//单击“添加旅客”按钮，开始运行
void Widget::addTravelerButtonClicked()
{
//添加旅客，初始化旅客信息
qDebug() << "Add new traveler, reset all elements in widget";
std::vector<bool> temp(12, false);
throughcity = temp;
qDebug() << "throughcity creat success.";
travelers.push_back(Traveler(addtravelertimes-1, getStartTime(), getDeadline(),
getStrategy(), getStart(), getDestination(),
ui->ThroughCityCheckBox->isChecked(), throughcity));
qDebug() << "travelers.pushback...";
startclicked.push_back(false);
addtravelertimes += 1;
startclickedtimes = 0;
//将界面右侧各栏初始化显示
ui->TravelerComboBox->addItem(QString::number(addtravelertimes));
ui->TravelerComboBox->setCurrentText(QString::number(addtravelertimes));
ui->StartButton->setText(QString::fromWCharArray(L"开始"));
ui->TravelerComboBox->setEnabled(true);
ui->StartComboBox->setEnabled(true);
ui->StrategyComboBox->setEnabled(true);
ui->DestinationComboBox->setEnabled(true);
ui->StrategyComboBox->setCurrentIndex(0);
ui->StartComboBox->setCurrentIndex(0);
ui->DestinationComboBox->setCurrentIndex(1);
ui->ThroughCityCheckBox->setEnabled(true);
ui->DeadlineDateTimeEdit->setEnabled(false);
ui->StartDateTimeEdit->setEnabled(true);
ui->StartButton->setEnabled(true);
ui->StartDateTimeEdit->setDateTime(QDateTime::currentDateTime());
int deaDay = QDateTime::currentDateTime().date().day();
deaDay += 1;
QDateTime deadlineDateTime;
deadlineDateTime.setDate(QDate(QDateTime::currentDateTime().date().year(), QDateTime::currentDateTime().date().month(), deaDay));
deadlineDateTime.setTime(QTime(QDateTime::currentDateTime().time()));
ui->DeadlineDateTimeEdit->setDateTime(deadlineDateTime);
}
bool Plan_File::Read (long offset)
{
//---- check the file status ----
if (!Check_File ()) return (false);
if (plan == NULL) return (Status (RECORD_SIZE));
if (File_Access () != READ) return (Status (ERROR));
//---- move to a specified location in the file ----
if (offset >= 0) {
if (!Offset (offset)) return (false);
}
//---- allocate space ----
if (allocate_memory) {
if (!Setup_Record ()) return (false);
}
//---- read the next plan ----
if (Record_Format () == BINARY) {
int num_token;
if (!Db_File::Read (plan, (sizeof (Plan_Data) - sizeof (int)))) return (false);
if (time_sort) {
int temp = plan->key1;
plan->key1 = plan->key2;
plan->key2 = temp;
}
num_record++;
num_plan++;
if (Leg () == 2) {
num_trip++;
} else if (Leg () == 1 && Trip () == 1) {
num_traveler++;
}
num_token = Tokens ();
if (num_token > 0) {
if (!Check_Size (num_token)) return (false);
if (!Db_File::Read (&(plan->data [0]), num_token * sizeof (int))) return (Status (PLAN_FIELDS));
num_record++;
}
return (true);
} else {
int field, max_field, value;
char buffer [40], *ptr;
field = max_field = 0;
while (Db_File::Read ()) {
num_record++;
ptr = Clean_Record ();
//---- check for a blank record ----
if (ptr == NULL || *ptr == '\0') continue;
//---- process the plan record ----
while (ptr != NULL) {
ptr = Get_Token (ptr, buffer, sizeof (buffer));
if (buffer [0] == '\0') break;
field++;
value = atol (buffer);
switch (field) {
case 1: //---- traveler id ----
Traveler (value);
num_plan++;
break;
case 2: //---- user field ----
break;
case 3: //---- trip id ----
Trip (value);
break;
case 4: //---- leg id ----
Leg (value);
if (value == 2) {
num_trip++;
} else if (value == 1 && Trip () == 1) {
num_traveler++;
}
break;
case 5: //---- time ----
Time (value);
break;
case 6: //---- start id ----
Start_ID (value);
break;
case 7: //---- start type ----
Start_Type (value);
break;
case 8: //---- end id ----
End_ID (value);
break;
case 9: //---- end type ----
End_Type (value);
break;
case 10: //---- duration ----
Duration (value);
break;
case 11: //---- stop time ----
Stop_Time (value);
break;
case 12: //---- max time flag ----
break;
case 13: //---- cost ----
Cost (value);
break;
case 14: //---- gcf ----
GCF (value);
break;
case 15: //---- driver flag ----
Driver_Flag (value);
break;
case 16: //---- mode ----
Mode (value);
break;
case 17: //---- number of tokens ----
if (value < 0) {
Status (PLAN_FIELDS);
return (false);
}
Tokens (value);
max_field = value + 17;
if (value == 0) return (true);
if (!Check_Size (value)) return (false);
break;
default: //---- token value ----
if (field > max_field) {
Status (PLAN_FIELDS);
return (false);
}
plan->data [field - 18] = value;
if (field == max_field) return (true);
break;
}
}
}
if (field != 0) {
return (Status (PLAN_FIELDS));
}
return (false);
}
}
bool Plan_File::Write (Plan_Data *data)
{
int num_token;
FILE *file;
//---- check the file status ----
if (!Check_File ()) return (false);
if (File_Access () == READ) return (Status (ERROR));
Plan_Data *backup = NULL;
if (data != NULL) {
backup = plan;
plan = data;
} else {
if (plan == NULL) return (Status (RECORD_SIZE));
}
//---- write the plan data ----
file = File ();
num_token = Tokens ();
if (Record_Format () == BINARY) {
if (time_sort) {
int size, temp;
size = sizeof (Plan_Data) - sizeof (int);
memcpy (backup, plan, size);
temp = backup->key1;
backup->key1 = backup->key2;
backup->key2 = temp;
if (!Db_File::Write (backup, size)) goto reset;
} else {
if (!Db_File::Write (plan, (sizeof (Plan_Data) - sizeof (int)))) goto reset;
}
num_record++;
num_plan++;
if (Leg () == 2) {
num_trip++;
} else if (Leg () == 1 && Trip () == 1) {
num_traveler++;
}
if (num_token > 0) {
if (!Db_File::Write (&(plan->data [0]), num_token * sizeof (int))) goto reset;
num_record++;
}
} else {
if (fprintf (file, "%d 0 %d %d\n%d %d %d %d %d\n%d %d %d %d %d\n%d %d\n%d\n",
Traveler (), Trip (), Leg (),
Time (), Start_ID (), Start_Type (), End_ID (), End_Type (),
Duration (), Stop_Time (), 1, Cost (), GCF (),
Driver_Flag (), Mode (),
num_token) < 0) goto reset;
num_record += 5;
num_plan++;
if (Leg () == 2) {
num_trip++;
} else if (Leg () == 1 && Trip () == 1) {
num_traveler++;
}
//---- write tokens ----
if (num_token > 0) {
int field;
int i = 0;
switch (Mode ()) {
case AUTO_MODE: //---- auto ----
if (Driver_Flag ()) {
//---- vehicle ID and number of passengers ----
i = 2;
if (fprintf (file, "%d %d\n", plan->data [0], plan->data [1]) < 0) goto reset;
num_record++;
}
break;
case TRANSIT_MODE: //---- transit ----
if (Driver_Flag ()) {
//---- schedule pairs, vehicle ID, and route ID ----
i = 3;
if (fprintf (file, "%d %d %d\n", plan->data [0], plan->data [1], plan->data [2]) < 0) goto reset;
num_record++;
}
break;
default:
break;
}
//---- print the rest of the fields in groups of 10 ----
for (field=0; i < num_token; i++, field++) {
if (!field) {
if (fprintf (file, "%d", plan->data [i]) < 0) goto reset;
num_record++;
} else if (!(field % 10)) {
if (fprintf (file, "\n%d", plan->data [i]) < 0) goto reset;
num_record++;
} else {
if (fprintf (file, " %d", plan->data [i]) < 0) goto reset;
}
}
if (field) {
if (fprintf (file, "\n") < 0) goto reset;
}
}
//---- add a blank line at the end of the plan ----
if (fprintf (file, "\n") < 0) goto reset;
num_record++;
Flush ();
}
if (data != NULL) {
plan = backup;
}
return (true);
reset:
if (data != NULL) {
plan = backup;
}
return (false);
}
//单击“开始”按钮，获取用户输入信息
void Widget::startButtonClicked()
{
QDateTime startDateTime;
//对于当前旅客，初次点击开始按钮
if (startclicked[ui->TravelerComboBox->currentIndex()] == false)
{
qDebug() << "StartButton clicked 1st time for CurrentTraveler";
strategy = getStrategy();
start = getStart();
destination = getDestination();
//始发地和目的地相同则弹框报错，不作操作
if (start == destination)
{
qDebug() << "Start and Dedtination is the same one, wait for another command";
QMessageBox::information(this, "Error", QString::fromWCharArray(L"出发地和目的地相同"));
return;
}
//（策略三的情况下）截止时间早于当前时间报错，不作操作
if (!(ui->StartDateTimeEdit->dateTime() < ui->DeadlineDateTimeEdit->dateTime()))
{
qDebug() << "Deadline ahead of StratTime, wait for another command";
QMessageBox::information(this, "Error", QString::fromWCharArray(L"截止时间早于当前时间"));
return;
}
startDateTime = getStartTime();
travelers[ui->TravelerComboBox->currentIndex()] = (Traveler(addtravelertimes-1, startDateTime,
getDeadline(), strategy, start, destination, ui->ThroughCityCheckBox->isChecked(), throughcity));
std::vector<Attribute> path = travelers[ui->TravelerComboBox->currentIndex()].getPlan();
if (path.size() == 0)
{
qDebug() << "No legal path";
QMessageBox::information(this, "Error", QString::fromWCharArray(L"无有效路径"));
startclicked[ui->TravelerComboBox->currentIndex()] = false;
return;
}
startclicked[ui->TravelerComboBox->currentIndex()] = true;
currentTraveler = ui->TravelerComboBox->currentIndex();
displayTotalTime();
displayFare(path);
displayPath(path);
qDebug() << "StartButton rename as ChangePlan for CurrentTraveler";
ui->StartButton->setText(QString::fromWCharArray(L"更改"));
ui->StartComboBox->setEnabled(false);
ui->StartDateTimeEdit->setEnabled(false);
startclickedtimes += 1;
startclicked[ui->TravelerComboBox->currentIndex()] = true;
return;
}
//对于当前旅客，执行更改计划操作
if (startclicked[ui->TravelerComboBox->currentIndex()] == true)
{
qDebug() << "StartButton clicked for CurrentTraveler";
strategy = getStrategy();
destination = getDestination();
if (!(ui->StartDateTimeEdit->dateTime() < ui->DeadlineDateTimeEdit->dateTime()))
{
qDebug() << "Deadline ahead of StartTime, reset the DeadlineDateTimeEdit,wait for another command";
QMessageBox::information(this, "Error", QString::fromWCharArray(L"截止时间早于当前时间"));
int deaDay = ui->StartDateTimeEdit->dateTime().date().day();
deaDay += 1;
QDateTime deadlineDateTime;
deadlineDateTime.setDate(QDate(ui->StartDateTimeEdit->dateTime().date().year(), ui->StartDateTimeEdit->dateTime().date().month(), deaDay));
deadlineDateTime.setTime(QTime(ui->StartDateTimeEdit->dateTime().time()));
ui->DeadlineDateTimeEdit->setDateTime(deadlineDateTime);
return;
}
//获得新计划的始发地，即原计划的当前停留地/运行途中即将到达地
int nextCity2Arrive = ui->LeftWidget->nextCity();
if (nextCity2Arrive != -1)
{
std::vector<Attribute> path = travelers[ui->TravelerComboBox->currentIndex()].changePlan(nextCity2Arrive, strategy, destination, getDeadline(),
ui->ThroughCityCheckBox->isChecked(),throughcity);
if (path.size() == 0)
{
qDebug() << "No legal path";
QMessageBox::information(this, "Error", QString::fromWCharArray(L"无有效路径"));
return;
}
qDebug() << "Change plan success.";
currentTraveler = ui->TravelerComboBox->currentIndex();
displayTotalTime();
displayFare(path);
displayPath(path);
}
}
}