public bool SetElement(IConfigurationItemViewModel element, bool isUp)
{
if (ChildStructItemViewModels.Contains(element))
{
int moveIndexFrom = ChildStructItemViewModels.IndexOf(element as IEditorConfigurationItemViewModel);
int moveIndexTo;
bool valid = false;
if (isUp)
{
moveIndexTo = moveIndexFrom - 1;
valid = (moveIndexTo >= 0) && (moveIndexFrom > 0);
}
else
{
moveIndexTo = moveIndexFrom + 1;
valid = moveIndexFrom < ChildStructItemViewModels.Count - 1;
}
if (valid)
{
element.Checked?.Invoke(false);
ChildStructItemViewModels.Move(moveIndexFrom, moveIndexTo);
//}
this.Checked?.Invoke(false);
this.Checked?.Invoke(true);
return(true);
}
else
{
throw new Exception("invalid data input");
}
}
return(false);
}
public bool GetIsSetElementPossible(IConfigurationItemViewModel element, bool isUp)
{
if (ChildStructItemViewModels.Contains(element))
{
int startIndex = ChildStructItemViewModels.IndexOf(element as IEditorConfigurationItemViewModel);
return(isUp ? startIndex > 0 : ChildStructItemViewModels.Count - 1 > startIndex);
}
return(false);
}
public bool GetIsSetElementPossible(IConfigurationItemViewModel element, bool isUp)
{
if (ChildStructItemViewModels.Contains(element))
{
if (isUp)
{
if (ChildStructItemViewModels.IndexOf(element as IEditorConfigurationItemViewModel) >
0)
{
return(true);
}
}
else
{
if (ChildStructItemViewModels.IndexOf(element as IEditorConfigurationItemViewModel) <
ChildStructItemViewModels.Count - 1)
{
return(true);
}
}
}
return(false);
}