*******************************************************************************/
-//Created by Mateusz Półrola
+/*!
+ \file XdxfDictDownloader.cpp
+ \author Mateusz Półrola <mateusz.polrola@comarch.com>
+ */
#include "XdxfDictDownloader.h"
#include "XdxfDictDownloadProgressDialog.h"
+#include <QDebug>
+
XdxfDictDownloader::XdxfDictDownloader(QObject *parent) :
- QObject(parent)
-{
-}
+ QObject(parent) {
+ parentDialog = 0;
+ process = new QProcess(this);
+ manager = new QNetworkAccessManager(this);
+
+ connect(manager, SIGNAL(finished(QNetworkReply*)),
+ this, SLOT(dictListReceived(QNetworkReply*)));
+ connect(process, SIGNAL(finished(int)),
+ this, SLOT(processFinished(int)));
+
+ progressDialog = 0;
+}
void XdxfDictDownloader::download(QWidget *parent) {
- XdxfDictDownloadProgressDialog progress(parent);
- //XdxfDictSelectDialog selectDialog(parent);
+ parentDialog = parent;
+ aborted = false;
+
+ manager->get(QNetworkRequest(QUrl("http://xdxf.revdanica.com/down/")));
+
+ progressDialog = new XdxfDictDownloadProgressDialog(parent);
+
+ connect(progressDialog, SIGNAL(cancelDownloading()),
+ this, SLOT(breakDownloading()));
+ progressDialog->setText(tr("Downloading dictionaries list"));
+ progressDialog->show();
+}
+
+QString XdxfDictDownloader::downloadedFile() {
+ return _downloadedFile;
+}
+
+
+void XdxfDictDownloader::breakDownloading() {
+ //if user cancel downloading we kill all running processes, hide progress dialog and set flag that user cancel downloading.
+ aborted = true;
+ if(process->state() != QProcess::NotRunning) {
+ process->kill();
+ }
+
+ if(progressDialog && progressDialog->isVisible()) {
+ progressDialog->accept();
+ }
+
+}
+
+void XdxfDictDownloader::processFinished(int exitcode) {
+ //first check if user cancel downloading
+ if(aborted) return;
+
+ //if error of proces, notify user about this
+ if(exitcode != 0) {
+ Q_EMIT notify(Notify::Error, tr("Error while downloading or processing dictionary"));
+ breakDownloading();
+ return;
+ }
+ //if there are any left commands, execute next
+ if(++currentCommand<commands.size()) {
+ process->start(commands[currentCommand]);
+ }
+ else {
+ downloadComplete();
+ }
+}
+
+void XdxfDictDownloader::downloadComplete() {
+ if(aborted) return;
+ // Downloaded tar file name is different than extracted folder so we need
+ // some clean directory to identify extracted files
+ QDir dir("/tmp/mdict");
+ QString dictDirName = dir.entryList().at(2);
+
+ // Dict is in /tmp/mdict/<extracted directory>/dict.xdxf
+ QFile dictFile("/tmp/mdict/" + dictDirName + "/dict.xdxf");
+ dictFile.copy(QDir::homePath() + "/.mdictionary/" + dictDirName + ".xdxf");
+ QFile::remove("/tmp/" + _fileName);
+
+ _downloadedFile = QDir::homePath() + "/.mdictionary/" + dictDirName + ".xdxf";
+
+ progressDialog->accept();
+ delete progressDialog;
+ progressDialog = 0;
+
+ emit fileDownloaded(_downloadedFile);
+}
+
+void XdxfDictDownloader::dictListReceived(QNetworkReply *reply) {
+
+ if(aborted) return;
+ progressDialog->accept();
+
+ if(reply->error() != QNetworkReply::NoError) {
+ Q_EMIT notify(Notify::Error, reply->errorString());
+ return;
+ }
+
+ QString page(QString::fromUtf8(reply->readAll()));
+
+ // You can look at http://xdxf.revdanica.com/down/, we need to get table
+ // with dictionaries entries following regexp match its begining
+ QRegExp regOuter("<td>Icon</td><td>Name</td><td>Archive filename</td><td>Archive file size</td><td>Dict file size</td><td>Number of articles</td><td>From</td><td>To</td><td>Submitted by</td><td>Submition date</td></tr>(.*)</table>");
+ regOuter.setMinimal(true);
+ if(!regOuter.indexIn(page))
+ return;
+
+ // Cutting each entry and creating coresponded DownloadDict object
+ page = regOuter.capturedTexts().at(1);
+ QRegExp regInner("<tr>.*</tr>");
+ regInner.setMinimal(true);
+ int pos = 0;
+
+ while ((pos = regInner.indexIn(page, pos)) != -1) {
+ DownloadDict temp = DownloadDict(regInner.cap(0));
+ if(!temp.fromLang().isEmpty())
+ dicts.append(temp);
+ pos += regInner.matchedLength();
+ }
+
+ XdxfDictSelectDialog selectDialog(dicts, parentDialog);
+
+ if(selectDialog.exec()==QDialog::Accepted) {
+
+ progressDialog->setText(tr("Downloading dictionary"));
+ progressDialog->show();
+
+ QString url = selectDialog.link();
+
+ _fileName = url.split('/').last();
+
+ // Now its the tricky part ... its temporary (probably)
+ // We dont have any tar-dev and bz2-dev packages on maemo so we need
+ // to call commands via shell, each command from list is called after
+ // previous call returns 0
+
+ currentCommand = 0;
+ commands.clear();
+ commands.push_back("rm -rf /tmp/mdict");
+ commands.push_back("mkdir /tmp/mdict");
+
+ // Downloading xdxf dict from sourceforge is kind of complicated,
+ // there is a lot of redirection and QNetwork* is kind of lost, we
+ // tried to follow redirection (by hand) but we end up with some
+ // page and js scripts and thats all
+ // Maybe calling wget is not pretty one but its working!
+ commands.push_back("wget --quiet -P /tmp/ " + url);
+ commands.push_back(QString("tar -xjvf /tmp/") + _fileName + QString(" -C /tmp/mdict"));
+
+ process->start(commands[0]);
+ }
}