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/****************************************************************************
**
** Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/
**
** This file is part of the Qt Designer of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** GNU Lesser General Public License Usage
** 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 1.1, 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.
**
** Other Usage
** Alternatively, this file may be used in accordance with the terms and
** conditions contained in a signed written agreement between you and Nokia.
**
**
**
**
**
**
** $QT_END_LICENSE$
**
****************************************************************************/
//
// W A R N I N G
// -------------
//
// This file is not part of the Qt API. It exists for the convenience
// of Qt Designer. This header
// file may change from version to version without notice, or even be removed.
//
// We mean it.
//
#ifndef OBJECTINSPECTORMODEL_H
#define OBJECTINSPECTORMODEL_H
#include <layoutinfo_p.h>
#include <QtGui/QStandardItemModel>
#include <QtGui/QIcon>
#include <QtCore/QModelIndex>
#include <QtCore/QString>
#include <QtCore/QList>
#include <QtCore/QMultiMap>
#include <QtCore/QPointer>
QT_BEGIN_NAMESPACE
class QDesignerFormWindowInterface;
namespace qdesigner_internal {
// Data structure containing the fixed item type icons
struct ObjectInspectorIcons {
QIcon layoutIcons[LayoutInfo::UnknownLayout + 1];
};
struct ModelRecursionContext;
// Data structure representing one item of the object inspector.
class ObjectData {
public:
enum Type {
Object,
Action,
SeparatorAction,
ChildWidget, // A child widget
LayoutableContainer, // A container that can be laid out
LayoutWidget, // A QLayoutWidget
ExtensionContainer // QTabWidget and the like, container extension
};
typedef QList<QStandardItem *> StandardItemList;
explicit ObjectData(QObject *parent, QObject *object, const ModelRecursionContext &ctx);
ObjectData();
inline Type type() const { return m_type; }
inline QObject *object() const { return m_object; }
inline QObject *parent() const { return m_parent; }
inline QString objectName() const { return m_objectName; }
bool equals(const ObjectData & me) const;
enum ChangedMask { ClassNameChanged = 1, ObjectNameChanged = 2,
ClassIconChanged = 4, TypeChanged = 8,
LayoutTypeChanged = 16};
unsigned compare(const ObjectData & me) const;
// Initially set up a row
void setItems(const StandardItemList &row, const ObjectInspectorIcons &icons) const;
// Update row data according to change mask
void setItemsDisplayData(const StandardItemList &row, const ObjectInspectorIcons &icons, unsigned mask) const;
private:
void initObject(const ModelRecursionContext &ctx);
void initWidget(QWidget *w, const ModelRecursionContext &ctx);
QObject *m_parent;
QObject *m_object;
Type m_type;
QString m_className;
QString m_objectName;
QIcon m_classIcon;
LayoutInfo::Type m_managedLayoutType;
};
inline bool operator==(const ObjectData &e1, const ObjectData &e2) { return e1.equals(e2); }
inline bool operator!=(const ObjectData &e1, const ObjectData &e2) { return !e1.equals(e2); }
typedef QList<ObjectData> ObjectModel;
// QStandardItemModel for ObjectInspector. Uses ObjectData/ObjectModel
// internally for its updates.
class ObjectInspectorModel : public QStandardItemModel {
public:
typedef QList<QStandardItem *> StandardItemList;
enum { ObjectNameColumn, ClassNameColumn, NumColumns };
explicit ObjectInspectorModel(QObject *parent);
enum UpdateResult { NoForm, Rebuilt, Updated };
UpdateResult update(QDesignerFormWindowInterface *fw);
const QModelIndexList indexesOf(QObject *o) const { return m_objectIndexMultiMap.values(o); }
QObject *objectAt(const QModelIndex &index) const;
virtual QVariant data(const QModelIndex &index, int role = Qt::DisplayRole) const;
virtual bool setData(const QModelIndex &index, const QVariant &value, int role = Qt::EditRole);
private:
typedef QMultiMap<QObject *,QModelIndex> ObjectIndexMultiMap;
void rebuild(const ObjectModel &newModel);
void updateItemContents(ObjectModel &oldModel, const ObjectModel &newModel);
void clearItems();
StandardItemList rowAt(QModelIndex index) const;
ObjectInspectorIcons m_icons;
ObjectIndexMultiMap m_objectIndexMultiMap;
ObjectModel m_model;
QPointer<QDesignerFormWindowInterface> m_formWindow;
};
} // namespace qdesigner_internal
#endif // OBJECTINSPECTORMODEL_H
QT_END_NAMESPACE
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