Text editor: Introduce per project settings

With some refactorings to make the code look better.

Reviewed-by: con

src/plugins/texteditor/extraencodingsettings.cpp

@@ -0,0 +1,78 @@
+/**************************************************************************
+**
+** This file is part of Qt Creator
+**
+** Copyright (c) 2011 Nokia Corporation and/or its subsidiary(-ies).
+**
+** Contact: Nokia Corporation (qt-info@nokia.com)
+**
+** Commercial Usage
+**
+** Licensees holding valid Qt Commercial licenses may use this file in
+** accordance with the Qt Commercial License Agreement provided with the
+** Software or, alternatively, in accordance with the terms contained in
+** a written agreement between you and Nokia.
+**
+** 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 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.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at http://qt.nokia.com/contact.
+**
+**************************************************************************/
+
+#include "extraencodingsettings.h"
+
+#include <utils/settingsutils.h>
+
+#include <QtCore/QLatin1String>
+#include <QtCore/QSettings>
+
+// Keep this for compatibility reasons.
+static const char * const kGroupPostfix = "EditorManager";
+static const char * const kUtf8BomBehaviorKey = "Utf8BomBehavior";
+
+using namespace TextEditor;
+
+ExtraEncodingSettings::ExtraEncodingSettings() : m_utf8BomSetting(OnlyKeep)
+{}
+
+ExtraEncodingSettings::~ExtraEncodingSettings()
+{}
+
+void ExtraEncodingSettings::toSettings(const QString &category, QSettings *s) const
+{
+    Q_UNUSED(category)
+
+    Utils::toSettings(QLatin1String(kGroupPostfix), QString(), s, this);
+}
+
+void ExtraEncodingSettings::fromSettings(const QString &category, const QSettings *s)
+{
+    Q_UNUSED(category)
+
+    *this = ExtraEncodingSettings();
+    Utils::fromSettings(QLatin1String(kGroupPostfix), QString(), s, this);
+}
+
+void ExtraEncodingSettings::toMap(const QString &prefix, QVariantMap *map) const
+{
+    map->insert(prefix + QLatin1String(kUtf8BomBehaviorKey), m_utf8BomSetting);
+}
+
+void ExtraEncodingSettings::fromMap(const QString &prefix, const QVariantMap &map)
+{
+    m_utf8BomSetting = (Utf8BomSetting)
+        map.value(prefix + QLatin1String(kUtf8BomBehaviorKey), m_utf8BomSetting).toInt();
+}
+
+bool ExtraEncodingSettings::equals(const ExtraEncodingSettings &s) const
+{
+    return m_utf8BomSetting == s.m_utf8BomSetting;
+}