TuiNode.hpp

/*
 * Copyright (C) 2009 Matthew Gates
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
 * as published by the Free Software Foundation; either version 2
 * of the License, or (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Suite 500, Boston, MA  02110-1335, USA.
 */
 
#ifndef _TUINODE_HPP_
#define _TUINODE_HPP_ 1

#include <QObject>
#include <QString>
#include <QList>

typedef struct
{
    bool accepted;
    class TuiNode* newNode;
} TuiNodeResponse;

class TuiNode : public QObject
{
    Q_OBJECT
public:
    TuiNode(const QString& text, TuiNode* parent=NULL, TuiNode* prev=NULL);
    virtual TuiNodeResponse handleKey(int key);
    virtual TuiNodeResponse navigation(int key);
    virtual QString getDisplayText();
    virtual TuiNode* getParentNode() {return parentNode;}
    virtual void setParentNode(TuiNode* n) {parentNode=n; updateNodeNumber();}
    virtual TuiNode* getChildNode() {return childNode;}
    virtual void setChildNode(TuiNode* n) {childNode=n; n->setParent(this);}
    virtual TuiNode* getPrevNode() {return prevNode;}
    virtual void setPrevNode(TuiNode* n) {prevNode=n; updateNodeNumber();}
    virtual TuiNode* getNextNode() {return nextNode;}
    virtual void setNextNode(TuiNode* n) {nextNode=n;}
    virtual void loopToTheLast();
    
    int getNodeNumber() {return nodeNumber;}
    QList<int> getAncestorsNumbers() {return ancestorsNumbers;}

protected:  
    TuiNode* parentNode;
    TuiNode* childNode;
    TuiNode* prevNode;
    TuiNode* nextNode;
    QString prefixText;
    QString displayText;
    int nodeNumber;
    QList<int> ancestorsNumbers;
    void updateNodeNumber();
};

#endif /* _TUINODE_HPP_ */