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120 lines
3.3 KiB
120 lines
3.3 KiB
15 years ago
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/*
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This file is part of Akregator.
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Copyright (C) 2005 Frank Osterfeld <frank.osterfeld@kdemail.net>
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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As a special exception, permission is given to link this program
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with any edition of Qt, and distribute the resulting executable,
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without including the source code for Qt in the source distribution.
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*/
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#include "dragobjects.h"
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#include "feed.h"
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#include <qcstring.h>
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namespace Akregator {
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class Article;
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ArticleDrag::ArticleDrag(const QValueList<Article>& articles, QWidget* dragSource, const char* name)
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: KURLDrag(articleURLs(articles), dragSource, name), m_items(articlesToDragItems(articles))
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{}
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bool ArticleDrag::canDecode(const QMimeSource* e)
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{
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return e->provides("akregator/articles");
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}
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bool ArticleDrag::decode(const QMimeSource* e, QValueList<ArticleDragItem>& articles)
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{
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articles.clear();
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QByteArray array = e->encodedData("akregator/articles");
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QDataStream stream(array, IO_ReadOnly);
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while (!stream.atEnd())
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{
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ArticleDragItem i;
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stream >> i.feedURL;
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stream >> i.guid;
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articles.append(i);
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}
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return true;
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}
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const char* ArticleDrag::format(int i) const
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{
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if (i == 0)
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return "text/uri-list";
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else if (i == 1)
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return "akregator/articles";
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return 0;
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}
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QByteArray ArticleDrag::encodedData(const char* mime) const
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{
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QCString mimetype(mime);
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if (mimetype == "akregator/articles")
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{
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QByteArray ba;
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QDataStream stream(ba, IO_WriteOnly);
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QValueList<ArticleDragItem>::ConstIterator end = m_items.end();
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for (QValueList<ArticleDragItem>::ConstIterator it = m_items.begin(); it != end; ++it)
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{
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stream << (*it).feedURL;
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stream << (*it).guid;
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}
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return ba;
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}
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else
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{
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return KURLDrag::encodedData(mime);
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}
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}
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QValueList<ArticleDragItem> ArticleDrag::articlesToDragItems(const QValueList<Article>& articles)
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{
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QValueList<ArticleDragItem> items;
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QValueList<Article>::ConstIterator end(articles.end());
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for (QValueList<Article>::ConstIterator it = articles.begin(); it != end; ++it)
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{
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ArticleDragItem i;
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i.feedURL = (*it).feed() ? (*it).feed()->xmlUrl() : "";
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i.guid = (*it).guid();
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items.append(i);
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}
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return items;
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}
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KURL::List ArticleDrag::articleURLs(const QValueList<Article>& articles)
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{
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KURL::List urls;
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QValueList<Article>::ConstIterator end(articles.end());
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for (QValueList<Article>::ConstIterator it = articles.begin(); it != end; ++it)
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urls.append((*it).link());
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return urls;
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}
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} // namespace Akregator
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