source: trunk/examples/xmlpatterns/filetree/mainwindow.cpp@ 791

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#include <QtGui>
#include <QLibraryInfo>
#include <QtXmlPatterns>

#include "mainwindow.h"
#include "xmlsyntaxhighlighter.h"

//! [0]
MainWindow::MainWindow() : m_fileTree(m_namePool)
{
    setupUi(this);

    new XmlSyntaxHighlighter(fileTree->document());

    // Set up the font.
    {
        QFont font("Courier",10);
        font.setFixedPitch(true);

        fileTree->setFont(font);
        queryEdit->setFont(font);
        output->setFont(font);
    }

    const QString dir(QLibraryInfo::location(QLibraryInfo::ExamplesPath) + "/xmlpatterns/filetree");
    qDebug() << dir;

    if (QDir(dir).exists())
        loadDirectory(dir);
    else
        fileTree->setPlainText(tr("Use the Open menu entry to select a directory."));

    const QStringList queries(QDir(":/queries/", "*.xq").entryList());
    int len = queries.count();

    for (int i = 0; i < len; ++i)
        queryBox->addItem(queries.at(i));

}
//! [0]

//! [2]
void MainWindow::on_queryBox_currentIndexChanged()
{
    QFile queryFile(":/queries/" + queryBox->currentText());
    queryFile.open(QIODevice::ReadOnly);

    queryEdit->setPlainText(QString::fromLatin1(queryFile.readAll()));
    evaluateResult();
}
//! [2]

//! [3]
void MainWindow::evaluateResult()
{
    if (queryBox->currentText().isEmpty())
        return;

    QXmlQuery query(m_namePool);
    query.bindVariable("fileTree", m_fileNode);