internal void SetExpressionValue(object value, object baseValue)
{
ModifiedValue modifiedValue = this.EnsureModifiedValue();
modifiedValue.ExpressionValue = value;
this.IsExpression = true;
global::System.Diagnostics.Debug.Assert(object.Equals(baseValue, modifiedValue.BaseValue));
}
internal void ResetValue()
{
if (this.HasModifiers)
{
ModifiedValue modifiedValue = this.ModifiedValue;
this._source &= FullValueSource.ValueSourceMask;
this.Value = modifiedValue.BaseValue;
}
}
internal void SetExpressionFromStyleValue(object value, object baseValue)
{
ModifiedValue modifiedValue = this.EnsureModifiedValue();
global::System.Diagnostics.Debug.Assert(modifiedValue.ExpressionValue == null, "Can't set expression from style if local expression is set");
modifiedValue.ExpressionValue = value;
this.IsExpressionFromStyle = true;
global::System.Diagnostics.Debug.Assert(object.Equals(baseValue, modifiedValue.BaseValue));
}
internal void ResetExpressionFromStyleValue()
{
if (this.IsExpressionFromStyle)
{
ModifiedValue modifiedValue = this.ModifiedValue;
modifiedValue.ExpressionValue = null;
this.IsExpressionFromStyle = false;
if (!this.HasModifiers)
{
this.Value = modifiedValue.BaseValue;
}
}
}
internal void ResetCoercedValue()
{
if (this.IsCoerced)
{
ModifiedValue modifiedValue = this.ModifiedValue;
modifiedValue.CoercedValue = null;
this.IsCoerced = false;
if (!this.HasModifiers)
{
this.Value = modifiedValue.BaseValue;
}
}
}
internal void SetCoercedValue(object value, object baseValue, bool coerceWithCurrentValue)
{
ModifiedValue modifiedValue = this.EnsureModifiedValue();
if (this.IsCoercedWithCurrentValue)
{
baseValue = modifiedValue.BaseValue;
}
modifiedValue.CoercedValue = value;
this.IsCoerced = true;
this.IsCoercedWithCurrentValue = coerceWithCurrentValue;
global::System.Diagnostics.Debug.Assert(object.Equals(baseValue, modifiedValue.BaseValue) ||
object.Equals(baseValue, modifiedValue.ExpressionValue));
}
private ModifiedValue EnsureModifiedValue()
{
ModifiedValue modifiedValue;
if (this._value == null)
{
this._value = modifiedValue = new ModifiedValue();
}
else
{
modifiedValue = this._value as ModifiedValue;
if (modifiedValue == null)
{
modifiedValue = new ModifiedValue();
modifiedValue.BaseValue = this._value;
this._value = modifiedValue;
}
}
return(modifiedValue);
}