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/**************************************************************************
**
** This file is part of Qt Creator
**
** Copyright (c) 2012 Nokia Corporation and/or its subsidiary(-ies).
**
** Contact: http://www.qt-project.org/
**
**
** 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.
**
**
**************************************************************************/
#ifndef REFACTORINGCHANGES_H
#define REFACTORINGCHANGES_H
#include <utils/changeset.h>
#include <utils/textfileformat.h>
#include <texteditor/texteditor_global.h>
#include <QList>
#include <QString>
#include <QSharedPointer>
#include <QPair>
QT_BEGIN_NAMESPACE
class QTextDocument;
QT_END_NAMESPACE
namespace TextEditor {
class BaseTextEditorWidget;
class RefactoringChanges;
class RefactoringFile;
class RefactoringChangesData;
typedef QSharedPointer<RefactoringFile> RefactoringFilePtr;
// ### listen to the m_editor::destroyed signal?
class TEXTEDITOR_EXPORT RefactoringFile
{
Q_DISABLE_COPY(RefactoringFile)
public:
typedef Utils::ChangeSet::Range Range;
public:
virtual ~RefactoringFile();
bool isValid() const;
const QTextDocument *document() const;
// mustn't use the cursor to change the document
const QTextCursor cursor() const;
QString fileName() const;
// converts 1-based line and column into 0-based source offset
int position(unsigned line, unsigned column) const;
// converts 0-based source offset into 1-based line and column
void lineAndColumn(int offset, unsigned *line, unsigned *column) const;
QChar charAt(int pos) const;
QString textOf(int start, int end) const;
QString textOf(const Range &range) const;
void setChangeSet(const Utils::ChangeSet &changeSet);
void appendIndentRange(const Range &range);
void appendReindentRange(const Range &range);
void setOpenEditor(bool activate = false, int pos = -1);
void apply();
protected:
// users may only get const access to RefactoringFiles created through
// this constructor, because it can't be used to apply changes
RefactoringFile(QTextDocument *document, const QString &fileName);
RefactoringFile(BaseTextEditorWidget *editor);
RefactoringFile(const QString &fileName, const QSharedPointer<RefactoringChangesData> &data);
QTextDocument *mutableDocument() const;
// derived classes may want to clear language specific extra data
virtual void fileChanged();
void indentOrReindent(void (RefactoringChangesData::*mf)(const QTextCursor &,
const QString &,
const BaseTextEditorWidget *) const,
const QList<QPair<QTextCursor, QTextCursor> > &ranges);
protected:
QString m_fileName;
QSharedPointer<RefactoringChangesData> m_data;
mutable Utils::TextFileFormat m_textFileFormat;
mutable QTextDocument *m_document;
BaseTextEditorWidget *m_editor;
Utils::ChangeSet m_changes;
QList<Range> m_indentRanges;
QList<Range> m_reindentRanges;
bool m_openEditor;
bool m_activateEditor;
int m_editorCursorPosition;
bool m_appliedOnce;
friend class RefactoringChanges; // access to constructor
};
/*!
This class batches changes to multiple file, which are applied as a single big
change.
*/
class TEXTEDITOR_EXPORT RefactoringChanges
{
public:
typedef Utils::ChangeSet::Range Range;
public:
RefactoringChanges();
virtual ~RefactoringChanges();
static RefactoringFilePtr file(BaseTextEditorWidget *editor);
RefactoringFilePtr file(const QString &fileName) const;
bool createFile(const QString &fileName, const QString &contents, bool reindent = true, bool openEditor = true) const;
bool removeFile(const QString &fileName) const;
static BaseTextEditorWidget *editorForFile(const QString &fileName);
protected:
explicit RefactoringChanges(RefactoringChangesData *data);
static BaseTextEditorWidget *openEditor(const QString &fileName, bool activate, int line, int column);
static QList<QPair<QTextCursor, QTextCursor> > rangesToSelections(QTextDocument *document,
const QList<Range> &ranges);
protected:
QSharedPointer<RefactoringChangesData> m_data;
friend class RefactoringFile;
};
class TEXTEDITOR_EXPORT RefactoringChangesData
{
Q_DISABLE_COPY(RefactoringChangesData)
public:
RefactoringChangesData() {}
virtual ~RefactoringChangesData();
virtual void indentSelection(const QTextCursor &selection,
const QString &fileName,
const BaseTextEditorWidget *textEditor) const;
virtual void reindentSelection(const QTextCursor &selection,
const QString &fileName,
const BaseTextEditorWidget *textEditor) const;
virtual void fileChanged(const QString &fileName);
};
} // namespace TextEditor
#endif // REFACTORINGCHANGES_H
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