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/* ============================================================
* File : cameralist.cpp
* Author: Renchi Raju <renchi@pooh.tam.uiuc.edu>
* Date : 2003-02-03
* Description :
*
* Copyright 2003 by Renchi Raju <renchi@pooh.tam.uiuc.edu>
* 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, 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.
*
* ============================================================ */
// Qt
#include <qdom.h>
#include <qfile.h>
#include <qstring.h>
#include <qtextstream.h>
// Local
#include "cameralist.h"
#include "cameratype.h"
namespace KIPIKameraKlientPlugin
{
CameraList* CameraList::instance_ = 0;
CameraList* CameraList::instance() {
return instance_;
}
class CameraListPrivate {
public:
QPtrList<CameraType> clist;
QString file;
bool modified;
};
CameraList::CameraList(QObject *parent, const QString& file) : QObject(parent) {
d = new CameraListPrivate;
d->clist.setAutoDelete(true);
d->file = file;
d->modified = false;
instance_ = this;
}
CameraList::~CameraList() {
close();
d->clist.clear();
delete d;
instance_ = 0;
}
bool CameraList::load() {
d->modified = false;
QFile cfile(d->file);
if(!cfile.open(IO_ReadOnly)) {
return false;
}
QDomDocument doc("cameralist");
if(!doc.setContent(&cfile)) {
return false;
}
QDomElement docElem = doc.documentElement();
if(docElem.tagName()!="cameralist") {
return false;
}
for(QDomNode n = docElem.firstChild(); !n.isNull(); n = n.nextSibling()) {
QDomElement e = n.toElement();
if (e.isNull()) {
continue;
}
if (e.tagName() != "item") {
continue;
}
QString model = e.attribute("model");
QString port = e.attribute("port");
CameraType *ctype = new CameraType(model, port);
insertPrivate(ctype);
}
return true;
}
bool CameraList::close() {
// If not modified don't save the file
if (!d->modified) {
return true;
}
QDomDocument doc("cameralist");
doc.setContent(QString("<!DOCTYPE XMLCameraList><cameralist version=\"1.0\" client=\"kipiplugin_kameraklietnt\"/>"));
QDomElement docElem=doc.documentElement();
for (CameraType *ctype = d->clist.first(); ctype; ctype = d->clist.next()) {
QDomElement elem = doc.createElement("item");
elem.setAttribute("model", ctype->model());
elem.setAttribute("port", ctype->port());
docElem.appendChild(elem);
}
QFile cfile(d->file);
if (!cfile.open(IO_WriteOnly)) {
return false;
}
QTextStream stream(&cfile);
stream.setEncoding(QTextStream::UnicodeUTF8);
stream << doc.toString();
cfile.close();
return true;
}
void CameraList::insert(CameraType* ctype) {
if(!ctype) {
return;
}
d->modified = true;
insertPrivate(ctype);
}
void CameraList::remove(CameraType* ctype) {
if (!ctype) {
return;
}
d->modified = true;
removePrivate(ctype);
}
void CameraList::insertPrivate(CameraType* ctype) {
if (!ctype) {
return;
}
d->clist.append(ctype);
emit signalCameraListChanged();
}
void CameraList::removePrivate(CameraType* ctype) {
if (!ctype) {
return;
}
d->clist.remove(ctype);
emit signalCameraListChanged();
}
QPtrList<CameraType>* CameraList::cameraList() {
return &d->clist;
}
CameraType* CameraList::find(const QString& model) {
for (CameraType *ctype = d->clist.first(); ctype; ctype = d->clist.next()) {
if (ctype->model() == model) {
return ctype;
}
}
return 0;
}
void CameraList::clear() {
CameraType *ctype = d->clist.first();
while (ctype) {
remove(ctype);
ctype = d->clist.first();
}
}
} // NameSpace KIPIKameraKlientPlugin
#include "cameralist.moc"
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