38be0d1383
This is the beginning of revision history for this module. If you want to look at revision history older than this, please refer to the Qt Git wiki for how to use Git history grafting. At the time of writing, this wiki is located here: http://qt.gitorious.org/qt/pages/GitIntroductionWithQt If you have already performed the grafting and you don't see any history beyond this commit, try running "git log" with the "--follow" argument. Branched from the monolithic repo, Qt master branch, at commit 896db169ea224deb96c59ce8af800d019de63f12
408 lines
13 KiB
C++
408 lines
13 KiB
C++
/****************************************************************************
|
|
**
|
|
** Copyright (C) 2011 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(ftpServerLineEdit->text()));
|
|
}
|
|
|
|
//![3]
|
|
void FtpWindow::downloadFile()
|
|
{
|
|
QString fileName = fileList->currentItem()->text(0);
|
|
//![3]
|
|
//
|
|
if (QFile::exists(fileName)) {
|
|
QMessageBox::information(this, tr("FTP"),
|
|
tr("There already exists a file called %1 in "
|
|
"the current directory.")
|
|
.arg(fileName));
|
|
return;
|
|
}
|
|
|
|
//![4]
|
|
file = new QFile(fileName);
|
|
if (!file->open(QIODevice::WriteOnly)) {
|
|
QMessageBox::information(this, tr("FTP"),
|
|
tr("Unable to save the file %1: %2.")
|
|
.arg(fileName).arg(file->errorString()));
|
|
delete file;
|
|
return;
|
|
}
|
|
|
|
ftp->get(fileList->currentItem()->text(0), file);
|
|
|
|
progressDialog->setLabelText(tr("Downloading %1...").arg(fileName));
|
|
downloadButton->setEnabled(false);
|
|
progressDialog->exec();
|
|
}
|
|
//![4]
|
|
|
|
//![5]
|
|
void FtpWindow::cancelDownload()
|
|
{
|
|
ftp->abort();
|
|
}
|
|
//![5]
|
|
|
|
//![6]
|
|
void FtpWindow::ftpCommandFinished(int, bool error)
|
|
{
|
|
#ifndef QT_NO_CURSOR
|
|
setCursor(Qt::ArrowCursor);
|
|
#endif
|
|
|
|
if (ftp->currentCommand() == QFtp::ConnectToHost) {
|
|
if (error) {
|
|
QMessageBox::information(this, tr("FTP"),
|
|
tr("Unable to connect to the FTP server "
|
|
"at %1. Please check that the host "
|
|
"name is correct.")
|
|
.arg(ftpServerLineEdit->text()));
|
|
connectOrDisconnect();
|
|
return;
|
|
}
|
|
statusLabel->setText(tr("Logged onto %1.")
|
|
.arg(ftpServerLineEdit->text()));
|
|
fileList->setFocus();
|
|
downloadButton->setDefault(true);
|
|
connectButton->setEnabled(true);
|
|
return;
|
|
}
|
|
//![6]
|
|
|
|
//![7]
|
|
if (ftp->currentCommand() == QFtp::Login)
|
|
ftp->list();
|
|
//![7]
|
|
|
|
//![8]
|
|
if (ftp->currentCommand() == QFtp::Get) {
|
|
if (error) {
|
|
statusLabel->setText(tr("Canceled download of %1.")
|
|
.arg(file->fileName()));
|
|
file->close();
|
|
file->remove();
|
|
} else {
|
|
statusLabel->setText(tr("Downloaded %1 to current directory.")
|
|
.arg(file->fileName()));
|
|
file->close();
|
|
}
|
|
delete file;
|
|
enableDownloadButton();
|
|
progressDialog->hide();
|
|
//![8]
|
|
//![9]
|
|
} else if (ftp->currentCommand() == QFtp::List) {
|
|
if (isDirectory.isEmpty()) {
|
|
fileList->addTopLevelItem(new QTreeWidgetItem(QStringList() << tr("<empty>")));
|
|
fileList->setEnabled(false);
|
|
}
|
|
}
|
|
//![9]
|
|
}
|
|
|
|
//![10]
|
|
void FtpWindow::addToList(const QUrlInfo &urlInfo)
|
|
{
|
|
QTreeWidgetItem *item = new QTreeWidgetItem;
|
|
item->setText(0, urlInfo.name());
|
|
item->setText(1, QString::number(urlInfo.size()));
|
|
item->setText(2, urlInfo.owner());
|
|
item->setText(3, urlInfo.group());
|
|
item->setText(4, urlInfo.lastModified().toString("MMM dd yyyy"));
|
|
|
|
QPixmap pixmap(urlInfo.isDir() ? ":/images/dir.png" : ":/images/file.png");
|
|
item->setIcon(0, pixmap);
|
|
|
|
isDirectory[urlInfo.name()] = urlInfo.isDir();
|
|
fileList->addTopLevelItem(item);
|
|
if (!fileList->currentItem()) {
|
|
fileList->setCurrentItem(fileList->topLevelItem(0));
|
|
fileList->setEnabled(true);
|
|
}
|
|
}
|
|
//![10]
|
|
|
|
//![11]
|
|
void FtpWindow::processItem(QTreeWidgetItem *item, int /*column*/)
|
|
{
|
|
QString name = item->text(0);
|
|
if (isDirectory.value(name)) {
|
|
fileList->clear();
|
|
isDirectory.clear();
|
|
currentPath += '/';
|
|
currentPath += name;
|
|
ftp->cd(name);
|
|
ftp->list();
|
|
cdToParentButton->setEnabled(true);
|
|
#ifndef QT_NO_CURSOR
|
|
setCursor(Qt::WaitCursor);
|
|
#endif
|
|
return;
|
|
}
|
|
}
|
|
//![11]
|
|
|
|
//![12]
|
|
void FtpWindow::cdToParent()
|
|
{
|
|
#ifndef QT_NO_CURSOR
|
|
setCursor(Qt::WaitCursor);
|
|
#endif
|
|
fileList->clear();
|
|
isDirectory.clear();
|
|
currentPath = currentPath.left(currentPath.lastIndexOf('/'));
|
|
if (currentPath.isEmpty()) {
|
|
cdToParentButton->setEnabled(false);
|
|
ftp->cd("/");
|
|
} else {
|
|
ftp->cd(currentPath);
|
|
}
|
|
ftp->list();
|
|
}
|
|
//![12]
|
|
|
|
//![13]
|
|
void FtpWindow::updateDataTransferProgress(qint64 readBytes,
|
|
qint64 totalBytes)
|
|
{
|
|
progressDialog->setMaximum(totalBytes);
|
|
progressDialog->setValue(readBytes);
|
|
}
|
|
//![13]
|
|
|
|
//![14]
|
|
void FtpWindow::enableDownloadButton()
|
|
{
|
|
QTreeWidgetItem *current = fileList->currentItem();
|
|
if (current) {
|
|
QString currentFile = current->text(0);
|
|
downloadButton->setEnabled(!isDirectory.value(currentFile));
|
|
} else {
|
|
downloadButton->setEnabled(false);
|
|
}
|
|
}
|
|
//![14]
|
|
|
|
void FtpWindow::enableConnectButton()
|
|
{
|
|
// Save the used configuration
|
|
QNetworkConfiguration config = networkSession->configuration();
|
|
QString id;
|
|
if (config.type() == QNetworkConfiguration::UserChoice)
|
|
id = networkSession->sessionProperty(QLatin1String("UserChoiceConfiguration")).toString();
|
|
else
|
|
id = config.identifier();
|
|
|
|
QSettings settings(QSettings::UserScope, QLatin1String("Trolltech"));
|
|
settings.beginGroup(QLatin1String("QtNetwork"));
|
|
settings.setValue(QLatin1String("DefaultNetworkConfiguration"), id);
|
|
settings.endGroup();
|
|
|
|
connectButton->setEnabled(networkSession->isOpen());
|
|
statusLabel->setText(tr("Please enter the name of an FTP server."));
|
|
}
|
|
|