//设置当前题目的答题状态
private void reset_test_status(string question_id)
{
DataRow[] rows = this.dtQuestion_answer_record.Select(string.Format("question_id = '{0}'", question_id));
int total_student_count = MemoryTable.studentInfoTable.Rows.Count;
int iAnswered = rows.Length;
int iUnknown = total_student_count - iAnswered;
NotifyFormToRefreshPie(this.getValueList(iUnknown, iAnswered), true);
MiddleWareCore.set_mode(MiddleWareMode.课堂测验);
Program.frmClassRoom.resetClassRoomState();
//设置教室座位 根据问题查找学生ID，然后根据ID查找位置
for (int i = 0; i < rows.Length; i++)
{
string studentID = (string)rows[i]["student_id"];
equipmentPosition ep = MemoryTable.getEquipmentInfoByEpc(studentID);
Person psn = MemoryTable.getPersonByEpc(studentID);
Program.frmClassRoom.changeChairState(ep.group, ep.formatedPosition(), DocumentFileState.Green);
Program.frmClassRoom.changeChairState(ep.group, ep.formatedPosition(), psn.name);
}
}
private void setChairState(equipmentPosition ep, DocumentFileState dfs)
{
Program.frmClassRoom.changeChairState(ep.group, ep.formatedPosition(), dfs);
}
private void handle_event()
{
IntelligentEvent evt = MiddleWareCore.get_a_event();
if (evt != null)
{
deleControlInvoke dele = delegate(object o)
{
IntelligentEvent p = (IntelligentEvent)o;
string epcID = p.epcID;
string remoteDeviceID = p.remoteDeviceID;
string question_value = p.questionValue;
int totalCount = MemoryTable.studentInfoTable.Rows.Count;
Person person = MemoryTable.getPersonByEpc(epcID);
equipmentPosition ep = MemoryTable.getEquipmentConfigMapInfoByDeviceID(remoteDeviceID);
//如果只是重复发送，不需要做什么
if (p.event_unit_list.IndexOf(IntelligentEventUnit.repeat_epc) >= 0)
{
//如果重复发送之外，还改变了设备的ID
if (p.event_unit_list.IndexOf(IntelligentEventUnit.epc_on_another_device) >= 0)
{
if (person != null && ep != null)
{
int groupIndex = ep.group;
equipmentPosition ep_old = MemoryTable.getEquipmentInfoByEpc(epcID);
Program.frmClassRoom.changeChairState(ep_old.group, ep_old.formatedPosition(), DocumentFileState.InitialState);
Program.frmClassRoom.changeChairState(ep_old.group, ep_old.formatedPosition(), "");
MemoryTable.clearEquipmentAndStudentCombining(epcID);
Program.frmClassRoom.changeChairState(groupIndex, ep.formatedPosition(), person.name);
MemoryTable.setEquipmentInfoCombineStudentID(ep, person.epc);
Program.frmClassRoom.changeChairState(groupIndex, ep.formatedPosition(), DocumentFileState.Green);
}
}
//如果重复发送之外，还改变了问题的答案，按照设计，这里不需要更改饼图
if (p.event_unit_list.IndexOf(IntelligentEventUnit.change_answer) >= 0)
{
this.refreshAnswerRecord(person, question_value);
}
}
else
if (p.event_unit_list.IndexOf(IntelligentEventUnit.new_epc) >= 0)
{
//处理该事件需要更新数据和显示页面
if (person != null && ep != null)
{
MemoryTable.setEquipmentInfoCombineStudentID(ep, epcID);
Program.frmClassRoom.changeChairState(ep.group, ep.formatedPosition(), DocumentFileState.Green);
Program.frmClassRoom.changeChairState(ep.group, ep.formatedPosition(), person.name);
}
this.refreshAnswerRecord(person, question_value);
this.refreshPie();
}
};
this.Invoke(dele, evt);
}
}
private void setChairState(equipmentPosition ep, string text)
{
Program.frmClassRoom.changeChairState(ep.group, ep.formatedPosition(), text);
}