Added default implementation for IEditorFactory::open().

This change allows to avoid massive code duplication along editors.

Change-Id: Ifdc6ae4b44ab399d34193ab8dddfa1f76d65ad11
Reviewed-by: Eike Ziller <eike.ziller@nokia.com>

src/plugins/coreplugin/coreplugin.pro

@@ -94,7 +94,8 @@ SOURCES += mainwindow.cpp \
     featureprovider.cpp \
     idocument.cpp \
     textdocument.cpp \
-    documentmanager.cpp
+    documentmanager.cpp \
+    ieditorfactory.cpp
 
 HEADERS += mainwindow.h \
     editmode.h \

src/plugins/coreplugin/editormanager/ieditorfactory.h

@@ -47,6 +47,7 @@ public:
     IEditorFactory(QObject *parent = 0) : IDocumentFactory(parent) {}
 
     virtual IEditor *createEditor(QWidget *parent) = 0;
+    virtual IDocument *open(const QString &fileName);
 };
 
 } // namespace Core

src/plugins/coreplugin/ieditorfactory.cpp

@@ -0,0 +1,42 @@
+/**************************************************************************
+**
+** This file is part of Qt Creator
+**
+** Copyright (c) 2012 Nokia Corporation and/or its subsidiary(-ies).
+**
+** Contact: Nokia Corporation (qt-info@nokia.com)
+**
+**
+** GNU Lesser General Public License Usage
+**
+** This file may be used under the terms of the GNU Lesser General Public
+** License version 2.1 as published by the Free Software Foundation and
+** appearing in the file LICENSE.LGPL included in the packaging of this file.
+** Please review the following information to ensure the GNU Lesser General
+** Public License version 2.1 requirements will be met:
+** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain additional
+** rights. These rights are described in the Nokia Qt LGPL Exception
+** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+**
+** Other Usage
+**
+** Alternatively, this file may be used in accordance with the terms and
+** conditions contained in a signed written agreement between you and Nokia.
+**
+** If you have questions regarding the use of this file, please contact
+** Nokia at qt-info@nokia.com.
+**
+**************************************************************************/
+
+#include "ieditorfactory.h"
+
+#include "ieditor.h"
+#include "editormanager.h"
+
+Core::IDocument *Core::IEditorFactory::open(const QString &fileName)
+{
+    Core::IEditor *iface = Core::EditorManager::instance()->openEditor(fileName, id());
+    return iface ? iface->document() : 0;
+}