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 <kinputdialog.h>
00036 #include <kmessagebox.h>
00037 #include <ktempfile.h>
00038 
00039 static KURL getNewFileName( const KURL &u, const QString& text )
00040 {
00041   bool ok;
00042   QString dialogText( text );
00043   if ( dialogText.isEmpty() )
00044     dialogText = i18n( "Filename for clipboard content:" );
00045   QString file = KInputDialog::getText( QString::null, dialogText, QString::null, &ok );
00046   if ( !ok )
00047      return KURL();
00048 
00049   KURL myurl(u);
00050   myurl.addPath( file );
00051 
00052   if (KIO::NetAccess::exists(myurl, false, 0))
00053   {
00054       kdDebug(7007) << "Paste will overwrite file.  Prompting..." << endl;
00055       KIO::RenameDlg_Result res = KIO::R_OVERWRITE;
00056 
00057       QString newPath;
00058       // Ask confirmation about resuming previous transfer
00059       res = Observer::self()->open_RenameDlg(
00060                           0L, i18n("File Already Exists"),
00061                           u.pathOrURL(),
00062                           myurl.pathOrURL(),
00063                           (KIO::RenameDlg_Mode) (KIO::M_OVERWRITE | KIO::M_SINGLE), newPath);
00064 
00065       if ( res == KIO::R_RENAME )
00066       {
00067           myurl = newPath;
00068       }
00069       else if ( res == KIO::R_CANCEL )
00070       {
00071           return KURL();
00072       }
00073   }
00074 
00075   return myurl;
00076 }
00077 
00078 KIO_EXPORT bool KIO::isClipboardEmpty()
00079 {
00080 #ifndef QT_NO_MIMECLIPBOARD
00081   QMimeSource *data = QApplication::clipboard()->data();
00082   if ( data->provides( "text/uri-list" ) && data->encodedData( "text/uri-list" ).size() > 0 )
00083     return false;
00084 #else
00085   // Happens with some versions of Qt Embedded... :/
00086   // Guess.
00087   QString data = QApplication::clipboard()->text();
00088   if(data.contains("://"))
00089       return false;
00090 #endif
00091   return true;
00092 }
00093 
00094 KIO_EXPORT KIO::Job *KIO::pasteClipboard( const KURL& dest_url, bool move )
00095 {
00096   if ( !dest_url.isValid() ) {
00097     KMessageBox::error( 0L, i18n( "Malformed URL\n%1" ).arg( dest_url.url() ) );
00098     return 0;
00099   }
00100 
00101 #ifndef QT_NO_MIMECLIPBOARD
00102   QMimeSource *data = QApplication::clipboard()->data();
00103 
00104   KURL::List urls;
00105   if ( KURLDrag::canDecode( data ) && KURLDrag::decode( data, urls ) ) {
00106     if ( urls.count() == 0 ) {
00107       KMessageBox::error( 0L, i18n("The clipboard is empty"));
00108       return 0;
00109     }
00110 
00111     KIO::Job *res = 0;
00112     if ( move )
00113       res = KIO::move( urls, dest_url );
00114     else
00115       res = KIO::copy( urls, dest_url );
00116 
00117     // If moving, erase the clipboard contents, the original files don't exist anymore
00118     if ( move )
00119       QApplication::clipboard()->clear();
00120     return res;
00121   }
00122 #else
00123   QStringList data = QStringList::split("\n", QApplication::clipboard()->text());
00124   KURL::List urls;
00125   KURLDrag::decode(data, urls);
00126 #endif
00127 
00128   QByteArray ba;
00129 
00130 #ifndef QT_NO_MIMECLIPBOARD
00131   QString text;
00132   if ( QTextDrag::canDecode( data ) && QTextDrag::decode( data, text ) )
00133   {
00134       QTextStream txtStream( ba, IO_WriteOnly );
00135       txtStream << text;
00136   }
00137   else
00138       ba = data->encodedData( data->format() );
00139 #else
00140   QTextStream txtStream( ba, IO_WriteOnly );
00141   for(QStringList::Iterator it=data.begin(); it!=data.end(); it++)
00142       txtStream << *it;
00143 #endif
00144 
00145   if ( ba.size() == 0 )
00146   {
00147     KMessageBox::sorry(0, i18n("The clipboard is empty"));
00148     return 0;
00149   }
00150 
00151   return pasteDataAsync(dest_url, ba);
00152 }
00153 
00154 
00155 KIO_EXPORT void KIO::pasteData( const KURL& u, const QByteArray& _data )
00156 {
00157     KURL new_url = getNewFileName( u, QString::null );
00158     // We could use KIO::put here, but that would require a class
00159     // for the slotData call. With NetAccess, we can do a synchronous call.
00160 
00161     if (new_url.isEmpty())
00162        return;
00163 
00164     KTempFile tempFile;
00165     tempFile.setAutoDelete( true );
00166     tempFile.dataStream()->writeRawBytes( _data.data(), _data.size() );
00167     tempFile.close();
00168 
00169     (void) KIO::NetAccess::upload( tempFile.name(), new_url, 0 );
00170 }
00171 
00172 KIO_EXPORT KIO::CopyJob* KIO::pasteDataAsync( const KURL& u, const QByteArray& _data )
00173 {
00174     return pasteDataAsync( u, _data, QString::null );
00175 }
00176 
00177 KIO_EXPORT KIO::CopyJob* KIO::pasteDataAsync( const KURL& u, const QByteArray& _data, const QString& text )
00178 {
00179     KURL new_url = getNewFileName( u, text );
00180 
00181     if (new_url.isEmpty())
00182        return 0;
00183 
00184      KTempFile tempFile;
00185      tempFile.dataStream()->writeRawBytes( _data.data(), _data.size() );
00186      tempFile.close();
00187 
00188      KURL orig_url;
00189      orig_url.setPath(tempFile.name());
00190 
00191      return KIO::move( orig_url, new_url );
00192 }
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This file is part of the documentation for kio Library Version 3.4.0.
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