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); }