/**************************************************************************
**
** This file is part of Qt Creator
**
** Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies).
**
** Contact: Nokia Corporation (qt-info@nokia.com)
**
** Commercial Usage
**
** Licensees holding valid Qt Commercial licenses may use this file in
** accordance with the Qt 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.
**
** If you are unsure which license is appropriate for your use, please
** contact the sales department at http://qt.nokia.com/contact.
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**************************************************************************/

#ifndef VALUEEDITOR_H
#define VALUEEDITOR_H

#include "namespace_global.h"
#include "ui_valueeditor.h"

#include <QtCore/QList>
#include <QtGui/QWidget>
#include <QtCore/QPointer>

QT_BEGIN_NAMESPACE
class ProBlock;
class ProVariable;
QT_END_NAMESPACE

namespace Qt4ProjectManager {
namespace Internal {

class ProEditorModel;
class ProItemInfoManager;

class ValueEditor : public QWidget, protected Ui::ValueEditor
{
    Q_OBJECT

public:
    ValueEditor(QWidget *parent = 0);
    ~ValueEditor();

    void initialize(ProEditorModel *model, ProItemInfoManager *infomanager);

public slots:
    void editIndex(const QModelIndex &index);

protected slots:
    void modelChanged(const QModelIndex &index);

    void addItem(QString value = QString());
    void removeItem();

    void updateItemList(const QModelIndex &item);
    void updateItemChanges(QListWidgetItem *item);

    void updateVariableId();
    void updateVariableId(int index);
    void updateVariableOp(int index);

    void updateItemId();
    void updateItemId(int index);

private:
    enum ItemEditType {
        SingleDefined   = 0,
        SingleUndefined = 1,
        MultiDefined    = 2,
        MultiUndefined  = 3
    };

    void hideVariable();
    void showVariable(bool advanced);
    void setItemEditType(ItemEditType type);
    void setDescription(ItemEditType type, const QString &header, const QString &desc = QString());

    void initialize();

    void showVariable(ProVariable *variable);
    void showScope(ProBlock *scope);
    void showOther(ProBlock *block);

    ItemEditType itemType(bool defined, bool multiple) const;
    QModelIndex findValueIndex(const QString &id) const;

protected:
    QPointer<ProEditorModel> m_model;

private:
    bool m_handleModelChanges;

    QModelIndex m_currentIndex;
    ProItemInfoManager *m_infomanager;
};

} // namespace Internal
} // namespace Qt4ProjectManager

#endif // VALUEEDITOR_H