public void SetBinding(DependencyProperty dp, BindingBase binding)
{
Binding b = binding as Binding;
if (b == null)
{
throw new NotSupportedException("Unsupported binding type.");
}
this.SetBinding(dp, b);
}
protected virtual void Merge(PropertyMetadata baseMetadata, DependencyProperty dp)
{
if (this.defaultValue == null)
{
this.defaultValue = baseMetadata.defaultValue;
}
if (this.propertyChangedCallback == null)
{
this.propertyChangedCallback = baseMetadata.propertyChangedCallback;
}
if (this.coerceValueCallback == null)
{
this.coerceValueCallback = baseMetadata.coerceValueCallback;
}
}
public void SetBinding(DependencyProperty dp, string path)
{
this.SetBinding(dp, new Binding(path));
}
private object GetDefaultValue(DependencyProperty dp)
{
PropertyMetadata metadata = dp.GetMetadata(this);
FrameworkPropertyMetadata frameworkMetadata = metadata as FrameworkPropertyMetadata;
object result = metadata.DefaultValue;
if (frameworkMetadata != null && frameworkMetadata.Inherits)
{
if (this.dependencyParent != null)
{
result = this.dependencyParent.GetValue(dp);
}
}
return result;
}
internal DependencyPropertyKey(DependencyProperty dependencyProperty)
{
this.dependencyProperty = dependencyProperty;
}
internal static void Register(Type t, DependencyProperty dp)
{
Dictionary<string, DependencyProperty> typeDeclarations;
if (!propertyDeclarations.TryGetValue(t, out typeDeclarations))
{
typeDeclarations = new Dictionary<string, DependencyProperty>();
propertyDeclarations.Add(t, typeDeclarations);
}
if (!typeDeclarations.ContainsKey(dp.Name))
{
typeDeclarations[dp.Name] = dp;
}
else
{
throw new ArgumentException("A property named " + dp.Name + " already exists on " + t.Name);
}
}
internal bool IsUnset(DependencyProperty dependencyProperty)
{
return !this.properties.ContainsKey(dependencyProperty);
}
public static DependencyProperty RegisterAttached(
string name,
Type propertyType,
Type ownerType,
PropertyMetadata defaultMetadata,
ValidateValueCallback validateValueCallback)
{
if (defaultMetadata == null)
{
defaultMetadata = new PropertyMetadata();
}
DependencyProperty dp = new DependencyProperty(
true,
name,
propertyType,
ownerType,
defaultMetadata,
validateValueCallback);
DependencyObject.Register(ownerType, dp);
return dp;
}
public static DependencyProperty Register(
string name,
Type propertyType,
Type ownerType,
PropertyMetadata typeMetadata,
ValidateValueCallback validateValueCallback)
{
PropertyMetadata defaultMetadata;
if (typeMetadata == null)
{
defaultMetadata = typeMetadata = new PropertyMetadata();
}
else
{
defaultMetadata = new PropertyMetadata(typeMetadata.DefaultValue);
}
DependencyProperty dp = new DependencyProperty(
false,
name,
propertyType,
ownerType,
defaultMetadata,
validateValueCallback);
DependencyObject.Register(ownerType, dp);
dp.OverrideMetadata(ownerType, typeMetadata);
return dp;
}
internal LocalValueEntry(DependencyProperty property, object value)
{
this.property = property;
this.value = value;
}
protected void OnFreezablePropertyChanged(
DependencyObject oldValue,
DependencyObject newValue,
DependencyProperty property)
{
throw new NotImplementedException();
}
public Setter(DependencyProperty property, object value, string targetName)
{
this.Property = property;
this.Value = value;
this.TargetName = targetName;
}
public Setter(DependencyProperty property, object value)
{
this.Property = property;
this.Value = value;
}
protected virtual void OnApply(DependencyProperty dp, Type targetType)
{
}
public BindingExpression SetBinding(DependencyProperty dp, Binding binding)
{
PropertyPathParser pathParser = new PropertyPathParser();
BindingExpression expression = new BindingExpression(pathParser, this, dp, binding);
object oldValue = this.GetValue(dp);
object newValue = expression.GetValue();
this.propertyBindings.Add(dp, expression);
this.SetValueInternal(dp, oldValue, newValue);
return expression;
}
public void ClearValue(DependencyProperty dp)
{
if (this.IsSealed)
{
throw new InvalidOperationException("Cannot manipulate property values on a sealed DependencyObject");
}
this.properties.Remove(dp);
}
public void SetValue(DependencyProperty dp, object value)
{
if (this.IsSealed)
{
throw new InvalidOperationException("Cannot manipulate property values on a sealed DependencyObject.");
}
if (value != DependencyProperty.UnsetValue && !dp.IsValidType(value))
{
throw new ArgumentException("Value is not of the correct type for this DependencyProperty.");
}
if (dp.ValidateValueCallback != null && !dp.ValidateValueCallback(value))
{
throw new Exception("Value does not validate.");
}
object oldValue = this.GetValue(dp);
this.propertyBindings.Remove(dp);
this.SetValueInternal(dp, oldValue, value);
}
public void CoerceValue(DependencyProperty dp)
{
PropertyMetadata pm = dp.GetMetadata(this);
if (pm.CoerceValueCallback != null)
{
pm.CoerceValueCallback(this, this.GetValue(dp));
}
}
internal bool IsRegistered(Type t, DependencyProperty dp)
{
return GetAllProperties(t).Contains(dp);
}
public object GetValue(DependencyProperty dp)
{
object val;
if (!this.properties.TryGetValue(dp, out val))
{
val = this.GetDefaultValue(dp);
if (val == null && dp.PropertyType.IsValueType)
{
val = Activator.CreateInstance(dp.PropertyType);
}
}
return val;
}
protected virtual bool ShouldSerializeProperty(DependencyProperty dp)
{
throw new NotImplementedException();
}
public void InvalidateProperty(DependencyProperty dp)
{
BindingExpressionBase binding;
if (this.propertyBindings.TryGetValue(dp, out binding))
{
object oldValue = this.GetValue(dp);
object newValue = binding.GetValue();
this.SetValueInternal(dp, oldValue, newValue);
}
}
private void SetValueInternal(DependencyProperty dp, object oldValue, object newValue)
{
PropertyMetadata metadata = dp.GetMetadata(this);
if (metadata.CoerceValueCallback != null)
{
newValue = metadata.CoerceValueCallback(this, newValue);
}
if (newValue != DependencyProperty.UnsetValue && dp.IsValidValue(newValue))
{
this.properties[dp] = newValue;
}
else
{
this.properties.Remove(dp);
newValue = this.GetValue(dp);
}
if (!this.AreEqual(oldValue, newValue))
{
this.OnPropertyChanged(new DependencyPropertyChangedEventArgs(dp, oldValue, newValue));
}
}
public object ReadLocalValue(DependencyProperty dp)
{
object val = this.properties[dp];
return val == null ? DependencyProperty.UnsetValue : val;
}
internal LocalValueEntry(DependencyProperty property, object value)
{
this.property = property;
this.value = value;
}
internal void Merge(PropertyMetadata baseMetadata, DependencyProperty dp, Type targetType)
{
this.Merge(baseMetadata, dp);
this.OnApply(dp, targetType);
this.isSealed = true;
}
