// 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);
}
// 保存册信息
// (如何删除册信息还是一个棘手的问题)
int SaveItems(out string strError)
{
strError = "";
if (this.Items == null)
{
strError = "Items尚未初始化";
return(-1);
}
for (int i = 0; i < this.Items.Count; i++)
{
BookItem item = this.Items[i];
// 跳过没有修改过的事项
if (item.Changed == false)
{
continue;
}
// 新事项
if (item.RecPath == "")
{
item.RecPath = this.ItemDbName + "/?";
}
if (item.Parent == "")
{
if (String.IsNullOrEmpty(this.BiblioRecPath) == true)
{
strError = "因BiblioRecPath成员为空，无法构造册信息。";
return(-1);
}
item.Parent = ResPath.GetRecordId(this.BiblioRecPath);
}
string strXml = "";
int nRet = item.BuildRecord(
out strXml,
out strError);
if (nRet == -1)
{
strError = "第 " + Convert.ToString(i + 1) + " 行构造册记录时出错: " + strError;
return(-1);
}
byte[] baOutputTimestamp = null;
nRet = this.SearchPanel.SaveRecord(
this.ServerUrl,
item.RecPath,
strXml,
item.Timestamp,
true,
out baOutputTimestamp,
out strError);
if (nRet == -1)
{
strError = "第 " + Convert.ToString(i + 1) + " 行保存册记录时出错: " + strError;
return(-1);
}
item.Timestamp = baOutputTimestamp;
item.Changed = false;
// 事项颜色会发生变化
item.RefreshItemColor();
}
return(0);
}
// 册登录
// 根据输入的册条码号新增一册信息，或者定位到已经存在的行
void DoRegisterBarcode()
{
string strError = "";
int nRet;
if (this.textBox_itemBarcode.Text == "")
{
strError = "尚未输入册条码号";
goto ERROR1;
}
// 看看输入的条码号是否为ISBN条码号
if (IsISBnBarcode(this.textBox_itemBarcode.Text) == true)
{
// 保存当前册信息
EnableControls(false);
nRet = this.SaveItems(out strError);
EnableControls(true);
if (nRet == -1)
{
goto ERROR1;
}
// 转而触发新种检索操作
this.textBox_queryWord.Text = this.textBox_itemBarcode.Text;
this.textBox_itemBarcode.Text = "";
this.button_search_Click(null, null);
return;
}
if (this.Items == null)
{
this.Items = new BookItemCollection();
}
// 种内查重
BookItem item = this.Items.GetItem(this.textBox_itemBarcode.Text);
ListViewItem listitem = null;
// 如果该册条码号的事项已经存在
if (item != null)
{
listitem = this.GetListViewItem(this.textBox_itemBarcode.Text,
null);
if (listitem == null)
{
strError = "册条码号为 '" + this.textBox_itemBarcode.Text + "'的BookItem内存事项存在，但是没有对应的ListViewItem ...";
goto ERROR1;
}
UnselectListViewItems();
listitem.Selected = true;
listitem.Focused = true;
this.listView_items.EnsureVisible(this.listView_items.Items.IndexOf(listitem));
goto END1;
}
List <DoublePath> paths = null;
// 种外全面查重
nRet = GetLinkInfoFromBarcode(
this.textBox_itemBarcode.Text,
true,
out paths,
out strError);
if (nRet == -1)
{
strError = "册条码号查重操作出现错误：" + strError;
goto ERROR1;
}
if (nRet > 0)
{
// MessageBox.Show(this, "册条码号 " + this.textBox_itemBarcode.Text + " 出现重复现象，请及时解决。");
SelectDupItemRecordDlg dlg = new SelectDupItemRecordDlg();
dlg.MessageText = "册条码号 " + this.textBox_itemBarcode.Text + " 已经被登录过了，情况如下。\r\n\r\n如果想详细观察，请选择当前希望观察的一条册记录；否则请按“取消”按钮。";
dlg.Paths = paths;
dlg.ShowDialog(this);
if (dlg.DialogResult != DialogResult.OK)
{
return; // 放弃操作
}
if (this.BiblioRecPath != dlg.SelectedDoublePath.BiblioRecPath)
{
MessageBox.Show(this, "请注意软件即将自动装入新种 " + dlg.SelectedDoublePath.BiblioRecPath + " 到窗口中，如稍候您想继续对原种 " + this.BiblioRecPath + " 进行册登录，请切记重新装入原种后再行册登录 ...");
}
// 先保存本种
nRet = this.SaveItems(out strError);
if (nRet == -1)
{
goto ERROR1;
}
this.textBox_queryWord.Text = ""; // qingchu yuanlai de jiansuoci , bimian wuhui
DoublePath dpath = dlg.SelectedDoublePath;
this.BiblioDbName = ResPath.GetDbName(dpath.BiblioRecPath);
this.ItemDbName = ResPath.GetDbName(dpath.ItemRecPath);
nRet = LoadBiblioRecord(
dpath.BiblioRecPath,
out strError);
if (nRet == -1)
{
goto ERROR1;
}
// 突出显示所命中的册信息行
listitem = this.GetListViewItem(
this.textBox_itemBarcode.Text,
dpath.ItemRecPath);
if (listitem == null)
{
strError = "册条码号为 '" + this.textBox_itemBarcode.Text
+ "' 册记录路径为 '" + dpath.ItemRecPath + "' 的ListViewItem居然不存在 ...";
goto ERROR1;
}
listitem.Selected = true;
listitem.Focused = true;
this.listView_items.EnsureVisible(this.listView_items.Items.IndexOf(listitem));
this.textBox_itemBarcode.SelectAll();
this.textBox_itemBarcode.Focus();
return;
}
item = new BookItem();
item.Barcode = this.textBox_itemBarcode.Text;
item.Changed = true; // 表示这是新事项
this.Items.Add(item);
listitem = item.AddToListView(this.listView_items);
// 加上选择标记
UnselectListViewItems();
listitem.Focused = true;
this.listView_items.EnsureVisible(this.listView_items.Items.IndexOf(listitem));
END1:
this.textBox_itemBarcode.SelectAll();
return;
ERROR1:
MessageBox.Show(this, strError);
}