kio Library API Documentation

paste.cpp

00001 /* This file is part of the KDE libraries
00002    Copyright (C) 2000 David Faure <faure@kde.org>
00003 
00004    This library is free software; you can redistribute it and/or
00005    modify it under the terms of the GNU Library General Public
00006    License version 2 as published by the Free Software Foundation.
00007 
00008    This library is distributed in the hope that it will be useful,
00009    but WITHOUT ANY WARRANTY; without even the implied warranty of
00010    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
00011    Library General Public License for more details.
00012 
00013    You should have received a copy of the GNU Library General Public License
00014    along with this library; see the file COPYING.LIB.  If not, write to
00015    the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
00016    Boston, MA 02111-1307, USA.
00017 */
00018 
00019 #include "kio/job.h"
00020 #include "kio/paste.h"
00021 #include "kio/global.h"
00022 #include "kio/netaccess.h"
00023 #include "kio/observer.h"
00024 #include "kio/renamedlg.h"
00025 #include "kio/kprotocolmanager.h"
00026 
00027 #include <qapplication.h>
00028 #include <qclipboard.h>
00029 #include <qdragobject.h>
00030 #include <qtextstream.h>
00031 #include <kurl.h>
00032 #include <kurldrag.h>
00033 #include <kdebug.h>
00034 #include <klocale.h>
00035 #include <klineeditdlg.h>
00036 #include <kmessagebox.h>
00037 #include <ktempfile.h>
00038 
00039 bool KIO::isClipboardEmpty()
00040 {
00041 #ifndef QT_NO_MIMECLIPBOARD
00042   QMimeSource *data = QApplication::clipboard()->data();
00043   if ( data->provides( "text/uri-list" ) && data->encodedData( "text/uri-list" ).size() > 0 )
00044     return false;
00045 #else
00046   // Happens with some versions of Qt Embedded... :/
00047   // Guess.
00048   QString data = QApplication::clipboard()->text();
00049   if(data.contains("://"))
00050           return false;
00051 #endif
00052   return true;
00053 }
00054 
00055 KIO::Job *KIO::pasteClipboard( const KURL& dest_url, bool move )
00056 {
00057   if ( !dest_url.isValid() ) {
00058     KMessageBox::error( 0L, i18n( "Malformed URL\n%1" ).arg( dest_url.url() ) );
00059     return 0;
00060   }
00061 
00062 #ifndef QT_NO_MIMECLIPBOARD
00063   QMimeSource *data = QApplication::clipboard()->data();
00064 
00065   KURL::List urls;
00066   if ( QUriDrag::canDecode( data ) && KURLDrag::decode( data, urls ) ) {
00067     if ( urls.count() == 0 ) {
00068       KMessageBox::error( 0L, i18n("The clipboard is empty"));
00069       return 0;
00070     }
00071 
00072     KIO::Job *res = 0;
00073     if ( move )
00074       res = KIO::move( urls, dest_url );
00075     else
00076       res = KIO::copy( urls, dest_url );
00077 
00078     // If moving, erase the clipboard contents, the original files don't exist anymore
00079     if ( move )
00080       QApplication::clipboard()->clear();
00081     return res;
00082   }
00083 #else
00084   QStringList data = QStringList::split("\n", QApplication::clipboard()->text());
00085   KURL::List urls;
00086   KURLDrag::decode(data, urls);
00087 #endif
00088 
00089   QByteArray ba;
00090 
00091 #ifndef QT_NO_MIMECLIPBOARD
00092   QString text;
00093   if ( QTextDrag::canDecode( data ) && QTextDrag::decode( data, text ) )
00094   {
00095       QTextStream txtStream( ba, IO_WriteOnly );
00096       txtStream << text;
00097   }
00098   else
00099       ba = data->encodedData( data->format() );
00100 #else
00101   QTextStream txtStream( ba, IO_WriteOnly );
00102   for(QStringList::Iterator it=data.begin(); it!=data.end(); it++)
00103       txtStream << *it;
00104 #endif
00105 
00106   if ( ba.size() == 0 )
00107   {
00108     KMessageBox::sorry(0, i18n("The clipboard is empty"));
00109     return 0;
00110   }
00111 
00112   pasteData( dest_url, ba );
00113   return 0;
00114 }
00115 
00116 void KIO::pasteData( const KURL& u, const QByteArray& _data )
00117 {
00118   KLineEditDlg l( i18n("Filename for clipboard content:"), "", 0L );
00119   int x = l.exec();
00120   if ( x ) {
00121     QString url = l.text();
00122     if ( url.isEmpty() ) {
00123       KMessageBox::error( 0L, i18n("You did not enter a filename"));
00124       return;
00125     }
00126 
00127     KURL myurl(u);
00128     myurl.addPath( l.text() );
00129 
00130     if (KIO::NetAccess::exists(myurl, false))
00131     {
00132         kdDebug(7007) << "Paste will overwrite file.  Prompting..." << endl;
00133         RenameDlg_Result res = R_OVERWRITE;
00134 
00135         QString newPath;
00136         // Ask confirmation about resuming previous transfer
00137         res = Observer::self()->open_RenameDlg(
00138                           0L, i18n("File Already Exists"),
00139                           u.prettyURL(0, KURL::StripFileProtocol),
00140                           myurl.prettyURL(0, KURL::StripFileProtocol),
00141                           (RenameDlg_Mode) (M_OVERWRITE | M_SINGLE), newPath);
00142 
00143         if ( res == R_RENAME )
00144         {
00145             myurl = newPath;
00146         }
00147         else if ( res == R_CANCEL )
00148         {
00149             return;
00150         }
00151     }
00152 
00153     // We could use KIO::put here, but that would require a class
00154     // for the slotData call. With NetAcess, we can do a synchronous call.
00155 
00156     KTempFile tempFile;
00157     tempFile.setAutoDelete( true );
00158     tempFile.dataStream()->writeRawBytes( _data.data(), _data.size() );
00159     tempFile.close();
00160 
00161     (void) KIO::NetAccess::upload( tempFile.name(), myurl );
00162   }
00163 }
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This file is part of the documentation for kdelibs Version 3.1.5.
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