kio Library: paste.cpp Source File (kio Library)

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# 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 }

This file is part of the documentation for kio Library Version 3.4.1.
Documentation copyright © 1996-2004 the KDE developers.
Generated on Sat Jun 11 20:24:06 2005 by doxygen 1.4.1 written by Dimitri van Heesch, © 1997-2003