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/* This file is part of the KDE project
* Copyright (C) 2008 Peter Simonsson <peter.simonsson@gmail.com>
* Copyright (C) 2010-2014 Yue Liu <yue.liu@mail.com>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* 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 "StencilShapeFactory.h"
#include "StencilBoxDebug.h"
#include <KoShape.h>
#include <KoDrag.h>
#include <KoShapeOdfSaveHelper.h>
#include <KoOdf.h>
#include <KoShapeLoadingContext.h>
#include <KoShapeBasedDocumentBase.h>
#include <KoOdfLoadingContext.h>
#include <KoStore.h>
#include <KoOdfReadStore.h>
#include <KoXmlNS.h>
#include <KoShapeRegistry.h>
#include <SvgParser.h>
#include <KoProperties.h>
#include <KoShapeGroup.h>
#include <KoShapeGroupCommand.h>
#include <QMimeData>
#include <QIODevice>
#include <KArchive/kcompressiondevice.h>
StencilShapeFactory::
StencilShapeFactory(const QString& id,
const QString& name,
const KoProperties* props)
: KoShapeFactoryBase(id, name)
, m_properties(props)
{
// ensures ShapeCollectionDocker ignores the stencil shapes for now,
// exclusively available by StencilBox
setFamily("stencil");
}
StencilShapeFactory::
~StencilShapeFactory()
{
delete m_properties;
}
KoShape* StencilShapeFactory::
createFromOdf(KoStore* store, KoDocumentResourceManager* documentRes) const
{
KoOdfReadStore odfStore(store);
QString errorMessage;
if (! odfStore.loadAndParse(errorMessage)) {
errorStencilBox << "loading and parsing failed:" << errorMessage << endl;
return 0;
}
KoXmlElement content = odfStore.contentDoc().documentElement();
KoXmlElement realBody(KoXml::namedItemNS(content, KoXmlNS::office, "body"));
if (realBody.isNull()) {
errorStencilBox << "No body tag found!" << endl;
return 0;
}
KoXmlElement body = KoXml::namedItemNS(realBody, KoXmlNS::office, "drawing");
if (body.isNull()) {
errorStencilBox << "No office:drawing tag found!" << endl;
return 0;
}
KoXmlElement page = KoXml::namedItemNS(body, KoXmlNS::draw, "page");
if (page.isNull()) {
errorStencilBox << "No page found!" << endl;
return 0;
}
KoXmlElement shapeElement = KoXml::namedItemNS(page, KoXmlNS::draw, "g");
if (shapeElement.isNull()) {
shapeElement = KoXml::namedItemNS(page, KoXmlNS::draw, "custom-shape");
if (shapeElement.isNull()) {
errorStencilBox << "draw:g or draw:custom-shape element not found!" << endl;
return 0;
}
}
KoOdfLoadingContext loadingContext(odfStore.styles(), odfStore.store());
KoShapeLoadingContext context(loadingContext, documentRes);
KoShapeRegistry* registry = KoShapeRegistry::instance();
foreach (const QString & id, registry->keys()) {
KoShapeFactoryBase* shapeFactory = registry->value(id);
shapeFactory->newDocumentResourceManager(documentRes);
}
return KoShapeRegistry::instance()->createShapeFromOdf(shapeElement, context);
}
KoShape* StencilShapeFactory::
createFromSvg(QIODevice* in, KoDocumentResourceManager* documentRes) const
{
if (!in->open(QIODevice::ReadOnly)) {
debugStencilBox << "svg file open error";
return 0;
}
int line, col;
QString errormessage;
KoXmlDocument inputDoc;
const bool parsed = inputDoc.setContent(in, &errormessage, &line, &col);
in->close();
if (!parsed) {
debugStencilBox << "Error while parsing file: "
<< "at line " << line << " column: " << col
<< " message: " << errormessage << endl;
return 0;
}
SvgParser parser(documentRes);
parser.setXmlBaseDir(id());
QList<KoShape*> shapes = parser.parseSvg(inputDoc.documentElement());
if (shapes.isEmpty())
return 0;
if (shapes.count() == 1)
return shapes.first();
KoShapeGroup *svgGroup = new KoShapeGroup;
KoShapeGroupCommand cmd(svgGroup, shapes);
cmd.redo();
return svgGroup;
}
KoShape* StencilShapeFactory::
createDefaultShape(KoDocumentResourceManager* documentResources) const
{
KoShape* shape = 0;
KoStore* store = 0;
QIODevice* in = 0;
QString ext = id().mid(id().lastIndexOf('.')).toLower();
if (ext == ".odg") {
store = KoStore::createStore(id(), KoStore::Read);
if (!store->bad()) {
shape = createFromOdf(store, documentResources);
}
delete store;
} else if (ext == ".svg") {
in = new KCompressionDevice(id(), KCompressionDevice::None);
shape = createFromSvg(in, documentResources);
delete in;
} else if (ext == ".svgz") {
in = new KCompressionDevice(id(), KCompressionDevice::GZip);
shape = createFromSvg(in, documentResources);
delete in;
} else {
debugStencilBox << "stencil format" << ext << "unsupported";
}
if (shape) {
if (m_properties->intProperty("keepAspectRatio") == 1)
shape->setKeepAspectRatio(true);
}
return shape;
}
// StencilShapeFactory shouldn't participate element support detection
bool StencilShapeFactory::
supports(const KoXmlElement& e, KoShapeLoadingContext& context) const
{
Q_UNUSED(e);
Q_UNUSED(context);
return false;
}
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