private static void BindingControl(ITagLink taglink, List <TagNodeHandle> valueChangedList, ExpressionEval eval)
{
var ctrl = taglink as UIElement;
if (ctrl == null)
{
return;
}
var complex = taglink as ITagReader;
if (complex != null)
{
string txt = complex.TagReadText;
if (!string.IsNullOrEmpty(txt))
{
foreach (var v in txt.GetListFromText())
{
ITagLink tagConn = complex;
string[] strs = v.Key.Split('.');
if (strs.Length > 1)
{
for (int i = 0; i < strs.Length - 1; i++)
{
var c = tagConn as ITagReader;
if (c == null || c.Children == null)
{
break;
}
foreach (var item in c.Children)
{
if (item.Node == strs[i])
{
tagConn = item;
break;
}
}
}
}
var r = tagConn as ITagReader;
var key = strs[strs.Length - 1];
try
{
var action = r.SetTagReader(key, eval.Eval(v.Value));
if (action != null)
{
action();
ValueChangedEventHandler handle = (s1, e1) =>
{
ctrl.InvokeAsynchronously(action);
};
foreach (ITag tag in eval.TagList)
{
valueChangedList.Add(new TagNodeHandle(tag.ID, key, tagConn, handle));
tag.ValueChanged += handle;
}
}
}
catch (Exception e)
{
App.AddErrorLog(e);
MessageBox.Show(string.Format("设备'{0}'属性'{1}'的值'{2}'转化出错！", string.IsNullOrEmpty(r.Node) ? r.GetType().ToString() : r.Node, key, v.Value));
}
if (Attribute.IsDefined(tagConn.GetType(), typeof(StartableAttribute), false))
{
FrameworkElement element = tagConn as FrameworkElement;
element.Cursor = Cursors.UpArrow;
element.AddHandler(UIElement.MouseEnterEvent, new MouseEventHandler(element_MouseEnter));
element.AddHandler(UIElement.MouseLeaveEvent, new MouseEventHandler(element_MouseLeave));
element.AddHandler(UIElement.MouseLeftButtonDownEvent, new MouseButtonEventHandler(element_MouseLeftButtonDown));
}
var hmi = tagConn as HMIControlBase;
if (hmi != null && hmi.ShowCaption && !string.IsNullOrEmpty(hmi.Caption))
{
AdornerLayer lay = AdornerLayer.GetAdornerLayer(hmi);
if (lay != null)
{
TextAdorner frame = new TextAdorner(hmi);
frame.Text = hmi.Caption;
lay.Add(frame);
}
}
}
}
}
var writer = taglink as ITagWriter;
if (writer != null && !string.IsNullOrEmpty(writer.TagWriteText))
{
var delgts = new List <Delegate>();
foreach (var item in writer.TagWriteText.GetListFromText())
{
try
{
if (!string.IsNullOrEmpty(item.Value))
{
delgts.Add(eval.WriteEval(item.Key, item.Value));
}
else
{
delgts.Add(eval.WriteEval(item.Key));
}
}
catch (Exception e)
{
App.AddErrorLog(e);
MessageBox.Show(string.Format("设备{0}变量{1}写入PLC公式转换失败", taglink.Node, item.Key) + "\n" + e.Message);
}
writer.SetTagWriter(delgts);
}
}
}