public string GetPrevNextRecPath(string strStyle)
{
if (_recpaths.Count == 0)
{
return("");
}
while (true)
{
if (strStyle == "prev")
{
_currentIndex--;
}
else
{
_currentIndex++;
}
if (_currentIndex >= _recpaths.Count ||
_currentIndex < 0)
{
return("");
}
string recpath = _recpaths[_currentIndex];
// 遇到 Z39.50 命令行，要跳过去
if (BiblioSearchForm.IsCmdLine(recpath) == false)
{
return(recpath);
}
}
}
private void button_OK_Click(object sender, EventArgs e)
{
this.button_OK.Enabled = false;
if (this.listView_records.SelectedItems.Count == 0)
{
MessageBox.Show(this, "尚未选择事项");
this.button_OK.Enabled = true;
return;
}
if (this.listView_records.SelectedItems.Count == 1)
{
string strPath = this.listView_records.SelectedItems[0].SubItems[0].Text;
if (this.LoadNext != null &&
BiblioSearchForm.IsCmdLine(strPath))
{
LoadNextBatchEventArgs e1 = new LoadNextBatchEventArgs {
All = false
};
this.LoadNext(this, e1);
this.button_OK.Enabled = true;
return;
}
}
OnLoadDetail();
this.DialogResult = DialogResult.OK;
this.Close();
}
/*
* private void listView_records_DoubleClick(object sender, EventArgs e)
* {
* OnLoadDetail();
*
* this.DialogResult = DialogResult.OK;
* this.Close();
* }
*/
string GetFirstRecordPath()
{
foreach (ListViewItem item in this.listView_records.Items)
{
var path = item.Text;
if (BiblioSearchForm.IsCmdLine(path))
{
continue;
}
return(path);
}
return(null);
}
// 在固定面板区“浏览”属性页显示重复的书目记录列表
// parameters:
// strRecPathList 路径字符串列表，逗号分隔。如果为空，表示要清除浏览窗口中原有的内容
public int DisplayDupBiblioList(string strRecPathList,
out string strError)
{
strError = "";
BiblioSearchForm search_form = null;
if (this.CurrentBrowseControl != null)
{
search_form = GetOwnerBiblioSearchForm(this.CurrentBrowseControl);
}
if (search_form == null)
{
search_form = new BiblioSearchForm();
search_form.Show();
search_form.DoDock(true);
}
else
{
search_form.ClearListViewItems();
}
this.ActivateFixPage("browse");
List <string> list = StringUtil.SplitList(strRecPathList);
search_form.EnableControls(false);
if (list.Count == 0)
{
search_form.ClearListViewItems();
}
else
{
foreach (string recpath in list)
{
search_form.AddLineToBrowseList(recpath);
}
}
search_form.EnableControls(true);
if (list.Count > 0)
{
search_form.RefreshAllLines();
}
return(0);
}
public string GetPrevNextRecPath(string strStyle)
{
REDO:
ListViewItem item = BiblioSearchForm.MoveSelectedItem(this.listView_records, strStyle);
if (item == null)
{
return("");
}
string text = ListViewUtil.GetItemText(item, 0);
// 遇到 Z39.50 命令行，要跳过去
if (BiblioSearchForm.IsCmdLine(text))
{
goto REDO;
}
return(text);
}
// 根据 ListView 找到它所从属的 BiblioSearchForm
public BiblioSearchForm GetOwnerBiblioSearchForm(Control listView)
{
if (_dockedBiblioSearchForm != null && _dockedBiblioSearchForm.ListViewRecords == listView)
{
return(_dockedBiblioSearchForm);
}
foreach (Form child in this.MdiChildren)
{
if (child is BiblioSearchForm)
{
BiblioSearchForm searchForm = (BiblioSearchForm)child;
if (searchForm.ListViewRecords == listView)
{
return(searchForm);
}
}
}
return(null);
}
private void listView_records_MouseUp(object sender, MouseEventArgs e)
{
if (e.Button != MouseButtons.Right)
{
return;
}
ContextMenu contextMenu = new ContextMenu();
MenuItem menuItem = null;
int nSelectedItemCount = this.listView_records.SelectedItems.Count;
string strFirstColumn = "";
if (nSelectedItemCount > 0)
{
strFirstColumn = ListViewUtil.GetItemText(this.listView_records.SelectedItems[0], 0);
}
if (nSelectedItemCount == 1 && BiblioSearchForm.IsCmdLine(strFirstColumn))
{
CommandPopupMenu(sender, e);
return;
}
}
Hashtable _biblioXmlTable = new Hashtable(); // biblioRecPath --> xml
private void button_search_Click(object sender, EventArgs e)
{
string strError = "";
int nRet = 0;
// 按下 Control 的时候空字符串也可以检索
if (!(Control.ModifierKeys == Keys.Control) &&
string.IsNullOrEmpty(this.textBox_queryWord.Text) == true)
{
strError = "请输入检索词";
goto ERROR1;
}
this._biblioXmlTable.Clear();
this._biblioRecPaths.Clear();
this.dpTable_items.Rows.Clear();
LibraryChannel channel = this.GetChannel();
Progress.Style = StopStyle.EnableHalfStop;
Progress.OnStop += new StopEventHandler(this.DoStop);
Progress.Initial("正在检索 ...");
Progress.BeginLoop();
this.EnableControls(false);
m_nInSearching++;
this.SetFloatMessage("waiting", "正在检索 ...");
try
{
if (this.comboBox_from.Text == "")
{
strError = "尚未选定检索途径";
goto ERROR1;
}
string strFromStyle = "";
try
{
strFromStyle = BiblioSearchForm.GetBiblioFromStyle(this.comboBox_from.Text);
}
catch (Exception ex)
{
strError = "GetBiblioFromStyle() exception: " + ExceptionUtil.GetAutoText(ex);
goto ERROR1;
}
if (String.IsNullOrEmpty(strFromStyle) == true)
{
strError = "GetFromStyle()没有找到 '" + this.comboBox_from.Text + "' 对应的style字符串";
goto ERROR1;
}
string strMatchStyle = "left"; // BiblioSearchForm.GetCurrentMatchStyle(this.comboBox_matchStyle.Text);
if (this.textBox_queryWord.Text == "")
{
if (strMatchStyle == "null")
{
this.textBox_queryWord.Text = "";
// 专门检索空值
strMatchStyle = "exact";
}
else
{
// 为了在检索词为空的时候，检索出全部的记录
strMatchStyle = "left";
}
}
else
{
if (strMatchStyle == "null")
{
strError = "检索空值的时候，请保持检索词为空";
goto ERROR1;
}
}
string strQueryWord = GetBiblioQueryString();
string strQueryXml = "";
long lRet = channel.SearchBiblio(Progress,
this.GetBiblioDbNames(), // "<全部>",
strQueryWord, // this.textBox_queryWord.Text,
1000,
strFromStyle,
strMatchStyle,
this.Lang,
null, // strResultSetName
"", // strSearchStyle
"", // strOutputStyle
"",
out strQueryXml,
out strError);
if (lRet == -1)
{
goto ERROR1;
}
// TODO: 最多检索1000条的限制，可以作为参数配置？
long lHitCount = lRet;
if (lHitCount == 0)
{
strError = "从途径 '" + strFromStyle + "' 检索 '" + strQueryWord + "' 没有命中";
this.SetFloatMessage("", strError);
this.textBox_queryWord.SelectAll();
this.textBox_queryWord.Focus();
return;
}
long lStart = 0;
long lPerCount = Math.Min(50, lHitCount);
DigitalPlatform.LibraryClient.localhost.Record[] searchresults = null;
// 装入浏览格式
for (; ;)
{
Application.DoEvents(); // 出让界面控制权
if (Progress != null)
{
if (Progress.State != 0)
{
// MessageBox.Show(this, "用户中断");
break; // 已经装入的还在
}
}
Progress.SetMessage("正在装入书目记录ID " + (lStart + 1).ToString() + " - " + (lStart + lPerCount).ToString() + " (命中 " + lHitCount.ToString() + " 条记录) ...");
lRet = channel.GetSearchResult(
Progress,
null, // strResultSetName
lStart,
lPerCount,
this.FunctionType == "read" ? "id,xml" : "id", // "id,cols",
this.Lang,
out searchresults,
out strError);
if (lRet == -1)
{
if (Progress.State != 0)
{
// MessageBox.Show(this, "用户中断");
break;
}
goto ERROR1;
}
if (lRet == 0)
{
strError = "未命中";
goto ERROR1;
}
// 处理浏览结果
foreach (DigitalPlatform.LibraryClient.localhost.Record record in searchresults)
{
this._biblioRecPaths.Add(record.Path);
// 存储书目记录 XML
if (this.FunctionType == "read" && record.RecordBody != null)
{
this._biblioXmlTable[record.Path] = record.RecordBody.Xml;
}
}
lStart += searchresults.Length;
// lCount -= searchresults.Length;
if (lStart >= lHitCount || lPerCount <= 0)
{
break;
}
}
this.SetFloatMessage("waiting", "正在装入册记录 ...");
Progress.SetProgressRange(0, this._biblioRecPaths.Count);
// 将每条书目记录下属的册记录装入
int i = 0;
foreach (string strBiblioRecPath in this._biblioRecPaths)
{
Application.DoEvents();
if (Progress.State != 0)
{
break;
}
nRet = LoadBiblioSubItems(
channel,
strBiblioRecPath,
out strError);
if (nRet == -1)
{
goto ERROR1;
}
Progress.SetProgressValue(++i);
}
// MessageBox.Show(this, Convert.ToString(lRet) + " : " + strError);
}
finally
{
Progress.EndLoop();
Progress.OnStop -= new StopEventHandler(this.DoStop);
Progress.Initial("");
Progress.HideProgress();
// this.button_search.Enabled = true;
this.EnableControls(true);
this.ReturnChannel(channel);
m_nInSearching--;
}
int nClickableCount = GetClickableCount();
if (nClickableCount == 0)
{
this.SetFloatMessage("", "没有可用的册记录");
}
else
{
this.SetFloatMessage("", "");
SelectFirstUseableItem();
if (nClickableCount == 1 &&
this.AutoOperSingleItem == true)
{
this.dpTable_items_DoubleClick(this, new EventArgs());
}
}
this.textBox_queryWord.SelectAll();
return;
ERROR1:
this.SetFloatMessage("", strError);
if (this.Visible == true)
{
MessageBox.Show(this, strError);
}
this.textBox_queryWord.SelectAll();
this.textBox_queryWord.Focus();
}
// 装载数据
public override bool LoadData()
{
string strError = "";
int nRet = 0;
BiblioInfo info = this.BiblioInfo;
string strRecPath = this.BiblioInfo.RecPath;
if (string.IsNullOrEmpty(info.OldXml) == true)
{
lock (syncRoot)
{
channel = this.Container.MainForm.GetChannel();
}
try
{
// 显示 正在处理
this.HTML = GetWaitingHtml("正在获取书目记录 " + strRecPath);
ShowData();
string[] results = null;
byte[] baTimestamp = null;
// 获得书目记录
channel.Timeout = new TimeSpan(0, 0, 5);
long lRet = channel.GetBiblioInfos(
Stop,
strRecPath,
"",
new string[] { "xml" }, // formats
out results,
out baTimestamp,
out strError);
if (lRet == 0)
{
nRet = -1;
strError = "获取书目记录 " + strRecPath + " 时出错: " + strError;
}
else if (lRet == -1)
{
nRet = -1;
strError = "获取书目记录 " + strRecPath + " 时出错: " + strError;
}
else
{
if (results == null || results.Length == 0)
{
strError = "results error";
throw new Exception(strError);
}
// TODO: 对 BiblioInfo 的成员进行操作的时候，是否要 lock 一下对象?
string strXml = results[0];
info.OldXml = strXml;
info.Timestamp = baTimestamp;
info.RecPath = strRecPath;
}
}
finally
{
LibraryChannel temp_channel = channel;
lock (syncRoot)
{
channel = null;
}
this.Container.MainForm.ReturnChannel(temp_channel);
}
}
string strXml1 = "";
string strHtml2 = "";
string strXml2 = "";
if (nRet == -1)
{
strHtml2 = HttpUtility.HtmlEncode(strError);
}
else
{
nRet = BiblioSearchForm.GetXmlHtml(info,
out strXml1,
out strXml2,
out strHtml2,
out strError);
if (nRet == -1)
{
throw new Exception(strError);
}
}
this.HTML = "<html>" +
this.Container.MainForm.GetMarcHtmlHeadString(true) +
"<body>" +
strHtml2 +
EntityForm.GetTimestampHtml(info.Timestamp) +
"</body></html>";
this.XML = BiblioSearchForm.MergeXml(strXml1, strXml2);
return(true);
}
void menu_exportToBiblioSearchForm_Click(object sender, EventArgs e)
{
string strError = "";
if (this.listView_records.SelectedItems.Count == 0)
{
strError = "尚未选定要装入其它查询窗的行";
goto ERROR1;
}
BiblioSearchForm form = new BiblioSearchForm();
form.MdiParent = this.MainForm;
form.Show();
form.EnableControls(false);
foreach (ListViewItem item in this.listView_records.SelectedItems)
{
string strLine = Global.BuildLine(item);
form.AddLineToBrowseList(strLine);
}
form.EnableControls(true);
return;
ERROR1:
MessageBox.Show(this, strError);
}
// 在一个新开的书目查询窗内检索key
void listView_searchKeysAtNewWindow_Click(object sender, EventArgs e)
{
if (this.listView_records.SelectedItems.Count == 0)
{
MessageBox.Show(this, "尚未在列表中选定要操作的事项");
return;
}
BiblioSearchForm form = new BiblioSearchForm();
form.MdiParent = this.MainForm;
// form.MainForm = this.MainForm;
form.Show();
ItemQueryParam query = (ItemQueryParam)this.listView_records.SelectedItems[0].Tag;
Debug.Assert(query != null, "");
ItemQueryParam input_query = new ItemQueryParam();
input_query.QueryWord = ListViewUtil.GetItemText(this.listView_records.SelectedItems[0], 1);
input_query.DbNames = query.DbNames;
input_query.From = query.From;
input_query.MatchStyle = "精确一致";
// 检索命中记录(而不是key)
form.DoSearch(false, false, input_query);
}
// TODO: 优化后，和导出书目记录路径文件合并代码
// 将从属的书目记录装入书目查询窗
void menu_exportToBiblioSearchForm_Click(object sender, EventArgs e)
{
string strError = "";
int nRet = 0;
if (this.listView_records.SelectedItems.Count == 0)
{
strError = "尚未选定要装入书目查询窗的行";
goto ERROR1;
}
BiblioSearchForm form = new BiblioSearchForm();
form.MdiParent = this.MainForm;
form.Show();
int nWarningLineCount = 0;
int nDupCount = 0;
stop.Style = StopStyle.EnableHalfStop;
stop.OnStop += new StopEventHandler(this.DoStop);
stop.Initial("正在装入记录到书目查询窗 ...");
stop.BeginLoop();
form.EnableControls(false);
try
{
#if NO
List<string> biblio_recpaths = new List<string>();
Hashtable table = new Hashtable();
foreach (ListViewItem item in this.listView_records.SelectedItems)
{
Application.DoEvents(); // 出让界面控制权
if (stop != null
&& stop.State != 0)
{
strError = "用户中断";
goto ERROR1;
}
int nCol = -1;
string strBiblioRecPath = "";
// 获得事项所从属的书目记录的路径
// return:
// -1 出错
// 0 相关数据库没有配置 parent id 浏览列
// 1 找到
nRet = GetBiblioRecPath(item,
true,
out nCol,
out strBiblioRecPath,
out strError);
if (nRet == -1)
goto ERROR1;
if (nRet == 0)
{
// TODO: 转而采用检索法获得书目记录路径
nWarningLineCount++;
continue;
}
// 去重，并保持原始顺序
if (table.ContainsKey(strBiblioRecPath) == false)
{
biblio_recpaths.Add(strBiblioRecPath);
table[strBiblioRecPath] = 1;
}
else
nDupCount++;
}
#endif
List<string> biblio_recpaths = new List<string>();
nRet = GetSelectedBiblioRecPath(out biblio_recpaths,
ref nWarningLineCount,
ref nDupCount,
out strError);
if (nRet == -1)
goto ERROR1;
foreach (string path in biblio_recpaths)
{
form.AddLineToBrowseList(path);
}
}
finally
{
form.EnableControls(true);
stop.EndLoop();
stop.OnStop -= new StopEventHandler(this.DoStop);
stop.Initial("");
stop.HideProgress();
stop.Style = StopStyle.None;
}
form.RefreshAllLines();
string strText = "";
if (nWarningLineCount > 0)
strText = "有 " + nWarningLineCount.ToString() + " 行因为相关库浏览格式没有包含父记录 ID 列而被忽略";
if (nDupCount > 0)
{
if (string.IsNullOrEmpty(strText) == false)
strText += "\r\n\r\n";
strText += "书目记录有 " + nDupCount.ToString() + " 项重复被忽略";
}
if (string.IsNullOrEmpty(strText) == false)
MessageBox.Show(this, strText);
return;
ERROR1:
MessageBox.Show(this, strError);
}