ishowcourses.cpp
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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();
if(ui->treeWidget->currentItem()->parent()->parent() != NULL /*&& lastRowNum != rowNum*/)
{
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);
int CoursesId = objarray.at(root_num).toObject().find("submenu").value().toArray().at(parent_row).toObject().\
find("subcourse").value().toArray().at(rowNum).toObject().find("courseInfo").value().toObject().find("id").value().toDouble();
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);
}
}
}
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();
itemChoose = NULL;
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
for(int j = 0;j < subarray.count();j++)
{
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());
itemSecond = AddTreeNode(itemFirst,title);
int num = subarray.at(j).toObject().find("pid").value().toDouble();
for(int k = 0;k < subcourse.count();k++)
{
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();
}
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());
}
}
void IshowCourses::showMainMaximized()
{
ui->webView->load(QUrl(pptarray.at(showPptNum).toObject().find("pic").value().toObject().find("url").value().toString()));
// 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();
}
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()
{
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);
}
}