/****************************************************************************
**
** Copyright (C) 1992-2005 Trolltech AS. All rights reserved.
**
** This file is part of the designer application of the Qt Toolkit.
**
** This file may be distributed and/or modified under the terms of the
** GNU General Public License version 2 as published by the Free Software
** Foundation and appearing in the file LICENSE.GPL included in the
** packaging of this file.
**
** See http://www.trolltech.com/pricing.html or email sales@trolltech.com for
** information about Qt Commercial License Agreements.
** See http://www.trolltech.com/gpl/ for GPL licensing information.
**
** Contact info@trolltech.com if any conditions of this licensing are
** not clear to you.
**
** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
**
****************************************************************************/

#ifndef RESOURCE_H
#define RESOURCE_H

#include <QtDesigner/uilib_global.h>

#include <QtCore/QList>
#include <QtCore/QHash>
#include <QtCore/QDir>

#include <QtGui/QSizePolicy>
#include <QtGui/QPalette>

class QIcon;
class QObject;
class QVariant;
class QWidget;
class QListWidget;
class QTreeWidget;
class QComboBox;
class QLayout;
class QLayoutItem;
class QSpacerItem;
class QIODevice;
class QAction;
class QActionGroup;

class DomUI;
class DomWidget;
class DomLayout;
class DomLayoutItem;
class DomProperty;
class DomColorGroup;
class DomSpacer;
class DomString;
class DomTabStops;
class DomConnections;
class DomCustomWidgets;
class DomAction;
class DomActionGroup;
class DomActionRef;
class DomResources;

class QT_UILIB_EXPORT QAbstractFormBuilder
{
public:
    QAbstractFormBuilder();
    virtual ~QAbstractFormBuilder();

    QDir workingDirectory() const;
    void setWorkingDirectory(const QDir &directory);

    virtual QWidget *load(QIODevice *dev, QWidget *parentWidget=0);
    virtual void save(QIODevice *dev, QWidget *widget);

protected:
//
// load
//
    virtual void loadExtraInfo(DomWidget *ui_widget, QWidget *widget, QWidget *parentWidget);

    virtual QWidget *create(DomUI *ui, QWidget *parentWidget);
    virtual QWidget *create(DomWidget *ui_widget, QWidget *parentWidget);
    virtual QLayout *create(DomLayout *ui_layout, QLayout *layout, QWidget *parentWidget);
    virtual QLayoutItem *create(DomLayoutItem *ui_layoutItem, QLayout *layout, QWidget *parentWidget);

    virtual QAction *create(DomAction *ui_action, QObject *parent);
    virtual QActionGroup *create(DomActionGroup *ui_action_group, QObject *parent);
    virtual void addMenuAction(QAction *action);

    virtual void applyProperties(QObject *o, const QList<DomProperty*> &properties);
    virtual void applyTabStops(QWidget *widget, DomTabStops *tabStops);

    virtual QWidget *createWidget(const QString &widgetName, QWidget *parentWidget, const QString &name);
    virtual QLayout *createLayout(const QString &layoutName, QObject *parent, const QString &name);
    virtual QAction *createAction(QObject *parent, const QString &name);
    virtual QActionGroup *createActionGroup(QObject *parent, const QString &name);

    virtual void createCustomWidgets(DomCustomWidgets *) {}
    virtual void createConnections(DomConnections *, QWidget *) {}
    virtual void createResources(DomResources*) {}

    virtual bool addItem(DomLayoutItem *ui_item, QLayoutItem *item, QLayout *layout);
    virtual bool addItem(DomWidget *ui_widget, QWidget *widget, QWidget *parentWidget);

//
// save
//
    virtual void saveExtraInfo(QWidget *widget, DomWidget *ui_widget, DomWidget *ui_parentWidget);

    virtual void saveDom(DomUI *ui, QWidget *widget);

    virtual DomActionRef *createActionRefDom(QAction *action);

    virtual DomWidget *createDom(QWidget *widget, DomWidget *ui_parentWidget, bool recursive = true);
    virtual DomLayout *createDom(QLayout *layout, DomLayout *ui_layout, DomWidget *ui_parentWidget);
    virtual DomLayoutItem *createDom(QLayoutItem *item, DomLayout *ui_parentLayout, DomWidget *ui_parentWidget);
    virtual DomSpacer *createDom(QSpacerItem *spacer, DomLayout *ui_parentLayout, DomWidget *ui_parentWidget);

    virtual DomAction *createDom(QAction *action);
    virtual DomActionGroup *createDom(QActionGroup *actionGroup);

    virtual DomConnections *saveConnections();
    virtual DomCustomWidgets *saveCustomWidgets();
    virtual DomTabStops *saveTabStops();
    virtual DomResources *saveResources();
    virtual QList<DomProperty*> computeProperties(QObject *obj);
    virtual bool checkProperty(QObject *obj, const QString &prop) const;
    virtual DomProperty *createProperty(QObject *object, const QString &propertyName, const QVariant &value);

    virtual void layoutInfo(DomLayout *layout, QObject *parent, int *margin, int *spacing);

    virtual QIcon nameToIcon(const QString &filePath, const QString &qrcPath);
    virtual QString iconToFilePath(const QIcon &pm) const;
    virtual QString iconToQrcPath(const QIcon &pm) const;
    virtual QPixmap nameToPixmap(const QString &filePath, const QString &qrcPath);
    virtual QString pixmapToFilePath(const QPixmap &pm) const;
    virtual QString pixmapToQrcPath(const QPixmap &pm) const;

    void loadListWidgetExtraInfo(DomWidget *ui_widget, QListWidget *listWidget, QWidget *parentWidget);
    void loadTreeWidgetExtraInfo(DomWidget *ui_widget, QTreeWidget *treeWidget, QWidget *parentWidget);
    void loadComboBoxExtraInfo(DomWidget *ui_widget, QComboBox *comboBox, QWidget *parentWidget);

    void saveListWidgetExtraInfo(QListWidget *widget, DomWidget *ui_widget, DomWidget *ui_parentWidget);
    void saveTreeWidgetExtraInfo(QTreeWidget *treeWidget, DomWidget *ui_widget, DomWidget *ui_parentWidget);
    void saveComboBoxExtraInfo(QComboBox *widget, DomWidget *ui_widget, DomWidget *ui_parentWidget);

//
// utils
//
    QVariant toVariant(const QMetaObject *meta, DomProperty *property);
    static bool toBool(const QString &str);
    static QString toString(const DomString *str);
    static QHash<QString, DomProperty*> propertyMap(const QList<DomProperty*> &properties);

    void setupColorGroup(QPalette &palette, DomColorGroup *group);
    DomColorGroup *saveColorGroup(const QPalette &palette);

    void reset();

protected:
    QHash<QObject*, bool> m_laidout;
    QHash<QString, QAction*> m_actions;
    QHash<QString, QActionGroup*> m_actionGroups;
    int m_defaultMargin;
    int m_defaultSpacing;
    QDir m_workingDirectory;

private:
    QAbstractFormBuilder(const QAbstractFormBuilder &other);
    void operator = (const QAbstractFormBuilder &other);
};

#endif // RESOURCE_H
