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/****************************************************************************
**
** Copyright (C) 1992-2008 Trolltech ASA. All rights reserved.
**
** This file is part of an example program for Qt. This example
** program may be used, distributed and modified without limitation.
**
*****************************************************************************/
/****************************************************************************
** ui.h extension file, included from the uic-generated form implementation.
**
** If you wish to add, delete or rename functions or slots use
** Qt Designer which will update this file, preserving your code. Create an
** init() function in place of a constructor, and a destroy() function in
** place of a destructor.
*****************************************************************************/
void ArchiveDialog::init()
{
connect(&articleSearcher, SIGNAL(done(bool)), this, SLOT(searchDone(bool)));
connect(&articleFetcher, SIGNAL(done(bool)), this, SLOT(fetchDone(bool)));
connect(myListView, SIGNAL(selectionChanged(QListViewItem*)), this, SLOT(fetch(QListViewItem*)));
connect(myLineEdit, SIGNAL(returnPressed()), this, SLOT(search()));
connect(myListView, SIGNAL(returnPressed(QListViewItem*)), this, SLOT(fetch(QListViewItem*)));
connect(myPushButton, SIGNAL(clicked()), this, SLOT(close()));
}
void ArchiveDialog::fetch( QListViewItem *it )
{
QUrl u(it->text(1));
articleFetcher.setHost(u.host());
articleFetcher.get(it->text(1));
}
void ArchiveDialog::fetchDone( bool error )
{
if (error) {
QMessageBox::critical(this, "Error fetching",
"An error occurred when fetching this document: "
+ articleFetcher.errorString(),
QMessageBox::Ok, QMessageBox::NoButton);
} else {
myTextBrowser->setText(articleFetcher.readAll());
}
}
void ArchiveDialog::search()
{
if (articleSearcher.state() == QHttp::HostLookup
|| articleSearcher.state() == QHttp::Connecting
|| articleSearcher.state() == QHttp::Sending
|| articleSearcher.state() == QHttp::Reading) {
articleSearcher.abort();
}
if (myLineEdit->text() == "") {
QMessageBox::critical(this, "Empty query",
"Please type a search string.",
QMessageBox::Ok, QMessageBox::NoButton);
} else {
QApplication::setOverrideCursor(QCursor(Qt::WaitCursor));
articleSearcher.setHost("lists.trolltech.com");
QHttpRequestHeader header("POST", "/qt-interest/search.php");
header.setValue("Host", "lists.trolltech.com");
header.setContentType("application/x-www-form-urlencoded");
QString encodedTopic = myLineEdit->text();
QUrl::encode(encodedTopic);
QString searchString = "qt-interest=on&search=" + encodedTopic;
articleSearcher.request(header, searchString.utf8());
}
}
void ArchiveDialog::searchDone( bool error )
{
if (error) {
QMessageBox::critical(this, "Error searching",
"An error occurred when searching: "
+ articleSearcher.errorString(),
QMessageBox::Ok, QMessageBox::NoButton);
} else {
QString result(articleSearcher.readAll());
QRegExp rx("<a href=\"(http://lists\\.trolltech\\.com/qt-interest/.*)\">(.*)</a>");
rx.setMinimal(TRUE);
int pos = 0;
while (pos >= 0) {
pos = rx.search(result, pos);
if (pos > -1) {
pos += rx.matchedLength();
new QListViewItem(myListView, rx.cap(2), rx.cap(1));
}
}
}
QApplication::restoreOverrideCursor();
}
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