/* treeitem.h

Copyright (c) 2013, Nikolaj Schlej. All rights reserved.
This program and the accompanying materials                          
are licensed and made available under the terms and conditions of the BSD License         
which accompanies this distribution.  The full text of the license may be found at        
http://opensource.org/licenses/bsd-license.php                                            

THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,                     
WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.             

*/

#ifndef __TREEITEM_H__
#define __TREEITEM_H__

#include <QByteArray>
#include <QList>
#include <QString>
#include <QVariant>

#include "basetypes.h"

extern QString itemTypeToQString(const UINT8 type);
extern QString itemSubtypeToQString(const UINT8 type, const UINT8 subtype);
extern QString compressionTypeToQString(UINT8 algorithm);

class TreeItem
{
public:
    // Action types
    enum ActionTypes {
        NoAction,
        Remove,
        Reconstruct
    };
    
    // Item types
    enum ItemTypes {
        Root,
        Image,
        Capsule,
        Descriptor,
        Region,
        Padding,
        Volume,
        File,
        Section
    };

    // Capsule subtypes
    enum CapsuleSubtypes {
        AptioCapsule,
        UefiCapsule
    };

    // Region subtypes
    enum RegionSubtypes {
        GbeRegion,
        MeRegion,
        BiosRegion,
        PdrRegion
    };
    
    // Constructor
    TreeItem(const UINT8 type, const UINT8 subtype = 0, const UINT8 compression = COMPRESSION_ALGORITHM_NONE, 
        const QString &name = QString(), const QString &text = QString(), const QString &info = QString(), 
        const QByteArray & header = QByteArray(), const QByteArray & body = QByteArray(), TreeItem *parent = 0);
    // Destructor
    ~TreeItem();

    // Operations with items
    void appendChild(TreeItem *item);
    void prependChild(TreeItem *item);
    UINT8 insertChildBefore(TreeItem *item, TreeItem *newItem);
    UINT8 insertChildAfter(TreeItem *item, TreeItem *newItem);

    // Model support operations
    TreeItem *child(int row);
    int childCount() const;
    int columnCount() const;
    QVariant data(int column) const;
    int row() const;
    TreeItem *parent();

    // Reading operations for item parameters
    UINT8 type() const;
    UINT8 subtype() const;
    QByteArray header() const;
    bool hasEmptyHeader() const;
    QByteArray body() const;
    bool hasEmptyBody() const;
    QString info() const;
    UINT8 compression() const;

    // Actions can also be changed
    UINT8 action() const;
    void setAction(const UINT8 action); 

    // Text values can be changed after item construction
    void setTypeName(const QString &text);
    void setSubtypeName(const QString &text);
    void setName(const QString &text);
    void setText(const QString &text);
    void setInfo(const QString &text);

private:
    // Set default names after construction
    // They can later be changed by set* methods
    void setDefaultNames();
    
    QList<TreeItem*> childItems;
    UINT8 itemAction;
    UINT8 itemType;
    UINT8 itemSubtype;
    UINT8 itemCompression;
    QByteArray itemHeader;
    QByteArray itemBody;
    QString itemTypeName;
    QString itemSubtypeName;
    QString itemName;
    QString itemText;
    QString itemInfo;
    TreeItem *parentItem;
};

#endif