//检测根元素的非NULL元素集合是否相交
//private static bool IsAllLinkedToRoot(LadderNetworkViewModel ladderNetwork)
//{
// var rootElements = ladderNetwork.LadderElements.Values.Where(x => { return x.Type == ElementType.Output; });
// var tempList = new List<BaseViewModel>();
// tempList = GetRootLinkedEles(ladderNetwork, rootElements.ElementAt(0));
// for (int x = 1; x < rootElements.Count(); x++)
// {
// tempList = tempList.Intersect(GetRootLinkedEles(ladderNetwork,rootElements.ElementAt(x))).ToList();
// if (tempList.Count == 0)
// {
// ladderNetwork.ErrorModels.Clear();
// ladderNetwork.ErrorModels.Add(rootElements.First());//add error element
// return false;
// }
// }
// return true;
//}
//得到与根元素相关的最后一个非NULL元素集合
//private static List<BaseViewModel> GetRootLinkedEles(LadderNetworkViewModel ladderNetwork,BaseViewModel rootElement)
//{
// ladderNetwork.ClearSearchedFlag();
// List<BaseViewModel> tempList = new List<BaseViewModel>();
// Queue<BaseViewModel> tempQueue = new Queue<BaseViewModel>(rootElement.NextElements);
// while (tempQueue.Count > 0)
// {
// var ele = tempQueue.Dequeue();
// if (!ele.IsSearched)
// {
// ele.IsSearched = true;
// if (ele.NextElements.Exists(x => { return x.Type == ElementType.Null; }))
// {
// tempList.Add(ele);
// }
// else
// {
// foreach (var item in ele.NextElements)
// {
// tempQueue.Enqueue(item);
// }
// }
// }
// }
// return tempList;
//}
private static bool CheckElements(LadderNetworkViewModel ladderNetwork)
{
var tempElements = ladderNetwork.LadderElements.ToList();
for (int i = 0; i <= ladderNetwork.GetMaxY(); i++)
{
var tempList = tempElements.Where(x => { return(x.Y == i); }).ToList();
if (tempList.Count != 0 && tempList.Where(x => { return(x.Type == ElementType.Output || x.X == 0); }).Count() == 0)
{
tempList = tempElements.Where(x => { return(x.Y == i && x.Type == ElementType.HLine); }).ToList();
for (int j = 0; j < tempList.Count; j++)
{
if (!CheckHElement(ladderNetwork, tempList[j]))
{
return(false);
}
}
}
}
return(true);
}
/// <summary>
/// 删除移动后多余的空行
/// </summary>
/// <param name="ladderNetwork"></param>
private static void RemoveEmptyLines(LadderNetworkViewModel ladderNetwork)
{
ladderNetwork.RowCount = ladderNetwork.GetMaxY() + 1;
}