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// Copyright (C) 2017 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause
#ifndef DOCUMENTHANDLER_H
#define DOCUMENTHANDLER_H
#include <QFont>
#include <QObject>
#include <QTextCursor>
#include <QUrl>
QT_BEGIN_NAMESPACE
class QTextDocument;
class QQuickTextDocument;
QT_END_NAMESPACE
class DocumentHandler : public QObject
{
Q_OBJECT
Q_PROPERTY(QQuickTextDocument *document READ document WRITE setDocument NOTIFY documentChanged)
Q_PROPERTY(int cursorPosition READ cursorPosition WRITE setCursorPosition NOTIFY cursorPositionChanged)
Q_PROPERTY(int selectionStart READ selectionStart WRITE setSelectionStart NOTIFY selectionStartChanged)
Q_PROPERTY(int selectionEnd READ selectionEnd WRITE setSelectionEnd NOTIFY selectionEndChanged)
Q_PROPERTY(QColor textColor READ textColor WRITE setTextColor NOTIFY textColorChanged)
Q_PROPERTY(Qt::Alignment alignment READ alignment WRITE setAlignment NOTIFY alignmentChanged)
Q_PROPERTY(QFont font READ font WRITE setFont NOTIFY fontChanged)
Q_PROPERTY(bool bold READ bold WRITE setBold NOTIFY boldChanged)
Q_PROPERTY(bool underline READ underline WRITE setUnderline NOTIFY underlineChanged)
Q_PROPERTY(bool italic READ italic WRITE setItalic NOTIFY italicChanged)
Q_PROPERTY(QString fileName READ fileName NOTIFY fileUrlChanged)
Q_PROPERTY(QString fileType READ fileType NOTIFY fileUrlChanged)
Q_PROPERTY(QUrl fileUrl READ fileUrl NOTIFY fileUrlChanged)
Q_PROPERTY(bool modified READ modified WRITE setModified NOTIFY modifiedChanged)
public:
explicit DocumentHandler(QObject *parent = nullptr);
QQuickTextDocument *document() const;
void setDocument(QQuickTextDocument *document);
int cursorPosition() const;
void setCursorPosition(int position);
int selectionStart() const;
void setSelectionStart(int position);
int selectionEnd() const;
void setSelectionEnd(int position);
QColor textColor() const;
void setTextColor(const QColor &color);
Qt::Alignment alignment() const;
void setAlignment(Qt::Alignment alignment);
QFont font() const;
void setFont(const QFont & font);
bool bold() const;
void setBold(bool bold);
bool underline() const;
void setUnderline(bool underline);
bool italic() const;
void setItalic(bool italic);
QString fileName() const;
QString fileType() const;
QUrl fileUrl() const;
bool modified() const;
void setModified(bool m);
public Q_SLOTS:
void load(const QUrl &fileUrl);
void saveAs(const QUrl &fileUrl);
Q_SIGNALS:
void documentChanged();
void cursorPositionChanged();
void selectionStartChanged();
void selectionEndChanged();
void fontChanged();
void boldChanged();
void underlineChanged();
void italicChanged();
void textColorChanged();
void alignmentChanged();
void textChanged();
void fileUrlChanged();
void loaded(const QString &text, int format);
void error(const QString &message);
void modifiedChanged();
private:
void reset();
QTextCursor textCursor() const;
QTextDocument *textDocument() const;
void mergeFormatOnWordOrSelection(const QTextCharFormat &format);
QQuickTextDocument *m_document;
int m_cursorPosition;
int m_selectionStart;
int m_selectionEnd;
QUrl m_fileUrl;
};
#endif // DOCUMENTHANDLER_H
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