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/* This file is part of the KDE project
Copyright (C) 2010 KO GmbH <ben.martin@kogmbh.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 "KoRdfSemanticItemViewSite.h"
#include "KoDocumentRdf.h"
// main
#include <KoCanvasBase.h>
#include <KoCanvasResourceManager.h>
#include <KoToolProxy.h>
#include <KoText.h>
#include <KoTextEditor.h>
// KF5
#include <kdebug.h>
using namespace Soprano;
class KoRdfSemanticItemViewSitePrivate
{
public:
QString m_xmlid;
hKoRdfSemanticItem m_semItem;
KoRdfSemanticItemViewSitePrivate(hKoRdfSemanticItem si, const QString &xmlid)
: m_xmlid(xmlid)
, m_semItem(si)
{
}
};
KoRdfSemanticItemViewSite::KoRdfSemanticItemViewSite(hKoRdfSemanticItem si, const QString &xmlid)
:
d (new KoRdfSemanticItemViewSitePrivate(si,xmlid))
{
}
KoRdfSemanticItemViewSite::~KoRdfSemanticItemViewSite()
{
delete d;
}
Soprano::Node KoRdfSemanticItemViewSite::linkingSubject() const
{
const KoDocumentRdf *documentRdf = d->m_semItem->documentRdf();
QSharedPointer<Soprano::Model> m = documentRdf->model();
Node pred(QUrl("http://calligra.org/rdf/site/package/common#idref"));
Node obj = Node::createLiteralNode(d->m_xmlid);
Node context = documentRdf->manifestRdfNode();
// try to find it if it already exists
StatementIterator it = m->listStatements(Node(), pred, obj, context);
QList<Statement> allStatements = it.allElements();
foreach (Soprano::Statement s, allStatements) {
return s.subject();
}
Node ret = m->createBlankNode();
m->addStatement(ret, pred, obj, context);
return ret;
}
QString KoRdfSemanticItemViewSite::getProperty(const QString &prop, const QString &defval) const
{
Soprano::Node ls = linkingSubject();
QString fqprop = "http://calligra.org/rdf/site#" + prop;
const KoDocumentRdf *rdf = d->m_semItem->documentRdf();
QSharedPointer<Soprano::Model> m = rdf->model();
StatementIterator it = m->listStatements(ls, Node::createResourceNode(QUrl(fqprop)),
Node(), rdf->manifestRdfNode());
QList<Statement> allStatements = it.allElements();
foreach (Soprano::Statement s, allStatements) {
return s.object().toString();
}
return defval;
}
void KoRdfSemanticItemViewSite::setProperty(const QString &prop, const QString &v)
{
QString fqprop = "http://calligra.org/rdf/site#" + prop;
const KoDocumentRdf *documentRdf = d->m_semItem->documentRdf();
QSharedPointer<Soprano::Model> m = documentRdf->model();
Soprano::Node ls = linkingSubject();
Soprano::Node pred = Node::createResourceNode(QUrl(fqprop));
m->removeAllStatements(Statement(ls, pred, Node()));
m->addStatement(ls, pred,Node::createLiteralNode(v), documentRdf->manifestRdfNode());
}
hKoSemanticStylesheet KoRdfSemanticItemViewSite::stylesheet() const
{
QString name = getProperty("stylesheet", "name");
QString type = getProperty("stylesheet-type", KoSemanticStylesheet::stylesheetTypeSystem());
QString uuid = getProperty("stylesheet-uuid", "");
kDebug(30015) << "stylesheet at site, format(), xmlid:" << d->m_xmlid;
kDebug(30015) << " sheet:" << name << " type:" << type;
hKoSemanticStylesheet ret(0);
if (!uuid.isEmpty()) {
ret = d->m_semItem->findStylesheetByUuid(uuid);
}
if (!ret) {
ret = d->m_semItem->findStylesheetByName(type, name);
}
if (!ret) {
// safety first, there will always be a default stylesheet
ret = d->m_semItem->defaultStylesheet();
}
Q_ASSERT(ret);
return ret;
}
void KoRdfSemanticItemViewSite::applyStylesheet(KoTextEditor *editor, hKoSemanticStylesheet ss)
{
// Save the stylesheet property and cause a reflow.
kDebug(30015) << "apply stylesheet at site. format(), xmlid:" << d->m_xmlid << " sheet:" << ss->name();
setStylesheetWithoutReflow(ss);
reflowUsingCurrentStylesheet(editor);
}
void KoRdfSemanticItemViewSite::disassociateStylesheet()
{
kDebug(30015) << "stylesheet at site. xmlid:" << d->m_xmlid;
setProperty("stylesheet", "");
setProperty("stylesheet-type", "");
setProperty("stylesheet-uuid", "");
}
void KoRdfSemanticItemViewSite::setStylesheetWithoutReflow(hKoSemanticStylesheet ss)
{
// Save the stylesheet property
kDebug(30015) << "apply stylesheet at site. format(), xmlid:" << d->m_xmlid << " sheet:" << ss->name();
setProperty("stylesheet", ss->name());
setProperty("stylesheet-type", ss->type());
setProperty("stylesheet-uuid", ss->uuid());
}
void KoRdfSemanticItemViewSite::reflowUsingCurrentStylesheet(KoTextEditor *editor)
{
hKoSemanticStylesheet ss = stylesheet();
if (ss) {
ss->format(d->m_semItem, editor, d->m_xmlid);
}
}
void KoRdfSemanticItemViewSite::selectRange(KoCanvasResourceManager *provider, int startpos, int endpos)
{
kDebug(30015) << " startpos:" << startpos << " endpos:" << endpos;
if (endpos > startpos) {
provider->setResource(KoText::CurrentTextPosition, startpos);
provider->setResource(KoText::CurrentTextAnchor, endpos + 1);
provider->clearResource(KoText::SelectedTextPosition);
provider->clearResource(KoText::SelectedTextAnchor);
} else {
provider->setResource(KoText::CurrentTextPosition, startpos);
}
}
void KoRdfSemanticItemViewSite::select(KoCanvasBase *host)
{
Q_ASSERT(d->m_semItem);
Q_ASSERT(d->m_semItem->documentRdf());
Q_ASSERT(host);
KoTextEditor *editor = KoTextEditor::getTextEditorFromCanvas(host);
KoCanvasResourceManager *provider = host->resourceManager();
const KoDocumentRdf *rdf = d->m_semItem->documentRdf();
QPair<int, int> p = rdf->findExtent(d->m_xmlid);
int startpos = p.first;
int endpos = p.second + 1;
if (!endpos) {
kDebug(30015) << "No end point found for semantic item:" << d->m_semItem->name();
kDebug(30015) << "xmlid:" << d->m_xmlid;
return;
}
kDebug(30015) << "xmlid:" << d->m_xmlid;
kDebug(30015) << "start:" << startpos << " endpos:" << endpos;
selectRange(provider, startpos, endpos);
kDebug(30015) << "selected text:" << editor->selectedText();
}
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