/// <summary>
///
/// </summary>
/// <param name="ctr"></param>
/// <returns></returns>
public static ControlRenderMode GetControlRenderMode(Control ctr)
{
PageRenderMode pageRenderMode = WebUtility.GetRequestPageRenderMode();
ControlRenderMode renderMode = new ControlRenderMode(pageRenderMode);
PageRenderModePageCache currentPageCache = PageRenderModeHelper.GetPageRenderModeCache(ctr.Page);
PageRenderModePageCache requestPageCache = renderMode.PageCache;
int currentPageLevel = GetPageLevel(currentPageCache);
string currentPageUniqueID = GetPageUniqueID(currentPageCache);
int requestPageLevel = GetPageLevel(requestPageCache);
string requestPageUniqueID = GetPageUniqueID(requestPageCache);
if (requestPageLevel == currentPageLevel)
{
if (ctr.UniqueID == pageRenderMode.RenderControlUniqueID)
{
renderMode.OnlyRenderSelf = true;
}
}
else if (requestPageLevel > currentPageLevel)
{
string id = requestPageUniqueID.Split(',')[currentPageLevel];
if (ctr.UniqueID == id)
{
renderMode.OnlyRenderSelf = true;
}
}
return(renderMode);
}
/// <summary>
///
/// </summary>
/// <param name="ctr"></param>
/// <param name="renderMode"></param>
public static void CheckOnlyRenderSelf(Control ctr, ControlRenderMode renderMode)
{
if (renderMode.OnlyRenderSelf && renderMode.UseNewPage && ctr.Page.Items[WebUtility.PageRenderControlItemKey] != ctr)
{
Page currentPage = ctr.Page;
ctr.Parent.Controls.GetType().GetMethod("SetCollectionReadOnly", BindingFlags.NonPublic | BindingFlags.Instance).Invoke(ctr.Parent.Controls, new object[1] {
null
});
Page page = new Page();
PageRenderModePageCache currentPageCache = PageRenderModeHelper.GetPageRenderModeCache(currentPage);
PageRenderModePageCache pageCache = PageRenderModeHelper.GetPageRenderModeCache(page);
SetPageLevel(pageCache, GetPageLevel(currentPageCache) + 1);
string currentPageUniqueID = GetPageUniqueID(currentPageCache);
if (currentPageUniqueID != string.Empty)
{
currentPageUniqueID += ",";
}
SetPageUniqueID(pageCache, string.Format("{0}{1}", GetPageUniqueID(currentPageCache), ctr.UniqueID));
page.AppRelativeVirtualPath = ctr.Page.AppRelativeVirtualPath;
page.EnableEventValidation = false;
InitNewPageContent(page, ctr);
WebUtility.AttachPageModules(page);
page.ProcessRequest(HttpContext.Current);
HttpContext.Current.Response.End();
}
}
private void Load(string strData)
{
string[] strArray = strData.Split('^');
_UseNewPage = bool.Parse(strArray[0]);
_ContentTypeKey = strArray[1];
_DispositionType = (ResponseDispositionType)Enum.Parse(typeof(ResponseDispositionType), strArray[2], true);
_AttachmentFileName = strArray[3];
_RenderControlUniqueID = strArray[4];
_PageCache = PageRenderModeHelper.GetPageRenderModeCacheFromString(strArray[5]);
_RenderArgument = strArray[6];
}
public static PageRenderModePageCache GetPageRenderModeCache(Page page)
{
PageRenderModePageCache cache = (PageRenderModePageCache)page.Items[_S_PageRenderModeCacheKey];
if (cache == null)
{
cache = new PageRenderModePageCache();
page.Items[_S_PageRenderModeCacheKey] = cache;
}
return(cache);
}
/// <summary>
/// 通过页面输出状态，加载控件的输出状态
/// </summary>
/// <param name="pageRenderMode">页面输出模式</param>
/// <remarks>通过页面输出状态，加载控件的输出状态</remarks>
public void LoadFromPageRenderMode(PageRenderMode pageRenderMode)
{
//if (!string.IsNullOrEmpty(controlUniqueID) && controlUniqueID == pageRenderMode.RenderControlUniqueID)
//{
// this._OnlyRenderSelf = true;
//}
this._UseNewPage = pageRenderMode.UseNewPage;
this._ContentTypeKey = pageRenderMode.ContentTypeKey;
this._DispositionType = pageRenderMode.DispositionType;
this._AttachmentFileName = pageRenderMode.AttachmentFileName;
this._PageCache = pageRenderMode.PageCache;
this._RenderArgument = pageRenderMode.RenderArgument;
}
/// <summary>
///
/// </summary>
/// <param name="cache"></param>
/// <param name="level"></param>
public static void SetPageLevel(PageRenderModePageCache cache, int level)
{
cache[_S_PageLevelKey] = level;
}
/// <summary>
///
/// </summary>
/// <param name="cache"></param>
/// <returns></returns>
public static int GetPageLevel(PageRenderModePageCache cache)
{
int level = cache.GetValue <int>(_S_PageLevelKey, 0);
return(level);
}
/// <summary>
///
/// </summary>
/// <param name="cache"></param>
/// <param name="id"></param>
public static void SetPageUniqueID(PageRenderModePageCache cache, string id)
{
cache[_S_PageUniqueIDKey] = id;
}
/// <summary>
///
/// </summary>
/// <param name="cache"></param>
/// <returns></returns>
public static string GetPageUniqueID(PageRenderModePageCache cache)
{
string id = cache.GetValue <string>(_S_PageUniqueIDKey, string.Empty);
return(id == null ? string.Empty : (string)id);
}
public static string GetStringFromPageRenderModeCache(PageRenderModePageCache cache)
{
return(Json.JsonHelper.Serialize(cache));
}
