Add DiffEditorController

Change-Id: Ic2f4a38d2ed08426ca7e5229d959b10fa545c129
Reviewed-by: Tobias Hunger <tobias.hunger@digia.com>

src/plugins/diffeditor/diffeditorcontroller.h

@@ -0,0 +1,114 @@
+/****************************************************************************
+**
+** 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.
+**
+****************************************************************************/
+
+#ifndef DIFFEDITORCONTROLLER_H
+#define DIFFEDITORCONTROLLER_H
+
+#include "diffeditor_global.h"
+
+#include <QObject>
+
+namespace DiffEditor {
+
+class DIFFEDITOR_EXPORT DiffEditorController : public QObject
+{
+//    Q_PROPERTY(QString source READ source WRITE setSource)
+    Q_OBJECT
+public:
+    class DiffFileInfo {
+    public:
+        DiffFileInfo() {}
+        DiffFileInfo(const QString &file) : fileName(file) {}
+        DiffFileInfo(const QString &file, const QString &type) : fileName(file), typeInfo(type) {}
+        QString fileName;
+        QString typeInfo;
+    };
+
+    class DiffFilesContents {
+    public:
+        DiffFileInfo leftFileInfo;
+        QString leftText;
+        DiffFileInfo rightFileInfo;
+        QString rightText;
+    };
+
+    DiffEditorController(QObject *parent = 0);
+    ~DiffEditorController();
+
+//    QTextCodec *codec() const;
+
+//    QString source() const;
+//    void setSource(const  QString &source);
+
+    QString clearMessage() const;
+
+    QList<DiffFilesContents> diffContents() const;
+    QString workingDirectory() const;
+
+    int contextLinesNumber() const;
+    bool isIgnoreWhitespaces() const;
+    bool horizontalScrollBarSynchronization() const;
+    int currentDiffFileIndex() const;
+
+public slots:
+    void clear();
+    void clear(const QString &message);
+    void setDiffContents(const QList<DiffEditorController::DiffFilesContents> &diffFileList, const QString &workingDirectory = QString());
+
+    void setContextLinesNumber(int lines);
+    void setIgnoreWhitespaces(bool ignore);
+    void setHorizontalScrollBarSynchronization(bool on);
+    void setCurrentDiffFileIndex(int diffFileIndex);
+
+signals:
+    // This sets the current diff file index to -1
+    void cleared(const QString message);
+    // This sets the current diff file index to 0 (unless diffFileList is empty)
+    void diffContentsChanged(const QList<DiffEditorController::DiffFilesContents> &diffFileList, const QString &workingDirectory);
+
+    void contextLinesNumberChanged(int lines);
+    void ignoreWhitespacesChanged(bool ignore);
+    void horizontalScrollBarSynchronizationChanged(bool on);
+    void currentDiffFileIndexChanged(int diffFileIndex);
+
+private:
+    QString m_clearMessage;
+
+    QList<DiffFilesContents> m_diffFileList;
+    QString m_workingDirectory;
+
+    int m_contextLinesNumber;
+    bool m_ignoreWhitespaces;
+    bool m_syncScrollBars;
+    int m_currentDiffFileIndex;
+};
+
+} // namespace DiffEditor
+
+#endif // DIFFEDITORCONTROLLER_H