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/***************************************************************************
* *
* This file is part of the Fotowall project, *
* http://www.enricoros.com/opensource/fotowall *
* *
* Copyright (C) 2009 by TANGUY Arnaud <arn.tanguy@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. *
* *
***************************************************************************/
#include "FotowallFile.h"
#include "Canvas/Canvas.h"
#include "App.h"
#include "Settings.h"
#include <QCoreApplication>
#include <QFile>
#include <QFileDialog>
#include <QMessageBox>
#include <QString>
#include <QTextStream>
/** \brief XML File structure
Old (0.4 to 0.8.96)
<fotowall>
<project>
<mode />
</project>
<desk />
<content>
<type .. />
...
<type .. />
</content>
</fotowall>
Since Fotowall 0.8.97
<fotowall format="2" version="0.8.97">
<canvas>
<mode />
<background />
<content />
</canvas>
</fotowall>
**/
bool FotowallFile::read(const QString & fwFilePath, Canvas * canvas, bool inHistory)
{
// open the file for reading
QFile file(fwFilePath);
if (!file.open(QIODevice::ReadOnly)) {
QMessageBox::critical(0, QObject::tr("Loading error"), QObject::tr("Unable to load the Fotowall file %1").arg(fwFilePath));
return false;
}
// load the DOM
QString error;
QDomDocument doc;
if (!doc.setContent(&file, false, &error)) {
QMessageBox::critical(0, QObject::tr("Parsing error"), QObject::tr("Unable to parse the Fotowall file %1. The error was: %2").arg(fwFilePath, error));
return false;
}
file.close();
// get the Canvas node
QDomElement root = doc.documentElement();
QDomElement canvasElement = root.firstChildElement("canvas");
if (!canvasElement.isElement()) // 'Format 1'
canvasElement = root;
if (!canvasElement.isElement())
return false;
// restore the canvas
canvas->setFilePath(fwFilePath);
canvas->loadFromXml(canvasElement);
// add to the recent history
if (inHistory)
App::settings->addRecentFotowallUrl(QUrl(fwFilePath));
return true;
}
QImage FotowallFile::embeddedPreview(const QString & fwFilePath)
{
// open the file for reading
QFile file( fwFilePath);
if (!file.open(QIODevice::ReadOnly))
return QImage();
// load the DOM
QDomDocument doc;
if (!doc.setContent(&file, false))
return QImage();
file.close();
// get the Canvas/Preview element
QDomElement previewElement = doc.documentElement().firstChildElement("canvas").firstChildElement("preview");
if (previewElement.isElement()) {
QString imageTextData = previewElement.text();
QByteArray imageData = QByteArray::fromBase64(imageTextData.toLatin1());
return QImage::fromData(imageData, "PNG");
}
return QImage();
}
bool FotowallFile::saveV2(const QString & fwFilePath, const Canvas * canvas)
{
// create the document
QDomDocument doc;
doc.appendChild(doc.createProcessingInstruction("xml","version=\"1.0\" "));
QDomElement rootElement = doc.createElement("fotowall");
rootElement.setAttribute("format", 2);
rootElement.setAttribute("version", QCoreApplication::applicationVersion());
doc.appendChild(rootElement);
QDomElement canvasElement = doc.createElement("canvas");
rootElement.appendChild(canvasElement);
// save current canvas
Canvas * rwCanvas = (Canvas *)canvas;
rwCanvas->setFilePath(fwFilePath);
canvas->saveToXml(canvasElement);
// open the file for writing
QFile file(fwFilePath);
if (!file.open(QIODevice::WriteOnly)) {
QMessageBox::warning(0, QObject::tr("File Error"), QObject::tr("Error saving to the Fotowall file '%1'").arg(fwFilePath));
return false;
}
// save in the file (2 indent spaces)
QTextStream outStream(&file);
doc.save(outStream, 2);
file.close();
// store a reference to the just written file
App::settings->addRecentFotowallUrl(QUrl(fwFilePath));
return true;
}
QString FotowallFile::getLoadFotowallFile()
{
// make up the default load path (stored as 'Fotowall/LoadProjectDir')
QString defaultLoadPath = App::settings->value("Fotowall/LoadProjectDir").toString();
// ask the 'load' file name
QString fwFilePath = QFileDialog::getOpenFileName(0, QObject::tr("Select the Fotowall file"), defaultLoadPath, QObject::tr("Fotowall (*.fotowall)") /*, 0, QFileDialog::DontResolveSymlinks*/);
if (fwFilePath.isNull())
return QString();
// store the load path to settings
App::settings->setValue("Fotowall/LoadProjectDir", QFileInfo(fwFilePath).absolutePath());
return fwFilePath;
}
QStringList FotowallFile::getLoadFotowallFiles()
{
// make up the default load path (stored as 'Fotowall/LoadProjectDir')
QString defaultLoadPath = App::settings->value("Fotowall/LoadProjectDir").toString();
// ask the 'load' file name
QStringList fwFilePaths = QFileDialog::getOpenFileNames(0, QObject::tr("Add Fotowall files to the Canvas"), defaultLoadPath, QObject::tr("Fotowall (*.fotowall)") /*, 0, QFileDialog::DontResolveSymlinks*/);
if (fwFilePaths.isEmpty())
return QStringList();
// store the load path to settings
App::settings->setValue("Fotowall/LoadProjectDir", QFileInfo(fwFilePaths[0]).absolutePath());
return fwFilePaths;
}
QString FotowallFile::getSaveFotowallFile(const QString & defaultFilePath)
{
// make up the default save path
QString defaultSavePath = defaultFilePath;
if (App::settings->contains("Fotowall/SaveProjectDir") && !defaultFilePath.contains(QDir::separator()))
defaultSavePath.prepend(App::settings->value("Fotowall/SaveProjectDir").toString() + QDir::separator());
// ask the 'save' file name
QString fwFilePath = QFileDialog::getSaveFileName(0, QObject::tr("Select the Fotowall file"), defaultSavePath, "Fotowall (*.fotowall)");
if (fwFilePath.isNull())
return QString();
// store the save path to settings
App::settings->setValue("Fotowall/SaveProjectDir", QFileInfo(fwFilePath).absolutePath());
// add extension, if missing
if (!fwFilePath.endsWith(".fotowall", Qt::CaseInsensitive))
fwFilePath += ".fotowall";
return fwFilePath;
}
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