourceStep = realSourceStepFactory.Create(sourceStepDescription);
sourceStep.DataContext = source;
Assert.AreEqual(typeof(string), sourceStep.SourceType);
object value = sourceStep.GetValue();
Assert.AreEqual("Initial", value);
var changes = new List <object>();
sourceStep.Changed += (sender, args) =>
{
changes.Add(sourceStep.GetValue());
};
source.Collection[0] = "Changed to 17";
Assert.AreEqual(1, changes.Count);
Assert.AreEqual("Changed to 17", changes[0]);
value = sourceStep.GetValue();
Assert.AreEqual("Changed to 17", value);
sourceStep.DataContext = new MySource();
value = sourceStep.GetValue();
Assert.AreEqual(MvxBindingConstant.UnsetValue, value);
source.Collection[0] = "Changed again 19";
Assert.AreEqual(1, changes.Count);
sourceStep.DataContext = source;
Assert.AreEqual(1, changes.Count);
value = sourceStep.GetValue();
Assert.AreEqual("Changed again 19", value);
source.Collection[0] = "Changed again again 19";
Assert.AreEqual(2, changes.Count);
Assert.AreEqual("Changed again again 19", changes[1]);
value = sourceStep.GetValue();
Assert.AreEqual("Changed again again 19", value);
}
public void TestSimpleChangePropagationBinding()
{
var realSourceStepFactory = this.SetupSourceStepFactory();
var sourceStepDescription = new MvxPathSourceStepDescription()
{
SourcePropertyPath = "Property1"
};
var source = new MySource()
{
Property1 = "Test 42"
};
var sourceStep = realSourceStepFactory.Create(sourceStepDescription);
sourceStep.DataContext = source;
Assert.AreEqual(typeof(string), sourceStep.SourceType);
object value = sourceStep.GetValue();
Assert.AreEqual("Test 42", value);
var changes = new List <object>();
sourceStep.Changed += (sender, args) =>
{
changes.Add(sourceStep.GetValue());
};
source.Property1 = "Changed to 17";
Assert.AreEqual(1, changes.Count);
Assert.AreEqual("Changed to 17", changes[0]);
value = sourceStep.GetValue();
Assert.AreEqual("Changed to 17", value);
sourceStep.DataContext = new MySource();
value = sourceStep.GetValue();
Assert.AreEqual(null, value);
source.Property1 = "Changed again 19";
Assert.AreEqual(1, changes.Count);
sourceStep.DataContext = source;
Assert.AreEqual(1, changes.Count);
value = sourceStep.GetValue();
Assert.AreEqual("Changed again 19", value);
source.Property1 = "Changed again again 19";
Assert.AreEqual(2, changes.Count);
Assert.AreEqual("Changed again again 19", changes[1]);
value = sourceStep.GetValue();
Assert.AreEqual("Changed again again 19", value);
}