VcsBase: Add Js Extension for querying VCS configuration state

This enables JSON wizards to check for that.

Change-Id: If6bfc580b37f712168b707ac51412df8f1cbbf25
Reviewed-by: Orgad Shaneh <orgads@gmail.com>

src/plugins/vcsbase/vcsbase.pro

@@ -3,6 +3,7 @@ include(../../qtcreatorplugin.pri)
 HEADERS += vcsbase_global.h \
     vcsbaseconstants.h \
     wizard/vcsconfigurationpage.h \
+    wizard/vcsjsextension.h \
     vcsplugin.h \
     corelistener.h \
     vcsbaseplugin.h \
@@ -34,6 +35,7 @@ HEADERS += vcsbase_global.h \
 SOURCES += vcsplugin.cpp \
     vcsbaseplugin.cpp \
     wizard/vcsconfigurationpage.cpp \
+    wizard/vcsjsextension.cpp \
     corelistener.cpp \
     baseannotationhighlighter.cpp \
     diffhighlighter.cpp \

src/plugins/vcsbase/vcsbase.qbs

@@ -81,5 +81,7 @@ QtcPlugin {
         "images/submit.png",
         "wizard/vcsconfigurationpage.cpp",
         "wizard/vcsconfigurationpage.h",
+        "wizard/vcsjsextension.cpp",
+        "wizard/vcsjsextension.h",
     ]
 }

src/plugins/vcsbase/vcsplugin.cpp

@@ -37,8 +37,10 @@
 #include "vcsoutputwindow.h"
 #include "corelistener.h"
 #include "wizard/vcsconfigurationpage.h"
+#include "wizard/vcsjsextension.h"
 
 #include <coreplugin/iversioncontrol.h>
+#include <coreplugin/jsexpander.h>
 #include <coreplugin/mimedatabase.h>
 #include <coreplugin/vcsmanager.h>
 
@@ -93,6 +95,8 @@ bool VcsPlugin::initialize(const QStringList &arguments, QString *errorMessage)
 
     JsonWizardFactory::registerPageFactory(new Internal::VcsConfigurationPageFactory);
 
+    JsExpander::registerQObjectForJs(QLatin1String("Vcs"), new VcsJsExtension);
+
     Utils::MacroExpander *expander = Utils::globalMacroExpander();
     expander->registerVariable(Constants::VAR_VCS_NAME,
         tr("Name of the version control system in use by the current project."),

src/plugins/vcsbase/wizard/vcsjsextension.cpp

@@ -0,0 +1,54 @@
+/****************************************************************************
+**
+** Copyright (C) 2015 Digia Plc and/or its subsidiary(-ies).
+** Contact: http://www.qt-project.org/legal
+**
+** This file is part of Qt Creator.
+**
+** Commercial License Usage
+** Licensees holding valid commercial Qt licenses may use this file in
+** accordance with the commercial license agreement provided with the
+** Software or, alternatively, in accordance with the terms contained in
+** a written agreement between you and Digia.  For licensing terms and
+** conditions see http://www.qt.io/licensing.  For further information
+** use the contact form at http://www.qt.io/contact-us.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 or version 3 as published by the Free
+** Software Foundation and appearing in the file LICENSE.LGPLv21 and
+** LICENSE.LGPLv3 included in the packaging of this file.  Please review the
+** following information to ensure the GNU Lesser General Public License
+** requirements will be met: https://www.gnu.org/licenses/lgpl.html and
+** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Digia gives you certain additional
+** rights.  These rights are described in the Digia Qt LGPL Exception
+** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+**
+****************************************************************************/
+
+#include "vcsjsextension.h"
+
+#include <coreplugin/iversioncontrol.h>
+#include <coreplugin/vcsmanager.h>
+
+using namespace Core;
+
+namespace VcsBase {
+namespace Internal {
+
+bool VcsJsExtension::isConfigured(const QString &vcsId) const
+{
+    IVersionControl *vc = VcsManager::versionControl(Id::fromString(vcsId));
+    return vc && vc->isConfigured();
+}
+
+QString VcsJsExtension::displayName(const QString &vcsId) const
+{
+    IVersionControl *vc = VcsManager::versionControl(Id::fromString(vcsId));
+    return vc ? vc->displayName() : QString();
+}
+
+} // namespace Internal
+} // namespace VcsBase

src/plugins/vcsbase/wizard/vcsjsextension.h

@@ -0,0 +1,51 @@
+/****************************************************************************
+**
+** Copyright (C) 2015 Digia Plc and/or its subsidiary(-ies).
+** Contact: http://www.qt-project.org/legal
+**
+** This file is part of Qt Creator.
+**
+** Commercial License Usage
+** Licensees holding valid commercial Qt licenses may use this file in
+** accordance with the commercial license agreement provided with the
+** Software or, alternatively, in accordance with the terms contained in
+** a written agreement between you and Digia.  For licensing terms and
+** conditions see http://www.qt.io/licensing.  For further information
+** use the contact form at http://www.qt.io/contact-us.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 or version 3 as published by the Free
+** Software Foundation and appearing in the file LICENSE.LGPLv21 and
+** LICENSE.LGPLv3 included in the packaging of this file.  Please review the
+** following information to ensure the GNU Lesser General Public License
+** requirements will be met: https://www.gnu.org/licenses/lgpl.html and
+** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Digia gives you certain additional
+** rights.  These rights are described in the Digia Qt LGPL Exception
+** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+**
+****************************************************************************/
+
+#ifndef VCSJSEXTENSION_H
+#define VCSJSEXTENSION_H
+
+#include <QObject>
+
+namespace VcsBase {
+namespace Internal {
+
+class VcsJsExtension : public QObject
+{
+    Q_OBJECT
+
+public:
+    Q_INVOKABLE bool isConfigured(const QString &vcsId) const;
+    Q_INVOKABLE QString displayName(const QString &vcsId) const;
+};
+
+} // namespace Internal
+} // namespace VcsBase
+
+#endif // VCSJSEXTENSION_H