Rename DiffEditorFile -> DiffEditorDocument

The old name had nothing to do with a file in fact.
The new name will be more appropriate for the new stuff,
which will come soon.

Change-Id: I17ad03dab5c643ff26e313a434ba86929a0f00c3
Reviewed-by: Eike Ziller <eike.ziller@digia.com>

src/plugins/diffeditor/diffeditordocument.cpp

@@ -0,0 +1,83 @@
+/****************************************************************************
+**
+** Copyright (C) 2014 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://qt.digia.com/licensing.  For further information
+** use the contact form at http://qt.digia.com/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 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, 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 "diffeditordocument.h"
+#include "diffeditorconstants.h"
+
+#include <QCoreApplication>
+
+namespace DiffEditor {
+namespace Internal {
+
+///////////////////////////////// DiffFile //////////////////////////////////
+
+DiffEditorDocument::DiffEditorDocument(const QString &mimeType, QObject *parent) :
+    Core::IDocument(parent),
+    m_mimeType(mimeType)
+{
+    setDisplayName(QCoreApplication::translate("DiffEditor", Constants::DIFF_EDITOR_DISPLAY_NAME));
+    setTemporary(true);
+}
+
+bool DiffEditorDocument::setContents(const QByteArray &contents)
+{
+    Q_UNUSED(contents);
+    return true;
+}
+
+bool DiffEditorDocument::save(QString *errorString, const QString &fileName, bool autoSave)
+{
+    Q_UNUSED(errorString)
+    Q_UNUSED(fileName)
+    Q_UNUSED(autoSave)
+    return false;
+}
+
+QString DiffEditorDocument::mimeType() const
+{
+    return m_mimeType;
+}
+
+Core::IDocument::ReloadBehavior DiffEditorDocument::reloadBehavior(ChangeTrigger state, ChangeType type) const
+{
+    Q_UNUSED(state)
+    Q_UNUSED(type)
+    return BehaviorSilent;
+}
+
+bool DiffEditorDocument::reload(QString *errorString, ReloadFlag flag, ChangeType type)
+{
+    Q_UNUSED(errorString)
+    Q_UNUSED(flag)
+    Q_UNUSED(type)
+    return false;
+}
+
+} // namespace Internal
+} // namespace DiffEditor