protected virtual MvxChainedSourceBinding CreateChainedBinding(object source, MvxPropertyToken propertyToken,
List<MvxPropertyToken> remainingTokens)
{
var indexPropertyToken = propertyToken as MvxIndexerPropertyToken;
if (indexPropertyToken != null)
{
var itemPropertyInfo = this.FindPropertyInfo(source);
if (itemPropertyInfo == null)
return null;
return new MvxIndexerChainedSourceBinding(source, itemPropertyInfo, indexPropertyToken,
remainingTokens);
}
var propertyNameToken = propertyToken as MvxPropertyNamePropertyToken;
if (propertyNameToken != null)
{
var propertyInfo = this.FindPropertyInfo(source, propertyNameToken.PropertyName);
if (propertyInfo == null)
return null;
return new MvxSimpleChainedSourceBinding(source, propertyInfo,
remainingTokens);
}
throw new MvxException("Unexpected property chaining - seen token type {0}",
propertyToken.GetType().FullName);
}
public bool TryCreateBinding(object source, MvxPropertyToken currentToken,
List <MvxPropertyToken> remainingTokens, out IMvxSourceBinding result)
{
if (source == null)
{
result = null;
return(false);
}
var propertyNameToken = currentToken as MvxPropertyNamePropertyToken;
if (propertyNameToken == null)
{
result = null;
return(false);
}
var fieldInfo = FindFieldInfo(source, propertyNameToken.PropertyName);
if (fieldInfo == null)
{
result = null;
return(false);
}
if (typeof(INotifyChange).IsAssignableFrom(fieldInfo.FieldType))
{
return(TryCreateNotifyChangeBinding(source, remainingTokens, out result, fieldInfo, propertyNameToken));
}
return(TryCreateFieldInfoBinding(source, remainingTokens, out result, fieldInfo));
}
protected virtual IMvxSourceBinding CreateLeafBinding(object source, MvxPropertyToken propertyToken)
{
var indexPropertyToken = propertyToken as MvxIndexerPropertyToken;
if (indexPropertyToken != null)
{
var itemPropertyInfo = this.FindPropertyInfo(source);
if (itemPropertyInfo == null)
return null;
return new MvxIndexerLeafPropertyInfoSourceBinding(source, itemPropertyInfo, indexPropertyToken);
}
var propertyNameToken = propertyToken as MvxPropertyNamePropertyToken;
if (propertyNameToken != null)
{
var propertyInfo = this.FindPropertyInfo(source, propertyNameToken.PropertyName);
if (propertyInfo == null)
return null;
return new MvxSimpleLeafPropertyInfoSourceBinding(source, propertyInfo);
}
if (propertyToken is MvxEmptyPropertyToken)
{
return new MvxDirectToSourceBinding(source);
}
throw new MvxException("Unexpected property source - seen token type {0}", propertyToken.GetType().FullName);
}
protected virtual IMvxSourceBinding CreateLeafBinding(object source, MvxPropertyToken propertyToken)
{
var indexPropertyToken = propertyToken as MvxIndexerPropertyToken;
if (indexPropertyToken != null)
{
var itemPropertyInfo = FindPropertyInfo(source);
if (itemPropertyInfo == null)
{
return(null);
}
return(new MvxIndexerLeafPropertyInfoSourceBinding(source, itemPropertyInfo, indexPropertyToken));
}
var propertyNameToken = propertyToken as MvxPropertyNamePropertyToken;
if (propertyNameToken != null)
{
var propertyInfo = FindPropertyInfo(source, propertyNameToken.PropertyName);
if (propertyInfo == null)
{
return(null);
}
return(new MvxSimpleLeafPropertyInfoSourceBinding(source, propertyInfo));
}
if (propertyToken is MvxEmptyPropertyToken)
{
return(new MvxDirectToSourceBinding(source));
}
throw new MvxException("Unexpected property source - seen token type {0}", propertyToken.GetType().FullName);
}
public bool TryCreateBinding(object source, MvxPropertyToken currentToken,
List<MvxPropertyToken> remainingTokens, out IMvxSourceBinding result)
{
if (source == null)
{
result = null;
return false;
}
var propertyNameToken = currentToken as MvxPropertyNamePropertyToken;
if (propertyNameToken == null)
{
result = null;
return false;
}
var fieldInfo = FindFieldInfo(source, propertyNameToken.PropertyName);
if (fieldInfo == null)
{
result = null;
return false;
}
if (typeof (INotifyChange).IsAssignableFrom(fieldInfo.FieldType))
{
return TryCreateNotifyChangeBinding(source, remainingTokens, out result, fieldInfo, propertyNameToken);
}
return TryCreateFieldInfoBinding(source, remainingTokens, out result, fieldInfo);
}
public bool TryCreateBinding(object source, MvxPropertyToken currentToken, List <MvxPropertyToken> remainingTokens, out IMvxSourceBinding result)
{
if (source == null)
{
result = null;
return(false);
}
result = remainingTokens.Count == 0 ? CreateLeafBinding(source, currentToken) : CreateChainedBinding(source, currentToken, remainingTokens);
return(result != null);
}
public bool TryCreateBinding(object source, MvxPropertyToken currentToken, List<MvxPropertyToken> remainingTokens, out IMvxSourceBinding result)
{
if (source == null)
{
result = null;
return false;
}
result = remainingTokens.Count == 0 ? this.CreateLeafBinding(source, currentToken) : this.CreateChainedBinding(source, currentToken, remainingTokens);
return result != null;
}
protected bool TryCreateBindingFromExtensions(object source, MvxPropertyToken propertyToken,
List <MvxPropertyToken> remainingTokens, out IMvxSourceBinding result)
{
foreach (var extension in _extensions)
{
if (extension.TryCreateBinding(source, propertyToken, remainingTokens, out result))
{
return(true);
}
}
result = null;
return(false);
}
protected bool TryCreateBindingFromExtensions(object source, MvxPropertyToken propertyToken,
List<MvxPropertyToken> remainingTokens, out IMvxSourceBinding result)
{
foreach (var extension in _extensions)
{
if (extension.TryCreateBinding(source, propertyToken, remainingTokens, out result))
{
return true;
}
}
result = null;
return false;
}
private static MvxChainedSourceBinding CreateChainedBinding(object source, MvxPropertyToken propertyToken,
List<MvxPropertyToken> remainingTokens)
{
if (propertyToken is MvxIndexerPropertyToken)
{
return new MvxIndexerChainedSourceBinding(source, (MvxIndexerPropertyToken) propertyToken,
remainingTokens);
}
else if (propertyToken is MvxPropertyNamePropertyToken)
{
return new MvxSimpleChainedSourceBinding(source, (MvxPropertyNamePropertyToken) propertyToken,
remainingTokens);
}
throw new MvxException("Unexpected property chaining - seen token type {0}",
propertyToken.GetType().FullName);
}
private static MvxChainedSourceBinding CreateChainedBinding(object source, MvxPropertyToken propertyToken,
List <MvxPropertyToken> remainingTokens)
{
if (propertyToken is MvxIndexerPropertyToken)
{
return(new MvxIndexerChainedSourceBinding(source, (MvxIndexerPropertyToken)propertyToken,
remainingTokens));
}
else if (propertyToken is MvxPropertyNamePropertyToken)
{
return(new MvxSimpleChainedSourceBinding(source, (MvxPropertyNamePropertyToken)propertyToken,
remainingTokens));
}
throw new MvxException("Unexpected property chaining - seen token type {0}",
propertyToken.GetType().FullName);
}
private static IMvxSourceBinding CreateLeafBinding(object source, MvxPropertyToken propertyToken)
{
if (propertyToken is MvxIndexerPropertyToken)
{
return new MvxIndexerLeafPropertyInfoSourceBinding(source, (MvxIndexerPropertyToken) propertyToken);
}
else if (propertyToken is MvxPropertyNamePropertyToken)
{
return new MvxSimpleLeafPropertyInfoSourceBinding(source, (MvxPropertyNamePropertyToken) propertyToken);
}
else if (propertyToken is MvxEmptyPropertyToken)
{
return new MvxDirectToSourceBinding(source);
}
throw new MvxException("Unexpected property source - seen token type {0}", propertyToken.GetType().FullName);
}
private static IMvxSourceBinding CreateLeafBinding(object source, MvxPropertyToken propertyToken)
{
if (propertyToken is MvxIndexerPropertyToken)
{
return(new MvxIndexerLeafPropertyInfoSourceBinding(source, (MvxIndexerPropertyToken)propertyToken));
}
else if (propertyToken is MvxPropertyNamePropertyToken)
{
return(new MvxSimpleLeafPropertyInfoSourceBinding(source, (MvxPropertyNamePropertyToken)propertyToken));
}
else if (propertyToken is MvxEmptyPropertyToken)
{
return(new MvxDirectToSourceBinding(source));
}
throw new MvxException("Unexpected property source - seen token type {0}", propertyToken.GetType().FullName);
}
public bool TryCreateBinding(object source, MvxPropertyToken propertyToken, List<MvxPropertyToken> remainingTokens, out IMvxSourceBinding result)
{
var observable = source as IObservable<object>;
if (observable != null)
{
var list = new List<MvxPropertyToken>();
if (!(propertyToken is MvxEmptyPropertyToken))
list.Add(propertyToken);
list.AddRange(remainingTokens);
result = new ObservableMvxSourceBinding(observable, list);
return true;
}
result = null;
return false;
}
public bool TryCreateBinding(object source, MvxPropertyToken currentToken, List <MvxPropertyToken> remainingTokens, out IMvxSourceBinding result)
{
if (source == null)
{
result = null;
return(false);
}
if (remainingTokens.Count > 0)
{
result = null;
return(false);
}
var propertyNameToken = currentToken as MvxPropertyNamePropertyToken;
if (propertyNameToken == null)
{
result = null;
return(false);
}
var methodInfo = FindMethodInfo(source, propertyNameToken.PropertyName);
if (methodInfo == null)
{
result = null;
return(false);
}
var parameters = methodInfo.GetParameters();
if (parameters.Count(p => !p.IsOptional) > 1)
{
MvxPluginLog.Instance?.Log(LogLevel.Warning,
"Problem binding to Method {0} - too many non-optional parameters");
}
result = new MvxMethodSourceBinding(source, methodInfo);
return(true);
}
public bool TryCreateBinding(object source, MvxPropertyToken currentToken, List<MvxPropertyToken> remainingTokens, out IMvxSourceBinding result)
{
if (source == null)
{
result = null;
return false;
}
if (remainingTokens.Count > 0)
{
result = null;
return false;
}
var propertyNameToken = currentToken as MvxPropertyNamePropertyToken;
if (propertyNameToken == null)
{
result = null;
return false;
}
var methodInfo = FindMethodInfo(source, propertyNameToken.PropertyName);
if (methodInfo == null)
{
result = null;
return false;
}
var parameters = methodInfo.GetParameters();
if (parameters.Count(p => !p.IsOptional) > 1)
{
MvxBindingTrace.Warning("Problem binding to Method {0} - too many non-optional parameters");
}
result = new MvxMethodSourceBinding(source, methodInfo);
return true;
}
public bool TryCreateBinding(object source, MvxPropertyToken currentToken,
List <MvxPropertyToken> remainingTokens, out IMvxSourceBinding result)
{
if (source != null)
{
Type bindingSourceType = null;
Type bindingTypeParameter = null;
if (currentToken is MvxEmptyPropertyToken)
{
var observable = source as IObservable <object>;
if (observable != null)
{
result = new ObservableMvxSourceBinding <object>(observable, typeof(object), this._mainThreadDispatcher, remainingTokens);
return(true);
}
var implementedInterface = source
.GetType()
.GetTypeInfo()
.ImplementedInterfaces
.FirstOrDefault(iface => ((iface.IsConstructedGenericType) && (iface.GetGenericTypeDefinition() == typeof(IObservable <>))));
if (implementedInterface != null)
{
bindingSourceType = bindingTypeParameter = implementedInterface.GenericTypeArguments[0];
}
}
else
{
var propertyNameToken = currentToken as MvxPropertyNamePropertyToken;
if (propertyNameToken != null)
{
var propertyInfo = this.FindPropertyInfo(source, propertyNameToken.PropertyName);
if (propertyInfo != null)
{
var propertyTypeInfo = propertyInfo.PropertyType.GetTypeInfo();
if ((propertyTypeInfo.IsGenericType) && (propertyTypeInfo.GetGenericTypeDefinition() == typeof(IObservable <>)))
{
source = propertyInfo.GetValue(source, ObservableMvxPropertySourceBindingFactoryExtension.EmptyObjectArray);
if (source != null)
{
bindingSourceType = propertyTypeInfo.GenericTypeArguments[0];
bindingTypeParameter = (bindingSourceType.GetTypeInfo().IsValueType)
? bindingSourceType
: typeof(object);
}
}
}
}
}
if (bindingTypeParameter != null)
{
result = (IMvxSourceBinding)Activator.CreateInstance(
typeof(ObservableMvxSourceBinding <>).MakeGenericType(bindingTypeParameter),
source,
bindingSourceType,
this._mainThreadDispatcher,
remainingTokens);
return(true);
}
}
result = null;
return(false);
}
public bool TryCreateBinding(object source, MvxPropertyToken currentToken,
List<MvxPropertyToken> remainingTokens, out IMvxSourceBinding result)
{
if (source != null)
{
Type bindingSourceType = null;
Type bindingTypeParameter = null;
if (currentToken is MvxEmptyPropertyToken)
{
var observable = source as IObservable<object>;
if (observable != null)
{
result = new ObservableMvxSourceBinding<object>(observable, typeof(object), this._mainThreadDispatcher, remainingTokens);
return true;
}
var implementedInterface = source
.GetType()
.GetTypeInfo()
.ImplementedInterfaces
.FirstOrDefault(iface => ((iface.IsConstructedGenericType) && (iface.GetGenericTypeDefinition() == typeof(IObservable<>))));
if (implementedInterface != null)
bindingSourceType = bindingTypeParameter = implementedInterface.GenericTypeArguments[0];
}
else
{
var propertyNameToken = currentToken as MvxPropertyNamePropertyToken;
if (propertyNameToken != null)
{
var propertyInfo = this.FindPropertyInfo(source, propertyNameToken.PropertyName);
if (propertyInfo != null)
{
var propertyTypeInfo = propertyInfo.PropertyType.GetTypeInfo();
if ((propertyTypeInfo.IsGenericType) && (propertyTypeInfo.GetGenericTypeDefinition() == typeof(IObservable<>)))
{
source = propertyInfo.GetValue(source, ObservableMvxPropertySourceBindingFactoryExtension.EmptyObjectArray);
if (source != null)
{
bindingSourceType = propertyTypeInfo.GenericTypeArguments[0];
bindingTypeParameter = (bindingSourceType.GetTypeInfo().IsValueType)
? bindingSourceType
: typeof(object);
}
}
}
}
}
if (bindingTypeParameter != null)
{
result = (IMvxSourceBinding)Activator.CreateInstance(
typeof(ObservableMvxSourceBinding<>).MakeGenericType(bindingTypeParameter),
source,
bindingSourceType,
this._mainThreadDispatcher,
remainingTokens);
return true;
}
}
result = null;
return false;
}
private static void AssertIsSimplePropertyToken(MvxPropertyToken token, string text)
{
Assert.IsInstanceOf <MvxPropertyNamePropertyToken>(token);
Assert.AreEqual(text, ((MvxPropertyNamePropertyToken)token).PropertyName);
}
private static void AssertIsIndexerPropertyToken <T, TSpecific>(MvxPropertyToken token, T value)
{
Assert.IsInstanceOf <MvxIndexerPropertyToken <T> >(token);
Assert.IsInstanceOf <TSpecific>(token);
Assert.AreEqual(value, ((MvxIndexerPropertyToken <T>)token).Key);
}
protected virtual MvxChainedSourceBinding CreateChainedBinding(object source, MvxPropertyToken propertyToken,
List <MvxPropertyToken> remainingTokens)
{
var indexPropertyToken = propertyToken as MvxIndexerPropertyToken;
if (indexPropertyToken != null)
{
var itemPropertyInfo = FindPropertyInfo(source);
if (itemPropertyInfo == null)
{
return(null);
}
return(new MvxIndexerChainedSourceBinding(source, itemPropertyInfo, indexPropertyToken,
remainingTokens));
}
var propertyNameToken = propertyToken as MvxPropertyNamePropertyToken;
if (propertyNameToken != null)
{
var propertyInfo = FindPropertyInfo(source, propertyNameToken.PropertyName);
if (propertyInfo == null)
{
return(null);
}
return(new MvxSimpleChainedSourceBinding(source, propertyInfo,
remainingTokens));
}
throw new MvxException("Unexpected property chaining - seen token type {0}",
propertyToken.GetType().FullName);
}
private static void AssertIsSimplePropertyToken(MvxPropertyToken token, string text)
{
Assert.IsAssignableFrom <MvxPropertyNamePropertyToken>(token);
Assert.Equal(text, ((MvxPropertyNamePropertyToken)token).PropertyName);
}
private static void AssertIsIndexerPropertyToken <T, TSpecific>(MvxPropertyToken token, T value)
{
Assert.IsAssignableFrom <MvxIndexerPropertyToken <T> >(token);
Assert.IsAssignableFrom <TSpecific>(token);
Assert.Equal(value, ((MvxIndexerPropertyToken <T>)token).Key);
}
