openshowvar Git

/***************************************************************************
 *   Copyright (C) 2007 by Massimiliano Fago                               *
 *   massimiliano.fago@gmail.com                                           *
 *                                                                         *
 *   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.,                                       *
 *   59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.             *
 ***************************************************************************/

/*!	\file
 *	\brief Salvataggio lista variabili in formato xml
 *
 *	Consente di salvare la lista delle variabili attualmente in lettura
 *	su di un file. Questo consente l'inserimento automatico nella lista
 *	alla prossima apertura del programma.
 */

#include "listvarxml.h"

/*!	\brief Costruttore
 *
 *	Inizializza la classe xml
 *
 */

ListVarXml::ListVarXml(){
	
}

ListVarXml::~ListVarXml(){
	
}
/*
/*!	\brief Scrittura lista variabili
 *
 *	Scrive su file la lista delle variabili e i relativi ip di provenienza nel seguente
 *	formato:
 *	<VARLIST>
 *		<variable>
 *   			<name>$OV_PRO</name>
 *   			<robot>192.168.0.1</robot>
 *		</variable>
 *		<variable>
 *   			<name>$POS_ACT</name>
 *   			<robot>192.168.0.1</robot>
 *		</variable>
 *	</VARLIST>
 *
 *	\param tree Lista delle variabili
 */

void ListVarXml::writeList(QTreeWidget *tree, const QString filename){
    QDomDocument doc;

    QDomElement variablelist = doc.createElement("VARLIST");
    doc.appendChild(variablelist);

    for(int row=0;row<tree->topLevelItemCount();row++)
    {
        QDomElement variable = doc.createElement("VARIABLE");
        QDomElement varname = doc.createElement("NAME");
        QDomElement robotip = doc.createElement("ROBOT");
        QDomText var = doc.createTextNode(tree->topLevelItem(row)->text(0));
        QDomText ip = doc.createTextNode(tree->topLevelItem(row)->text(4));
        variablelist.appendChild(variable);
        variable.appendChild(varname);
        variable.appendChild(robotip);
        varname.appendChild(var);
        robotip.appendChild(ip);
    }

    QFile file(filename);
    QTextStream out(&file);
    file.open(QIODevice::WriteOnly);
    const int Indent=4;
    doc.save(out, Indent);
    file.close();
}

void ListVarXml::readList(const QString filename)
{
    QDomDocument doc;

    QFile file(filename);
    file.open(QIODevice::ReadOnly);

    doc.setContent(&file);
    QDomElement root = doc.documentElement();

    QDomNode node = root.firstChild();

    while (!node.isNull()) {
        QDomElement e = node.toElement(); // try to convert the node to an element.
        if(!e.isNull()) {
            if(e.toElement().tagName()=="VARIABLE")
                estraiVariabile(e.toElement());
        }
        node = node.nextSibling();
    }

    file.close();
}

void ListVarXml::estraiVariabile(const QDomElement &element){
    QDomNode node = element.firstChild();
    QString variable, robot;

    while(!node.isNull()){
        qDebug() << "Inserimento variabile";
        QDomElement e = node.toElement();
        variable = e.text();
        node = node.nextSibling();
        e = node.toElement();
        robot = e.text();
        node = node.nextSibling();
        emit insertNewVar(variable, robot);
    }
}