public ApplyValueResult TryApplyToInstance()
{
object newValue;
if (HasUserChangedAnything)
{
var result = mContainer.TryGetValueOnUi(out newValue);
if (result == ApplyValueResult.Success)
{
if (InstanceMember.BeforeSetByUi != null)
{
InstanceMember.CallBeforeSetByUi(mContainer);
}
// Hold on, the Before set may have actually changed the value, so we should get the value again.
mContainer.TryGetValueOnUi(out newValue);
if (newValue is string)
{
newValue = (newValue as string).Replace("\r", "");
}
// get rid of \r
return(mContainer.TrySetValueOnInstance(newValue));
}
else
{
if (InstanceMember.SetValueError != null)
{
InstanceMember.SetValueError(mAssociatedTextBox.Text);
}
}
}
return(ApplyValueResult.Success);
}
public ApplyValueResult TryApplyToInstance()
{
object newValue;
if (HasUserChangedAnything)
{
if (mContainer.TryGetValueOnUi(out newValue) == ApplyValueResult.Success)
{
if (InstanceMember.BeforeSetByUi != null)
{
InstanceMember.CallBeforeSetByUi(mContainer);
}
// Hold on, the Before set may have actually changed the value, so we should get the value again.
mContainer.TryGetValueOnUi(out newValue);
return(mContainer.TrySetValueOnInstance(newValue));
}
}
return(ApplyValueResult.Success);
}
internal void CallBeforeSetByUi(IDataUi dataUi)
{
if (BeforeSetByUi != null)
{
BeforePropertyChangedArgs args = new BeforePropertyChangedArgs();
object value;
dataUi.TryGetValueOnUi(out value);
args.NewValue = value;
BeforeSetByUi(this, args);
if (args.WasManuallySet)
{
// The event changed it, so let's force it back on the UI
dataUi.TrySetValueOnUi(args.OverridingValue);
}
}
}
public static ApplyValueResult TrySetValueOnInstance(this IDataUi dataUi)
{
ApplyValueResult result;
bool hasErrorOccurred;
GetIfValuesCanBeSetOnInstance(dataUi, out result, out hasErrorOccurred);
if (!hasErrorOccurred)
{
object valueOnUi;
result = dataUi.TryGetValueOnUi(out valueOnUi);
if (result == ApplyValueResult.Success)
{
dataUi.InstanceMember.Value = valueOnUi;
result = ApplyValueResult.Success;
dataUi.InstanceMember.CallAfterSetByUi();
}
}
return(result);
}
internal void CallBeforeSetByUi(IDataUi dataUi)
{
if (BeforeSetByUi != null)
{
BeforePropertyChangedArgs args = new BeforePropertyChangedArgs();
object value;
dataUi.TryGetValueOnUi(out value);
args.NewValue = value;
BeforeSetByUi(this, args);
if (args.WasManuallySet)
{
// The event changed it, so let's force it back on the UI
dataUi.TrySetValueOnUi(args.OverridingValue);
}
}
}
