pollymc/application/dialogs/UpdateDialog.cpp
2015-04-26 18:33:29 +02:00

187 lines
4.5 KiB
C++

#include "UpdateDialog.h"
#include "ui_UpdateDialog.h"
#include "Platform.h"
#include <QDebug>
#include "MultiMC.h"
#include <settings/SettingsObject.h>
UpdateDialog::UpdateDialog(bool hasUpdate, QWidget *parent) : QDialog(parent), ui(new Ui::UpdateDialog)
{
MultiMCPlatform::fixWM_CLASS(this);
ui->setupUi(this);
auto channel = MMC->settings()->get("UpdateChannel").toString();
if(hasUpdate)
{
ui->label->setText(tr("A new %1 update is available!").arg(channel));
}
else
{
ui->label->setText(tr("No %1 updates found. You are running the latest version.").arg(channel));
ui->btnUpdateNow->setDisabled(true);
ui->btnUpdateOnExit->setDisabled(true);
}
loadChangelog();
}
UpdateDialog::~UpdateDialog()
{
}
void UpdateDialog::loadChangelog()
{
auto channel = MMC->settings()->get("UpdateChannel").toString();
dljob.reset(new NetJob("Changelog"));
auto url = QString("https://raw.githubusercontent.com/MultiMC/MultiMC5/%1/changelog.md").arg(channel);
changelogDownload = ByteArrayDownload::make(QUrl(url));
dljob->addNetAction(changelogDownload);
connect(dljob.get(), &NetJob::succeeded, this, &UpdateDialog::changelogLoaded);
connect(dljob.get(), &NetJob::failed, this, &UpdateDialog::changelogFailed);
dljob->start();
}
// TODO: this will be replaced.
QString reprocessMarkdown(QString markdown)
{
QString htmlData;
QTextStream html(&htmlData);
auto lines = markdown.split(QRegExp("[\r]?[\n]"),QString::KeepEmptyParts);
enum
{
BASE,
LIST1,
LIST2
}state = BASE;
html << "<html>";
int i = 0;
auto procLine = [&](QString line) -> QString
{
// [GitHub issues](https://github.com/MultiMC/MultiMC5/issues)
line.replace(QRegExp("\\[([^\\]]+)\\]\\(([^\\)]+)\\)"), "<a href=\"\\2\">\\1</a>");
return line;
};
for(auto line: lines)
{
if(line.isEmpty())
{
// html << "<br />\n";
}
else switch (state)
{
case BASE:
if(line.startsWith("##"))
{
html << "<h2>" << procLine(line.mid(2)) << "</h2>\n";
}
else if(line.startsWith("#"))
{
html << "<h1>" << procLine(line.mid(1)) << "</h1>\n";
}
else if(line.startsWith("- "))
{
state = LIST1;
html << "<ul>\n";
html << "<li>" << procLine(line.mid(2)) << "</li>\n";
}
else qCritical() << "Invalid input on line " << i << ": " << line;
break;
case LIST1:
if(line.startsWith("##"))
{
state = BASE;
html << "</ul>\n";
html << "<h2>" << procLine(line.mid(2)) << "</h2>\n";
}
else if(line.startsWith("#"))
{
state = BASE;
html << "</ul>\n";
html << "<h1>" << procLine(line.mid(1)) << "</h1>\n";
}
else if(line.startsWith("- "))
{
html << "<li>" << procLine(line.mid(2)) << "</li>\n";
}
else if(line.startsWith(" - "))
{
state = LIST2;
html << "<ul>\n";
html << "<li>" << procLine(line.mid(4)) << "</li>\n";
}
else qCritical() << "Invalid input on line " << i << ": " << line;
break;
case LIST2:
if(line.startsWith("##"))
{
state = BASE;
html << "</ul>\n";
html << "</ul>\n";
html << "<h2>" << procLine(line.mid(2)) << "</h2>\n";
}
else if(line.startsWith("#"))
{
state = BASE;
html << "</ul>\n";
html << "</ul>\n";
html << "<h1>" << procLine(line.mid(1)) << "</h1>\n";
}
else if(line.startsWith("- "))
{
state = LIST1;
html << "</ul>\n";
html << "<li>" << procLine(line.mid(2)) << "</li>\n";
}
else if(line.startsWith(" - "))
{
html << "<li>" << procLine(line.mid(4)) << "</li>\n";
}
else qCritical() << "Invalid input on line " << i << ": " << line;
break;
}
i++;
}
if(state == LIST2)
{
html << "</ul>\n";
state = LIST1;
}
if(state == LIST1)
{
html << "</ul>\n";
state = BASE;
}
if (state != BASE)
{
qCritical() << "Reprocessing markdown didn't end in a final state!";
}
html << "</html>\n";
qDebug() << htmlData;
return htmlData;
}
void UpdateDialog::changelogLoaded()
{
auto rawMarkdown = QString::fromUtf8(changelogDownload->m_data);
auto html = reprocessMarkdown(rawMarkdown);
ui->changelogBrowser->setHtml(html);
}
void UpdateDialog::changelogFailed(QString reason)
{
ui->changelogBrowser->setHtml(tr("<p align=\"center\" <span style=\"font-size:22pt;\">Failed to fetch changelog... Error: %1</span></p>").arg(reason));
}
void UpdateDialog::on_btnUpdateLater_clicked()
{
reject();
}
void UpdateDialog::on_btnUpdateNow_clicked()
{
done(UPDATE_NOW);
}
void UpdateDialog::on_btnUpdateOnExit_clicked()
{
done(UPDATE_ONEXIT);
}