#include "mainwindow.h"
#include "ui_mainwindow.h"
#include <QMetaProperty>

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

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

void MainWindow::info (QObject * obj)
{
    const QMetaObject * cls = obj->metaObject ();
    QString s = cls->className();
    this->setWindowTitle (s);

    ui->tableWidget->setColumnCount (2);

    /*
    int n = cls->methodCount ();
    ui->tableWidget->setRowCount (n);
    for (int i = 0; i < n; i++)
    {
        QMetaMethod m = cls->method (i);

        QTableWidgetItem * item = new QTableWidgetItem;
        item->setText (m.name ());
        item->setToolTip (m.methodSignature ());
        ui->tableWidget->setItem (i, 0, item);

        QString s = m.name ();
        if (s == "setChecked")
        {
            QGenericReturnArgument result;
            m.invoke (obj, Qt::AutoConnection, result, Q_ARG (bool, true));
        }
    }
    */

    int n = cls->propertyCount ();
    ui->tableWidget->setRowCount (n);

    for (int i = 0; i < n; i++)
    {
        // #include <QMetaProperty>
        QMetaProperty p = cls->property (i);

        QTableWidgetItem * item = new QTableWidgetItem;
        item->setText (p.name ());
        item->setToolTip (p.typeName());
        ui->tableWidget->setItem (i, 0, item);

        QVariant v = p.read (obj);

        item = new QTableWidgetItem;
        item->setText (v.toString());
        ui->tableWidget->setItem (i, 1, item);

        /*
        QString s = p.name ();
        if (s == "enabled")
        {
            v = false;
            p.write (obj, v);
        }

        s = p.name ();
        if (s == "text")
        {
            v = "Nadpis";
            p.write (obj, v);
        }
        */
    }
}

class MyItem : public QTreeWidgetItem
{
public:
    QObject * obj;
};

void MainWindow::branch (QTreeWidgetItem * above, QObject * obj)
{
    MyItem * item = new MyItem ();
    item->setText (0, obj->objectName() + " : " +
                      obj->metaObject()->className ());
    item->obj = obj;
    if (above == NULL)
        ui->treeWidget->addTopLevelItem (item);
    else
        above->addChild (item);

    QList <QObject*> list = obj->children();
    foreach (QObject * elem, list)
    {
        branch (item, elem);
    }
}


void MainWindow::on_pushButton_clicked()
{
    info (ui->checkBox);
    branch (NULL, this);

    // info (ui->pushButton);
    //  info (ui->tableWidget);
    // info (this);

    /*
    ui->tableWidget->setColumnCount (2);

    int n = ui->tableWidget->rowCount();
    ui->tableWidget->setRowCount (n+1);

    QTableWidgetItem * item = new QTableWidgetItem;
    item->setText("abc");
    item->setBackgroundColor (QColor ("yellow"));
    item->setForeground (QColor ("red"));
    item->setToolTip ("ABC");
    ui->tableWidget->setItem (n, 0, item);
    */
}

void MainWindow::on_treeWidget_itemSelectionChanged()
{
    QList<QTreeWidgetItem*> list = ui->treeWidget->selectedItems();
    if (list.count() == 1)
    {
        QTreeWidgetItem * item = list [0];
        MyItem * myitem = dynamic_cast <MyItem*> (item);
        if (myitem != NULL)
            // myitem->setForeground (0, QColor ("orange"));
            info (myitem->obj);
    }
}


void MainWindow::on_treeWidget_itemClicked(QTreeWidgetItem *item, int column)
{
    // item->setBackgroundColor(0, QColor ("red"));
}