// 检索册信息过程中，处理结果集中每条记录的回调函数
void SearchItems_BrowseRecord(object sender, BrowseRecordEventArgs e)
{
ResPath respath = new ResPath(e.FullPath);
XmlDocument tempdom = null;
byte[] baTimeStamp = null;
string strError = "";
int nRet = this.SearchPanel.GetRecord(
respath.Url,
respath.Path,
out tempdom,
out baTimeStamp,
out strError);
if (nRet == -1)
{
goto ERROR1;
}
BookItem item = new BookItem(respath.Path, tempdom);
item.Timestamp = baTimeStamp;
this.Items.Add(item);
item.AddToListView(this.listView_items);
return;
ERROR1:
MessageBox.Show(this, strError);
}
void SearchPanel_BrowseRecord(object sender, BrowseRecordEventArgs e)
{
this.browseWindow.NewLine(e.FullPath,
e.Cols);
}
void BrowseRecordNoColsCallBack(object sender, BrowseRecordEventArgs e)
{
string strError = "";
if (e.FullPath == this.RecordFullPath)
return; // 当前记录自己并不要装入浏览窗
int nRet = FillList(
e.FullPath,
this.m_hit,
this.m_strWeightList,
/*
this.m_strSearchStyle,
this.m_nCurWeight,
this.m_nThreshold,
this.m_strSearchReason,
* */
out strError);
if (nRet == -1)
{
e.Cancel = true;
e.ErrorInfo = strError;
}
}
void BrowseRecordColsCallBack(object sender, BrowseRecordEventArgs e)
{
ListViewUtil.EnsureColumns(this.listView_browse,
3 + e.Cols.Length,
200);
ListViewItem item = (ListViewItem)this.m_tableItem[ResPath.GetReverseRecordPath(e.FullPath)];
if (item == null)
{
e.Cancel = true;
e.ErrorInfo = "路径为 '" + e.FullPath + "' 的事项在listview中不存在...";
return;
}
for (int j = 0; j < e.Cols.Length; j++)
{
ListViewUtil.ChangeItemText(item,
j + 3,
e.Cols[j]);
}
}
/// <summary>
/// 获取浏览记录。触发事件的版本
/// </summary>
/// <param name="fullpaths">若干记录全路径</param>
/// <param name="bReverse">fullpaths中路径是否为反转形式</param>
/// <param name="strStyle">检索风格</param>
/// <param name="strError">返回出错信息</param>
/// <returns>-1 error;0 not found;1 found</returns>
public int GetBrowseRecord(string[] fullpaths,
bool bReverse,
string strStyle,
out string strError)
{
strError = "";
int nRet = 0;
int nIndex = 0;
ArrayList aTempPath = new ArrayList();
ArrayList aTempRecord = new ArrayList();
string strLastUrl = "";
for (int i = 0; i <= fullpaths.Length; i++)
{
bool bPush = false;
ResPath respath = null;
if (i < fullpaths.Length)
{
string strFullPath = fullpaths[i];
if (bReverse == true)
{
strFullPath = ResPath.GetRegularRecordPath(strFullPath);
}
respath = new ResPath(strFullPath);
if (respath.Url != strLastUrl ||
aTempPath.Count >= 5) // 最大5条为一批。减少用户等待感
{
bPush = true;
}
}
else
{
bPush = true;
}
if (bPush == true && aTempPath.Count > 0)
{
string[] temppaths = new string[aTempPath.Count];
for (int j = 0; j < temppaths.Length; j++)
{
temppaths[j] = (string)aTempPath[j];
}
nRet = GetBrowseRecord(
strLastUrl,
temppaths,
strStyle,
out aTempRecord,
out strError);
if (nRet == -1)
{
return(-1);
}
// 触发事件
if (this.BrowseRecord != null)
{
for (int j = 0; j < aTempRecord.Count; j++)
{
BrowseRecordEventArgs e = new BrowseRecordEventArgs();
e.SearchCount = 0;
e.Index = nIndex++;
e.FullPath = strLastUrl + "?" + temppaths[j];
e.Cols = (string[])aTempRecord[j];
this.BrowseRecord(this, e);
if (e.Cancel == true)
{
if (e.ErrorInfo == "")
{
strError = "用户中断";
}
else
{
strError = e.ErrorInfo;
}
return(-2);
}
}
}
aTempRecord.Clear();
aTempPath.Clear();
}
if (i < fullpaths.Length)
{
aTempPath.Add(respath.Path);
strLastUrl = respath.Url;
}
} // end of for
return(0);
}
void BrowseRecordCallBack(object sender, BrowseRecordEventArgs e)
{
string strError = "";
int nRet = FillList(
this.CurrentNode,
e.FullPath,
out strError);
if (nRet == -1)
{
e.Cancel = true;
e.ErrorInfo = strError;
}
}
/// <summary>
/// 检索并获取浏览结果
/// </summary>
/// <param name="strServerUrl">服务器URL。如果==""或者==null，表示用this.ServerUrl</param>
/// <param name="strQueryXml"></param>
/// <param name="bGetBrowseCols">是否要获得浏览列</param>
/// <param name="strError"></param>
/// <returns>-2 用户中断;-1 一般错误;0 未命中; >=1 正常结束，返回命中条数</returns>
public long SearchAndBrowse(
string strServerUrl,
string strQueryXml,
bool bGetBrowseCols,
out string strError)
{
strError = "";
if (strServerUrl == null || strServerUrl == null)
{
strServerUrl = this.ServerUrl;
}
RmsChannel channelSave = channel;
channel = Channels.GetChannel(strServerUrl);
if (channel == null)
{
strError = "get channel error";
return(-1);
}
try
{
// 检索
long lRet = channel.DoSearch(strQueryXml,
"default",
"", // strOuputStyle
out strError);
if (lRet == -1)
{
return(-1);
}
if (lRet == 0)
{
return(0);
}
// 循环获取结果
long nHitCount = lRet;
long nStart = 0;
long nCount = 10;
long nIndex = 0;
for (; ;)
{
Application.DoEvents(); // 出让界面控制权
if (stop != null)
{
if (stop.State != 0)
{
strError = "用户中断";
return(-2);
}
}
List <string> aPath = null;
ArrayList aLine = null;
if (bGetBrowseCols == false)
{
lRet = channel.DoGetSearchResult(
"default",
nStart,
nCount,
"zh",
this.stop,
out aPath,
out strError);
}
else
{
lRet = channel.DoGetSearchFullResult(
"default",
nStart,
nCount,
"zh",
this.stop,
out aLine,
out strError);
}
if (lRet == -1)
{
strError = "获取检索结果时出错: " + strError;
return(-1);
}
if (bGetBrowseCols == false)
{
nStart += aPath.Count;
}
else
{
nStart += aLine.Count;
}
// 触发事件
if (this.BrowseRecord != null)
{
int nThisCount = 0;
if (bGetBrowseCols == false)
{
nThisCount = aPath.Count;
}
else
{
nThisCount = aLine.Count;
}
for (int j = 0; j < nThisCount; j++)
{
BrowseRecordEventArgs e = new BrowseRecordEventArgs();
e.SearchCount = nHitCount;
e.Index = nIndex++;
if (bGetBrowseCols == false)
{
e.FullPath = strServerUrl + "?" + (string)aPath[j];
}
else
{
string[] cols = (string[])aLine[j];
e.FullPath = strServerUrl + "?" + cols[0];
// 丢掉第一列
e.Cols = new string[Math.Max(cols.Length - 1, 0)];
Array.Copy(cols, 1, e.Cols, 0, cols.Length - 1);
}
this.BrowseRecord(this, e);
if (e.Cancel == true)
{
if (e.ErrorInfo == "")
{
strError = "用户中断";
}
else
{
strError = e.ErrorInfo;
}
return(-2);
}
}
}
if (nStart >= nHitCount)
{
break;
}
// 2006/9/24 add 防止nStart + nCount越界
if (nStart + nCount > nHitCount)
{
nCount = nHitCount - nStart;
}
else
{
nCount = 10;
}
}
return(nHitCount);
}
finally
{
channel = channelSave;
}
}
/// <summary>
/// 获取浏览记录。触发事件的版本
/// </summary>
/// <param name="fullpaths">若干记录全路径</param>
/// <param name="bReverse">fullpaths中路径是否为反转形式</param>
/// <param name="strStyle">检索风格</param>
/// <param name="strError">返回出错信息</param>
/// <returns>-1 error;0 not found;1 found</returns>
public int GetBrowseRecord(string [] fullpaths,
bool bReverse,
string strStyle,
out string strError)
{
strError = "";
int nRet = 0;
int nIndex = 0;
ArrayList aTempPath = new ArrayList();
ArrayList aTempRecord = new ArrayList();
string strLastUrl = "";
for(int i=0;i<=fullpaths.Length;i++)
{
bool bPush = false;
ResPath respath = null;
if (i<fullpaths.Length)
{
string strFullPath = fullpaths[i];
if (bReverse == true)
strFullPath = ResPath.GetRegularRecordPath(strFullPath);
respath = new ResPath(strFullPath);
if ( respath.Url != strLastUrl
|| aTempPath.Count >= 5) // 最大5条为一批。减少用户等待感
bPush = true;
}
else
{
bPush = true;
}
if ( bPush == true && aTempPath.Count > 0)
{
string [] temppaths = new string[aTempPath.Count];
for(int j=0;j<temppaths.Length;j++)
{
temppaths[j] = (string)aTempPath[j];
}
nRet = GetBrowseRecord(
strLastUrl,
temppaths,
strStyle,
out aTempRecord,
out strError);
if (nRet == -1)
return -1;
// 触发事件
if (this.BrowseRecord != null)
{
for(int j=0;j<aTempRecord.Count;j++)
{
BrowseRecordEventArgs e = new BrowseRecordEventArgs();
e.SearchCount = 0;
e.Index = nIndex ++;
e.FullPath = strLastUrl + "?" + temppaths[j];
e.Cols = (string[])aTempRecord[j];
this.BrowseRecord(this, e);
if (e.Cancel == true)
{
if (e.ErrorInfo == "")
strError = "用户中断";
else
strError = e.ErrorInfo;
return -2;
}
}
}
aTempRecord.Clear();
aTempPath.Clear();
}
if (i<fullpaths.Length)
{
aTempPath.Add(respath.Path);
strLastUrl = respath.Url;
}
} // end of for
return 0;
}
/// <summary>
/// 检索并获取浏览结果
/// </summary>
/// <param name="strServerUrl">服务器URL。如果==""或者==null，表示用this.ServerUrl</param>
/// <param name="strQueryXml"></param>
/// <param name="bGetBrowseCols">是否要获得浏览列</param>
/// <param name="strError"></param>
/// <returns>-2 用户中断;-1 一般错误;0 未命中; >=1 正常结束，返回命中条数</returns>
public long SearchAndBrowse(
string strServerUrl,
string strQueryXml,
bool bGetBrowseCols,
out string strError)
{
strError = "";
if (strServerUrl == null || strServerUrl == null)
strServerUrl = this.ServerUrl;
RmsChannel channelSave = channel;
channel = Channels.GetChannel(strServerUrl);
if (channel == null)
{
strError = "get channel error";
return -1;
}
try
{
// 检索
long lRet = channel.DoSearch(strQueryXml,
"default",
"", // strOuputStyle
out strError);
if (lRet == -1)
return -1;
if (lRet == 0)
return 0;
// 循环获取结果
long nHitCount = lRet;
long nStart = 0;
long nCount = 10;
long nIndex = 0;
for(;;)
{
Application.DoEvents(); // 出让界面控制权
if (stop != null)
{
if (stop.State != 0)
{
strError = "用户中断";
return -2;
}
}
List<string> aPath = null;
ArrayList aLine = null;
if (bGetBrowseCols == false)
{
lRet = channel.DoGetSearchResult(
"default",
nStart,
nCount,
"zh",
this.stop,
out aPath,
out strError);
}
else
{
lRet = channel.DoGetSearchFullResult(
"default",
nStart,
nCount,
"zh",
this.stop,
out aLine,
out strError);
}
if (lRet == -1)
{
strError = "获取检索结果时出错: " + strError;
return -1;
}
if (bGetBrowseCols == false)
nStart += aPath.Count;
else
nStart += aLine.Count;
// 触发事件
if (this.BrowseRecord != null)
{
int nThisCount = 0;
if (bGetBrowseCols == false)
nThisCount = aPath.Count;
else
nThisCount = aLine.Count;
for (int j = 0; j < nThisCount; j++)
{
BrowseRecordEventArgs e = new BrowseRecordEventArgs();
e.SearchCount = nHitCount;
e.Index = nIndex ++;
if (bGetBrowseCols == false)
{
e.FullPath = strServerUrl + "?" + (string)aPath[j];
}
else
{
string[] cols = (string[])aLine[j];
e.FullPath = strServerUrl + "?" + cols[0];
// 丢掉第一列
e.Cols = new string[Math.Max(cols.Length - 1, 0)];
Array.Copy(cols, 1, e.Cols, 0, cols.Length - 1);
}
this.BrowseRecord(this, e);
if (e.Cancel == true)
{
if (e.ErrorInfo == "")
strError = "用户中断";
else
strError = e.ErrorInfo;
return -2;
}
}
}
if (nStart >= nHitCount)
break;
// 2006/9/24 add 防止nStart + nCount越界
if (nStart + nCount > nHitCount)
nCount = nHitCount - nStart;
else
nCount = 10;
}
return nHitCount;
}
finally
{
channel = channelSave;
}
}
void SearchPanel_BrowseRecord(object sender, BrowseRecordEventArgs e)
{
this.browseWindow.NewLine(e.FullPath,
e.Cols);
}
// 检索册信息过程中，处理结果集中每条记录的回调函数
void SearchItems_BrowseRecord(object sender, BrowseRecordEventArgs e)
{
ResPath respath = new ResPath(e.FullPath);
XmlDocument tempdom = null;
byte[] baTimeStamp = null;
string strError = "";
int nRet = this.SearchPanel.GetRecord(
respath.Url,
respath.Path,
out tempdom,
out baTimeStamp,
out strError);
if (nRet == -1)
goto ERROR1;
BookItem item = new BookItem(respath.Path, tempdom);
item.Timestamp = baTimeStamp;
this.Items.Add(item);
item.AddToListView(this.listView_items);
return;
ERROR1:
MessageBox.Show(this, strError);
}
