qt-creator/src/plugins/designer/resourcehandler.h

/**************************************************************************
**
** This file is part of Qt Creator
**
** Copyright (c) 2011 Nokia Corporation and/or its subsidiary(-ies).
**
** Contact: Nokia Corporation (info@qt.nokia.com)
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** GNU Lesser General Public License Usage
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** License version 2.1 as published by the Free Software Foundation and
** appearing in the file LICENSE.LGPL included in the packaging of this file.
** Please review the following information to ensure the GNU Lesser General
** Public License version 2.1 requirements will be met:
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** rights. These rights are described in the Nokia Qt LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
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#ifndef RESOURCEHANDLER_H
#define RESOURCEHANDLER_H

#include <QtCore/QObject>
#include <QtCore/QStringList>

QT_BEGIN_NAMESPACE
namespace qdesigner_internal {
    class FormWindowBase;
}
QT_END_NAMESPACE

namespace ProjectExplorer {
class SessionNode;
class NodesWatcher;
}

namespace Designer {
namespace Internal {

/* ResourceHandler: Constructed on a form window and activated on open/save as
 * (see README.txt). The form can have 2 states:
 * 1) standalone: Uses the form editor's list of resource files.
 * 2) Within a project: Use the list of resources files of the projects.
 *
 * When initializing, store the original list of qrc files of the form and
 * connect to various signals of the project explorer to re-check.
 * In updateResources, check whether the form is part of a project and use
 * the project's resource files or the stored ones. */

class ResourceHandler : public QObject
{
    Q_OBJECT
public:
    explicit ResourceHandler(qdesigner_internal::FormWindowBase *fw);
    virtual ~ResourceHandler();

public slots:
    void updateResources();

private:
    void ensureInitialized();

    qdesigner_internal::FormWindowBase * const m_form;

    QStringList m_originalUiQrcPaths;
    ProjectExplorer::SessionNode *m_sessionNode;
    ProjectExplorer::NodesWatcher *m_sessionWatcher;
};

} // namespace Internal
} // namespace Designer

#endif // RESOURCEHANDLER_H