private static bool IsLadderGraphOpen(LadderNetworkViewModel ladderNetwork)
{
ladderNetwork.ClearSearchedFlag();
//首先检查元素的基本性质
if (!Assert(ladderNetwork))
{
return(true);
}
var rootElements = ladderNetwork.GetElements().Where(x => { return(x.Type == ElementType.Output); });
//检查上并联错误
int MinY = rootElements.First().Y;
foreach (var ele in rootElements)
{
if (ele.Y < MinY)
{
MinY = ele.Y;
}
}
var tempQueue = new Queue <BaseViewModel>(rootElements);
while (tempQueue.Count > 0)
{
var item = tempQueue.Dequeue();
if (!item.IsSearched)
{
item.IsSearched = true;
if (item.Y < MinY)
{
ladderNetwork.ErrorModels.Clear();
ladderNetwork.ErrorModels.Add(item);
return(true);
}
foreach (var ele in item.NextElements)
{
tempQueue.Enqueue(ele);
}
}
}
return(false);
}
private static bool IsLadderGraphShort(LadderNetworkViewModel ladderNetwork)
{
ladderNetwork.ClearSearchedFlag();
var rootElements = ladderNetwork.LadderElements.Where(x => { return(x.Type == ElementType.Output); });
Queue <BaseViewModel> tempQueue = new Queue <BaseViewModel>(rootElements);
while (tempQueue.Count > 0)
{
var ele = tempQueue.Dequeue();
if (!ele.IsSearched)
{
ele.IsSearched = true;
if (ele.Type != ElementType.Null && (!CheckLadderGraphShort(ladderNetwork, ele)))
{
return(true);
}
}
foreach (var item in ele.NextElements)
{
tempQueue.Enqueue(item);
}
}
return(false);
}
