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qtpropertybrowser.h

/****************************************************************************
**
** This file is part of a Qt Solutions component.
** 
** Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies).
** 
** Contact:  Qt Software Information (qt-info@nokia.com)
** 
** Commercial Usage  
** Licensees holding valid Qt Commercial licenses may use this file in
** accordance with the Qt Solutions Commercial License Agreement provided
** with the Software or, alternatively, in accordance with the terms
** contained in a written agreement between you and Nokia.
** 
** GNU Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public 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: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
** 
** In addition, as a special exception, Nokia gives you certain
** additional rights. These rights are described in the Nokia Qt LGPL
** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
** package.
** 
** GNU General Public License Usage 
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3.0 as published by the Free Software
** Foundation and appearing in the file LICENSE.GPL included in the
** packaging of this file.  Please review the following information to
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****************************************************************************/

/****************************************************************************
**
** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
** Contact: Qt Software Information (qt-info@nokia.com)
**
** This file is part of the tools applications of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** No Commercial Usage
** This file contains pre-release code and may not be distributed.
** You may use this file in accordance with the terms and conditions
** contained in the either Technology Preview License Agreement or the
** Beta Release License Agreement.
**
** GNU Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public 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: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** In addition, as a special exception, Nokia gives you certain
** additional rights. These rights are described in the Nokia Qt LGPL
** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
** package.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3.0 as published by the Free Software
** Foundation and appearing in the file LICENSE.GPL included in the
** packaging of this file.  Please review the following information to
** ensure the GNU General Public License version 3.0 requirements will be
** met: http://www.gnu.org/copyleft/gpl.html.
**
** If you are unsure which license is appropriate for your use, please
** contact the sales department at qt-sales@nokia.com.
** $QT_END_LICENSE$
**
****************************************************************************/

#ifndef QTPROPERTYBROWSER_H
#define QTPROPERTYBROWSER_H

#include <QtGui/QWidget>
#include <QtCore/QSet>

#if QT_VERSION >= 0x040400
QT_BEGIN_NAMESPACE
#endif

#if defined(Q_WS_WIN)
#  if !defined(QT_QTPROPERTYBROWSER_EXPORT) && !defined(QT_QTPROPERTYBROWSER_IMPORT)
#    define QT_QTPROPERTYBROWSER_EXPORT
#  elif defined(QT_QTPROPERTYBROWSER_IMPORT)
#    if defined(QT_QTPROPERTYBROWSER_EXPORT)
#      undef QT_QTPROPERTYBROWSER_EXPORT
#    endif
#    define QT_QTPROPERTYBROWSER_EXPORT __declspec(dllimport)
#  elif defined(QT_QTPROPERTYBROWSER_EXPORT)
#    undef QT_QTPROPERTYBROWSER_EXPORT
#    define QT_QTPROPERTYBROWSER_EXPORT __declspec(dllexport)
#  endif
#else
#  define QT_QTPROPERTYBROWSER_EXPORT
#endif


class QtAbstractPropertyManager;
class QtPropertyPrivate;

00118 class QT_QTPROPERTYBROWSER_EXPORT QtProperty
{
public:
    virtual ~QtProperty();

    QList<QtProperty *> subProperties() const;

    QtAbstractPropertyManager *propertyManager() const;

    QString toolTip() const;
    QString statusTip() const;
    QString whatsThis() const;
    QString propertyName() const;
    bool isEnabled() const;
    bool isModified() const;

    bool hasValue() const;
    QIcon valueIcon() const;
    QString valueText() const;

    void setToolTip(const QString &text);
    void setStatusTip(const QString &text);
    void setWhatsThis(const QString &text);
    void setPropertyName(const QString &text);
    void setEnabled(bool enable);
    void setModified(bool modified);

    void addSubProperty(QtProperty *property);
    void insertSubProperty(QtProperty *property, QtProperty *afterProperty);
    void removeSubProperty(QtProperty *property);
protected:
    explicit QtProperty(QtAbstractPropertyManager *manager);
    void propertyChanged();
private:
    friend class QtAbstractPropertyManager;
    QtPropertyPrivate *d_ptr;
};

class QtAbstractPropertyManagerPrivate;

00158 class QT_QTPROPERTYBROWSER_EXPORT QtAbstractPropertyManager : public QObject
{
    Q_OBJECT
public:

    explicit QtAbstractPropertyManager(QObject *parent = 0);
    ~QtAbstractPropertyManager();

    QSet<QtProperty *> properties() const;
    void clear() const;

    QtProperty *addProperty(const QString &name = QString());
Q_SIGNALS:

    void propertyInserted(QtProperty *property,
                QtProperty *parent, QtProperty *after);
    void propertyChanged(QtProperty *property);
    void propertyRemoved(QtProperty *property, QtProperty *parent);
    void propertyDestroyed(QtProperty *property);
protected:
    virtual bool hasValue(const QtProperty *property) const;
    virtual QIcon valueIcon(const QtProperty *property) const;
    virtual QString valueText(const QtProperty *property) const;
    virtual void initializeProperty(QtProperty *property) = 0;
    virtual void uninitializeProperty(QtProperty *property);
    virtual QtProperty *createProperty();
private:
    friend class QtProperty;
    QtAbstractPropertyManagerPrivate *d_ptr;
    Q_DECLARE_PRIVATE(QtAbstractPropertyManager)
    Q_DISABLE_COPY(QtAbstractPropertyManager)
};

00191 class QT_QTPROPERTYBROWSER_EXPORT QtAbstractEditorFactoryBase : public QObject
{
    Q_OBJECT
public:
    virtual QWidget *createEditor(QtProperty *property, QWidget *parent) = 0;
protected:
00197     explicit QtAbstractEditorFactoryBase(QObject *parent = 0)
        : QObject(parent) {}

    virtual void breakConnection(QtAbstractPropertyManager *manager) = 0;
protected Q_SLOTS:
    virtual void managerDestroyed(QObject *manager) = 0;

    friend class QtAbstractPropertyBrowser;
};

template <class PropertyManager>
00208 class QtAbstractEditorFactory : public QtAbstractEditorFactoryBase
{
public:
00211     explicit QtAbstractEditorFactory(QObject *parent) : QtAbstractEditorFactoryBase(parent) {}
00212     QWidget *createEditor(QtProperty *property, QWidget *parent)
    {
        QSetIterator<PropertyManager *> it(m_managers);
        while (it.hasNext()) {
            PropertyManager *manager = it.next();
            if (manager == property->propertyManager()) {
                return createEditor(manager, property, parent);
            }
        }
        return 0;
    }
00223     void addPropertyManager(PropertyManager *manager)
    {
        if (m_managers.contains(manager))
            return;
        m_managers.insert(manager);
        connectPropertyManager(manager);
        connect(manager, SIGNAL(destroyed(QObject *)),
                    this, SLOT(managerDestroyed(QObject *)));
    }
00232     void removePropertyManager(PropertyManager *manager)
    {
        if (!m_managers.contains(manager))
            return;
        disconnect(manager, SIGNAL(destroyed(QObject *)),
                    this, SLOT(managerDestroyed(QObject *)));
        disconnectPropertyManager(manager);
        m_managers.remove(manager);
    }
00241     QSet<PropertyManager *> propertyManagers() const
    {
        return m_managers;
    }
00245     PropertyManager *propertyManager(QtProperty *property) const
    {
        QtAbstractPropertyManager *manager = property->propertyManager();
        QSetIterator<PropertyManager *> itManager(m_managers);
        while (itManager.hasNext()) {
            PropertyManager *m = itManager.next();
            if (m == manager) {
                return m;
            }
        }
        return 0;
    }
protected:
    virtual void connectPropertyManager(PropertyManager *manager) = 0;
    virtual QWidget *createEditor(PropertyManager *manager, QtProperty *property,
                QWidget *parent) = 0;
    virtual void disconnectPropertyManager(PropertyManager *manager) = 0;
00262     void managerDestroyed(QObject *manager)
    {
        QSetIterator<PropertyManager *> it(m_managers);
        while (it.hasNext()) {
            PropertyManager *m = it.next();
            if (m == manager) {
                m_managers.remove(m);
                return;
            }
        }
    }
private:
00274     void breakConnection(QtAbstractPropertyManager *manager)
    {
        QSetIterator<PropertyManager *> it(m_managers);
        while (it.hasNext()) {
            PropertyManager *m = it.next();
            if (m == manager) {
                removePropertyManager(m);
                return;
            }
        }
    }
private:
    QSet<PropertyManager *> m_managers;
    friend class QtAbstractPropertyEditor;
};

class QtAbstractPropertyBrowser;
class QtBrowserItemPrivate;

00293 class QT_QTPROPERTYBROWSER_EXPORT QtBrowserItem
{
public:
    QtProperty *property() const;
    QtBrowserItem *parent() const;
    QList<QtBrowserItem *> children() const;
    QtAbstractPropertyBrowser *browser() const;
private:
    explicit QtBrowserItem(QtAbstractPropertyBrowser *browser, QtProperty *property, QtBrowserItem *parent);
    ~QtBrowserItem();
    QtBrowserItemPrivate *d_ptr;
    friend class QtAbstractPropertyBrowserPrivate;
};

class QtAbstractPropertyBrowserPrivate;

00309 class QT_QTPROPERTYBROWSER_EXPORT QtAbstractPropertyBrowser : public QWidget
{
    Q_OBJECT
public:

    explicit QtAbstractPropertyBrowser(QWidget *parent = 0);
    ~QtAbstractPropertyBrowser();

    QList<QtProperty *> properties() const;
    QList<QtBrowserItem *> items(QtProperty *property) const;
    QtBrowserItem *topLevelItem(QtProperty *property) const;
    QList<QtBrowserItem *> topLevelItems() const;
    void clear();

    template <class PropertyManager>
00324     void setFactoryForManager(PropertyManager *manager,
                    QtAbstractEditorFactory<PropertyManager> *factory) {
        QtAbstractPropertyManager *abstractManager = manager;
        QtAbstractEditorFactoryBase *abstractFactory = factory;

        if (addFactory(abstractManager, abstractFactory))
            factory->addPropertyManager(manager);
    }

    void unsetFactoryForManager(QtAbstractPropertyManager *manager);

    QtBrowserItem *currentItem() const;
    void setCurrentItem(QtBrowserItem *);

Q_SIGNALS:
    void currentItemChanged(QtBrowserItem *);

public Q_SLOTS:

    QtBrowserItem *addProperty(QtProperty *property);
    QtBrowserItem *insertProperty(QtProperty *property, QtProperty *afterProperty);
    void removeProperty(QtProperty *property);

protected:

    virtual void itemInserted(QtBrowserItem *item, QtBrowserItem *afterItem) = 0;
    virtual void itemRemoved(QtBrowserItem *item) = 0;
    // can be tooltip, statustip, whatsthis, name, icon, text.
    virtual void itemChanged(QtBrowserItem *item) = 0;

    virtual QWidget *createEditor(QtProperty *property, QWidget *parent);
private:

    bool addFactory(QtAbstractPropertyManager *abstractManager,
                QtAbstractEditorFactoryBase *abstractFactory);

    QtAbstractPropertyBrowserPrivate *d_ptr;
    Q_DECLARE_PRIVATE(QtAbstractPropertyBrowser)
    Q_DISABLE_COPY(QtAbstractPropertyBrowser)
    Q_PRIVATE_SLOT(d_func(), void slotPropertyInserted(QtProperty *,
                            QtProperty *, QtProperty *))
    Q_PRIVATE_SLOT(d_func(), void slotPropertyRemoved(QtProperty *,
                            QtProperty *))
    Q_PRIVATE_SLOT(d_func(), void slotPropertyDestroyed(QtProperty *))
    Q_PRIVATE_SLOT(d_func(), void slotPropertyDataChanged(QtProperty *))

};

#if QT_VERSION >= 0x040400
QT_END_NAMESPACE
#endif

#endif // QTPROPERTYBROWSER_H

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