diff -r ddf020d0941a -r fdfc01419815 QTfrontend/ui/page/pagetraining.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/QTfrontend/ui/page/pagetraining.cpp	Wed Sep 28 19:27:56 2011 +0200
@@ -0,0 +1,234 @@
+/*
+ * Hedgewars, a free turn based strategy game
+ * Copyright (c) 2006-2011 Andrey Korotaev <unC0Rr@gmail.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
+ */
+
+#include <QGridLayout>
+#include <QVBoxLayout>
+#include <QLabel>
+#include <QListWidget>
+#include <QListWidgetItem>
+#include <QPushButton>
+
+#include <QFile>
+#include <QLocale>
+#include <QSettings>
+
+#include "pagetraining.h"
+#include "hwconsts.h"
+
+QLayout * PageTraining::bodyLayoutDefinition()
+{
+    QGridLayout * pageLayout = new QGridLayout();
+
+// left column
+
+    // declare start button, caption and description
+    btnPreview = formattedButton(":/res/Trainings.png", true);
+    btnPreview->setToolTip(QPushButton::tr("Go!"));
+
+    // make both rows equal height
+    pageLayout->setRowStretch(0, 1);
+    pageLayout->setRowStretch(1, 1);
+
+    // add start button, caption and description to 3 different rows
+    pageLayout->addWidget(btnPreview, 0, 0);
+
+    // center preview
+    pageLayout->setAlignment(btnPreview, Qt::AlignRight | Qt::AlignVCenter);
+
+
+// right column
+
+    // info area (caption on top, description below)
+    QVBoxLayout * infoLayout = new QVBoxLayout();
+
+    lblCaption = new QLabel();
+    lblCaption->setMinimumWidth(360);
+    lblCaption->setAlignment(Qt::AlignHCenter | Qt::AlignBottom);
+    lblCaption->setWordWrap(true);
+    lblDescription = new QLabel();
+    lblDescription->setMinimumWidth(360);
+    lblDescription->setAlignment(Qt::AlignHCenter | Qt::AlignTop);
+    lblDescription->setWordWrap(true);
+
+    infoLayout->addWidget(lblCaption);
+    infoLayout->addWidget(lblDescription);
+
+    pageLayout->addLayout(infoLayout, 0, 1);
+    pageLayout->setAlignment(infoLayout, Qt::AlignLeft);
+
+
+    // mission list
+    lstMissions = new QListWidget(this);
+    pageLayout->addWidget(lstMissions, 1, 0, 1, 2); // span 2 columns
+
+    // let's not make the list use more space than needed
+    lstMissions->setFixedWidth(360);
+    pageLayout->setAlignment(lstMissions, Qt::AlignHCenter);
+
+    return pageLayout;
+}
+
+QLayout * PageTraining::footerLayoutDefinition()
+{
+    QBoxLayout * bottomLayout = new QVBoxLayout();
+
+    btnStart = formattedButton(QPushButton::tr("Go!"));
+    btnStart->setFixedWidth(140);
+
+    bottomLayout->addWidget(btnStart);
+
+    bottomLayout->setAlignment(btnStart, Qt::AlignRight | Qt::AlignVCenter);
+
+    return bottomLayout;
+}
+
+
+void PageTraining::connectSignals()
+{
+    connect(lstMissions, SIGNAL(currentItemChanged(QListWidgetItem*, QListWidgetItem*)), this, SLOT(updateInfo()));
+    connect(lstMissions, SIGNAL(clicked()), this, SLOT(updateInfo()));
+    connect(lstMissions, SIGNAL(itemDoubleClicked(QListWidgetItem*)), this, SLOT(startSelected()));
+    connect(btnPreview, SIGNAL(clicked()), this, SLOT(startSelected()));
+    connect(btnStart, SIGNAL(clicked()), this, SLOT(startSelected()));
+}
+
+
+PageTraining::PageTraining(QWidget* parent) : AbstractPage(parent)
+{
+    initPage();
+
+    // get locale
+    QSettings settings(cfgdir->absolutePath() + "/hedgewars.ini",
+                       QSettings::IniFormat);
+
+    QString loc = settings.value("misc/locale", "").toString();
+    if (loc.isEmpty())
+        loc = QLocale::system().name();
+
+    QString infoFile = 
+                datadir->absolutePath() + "/Locale/missions_" + loc + ".txt";
+
+    // if file is non-existant try with language only
+    if (!QFile::exists(infoFile))
+        infoFile = datadir->absolutePath() + "/Locale/missions_" + 
+                loc.replace(QRegExp("_.*$"),"") + ".txt";
+
+    // fallback if file for current locale is non-existant
+    if (!QFile::exists(infoFile))
+        infoFile = datadir->absolutePath() + "/Locale/missions_en.txt";
+
+    // preload mission info for current locale
+    m_info = new QSettings(infoFile, QSettings::IniFormat, this);
+
+//  TODO -> this should be done in a tool "DataDir" class
+    QDir tmpdir;
+    tmpdir.cd(cfgdir->absolutePath());
+    tmpdir.cd("Data/Missions/Training");
+    QStringList missionList = scriptList(tmpdir);
+    missionList.sort();
+
+    tmpdir.cd(datadir->absolutePath());
+    tmpdir.cd("Missions/Training");
+    QStringList defaultList = scriptList(tmpdir);
+    defaultList.sort();
+
+    // add non-duplicate default scripts to the list
+    foreach (const QString & mission, defaultList)
+    {
+        if (!missionList.contains(mission))
+            missionList.append(mission);
+    }
+
+    // add default scripts that have names different from detected user scripts
+    foreach (const QString & mission, missionList)
+    {
+        QListWidgetItem * item = new QListWidgetItem(mission);
+
+        // fallback name: replace underscores in mission name with spaces
+        QString name = item->text().replace("_", " ");
+
+        // see if we can get a prettier/translated name
+        name = m_info->value(mission + ".name", name).toString();
+
+        item->setText(name);
+
+        // store original name in data
+        item->setData(Qt::UserRole, mission);
+
+        lstMissions->addItem(item);
+    }
+
+    updateInfo();
+
+    // pre-select first mission
+    if (lstMissions->count() > 0)
+        lstMissions->setCurrentRow(0);
+}
+
+QStringList PageTraining::scriptList(const QDir & scriptDir) const
+{
+    QDir dir = scriptDir;
+    dir.setFilter(QDir::Files);
+    return dir.entryList(QStringList("*.lua")).replaceInStrings(QRegExp("^(.*)\\.lua"), "\\1");
+}
+
+
+void PageTraining::startSelected()
+{
+    QListWidgetItem * curItem = lstMissions->currentItem();
+
+    if (curItem != NULL)
+        emit startMission(curItem->data(Qt::UserRole).toString());
+}
+
+
+void PageTraining::updateInfo()
+{
+    if (lstMissions->currentItem())
+    {
+        // TODO also use .pngs in userdata folder
+        QString thumbFile = datadir->absolutePath() +
+                    "/Graphics/Missions/Training/" +
+                    lstMissions->currentItem()->data(Qt::UserRole).toString() +
+                    ".png";
+
+        if (QFile::exists(thumbFile))
+            btnPreview->setIcon(QIcon(thumbFile));
+        else
+            btnPreview->setIcon(QIcon(":/res/Trainings.png"));
+
+        QString realName = lstMissions->currentItem()->data(
+                           Qt::UserRole).toString();
+
+        QString caption = m_info->value(realName + ".name", 
+                          lstMissions->currentItem()->text()).toString();
+
+        QString description = m_info->value(realName + ".desc",
+                              tr("No description available")).toString();
+
+        lblCaption->setText("<h2>" + caption +"</h2>");
+        lblDescription->setText(description);
+    }
+    else
+    {
+        btnPreview->setIcon(QIcon(":/res/Trainings.png"));
+        lblCaption->setText(tr("Select a mission!"));
+        // TODO better text and tr()
+        lblDescription->setText("");
+    }
+}