internal void AsyncGetImageFile(object sender,
AsyncGetImageEventArgs e)
{
string strError = "";
if (String.IsNullOrEmpty(e.RecPath) == true)
{
strError = "e.RecPath 为空，无法获得图像文件";
goto ERROR1;
}
if (StringUtil.HasHead(e.ObjectPath, "http:") == true)
{
EventFilter filter = new EventFilter();
// filter.BiblioRegister = biblioRegister;
filter.Row = e.Row;
filter.BiblioRecPath = e.RecPath;
this._imageManager.AsyncGetObjectFile(
"",
"",
e.ObjectPath,
e.FileName,
filter);
}
else
{
string strPath = "";
string strServerName = "";
StringUtil.ParseTwoPart(e.RecPath, "@", out strPath, out strServerName);
AccountInfo account = _base.GetAccountInfo(strServerName, false);
if (account == null)
{
strError = "e.RecPath 中 '" + e.RecPath + "' 服务器名 '" + strServerName + "' 没有配置";
goto ERROR1;
}
string strServerUrl = account.ServerUrl;
string strUserName = account.UserName;
if (EntityRegisterBase.IsDot(strServerUrl) == true)
strServerUrl = this.MainForm.LibraryServerUrl;
if (EntityRegisterBase.IsDot(strUserName) == true)
strUserName = this.MainForm.DefaultUserName;
EventFilter filter = new EventFilter();
// filter.BiblioRegister = biblioRegister;
filter.Row = e.Row;
filter.BiblioRecPath = e.RecPath;
// string strObjectPath = strPath + "/object/" + e.ObjectPath;
string strObjectPath = ScriptUtil.MakeObjectUrl(strPath, e.ObjectPath);
this._imageManager.AsyncGetObjectFile(strServerUrl,
strUserName,
strObjectPath,
e.FileName,
filter);
}
return;
ERROR1:
this.AsyncGetImageComplete(e.Row,
"",
null,
strError);
}
// public event AsyncGetImageEventHandler AsyncGetImage = null;
// bool CoverImageRequested = false; // 如果为 true ,表示已经请求了异步获取图像，不要重复请求
// 准备特定浏览行的封面图像
// parameters:
// bRetry 是否为重试？如果为 true，表示即便 info.CoverImageRquested == true 也要重做
void PrepareCoverImage(DpRow row,
bool bRetry = false)
{
Debug.Assert(row != null, "");
RegisterBiblioInfo info = row.Tag as RegisterBiblioInfo;
if (info == null)
return;
if (string.IsNullOrEmpty(info.CoverImageFileName) == false)
return;
if (string.IsNullOrEmpty(info.OldXml) == true)
return;
string strUrl = "";
{
string strError = "";
string strMARC = "";
string strMarcSyntax = "";
// 将XML格式转换为MARC格式
// 自动从数据记录中获得MARC语法
int nRet = MarcUtil.Xml2Marc(info.OldXml,
true,
null,
out strMarcSyntax,
out strMARC,
out strError);
if (nRet == -1)
{
Debug.Assert(false, "");
return;
}
if (string.IsNullOrEmpty(strMARC) == true)
return;
strUrl = ScriptUtil.GetCoverImageUrl(strMARC);
if (string.IsNullOrEmpty(strUrl) == true)
return;
}
#if NO
if (StringUtil.HasHead(strUrl, "http:") == true)
return;
#endif
if (info != null
&& bRetry == false
&& info.CoverImageRquested == true)
return;
// 通过 dp2library 协议获得图像文件
// if (this.AsyncGetImage != null)
{
AsyncGetImageEventArgs e = new AsyncGetImageEventArgs();
e.RecPath = row[1].Text;
e.ObjectPath = strUrl;
e.FileName = "";
e.Row = row;
this.AsyncGetImageFile(this, e);
// 修改状态，表示已经发出请求
if (row != null && info != null)
{
info.CoverImageRquested = true;
}
}
}
void _biblioRegister_AsyncGetImage(object sender, AsyncGetImageEventArgs e)
{
EntityRegisterControl container = this.Container as EntityRegisterControl;
BiblioRegisterControl biblioRegister = sender as BiblioRegisterControl;
container.AsyncGetImageFile(biblioRegister, e);
}
// 设置特定浏览行的封面图像
void SetCoverImage(DpRow row)
{
RegisterBiblioInfo info = row.Tag as RegisterBiblioInfo;
if (info == null)
goto CLEAR;
string strMARC = info.OldXml;
if (string.IsNullOrEmpty(strMARC) == true)
goto CLEAR;
string strUrl = ScriptUtil.GetCoverImageUrl(strMARC);
if (string.IsNullOrEmpty(strUrl) == true)
goto CLEAR;
#if NO
if (StringUtil.HasHead(strUrl, "http:") == true)
this.pictureBox1.LoadAsync(strUrl);
else
{
if (string.IsNullOrEmpty(info.CoverImageFileName) == false)
this.pictureBox1.LoadAsync(info.CoverImageFileName);
else
{
// 通过 dp2library 协议获得图像文件
if (this.AsyncGetImage != null)
{
string strBiblioRecPath = row[1].Text;
AsyncGetImageEventArgs e = new AsyncGetImageEventArgs();
e.RecPath = strBiblioRecPath;
e.ObjectPath = strUrl;
e.FileName = "";
e.Row = row;
this.AsyncGetImage(this, e);
}
}
}
#endif
// 设置封面图像
// 按照这样的次序：1) 如果是 http: 直接设置; 2) 如果有本地文件，直接设置; 3) 从服务器获取，然后异步设置
SetCoverImage(strUrl,
info.CoverImageFileName,
row[1].Text,
row);
return;
CLEAR:
this.pictureBox1.Image = null;
}
// 设置封面图像
// 按照这样的次序：1) 如果是 http: 直接设置; 2) 如果有本地文件，直接设置; 3) 从服务器获取，然后异步设置
void SetCoverImage(string strUrl,
string strLocalImageFileName,
string strBiblioRecPath,
DpRow row)
{
if (StringUtil.HasHead(strUrl, "http:") == true)
this.pictureBox1.LoadAsync(strUrl);
else
{
if (string.IsNullOrEmpty(strLocalImageFileName) == false)
this.pictureBox1.LoadAsync(strLocalImageFileName);
else
{
RegisterBiblioInfo info = null;
if (row != null)
info = row.Tag as RegisterBiblioInfo;
if (info != null && info.CoverImageRquested == true)
return;
// 通过 dp2library 协议获得图像文件
if (this.AsyncGetImage != null)
{
AsyncGetImageEventArgs e = new AsyncGetImageEventArgs();
e.RecPath = strBiblioRecPath;
e.ObjectPath = strUrl;
e.FileName = "";
e.Row = row;
this.AsyncGetImage(this, e);
// 修改状态，表示已经发出请求
if (row != null)
{
if (info != null)
info.CoverImageRquested = true;
}
else
{
this.CoverImageRequested = true;
}
}
}
}
}
// 准备特定浏览行的封面图像
void PrepareCoverImage(DpRow row)
{
Debug.Assert(row != null, "");
RegisterBiblioInfo info = row.Tag as RegisterBiblioInfo;
if (info == null)
return;
if (string.IsNullOrEmpty(info.CoverImageFileName) == false)
return;
string strMARC = info.OldXml;
if (string.IsNullOrEmpty(strMARC) == true)
return;
string strUrl = ScriptUtil.GetCoverImageUrl(strMARC);
if (string.IsNullOrEmpty(strUrl) == true)
return;
if (StringUtil.HasHead(strUrl, "http:") == true)
return;
if (info != null && info.CoverImageRquested == true)
return;
// 通过 dp2library 协议获得图像文件
if (this.AsyncGetImage != null)
{
AsyncGetImageEventArgs e = new AsyncGetImageEventArgs();
e.RecPath = row[1].Text;
e.ObjectPath = strUrl;
e.FileName = "";
e.Row = row;
this.AsyncGetImage(this, e);
// 修改状态，表示已经发出请求
if (row != null)
{
if (info != null)
info.CoverImageRquested = true;
}
else
{
this.CoverImageRequested = true;
}
}
}
