bool SelectItem(string id)
{
if (id == null)
{
return(false);
}
IdInfo info = IdInfo.Parse(id);
List <ListViewItem> level1_items = new List <ListViewItem>();
List <ListViewItem> level2_items = new List <ListViewItem>();
// List<ItemAndWeight> results = new List<ItemAndWeight>();
foreach (ListViewItem item in this.listView_tags.Items)
{
if (info.Prefix == "pii")
{
// string current_pii = ListViewUtil.GetItemText(item, COLUMN_PII);
string current_pii = GetItemPII(item);
if (current_pii == info.Text)
{
level1_items.Add(item);
//ListViewUtil.SelectLine(item, true);
//return true;
}
else if (StringUtil.IsInList("auto_or_blankPII", this.AutoSelectCondition) && string.IsNullOrEmpty(current_pii) == true)
{
level2_items.Add(item);
}
}
if (info.Prefix == "uid")
{
string current_uid = ListViewUtil.GetItemText(item, COLUMN_UID);
if (current_uid == info.Text)
{
level1_items.Add(item);
// ListViewUtil.SelectLine(item, true);
// return true;
}
}
}
if (level1_items.Count > 0)
{
ListViewUtil.SelectLine(level1_items[0], true);
return(true);
}
// 只有当 level2 命中精确为一个时才选中。命中多了则无法选择
if (level2_items.Count == 1)
{
ListViewUtil.SelectLine(level2_items[0], true);
return(true);
}
// 触发提示
if (this.AskTag != null)
{
AskTagEventArgs e = new AskTagEventArgs();
this.AskTag(this, e);
this.ShowMessage(e.Text, "green", true);
}
return(false);
}
// 更新标签列表
bool UpdateChipList(bool show_messageBox)
{
int nRet = Interlocked.Increment(ref _inUpdate);
try
{
if (nRet != 1)
{
return(false);
}
// this.ClearMessage();
string strError = "";
if (string.IsNullOrEmpty(Program.MainForm.RfidCenterUrl))
{
strError = "尚未配置 RFID 中心 URL";
goto ERROR1;
}
RfidChannel channel = StartRfidChannel(
Program.MainForm.RfidCenterUrl,
out strError);
if (channel == null)
{
strError = "StartRfidChannel() error";
goto ERROR1;
}
try
{
ListTagsResult result = channel.Object.ListTags("*", null);
if (result.Value == -1)
{
strError = result.ErrorInfo;
goto ERROR1;
}
List <Task> tasks = new List <Task>();
bool is_empty = false;
bool changed = false;
this.Invoke((Action)(() =>
{
is_empty = this.listView_tags.Items.Count == 0;
List <ListViewItem> items = new List <ListViewItem>();
foreach (OneTag tag in result.Results)
{
ListViewItem item = FindItem(this.listView_tags,
tag.ReaderName,
tag.UID);
if (item == null)
{
item = new ListViewItem();
ListViewUtil.ChangeItemText(item, COLUMN_UID, tag.UID);
ListViewUtil.ChangeItemText(item, COLUMN_READERNAME, tag.ReaderName);
item.Tag = new ItemInfo {
OneTag = tag
};
this.listView_tags.Items.Add(item);
if (tag.TagInfo == null)
{
// 启动单独的线程去填充 .TagInfo
tasks.Add(Task.Run(() => { GetTagInfo(item); }));
}
}
items.Add(item);
changed = true;
}
// 交叉运算得到比 items 中多出来的 ListViewItem，删除它们
List <ListViewItem> delete_items = new List <ListViewItem>();
foreach (ListViewItem item in this.listView_tags.Items)
{
if (items.IndexOf(item) == -1)
{
delete_items.Add(item);
}
}
foreach (ListViewItem item in delete_items)
{
this.listView_tags.Items.Remove(item);
changed = true;
}
}));
// 再建立一个 task，等待 tasks 执行完以后，自动选定一个 item
if (tasks.Count > 0 || changed)
{
Task.Run(() =>
{
Task.WaitAll(tasks.ToArray());
bool closed = false;
this.Invoke((Action)(() =>
{
// 首次填充，自动设好选定状态
// if (is_empty)
{
var ret = SelectItem(this.SelectedID != null ? this.SelectedID : this.SelectedPII);
if (// string.IsNullOrEmpty(this.SelectedPII) == false
ret == true &&
this.AutoCloseDialog)
{
this.button_OK_Click(this, new EventArgs());
closed = true;
}
}
}));
if (closed == false)
{
//this.Invoke((Action)(() =>
//{
FillEntityInfo();
//}));
if (this._mode == "auto_fix_eas")
{
this.Invoke((Action)(() =>
{
AutoFixEas();
}));
}
}
});
}
else
{
if (this.AskTag != null)
{
AskTagEventArgs e = new AskTagEventArgs();
this.AskTag(this, e);
this.ShowMessage(e.Text, "green", true);
}
}
return(true);
}
catch (RemotingException ex)
{
strError = "UpdateChipList() 出现异常: " + ex.Message;
goto ERROR1;
}
catch (Exception ex)
{
strError = "UpdateChipList() 出现异常: " + ExceptionUtil.GetDebugText(ex);
goto ERROR1;
}
finally
{
EndRfidChannel(channel);
}
ERROR1:
if (show_messageBox)
{
this.ShowMessageBox(strError);
}
else
{
this.ShowMessage(strError, "red", true);
}
return(false);
}
finally
{
Interlocked.Decrement(ref _inUpdate);
}
}
