protected static object GetAsyncValue(string asyncId, bool singleValue, AsyncDialogCallback callback, bool IsDialog)
{
var context = WebContext.Current;
var request = context.Request;
var response = context.Response;
if (singleValue)
{
var rValue = request.Arguments.Get(asyncId);
if (String.IsNullOrEmpty(rValue))
{
var value = request.Headers[EventType.Dialog];
var isSVs = false;
if (String.IsNullOrEmpty(value) && request.Headers.ContainsKey(EventType.Dialog))
{
var meValue = request.Headers.GetMeta(EventType.Dialog);
if (meValue != null)
{
value = meValue[asyncId];
}
}
if (String.IsNullOrEmpty(value))
{
if (IsDialog == false)
{
if (WebRuntime.Current.Items.ContainsKey(context.CurrentActivity) == false)
{
value = request.SendValue;
}
if (String.IsNullOrEmpty(value))
{
var obj = request.Headers.GetDictionary()[request.Model];
if (obj is WebMeta)
{
var mob = ((WebMeta)obj);
value = mob[asyncId];
mob.Remove(asyncId);
isSVs = true;
}
else if (obj is IDictionary)
{
var idc = ((IDictionary)obj);
value = idc[asyncId] as string;
idc.Remove(asyncId);
isSVs = true;
}
}
}
}
if (String.IsNullOrEmpty(value) == false)
{
if (isSVs)
{
request.Arguments[(asyncId)] = value;
return(value);
}
else if (WebRuntime.Current.Items.ContainsKey(context.CurrentActivity) == false)
{
WebRuntime.Current.Items.Add(context.CurrentActivity, true);
request.Arguments[(asyncId)] = value;
return(value);
}
}
var dialog = callback(asyncId);
dialog.AsyncId = asyncId;
if (dialog is POSDialogValue)
{
var dv = dialog as POSDialogValue;
request.Arguments[(asyncId)] = dv.InputValue;
return(dv.InputValue);
}
response.RedirectDialog(request.Model, request.Command, dialog, request);
}
return(rValue);
}
else
{
var rValue = request.Arguments.GetMeta(asyncId);
if (rValue == null)
{
rValue = request.Headers.GetMeta(EventType.Dialog);//?? request.SendValues;
if (rValue == null)
{
if (request.SendValues != null && request.SendValues.ContainsKey(KEY_DIALOG_ID))
{
if (request.SendValues[KEY_DIALOG_ID] == asyncId)
{
rValue = new WebMeta(request.SendValues.GetDictionary());
rValue.Remove(KEY_DIALOG_ID);
var em = request.Arguments.GetDictionary().GetEnumerator();
while (em.MoveNext())
{
rValue.Remove(em.Key as string);
}
}
}
}
if (rValue == null || WebRuntime.Current.Items.ContainsKey(context.CurrentActivity))
{
var dialog = callback(asyncId);
dialog.AsyncId = asyncId;
if (dialog is POSFromValue)
{
var dfv = dialog as POSFromValue;
request.Arguments.Set(asyncId, dfv.InputValues);
return(dfv.InputValues);
}
response.RedirectDialog(request.Model, request.Command, dialog, request);
}
else
{
WebRuntime.Current.Items.Add(context.CurrentActivity, true);
request.Arguments.Set(asyncId, rValue);;
}
}
return(rValue);
}
}
//public static string (string asyncId, AsyncDialogCallback callback)
//{
// return GetAsyncValue(asyncId, true, callback, false) as string;
//}
public static string AsyncDialog(string asyncId, AsyncDialogCallback callback, bool IsDialogValue)
{
return(GetAsyncValue(asyncId, true, callback, IsDialogValue) as string);
}
/// <summary>
/// 单值对话框
/// </summary>
protected string AsyncDialog(string asyncId, AsyncDialogCallback callback, bool isDialog)
{
return(AsyncDialog(asyncId, callback, isDialog));
}
/// <summary>
/// 获取异步对话框的值
/// </summary>
/// <param name="asyncId">异步值Id</param>
/// <param name="callback">对话框回调方法</param>
public static string AsyncDialog(string asyncId, AsyncDialogCallback callback)
{
return(GetAsyncValue(asyncId, true, callback, false) as string);
}
/// <summary>
/// 获取异步对话框的值
/// </summary>
/// <param name="asyncId">异步值Id</param>
/// <param name="callback">对话框回调方法</param>
/// <returns></returns>
public static new WebMeta AsyncDialog(string asyncId, AsyncDialogCallback callback)
{
return(GetAsyncValue(asyncId, false, callback, false) as WebMeta);
}
