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<td align="right" valign="center"><img src="logo32.png" align="right" width="64" height="32" border="0"></td></tr></table><h1 align=center>An FTP client</h1>
<p>
<p> This example implements a FTP client. It uses <a href="qurloperator.html">QUrlOperator</a> (which in
turn uses <a href="qftp.html">QFtp</a>) to perform its FTP commands.
<p> <hr>
<p> The API of the FtpMainWindow class (ftpmainwindow.h):
<p> <pre>/****************************************************************************
** $Id: qt/ftpmainwindow.h 3.0.2 edited Oct 12 12:18 $
**
** Copyright (C) 1992-2000 Trolltech AS. All rights reserved.
**
** This file is part of an example program for Qt. This example
** program may be used, distributed and modified without limitation.
**
*****************************************************************************/
#ifndef FTPMAINWINDOW_H
#define FTPMAINWINDOW_H
#include <<a href="qmainwindow-h.html">qmainwindow.h</a>>
#include <<a href="qurloperator-h.html">qurloperator.h</a>>
class FtpView;
class QSplitter;
class QVBox;
class QSpinBox;
class QComboBox;
class QLineEdit;
class QNetworkOperation;
class QLabel;
class QProgressBar;
class FtpMainWindow : public <a href="qmainwindow.html">QMainWindow</a>
{
<a href="metaobjects.html#Q_OBJECT">Q_OBJECT</a>
public:
FtpMainWindow();
<a href="qsplitter.html">QSplitter</a> *mainSplitter() const {
return splitter;
}
private:
void setupLeftSide();
void setupRightSide();
void setupCenterCommandBar();
void setup();
private slots:
void slotLocalDirChanged( const <a href="qstring.html">QString</a> &path );
void slotLocalDirChanged( const <a href="qurlinfo.html">QUrlInfo</a> &info );
void slotRemoteDirChanged( const <a href="qstring.html">QString</a> &path );
void slotRemoteDirChanged( const <a href="qurlinfo.html">QUrlInfo</a> &info );
void slotConnect();
void slotUpload();
void slotDownload();
void slotLocalStart( <a href="qnetworkoperation.html">QNetworkOperation</a> * );
void slotLocalFinished( <a href="qnetworkoperation.html">QNetworkOperation</a> * );
void slotRemoteStart( <a href="qnetworkoperation.html">QNetworkOperation</a> * );
void slotRemoteFinished( <a href="qnetworkoperation.html">QNetworkOperation</a> * );
void slotLocalDataTransferProgress( int, int, QNetworkOperation * );
void slotRemoteDataTransferProgress( int, int, QNetworkOperation * );
void slotLocalMkDir();
void slotLocalRemove();
void slotRemoteMkDir();
void slotRemoteRemove();
void slotConnectionStateChanged( int, const <a href="qstring.html">QString</a> &msg );
private:
<a href="qsplitter.html">QSplitter</a> *splitter;
<a href="qvbox.html">QVBox</a> *mainWidget;
FtpView *leftView, *rightView;
<a href="qcombobox.html">QComboBox</a> *localCombo, *remoteHostCombo, *remotePathCombo, *userCombo;
<a href="qlineedit.html">QLineEdit</a> *passLined;
<a href="qspinbox.html">QSpinBox</a> *portSpin;
<a href="qurloperator.html">QUrlOperator</a> localOperator, remoteOperator, oldLocal, oldRemote;
<a href="qlabel.html">QLabel</a> *progressLabel1, *progressLabel2;
<a href="qprogressbar.html">QProgressBar</a> *progressBar1, *progressBar2;
};
#endif
</pre>
<p> <hr>
<p> The Implementation of the FtpMainWindow class (ftpmainwindow.cpp):
<p> <pre>/****************************************************************************
** $Id: qt/ftpmainwindow.cpp 3.0.2 edited Oct 12 12:18 $
**
** Copyright (C) 1992-2000 Trolltech AS. All rights reserved.
**
** This file is part of an example program for Qt. This example
** program may be used, distributed and modified without limitation.
**
*****************************************************************************/
#include "ftpmainwindow.h"
#include "ftpview.h"
#include <<a href="qvbox-h.html">qvbox.h</a>>
#include <<a href="qhbox-h.html">qhbox.h</a>>
#include <<a href="qsplitter-h.html">qsplitter.h</a>>
#include <<a href="qcombobox-h.html">qcombobox.h</a>>
#include <<a href="qlabel-h.html">qlabel.h</a>>
#include <<a href="qspinbox-h.html">qspinbox.h</a>>
#include <<a href="qlineedit-h.html">qlineedit.h</a>>
#include <<a href="qpushbutton-h.html">qpushbutton.h</a>>
#include <<a href="qmessagebox-h.html">qmessagebox.h</a>>
#include <<a href="qprogressbar-h.html">qprogressbar.h</a>>
#include <<a href="qdir-h.html">qdir.h</a>>
#include <<a href="qinputdialog-h.html">qinputdialog.h</a>>
#include <<a href="qapplication-h.html">qapplication.h</a>>
#include <<a href="qstatusbar-h.html">qstatusbar.h</a>>
<a name="f310"></a>FtpMainWindow::FtpMainWindow()
: <a href="qmainwindow.html">QMainWindow</a>(),
localOperator( "/" )
{
setup();
// connect to the signals of the local QUrlOperator - this will be used to
// work on the local file system (listing dirs, etc.) and to copy files
// TO the local filesystem (downloading)
<a href="qobject.html#connect">connect</a>( &localOperator, SIGNAL( newChildren( const <a href="qvaluelist.html">QValueList</a><QUrlInfo> &, QNetworkOperation * ) ),
leftView, SLOT( slotInsertEntries( const <a href="qvaluelist.html">QValueList</a><QUrlInfo> & ) ) );
<a href="qobject.html#connect">connect</a>( &localOperator, SIGNAL( start( <a href="qnetworkoperation.html">QNetworkOperation</a> * ) ),
this, SLOT( slotLocalStart( <a href="qnetworkoperation.html">QNetworkOperation</a> *) ) );
<a href="qobject.html#connect">connect</a>( &localOperator, SIGNAL( finished( <a href="qnetworkoperation.html">QNetworkOperation</a> * ) ),
this, SLOT( slotLocalFinished( <a href="qnetworkoperation.html">QNetworkOperation</a> *) ) );
<a href="qobject.html#connect">connect</a>( leftView, SIGNAL( itemSelected( const <a href="qurlinfo.html">QUrlInfo</a> & ) ),
this, SLOT( slotLocalDirChanged( const <a href="qurlinfo.html">QUrlInfo</a> & ) ) );
<a href="qobject.html#connect">connect</a>( &localOperator, SIGNAL( dataTransferProgress( int, int, QNetworkOperation * ) ),
this, SLOT( slotLocalDataTransferProgress( int, int, QNetworkOperation * ) ) );
// connect to the signals of the remote QUrlOperator - this will be used to
// work on the remote file system (on the FTP Server) and to copy files
// TO the ftp server (uploading)
<a href="qobject.html#connect">connect</a>( &remoteOperator, SIGNAL( newChildren( const <a href="qvaluelist.html">QValueList</a><QUrlInfo> &, QNetworkOperation * ) ),
rightView, SLOT( slotInsertEntries( const <a href="qvaluelist.html">QValueList</a><QUrlInfo> & ) ) );
<a href="qobject.html#connect">connect</a>( &remoteOperator, SIGNAL( start( <a href="qnetworkoperation.html">QNetworkOperation</a> * ) ),
this, SLOT( slotRemoteStart( <a href="qnetworkoperation.html">QNetworkOperation</a> *) ) );
<a href="qobject.html#connect">connect</a>( &remoteOperator, SIGNAL( finished( <a href="qnetworkoperation.html">QNetworkOperation</a> * ) ),
this, SLOT( slotRemoteFinished( <a href="qnetworkoperation.html">QNetworkOperation</a> *) ) );
<a href="qobject.html#connect">connect</a>( rightView, SIGNAL( itemSelected( const <a href="qurlinfo.html">QUrlInfo</a> & ) ),
this, SLOT( slotRemoteDirChanged( const <a href="qurlinfo.html">QUrlInfo</a> & ) ) );
<a href="qobject.html#connect">connect</a>( &remoteOperator, SIGNAL( dataTransferProgress( int, int, QNetworkOperation * ) ),
this, SLOT( slotRemoteDataTransferProgress( int, int, QNetworkOperation * ) ) );
<a href="qobject.html#connect">connect</a>( &remoteOperator, SIGNAL( connectionStateChanged( int, const <a href="qstring.html">QString</a> & ) ),
this, SLOT( slotConnectionStateChanged( int, const <a href="qstring.html">QString</a> & ) ) );
// read the local filesystem at the beginning once
localOperator.listChildren();
// create status bar
(void)<a href="qmainwindow.html#statusBar">statusBar</a>();
}
void <a name="f311"></a>FtpMainWindow::setupLeftSide()
{
// Setup the left side of the GUI, this is the listview
// of the local filesystem
<a href="qvbox.html">QVBox</a> *layout = new <a href="qvbox.html">QVBox</a>( splitter );
<a name="x1009"></a> layout-><a href="qhbox.html#setSpacing">setSpacing</a>( 5 );
<a name="x1008"></a> layout-><a href="qframe.html#setMargin">setMargin</a>( 5 );
<a href="qhbox.html">QHBox</a> *h = new <a href="qhbox.html">QHBox</a>( layout );
h-><a href="qhbox.html#setSpacing">setSpacing</a>( 5 );
<a href="qlabel.html">QLabel</a> *l = new <a href="qlabel.html">QLabel</a>( <a href="qobject.html#tr">tr</a>( "Local Path:" ), h );
<a name="x1038"></a><a name="x1036"></a> l-><a href="qwidget.html#setFixedWidth">setFixedWidth</a>( l-><a href="qwidget.html#sizeHint">sizeHint</a>().width() );
localCombo = new <a href="qcombobox.html">QComboBox</a>( TRUE, h );
<a name="x1005"></a> localCombo-><a href="qcombobox.html#insertItem">insertItem</a>( "/" );
<a name="x1003"></a> <a href="qobject.html#connect">connect</a>( localCombo, SIGNAL( <a href="qcombobox.html#activated">activated</a>( const <a href="qstring.html">QString</a> & ) ),
this, SLOT( slotLocalDirChanged( const <a href="qstring.html">QString</a> & ) ) );
leftView = new FtpView( layout );
<a href="qhbox.html">QHBox</a> *bottom = new <a href="qhbox.html">QHBox</a>( layout );
bottom-><a href="qhbox.html#setSpacing">setSpacing</a>( 5 );
<a href="qpushbutton.html">QPushButton</a> *bMkDir = new <a href="qpushbutton.html">QPushButton</a>( <a href="qobject.html#tr">tr</a>( "New Directory" ), bottom );
<a href="qpushbutton.html">QPushButton</a> *bRemove = new <a href="qpushbutton.html">QPushButton</a>( <a href="qobject.html#tr">tr</a>( "Remove" ), bottom );
<a name="x1002"></a> <a href="qobject.html#connect">connect</a>( bMkDir, SIGNAL( <a href="qbutton.html#clicked">clicked</a>() ),
this, SLOT( slotLocalMkDir() ) );
<a href="qobject.html#connect">connect</a>( bRemove, SIGNAL( <a href="qbutton.html#clicked">clicked</a>() ),
this, SLOT( slotLocalRemove() ) );
<a name="x1028"></a> splitter-><a href="qsplitter.html#setResizeMode">setResizeMode</a>( layout, QSplitter::Stretch );
}
void <a name="f312"></a>FtpMainWindow::setupRightSide()
{
// Setup the right side of the GUI, this is the listview
// of the remote filesystem (FTP), needs also lineedits/combos
// for username, password, etc.
<a href="qvbox.html">QVBox</a> *layout = new <a href="qvbox.html">QVBox</a>( splitter );
layout-><a href="qhbox.html#setSpacing">setSpacing</a>( 5 );
layout-><a href="qframe.html#setMargin">setMargin</a>( 5 );
<a href="qhbox.html">QHBox</a> *h = new <a href="qhbox.html">QHBox</a>( layout );
h-><a href="qhbox.html#setSpacing">setSpacing</a>( 5 );
<a href="qlabel.html">QLabel</a> *l = new <a href="qlabel.html">QLabel</a>( <a href="qobject.html#tr">tr</a>( "Remote Host:" ), h );
l-><a href="qwidget.html#setFixedWidth">setFixedWidth</a>( l-><a href="qwidget.html#sizeHint">sizeHint</a>().width() );
remoteHostCombo = new <a href="qcombobox.html">QComboBox</a>( TRUE, h );
l = new <a href="qlabel.html">QLabel</a>( <a href="qobject.html#tr">tr</a>( "Port:" ), h );
l-><a href="qwidget.html#setFixedWidth">setFixedWidth</a>( l-><a href="qwidget.html#sizeHint">sizeHint</a>().width() );
portSpin = new <a href="qspinbox.html">QSpinBox</a>( 0, 32767, 1, h );
<a name="x1026"></a> portSpin-><a href="qspinbox.html#setValue">setValue</a>( 21 );
portSpin-><a href="qwidget.html#setFixedWidth">setFixedWidth</a>( portSpin-><a href="qwidget.html#sizeHint">sizeHint</a>().width() );
<a name="x1027"></a> remoteOperator.setPort( portSpin-><a href="qspinbox.html#value">value</a>() );
h = new <a href="qhbox.html">QHBox</a>( layout );
h-><a href="qhbox.html#setSpacing">setSpacing</a>( 5 );
l = new <a href="qlabel.html">QLabel</a>( <a href="qobject.html#tr">tr</a>( "Remote Path:" ), h );
l-><a href="qwidget.html#setFixedWidth">setFixedWidth</a>( l-><a href="qwidget.html#sizeHint">sizeHint</a>().width() );
remotePathCombo = new <a href="qcombobox.html">QComboBox</a>( TRUE, h );
h = new <a href="qhbox.html">QHBox</a>( layout );
h-><a href="qhbox.html#setSpacing">setSpacing</a>( 5 );
l = new <a href="qlabel.html">QLabel</a>( <a href="qobject.html#tr">tr</a>( "Username:" ), h );
l-><a href="qwidget.html#setFixedWidth">setFixedWidth</a>( l-><a href="qwidget.html#sizeHint">sizeHint</a>().width() );
userCombo = new <a href="qcombobox.html">QComboBox</a>( TRUE, h );
l = new <a href="qlabel.html">QLabel</a>( <a href="qobject.html#tr">tr</a>( "Password:" ), h );
l-><a href="qwidget.html#setFixedWidth">setFixedWidth</a>( l-><a href="qwidget.html#sizeHint">sizeHint</a>().width() );
passLined = new <a href="qlineedit.html">QLineEdit</a>( h );
<a name="x1012"></a> passLined-><a href="qlineedit.html#setEchoMode">setEchoMode</a>( QLineEdit::Password );
rightView = new FtpView( layout );
<a href="qhbox.html">QHBox</a> *bottom = new <a href="qhbox.html">QHBox</a>( layout );
bottom-><a href="qhbox.html#setSpacing">setSpacing</a>( 5 );
<a href="qpushbutton.html">QPushButton</a> *bMkDir = new <a href="qpushbutton.html">QPushButton</a>( <a href="qobject.html#tr">tr</a>( "New Directory" ), bottom );
<a href="qpushbutton.html">QPushButton</a> *bRemove = new <a href="qpushbutton.html">QPushButton</a>( <a href="qobject.html#tr">tr</a>( "Remove" ), bottom );
<a href="qobject.html#connect">connect</a>( bMkDir, SIGNAL( <a href="qbutton.html#clicked">clicked</a>() ),
this, SLOT( slotRemoteMkDir() ) );
<a href="qobject.html#connect">connect</a>( bRemove, SIGNAL( <a href="qbutton.html#clicked">clicked</a>() ),
this, SLOT( slotRemoteRemove() ) );
splitter-><a href="qsplitter.html#setResizeMode">setResizeMode</a>( layout, QSplitter::Stretch );
<a href="qobject.html#connect">connect</a>( remotePathCombo, SIGNAL( <a href="qcombobox.html#activated">activated</a>( const <a href="qstring.html">QString</a> & ) ),
this, SLOT( slotRemoteDirChanged( const <a href="qstring.html">QString</a> & ) ) );
}
void <a name="f313"></a>FtpMainWindow::setupCenterCommandBar()
{
// Setup the command bar in the middle between the two views
<a href="qvbox.html">QVBox</a> *w = new <a href="qvbox.html">QVBox</a>( splitter );
splitter-><a href="qsplitter.html#setResizeMode">setResizeMode</a>( w, QSplitter::FollowSizeHint );
w-><a href="qhbox.html#setSpacing">setSpacing</a>( 5 );
w-><a href="qframe.html#setMargin">setMargin</a>( 5 );
<a href="qpushbutton.html">QPushButton</a> *bConnect = new <a href="qpushbutton.html">QPushButton</a>( <a href="qobject.html#tr">tr</a>( "&Connect" ), w );
(void)new <a href="qwidget.html">QWidget</a>( w );
<a href="qpushbutton.html">QPushButton</a> *bUpload = new <a href="qpushbutton.html">QPushButton</a>( <a href="qobject.html#tr">tr</a>( "== &Upload ==>" ), w );
<a href="qpushbutton.html">QPushButton</a> *bDownload = new <a href="qpushbutton.html">QPushButton</a>( <a href="qobject.html#tr">tr</a>( "<== &Download ==" ), w );
(void)new <a href="qwidget.html">QWidget</a>( w );
<a href="qobject.html#connect">connect</a>( bConnect, SIGNAL( <a href="qbutton.html#clicked">clicked</a>() ),
this, SLOT( slotConnect() ) );
<a href="qobject.html#connect">connect</a>( bUpload, SIGNAL( <a href="qbutton.html#clicked">clicked</a>() ),
this, SLOT( slotUpload() ) );
<a href="qobject.html#connect">connect</a>( bDownload, SIGNAL( <a href="qbutton.html#clicked">clicked</a>() ),
this, SLOT( slotDownload() ) );
}
void <a name="f314"></a>FtpMainWindow::setup()
{
// Setup the GUI
mainWidget = new <a href="qvbox.html">QVBox</a>( this );
splitter = new <a href="qsplitter.html">QSplitter</a>( mainWidget );
setupLeftSide();
setupCenterCommandBar();
setupRightSide();
progressLabel1 = new <a href="qlabel.html">QLabel</a>( <a href="qobject.html#tr">tr</a>( "No Operation in Progress" ), mainWidget );
progressBar1 = new <a href="qprogressbar.html">QProgressBar</a>( mainWidget );
progressLabel2 = new <a href="qlabel.html">QLabel</a>( <a href="qobject.html#tr">tr</a>( "No Operation in Progress" ), mainWidget );
progressBar2 = new <a href="qprogressbar.html">QProgressBar</a>( mainWidget );
<a name="x1034"></a> progressLabel1-><a href="qwidget.html#hide">hide</a>();
progressBar1-><a href="qwidget.html#hide">hide</a>();
progressLabel2-><a href="qwidget.html#hide">hide</a>();
progressBar2-><a href="qwidget.html#hide">hide</a>();
<a href="qmainwindow.html#setCentralWidget">setCentralWidget</a>( mainWidget );
}
void <a name="f315"></a>FtpMainWindow::slotLocalDirChanged( const <a href="qstring.html">QString</a> &path )
{
// The user changed the path on the left side
oldLocal = localOperator;
localOperator.setPath( path );
localOperator.listChildren();
}
void FtpMainWindow::slotLocalDirChanged( const <a href="qurlinfo.html">QUrlInfo</a> &info )
{
// The user changed the path on the left side
oldLocal = localOperator;
<a name="x1030"></a> localOperator.addPath( info.<a href="qurlinfo.html#name">name</a>() );
localOperator.listChildren();
localCombo-><a href="qcombobox.html#insertItem">insertItem</a>( localOperator.path(), 0 );
<a name="x1006"></a> localCombo-><a href="qcombobox.html#setCurrentItem">setCurrentItem</a>( 0 );
}
void <a name="f316"></a>FtpMainWindow::slotRemoteDirChanged( const <a href="qstring.html">QString</a> &path )
{
// The user changed the path on the right side
if ( !remoteOperator.isValid() )
return;
oldRemote = remoteOperator;
remoteOperator.setPath( path );
remoteOperator.listChildren();
}
void FtpMainWindow::slotRemoteDirChanged( const <a href="qurlinfo.html">QUrlInfo</a> &info )
{
// The user changed the path on the right side
oldRemote = remoteOperator;
remoteOperator.addPath( info.<a href="qurlinfo.html#name">name</a>() );
remoteOperator.listChildren();
remotePathCombo-><a href="qcombobox.html#insertItem">insertItem</a>( remoteOperator.path(), 0 );
remotePathCombo-><a href="qcombobox.html#setCurrentItem">setCurrentItem</a>( 0 );
}
void <a name="f317"></a>FtpMainWindow::slotConnect()
{
// The user pressed the connect button, so let's connect to the
// FTP server
// First we need to set stuff (host, path, etc.) which the user
// entered on the right side to the remote QUrlOperator
// protocol + hostname
<a name="x1004"></a> <a href="qstring.html">QString</a> s = "ftp://" + remoteHostCombo-><a href="qcombobox.html#currentText">currentText</a>();
oldRemote = remoteOperator;
remoteOperator = s;
// path on the server
if ( !remotePathCombo-><a href="qcombobox.html#currentText">currentText</a>().isEmpty() )
remoteOperator.setPath( remotePathCombo-><a href="qcombobox.html#currentText">currentText</a>() );
else
remoteOperator.setPath( "/" );
// if nothing or "ftp" or "anonymous" has been entered into the username combo,
// let's connect anonymous, else private with password
if ( !userCombo-><a href="qcombobox.html#currentText">currentText</a>().isEmpty() &&
userCombo-><a href="qcombobox.html#currentText">currentText</a>().lower() != "anonymous" &&
userCombo-><a href="qcombobox.html#currentText">currentText</a>().lower() != "ftp" ) {
remoteOperator.setUser( userCombo-><a href="qcombobox.html#currentText">currentText</a>() );
<a name="x1014"></a> remoteOperator.setPassword( passLined-><a href="qlineedit.html#text">text</a>() );
}
// set the port
remoteOperator.setPort( portSpin-><a href="qspinbox.html#value">value</a>() );
// finally read the directory on the ftp server
remoteOperator.listChildren();
}
void <a name="f318"></a>FtpMainWindow::slotUpload()
{
// the user pressed the upload button
// if files have been selected on the left side (local filesystem)
<a href="qvaluelist.html">QValueList</a><QUrlInfo> files = leftView->selectedItems();
<a name="x1033"></a> if ( files.<a href="qvaluelist.html#isEmpty">isEmpty</a>() )
return;
// create a list of the URLs which should be copied
<a href="qstringlist.html">QStringList</a> lst;
QValueList<QUrlInfo>::Iterator it = files.<a href="qvaluelist.html#begin">begin</a>();
for ( ; it != files.<a href="qvaluelist.html#end">end</a>(); ++it )
lst << QUrl( localOperator, ( *it ).name() );
// copy the list of selected files to the directory in which the
// remoteOperator currently is (upload)
remoteOperator.copy( lst, remoteOperator, FALSE );
}
void <a name="f319"></a>FtpMainWindow::slotDownload()
{
// if the user pressed the download button
// if files have been selected on the right side (remote filesystem)
<a href="qvaluelist.html">QValueList</a><QUrlInfo> files = rightView->selectedItems();
if ( files.<a href="qvaluelist.html#isEmpty">isEmpty</a>() )
return;
// create a list of the URLs which should be downloaded
<a href="qstringlist.html">QStringList</a> lst;
QValueList<QUrlInfo>::Iterator it = files.<a href="qvaluelist.html#begin">begin</a>();
for ( ; it != files.<a href="qvaluelist.html#end">end</a>(); ++it )
lst << QUrl( remoteOperator, ( *it ).name() );
// copy the list of selected files to the directory in which the
// localOperator currently is (download)
localOperator.copy( lst, localOperator, FALSE );
}
void <a name="f320"></a>FtpMainWindow::slotLocalStart( <a href="qnetworkoperation.html">QNetworkOperation</a> *op )
{
// this slot is always called if the local QUrlOperator starts
// listing a directory or dowloading a file
if ( !op )
return;
<a name="x1019"></a> if ( op-><a href="qnetworkoperation.html#operation">operation</a>() == QNetworkProtocol::OpListChildren ) {
// start listing a dir? clear the left view!
<a name="x1015"></a> leftView-><a href="qlistview.html#clear">clear</a>();
} else if ( op-><a href="qnetworkoperation.html#operation">operation</a>() == QNetworkProtocol::OpGet ) {
// start downloading a file? reset the progress bar!
<a name="x1024"></a> progressBar1-><a href="qprogressbar.html#setTotalSteps">setTotalSteps</a>( 0 );
<a name="x1022"></a> progressBar1-><a href="qprogressbar.html#reset">reset</a>();
}
}
void <a name="f321"></a>FtpMainWindow::slotLocalFinished( <a href="qnetworkoperation.html">QNetworkOperation</a> *op )
{
// this slot is always called if the local QUrlOperator finished
// an operation
if ( !op )
return;
<a name="x1021"></a> if ( op && op-><a href="qnetworkoperation.html#state">state</a>() == QNetworkProtocol::StFailed ) {
// an error happend, let the user know that
<a name="x1020"></a><a name="x1016"></a> QMessageBox::<a href="qmessagebox.html#critical">critical</a>( this, tr( "ERROR" ), op-><a href="qnetworkoperation.html#protocolDetail">protocolDetail</a>() );
// do something depending in the error code
<a name="x1018"></a> int ecode = op-><a href="qnetworkoperation.html#errorCode">errorCode</a>();
if ( ecode == QNetworkProtocol::ErrListChildren || ecode == QNetworkProtocol::ErrParse ||
ecode == QNetworkProtocol::ErrUnknownProtocol || ecode == QNetworkProtocol::ErrLoginIncorrect ||
ecode == QNetworkProtocol::ErrValid || ecode == QNetworkProtocol::ErrHostNotFound ||
ecode == QNetworkProtocol::ErrFileNotExisting ) {
localOperator = oldLocal;
<a name="x1007"></a> localCombo-><a href="qcombobox.html#setEditText">setEditText</a>( localOperator.path() );
localOperator.listChildren();
}
} else if ( op-><a href="qnetworkoperation.html#operation">operation</a>() == QNetworkProtocol::OpPut ) {
// finished saving the downloaded file? reread the dir and hide the progress bar
localOperator.listChildren();
progressLabel1-><a href="qwidget.html#hide">hide</a>();
progressBar1-><a href="qwidget.html#hide">hide</a>();
} else if ( op-><a href="qnetworkoperation.html#operation">operation</a>() == QNetworkProtocol::OpGet ) {
// finished reading a file from the ftp server? reset the progress bar
progressBar1-><a href="qprogressbar.html#setTotalSteps">setTotalSteps</a>( 0 );
progressBar1-><a href="qprogressbar.html#reset">reset</a>();
}
}
void <a name="f322"></a>FtpMainWindow::slotRemoteStart( <a href="qnetworkoperation.html">QNetworkOperation</a> *op )
{
// this slot is always called if the remote QUrlOperator starts
// listing a directory or uploading a file
if ( !op )
return;
if ( op-><a href="qnetworkoperation.html#operation">operation</a>() == QNetworkProtocol::OpListChildren ) {
// start listing a dir? clear the right view!
rightView-><a href="qlistview.html#clear">clear</a>();
} else if ( op-><a href="qnetworkoperation.html#operation">operation</a>() == QNetworkProtocol::OpGet ) {
// start downloading a file? reset the progress bar!
progressBar2-><a href="qprogressbar.html#setTotalSteps">setTotalSteps</a>( 0 );
progressBar2-><a href="qprogressbar.html#reset">reset</a>();
}
}
void <a name="f323"></a>FtpMainWindow::slotRemoteFinished( <a href="qnetworkoperation.html">QNetworkOperation</a> *op )
{
// this slot is always called if the remote QUrlOperator finished
// an operation
if ( !op )
return;
if ( op && op-><a href="qnetworkoperation.html#state">state</a>() == QNetworkProtocol::StFailed ) {
// an error happend, let the user know that
QMessageBox::<a href="qmessagebox.html#critical">critical</a>( this, tr( "ERROR" ), op-><a href="qnetworkoperation.html#protocolDetail">protocolDetail</a>() );
// do something depending in the error code
int ecode = op-><a href="qnetworkoperation.html#errorCode">errorCode</a>();
if ( ecode == QNetworkProtocol::ErrListChildren || ecode == QNetworkProtocol::ErrParse ||
ecode == QNetworkProtocol::ErrUnknownProtocol || ecode == QNetworkProtocol::ErrLoginIncorrect ||
ecode == QNetworkProtocol::ErrValid || ecode == QNetworkProtocol::ErrHostNotFound ||
ecode == QNetworkProtocol::ErrFileNotExisting ) {
remoteOperator = oldRemote;
remoteHostCombo-><a href="qcombobox.html#setEditText">setEditText</a>( remoteOperator.host() );
remotePathCombo-><a href="qcombobox.html#setEditText">setEditText</a>( remoteOperator.path() );
<a name="x1013"></a> passLined-><a href="qlineedit.html#setText">setText</a>( remoteOperator.password() );
userCombo-><a href="qcombobox.html#setEditText">setEditText</a>( remoteOperator.user() );
portSpin-><a href="qspinbox.html#setValue">setValue</a>( remoteOperator.port() );
remoteOperator.listChildren();
}
} else if ( op-><a href="qnetworkoperation.html#operation">operation</a>() == QNetworkProtocol::OpListChildren ) {
// finished reading a dir? set the correct path to the pth combo of the right view
remotePathCombo-><a href="qcombobox.html#setEditText">setEditText</a>( remoteOperator.path() );
} else if ( op-><a href="qnetworkoperation.html#operation">operation</a>() == QNetworkProtocol::OpPut ) {
// finished saving the uploaded file? reread the dir and hide the progress bar
remoteOperator.listChildren();
progressLabel2-><a href="qwidget.html#hide">hide</a>();
progressBar2-><a href="qwidget.html#hide">hide</a>();
} else if ( op-><a href="qnetworkoperation.html#operation">operation</a>() == QNetworkProtocol::OpGet ) {
// finished reading a file from the local filesystem? reset the progress bar
progressBar2-><a href="qprogressbar.html#setTotalSteps">setTotalSteps</a>( 0 );
progressBar2-><a href="qprogressbar.html#reset">reset</a>();
}
}
void <a name="f324"></a>FtpMainWindow::slotLocalDataTransferProgress( int bytesDone, int bytesTotal,
<a href="qnetworkoperation.html">QNetworkOperation</a> *op )
{
// Show the progress here of the local QUrlOperator reads or writes data
if ( !op )
return;
<a name="x1035"></a> if ( !progressBar1-><a href="qwidget.html#isVisible">isVisible</a>() ) {
if ( bytesDone < bytesTotal) {
<a name="x1037"></a> progressLabel1-><a href="qwidget.html#show">show</a>();
progressBar1-><a href="qwidget.html#show">show</a>();
progressBar1-><a href="qprogressbar.html#setTotalSteps">setTotalSteps</a>( bytesTotal );
<a name="x1023"></a> progressBar1-><a href="qprogressbar.html#setProgress">setProgress</a>( 0 );
progressBar1-><a href="qprogressbar.html#reset">reset</a>();
} else
return;
}
<a name="x1025"></a> if ( progressBar1-><a href="qprogressbar.html#totalSteps">totalSteps</a>() == bytesTotal )
progressBar1-><a href="qprogressbar.html#setTotalSteps">setTotalSteps</a>( bytesTotal );
if ( op-><a href="qnetworkoperation.html#operation">operation</a>() == QNetworkProtocol::OpGet )
<a name="x1017"></a><a name="x1011"></a> progressLabel1-><a href="qlabel.html#setText">setText</a>( <a href="qobject.html#tr">tr</a>( "Read: %1" ).arg( op-><a href="qnetworkoperation.html#arg">arg</a>( 0 ) ) );
else if ( op-><a href="qnetworkoperation.html#operation">operation</a>() == QNetworkProtocol::OpPut )
progressLabel1-><a href="qlabel.html#setText">setText</a>( <a href="qobject.html#tr">tr</a>( "Write: %1" ).arg( op-><a href="qnetworkoperation.html#arg">arg</a>( 0 ) ) );
else
return;
progressBar1-><a href="qprogressbar.html#setProgress">setProgress</a>( bytesDone );
}
void <a name="f325"></a>FtpMainWindow::slotRemoteDataTransferProgress( int bytesDone, int bytesTotal,
<a href="qnetworkoperation.html">QNetworkOperation</a> *op )
{
// Show the progress here of the remote QUrlOperator reads or writes data
if ( !op )
return;
if ( !progressBar2-><a href="qwidget.html#isVisible">isVisible</a>() ) {
if ( bytesDone < bytesTotal) {
progressLabel2-><a href="qwidget.html#show">show</a>();
progressBar2-><a href="qwidget.html#show">show</a>();
progressBar2-><a href="qprogressbar.html#setTotalSteps">setTotalSteps</a>( bytesTotal );
progressBar2-><a href="qprogressbar.html#setProgress">setProgress</a>( 0 );
progressBar2-><a href="qprogressbar.html#reset">reset</a>();
} else
return;
}
if ( progressBar2-><a href="qprogressbar.html#totalSteps">totalSteps</a>() != bytesTotal )
progressBar2-><a href="qprogressbar.html#setTotalSteps">setTotalSteps</a>( bytesTotal );
if ( op-><a href="qnetworkoperation.html#operation">operation</a>() == QNetworkProtocol::OpGet )
progressLabel2-><a href="qlabel.html#setText">setText</a>( <a href="qobject.html#tr">tr</a>( "Read: %1" ).arg( op-><a href="qnetworkoperation.html#arg">arg</a>( 0 ) ) );
else if ( op-><a href="qnetworkoperation.html#operation">operation</a>() == QNetworkProtocol::OpPut )
progressLabel2-><a href="qlabel.html#setText">setText</a>( <a href="qobject.html#tr">tr</a>( "Write: %1" ).arg( op-><a href="qnetworkoperation.html#arg">arg</a>( 0 ) ) );
else
return;
progressBar2-><a href="qprogressbar.html#setProgress">setProgress</a>( bytesDone );
}
void <a name="f326"></a>FtpMainWindow::slotLocalMkDir()
{
// create a dir on the local filesystem
bool ok = FALSE;
<a name="x1010"></a> <a href="qstring.html">QString</a> name = QInputDialog::<a href="qinputdialog.html#getText">getText</a>( <a href="qobject.html#tr">tr</a>( "Directory Name:" ), <a href="qstring.html#QString-null">QString::null</a>, QLineEdit::Normal, QString::null, &ok, this );
if ( !name.<a href="qstring.html#isEmpty">isEmpty</a>() && ok )
localOperator.mkdir( name );
}
void <a name="f327"></a>FtpMainWindow::slotLocalRemove()
{
}
void <a name="f328"></a>FtpMainWindow::slotRemoteMkDir()
{
// create a dir on the remote filesystem (FTP server)
bool ok = FALSE;
<a href="qstring.html">QString</a> name = QInputDialog::<a href="qinputdialog.html#getText">getText</a>( <a href="qobject.html#tr">tr</a>( "Directory Name:" ), QString::null, QLineEdit::Normal, QString::null, &ok, this );
if ( !name.<a href="qstring.html#isEmpty">isEmpty</a>() && ok )
remoteOperator.mkdir( name );
}
void <a name="f329"></a>FtpMainWindow::slotRemoteRemove()
{
}
void <a name="f330"></a>FtpMainWindow::slotConnectionStateChanged( int, const <a href="qstring.html">QString</a> &msg )
{
<a href="qmainwindow.html#statusBar">statusBar</a>()->message( msg );
}
</pre>
<p> <hr>
<p> The API of the FtpViewItem and FtpView classes (ftpview.h):
<p> <pre>/****************************************************************************
** $Id: qt/ftpview.h 3.0.2 edited Oct 12 12:18 $
**
** Copyright (C) 1992-2000 Trolltech AS. All rights reserved.
**
** This file is part of an example program for Qt. This example
** program may be used, distributed and modified without limitation.
**
*****************************************************************************/
#ifndef FTPVIEW_H
#define FTPVIEW_H
#include <<a href="qlistview-h.html">qlistview.h</a>>
#include <<a href="qvaluelist-h.html">qvaluelist.h</a>>
#include <<a href="qurlinfo-h.html">qurlinfo.h</a>>
class FtpViewItem : public <a href="qlistviewitem.html">QListViewItem</a>
{
public:
FtpViewItem( <a href="qlistview.html">QListView</a> *parent, const <a href="qurlinfo.html">QUrlInfo</a> &i );
int compare( <a href="qlistviewitem.html">QListViewItem</a> * i, int col, bool ascending ) const;
<a href="qstring.html">QString</a> text( int c ) const;
const <a href="qpixmap.html">QPixmap</a>* pixmap( int c ) const;
<a href="qurlinfo.html">QUrlInfo</a> entryInfo() {
return info;
}
private:
<a href="qurlinfo.html">QUrlInfo</a> info;
};
class FtpView : public <a href="qlistview.html">QListView</a>
{
Q_OBJECT
public:
FtpView( <a href="qwidget.html">QWidget</a> *parent );
<a href="qvaluelist.html">QValueList</a><QUrlInfo> selectedItems() const;
public slots:
void slotInsertEntries( const <a href="qvaluelist.html">QValueList</a><QUrlInfo> &info );
signals:
void itemSelected( const <a href="qurlinfo.html">QUrlInfo</a> &info );
private slots:
void slotSelected( <a href="qlistviewitem.html">QListViewItem</a> *item );
};
#endif
</pre>
<p> <hr>
<p> Their Implementation (ftpview.cpp):
<p> <pre>/****************************************************************************
** $Id: qt/ftpview.cpp 3.0.2 edited Oct 12 12:18 $
**
** Copyright (C) 1992-2000 Trolltech AS. All rights reserved.
**
** This file is part of an example program for Qt. This example
** program may be used, distributed and modified without limitation.
**
*****************************************************************************/
#include "ftpview.h"
#include <<a href="qpixmap-h.html">qpixmap.h</a>>
#include <<a href="qvaluelist-h.html">qvaluelist.h</a>>
/* XPM */
static const char* closed_xpm[]={
"15 15 6 1",
". c None",
"b c #ffff00",
"d c #000000",
"* c #999999",
"a c #cccccc",
"c c #ffffff",
"...............",
"..*****........",
".*ababa*.......",
"*abababa******.",
"*cccccccccccc*d",
"*cbababababab*d",
"*cabababababa*d",
"*cbababababab*d",
"*cabababababa*d",
"*cbababababab*d",
"*cabababababa*d",
"*cbababababab*d",
"**************d",
".dddddddddddddd",
"..............."};
/* XPM */
static const char* file_xpm[]={
"13 15 5 1",
". c #7f7f7f",
"# c None",
"c c #000000",
"b c #bfbfbf",
"a c #ffffff",
"..........###",
".aaaaaaaab.##",
".aaaaaaaaba.#",
".aaaaaaaacccc",
".aaaaaaaaaabc",
".aaaaaaaaaabc",
".aaaaaaaaaabc",
".aaaaaaaaaabc",
".aaaaaaaaaabc",
".aaaaaaaaaabc",
".aaaaaaaaaabc",
".aaaaaaaaaabc",
".aaaaaaaaaabc",
".bbbbbbbbbbbc",
"ccccccccccccc"};
QPixmap *folderIcon = 0;
QPixmap *fileIcon = 0;
<a name="f335"></a>FtpViewItem::FtpViewItem( <a href="qlistview.html">QListView</a> *parent, const <a href="qurlinfo.html">QUrlInfo</a> &i )
<a name="x1044"></a> : <a href="qlistviewitem.html">QListViewItem</a>( parent, i.<a href="qurlinfo.html#name">name</a>() ), info( i )
{
}
<a name="x1039"></a>int FtpViewItem::<a href="qlistviewitem.html#compare">compare</a>( <a href="qlistviewitem.html">QListViewItem</a> * i, int col, bool ascending ) const
{
FtpViewItem *other = (FtpViewItem*)i;
switch ( col ) {
case 1:
<a name="x1047"></a> if ( info.<a href="qvaluelist.html#size">size</a>() == other->info.<a href="qvaluelist.html#size">size</a>() )
return 0;
else
return info.<a href="qvaluelist.html#size">size</a>() < other->info.<a href="qvaluelist.html#size">size</a>() ? -1 : 1;
case 2:
if ( info.lastModified() == other->info.lastModified() )
return 0;
else
return info.lastModified() < other->info.lastModified() ? -1 : 1;
default:
// use default method for colum 0 and others added in the future
return QListViewItem::compare( i, col, ascending );
};
}
<a name="x1042"></a>QString FtpViewItem::<a href="qlistviewitem.html#text">text</a>( int c ) const
{
switch ( c ) {
case 0:
return info.name();
case 1:
return QString::number( info.<a href="qvaluelist.html#size">size</a>() );
case 2:
return info.lastModified().toString();
}
return "????";
}
<a name="x1040"></a>const QPixmap *FtpViewItem::<a href="qlistviewitem.html#pixmap">pixmap</a>( int c ) const
{
if ( !folderIcon )
folderIcon = new <a href="qpixmap.html">QPixmap</a>( closed_xpm );
if ( !fileIcon )
fileIcon = new <a href="qpixmap.html">QPixmap</a>( file_xpm );
if ( info.isDir() && c == 0 )
return folderIcon;
else if ( info.isFile() && c == 0 )
return fileIcon;
return 0;
}
<a name="f331"></a>FtpView::FtpView( <a href="qwidget.html">QWidget</a> *parent )
: <a href="qlistview.html">QListView</a>( parent )
{
<a href="qlistview.html#addColumn">addColumn</a>( <a href="qobject.html#tr">tr</a>( "Name" ) );
<a href="qlistview.html#addColumn">addColumn</a>( <a href="qobject.html#tr">tr</a>( "Size" ) );
<a href="qlistview.html#addColumn">addColumn</a>( <a href="qobject.html#tr">tr</a>( "Last Modified" ) );
<a href="qlistview.html#setColumnAlignment">setColumnAlignment</a>( 1, Qt::AlignRight );
<a href="qlistview.html#setShowSortIndicator">setShowSortIndicator</a>( TRUE );
<a href="qlistview.html#setAllColumnsShowFocus">setAllColumnsShowFocus</a>( TRUE );
<a href="qlistview.html#setSelectionMode">setSelectionMode</a>( Extended );
<a href="qobject.html#connect">connect</a>( this, SIGNAL( <a href="qlistview.html#doubleClicked">doubleClicked</a>( <a href="qlistviewitem.html">QListViewItem</a> * ) ),
this, SLOT( slotSelected( <a href="qlistviewitem.html">QListViewItem</a> * ) ) );
<a href="qobject.html#connect">connect</a>( this, SIGNAL( <a href="qlistview.html#returnPressed">returnPressed</a>( <a href="qlistviewitem.html">QListViewItem</a> * ) ),
this, SLOT( slotSelected( <a href="qlistviewitem.html">QListViewItem</a> * ) ) );
}
void <a name="f332"></a>FtpView::slotInsertEntries( const <a href="qvaluelist.html">QValueList</a><QUrlInfo> &info )
{
QValueList<QUrlInfo>::ConstIterator it;
<a name="x1046"></a><a name="x1045"></a> for( it = info.<a href="qvaluelist.html#begin">begin</a>(); it != info.<a href="qvaluelist.html#end">end</a>(); ++it ) {
if ( (*it).name() != ".." && (*it).name() != "." && (*it).name()[ 0 ] == '.' )
continue;
FtpViewItem *item = new FtpViewItem( this, (*it) );
if ( (*it).isDir() )
<a name="x1041"></a> item-><a href="qlistviewitem.html#setSelectable">setSelectable</a>( FALSE );
}
}
void <a name="f333"></a>FtpView::slotSelected( <a href="qlistviewitem.html">QListViewItem</a> *item )
{
if ( !item )
return;
FtpViewItem *i = (FtpViewItem*)item;
if ( i->entryInfo().isDir() )
emit itemSelected( i->entryInfo() );
}
QValueList<QUrlInfo> <a name="f334"></a>FtpView::selectedItems() const
{
<a href="qvaluelist.html">QValueList</a><QUrlInfo> lst;
<a href="qlistviewitemiterator.html">QListViewItemIterator</a> it( (QListView*)this );
<a name="x1043"></a> for ( ; it.<a href="qlistviewitemiterator.html#current">current</a>(); ++it ) {
if ( it.<a href="qlistviewitemiterator.html#current">current</a>()->isSelected() ) {
lst << ( (FtpViewItem*)it.<a href="qlistviewitemiterator.html#current">current</a>() )->entryInfo();
}
}
return lst;
}
</pre>
<p> <hr>
<p> Main (main.cpp):
<p> <pre>/****************************************************************************
** $Id: qt/main.cpp 3.0.2 edited Nov 6 19:46 $
**
** Copyright (C) 1992-2000 Trolltech AS. All rights reserved.
**
** This file is part of an example program for Qt. This example
** program may be used, distributed and modified without limitation.
**
*****************************************************************************/
#include <<a href="qapplication-h.html">qapplication.h</a>>
#include <<a href="qnetwork-h.html">qnetwork.h</a>>
#include <<a href="qsplitter-h.html">qsplitter.h</a>>
#include "ftpmainwindow.h"
int main( int argc, char **argv )
{
<a href="qapplication.html">QApplication</a> a( argc, argv );
// call this to register the built-in network protocols, e.g. FTP
// and HTTP.
<a href="qurloperator.html#qInitNetworkProtocols">qInitNetworkProtocols</a>();
FtpMainWindow m;
a.<a href="qapplication.html#setMainWidget">setMainWidget</a>( &m );
<a href="qvaluelist.html">QValueList</a><int> sizes;
sizes << 300 << 70 << 300;
m.mainSplitter()->setSizes( sizes );
m.<a href="qwidget.html#resize">resize</a>( 800, 600 );
m.<a href="qwidget.html#show">show</a>();
return a.<a href="qapplication.html#exec">exec</a>();
}
</pre>
<p>See also <a href="network-examples.html">Network Examples</a>.
<!-- eof -->
<p><address><hr><div align=center>
<table width=100% cellspacing=0 border=0><tr>
<td>Copyright © 2001
<a href="http://www.trolltech.com">Trolltech</a><td><a href="http://www.trolltech.com/trademarks.html">Trademarks</a>
<td align=right><div align=right>Qt version 3.0.2</div>
</table></div></address></body>
</html>
distrib
>
Mandriva
>
8.2
>
i586
>
media
>
contrib
>
by-pkgid
>
112b0974ad288f6cd55bf971ee6026a9
>
files
>
722
