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timelistwindow.cpp
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timelistwindow.cpp
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#include "timelistwindow.h"
#include "ui_timelistwindow.h"
#include <QPropertyAnimation>
#include <QDebug>
TimeListWindow::TimeListWindow(QString userName,QWidget * ptr,QWidget *parent) :
QWidget(parent),
ui(new Ui::TimeListWindow)
{
ui->setupUi(this);
this->setWindowTitle("");
//链接数据库 加载日记历史信息
databaseInit(userName);
QSqlQuery query(db);
query.exec("select * from person");
while(query.next())
{
QString time = query.value(0).toString();
if(time != "")
{
QListWidgetItem * listWidgetItem = new QListWidgetItem(time);
ui->listWidget->insertItem(0,listWidgetItem);
}
}
//双击日期链接出detailwindow
connect(ui->listWidget,&QListWidget::itemDoubleClicked,[=](){
//下面这两行为了保证最多只出现一个详情窗口，即双击两个listItem后第一个会关闭
delete detailWindow;
detailWindow = NULL;
QListWidgetItem * currItem = ui->listWidget->currentItem();
QString chooseTime = currItem->text();
databaseInit(userName);
QSqlQuery query(db);
query.exec("select * from person");
while(query.next())
{
if(query.value(0).toString() == chooseTime)
{
QString diary = query.value(1).toString();
QString fontPointSize = query.value(3).toString();
QString fontFamily = query.value(2).toString();
detailWindow = new DetailWindow(diary,chooseTime,fontPointSize,fontFamily);
detailWindow->show();
QPropertyAnimation *pPosAnimation4 = new QPropertyAnimation(detailWindow, "pos"); //添加动画
pPosAnimation4->setDuration(550);
pPosAnimation4->setStartValue(QPoint(ptr->x(),ptr->y()));
pPosAnimation4->setEndValue(QPoint(ptr->x()+ptr->width(),ptr->y()));
pPosAnimation4->setEasingCurve(QEasingCurve::InOutQuad);
pPosAnimation4->start();
break;
}
}
});
}
void TimeListWindow::databaseInit(QString str)
{
int i;
if(str == "ZYunfei") {i = 0;}
if(str == "1") {i = 1;}
if(str == "NBY") {i = 2;}
db = QSqlDatabase::addDatabase("QSQLITE", QString("myDiary%1").arg(i));
db.setDatabaseName(QString(".//qtDb%1.db").arg(i));
if( !db.open()) //这个db.open相当关键啊！没这一步后面写数据可失败。
{
qDebug() << "无法建立数据库连接";
}
else
{
qDebug()<<"数据库连接成功";
}
}
void TimeListWindow::closeEvent(QCloseEvent *e)
{
delete detailWindow;
detailWindow = NULL;
}
TimeListWindow::~TimeListWindow()
{
delete ui;
}