VCS: Notify project wizard about config changes

... and have the project wizard update the available VCS.

Task-number: QTCREATORBUG-4423

src/plugins/bazaar/bazaarcontrol.cpp

@@ -177,3 +177,8 @@ void BazaarControl::changed(const QVariant &v)
         break;
     }
 }
+
+void BazaarControl::emitConfigurationChanged()
+{
+    emit configurationChanged();
+}

src/plugins/bazaar/bazaarcontrol.h

@@ -74,6 +74,7 @@ public slots:
     // files changed signals according to the variant's type:
     // String -> repository, StringList -> files
     void changed(const QVariant&);
+    void emitConfigurationChanged();
 
 private:
     BazaarClient *m_bazaarClient;

src/plugins/bazaar/bazaarplugin.cpp

@@ -208,6 +208,7 @@ void BazaarPlugin::setSettings(const BazaarSettings &settings)
         m_bazaarSettings = settings;
         if (userIdChanged)
             client()->synchronousSetUserId();
+        static_cast<BazaarControl *>(versionControl())->emitConfigurationChanged();
     }
 }
 

src/plugins/coreplugin/iversioncontrol.h

@@ -166,6 +166,7 @@ public:
 signals:
     void repositoryChanged(const QString &repository);
     void filesChanged(const QStringList &files);
+    void configurationChanged();
 
     // TODO: ADD A WAY TO DETECT WHETHER A FILE IS MANAGED, e.g
     // virtual bool sccManaged(const QString &filename) = 0;

src/plugins/cvs/cvscontrol.cpp

@@ -158,3 +158,8 @@ void CVSControl::emitFilesChanged(const QStringList &l)
 {
     emit filesChanged(l);
 }
+
+void CVSControl::emitConfigurationChanged()
+{
+    emit configurationChanged();
+}

src/plugins/cvs/cvscontrol.h

@@ -67,6 +67,7 @@ public:
 
     void emitRepositoryChanged(const QString &s);
     void emitFilesChanged(const QStringList &l);
+    void emitConfigurationChanged();
 
 private:
     CVSPlugin *m_plugin;

src/plugins/cvs/cvsplugin.cpp

@@ -1320,6 +1320,7 @@ void CVSPlugin::setSettings(const CVSSettings &s)
         m_settings = s;
         if (QSettings *settings = Core::ICore::instance()->settings())
             m_settings.toSettings(settings);
+        cvsVersionControl()->emitConfigurationChanged();
     }
 }
 

src/plugins/git/gitclient.cpp

@@ -2387,6 +2387,7 @@ void GitClient::setSettings(const GitSettings &s)
         m_binaryPath = m_settings.gitBinaryPath();
         m_cachedGitVersion = 0u;
         m_hasCachedGitVersion = false;
+        m_plugin->gitVersionControl()->emitConfigurationChanged();
     }
 }
 

src/plugins/git/gitversioncontrol.cpp

@@ -247,5 +247,10 @@ void GitVersionControl::emitRepositoryChanged(const QString &r)
     emit repositoryChanged(r);
 }
 
+void GitVersionControl::emitConfigurationChanged()
+{
+    emit configurationChanged();
+}
+
 } // Internal
 } // Git

src/plugins/git/gitversioncontrol.h

@@ -69,6 +69,7 @@ public:
 
     void emitFilesChanged(const QStringList &);
     void emitRepositoryChanged(const QString &);
+    void emitConfigurationChanged();
 
 private:
     GitClient *m_client;

src/plugins/mercurial/mercurialcontrol.cpp

@@ -183,3 +183,8 @@ void MercurialControl::changed(const QVariant &v)
         break;
     }
 }
+
+void MercurialControl::emitConfigurationChanged()
+{
+    emit configurationChanged();
+}

src/plugins/mercurial/mercurialcontrol.h

@@ -75,6 +75,7 @@ public slots:
     // files changed signals according to the variant's type:
     // String -> repository, StringList -> files
     void changed(const QVariant&);
+    void emitConfigurationChanged();
 
 private:
     MercurialClient *mercurialClient;

src/plugins/mercurial/mercurialplugin.cpp

@@ -199,6 +199,7 @@ void MercurialPlugin::setSettings(const MercurialSettings &settings)
 {
     if (settings != mercurialSettings) {
         mercurialSettings = settings;
+        static_cast<MercurialControl *>(versionControl())->emitConfigurationChanged();
     }
 }
 

src/plugins/perforce/perforceplugin.cpp

@@ -1457,6 +1457,7 @@ void PerforcePlugin::setSettings(const Settings &newSettings)
         m_managedDirectoryCache.clear();
         m_settings.toSettings(Core::ICore::instance()->settings());
         getTopLevel();
+        perforceVersionControl()->emitConfigurationChanged();
     }
 }
 

src/plugins/perforce/perforceversioncontrol.cpp

@@ -175,5 +175,10 @@ void PerforceVersionControl::emitFilesChanged(const QStringList &l)
     emit filesChanged(l);
 }
 
+void PerforceVersionControl::emitConfigurationChanged()
+{
+    emit configurationChanged();
+}
+
 } // Internal
 } // Perforce

src/plugins/perforce/perforceversioncontrol.h

@@ -68,6 +68,7 @@ public:
 
     void emitRepositoryChanged(const QString &s);
     void emitFilesChanged(const QStringList &l);
+    void emitConfigurationChanged();
 
 private:
     bool m_enabled;

src/plugins/projectexplorer/projectfilewizardextension.cpp

@@ -169,6 +169,7 @@ struct ProjectWizardContext
     void clear();
 
     QList<Core::IVersionControl*> versionControls;
+    QList<Core::IVersionControl*> activeVersionControls;
     QList<ProjectEntry> projects;
     ProjectWizardPage *page;
     bool repositoryExists; // Is VCS 'add' sufficient, or should a repository be created?
@@ -185,7 +186,7 @@ ProjectWizardContext::ProjectWizardContext() :
 
 void ProjectWizardContext::clear()
 {
-    versionControls.clear();
+    activeVersionControls.clear();
     projects.clear();
     commonDirectory.clear();
     page = 0;
@@ -299,6 +300,13 @@ void ProjectFileWizardExtension::firstExtensionPageShown(
     } else {
         m_context->page->setCurrentProjectIndex(bestProjectIndex + 1);
     }
+
+    // Store all version controls for later use:
+    foreach (Core::IVersionControl *vc, ExtensionSystem::PluginManager::instance()->getObjects<Core::IVersionControl>()) {
+        m_context->versionControls.append(vc);
+        connect(vc, SIGNAL(configurationChanged()), this, SLOT(initializeVersionControlChoices()));
+    }
+
     initializeVersionControlChoices();
 }
 
@@ -308,32 +316,42 @@ void ProjectFileWizardExtension::initializeVersionControlChoices()
     // 1) Directory is managed and VCS supports "Add" -> List it
     // 2) Directory is managed and VCS does not support "Add" -> None available
     // 3) Directory is not managed -> Offer all VCS that support "CreateRepository"
-    m_context->versionControls.clear();
+
+    Core::IVersionControl *currentSelection = 0;
+    int currentIdx = m_context->page->versionControlIndex() - 1;
+    if (currentIdx >= 0 && currentIdx <= m_context->activeVersionControls.size() - 1)
+        currentSelection = m_context->activeVersionControls.at(currentIdx);
+
+    m_context->activeVersionControls.clear();
+
+    QStringList versionControlChoices = QStringList(tr("<None>"));
     if (!m_context->commonDirectory.isEmpty()) {
         Core::IVersionControl *managingControl = Core::ICore::instance()->vcsManager()->findVersionControlForDirectory(m_context->commonDirectory);
         if (managingControl) {
             // Under VCS
             if (managingControl->supportsOperation(Core::IVersionControl::AddOperation)) {
-                m_context->versionControls.push_back(managingControl);
+                m_context->activeVersionControls.push_back(managingControl);
                 m_context->repositoryExists = true;
             }
         } else {
             // Create
-            foreach (Core::IVersionControl *vc, ExtensionSystem::PluginManager::instance()->getObjects<Core::IVersionControl>())
-                if (vc->supportsOperation(Core::IVersionControl::CreateRepositoryOperation))
-                    m_context->versionControls.push_back(vc);
+            foreach (Core::IVersionControl *vc, m_context->versionControls)
+                if (vc->supportsOperation(Core::IVersionControl::CreateRepositoryOperation)) {
+                    versionControlChoices.append(vc->displayName());
+                    m_context->activeVersionControls.append(vc);
+                }
             m_context->repositoryExists = false;
         }
     } // has a common root.
-    // Compile names
-    //: No version control system selected
-    QStringList versionControlChoices = QStringList(tr("<None>"));
-    foreach(const Core::IVersionControl *c, m_context->versionControls)
-        versionControlChoices.push_back(c->displayName());
+
     m_context->page->setVersionControls(versionControlChoices);
     // Enable adding to version control by default.
     if (m_context->repositoryExists && versionControlChoices.size() >= 2)
         m_context->page->setVersionControlIndex(1);
+    if (!m_context->repositoryExists) {
+        int newIdx = m_context->activeVersionControls.indexOf(currentSelection) + 1;
+        m_context->page->setVersionControlIndex(newIdx);
+    }
 }
 
 QList<QWizardPage *> ProjectFileWizardExtension::extensionPages(const Core::IWizard *wizard)
@@ -442,10 +460,10 @@ bool ProjectFileWizardExtension::processVersionControl(const QList<Core::Generat
 {
     // Add files to  version control (Entry at 0 is 'None').
     const int vcsIndex = m_context->page->versionControlIndex() - 1;
-    if (vcsIndex < 0 || vcsIndex >= m_context->versionControls.size())
+    if (vcsIndex < 0 || vcsIndex >= m_context->activeVersionControls.size())
         return true;
     QTC_ASSERT(!m_context->commonDirectory.isEmpty(), return false);
-    Core::IVersionControl *versionControl = m_context->versionControls.at(vcsIndex);
+    Core::IVersionControl *versionControl = m_context->activeVersionControls.at(vcsIndex);
     // Create repository?
     if (!m_context->repositoryExists) {
         QTC_ASSERT(versionControl->supportsOperation(Core::IVersionControl::CreateRepositoryOperation), return false);

src/plugins/projectexplorer/projectfilewizardextension.h

@@ -54,10 +54,10 @@ public:
 
 public slots:
     void firstExtensionPageShown(const QList<Core::GeneratedFile> &files);
+    void initializeVersionControlChoices();
 
 private:
     void initProjectChoices(const QString &generatedProjectFilePath);
-    void initializeVersionControlChoices();
     bool processProject(const QList<Core::GeneratedFile> &files,
                         bool *removeOpenProjectAttribute, QString *errorMessage);
     bool processVersionControl(const QList<Core::GeneratedFile> &files, QString *errorMessage);

src/plugins/subversion/subversioncontrol.cpp

@@ -159,3 +159,8 @@ void SubversionControl::emitFilesChanged(const QStringList &l)
 {
     emit filesChanged(l);
 }
+
+void SubversionControl::emitConfigurationChanged()
+{
+    emit configurationChanged();
+}

src/plugins/subversion/subversioncontrol.h

@@ -69,6 +69,7 @@ public:
 
     void emitRepositoryChanged(const QString &);
     void emitFilesChanged(const QStringList &);
+    void emitConfigurationChanged();
 
 private:
     SubversionPlugin *m_plugin;

src/plugins/subversion/subversionplugin.cpp

@@ -1203,6 +1203,7 @@ void SubversionPlugin::setSettings(const SubversionSettings &s)
         m_settings = s;
         if (QSettings *settings = Core::ICore::instance()->settings())
             m_settings.toSettings(settings);
+        subVersionControl()->emitConfigurationChanged();
     }
 }