Qt 4.8: formextractor.cpp Example File (webkit/formextractor/formextractor.cpp)

Qt Reference Documentation

# formextractor.cpp Example File

webkit/formextractor/formextractor.cpp

     /****************************************************************************
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     ** This file is part of the examples of the Qt Toolkit.
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     #include "formextractor.h"

     #include <QWebElement>

     FormExtractor::FormExtractor(QWidget *parent, Qt::WFlags flags)
         : QWidget(parent, flags)
     {
         ui.setupUi(this);
         ui.webView->setUrl(QUrl("qrc:/form.html"));
         connect(ui.webView->page()->mainFrame(), SIGNAL(javaScriptWindowObjectCleared()),
                 this, SLOT(populateJavaScriptWindowObject()));
         resize(300, 300);
     }

     FormExtractor::~FormExtractor()
     {
     }

     void FormExtractor::submit()
     {
         QWebFrame *frame = ui.webView->page()->mainFrame();

         QWebElement firstName = frame->findFirstElement("#firstname");
         QWebElement lastName = frame->findFirstElement("#lastname");
         QWebElement maleGender = frame->findFirstElement("#genderMale");
         QWebElement femaleGender = frame->findFirstElement("#genderFemale");
         QWebElement updates = frame->findFirstElement("#updates");

         ui.firstNameEdit->setText(firstName.evaluateJavaScript("this.value").toString());
         ui.lastNameEdit->setText(lastName.evaluateJavaScript("this.value").toString());

         if (maleGender.evaluateJavaScript("this.checked").toBool())
             ui.genderEdit->setText(maleGender.evaluateJavaScript("this.value").toString());
         else if (femaleGender.evaluateJavaScript("this.checked").toBool())
             ui.genderEdit->setText(femaleGender.evaluateJavaScript("this.value").toString());

         if (updates.evaluateJavaScript("this.checked").toBool())
             ui.updatesEdit->setText("Yes");
         else
             ui.updatesEdit->setText("No");

         // In mobile devices, change the tab when the data has been submitted
         #if defined Q_OS_SYMBIAN || defined Q_WS_HILDON || defined Q_WS_MAEMO_5 || defined Q_WS_SIMULATOR
             ui.tabWidget->setCurrentWidget(ui.tabData);
         #endif
     }

     void FormExtractor::populateJavaScriptWindowObject()
     {
         ui.webView->page()->mainFrame()->addToJavaScriptWindowObject("formExtractor", this);
     }