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/****************************************************************************
**
** Copyright (C) 2017 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of the examples of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:BSD$
** 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 The Qt Company. For licensing terms
** and conditions see https://www.qt.io/terms-conditions. For further
** information use the contact form at https://www.qt.io/contact-us.
**
** BSD License Usage
** Alternatively, you may use this file under the terms of the BSD license
** as follows:
**
** "Redistribution and use in source and binary forms, with or without
** modification, are permitted provided that the following conditions are
** met:
** * Redistributions of source code must retain the above copyright
** notice, this list of conditions and the following disclaimer.
** * Redistributions in binary form must reproduce the above copyright
** notice, this list of conditions and the following disclaimer in
** the documentation and/or other materials provided with the
** distribution.
** * Neither the name of The Qt Company Ltd nor the names of its
** contributors may be used to endorse or promote products derived
** from this software without specific prior written permission.
**
**
** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
**
** $QT_END_LICENSE$
**
****************************************************************************/
#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(QString fontFamily READ fontFamily WRITE setFontFamily NOTIFY fontFamilyChanged)
Q_PROPERTY(Qt::Alignment alignment READ alignment WRITE setAlignment NOTIFY alignmentChanged)
Q_PROPERTY(bool bold READ bold WRITE setBold NOTIFY boldChanged)
Q_PROPERTY(bool italic READ italic WRITE setItalic NOTIFY italicChanged)
Q_PROPERTY(bool underline READ underline WRITE setUnderline NOTIFY underlineChanged)
Q_PROPERTY(int fontSize READ fontSize WRITE setFontSize NOTIFY fontSizeChanged)
Q_PROPERTY(QString fileName READ fileName NOTIFY fileUrlChanged)
Q_PROPERTY(QString fileType READ fileType NOTIFY fileUrlChanged)
Q_PROPERTY(QUrl fileUrl READ fileUrl NOTIFY fileUrlChanged)
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);
QString fontFamily() const;
void setFontFamily(const QString &family);
QColor textColor() const;
void setTextColor(const QColor &color);
Qt::Alignment alignment() const;
void setAlignment(Qt::Alignment alignment);
bool bold() const;
void setBold(bool bold);
bool italic() const;
void setItalic(bool italic);
bool underline() const;
void setUnderline(bool underline);
int fontSize() const;
void setFontSize(int size);
QString fileName() const;
QString fileType() const;
QUrl fileUrl() const;
public Q_SLOTS:
void load(const QUrl &fileUrl);
void saveAs(const QUrl &fileUrl);
Q_SIGNALS:
void documentChanged();
void cursorPositionChanged();
void selectionStartChanged();
void selectionEndChanged();
void fontFamilyChanged();
void textColorChanged();
void alignmentChanged();
void boldChanged();
void italicChanged();
void underlineChanged();
void fontSizeChanged();
void textChanged();
void fileUrlChanged();
void loaded(const QString &text);
void error(const QString &message);
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;
QFont m_font;
int m_fontSize;
QUrl m_fileUrl;
};
#endif // DOCUMENTHANDLER_H
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