qt-creator/src/plugins/qmljseditor/qmljspreviewrunner.cpp

/****************************************************************************
**
** Copyright (C) 2012 Digia Plc and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/legal
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** This file is part of Qt Creator.
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** Foundation and appearing in the file LICENSE.LGPL included in the
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#include "qmljspreviewrunner.h"

#include <utils/environment.h>
#include <utils/hostosinfo.h>
#include <utils/qtcprocess.h>
#include <utils/synchronousprocess.h>

#include <QMessageBox>
#include <QApplication>

#include <QDebug>

namespace QmlJSEditor {
namespace Internal {

QmlJSPreviewRunner::QmlJSPreviewRunner(QObject *parent) :
    QObject(parent)
{
    // prepend creator/bin dir to search path (only useful for special creator-qml package)
    const QString searchPath = QCoreApplication::applicationDirPath()
                               + Utils::HostOsInfo::pathListSeparator()
                               + QString::fromLocal8Bit(qgetenv("PATH"));
    m_qmlViewerDefaultPath = Utils::SynchronousProcess::locateBinary(searchPath, QLatin1String("qmlviewer"));

    Utils::Environment environment = Utils::Environment::systemEnvironment();
    m_applicationLauncher.setEnvironment(environment);
}

bool QmlJSPreviewRunner::isReady() const
{
    return !m_qmlViewerDefaultPath.isEmpty();
}

void QmlJSPreviewRunner::run(const QString &filename)
{
    QString errorMessage;
    if (!filename.isEmpty()) {
        m_applicationLauncher.start(ProjectExplorer::ApplicationLauncher::Gui, m_qmlViewerDefaultPath,
                                    Utils::QtcProcess::quoteArg(filename));

    } else {
        errorMessage = tr("No file specified.");
    }

    if (!errorMessage.isEmpty())
        QMessageBox::warning(0, tr("Failed to preview Qt Quick file"),
                             tr("Could not preview Qt Quick (QML) file. Reason: \n%1").arg(errorMessage));
}


} // namespace Internal
} // namespace QmlJSEditor