public void AddAdapter(IBindingAdapter adapter)
{
Type targetClazz = adapter.TargetType;
if (adapters.ContainsKey(targetClazz))
{
throw new ApplicationException(String.Format("Adapter for class {0} is already registered.", targetClazz.Name));
}
adapters.Add(targetClazz, adapter);
}
public IBindingAdapter GetAdapterFor(Type clazz)
{
IBindingAdapter adapter = adapters[clazz];
if (null == adapter)
{
throw new ApplicationException(String.Format("Adapter for class {0} not found.", clazz.Name));
}
return(adapter);
}
/// <summary>
/// Connects Source and Target objects.
/// </summary>
public void Bind()
{
// Resolve binding mode and search converter if need
if (needAdapterAnyway)
{
if (adapter == null)
{
adapter = settings.GetAdapterFor(target.GetType());
}
realMode = mode == BindingMode.Default ? adapter.DefaultMode : mode;
}
else
{
realMode = mode == BindingMode.Default ? BindingMode.TwoWay : mode;
if (realMode == BindingMode.TwoWay || realMode == BindingMode.OneWayToSource)
{
if (!(target is INotifyPropertyChanged))
{
if (adapter == null)
{
adapter = settings.GetAdapterFor(target.GetType());
}
}
}
}
// Get properties info and check if they are collections
sourcePropertyInfo = source.GetType( ).GetProperty(sourceProperty);
if (null == adapter)
{
targetPropertyInfo = target.GetType( ).GetProperty(targetProperty);
}
Type targetPropertyClass = (null == adapter) ?
targetPropertyInfo.PropertyType : adapter.GetTargetPropertyClazz(targetProperty);
sourceIsObservable = typeof(IObservableList).IsAssignableFrom(sourcePropertyInfo.PropertyType);
targetIsObservable = typeof(IObservableList).IsAssignableFrom(targetPropertyClass);
// We need converter if data will flow from non-observable property to property of another class
if (targetPropertyClass != sourcePropertyInfo.PropertyType)
{
bool needConverter = false;
if (realMode == BindingMode.OneTime || realMode == BindingMode.OneWay || realMode == BindingMode.TwoWay)
{
needConverter |= !sourceIsObservable;
}
if (realMode == BindingMode.OneWayToSource || realMode == BindingMode.TwoWay)
{
needConverter |= !targetIsObservable;
}
//
if (needConverter)
{
if (converter == null)
{
converter = settings.GetConverterFor(targetPropertyClass, sourcePropertyInfo.PropertyType);
}
else
{
// Check if converter must be reversed
if (converter.FirstType.IsAssignableFrom(targetPropertyClass) &&
converter.SecondType.IsAssignableFrom(sourcePropertyInfo.PropertyType))
{
// Nothing to do, it's ok
}
else if (converter.SecondType.IsAssignableFrom(targetPropertyClass) &&
converter.FirstType.IsAssignableFrom(sourcePropertyInfo.PropertyType))
{
// Should be reversed
converter = new ReversedConverter(converter);
}
else
{
throw new Exception("Provided converter doesn't support conversion between " +
"specified properties.");
}
}
if (converter == null)
{
throw new Exception(String.Format("Converter for {0} -> {1} classes not found.",
targetPropertyClass.Name, sourcePropertyInfo.PropertyType.Name));
}
}
}
// Verify properties getters and setters for specified binding mode
if (realMode == BindingMode.OneTime || realMode == BindingMode.OneWay || realMode == BindingMode.TwoWay)
{
if (sourcePropertyInfo.GetGetMethod() == null)
{
throw new Exception("Source property getter not found");
}
if (sourceIsObservable)
{
if (null == adapter && targetPropertyInfo.GetGetMethod() == null)
{
throw new Exception("Target property getter not found");
}
if (!typeof(IList).IsAssignableFrom(targetPropertyClass))
{
throw new Exception("Target property class have to implement IList");
}
}
else
{
if (null == adapter && targetPropertyInfo.GetSetMethod() == null)
{
throw new Exception("Target property setter not found");
}
}
}
if (realMode == BindingMode.OneWayToSource || realMode == BindingMode.TwoWay)
{
if (null == adapter && targetPropertyInfo.GetGetMethod() == null)
{
throw new Exception("Target property getter not found");
}
if (targetIsObservable)
{
if (sourcePropertyInfo.GetGetMethod() == null)
{
throw new Exception("Source property getter not found");
}
if (!typeof(IList).IsAssignableFrom(sourcePropertyInfo.PropertyType))
{
throw new Exception("Source property class have to implement IList");
}
}
else
{
if (sourcePropertyInfo.GetSetMethod() == null)
{
throw new Exception("Source property setter not found");
}
}
}
// Subscribe to listeners
ConnectSourceAndTarget();
// Initial flush values
if (realMode == BindingMode.OneTime || realMode == BindingMode.OneWay || realMode == BindingMode.TwoWay)
{
UpdateTarget();
}
if (realMode == BindingMode.OneWayToSource || realMode == BindingMode.TwoWay)
{
UpdateSource();
}
this.bound = true;
}
/// <summary>
/// Connects Source and Target objects.
/// </summary>
public void Bind() {
// Resolve binding mode and search converter if need
if (needAdapterAnyway) {
if (adapter == null)
adapter = settings.GetAdapterFor(target.GetType());
realMode = mode == BindingMode.Default ? adapter.DefaultMode : mode;
} else {
realMode = mode == BindingMode.Default ? BindingMode.TwoWay : mode;
if (realMode == BindingMode.TwoWay || realMode == BindingMode.OneWayToSource) {
if (! (target is INotifyPropertyChanged))
if (adapter == null)
adapter = settings.GetAdapterFor( target.GetType() );
}
}
// Get properties info and check if they are collections
sourcePropertyInfo = source.GetType( ).GetProperty( sourceProperty );
if ( null == adapter )
targetPropertyInfo = target.GetType( ).GetProperty( targetProperty );
Type targetPropertyClass = (null == adapter) ?
targetPropertyInfo.PropertyType : adapter.GetTargetPropertyClazz(targetProperty);
sourceIsObservable = typeof(IObservableList).IsAssignableFrom( sourcePropertyInfo.PropertyType );
targetIsObservable = typeof(IObservableList).IsAssignableFrom(targetPropertyClass);
// We need converter if data will flow from non-observable property to property of another class
if (targetPropertyClass != sourcePropertyInfo.PropertyType) {
bool needConverter = false;
if (realMode == BindingMode.OneTime || realMode == BindingMode.OneWay || realMode == BindingMode.TwoWay)
needConverter |= !sourceIsObservable;
if (realMode == BindingMode.OneWayToSource || realMode == BindingMode.TwoWay)
needConverter |= !targetIsObservable;
//
if (needConverter) {
if ( converter == null )
converter = settings.GetConverterFor( targetPropertyClass, sourcePropertyInfo.PropertyType );
else {
// Check if converter must be reversed
if ( converter.FirstType.IsAssignableFrom( targetPropertyClass ) &&
converter.SecondType.IsAssignableFrom( sourcePropertyInfo.PropertyType ) ) {
// Nothing to do, it's ok
} else if ( converter.SecondType.IsAssignableFrom( targetPropertyClass ) &&
converter.FirstType.IsAssignableFrom( sourcePropertyInfo.PropertyType ) ) {
// Should be reversed
converter = new ReversedConverter( converter );
} else {
throw new Exception("Provided converter doesn't support conversion between " +
"specified properties.");
}
}
if (converter == null )
throw new Exception( String.Format("Converter for {0} -> {1} classes not found.",
targetPropertyClass.Name, sourcePropertyInfo.PropertyType.Name) );
}
}
// Verify properties getters and setters for specified binding mode
if (realMode == BindingMode.OneTime || realMode == BindingMode.OneWay || realMode == BindingMode.TwoWay) {
if (sourcePropertyInfo.GetGetMethod() == null) throw new Exception( "Source property getter not found" );
if (sourceIsObservable) {
if (null == adapter && targetPropertyInfo.GetGetMethod() == null) throw new Exception( "Target property getter not found" );
if (!typeof(IList).IsAssignableFrom( targetPropertyClass ))
throw new Exception( "Target property class have to implement IList" );
} else {
if (null == adapter && targetPropertyInfo.GetSetMethod() == null)
throw new Exception( "Target property setter not found" );
}
}
if (realMode == BindingMode.OneWayToSource || realMode == BindingMode.TwoWay) {
if ( null == adapter && targetPropertyInfo.GetGetMethod() == null)
throw new Exception( "Target property getter not found" );
if ( targetIsObservable) {
if (sourcePropertyInfo.GetGetMethod() == null) throw new Exception( "Source property getter not found" );
if (!typeof(IList).IsAssignableFrom( sourcePropertyInfo.PropertyType ))
throw new Exception( "Source property class have to implement IList" );
} else {
if (sourcePropertyInfo.GetSetMethod() == null ) throw new Exception( "Source property setter not found" );
}
}
// Subscribe to listeners
ConnectSourceAndTarget();
// Initial flush values
if ( realMode == BindingMode.OneTime || realMode == BindingMode.OneWay || realMode == BindingMode.TwoWay)
UpdateTarget();
if (realMode == BindingMode.OneWayToSource || realMode == BindingMode.TwoWay)
UpdateSource();
this.bound = true;
}
public void AddAdapter(IBindingAdapter adapter) {
Type targetClazz = adapter.TargetType;
if ( adapters.ContainsKey( targetClazz ))
throw new ApplicationException( String.Format( "Adapter for class {0} is already registered.", targetClazz.Name ) );
adapters.Add( targetClazz, adapter );
}
