documenthandler.h Example File

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#ifndef DOCUMENTHANDLER_H
#define DOCUMENTHANDLER_H
#include <QQuickTextDocument>
#include <QtGui/QTextCharFormat>
#include <QtCore/QTextCodec>
#include <qqmlfile.h>
class QTextDocument;
class DocumentHandler : public QObject
{
    Q_OBJECT
    Q_ENUMS(HAlignment)
    Q_PROPERTY(QQuickItem *target READ target WRITE setTarget NOTIFY targetChanged)
    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(QStringList defaultFontSizes READ defaultFontSizes NOTIFY defaultFontSizesChanged)
    Q_PROPERTY(QUrl fileUrl READ fileUrl WRITE setFileUrl NOTIFY fileUrlChanged)
    Q_PROPERTY(QString text READ text WRITE setText NOTIFY textChanged)
    Q_PROPERTY(QString documentTitle READ documentTitle WRITE setDocumentTitle NOTIFY documentTitleChanged)
public:
    DocumentHandler();
    QQuickItem *target() { return m_target; }
    void setTarget(QQuickItem *target);
    void setCursorPosition(int position);
    void setSelectionStart(int position);
    void setSelectionEnd(int position);
    int cursorPosition() const { return m_cursorPosition; }
    int selectionStart() const { return m_selectionStart; }
    int selectionEnd() const { return m_selectionEnd; }
    QString fontFamily() const;
    QColor textColor() const;
    Qt::Alignment alignment() const;
    void setAlignment(Qt::Alignment a);
    bool bold() const;
    bool italic() const;
    bool underline() const;
    int fontSize() const;
    QStringList defaultFontSizes() const;
    QUrl fileUrl() const;
    QString text() const;
    QString documentTitle() const;
public Q_SLOTS:
    void setBold(bool arg);
    void setItalic(bool arg);
    void setUnderline(bool arg);
    void setFontSize(int arg);
    void setTextColor(const QColor &arg);
    void setFontFamily(const QString &arg);
    void setFileUrl(const QUrl &arg);
    void setText(const QString &arg);
    void saveAs(const QUrl &arg, const QString &fileType);
    void setDocumentTitle(QString arg);
Q_SIGNALS:
    void targetChanged();
    void cursorPositionChanged();
    void selectionStartChanged();
    void selectionEndChanged();
    void fontFamilyChanged();
    void textColorChanged();
    void alignmentChanged();
    void boldChanged();
    void italicChanged();
    void underlineChanged();
    void fontSizeChanged();
    void defaultFontSizesChanged();
    void fileUrlChanged();
    void textChanged();
    void documentTitleChanged();
    void error(QString message);
private:
    void reset();
    QTextCursor textCursor() const;
    void mergeFormatOnWordOrSelection(const QTextCharFormat &format);
    QQuickItem *m_target;
    QTextDocument *m_doc;
    int m_cursorPosition;
    int m_selectionStart;
    int m_selectionEnd;
    QFont m_font;
    int m_fontSize;
    QUrl m_fileUrl;
    QString m_text;
    QString m_documentTitle;
};
#endif