#include "studentclassinfomaintain.h"#include "ui_studentclassinfomaintain.h"#include "serverstyle.h"StudentClassInfoMaintain::StudentClassInfoMaintain(QWidget *parent) :    QMainWindow(parent),    ui(new Ui::StudentClassInfoMaintain){    ui->setupUi(this);    init();    createActions();}StudentClassInfoMaintain::~StudentClassInfoMaintain(){    delete ui;    studentItemList.clear();    classItemList.clear();}void StudentClassInfoMaintain::setClassMaintainItem(TeachingRoomClass *trClass){    QString trClassName = trClass->getClassName();//get class Name    QString trClassStudentsCount = trClass->getClassStudentsCount();    QTreeWidgetItem *currentClass = new QTreeWidgetItem(ui->classList,CLASS_ITEM);    //set text    QString classInfo = trClassName +"   "+trClassStudentsCount+CLASSCOUNTUNIT;    currentClass->setText(0,classInfo);    classItemList.insert(classInfo,trClass);}//set root itemQTreeWidgetItem* StudentClassInfoMaintain::setStudentRootItem(TeachingRoomClass *trClass){    QString trClassName = trClass->getClassName();//get class Name    QTreeWidgetItem *currentClass = new QTreeWidgetItem(ui->studentsList,CLASS_ITEM);    //set text    currentClass->setText(0,trClassName);    currentClass->setExpanded(true);    return currentClass;}//set root's childvoid StudentClassInfoMaintain::setStudentMaintainItem(QTreeWidgetItem *root,TeachingRoomStudents *trStudent){    QString trStudentName = trStudent->getStudentName();//get student Name    QTreeWidgetItem *currentStudent = new QTreeWidgetItem(root,STUDENT_ITEM);    //set text    currentStudent->setText(0,trStudentName);    //add student to studentitemlist    studentItemList.insert(trStudentName,trStudent);}//conn the signal and slotvoid StudentClassInfoMaintain::createActions(){    //change the maintain theme    connect(ui->chooseMaintain,SIGNAL(currentChanged(int)),            this,SLOT(setCurrentIndex(int)));    // reget the data from database    connect(ui->refreshBtn,SIGNAL(clicked()),            this,SIGNAL(refreshData()));    //set current class in class maintain    connect(ui->classList,SIGNAL(itemClicked(QTreeWidgetItem*,int)),            this,SLOT(setCurrentClassInClassMaintain(QTreeWidgetItem*,int)));    //set current class in student maintain    connect(ui->studentsList,SIGNAL(itemClicked(QTreeWidgetItem*,int)),            this,SLOT(setCurrentClassInStudentMaintain(QTreeWidgetItem*,int)));    //edit class    connect(ui->editBtn,SIGNAL(clicked()),            this,SLOT(editClassInfoSlot()));    //add new class    connect(ui->newBtn,SIGNAL(clicked()),            this,SLOT(addClassInfoSlot()));}//clear the listvoid StudentClassInfoMaintain::clearList(){    ui->classList->clear();    ui->studentsList->clear();    studentItemList.clear();    classItemList.clear();    ui->className->clear();}//init datavoid StudentClassInfoMaintain::init(){    //unused    currentIndex = 0;    tempIndex = 0;    studentItemList.clear();    classItemList.clear();    //set style    ServerStyle *style = new ServerStyle();    style->styleNoWork(this);    //set column width    setColumnWidth();}void StudentClassInfoMaintain::setColumnWidth(){    ui->studentInfoWidget->setColumnWidth(TABLEWIDGETITEMROW,TABLEWIDGETITEMWIDTH);}//set student list rowsvoid StudentClassInfoMaintain::setStudentRows(int rows){    ui->studentInfoWidget->setRowCount(rows);}//add student to the student table widgetvoid StudentClassInfoMaintain::addStudentItem(int row, TeachingRoomStudents *student){    QTableWidgetItem *studentIDItem = new QTableWidgetItem(student->getStudentID());    studentIDItem->setTextAlignment(Qt::AlignHCenter|Qt::AlignBottom);//hcenter and buttom    ui->studentInfoWidget->setItem(row,0,studentIDItem);    QTableWidgetItem *studentNameItem = new QTableWidgetItem(student->getStudentName());    studentNameItem->setTextAlignment(Qt::AlignHCenter|Qt::AlignBottom);//hcenter and buttom    ui->studentInfoWidget->setItem(row,1,studentNameItem);    QTableWidgetItem *studentClassItem = new QTableWidgetItem(student->getClassMajor());    studentClassItem->setTextAlignment(Qt::AlignHCenter|Qt::AlignBottom);//hcenter and buttom    ui->studentInfoWidget->setItem(row,2,studentClassItem);    QTableWidgetItem *studentClassCountItem = new QTableWidgetItem(student->getClassCount());    studentClassCountItem->setTextAlignment(Qt::AlignHCenter|Qt::AlignBottom);//hcenter and buttom    ui->studentInfoWidget->setItem(row,3,studentClassCountItem);    QTableWidgetItem *studentGradeItem = new QTableWidgetItem(student->getStudentScore());    studentGradeItem->setTextAlignment(Qt::AlignHCenter|Qt::AlignBottom);//hcenter and buttom    ui->studentInfoWidget->setItem(row,4,studentGradeItem);}//init class itemvoid StudentClassInfoMaintain::initClassItemList(){    QList
    
      classList = classItemList.values();    int classCount = classList.size();    for(int index=0; index
     
      getClassName();        ui->className_2->addItem(className);    }}//change the toolbox indexvoid StudentClassInfoMaintain::setCurrentIndex(int index){    if(tempIndex==1 && currentIndex==0){        currentIndex=1;        tempIndex=0;    }    if(index==1 && currentIndex==0){        currentIndex = 0;    }    if(index==1 && currentIndex==1){        currentIndex = 1;    }    if(index==0 && currentIndex==0){        currentIndex=0;    }    if(index==0 && currentIndex==1){        tempIndex = 1;        currentIndex=0;    }    ui->stackedWidget->setCurrentIndex(index+currentIndex);}//set current classvoid StudentClassInfoMaintain::setCurrentClassInClassMaintain(QTreeWidgetItem *item,int column){    ui->className->setReadOnly(true);    ui->studentCount->setReadOnly(true);    ui->submitBtn->setEnabled(false);    TeachingRoomClass *currentClass = classItemList.value(item->text(column));    ui->className->setText(currentClass->getClassName());    ui->studentCount->setValue(currentClass->getClassStudentsCount().toInt());}void StudentClassInfoMaintain::setCurrentClassInStudentMaintain(QTreeWidgetItem *item, int column){    if(item->type() == CLASS_ITEM){//current click item txt :class name        ui->stackedWidget->setCurrentIndex(1);        currentIndex = 0;        emit clickRootItem(item->text(column));    }    else{//show maintain student        ui->stackedWidget->setCurrentIndex(2);        currentIndex = 1;        //set current item edit icon        item->setIcon(0,QIcon(":/server/theme/edit"));        studentMaintain(item->text(column));    }}//edit current class infovoid StudentClassInfoMaintain::editClassInfoSlot(){    ui->className->setReadOnly(false);    ui->studentCount->setReadOnly(false);    ui->submitBtn->setEnabled(true);}//add new class infovoid StudentClassInfoMaintain::addClassInfoSlot(){    //setting title    ui->title->setText(ADDCLASSINFOTITLE);    //setting class name    ui->className->setText(NEWCLASSNAME);    ui->className->setFocus();    ui->className->setReadOnly(false);    //setting class count    ui->studentCount->setValue(NEWCLASSCOUNT);    ui->studentCount->setReadOnly(false);    ui->submitBtn->setEnabled(true);}void StudentClassInfoMaintain::studentMaintain(QString currentStudent){    ui->studentName->setText(currentStudent);    TeachingRoomStudents *currentstudent = studentItemList.value(currentStudent);    ui->studentID->setText(currentstudent->getStudentID());    QString className = currentstudent->getClassMajor();    ui->className_2->setCurrentIndex(ui->className_2->findText(className));    ui->classCount->setValue(currentstudent->getClassCount().toInt());    ui->studentGrade->setValue(currentstudent->getStudentScore().toInt());}