protected virtual bool CanCloseItemEditor(ItemEditedEventArgs <TItem> e)
{
if (e.Result)
{
ValidateResult result = ValidateResult.Valid;
if (Validator != null)
{
result = Validator.Validate(e.ActualItem);
}
else if (e.ActualItem is IValidable validableItem)
{
result = validableItem.Validate();
}
if (!result.IsValid)
{
DialogService.ShowMessage($"Form is not valid, fix errors before saving:\n{result.Error}", "Invalid form");
return(false);
}
}
else
{
if (e.ActualItem.IsDirty)
{
return(DialogService.ShowMessage("Are you sure you want to exit form? Changes won't be saved", "Unsaved changes", "Yes", "No", null).Result);
}
}
return(true);
}
private void DefaultOnItemEdited(object sender, ItemEditedEventArgs <TItem> args)
{
if (!args.Result)
{
args.ActualItem.CopyValues(args.CachedItem);
}
}
protected virtual void OnItemEdited(ItemEditedEventArgs <TItem> e)
{
if (ItemEdited == null)
{
ItemEdited = DefaultOnItemEdited;
}
ItemEdited.Invoke(this, e);
}
protected override bool CanCloseItemEditor(ItemEditedEventArgs <TItem> e)
{
if (e.Result)
{
if (Validator != null)
{
ValidationResult validation = Validator.Validate(e.ActualItem);
if (!validation.IsValid)
{
DialogService.ShowMessage("Form is not valid, fix errors before saving", "Invalid form");
return(false);
}
}
}
else
{
if (e.ActualItem.IsDirty)
{
return(DialogService.ShowMessage("Are you sure you want to exit form? Changes won't be saved", "Unsaved changes", "Yes", "No", null).Result);
}
}
return(true);
}
protected virtual bool CanCloseItemEditor(ItemEditedEventArgs <TItem> e) => true;