CustomWizard: Use object pool to find factories

Rename class type of CustomQmakeProjectWizard from "qt4project" to
"qmakeproject" and document that change in the manual and changes-3.1.0.

Also update all the in-tree xml files to that new class name.

Change-Id: I7a9ef914a429d68e7f37a2115c03fa81d7433398
Reviewed-by: Leena Miettinen <riitta-leena.miettinen@digia.com>
Reviewed-by: Eike Ziller <eike.ziller@digia.com>

dist/changes-3.1.0

@@ -96,6 +96,7 @@ Platform Specific
 Linux
 
 Qt Support
+   * Custom wizards now use class "qmakeproject" instead of "qt4project"
 
 QNX
    * Added support for Python based pretty printers when debugging on devices

doc/src/projects/creator-projects-custom-wizards.qdoc

@@ -113,7 +113,7 @@
             \code
 
             <wizard version="1" kind="project"
-            class="qt4project" firstpage="10"
+            class="qmakeproject" firstpage="10"
             id="A.HelloWorld" category="B.CustomProjects">
 
             \endcode
@@ -127,7 +127,7 @@
                 \c class.
 
             \li \c class specifies the type of the project. This attribute is
-                optional. Use the value \c qt4project to add Qt 4 specific pages.
+                optional. Use the value \c qmakeproject to add Qt specific pages.
 
             \li \c firstpage specifies the place of the new page in the standard
                 project wizard. The value 10 ensures that the custom page

share/qtcreator/templates/wizards/bb-cascades-app/wizard.xml

@@ -31,7 +31,7 @@
 **************************************************************************/
 -->
 <wizard version="1" kind="project"
-        class="qt4project" firstpage="10"
+        class="qmakeproject" firstpage="10"
         id="Q.QnxBlackBerryCascadesApp" category="F.QtApplications"
         featuresRequired="QtSupport.Wizards.FeatureBlackBerry">
     <icon>icon.png</icon>

share/qtcreator/templates/wizards/codesnippet/wizard.xml

@@ -35,7 +35,7 @@ The "class" and "firstpage" attributes specify that it is a Qt 4 wizard and
 leave room for the Qt 4 target page.
 -->
 <wizard version="1" kind="project"
-        class="qt4project" firstpage="10"
+        class="qmakeproject" firstpage="10"
         id="Z.Snippet" category="H.QtProjects">
     <description>Creates a qmake-based test project for which a code snippet can be entered.</description>
     <displayname>Code Snippet</displayname>;

share/qtcreator/templates/wizards/helloworld/wizard_sample.xml

@@ -35,7 +35,7 @@ The "class" and "firstpage" attributes specify that it is a Qt 4 wizard and
 leave room for the Qt 4 target page.
 -->
 <wizard version="1" kind="project"
-        class="qt4project" firstpage="10"
+        class="qmakeproject" firstpage="10"
         id="A.HelloWorld" category="B.CustomProjects">
     <icon>console.png</icon>
     <description>Creates a hello-world-project with custom message.</description>

share/qtcreator/templates/wizards/plaincapp/qmake/wizard.xml

@@ -35,7 +35,7 @@ The "class" and "firstpage" attributes specify that it is a Qt 4 wizard and
 leave room for the Qt 4 target page.
 -->
 <wizard version="1" kind="project"
-        class="qt4project" firstpage="10"
+        class="qmakeproject" firstpage="10"
         id="R.Plain C" category="I.Projects"
         featuresRequired="QtSupport.Wizards.FeatureQt">
     <icon>../common/console.png</icon>

share/qtcreator/templates/wizards/plaincppapp/qmake/wizard.xml

@@ -35,7 +35,7 @@ The "class" and "firstpage" attributes specify that it is a Qt 4 wizard and
 leave room for the Qt 4 target page.
 -->
 <wizard version="1" kind="project"
-        class="qt4project" firstpage="10"
+        class="qmakeproject" firstpage="10"
         id="R.Plain C++" category="I.Projects"
         featuresRequired="QtSupport.Wizards.FeatureQt">
     <icon>../common/console.png</icon>

share/qtcreator/templates/wizards/qtcreatorplugin/wizard.xml

@@ -35,7 +35,7 @@ The "class" and "firstpage" attributes specify that it is a Qt 4 wizard and
 leave room for the Qt 4 target page.
 -->
 <wizard version="1" kind="project"
-        class="qt4project" firstpage="10"
+        class="qmakeproject" firstpage="10"
         id="R.QtCreatorPlugin" category="G.Libraries"
         featuresRequired="QtSupport.Wizards.FeatureQt,QtSupport.Wizards.FeatureDesktop">
     <icon>qtcreator_logo_24.png</icon>

share/qtcreator/templates/wizards/qtquick1-extension/wizard.xml

@@ -35,7 +35,7 @@ The "class" and "firstpage" attributes specify that it is a Qt 4 wizard and
 leave room for the Qt 4 target page.
 -->
 <wizard version="1" kind="project"
-        class="qt4project" firstpage="10"
+        class="qmakeproject" firstpage="10"
         id="QtQuick1ExtensionPlugin" category="G.Libraries"
         featuresRequired="QtSupport.Wizards.FeatureQtQuick,QtSupport.Wizards.FeatureQtQuick.1">
     <icon>lib.png</icon>

share/qtcreator/templates/wizards/qtquick2-extension/wizard.xml

@@ -35,7 +35,7 @@ The "class" and "firstpage" attributes specify that it is a Qt 4 wizard and
 leave room for the Qt 4 target page.
 -->
 <wizard version="1" kind="project"
-        class="qt4project" firstpage="10"
+        class="qmakeproject" firstpage="10"
         id="QtQuick2ExtensionPlugin" category="G.Libraries"
         featuresRequired="QtSupport.Wizards.FeatureQtQuick,QtSupport.Wizards.FeatureQtQuick.2">
     <icon>lib.png</icon>

src/plugins/projectexplorer/customwizard/customwizard.cpp

@@ -36,6 +36,8 @@
 
 #include <coreplugin/icore.h>
 #include <coreplugin/messagemanager.h>
+
+#include <extensionsystem/pluginmanager.h>
 #include <utils/fileutils.h>
 #include <utils/qtcassert.h>
 
@@ -330,39 +332,23 @@ CustomWizard::CustomWizardContextPtr CustomWizard::context() const
     return d->m_context;
 }
 
-// Static factory map
+CustomWizard *CustomWizard::createWizard(const CustomProjectWizard::CustomWizardParametersPtr &p,
-typedef QMap<QString, QSharedPointer<ICustomWizardFactory> > CustomWizardFactoryMap;
+                                         const Core::IWizard::Data &b)
-Q_GLOBAL_STATIC(CustomWizardFactoryMap, customWizardFactoryMap)
-
-void CustomWizard::registerFactory(const QString &name, const ICustomWizardFactoryPtr &f)
 {
-    customWizardFactoryMap()->insert(name, f);
+    CustomWizard *rc = 0;
-}
+    QList<ICustomWizardFactory *> factories = ExtensionSystem::PluginManager::getObjects<ICustomWizardFactory>();
-
+    foreach (ICustomWizardFactory *tmp, factories) {
-CustomWizard *CustomWizard::createWizard(const CustomProjectWizard::CustomWizardParametersPtr &p, const Core::IWizard::Data &b)
+        if ((p->klass.isEmpty() && b.kind == tmp->kind())
-{
+                || (!p->klass.isEmpty() && p->klass == tmp->klass())) {
-    CustomWizard * rc = 0;
+            rc = tmp->create();
-    if (p->klass.isEmpty()) {
+            break;
-        // Use defaults for empty class names
+        }
-        switch (b.kind) {
-            case Core::IWizard::ProjectWizard:
-                rc = new CustomProjectWizard;
-                break;
-            case Core::IWizard::FileWizard:
-            case Core::IWizard::ClassWizard:
-                rc = new CustomWizard;
-                break;
-            }
-    } else {
-        // Look up class name in map
-        const CustomWizardFactoryMap::const_iterator it = customWizardFactoryMap()->constFind(p->klass);
-        if (it != customWizardFactoryMap()->constEnd())
-            rc = it.value()->create();
     }
     if (!rc) {
         qWarning("Unable to create custom wizard for class %s.", qPrintable(p->klass));
         return 0;
     }
+
     rc->setData(b);
     rc->setParameters(p);
     return rc;

src/plugins/projectexplorer/customwizard/customwizard.h

@@ -55,17 +55,31 @@ namespace Internal {
 }
 
 // Documentation inside.
-class ICustomWizardFactory
+class ICustomWizardFactory : public QObject
 {
+    Q_OBJECT
+
 public:
-    virtual CustomWizard *create(QObject *parent = 0) const = 0;
+    ICustomWizardFactory(const QString &klass, Core::IWizard::WizardKind kind) :
-    virtual ~ICustomWizardFactory() {}
+        m_klass(klass), m_kind(kind)
+    { }
+
+    virtual CustomWizard *create() const = 0;
+    QString klass() const { return m_klass; }
+    int kind() const { return m_kind; }
+
+private:
+    QString m_klass;
+    Core::IWizard::WizardKind m_kind;
 };
 
 // Convenience template to create wizard factory classes.
 template <class Wizard> class CustomWizardFactory : public ICustomWizardFactory
 {
-    CustomWizard *create(QObject * = 0) const { return new Wizard; }
+public:
+    CustomWizardFactory(const QString &klass, Core::IWizard::WizardKind kind) : ICustomWizardFactory(klass, kind) { }
+    CustomWizardFactory(Core::IWizard::WizardKind kind) : ICustomWizardFactory(QString(), kind) { }
+    CustomWizard *create() const { return new Wizard; }
 };
 
 // Documentation inside.
@@ -87,11 +101,6 @@ public:
 
     Core::GeneratedFiles generateFiles(const QWizard *w, QString *errorMessage) const;
 
-    // Register a factory for a derived custom widget
-    static void registerFactory(const QString &name, const ICustomWizardFactoryPtr &f);
-    template <class Wizard> static void registerFactory(const QString &name)
-        { registerFactory(name, ICustomWizardFactoryPtr(new CustomWizardFactory<Wizard>)); }
-
     // Create all wizards. As other plugins might register factories for derived
     // classes, call it in extensionsInitialized().
     static QList<CustomWizard*> createWizards();

src/plugins/projectexplorer/projectexplorer.cpp

@@ -30,6 +30,7 @@
 #include "projectexplorer.h"
 
 #include "buildsteplist.h"
+#include "customwizard/customwizard.h"
 #include "deployablefile.h"
 #include "deployconfiguration.h"
 #include "gcctoolchainfactories.h"
@@ -394,6 +395,10 @@ bool ProjectExplorerPlugin::initialize(const QStringList &arguments, QString *er
     connect(sessionManager, SIGNAL(sessionLoaded(QString)),
             this, SLOT(updateWelcomePage()));
 
+    addAutoReleasedObject(new CustomWizardFactory<CustomProjectWizard>(Core::IWizard::ProjectWizard));
+    addAutoReleasedObject(new CustomWizardFactory<CustomWizard>(Core::IWizard::FileWizard));
+    addAutoReleasedObject(new CustomWizardFactory<CustomWizard>(Core::IWizard::ClassWizard));
+
     d->m_proWindow = new ProjectWindow;
     addAutoReleasedObject(d->m_proWindow);
 

src/plugins/qmakeprojectmanager/qmakeprojectmanagerplugin.cpp

@@ -127,7 +127,8 @@ bool QmakeProjectManagerPlugin::initialize(const QStringList &arguments, QString
     addAutoReleasedObject(new TestWizard);
     addAutoReleasedObject(new CustomWidgetWizard);
 
-    CustomQmakeProjectWizard::registerSelf();
+    addAutoReleasedObject(new CustomWizardFactory<CustomQmakeProjectWizard>
+                          (QLatin1String("qmakeproject"), Core::IWizard::ProjectWizard));
 
     addAutoReleasedObject(new QMakeStepFactory);
     addAutoReleasedObject(new MakeStepFactory);

src/plugins/qmakeprojectmanager/wizards/qtwizard.cpp

@@ -151,11 +151,6 @@ bool CustomQmakeProjectWizard::postGenerateFiles(const QWizard *w, const Core::G
     return QtWizard::qt4ProjectPostGenerateFiles(w, l, errorMessage);
 }
 
-void CustomQmakeProjectWizard::registerSelf()
-{
-    ProjectExplorer::CustomWizard::registerFactory<CustomQmakeProjectWizard>(QLatin1String("qt4project"));
-}
-
 // ----------------- BaseQmakeProjectWizardDialog
 BaseQmakeProjectWizardDialog::BaseQmakeProjectWizardDialog(bool showModulesPage, QWidget *parent,
                                                        const Core::WizardDialogParameters &parameters) :

src/plugins/qmakeprojectmanager/wizards/qtwizard.h

@@ -91,8 +91,6 @@ class CustomQmakeProjectWizard : public ProjectExplorer::CustomProjectWizard
 public:
     CustomQmakeProjectWizard();
 
-    static void registerSelf();
-
 private:
     QWizard *createWizardDialog(QWidget *parent,
                                 const Core::WizardDialogParameters &wizardDialogParameters) const;