ftp.zip_QT FTP_ftp

/**************************************************************************** ** ** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies). ** All rights reserved. ** Contact: Nokia Corporation (qt-info@nokia.com) ** ** This file is part of the examples of the Qt Toolkit. ** ** $QT_BEGIN_LICENSE:BSD$ ** You may use this file under the terms of the BSD license as follows: ** ** "Redistribution and use in source and binary forms, with or without ** modification, are permitted provided that the following conditions are ** met: ** * Redistributions of source code must retain the above copyright ** notice, this list of conditions and the following disclaimer. ** * Redistributions in binary form must reproduce the above copyright ** notice, this list of conditions and the following disclaimer in ** the documentation and/or other materials provided with the ** distribution. ** * Neither the name of Nokia Corporation and its Subsidiary(-ies) nor ** the names of its contributors may be used to endorse or promote ** products derived from this software without specific prior written ** permission. ** ** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS ** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT ** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR ** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT ** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, ** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT ** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, ** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY ** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT ** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE ** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE." ** $QT_END_LICENSE$ ** ****************************************************************************/ #include <QtGui> #include <QtNetwork> #include "ftpwindow.h" FtpWindow::FtpWindow(QWidget *parent) : QDialog(parent), ftp(0), networkSession(0) { ftpServerLabel = new QLabel(tr("Ftp &server:")); ftpServerLineEdit = new QLineEdit("ftp.qt.nokia.com"); ftpServerLabel->setBuddy(ftpServerLineEdit); statusLabel = new QLabel(tr("Please enter the name of an FTP server.")); #ifdef Q_OS_SYMBIAN // Use word wrapping to fit the text on screen statusLabel->setWordWrap( true ); #endif fileList = new QTreeWidget; fileList->setEnabled(false); fileList->setRootIsDecorated(false); fileList->setHeaderLabels(QStringList() << tr("Name") << tr("Size") << tr("Owner") << tr("Group") << tr("Time")); fileList->header()->setStretchLastSection(false); connectButton = new QPushButton(tr("Connect")); connectButton->setDefault(true); cdToParentButton = new QPushButton; cdToParentButton->setIcon(QPixmap(":/images/cdtoparent.png")); cdToParentButton->setEnabled(false); downloadButton = new QPushButton(tr("Download")); downloadButton->setEnabled(false); quitButton = new QPushButton(tr("Quit")); buttonBox = new QDialogButtonBox; buttonBox->addButton(downloadButton, QDialogButtonBox::ActionRole); buttonBox->addButton(quitButton, QDialogButtonBox::RejectRole); progressDialog = new QProgressDialog(this); connect(fileList, SIGNAL(itemActivated(QTreeWidgetItem*,int)), this, SLOT(processItem(QTreeWidgetItem*,int))); connect(fileList, SIGNAL(currentItemChanged(QTreeWidgetItem*,QTreeWidgetItem*)), this, SLOT(enableDownloadButton())); connect(progressDialog, SIGNAL(canceled()), this, SLOT(cancelDownload())); connect(connectButton, SIGNAL(clicked()), this, SLOT(connectOrDisconnect())); connect(cdToParentButton, SIGNAL(clicked()), this, SLOT(cdToParent())); connect(downloadButton, SIGNAL(clicked()), this, SLOT(downloadFile())); connect(quitButton, SIGNAL(clicked()), this, SLOT(close())); QHBoxLayout *topLayout = new QHBoxLayout; topLayout->addWidget(ftpServerLabel); topLayout->addWidget(ftpServerLineEdit); #ifndef Q_OS_SYMBIAN topLayout->addWidget(cdToParentButton); topLayout->addWidget(connectButton); #else // Make app better lookin on small screen QHBoxLayout *topLayout2 = new QHBoxLayout; topLayout2->addWidget(cdToParentButton); topLayout2->addWidget(connectButton); #endif QVBoxLayout *mainLayout = new QVBoxLayout; mainLayout->addLayout(topLayout); #ifdef Q_OS_SYMBIAN // Make app better lookin on small screen mainLayout->addLayout(topLayout2); #endif mainLayout->addWidget(fileList); mainLayout->addWidget(statusLabel); mainLayout->addWidget(buttonBox); setLayout(mainLayout); QNetworkConfigurationManager manager; if (manager.capabilities() & QNetworkConfigurationManager::NetworkSessionRequired) { // Get saved network configuration QSettings settings(QSettings::UserScope, QLatin1String("Trolltech")); settings.beginGroup(QLatin1String("QtNetwork")); const QString id = settings.value(QLatin1String("DefaultNetworkConfiguration")).toString(); settings.endGroup(); // If the saved network configuration is not currently discovered use the system default QNetworkConfiguration config = manager.configurationFromIdentifier(id); if ((config.state() & QNetworkConfiguration::Discovered) != QNetworkConfiguration::Discovered) { config = manager.defaultConfiguration(); } networkSession = new QNetworkSession(config, this); connect(networkSession, SIGNAL(opened()), this, SLOT(enableConnectButton())); connectButton->setEnabled(false); statusLabel->setText(tr("Opening network session.")); networkSession->open(); } setWindowTitle(tr("FTP")); } QSize FtpWindow::sizeHint() const { return QSize(500, 300); } //![0] void FtpWindow::connectOrDisconnect() { if (ftp) { ftp->abort(); ftp->deleteLater(); ftp = 0; //![0] fileList->setEnabled(false); cdToParentButton->setEnabled(false); downloadButton->setEnabled(false); connectButton->setEnabled(true); connectButton->setText(tr("Connect")); #ifndef QT_NO_CURSOR setCursor(Qt::ArrowCursor); #endif statusLabel->setText(tr("Please enter the name of an FTP server.")); return; } #ifndef QT_NO_CURSOR setCursor(Qt::WaitCursor); #endif //![1] ftp = new QFtp(this); connect(ftp, SIGNAL(commandFinished(int,bool)), this, SLOT(ftpCommandFinished(int,bool))); connect(ftp, SIGNAL(listInfo(QUrlInfo)), this, SLOT(addToList(QUrlInfo))); connect(ftp, SIGNAL(dataTransferProgress(qint64,qint64)), this, SLOT(updateDataTransferProgress(qint64,qint64))); fileList->clear(); currentPath.clear(); isDirectory.clear(); //![1] //![2] QUrl url(ftpServerLineEdit->text()); if (!url.isValid() || url.scheme().toLower() != QLatin1String("ftp")) { ftp->connectToHost(ftpServerLineEdit->text(), 21); ftp->login(); } else { ftp->connectToHost(url.host(), url.port(21)); if (!url.userName().isEmpty()) ftp->login(QUrl::fromPercentEncoding(url.userName().toLatin1()), url.password()); else ftp->login(); if (!url.path().isEmpty()) ftp->cd(url.path()); } //![2] fileList->setEnabled(true); connectButton->setEnabled(false); connectButton->setText(tr("Disconnect")); statusLabel->setText(tr("Connecting to FTP server %1...") .arg(ftpSer