mainwindow.cpp

#include "mainwindow.h"
#include "ui_mainwindow.h"

MainWindow::MainWindow(QWidget *parent)
    : QMainWindow(parent)
    , ui(new Ui::MainWindow)
{
    ui->setupUi(this);
    srand(time(0));

    (new TimelineUndoStack(ui->widget));
    ui->widget_2->setTimeline(ui->widget);

    QString content = FileUtil::readTextFileIfExist("timeline_data.txt");
    if (!content.isEmpty())
    {
        ui->widget->fromString(content);
    }
    else
    {
        for (int i = 0; i < 20; i++)
        {
            QStringList sl;
            int count = rand() % 8;
            while (count--)
                sl << ("文本"+QString::number(rand()%9999999900+100));
            ui->widget->addItem("2020.3."+QString::number(i), sl);
        }
        ui->widget->adjustBucketsPositionsWithAnimation();
    }
}

MainWindow::~MainWindow()
{
    delete ui;
}


void MainWindow::on_pushButton_clicked()
{
    FileUtil::writeTextFile("timeline_data.txt", ui->widget->toString());
}