Qnx: Save BlackBerry user configurations

* Add a bbndkconfigurations.xml file to store BlackBerry user configurations
* Save both manual and auto detected user configurations
* Mark invalid configurations in the BlackBerry settings widget
* Provide a cleanup user action to clear invalid configurations

Task-number: QTCREATORBUG-11004

Change-Id: Ibb29aa5010317f62233865d42d6ca4ae3afa0de3
Reviewed-by: David Kaspar <[email protected]>
Reviewed-by: Tobias Hunger <[email protected]>

10 files changed, 217 insertions, 139 deletions

diff --git a/src/plugins/qnx/blackberryconfiguration.cpp b/src/plugins/qnx/blackberryconfiguration.cpp
index 83b47dedadd..2213faca0ba 100644
--- a/src/plugins/qnx/blackberryconfiguration.cpp
+++ b/src/plugins/qnx/blackberryconfiguration.cpp
@@ -65,8 +65,16 @@ using namespace Debugger;
 namespace Qnx {
 namespace Internal {
 
+const QLatin1String NDKEnvFileKey("NDKEnvFile");
+const QLatin1String NDKPathKey("NDKPath");
+const QLatin1String NDKDisplayNameKey("NDKDisplayName");
+const QLatin1String NDKTargetKey("NDKTarget");
+const QLatin1String NDKHostKey("NDKHost");
+const QLatin1String NDKVersionKey("NDKVersion");
+const QLatin1String NDKAutoDetectionSourceKey("NDKAutoDetectionSource");
+const QLatin1String NDKAutoDetectedKey("NDKAutoDetectedKey");
+
 BlackBerryConfiguration::BlackBerryConfiguration(const NdkInstallInformation &ndkInstallInfo)
-    : m_isAutoDetected(true)
 {
     QString envFilePath = QnxUtils::envFilePath(ndkInstallInfo.path, ndkInstallInfo.version);
     QTC_ASSERT(!envFilePath.isEmpty(), return);
@@ -79,11 +87,12 @@ BlackBerryConfiguration::BlackBerryConfiguration(const NdkInstallInformation &nd
     m_qnxHost = ndkInstallInfo.host;
     m_sysRoot = FileName::fromString(ndkInstallInfo.target);
     m_version = BlackBerryVersionNumber(ndkInstallInfo.version);
+    m_autoDetectionSource = Utils::FileName::fromString(ndkInstallInfo.installationXmlFilePath);
     ctor();
 }
 
 BlackBerryConfiguration::BlackBerryConfiguration(const FileName &ndkEnvFile)
-    : m_isAutoDetected(false)
+    : m_autoDetectionSource(Utils::FileName())
 {
     QTC_ASSERT(!QFileInfo(ndkEnvFile.toString()).isDir(), return);
     m_ndkEnvFile = ndkEnvFile;
@@ -115,6 +124,25 @@ BlackBerryConfiguration::BlackBerryConfiguration(const FileName &ndkEnvFile)
     ctor();
 }
 
+BlackBerryConfiguration::BlackBerryConfiguration(const QVariantMap &data)
+{
+    QString envFilePath = data.value(NDKEnvFileKey).toString();
+    QTC_ASSERT(!envFilePath.isEmpty(), return);
+    m_ndkEnvFile = Utils::FileName::fromString(envFilePath);
+    m_displayName = data.value(NDKDisplayNameKey).toString();
+    m_qnxEnv = QnxUtils::qnxEnvironmentFromNdkFile(m_ndkEnvFile.toString());
+    QString sep = QString::fromLatin1("/qnx6");
+    // The QNX_TARGET value is using Unix-like separator on all platforms.
+    m_targetName = data.value(NDKTargetKey).toString().split(sep).first().split(QLatin1Char('/')).last();
+    m_qnxHost = data.value(NDKHostKey).toString();
+    m_sysRoot = FileName::fromString(data.value(NDKTargetKey).toString());
+    m_version = BlackBerryVersionNumber(data.value(NDKVersionKey).toString());
+    if (data.value(QLatin1String(NDKAutoDetectedKey)).toBool())
+        m_autoDetectionSource = Utils::FileName::fromString(data.value(NDKAutoDetectionSourceKey).toString());
+
+    ctor();
+}
+
 void BlackBerryConfiguration::ctor()
 {
     FileName qmake4Path = QnxUtils::executableWithExtension(FileName::fromString(m_qnxHost + QLatin1String("/usr/bin/qmake")));
@@ -166,7 +194,12 @@ BlackBerryVersionNumber BlackBerryConfiguration::version() const
 
 bool BlackBerryConfiguration::isAutoDetected() const
 {
-    return m_isAutoDetected;
+    return !m_autoDetectionSource.isEmpty();
+}
+
+Utils::FileName BlackBerryConfiguration::autoDetectionSource() const
+{
+    return m_autoDetectionSource;
 }
 
 bool BlackBerryConfiguration::isActive() const
@@ -182,8 +215,11 @@ bool BlackBerryConfiguration::isActive() const
 
 bool BlackBerryConfiguration::isValid() const
 {
-    return !((m_qmake4BinaryFile.isEmpty() && m_qmake5BinaryFile.isEmpty()) || m_gccCompiler.isEmpty()
-            || m_deviceDebugger.isEmpty() || m_simulatorDebugger.isEmpty());
+    return ((!m_qmake4BinaryFile.isEmpty() || !m_qmake5BinaryFile.isEmpty()) && !m_gccCompiler.isEmpty()
+             && !m_deviceDebugger.isEmpty() && !m_simulatorDebugger.isEmpty()
+             && m_ndkEnvFile.toFileInfo().exists() && (m_autoDetectionSource.isEmpty() ||
+                                                       m_autoDetectionSource.toFileInfo().exists())
+             && m_sysRoot.toFileInfo().exists());
 }
 
 FileName BlackBerryConfiguration::ndkEnvFile() const
@@ -226,6 +262,20 @@ QList<Utils::EnvironmentItem> BlackBerryConfiguration::qnxEnv() const
     return m_qnxEnv;
 }
 
+QVariantMap BlackBerryConfiguration::toMap() const
+{
+    QVariantMap data;
+    data.insert(QLatin1String(NDKEnvFileKey), m_ndkEnvFile.toString());
+    data.insert(QLatin1String(NDKDisplayNameKey), m_displayName);
+    data.insert(QLatin1String(NDKPathKey), ndkPath());
+    data.insert(QLatin1String(NDKTargetKey), m_sysRoot.toString());
+    data.insert(QLatin1String(NDKHostKey), m_qnxHost);
+    data.insert(QLatin1String(NDKVersionKey), m_version.toString());
+    data.insert(QLatin1String(NDKAutoDetectionSourceKey), m_autoDetectionSource.toString());
+    data.insert(QLatin1String(NDKAutoDetectedKey), isAutoDetected());
+    return data;
+}
+
 QnxAbstractQtVersion *BlackBerryConfiguration::createQtVersion(
         const FileName &qmakePath, Qnx::QnxArchitecture arch, const QString &versionName)
 {
@@ -302,7 +352,7 @@ Kit *BlackBerryConfiguration::createKit(
 bool BlackBerryConfiguration::activate()
 {
     if (!isValid()) {
-        if (m_isAutoDetected)
+        if (!m_autoDetectionSource.isEmpty())
             return false;
 
         QString errorMessage = tr("The following errors occurred while activating target: %1").arg(m_targetName);
diff --git a/src/plugins/qnx/blackberryconfiguration.h b/src/plugins/qnx/blackberryconfiguration.h
index 275c7d71f93..da5f50d3de6 100644
--- a/src/plugins/qnx/blackberryconfiguration.h
+++ b/src/plugins/qnx/blackberryconfiguration.h
@@ -64,6 +64,7 @@ class BlackBerryConfiguration
 public:
     BlackBerryConfiguration(const NdkInstallInformation &ndkInstallInfo);
     BlackBerryConfiguration(const Utils::FileName &ndkEnvFile);
+    BlackBerryConfiguration(const QVariantMap &data);
     bool activate();
     void deactivate();
     QString ndkPath() const;
@@ -72,6 +73,7 @@ public:
     QString qnxHost() const;
     BlackBerryVersionNumber version() const;
     bool isAutoDetected() const;
+    Utils::FileName autoDetectionSource() const;
     bool isActive() const;
     bool isValid() const;
     Utils::FileName ndkEnvFile() const;
@@ -82,13 +84,14 @@ public:
     Utils::FileName simulatorDebuger() const;
     Utils::FileName sysRoot() const;
     QList<Utils::EnvironmentItem> qnxEnv() const;
+    QVariantMap toMap() const;
 
 private:
     QString m_displayName;
     QString m_targetName;
     QString m_qnxHost;
-    bool m_isAutoDetected;
     BlackBerryVersionNumber m_version;
+    Utils::FileName m_autoDetectionSource;
     Utils::FileName m_ndkEnvFile;
     Utils::FileName m_qmake4BinaryFile;
     Utils::FileName m_qmake5BinaryFile;
@@ -99,6 +102,7 @@ private:
     QList<Utils::EnvironmentItem> m_qnxEnv;
 
     void ctor();
+
     QnxAbstractQtVersion* createQtVersion(
             const Utils::FileName &qmakePath, Qnx::QnxArchitecture arch, const QString &versionName);
     QnxToolChain* createToolChain(
diff --git a/src/plugins/qnx/blackberryconfigurationmanager.cpp b/src/plugins/qnx/blackberryconfigurationmanager.cpp
index 8a98a49a966..6f0e1806763 100644
--- a/src/plugins/qnx/blackberryconfigurationmanager.cpp
+++ b/src/plugins/qnx/blackberryconfigurationmanager.cpp
@@ -67,6 +67,15 @@ const QLatin1String NDKEnvFileKey("NDKEnvFile");
 const QLatin1String ManualNDKsGroup("ManualNDKs");
 const QLatin1String ActiveNDKsGroup("ActiveNDKs");
 const QLatin1String DefaultApiLevelKey("DefaultApiLevel");
+const QLatin1String BBConfigsFileVersionKey("Version");
+const QLatin1String BBConfigDataKey("BBConfiguration.");
+const QLatin1String BBConfigCountKey("BBConfiguration.Count");
+}
+
+static Utils::FileName bbConfigSettingsFileName()
+{
+    return Utils::FileName::fromString(Core::ICore::userResourcePath() + QLatin1String("/qnx/")
+                                + QLatin1String(Constants::QNX_BLACKBERRY_CONFIGS_FILENAME));
 }
 
 static bool sortConfigurationsByVersion(const BlackBerryConfiguration *a, const BlackBerryConfiguration *b)
@@ -78,9 +87,50 @@ BlackBerryConfigurationManager::BlackBerryConfigurationManager(QObject *parent)
     : QObject(parent),
     m_defaultApiLevel(0)
 {
+    m_writer = new Utils::PersistentSettingsWriter(bbConfigSettingsFileName(),
+                                                   QLatin1String("BlackBerryConfigurations"));
     connect(Core::ICore::instance(), SIGNAL(saveSettingsRequested()), this, SLOT(saveSettings()));
 }
 
+void BlackBerryConfigurationManager::saveConfigurations()
+{
+    QTC_ASSERT(m_writer, return);
+    QVariantMap data;
+    data.insert(QLatin1String(BBConfigsFileVersionKey), 1);
+    int count = 0;
+    foreach (BlackBerryConfiguration *config, m_configs) {
+        QVariantMap tmp = config->toMap();
+        if (tmp.isEmpty())
+            continue;
+
+        data.insert(BBConfigDataKey + QString::number(count), tmp);
+        ++count;
+    }
+
+    data.insert(QLatin1String(BBConfigCountKey), count);
+    m_writer->save(data, Core::ICore::mainWindow());
+}
+
+void BlackBerryConfigurationManager::restoreConfigurations()
+{
+    Utils::PersistentSettingsReader reader;
+    if (!reader.load(bbConfigSettingsFileName()))
+        return;
+
+    QVariantMap data = reader.restoreValues();
+    int count = data.value(BBConfigCountKey, 0).toInt();
+    for (int i = 0; i < count; ++i) {
+        const QString key = BBConfigDataKey + QString::number(i);
+        if (!data.contains(key))
+            continue;
+
+        const QVariantMap dMap = data.value(key).toMap();
+        insertByVersion(new BlackBerryConfiguration(dMap));
+    }
+}
+
+// Backward compatibility: Read existing entries in the ManualNDKsGroup
+// and then remove the group since not used.
 void BlackBerryConfigurationManager::loadManualConfigurations()
 {
     QSettings *settings = Core::ICore::settings();
@@ -107,6 +157,7 @@ void BlackBerryConfigurationManager::loadManualConfigurations()
     }
 
     settings->endGroup();
+    settings->remove(ManualNDKsGroup);
     settings->endGroup();
 }
 
@@ -142,25 +193,13 @@ void BlackBerryConfigurationManager::loadDefaultApiLevel()
 
 void BlackBerryConfigurationManager::loadAutoDetectedConfigurations()
 {
-    QStringList activePaths = activeConfigurationNdkEnvPaths();
     foreach (const NdkInstallInformation &ndkInfo, QnxUtils::installedNdks()) {
         BlackBerryConfiguration *config = new BlackBerryConfiguration(ndkInfo);
         if (!addConfiguration(config)) {
             delete config;
             continue;
         }
-
-        // Activate targets
-        foreach (const QString activeNdkEnvPath, activePaths) {
-            if (config->ndkEnvFile().toString() == activeNdkEnvPath)
-                config->activate();
-        }
     }
-
-    // If no target was/is activated, activate one since it's needed by
-    // device connection and CSK code.
-    if (activeConfigurations().isEmpty() && !m_configs.isEmpty())
-        m_configs.first()->activate();
 }
 
 void BlackBerryConfigurationManager::setDefaultApiLevel(BlackBerryConfiguration *config)
@@ -175,45 +214,6 @@ void BlackBerryConfigurationManager::setDefaultApiLevel(BlackBerryConfiguration
     m_defaultApiLevel = config;
 }
 
-QStringList BlackBerryConfigurationManager::activeConfigurationNdkEnvPaths()
-{
-    QStringList actives;
-    QSettings *settings = Core::ICore::settings();
-
-    settings->beginGroup(SettingsGroup);
-    settings->beginGroup(ActiveNDKsGroup);
-
-    foreach (const QString &activeNdkEnvPath, settings->childGroups()) {
-        settings->beginGroup(activeNdkEnvPath);
-        actives.append(settings->value(NDKEnvFileKey).toString());
-        settings->endGroup();
-    }
-
-    settings->endGroup();
-    settings->endGroup();
-
-    return actives;
-}
-
-void BlackBerryConfigurationManager::saveManualConfigurations()
-{
-    if (manualConfigurations().isEmpty())
-        return;
-
-    QSettings *settings = Core::ICore::settings();
-    settings->beginGroup(SettingsGroup);
-    settings->beginGroup(ManualNDKsGroup);
-
-    foreach (BlackBerryConfiguration *config, manualConfigurations()) {
-        settings->beginGroup(config->displayName());
-        settings->setValue(NDKEnvFileKey, config->ndkEnvFile().toString());
-        settings->endGroup();
-    }
-
-    settings->endGroup();
-    settings->endGroup();
-}
-
 void BlackBerryConfigurationManager::saveDefaultApiLevel()
 {
     if (!m_defaultApiLevel)
@@ -225,51 +225,6 @@ void BlackBerryConfigurationManager::saveDefaultApiLevel()
     settings->endGroup();
 }
 
-void BlackBerryConfigurationManager::saveActiveConfigurationNdkEnvPath()
-{
-    if (activeConfigurations().isEmpty())
-        return;
-
-    QSettings *settings = Core::ICore::settings();
-    settings->beginGroup(SettingsGroup);
-    settings->beginGroup(ActiveNDKsGroup);
-
-    settings->remove(QString());
-
-    foreach (BlackBerryConfiguration *config, activeConfigurations()) {
-        settings->beginGroup(config->displayName());
-        settings->setValue(NDKEnvFileKey, config->ndkEnvFile().toString());
-        settings->endGroup();
-    }
-
-    settings->endGroup();
-    settings->endGroup();
-}
-
-// Remove no longer available/valid 'auto detected' BlackBerry kits and qt versions
-void BlackBerryConfigurationManager::clearInvalidConfigurations()
-{
-    // Deregister invalid auto deteted BlackBerry Kits
-    foreach (Kit *kit, KitManager::kits()) {
-        if (!kit->isAutoDetected())
-            continue;
-
-        if (DeviceTypeKitInformation::deviceTypeId(kit) == Constants::QNX_BB_OS_TYPE
-                && !kit->isValid())
-        KitManager::deregisterKit(kit);
-    }
-
-    // Remove invalid auto detected BlackBerry qtVerions
-    foreach (QtSupport::BaseQtVersion *qtVersion, QtSupport::QtVersionManager::versions()) {
-        if (!qtVersion->isAutodetected())
-            continue;
-
-        if (qtVersion->platformName() == QLatin1String(Constants::QNX_BB_PLATFORM_NAME)
-                && !qtVersion->isValid())
-           QtSupport::QtVersionManager::removeVersion(qtVersion);
-    }
-}
-
 void BlackBerryConfigurationManager::setKitsAutoDetectionSource()
 {
     foreach (Kit *kit, KitManager::kits()) {
@@ -287,6 +242,13 @@ void BlackBerryConfigurationManager::setKitsAutoDetectionSource()
     }
 }
 
+void BlackBerryConfigurationManager::insertByVersion(BlackBerryConfiguration *config)
+{
+    QList<BlackBerryConfiguration *>::iterator it = qLowerBound(m_configs.begin(), m_configs.end(),
+                                                                config, &sortConfigurationsByVersion);
+    m_configs.insert(it, config);
+}
+
 // Switch to QnxToolchain for exisintg configuration using GccToolChain
 void BlackBerryConfigurationManager::checkToolChainConfiguration()
 {
@@ -308,8 +270,7 @@ void BlackBerryConfigurationManager::checkToolChainConfiguration()
 bool BlackBerryConfigurationManager::addConfiguration(BlackBerryConfiguration *config)
 {
     foreach (BlackBerryConfiguration *c, m_configs) {
-        if (c->ndkPath() == config->ndkPath()
-                && c->targetName() == config->targetName()) {
+        if (config->ndkEnvFile() == c->ndkEnvFile()) {
             if (!config->isAutoDetected())
                 QMessageBox::warning(Core::ICore::mainWindow(), tr("NDK Already Known"),
                                  tr("The NDK already has a configuration."), QMessageBox::Ok);
@@ -318,9 +279,7 @@ bool BlackBerryConfigurationManager::addConfiguration(BlackBerryConfiguration *c
     }
 
     if (config->isValid()) {
-        QList<BlackBerryConfiguration *>::iterator it = qLowerBound(m_configs.begin(), m_configs.end(),
-                                                                    config, &sortConfigurationsByVersion);
-        m_configs.insert(it, config);
+        insertByVersion(config);
         return true;
     }
 
@@ -335,8 +294,6 @@ void BlackBerryConfigurationManager::removeConfiguration(BlackBerryConfiguration
     if (config->isActive())
         config->deactivate();
 
-    clearConfigurationSettings(config);
-
     m_configs.removeAt(m_configs.indexOf(config));
 
     if (m_defaultApiLevel == config) {
@@ -409,39 +366,25 @@ void BlackBerryConfigurationManager::loadSettings()
     // Backward compatibility: Set kit's auto detection source
     // for existing BlackBerry kits that do not have it set yet.
     setKitsAutoDetectionSource();
-    clearInvalidConfigurations();
-    loadAutoDetectedConfigurations();
+
+    restoreConfigurations();
+    // For backward compatibility
     loadManualConfigurations();
+    loadAutoDetectedConfigurations();
     loadDefaultApiLevel();
     checkToolChainConfiguration();
 
-    emit settingsLoaded();
-}
-
-void BlackBerryConfigurationManager::clearConfigurationSettings(BlackBerryConfiguration *config)
-{
-    if (!config)
-        return;
-
-    QSettings *settings = Core::ICore::settings();
-    settings->beginGroup(SettingsGroup);
-    settings->beginGroup(ManualNDKsGroup);
-
-    foreach (const QString &manualNdk, settings->childGroups()) {
-        if (manualNdk == config->displayName()) {
-            settings->remove(manualNdk);
-            break;
-        }
-    }
+    // If no target was/is activated, activate one since it's needed by
+    // device connection and CSK code.
+    if (activeConfigurations().isEmpty() && !m_configs.isEmpty())
+        m_configs.first()->activate();
 
-    settings->endGroup();
-    settings->endGroup();
+    emit settingsLoaded();
 }
 
 void BlackBerryConfigurationManager::saveSettings()
 {
-    saveActiveConfigurationNdkEnvPath();
-    saveManualConfigurations();
+    saveConfigurations();
     saveDefaultApiLevel();
 }
 
diff --git a/src/plugins/qnx/blackberryconfigurationmanager.h b/src/plugins/qnx/blackberryconfigurationmanager.h
index 1b9effa07cc..646b631b385 100644
--- a/src/plugins/qnx/blackberryconfigurationmanager.h
+++ b/src/plugins/qnx/blackberryconfigurationmanager.h
@@ -38,6 +38,8 @@
 #include <QSettings>
 #include <QObject>
 
+namespace Utils { class PersistentSettingsWriter; }
+
 namespace Qnx {
 namespace Internal {
 
@@ -81,17 +83,21 @@ signals:
 private:
     BlackBerryConfigurationManager(QObject *parent = 0);
     QList<BlackBerryConfiguration*> m_configs;
+
     BlackBerryConfiguration *m_defaultApiLevel;
 
-    void loadManualConfigurations();
     void loadDefaultApiLevel();
-    void saveManualConfigurations();
     void saveDefaultApiLevel();
-    void saveActiveConfigurationNdkEnvPath();
-    void clearInvalidConfigurations();
+
+    Utils::PersistentSettingsWriter *m_writer;
+
+    void saveConfigurations();
+    void restoreConfigurations();
+
+    void loadManualConfigurations();
     void setKitsAutoDetectionSource();
 
-    QStringList activeConfigurationNdkEnvPaths();
+    void insertByVersion(BlackBerryConfiguration* config);
 };
 
 } // namespace Internal
diff --git a/src/plugins/qnx/blackberryndksettingswidget.cpp b/src/plugins/qnx/blackberryndksettingswidget.cpp
index a9c8d9741af..a30a988bc9f 100644
--- a/src/plugins/qnx/blackberryndksettingswidget.cpp
+++ b/src/plugins/qnx/blackberryndksettingswidget.cpp
@@ -51,6 +51,8 @@
 namespace Qnx {
 namespace Internal {
 
+static QIcon invalidConfigIcon(QLatin1String(":/projectexplorer/images/compile_error.png"));
+
 BlackBerryNDKSettingsWidget::BlackBerryNDKSettingsWidget(QWidget *parent) :
     QWidget(parent),
     m_ui(new Ui_BlackBerryNDKSettingsWidget),
@@ -86,6 +88,7 @@ BlackBerryNDKSettingsWidget::BlackBerryNDKSettingsWidget(QWidget *parent) :
     connect(m_ui->removeNdkButton, SIGNAL(clicked()), this, SLOT(removeNdkTarget()));
     connect(m_ui->activateNdkTargetButton, SIGNAL(clicked()), this, SLOT(activateNdkTarget()));
     connect(m_ui->deactivateNdkTargetButton, SIGNAL(clicked()), this, SLOT(deactivateNdkTarget()));
+    connect(m_ui->cleanUpButton, SIGNAL(clicked()), this, SLOT(cleanUp()));
     connect(m_ui->ndksTreeWidget, SIGNAL(currentItemChanged(QTreeWidgetItem*,QTreeWidgetItem*)), this, SLOT(updateInfoTable(QTreeWidgetItem*)));
     connect(m_ui->apiLevelCombo, SIGNAL(currentIndexChanged(int)), this, SLOT(setDefaultApiLevel(int)));
 
@@ -155,6 +158,7 @@ void BlackBerryNDKSettingsWidget::updateNdkList()
     qDeleteAll(m_autoDetectedNdks->takeChildren());
     qDeleteAll(m_manualNdks->takeChildren());
 
+    bool enableCleanUp = false;
     foreach (BlackBerryConfiguration *config, m_bbConfigManager->configurations()) {
         QTreeWidgetItem *parent = config->isAutoDetected() ? m_autoDetectedNdks : m_manualNdks;
         QTreeWidgetItem *item = new QTreeWidgetItem(parent);
@@ -164,9 +168,36 @@ void BlackBerryNDKSettingsWidget::updateNdkList()
         font.setBold(config->isActive() || m_activatedTargets.contains(config));
         item->setFont(0, font);
         item->setFont(1, font);
+        item->setIcon(0, config->isValid() ? QIcon() : invalidConfigIcon);
+        // TODO: Do the same if qmake, qcc, debugger are no longer detected...
+        if (!config->isValid()) {
+            QString toolTip = tr("Invalid target %1: ").arg(config->targetName());
+            if (config->isAutoDetected() && !config->autoDetectionSource().toFileInfo().exists())
+                toolTip += QLatin1Char('\n') + tr("- Target no longer installed.");
+
+            if (!config->ndkEnvFile().toFileInfo().exists())
+                toolTip += QLatin1Char('\n') + tr("- No NDK environment file found.");
+
+            if (config->qmake4BinaryFile().isEmpty()
+                    && config->qmake5BinaryFile().isEmpty())
+                toolTip += QLatin1Char('\n') + tr("- No Qt version found.");
+
+            if (config->gccCompiler().isEmpty())
+                toolTip += QLatin1Char('\n') + tr("- No compiler found.");
+
+            if (config->deviceDebuger().isEmpty())
+                toolTip += QLatin1Char('\n') + tr("- No debugger found for device.");
+
+            if (config->simulatorDebuger().isEmpty())
+                toolTip += QLatin1Char('\n') + tr("- No debugger found for simulator.");
+
+            item->setToolTip(0, toolTip);
+            enableCleanUp = true;
+        }
     }
 
     m_ui->ndksTreeWidget->setCurrentItem(m_autoDetectedNdks->child(0));
+    m_ui->cleanUpButton->setEnabled(enableCleanUp);
 }
 
 void BlackBerryNDKSettingsWidget::addNdkTarget()
@@ -276,6 +307,19 @@ void BlackBerryNDKSettingsWidget::uninstallNdkTarget()
         launchBlackBerryInstallerWizard(BlackBerryInstallerDataHandler::UninstallMode, m_ui->versionLabel->text());
 }
 
+void BlackBerryNDKSettingsWidget::cleanUp()
+{
+    foreach (BlackBerryConfiguration *config, m_bbConfigManager->configurations()) {
+        if (!config->isValid()) {
+            m_activatedTargets.removeOne(config);
+            m_deactivatedTargets.removeOne(config);
+            m_bbConfigManager->removeConfiguration(config);
+        }
+    }
+
+    updateNdkList();
+}
+
 void BlackBerryNDKSettingsWidget::handleInstallationFinished()
 {
     m_bbConfigManager->loadAutoDetectedConfigurations();
diff --git a/src/plugins/qnx/blackberryndksettingswidget.h b/src/plugins/qnx/blackberryndksettingswidget.h
index 1108a789ba9..494eb8aeedc 100644
--- a/src/plugins/qnx/blackberryndksettingswidget.h
+++ b/src/plugins/qnx/blackberryndksettingswidget.h
@@ -75,6 +75,7 @@ public slots:
     void activateNdkTarget();
     void deactivateNdkTarget();
     void uninstallNdkTarget();
+    void cleanUp();
     void handleInstallationFinished();
     void handleUninstallationFinished();
     void updateUi(QTreeWidgetItem* item, BlackBerryConfiguration* config);
diff --git a/src/plugins/qnx/blackberryndksettingswidget.ui b/src/plugins/qnx/blackberryndksettingswidget.ui
index 441593f080e..c142b583682 100644
--- a/src/plugins/qnx/blackberryndksettingswidget.ui
+++ b/src/plugins/qnx/blackberryndksettingswidget.ui
@@ -230,6 +230,29 @@
         </widget>
        </item>
        <item>
+        <spacer name="verticalSpacer_3">
+         <property name="orientation">
+          <enum>Qt::Vertical</enum>
+         </property>
+         <property name="sizeType">
+          <enum>QSizePolicy::Fixed</enum>
+         </property>
+         <property name="sizeHint" stdset="0">
+          <size>
+           <width>13</width>
+           <height>20</height>
+          </size>
+         </property>
+        </spacer>
+       </item>
+       <item>
+        <widget class="QPushButton" name="cleanUpButton">
+         <property name="text">
+          <string>Clean Up</string>
+         </property>
+        </widget>
+       </item>
+       <item>
         <spacer name="verticalSpacer">
          <property name="orientation">
           <enum>Qt::Vertical</enum>
diff --git a/src/plugins/qnx/qnxconstants.h b/src/plugins/qnx/qnxconstants.h
index cdddeb8ae23..62366b99ab6 100644
--- a/src/plugins/qnx/qnxconstants.h
+++ b/src/plugins/qnx/qnxconstants.h
@@ -113,6 +113,8 @@ const char QNX_BLACKBERRY_DEPLOY_CMD[] = "blackberry-deploy";
 
 const char QNX_BLACKBERRY_CASCADESIMPORTER_VERSION[] = "0.0.1";
 
+const char QNX_BLACKBERRY_CONFIGS_FILENAME[] = "bbndkconfigurations.xml";
+
 } // namespace Constants
 } // namespace Qnx
 
diff --git a/src/plugins/qnx/qnxutils.cpp b/src/plugins/qnx/qnxutils.cpp
index 5d26da2008c..a56f909669f 100644
--- a/src/plugins/qnx/qnxutils.cpp
+++ b/src/plugins/qnx/qnxutils.cpp
@@ -258,6 +258,7 @@ QList<NdkInstallInformation> QnxUtils::installedNdks()
             ndkInfo.host = childElt.firstChildElement(QLatin1String("host")).text();
             ndkInfo.target = childElt.firstChildElement(QLatin1String("target")).text();
             ndkInfo.version = childElt.firstChildElement(QLatin1String("version")).text();
+            ndkInfo.installationXmlFilePath = ndkFile.absoluteFilePath();
 
             ndkList.append(ndkInfo);
         }
diff --git a/src/plugins/qnx/qnxutils.h b/src/plugins/qnx/qnxutils.h
index c57e0afb0df..9edae410a03 100644
--- a/src/plugins/qnx/qnxutils.h
+++ b/src/plugins/qnx/qnxutils.h
@@ -54,6 +54,10 @@ public:
     QString host;
     QString target;
     QString version;
+    QString installationXmlFilePath;
+
+    bool isValid() { return !path.isEmpty() && !name.isEmpty() && !host.isEmpty()
+                && !target.isEmpty() && !version.isEmpty() && !installationXmlFilePath.isEmpty(); }
 };
 
 class QnxUtils