qgsmaplayerstyle.h

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/***************************************************************************
  qgsmaplayersty.h
  --------------------------------------
  Date                 : September 2019
  Copyright            : (C) 2018 by Denis Rouzaud
  Email                : denis@opengis.ch
 ***************************************************************************
 *                                                                         *
 *   This program is free software; you can redistribute it and/or modify  *
 *   it under the terms of the GNU General Public License as published by  *
 *   the Free Software Foundation; either version 2 of the License, or     *
 *   (at your option) any later version.                                   *
 *                                                                         *
 ***************************************************************************/
 
#ifndef QGSMAPLAYERSTYLE_H
#define QGSMAPLAYERSTYLE_H
 
#include "qgis_core.h"
#include "qgis_sip.h"
 
#include <QByteArray>
#include <QMap>
#include <QObject>
#include <QStringList>
 
class QDomElement;
class QgsMapLayer;

class CORE_EXPORT QgsMapLayerStyle
{
  public:
    QgsMapLayerStyle() = default;

    explicit QgsMapLayerStyle( const QString &xmlData );

    bool isValid() const;

    void clear();

    QString xmlData() const;

    void readFromLayer( QgsMapLayer *layer );
    void writeToLayer( QgsMapLayer *layer ) const;

    void readXml( const QDomElement &styleElement );
    void writeXml( QDomElement &styleElement ) const;
 
  private:
    QString mXmlData;
};
 

class CORE_EXPORT QgsMapLayerStyleOverride
{
  public:
    QgsMapLayerStyleOverride( QgsMapLayer *layer )
      : mLayer( layer )
    {}
 
    ~QgsMapLayerStyleOverride();

    void setOverrideStyle( const QString &style );
 
  private:
    QgsMapLayer *mLayer = nullptr;
    bool mStyleOverridden = false;
};
#endif // QGSMAPLAYERSTYLE_H