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      1 /*
      2     Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies)
      3 
      4     This library is free software; you can redistribute it and/or
      5     modify it under the terms of the GNU Library General Public
      6     License as published by the Free Software Foundation; either
      7     version 2 of the License, or (at your option) any later version.
      8 
      9     This library is distributed in the hope that it will be useful,
     10     but WITHOUT ANY WARRANTY; without even the implied warranty of
     11     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
     12     Library General Public License for more details.
     13 
     14     You should have received a copy of the GNU Library General Public License
     15     along with this library; see the file COPYING.LIB.  If not, write to
     16     the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
     17     Boston, MA 02110-1301, USA.
     18 */
     19 
     20 #include <QApplication>
     21 #include <QUrl>
     22 #include <qwebview.h>
     23 #include <qwebframe.h>
     24 #include <qwebelement.h>
     25 
     26 static QWebFrame *frame;
     27 
     28 static void traverse()
     29 {
     30 //! [Traversing with QWebElement]
     31     frame->setHtml("<html><body><p>First Paragraph</p><p>Second Paragraph</p></body></html>");
     32     QWebElement doc = frame->documentElement();
     33     QWebElement body = doc.firstChild();
     34     QWebElement firstParagraph = body.firstChild();
     35     QWebElement secondParagraph = firstParagraph.nextSibling();
     36 //! [Traversing with QWebElement]
     37 }
     38 
     39 static void findButtonAndClick()
     40 {
     41 
     42     frame->setHtml("<form name=\"myform\" action=\"submit_form.asp\" method=\"get\">"
     43                    "<input type=\"text\" name=\"myfield\">"
     44                    "<input type=\"submit\" value=\"Submit\">"
     45                    "</form>");
     46 
     47 //! [Calling a DOM element method]
     48 
     49     QWebElement document = frame->documentElement();
     50     /* Assume that the document has the following structure:
     51 
     52         <form name="myform" action="submit_form.asp" method="get">
     53             <input type="text" name="myfield">
     54             <input type="submit" value="Submit">
     55         </form>
     56 
     57      */
     58 
     59     QWebElement button = document.findFirst("input[type=submit]");
     60     button.evaluateJavaScript("click()");
     61 
     62 //! [Calling a DOM element method]
     63 
     64  }
     65 
     66 static void autocomplete1()
     67 {
     68     QWebElement document = frame->documentElement();
     69 
     70 //! [autocomplete1]
     71     QWebElement firstTextInput = document.findFirst("input[type=text]");
     72     QString storedText = firstTextInput.attribute("value");
     73 //! [autocomplete1]
     74 
     75 }
     76 
     77 
     78 static void autocomplete2()
     79 {
     80 
     81     QWebElement document = frame->documentElement();
     82     QString storedText = "text";
     83 
     84 //! [autocomplete2]
     85     QWebElement firstTextInput = document.findFirst("input[type=text]");
     86     textInput.setAttribute("value", storedText);
     87 //! [autocomplete2]
     88 
     89 }
     90 
     91 
     92 static void findAll()
     93 {
     94 //! [FindAll]
     95     QWebElement document = frame->documentElement();
     96     /* Assume the document has the following structure:
     97 
     98        <p class=intro>
     99          <span>Intro</span>
    100          <span>Snippets</span>
    101        </p>
    102        <p>
    103          <span>Content</span>
    104          <span>Here</span>
    105        </p>
    106     */
    107 
    108 //! [FindAll intro]
    109     QWebElementCollection allSpans = document.findAll("span");
    110     QWebElementCollection introSpans = document.findAll("p.intro span");
    111 //! [FindAll intro] //! [FindAll]
    112 }
    113 
    114 int main(int argc, char *argv[])
    115 {
    116     QApplication app(argc, argv);
    117     QWebView *view = new QWebView(0);
    118     frame = view->page()->mainFrame();
    119     traverse();
    120     findAll();
    121     findButtonAndClick();
    122     autocomplete1();
    123     autocomplete2();
    124     return 0;
    125 }
    126