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#include <QtGui>
#include <QtWebKit>

#include "window.h"

//! [Window constructor]
Window::Window(QWidget *parent)
    : QMainWindow(parent)
{
    setupUi(this);
}
//! [Window constructor]

//! [set URL]
void Window::setUrl(const QUrl &url)
{    
    webView->setUrl(url);
}
//! [set URL]
    
//! [begin document inspection]
void Window::on_webView_loadFinished()
{
    treeWidget->clear();

    QWebFrame *frame = webView->page()->mainFrame();
    QWebElement document = frame->documentElement();

    examineChildElements(document, treeWidget->invisibleRootItem());
}
//! [begin document inspection]

//! [traverse document]
void Window::examineChildElements(const QWebElement &parentElement,
                                  QTreeWidgetItem *parentItem)
{
    QWebElement element = parentElement.firstChild();
    while (!element.isNull()) {

        QTreeWidgetItem *item = new QTreeWidgetItem();
        item->setText(0, element.tagName());
        parentItem->addChild(item);

        examineChildElements(element, item);

        element = element.nextSibling();
    }
}
//! [traverse document]