陈明泉 / vipTalk

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LiveChat/FeiTalk/gui/ishowcourses.cpp 9.34 KB
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  #include "ishowcourses.h"
  #include "ui_ishowcourses.h"
  #include <QDebug>
  #include <QJsonDocument>
  #include <QJsonObject>
  #include <QJsonArray>
  #include <QScriptEngine>
  #include <QScriptValue>
  #include <QFile>
  #include "iwebRequest.h"
  
  
  QJsonArray objarray;
  QJsonArray pptarray;
  int showPptNum = 0;
  QTreeWidgetItem * itemChoose;
  
  IshowCourses::IshowCourses(QWidget *parent) :
      QWidget(parent),
      ui(new Ui::IshowCourses)
  {
      ui->setupUi(this);
      ui->treeWidget->setColumnCount(1); //设置列数
      ui->treeWidget->header()->setStretchLastSection(false);
      ui->treeWidget->setHorizontalScrollBarPolicy(Qt::ScrollBarAlwaysOff);
  
      connect(ui->treeWidget,&QTreeWidget::itemClicked,this,&IshowCourses::slotOpenCourses);
      connect(IWebRequest::Instance(), SIGNAL(response(int,int,QString,QString)), this, SLOT(updateCoursesPpt(int,int,QString,QString)));
  
      QFile source(":Images/style/styleMsg.html");
      source.open(QIODevice::ReadOnly);
      ui->webView->setHtml(QString::fromUtf8(source.readAll().constData()));
      source.close();
  
  }
  
  void IshowCourses::slotOpenCourses(QTreeWidgetItem* item1, int columns)
  {
      static int lastRowNum = -1;
      if(ui->treeWidget->currentItem()->parent() == NULL || ui->treeWidget->currentItem()->parent()->parent() == NULL)
      {
          qDebug("CMQ choose is root columns = %d",ui->treeWidget->currentIndex().row());
      }
      else
      {
          int rowNum = ui->treeWidget->currentIndex().row();
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          if(ui->treeWidget->currentItem()->parent()->parent() != NULL /*&& lastRowNum != rowNum*/)
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          {
              int root_num = 0;
              lastRowNum = rowNum;
              root_num = ui->treeWidget->indexOfTopLevelItem(item1->parent()->parent());
              int parent_row=item1->parent()->parent()->indexOfChild(item1->parent());
              qDebug("CMQ 111 root_num = %d parent_row = %d",root_num,parent_row);
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              int CoursesId = objarray.at(root_num).toObject().find("submenu").value().toArray().at(parent_row).toObject().\
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                      find("subcourse").value().toArray().at(rowNum).toObject().find("courseInfo").value().toObject().find("id").value().toDouble();
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              if(itemChoose != item1)
              {
                  itemChoose = item1;
                  QStringList params;
                  params.append(QString("%1").arg(CoursesId));
                  IWebRequest::Instance()->sendRequestToServer(REQ_USER_COURSE_PPT_GET, params);
              }
  //            qDebug()<<"CoursesId = "<<params.at(0);
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          }
      }
  
  }
  
  void IshowCourses::updateCoursesPpt(int cmd, int, QString, QString result)
  {
      if(cmd == REQ_USER_COURSE_PPT_GET)
      {
          QJsonParseError jsonErr;
          QJsonDocument myjsonDoc1 = QJsonDocument::fromJson(result.toLatin1(),&jsonErr);
          pptarray = myjsonDoc1.object().find("result").value().toObject().find("ppt").value().toArray();
          qDebug()<<"pptarray = "<<pptarray.at(0).toObject().find("pic").value().toObject().find("url").value().toString();
          ui->webView->load(QUrl(pptarray.at(0).toObject().find("pic").value().toObject().find("url").value().toString()));
          showPptNum = 0;
          ui->label_page->setText(QString("%1/%2").arg(showPptNum+1).arg(pptarray.size()));
      }
      else if(cmd == REQ_USER_COURSE_LIST_GET)
      {
          QTreeWidgetItem * itemFirst;
          QTreeWidgetItem * itemSecond;
          QTreeWidgetItem * itemThirdly;
          QString title;
  
          QJsonParseError jsonErr;
          QJsonDocument myjsonDoc1 = QJsonDocument::fromJson(result.toLatin1(),&jsonErr);
          objarray = myjsonDoc1.object().find("result").value().toObject().find("lists").value().toArray();
          ui->treeWidget->clear();
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          itemChoose = NULL;
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          for(int i = 0;i < objarray.count();i++)
          {
              QJsonObject jobj = objarray.at(i).toObject();
              title = jobj.find("en_title").value().toString();
              itemFirst = AddTreeRoot(title);
  
              QJsonArray subarray = jobj.find("submenu").value().toArray();
              ui->treeWidget->setItemExpanded(itemFirst,true);//展开
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              for(int j = 0;j < subarray.count();j++)
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              {
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                  QJsonArray subcourse = subarray.at(j).toObject().find("subcourse").value().toArray();
                  title = subarray.at(j).toObject().find("en_title").value().toString() + QString(" (%1)").arg(subcourse.size());
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                  itemSecond = AddTreeNode(itemFirst,title);
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                  int num = subarray.at(j).toObject().find("pid").value().toDouble();
                  for(int k = 0;k < subcourse.count();k++)
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                  {
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                      if(num == 2)
                      {
                          title = subcourse.at(k).toObject().find("courseInfo").value().toObject().find("title").value().toString() + QString(" ") + \
                                  subcourse.at(k).toObject().find("courseInfo").value().toObject().find("content").value().toString().trimmed();
                      }
                      else
                      {
                          title = subcourse.at(k).toObject().find("courseInfo").value().toObject().find("content").value().toString().trimmed();
                      }
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                      title.remove("\n");
                      AddTreeNode(itemSecond,title);
                  }
              }
          }
      }
  }
  
  QTreeWidgetItem * IshowCourses::AddTreeRoot(QString name)
  {
      QTreeWidgetItem * item=new QTreeWidgetItem(QStringList()<<name);
      QFont mfont;
      mfont.setPointSize(10);
      mfont.setBold(true);
      item->setFont(0,mfont);
      ui->treeWidget->addTopLevelItem(item);
      return item;
  }
  
  QTreeWidgetItem * IshowCourses::AddTreeNode(QTreeWidgetItem *parent,QString name)
  {
      QTreeWidgetItem * item=new QTreeWidgetItem(QStringList()<<name);
      parent->addChild(item);
  //    item->setSizeHint(1,QSize(40,25));
      return item;
  }
  
  IshowCourses::~IshowCourses()
  {
      delete ui;
  }
  
  
  void IshowCourses::onAddNoteFront()
  {
      if(ui->treeWidget->currentItem()->parent() == 0)
      {
          QTreeWidgetItem *pNode = new QTreeWidgetItem;   //添加第一个父节点
          pNode->setText(0,tr("FrontFrontFrontFront"));
  //        m_RootList.append(pNode);
          ui->treeWidget->insertTopLevelItem(ui->treeWidget->currentIndex().row(), pNode);
      }
      else
      {
          QTreeWidgetItem *pChildNode = new QTreeWidgetItem(QStringList(QString("ChildFront"))); //添加子节点
          ui->treeWidget->currentItem()->parent()->insertChild(ui->treeWidget->currentItem()->parent()->indexOfChild(ui->treeWidget->currentItem()), pChildNode);
      }
  }
  //当前节点后面添加节点：
  
  void IshowCourses::onAddNoteNext()
  {
      if(ui->treeWidget->currentItem()->parent() == 0)
      {
          QTreeWidgetItem *pNode = new QTreeWidgetItem;   //添加第一个父节点
          pNode->setText(0,tr("NextNextNextNextNext"));
  //        m_RootList.append(pNode);
          ui->treeWidget->insertTopLevelItem(ui->treeWidget->currentIndex().row()+1, pNode);
      }
      else
      {
          QTreeWidgetItem *pChildNode = new QTreeWidgetItem(QStringList(QString("ChildNext"))); //添加子节点
          ui->treeWidget->currentItem()->parent()->insertChild(ui->treeWidget->currentItem()->parent()->indexOfChild(ui->treeWidget->currentItem())+1, pChildNode);
      }
  }
  //当前节点添加子节点：
  
  void IshowCourses::onAddChild()
  {
      QTreeWidgetItem *pChildNode = new QTreeWidgetItem(ui->treeWidget->currentItem(),QStringList(QString("aaaaaafa1"))); //添加子节点
      ui->treeWidget->currentItem()->addChild(pChildNode);
  }
  //删除当前节点以及子节点：
  
  void IshowCourses::onDelNode()
  {
      if(0 == ui->treeWidget->currentItem()->parent())
      {
          ui->treeWidget->currentItem()->takeChildren();
          ui->treeWidget->takeTopLevelItem(ui->treeWidget->indexOfTopLevelItem(ui->treeWidget->currentItem()));
      }
      else
      {
          ui->treeWidget->currentItem()->parent()->removeChild(ui->treeWidget->currentItem());
      }
  }
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  void IshowCourses::showMainMaximized()
  {
      ui->webView->load(QUrl(pptarray.at(showPptNum).toObject().find("pic").value().toObject().find("url").value().toString()));
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  //    ui->webView->resize(QSize(960,720));
      if(ui->webView->minimumWidth() == 960)
          ui->webView->setMinimumSize(QSize(638,474));
      else
          ui->webView->setMinimumSize(QSize(960,720));
      qDebug()<<"showMainMaximized = "<<ui->webView->width();
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  }
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  void IshowCourses::on_pushButton_next_clicked()
  {
      if(pptarray.size() > 0)
      {
          showPptNum++;
          if(showPptNum > pptarray.size()-1)
              showPptNum = pptarray.size()-1;
          ui->webView->load(QUrl(pptarray.at(showPptNum).toObject().find("pic").value().toObject().find("url").value().toString()));
          ui->label_page->setText(QString("%1/%2").arg(showPptNum+1).arg(pptarray.size()));
      }
  }
  
  void IshowCourses::on_pushButton_last_clicked()
  {
      if(pptarray.size() > 0)
      {
          showPptNum--;
          if(showPptNum < 0)
              showPptNum = 0;
          ui->webView->load(QUrl(pptarray.at(showPptNum).toObject().find("pic").value().toObject().find("url").value().toString()));
          ui->label_page->setText(QString("%1/%2").arg(showPptNum+1).arg(pptarray.size()));
      }
  }
  
  void IshowCourses::go_now_courses()
  {
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      if(itemChoose)
          ui->treeWidget->scrollToItem(itemChoose);
  
      if(objarray.size() < 1)
      {
          //获取课程列表
          QStringList paramsCourse;
          paramsCourse.append(QString("1"));
          paramsCourse.append(QString("1"));
          IWebRequest::Instance()->sendRequestToServer(REQ_USER_COURSE_LIST_GET, paramsCourse);
      }
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  }