#include "mainwindow.h"

#include <QChart>
#include <QBarCategoryAxis>
#include <QValueAxis>
#include <QHorizontalBarSeries>
#include <QBarSet>
#include <QChartView>
#include <QLayout>
#include <QPushButton>



MainWindow::MainWindow(QWidget *parent)
	: QMainWindow(parent)
{
	resize(800, 600);
	QWidget *centralwidget = new QWidget(this);
	QVBoxLayout *layout = new QVBoxLayout(centralwidget);
	setCentralWidget(centralwidget);
	
	
	
	QChart *chart = new QChart();
	QBarCategoryAxis *xAxis = new QBarCategoryAxis();
	chart->addAxis(xAxis, Qt::AlignmentFlag::AlignBottom);
	QChartView *chartView = new QChartView(chart);
	layout->addWidget(chartView);
	
	
	
	QPushButton* button1 = new QPushButton("xAxis->setCategories({\"cat1\", \"cat2\", \"cat3\"});");
	layout->addWidget(button1);
	connect(button1, &QPushButton::clicked, this, [xAxis]() {
		qDebug() << "xAxis->setCategories({\"cat1\", \"cat2\", \"cat3\"});";
		xAxis->setCategories({"cat1", "cat2", "cat3"});
	});
	
	QPushButton* button2 = new QPushButton("xAxis->setCategories({});");
	layout->addWidget(button2);
	connect(button2, &QPushButton::clicked, this, [xAxis]() {
		qDebug() << "xAxis->setCategories({});";
		xAxis->setCategories({});
	});
	
	QPushButton* button3 = new QPushButton("xAxis->clear();");
	layout->addWidget(button3);
	connect(button3, &QPushButton::clicked, this, [xAxis]() {
		qDebug() << "xAxis->clear();";
		xAxis->clear();
	});
	
	QPushButton* button4 = new QPushButton("xAxis->setCategories({\"\"});");
	layout->addWidget(button4);
	connect(button4, &QPushButton::clicked, this, [xAxis]() {
		qDebug() << "xAxis->setCategories({\"\"});";
		xAxis->setCategories({""});
	});
}