kmrlprmanager.cpp

/*
 *  This file is part of the KDE libraries
 *  Copyright (c) 2001 Michael Goffioul <tdeprint@swing.be>
 *
 *  This library is free software; you can redistribute it and/or
 *  modify it under the terms of the GNU Library General Public
 *  License version 2 as published by the Free Software Foundation.
 *
 *  This library 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
 *  Library General Public License for more details.
 *
 *  You should have received a copy of the GNU Library General Public License
 *  along with this library; see the file COPYING.LIB.  If not, write to
 *  the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
 *  Boston, MA 02110-1301, USA.
 **/
 
#include "kmrlprmanager.h"
#include "kmprinter.h"
 
#include <tqfile.h>
#include <tqfileinfo.h>
#include <tqtextstream.h>
#include <tqmap.h>
 
#include <kstandarddirs.h>
#include <tdelocale.h>
 
KMRlprManager::KMRlprManager(TQObject *parent, const char *name, const TQStringList & /*args*/)
: KMManager(parent,name)
{
    setHasManagement(true);
    setPrinterOperationMask(KMManager::PrinterCreation|KMManager::PrinterRemoval|KMManager::PrinterTesting);
}
 
KMRlprManager::~KMRlprManager()
{
}
 
bool KMRlprManager::createPrinter(KMPrinter *p)
{
    if (p->name().isEmpty())
        setErrorMsg(i18n("Empty printer name."));
    else if (p->option("host").isEmpty())
        setErrorMsg(i18n("Empty host name."));
    else if (p->option("queue").isEmpty())
        setErrorMsg(i18n("Empty queue name."));
    else
    {
        KMPrinter   *pr = new KMPrinter(*p);
        addPrinter(pr);
        savePrinters();
        return true;
    }
    return false;
}
 
bool KMRlprManager::removePrinter(KMPrinter *p)
{
    if (m_printers.findRef(p) == -1)
        setErrorMsg(i18n("Printer not found."));
    else
    {
        m_printers.removeRef(p);
        savePrinters();
        return true;
    }
    return false;
}
 
bool KMRlprManager::testPrinter(KMPrinter *)
{
    setErrorMsg(i18n("Not implemented yet."));
    return false;
}
 
void KMRlprManager::listPrinters()
{
    TQFileInfo  pfi(printerFile());
    if (pfi.exists() && (!m_checktime.isValid() || m_checktime < pfi.lastModified()))
    {
        loadPrintersConf(pfi.absFilePath());
        m_checktime = pfi.lastModified();
    }
    else
        discardAllPrinters(false);
}
 
void KMRlprManager::loadPrintersConf(const TQString& filename)
{
    TQFile  f(filename);
    if (f.exists() && f.open(IO_ReadOnly))
    {
        TQTextStream    t(&f);
        TQString        line;
        while (!t.eof())
        {
            line = t.readLine().stripWhiteSpace();
            if (line.isEmpty() || line[0] == '#')
                continue;
            TQStringList    w = TQStringList::split('\t',line,true);
            if (w.count() < 3)
                continue;
 
            KMPrinter   *printer = new KMPrinter;
            printer->setName(w[0]);
            printer->setPrinterName(w[0]);
            printer->setType(KMPrinter::Printer);
            printer->setOption("host",w[1]);
            printer->setOption("queue",w[2]);
            if (w.count() > 3)
            {
                printer->setDescription(w[3]);
                if (w.count() > 4) printer->setLocation(w[4]);
            }
            printer->setState(KMPrinter::Idle);
            printer->setDevice(TQString::fromLatin1("lpd://%1/%2").arg(w[1]).arg(w[2]));
 
            addPrinter(printer);
        }
    }
}
 
void KMRlprManager::savePrinters()
{
    savePrintersConf(printerFile());
}
 
void KMRlprManager::savePrintersConf(const TQString& filename)
{
    TQFile  f(filename);
    if (f.open(IO_WriteOnly))
    {
        TQTextStream    t(&f);
        t << "# File generated by TDE print system. Don't edit by hand." << endl;
        TQPtrListIterator<KMPrinter>    it(m_printers);
        for (;it.current();++it)
        {
            if (!it.current()->name().isEmpty() && it.current()->instanceName().isEmpty())
            {
                TQString    host = it.current()->option("host");
                TQString    queue = it.current()->option("queue");
                if (!host.isEmpty() && !queue.isEmpty())
                {
                    t << it.current()->name() << '\t' << host << '\t' << queue;
                    t << '\t' << it.current()->description() << '\t' << it.current()->location() << endl;
                }
            }
        }
    }
}
 
TQString KMRlprManager::printerFile()
{
    return locateLocal("data","tdeprint/printers.conf");
}