ProjectExplorer: Apply static pattern to ProjectExplorerPlugin

Adjust caller sites and surroundings.

Change-Id: I6c3c80e42f35eabedc1f89c8c42cca1025aca12f
Reviewed-by: Daniel Teske <daniel.teske@digia.com>

src/plugins/cmakeprojectmanager/cmakeeditor.cpp

@@ -85,7 +85,7 @@ void CMakeEditor::finalizeInitialization()
             foreach (Project *p, SessionManager::projects()) {
                 if (CMakeProject *cmakeProject = qobject_cast<CMakeProject *>(p)) {
                     if (cmakeProject->isProjectFile(document->filePath())) {
-                        ProjectExplorerPlugin::instance()->buildProject(cmakeProject);
+                        ProjectExplorerPlugin::buildProject(cmakeProject);
                         break;
                     }
                 }

src/plugins/cmakeprojectmanager/cmakelocatorfilter.cpp

@@ -118,7 +118,7 @@ void CMakeLocatorFilter::accept(Core::LocatorFilterEntry selection) const
     makeStep->setBuildTarget(selection.displayName, true);
 
     // Build
-    ProjectExplorer::ProjectExplorerPlugin::instance()->buildProject(cmakeProject);
+    ProjectExplorerPlugin::buildProject(cmakeProject);
     makeStep->setBuildTargets(oldTargets);
 }
 

src/plugins/cmakeprojectmanager/cmakeproject.cpp

@@ -852,7 +852,7 @@ void CMakeBuildSettingsWidget::openChangeBuildDirectoryDialog()
 
 void CMakeBuildSettingsWidget::runCMake()
 {
-    if (!ProjectExplorer::ProjectExplorerPlugin::instance()->saveModifiedFiles())
+    if (!ProjectExplorer::ProjectExplorerPlugin::saveModifiedFiles())
         return;
     CMakeProject *project = static_cast<CMakeProject *>(m_buildConfiguration->target()->project());
     CMakeBuildInfo info(m_buildConfiguration);

src/plugins/cmakeprojectmanager/cmakeprojectmanager.cpp

@@ -94,7 +94,7 @@ void CMakeManager::runCMake(ProjectExplorer::Project *project)
     if (!cmakeProject || !cmakeProject->activeTarget() || !cmakeProject->activeTarget()->activeBuildConfiguration())
         return;
 
-    if (!ProjectExplorer::ProjectExplorerPlugin::instance()->saveModifiedFiles())
+    if (!ProjectExplorer::ProjectExplorerPlugin::saveModifiedFiles())
         return;
 
     CMakeBuildConfiguration *bc

src/plugins/cpptools/cppmodelmanager_test.cpp

@@ -117,15 +117,14 @@ public:
 class ExampleProjectConfigurator
 {
 public:
-    ExampleProjectConfigurator(const QString &projectFile,
-                               ProjectExplorerPlugin *projectExplorer)
+    ExampleProjectConfigurator(const QString &projectFile)
     {
         const QString projectUserFile = projectFile + _(".user");
         QVERIFY(!QFileInfo(projectUserFile).exists());
 
         // Open project
         QString errorOpeningProject;
-        m_project = projectExplorer->openProject(projectFile, &errorOpeningProject);
+        m_project = ProjectExplorerPlugin::openProject(projectFile, &errorOpeningProject);
         QVERIFY(m_project);
         QVERIFY(errorOpeningProject.isEmpty());
 
@@ -671,8 +670,7 @@ void CppToolsPlugin::test_modelmanager_extraeditorsupport_uiFiles()
     const QString projectFile = testDataDirectory.file(_("testdata_guiproject1.pro"));
 
     // Open project with *.ui file
-    ProjectExplorerPlugin *pe = ProjectExplorerPlugin::instance();
-    ExampleProjectConfigurator exampleProjectConfigurator(projectFile, pe);
+    ExampleProjectConfigurator exampleProjectConfigurator(projectFile);
     Project *project = exampleProjectConfigurator.project();
 
     // Check working copy.

src/plugins/debugger/debuggerplugin.cpp

@@ -1540,20 +1540,17 @@ void DebuggerPluginPrivate::languagesChanged()
 
 void DebuggerPluginPrivate::debugProject()
 {
-    if (Project *pro = SessionManager::startupProject())
-        ProjectExplorerPlugin::instance()->runProject(pro, DebugRunMode);
+    ProjectExplorerPlugin::runProject(SessionManager::startupProject(), DebugRunMode);
 }
 
 void DebuggerPluginPrivate::debugProjectWithoutDeploy()
 {
-    if (Project *pro = SessionManager::startupProject())
-        ProjectExplorerPlugin::instance()->runProject(pro, DebugRunMode, true);
+    ProjectExplorerPlugin::runProject(SessionManager::startupProject(), DebugRunMode, true);
 }
 
 void DebuggerPluginPrivate::debugProjectBreakMain()
 {
-    if (Project *pro = SessionManager::startupProject())
-        ProjectExplorerPlugin::instance()->runProject(pro, DebugRunModeWithBreakOnMain);
+    ProjectExplorerPlugin::runProject(SessionManager::startupProject(), DebugRunModeWithBreakOnMain);
 }
 
 void DebuggerPluginPrivate::startAndDebugApplication()
@@ -3527,13 +3524,12 @@ void DebuggerPlugin::extensionsInitialized()
 
 void DebuggerPluginPrivate::testLoadProject(const QString &proFile, const TestCallBack &cb)
 {
-    ProjectExplorerPlugin *pe = ProjectExplorerPlugin::instance();
-    connect(pe, SIGNAL(currentProjectChanged(ProjectExplorer::Project*)),
-            this, SLOT(testProjectLoaded(ProjectExplorer::Project*)));
+    connect(ProjectExplorerPlugin::instance(), &ProjectExplorerPlugin::currentProjectChanged,
+            this, &DebuggerPluginPrivate::testProjectLoaded);
 
     m_testCallbacks.append(cb);
     QString error;
-    if (pe->openProject(proFile, &error)) {
+    if (ProjectExplorerPlugin::openProject(proFile, &error)) {
         // Will end up in callback below due to the connections to
         // signal currentProjectChanged().
         return;
@@ -3563,7 +3559,7 @@ void DebuggerPluginPrivate::testProjectEvaluated()
     qWarning("Project %s loaded", qPrintable(fileName));
     connect(BuildManager::instance(), SIGNAL(buildQueueFinished(bool)),
             SLOT(testProjectBuilt(bool)));
-    ProjectExplorerPlugin::instance()->buildProject(m_testProject);
+    ProjectExplorerPlugin::buildProject(m_testProject);
 }
 
 void DebuggerPluginPrivate::testProjectBuilt(bool success)

src/plugins/debugger/debuggerrunner.cpp

@@ -457,11 +457,11 @@ DebuggerRunControl *DebuggerRunControlFactory::createAndScheduleRun(const Debugg
     QString errorMessage;
     DebuggerRunControl *rc = doCreate(sp, 0, &errorMessage);
     if (!rc) {
-        ProjectExplorer::ProjectExplorerPlugin::showRunErrorMessage(errorMessage);
+        ProjectExplorerPlugin::showRunErrorMessage(errorMessage);
         return 0;
     }
     debuggerCore()->showMessage(sp.startMessage, 0);
-    ProjectExplorerPlugin::instance()->startRunControl(rc, DebugRunMode);
+    ProjectExplorerPlugin::startRunControl(rc, DebugRunMode);
     return rc;
 }
 

src/plugins/genericprojectmanager/genericprojectplugin_test.cpp

@@ -54,9 +54,6 @@ namespace {
 class ProjectExplorerHelper
 {
 public:
-    static ProjectExplorerPlugin *getInstance()
-    { return ProjectExplorerPlugin::instance(); }
-
     ProjectExplorerHelper()
     {
         QVERIFY(!SessionManager::hasProjects());
@@ -65,13 +62,13 @@ public:
     ~ProjectExplorerHelper()
     {
         foreach (Project *project, m_openProjects)
-            getInstance()->unloadProject(project);
+            ProjectExplorerPlugin::unloadProject(project);
     }
 
     Project *openProject(const QString &projectFile)
     {
         QString error;
-        Project *project = getInstance()->openProject(projectFile, &error);
+        Project *project = ProjectExplorerPlugin::openProject(projectFile, &error);
         if (!error.isEmpty())
             qWarning() << error;
         if (!project)

src/plugins/projectexplorer/corelistenercheckingforrunningbuild.cpp

@@ -39,7 +39,7 @@ CoreListener::CoreListener()
 
 bool CoreListener::coreAboutToClose()
 {
-    return ProjectExplorerPlugin::instance()->coreAboutToClose();
+    return ProjectExplorerPlugin::coreAboutToClose();
 }
 
 }

src/plugins/projectexplorer/customwizard/customwizard.cpp

@@ -524,7 +524,7 @@ bool CustomProjectWizard::postGenerateOpen(const Core::GeneratedFiles &l, QStrin
     // Post-Generate: Open the project and the editors as desired
     foreach (const Core::GeneratedFile &file, l) {
         if (file.attributes() & Core::GeneratedFile::OpenProjectAttribute) {
-            if (!ProjectExplorerPlugin::instance()->openProject(file.path(), errorMessage))
+            if (!ProjectExplorerPlugin::openProject(file.path(), errorMessage))
                 return false;
         }
     }

src/plugins/projectexplorer/projectexplorer.h

@@ -39,7 +39,6 @@
 
 QT_BEGIN_NAMESPACE
 class QPoint;
-class QMenu;
 class QAction;
 QT_END_NAMESPACE
 
@@ -54,14 +53,10 @@ class RunConfiguration;
 class IRunControlFactory;
 class Project;
 class Node;
-class BuildConfiguration;
 class FolderNode;
-class TaskHub;
 
 namespace Internal { class ProjectExplorerSettings; }
 
-struct ProjectExplorerPluginPrivate;
-
 class PROJECTEXPLORER_EXPORT ProjectExplorerPlugin
     : public ExtensionSystem::IPlugin
 {
@@ -74,20 +69,20 @@ public:
 
     static ProjectExplorerPlugin *instance();
 
-    Project *openProject(const QString &fileName, QString *error);
-    QList<Project *> openProjects(const QStringList &fileNames, QString *error);
+    static Project *openProject(const QString &fileName, QString *error);
+    static QList<Project *> openProjects(const QStringList &fileNames, QString *error);
     Q_SLOT void openProjectWelcomePage(const QString &fileName);
-    void unloadProject(Project *project);
+    static void unloadProject(Project *project);
 
     static Project *currentProject();
-    Node *currentNode() const;
+    static Node *currentNode();
 
-    void setCurrentFile(Project *project, const QString &file);
-    void setCurrentNode(Node *node);
+    static void setCurrentFile(Project *project, const QString &file);
+    static void setCurrentNode(Node *node);
 
-    bool saveModifiedFiles();
+    static bool saveModifiedFiles();
 
-    void showContextMenu(QWidget *view, const QPoint &globalPos, Node *node);
+    static void showContextMenu(QWidget *view, const QPoint &globalPos, Node *node);
 
     //PluginInterface
     bool initialize(const QStringList &arguments, QString *errorMessage);
@@ -97,34 +92,33 @@ public:
     static void setProjectExplorerSettings(const Internal::ProjectExplorerSettings &pes);
     static Internal::ProjectExplorerSettings projectExplorerSettings();
 
-    void startRunControl(RunControl *runControl, RunMode runMode);
+    static void startRunControl(RunControl *runControl, RunMode runMode);
     static void showRunErrorMessage(const QString &errorMessage);
 
     // internal public for FlatModel
-    void renameFile(Node *node, const QString &to);
+    static void renameFile(Node *node, const QString &to);
     static QStringList projectFilePatterns();
-    bool coreAboutToClose();
-    QList<QPair<QString, QString> > recentProjects();
+    static bool coreAboutToClose();
+    static QList<QPair<QString, QString> > recentProjects();
 
     static bool canRun(Project *pro, RunMode runMode, QString *whyNot = 0);
-    void runProject(Project *pro, RunMode, const bool forceSkipDeploy = false);
-    void runRunConfiguration(ProjectExplorer::RunConfiguration *rc, RunMode runMode,
+    static void runProject(Project *pro, RunMode, const bool forceSkipDeploy = false);
+    static void runRunConfiguration(RunConfiguration *rc, RunMode runMode,
                              const bool forceSkipDeploy = false);
 
-    void addExistingFiles(ProjectExplorer::FolderNode *projectNode, const QStringList &filePaths);
-    void addExistingFiles(const QStringList &filePaths);
+    static void addExistingFiles(FolderNode *projectNode, const QStringList &filePaths);
+    static void addExistingFiles(const QStringList &filePaths);
 
-    void buildProject(ProjectExplorer::Project *p);
+    static void buildProject(Project *p);
     /// Normally there's no need to call this function.
     /// This function needs to be called, only if the pages that support a project changed.
-    void requestProjectModeUpdate(ProjectExplorer::Project *p);
+    static void requestProjectModeUpdate(Project *p);
 
-    void initiateInlineRenaming();
+    static void initiateInlineRenaming();
 
     static QString displayNameForStepId(Core::Id stepId);
 
     static QString directoryFor(Node *node);
-    static QString pathFor(Node *node);
     static QStringList projectFileGlobs();
 
 signals:
@@ -147,7 +141,7 @@ signals:
     void updateRunActions();
 
 public slots:
-    void openOpenProjectDialog();
+    static void openOpenProjectDialog();
 
 private slots:
     void buildStateChanged(ProjectExplorer::Project * pro);
@@ -220,17 +214,15 @@ private slots:
     void activeTargetChanged();
     void activeRunConfigurationChanged();
 
-    void updateDeployActions();
     void slotUpdateRunActions();
 
     void currentModeChanged(Core::IMode *mode, Core::IMode *oldMode);
-    void updateActions();
     void loadCustomWizards();
-    void updateRunWithoutDeployMenu();
 
     void updateWelcomePage();
     void updateExternalFileWarning();
 
+    void updateActions();
     void updateContext();
     void runConfigurationConfigurationFinished();
 
@@ -275,27 +267,6 @@ private slots:
     void testCustomWizardPreprocessor_data();
     void testCustomWizardPreprocessor();
 #endif
-
-private:
-    void deploy(QList<Project *>);
-    int queue(QList<Project *>, QList<Core::Id> stepIds);
-    void updateContextMenuActions();
-    bool parseArguments(const QStringList &arguments, QString *error);
-    void executeRunConfiguration(RunConfiguration *, RunMode mode);
-    bool hasBuildSettings(Project *pro);
-    QPair<bool, QString> buildSettingsEnabledForSession();
-    QPair<bool, QString> buildSettingsEnabled(Project *pro);
-    bool hasDeploySettings(Project *pro);
-
-    void setCurrent(Project *project, QString filePath, Node *node);
-
-    QStringList allFilesWithDependencies(Project *pro);
-    IRunControlFactory *findRunControlFactory(RunConfiguration *config, RunMode mode);
-
-    void addToRecentProjects(const QString &fileName, const QString &displayName);
-
-    static ProjectExplorerPlugin *m_instance;
-    ProjectExplorerPluginPrivate *d;
 };
 
 } // namespace ProjectExplorer

src/plugins/projectexplorer/projectmodels.cpp

@@ -348,7 +348,7 @@ bool FlatModel::setData(const QModelIndex &index, const QVariant &value, int rol
     if (role != Qt::EditRole)
         return false;
 
-    ProjectExplorerPlugin::instance()->renameFile(nodeForIndex(index), value.toString());
+    ProjectExplorerPlugin::renameFile(nodeForIndex(index), value.toString());
     return true;
 }
 

src/plugins/projectexplorer/projecttreewidget.cpp

@@ -111,7 +111,6 @@ private:
   */
 ProjectTreeWidget::ProjectTreeWidget(QWidget *parent)
         : QWidget(parent),
-          m_explorer(ProjectExplorerPlugin::instance()),
           m_view(0),
           m_model(0),
           m_filterProjectsAction(0),
@@ -282,7 +281,7 @@ void ProjectTreeWidget::recursiveSaveExpandData(const QModelIndex &index, QStrin
 
 void ProjectTreeWidget::foldersAboutToBeRemoved(FolderNode *, const QList<FolderNode*> &list)
 {
-    Node *n = m_explorer->currentNode();
+    Node *n = ProjectExplorerPlugin::currentNode();
     while (n) {
         if (FolderNode *fn = qobject_cast<FolderNode *>(n)) {
             if (list.contains(fn)) {
@@ -290,7 +289,7 @@ void ProjectTreeWidget::foldersAboutToBeRemoved(FolderNode *, const QList<Folder
                 // Make sure the node we are switching too isn't going to be removed also
                 while (list.contains(pn))
                     pn = pn->parentFolderNode()->projectNode();
-                m_explorer->setCurrentNode(pn);
+                ProjectExplorerPlugin::setCurrentNode(pn);
                 break;
             }
         }
@@ -300,9 +299,9 @@ void ProjectTreeWidget::foldersAboutToBeRemoved(FolderNode *, const QList<Folder
 
 void ProjectTreeWidget::filesAboutToBeRemoved(FolderNode *, const QList<FileNode*> &list)
 {
-    if (FileNode *fileNode = qobject_cast<FileNode *>(m_explorer->currentNode())) {
+    if (FileNode *fileNode = qobject_cast<FileNode *>(ProjectExplorerPlugin::currentNode())) {
         if (list.contains(fileNode))
-            m_explorer->setCurrentNode(fileNode->projectNode());
+            ProjectExplorerPlugin::setCurrentNode(fileNode->projectNode());
     }
 }
 
@@ -332,13 +331,13 @@ void ProjectTreeWidget::setAutoSynchronization(bool sync, bool syncNow)
     if (debug)
         qDebug() << (m_autoSync ? "Enabling auto synchronization" : "Disabling auto synchronization");
     if (m_autoSync) {
-        connect(m_explorer, SIGNAL(currentNodeChanged(ProjectExplorer::Node*,ProjectExplorer::Project*)),
-                this, SLOT(setCurrentItem(ProjectExplorer::Node*,ProjectExplorer::Project*)));
+        connect(ProjectExplorerPlugin::instance(), &ProjectExplorerPlugin::currentNodeChanged,
+                this, &ProjectTreeWidget::setCurrentItem);
         if (syncNow)
-            setCurrentItem(m_explorer->currentNode(), ProjectExplorerPlugin::currentProject());
+            setCurrentItem(ProjectExplorerPlugin::currentNode(), ProjectExplorerPlugin::currentProject());
     } else {
-        disconnect(m_explorer, SIGNAL(currentNodeChanged(ProjectExplorer::Node*,ProjectExplorer::Project*)),
-                this, SLOT(setCurrentItem(ProjectExplorer::Node*,ProjectExplorer::Project*)));
+        disconnect(ProjectExplorerPlugin::instance(), &ProjectExplorerPlugin::currentNodeChanged,
+                   this, &ProjectTreeWidget::setCurrentItem);
     }
 }
 
@@ -383,7 +382,7 @@ void ProjectTreeWidget::handleCurrentItemChange(const QModelIndex &current)
     // node might be 0. that's okay
     bool autoSync = autoSynchronization();
     setAutoSynchronization(false);
-    m_explorer->setCurrentNode(node);
+    ProjectExplorerPlugin::setCurrentNode(node);
     setAutoSynchronization(autoSync, false);
 }
 
@@ -391,7 +390,7 @@ void ProjectTreeWidget::showContextMenu(const QPoint &pos)
 {
     QModelIndex index = m_view->indexAt(pos);
     Node *node = m_model->nodeForIndex(index);
-    m_explorer->showContextMenu(this, m_view->mapToGlobal(pos), node);
+    ProjectExplorerPlugin::showContextMenu(this, m_view->mapToGlobal(pos), node);
 }
 
 void ProjectTreeWidget::handleProjectAdded(ProjectExplorer::Project *project)
@@ -427,7 +426,7 @@ void ProjectTreeWidget::initView()
     for (int i = 0; i < m_model->rowCount(sessionIndex); ++i)
         m_view->expand(m_model->index(i, 0, sessionIndex));
 
-    setCurrentItem(m_explorer->currentNode(), ProjectExplorerPlugin::currentProject());
+    setCurrentItem(ProjectExplorerPlugin::currentNode(), ProjectExplorerPlugin::currentProject());
 }
 
 void ProjectTreeWidget::openItem(const QModelIndex &mainIndex)

src/plugins/projectexplorer/projecttreewidget.h

@@ -39,7 +39,6 @@ QT_FORWARD_DECLARE_CLASS(QTreeView)
 
 namespace ProjectExplorer {
 
-class ProjectExplorerPlugin;
 class Project;
 class Node;
 class FolderNode;
@@ -92,7 +91,6 @@ private:
     void recursiveLoadExpandData(const QModelIndex &index, const QSet<QString> &data);
     void recursiveSaveExpandData(const QModelIndex &index, QStringList *data);
     static int expandedCount(Node *node);
-    ProjectExplorerPlugin *m_explorer;
     QTreeView *m_view;
     FlatModel *m_model;
     QAction *m_filterProjectsAction;

src/plugins/projectexplorer/projectwelcomepage.cpp

@@ -165,20 +165,21 @@ void SessionModel::renameSession(const QString &session)
     }
 }
 
-ProjectModel::ProjectModel(ProjectExplorerPlugin *plugin, QObject *parent)
-    : QAbstractListModel(parent), m_plugin(plugin)
+ProjectModel::ProjectModel(QObject *parent)
+    : QAbstractListModel(parent)
 {
-    connect(plugin, SIGNAL(recentProjectsChanged()), SLOT(resetProjects()));
+    connect(ProjectExplorerPlugin::instance(), &ProjectExplorerPlugin::recentProjectsChanged,
+            this, &ProjectModel::resetProjects);
 }
 
 int ProjectModel::rowCount(const QModelIndex &) const
 {
-    return m_plugin->recentProjects().count();
+    return ProjectExplorerPlugin::recentProjects().count();
 }
 
 QVariant ProjectModel::data(const QModelIndex &index, int role) const
 {
-    QPair<QString,QString> data = m_plugin->recentProjects().at(index.row());
+    QPair<QString,QString> data = ProjectExplorerPlugin::recentProjects().at(index.row());
     switch (role) {
     case Qt::DisplayRole:
         return data.second;
@@ -219,7 +220,7 @@ ProjectWelcomePage::ProjectWelcomePage() :
 void ProjectWelcomePage::facilitateQml(QQmlEngine *engine)
 {
     m_sessionModel = new SessionModel(this);
-    m_projectModel = new ProjectModel(ProjectExplorerPlugin::instance(), this);
+    m_projectModel = new ProjectModel(this);
 
     QQmlContext *ctx = engine->rootContext();
     ctx->setContextProperty(QLatin1String("sessionList"), m_sessionModel);
@@ -255,7 +256,7 @@ void ProjectWelcomePage::newProject()
 
 void ProjectWelcomePage::openProject()
 {
-     ProjectExplorerPlugin::instance()->openOpenProjectDialog();
+     ProjectExplorerPlugin::openOpenProjectDialog();
 }
 
 } // namespace Internal

src/plugins/projectexplorer/projectwelcomepage.h

@@ -39,9 +39,6 @@ class QQmlEngine;
 QT_END_NAMESPACE
 
 namespace ProjectExplorer {
-
-class ProjectExplorerPlugin;
-
 namespace Internal {
 
 class SessionModel : public QAbstractListModel
@@ -71,16 +68,13 @@ class ProjectModel : public QAbstractListModel
 public:
     enum { FilePathRole = Qt::UserRole+1, PrettyFilePathRole };
 
-    ProjectModel(ProjectExplorerPlugin* plugin, QObject* parent = 0);
+    ProjectModel(QObject *parent = 0);
     int rowCount(const QModelIndex &parent) const;
     QVariant data(const QModelIndex &index, int role) const;
     QHash<int, QByteArray> roleNames() const;
 
 public slots:
     void resetProjects();
-
-private:
-    ProjectExplorerPlugin *m_plugin;
 };
 
 class ProjectWelcomePage : public Utils::IWelcomePage

src/plugins/projectexplorer/session.cpp

@@ -860,7 +860,7 @@ void SessionManagerPrivate::restoreProjects(const QStringList &fileList)
     m_failedProjects = fileList;
     if (!fileList.isEmpty()) {
         QString errors;
-        QList<Project *> projects = ProjectExplorerPlugin::instance()->openProjects(fileList, &errors);
+        QList<Project *> projects = ProjectExplorerPlugin::openProjects(fileList, &errors);
         if (!errors.isEmpty())
             QMessageBox::critical(Core::ICore::mainWindow(), SessionManager::tr("Failed to open project"), errors);
         foreach (Project *p, projects)
@@ -1005,12 +1005,12 @@ void SessionManager::projectDisplayNameChanged()
     if (pro) {
         Node *currentNode = 0;
         if (ProjectExplorerPlugin::currentProject() == pro)
-            currentNode = ProjectExplorerPlugin::instance()->currentNode();
+            currentNode = ProjectExplorerPlugin::currentNode();
 
         d->m_sessionNode->projectDisplayNameChanged(pro->rootProjectNode());
 
         if (currentNode)
-            ProjectExplorerPlugin::instance()->setCurrentNode(currentNode);
+            ProjectExplorerPlugin::setCurrentNode(currentNode);
 
         emit m_instance->projectDisplayNameChanged(pro);
     }

src/plugins/projectexplorer/unconfiguredprojectpanel.cpp

@@ -165,7 +165,7 @@ void TargetSetupPageWrapper::cancel()
 void TargetSetupPageWrapper::done()
 {
     m_targetSetupPage->setupProject(m_project);
-    ProjectExplorerPlugin::instance()->requestProjectModeUpdate(m_project);
+    ProjectExplorerPlugin::requestProjectModeUpdate(m_project);
     Core::ModeManager::activateMode(Core::Constants::MODE_EDIT);
 }
 

src/plugins/qbsprojectmanager/qbsprojectmanagerplugin.cpp

@@ -442,7 +442,7 @@ void QbsProjectManagerPlugin::buildFiles(QbsProject *project, const QStringList
     if (!bc)
         return;
 
-    if (!ProjectExplorerPlugin::instance()->saveModifiedFiles())
+    if (!ProjectExplorerPlugin::saveModifiedFiles())
         return;
 
     bc->setChangedFiles(files);
@@ -476,7 +476,7 @@ void QbsProjectManagerPlugin::buildProducts(QbsProject *project, const QStringLi
     if (!bc)
         return;
 
-    if (!ProjectExplorerPlugin::instance()->saveModifiedFiles())
+    if (!ProjectExplorerPlugin::saveModifiedFiles())
         return;
 
     bc->setChangedFiles(QStringList());

src/plugins/qmakeprojectmanager/qmakeproject.cpp

@@ -1413,7 +1413,7 @@ bool QmakeProject::needsConfiguration() const
 void QmakeProject::configureAsExampleProject(const QStringList &platforms)
 {
     QList<const BuildInfo *> infoList;
-    QList<Kit *> kits = ProjectExplorer::KitManager::kits();
+    QList<Kit *> kits = KitManager::kits();
     foreach (Kit *k, kits) {
         QtSupport::BaseQtVersion *version = QtSupport::QtKitInformation::qtVersion(k);
         if (!version)
@@ -1429,7 +1429,7 @@ void QmakeProject::configureAsExampleProject(const QStringList &platforms)
     }
     setup(infoList);
     qDeleteAll(infoList);
-    ProjectExplorerPlugin::instance()->requestProjectModeUpdate(this);
+    ProjectExplorerPlugin::requestProjectModeUpdate(this);
 }
 
 bool QmakeProject::requiresTargetPanel() const

src/plugins/qmakeprojectmanager/qmakeprojectmanager.cpp

@@ -138,7 +138,7 @@ void QmakeManager::addLibrary()
 
 void QmakeManager::addLibraryContextMenu()
 {
-    ProjectExplorer::Node *node = ProjectExplorerPlugin::instance()->currentNode();
+    Node *node = ProjectExplorerPlugin::currentNode();
     if (qobject_cast<QmakeProFileNode *>(node))
         addLibrary(node->path());
 }
@@ -181,7 +181,7 @@ void QmakeManager::runQMakeContextMenu()
 
 void QmakeManager::runQMake(ProjectExplorer::Project *p, ProjectExplorer::Node *node)
 {
-    if (!ProjectExplorerPlugin::instance()->saveModifiedFiles())
+    if (!ProjectExplorerPlugin::saveModifiedFiles())
         return;
     QmakeProject *qmakeProject = qobject_cast<QmakeProject *>(p);
     QTC_ASSERT(qmakeProject, return);
@@ -272,7 +272,7 @@ void QmakeManager::handleSubDirContextMenu(QmakeManager::Action action, bool isF
 
     if (isFileBuild)
         bc->setFileNodeBuild(contextFile);
-    if (ProjectExplorerPlugin::instance()->saveModifiedFiles()) {
+    if (ProjectExplorerPlugin::saveModifiedFiles()) {
         const Core::Id buildStep = ProjectExplorer::Constants::BUILDSTEPS_BUILD;
         const Core::Id cleanStep = ProjectExplorer::Constants::BUILDSTEPS_CLEAN;
         if (action == BUILD) {

src/plugins/qmakeprojectmanager/qmakeprojectmanagerplugin.cpp

@@ -397,7 +397,7 @@ void QmakeProjectManagerPlugin::buildStateChanged(ProjectExplorer::Project *pro)
     ProjectExplorer::Project *currentProject = m_projectExplorer->currentProject();
     if (pro == currentProject) {
         updateRunQMakeAction();
-        updateContextActions(m_projectExplorer->currentNode(), pro);
+        updateContextActions(ProjectExplorerPlugin::currentNode(), pro);
         updateBuildFileAction();
     }
 }

src/plugins/qmakeprojectmanager/wizards/abstractmobileappwizard.cpp

@@ -131,9 +131,9 @@ bool AbstractMobileAppWizard::postGenerateFiles(const QWizard *w,
     if (success) {
         const QString fileToOpen = fileToOpenPostGeneration();
         if (!fileToOpen.isEmpty()) {
-            Core::EditorManager::openEditor(fileToOpen);
-            ProjectExplorer::Project *project = ProjectExplorer::SessionManager::projectForFile(fileToOpen);
-            ProjectExplorerPlugin::instance()->setCurrentFile(project, fileToOpen);
+            EditorManager::openEditor(fileToOpen);
+            Project *project = SessionManager::projectForFile(fileToOpen);
+            ProjectExplorerPlugin::setCurrentFile(project, fileToOpen);
         }
     }
     return success;

src/plugins/qmlprofiler/qmlprofilertool.cpp

@@ -441,7 +441,7 @@ static void startRemoteTool(IAnalyzerTool *tool, StartMode mode)
     AnalyzerRunControl *rc = tool->createRunControl(sp, 0);
     QObject::connect(AnalyzerManager::stopAction(), SIGNAL(triggered()), rc, SLOT(stopIt()));
 
-    ProjectExplorerPlugin::instance()->startRunControl(rc, tool->runMode());
+    ProjectExplorerPlugin::startRunControl(rc, tool->runMode());
 }
 
 void QmlProfilerTool::startTool(StartMode mode)

src/plugins/qnx/qnxattachdebugsupport.cpp

@@ -141,7 +141,7 @@ void QnxAttachDebugSupport::attachToProcess()
     }
     m_engine = runControl->engine();
     connect(m_engine, SIGNAL(stateChanged(Debugger::DebuggerState)), this, SLOT(handleDebuggerStateChanged(Debugger::DebuggerState)));
-    ProjectExplorer::ProjectExplorerPlugin::instance()->startRunControl(runControl, ProjectExplorer::DebugRunMode);
+    ProjectExplorer::ProjectExplorerPlugin::startRunControl(runControl, ProjectExplorer::DebugRunMode);
 }
 
 void QnxAttachDebugSupport::handleDebuggerStateChanged(Debugger::DebuggerState state)

src/plugins/resourceeditor/resourceeditorplugin.cpp

@@ -62,7 +62,10 @@
 #include <QClipboard>
 #include <QApplication>
 
-using namespace ResourceEditor::Internal;
+using namespace ProjectExplorer;
+
+namespace ResourceEditor {
+namespace Internal {
 
 static const char resourcePrefix[] = ":";
 static const char urlPrefix[] = "qrc:";
@@ -242,7 +245,7 @@ void ResourceEditorPlugin::addPrefixContextMenu()
     QString prefix = dialog.prefix();
     if (prefix.isEmpty())
         return;
-    ResourceTopLevelNode *topLevel = static_cast<ResourceTopLevelNode *>(ProjectExplorer::ProjectExplorerPlugin::instance()->currentNode());
+    ResourceTopLevelNode *topLevel = static_cast<ResourceTopLevelNode *>(ProjectExplorer::ProjectExplorerPlugin::currentNode());
     topLevel->addPrefix(prefix, dialog.lang());
 }
 
@@ -260,7 +263,7 @@ void ResourceEditorPlugin::removePrefixContextMenu()
 
 void ResourceEditorPlugin::renameFileContextMenu()
 {
-    ProjectExplorer::ProjectExplorerPlugin::instance()->initiateInlineRenaming();
+    ProjectExplorerPlugin::initiateInlineRenaming();
 }
 
 void ResourceEditorPlugin::removeFileContextMenu()
@@ -283,35 +286,35 @@ void ResourceEditorPlugin::openEditorContextMenu()
 
 void ResourceEditorPlugin::openTextEditorContextMenu()