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3 ** Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies).
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6 ** This file is part of the examples of the Qt Toolkit.
8 ** $QT_BEGIN_LICENSE:BSD$
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41 #include <QMessageBox>
42 #include <QFileDialog>
43 #include <QtXmlPatterns>
45 #include "querymainwindow.h"
46 #include "xmlsyntaxhighlighter.h"
49 QueryMainWindow::QueryMainWindow() : ui_defaultQueries(0)
53 new XmlSyntaxHighlighter(findChild<QTextEdit*>("inputTextEdit")->document());
54 new XmlSyntaxHighlighter(findChild<QTextEdit*>("outputTextEdit")->document());
56 ui_defaultQueries = findChild<QComboBox*>("defaultQueries");
57 QMetaObject::connectSlotsByName(this);
58 connect(ui_defaultQueries, SIGNAL(currentIndexChanged(int)), SLOT(displayQuery(int)));
61 const QStringList queries(QDir(":/files/", "*.xq").entryList());
62 int len = queries.count();
63 for(int i = 0; i < len; ++i)
64 ui_defaultQueries->addItem(queries.at(i));
70 void QueryMainWindow::displayQuery(int index)
72 QFile queryFile(QString(":files/") + ui_defaultQueries->itemText(index));
73 queryFile.open(QIODevice::ReadOnly);
74 const QString query(QString::fromLatin1(queryFile.readAll()));
75 findChild<QTextEdit*>("queryTextEdit")->setPlainText(query);
82 void QueryMainWindow::loadInputFile()
85 forView.setFileName(":/files/cookbook.xml");
86 if (!forView.open(QIODevice::ReadOnly)) {
87 QMessageBox::information(this,
88 tr("Unable to open file"), forView.errorString());
92 QTextStream in(&forView);
93 QString inputDocument = in.readAll();
94 findChild<QTextEdit*>("inputTextEdit")->setPlainText(inputDocument);
99 void QueryMainWindow::evaluate(const QString &str)
101 QFile sourceDocument;
102 sourceDocument.setFileName(":/files/cookbook.xml");
103 sourceDocument.open(QIODevice::ReadOnly);
106 QBuffer buffer(&outArray);
107 buffer.open(QIODevice::ReadWrite);
110 query.bindVariable("inputDocument", &sourceDocument);
112 if (!query.isValid())
115 QXmlFormatter formatter(query, &buffer);
116 if (!query.evaluateTo(&formatter))
120 findChild<QTextEdit*>("outputTextEdit")->setPlainText(QString::fromUtf8(outArray.constData()));