qgsnewsfeedmodel.h

Go to the documentation of this file.

/***************************************************************************
    qgsnewsfeedmodel.h
    ------------------
    begin                : July 2019
    copyright            : (C) 2019 by Nyall Dawson
    email                : nyall dot dawson at gmail dot com
 ***************************************************************************
 *                                                                         *
 *   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 QGSNEWSFEEDMODEL_H
#define QGSNEWSFEEDMODEL_H
 
#include "qgis_core.h"
#include "qgis_sip.h"
#include "qgsnewsfeedparser.h"
 
#include <QAbstractItemModel>
#include <QSortFilterProxyModel>

class CORE_EXPORT QgsNewsFeedModel : public QAbstractItemModel
{
    Q_OBJECT
  public:
    // *INDENT-OFF*

    enum class CustomRole SIP_MONKEYPATCH_SCOPEENUM_UNNEST( QgsNewsFeedModel, Role ) : int
    {
      Key = Qt::UserRole + 1, 
      Title,                  
      Content,                
      ImageUrl,               
      Image,                  
      Link,                   
      Sticky,                 
    };
    Q_ENUM( CustomRole )
    // *INDENT-ON*
 
    
    QgsNewsFeedModel( QgsNewsFeedParser *parser, QObject *parent SIP_TRANSFERTHIS = nullptr );
 
    QVariant data( const QModelIndex &index, int role ) const override;
    Qt::ItemFlags flags( const QModelIndex &index ) const override;
    QModelIndex index( int row, int column, const QModelIndex &parent = QModelIndex() ) const override;
    QModelIndex parent( const QModelIndex &index ) const override;
    int rowCount( const QModelIndex &parent = QModelIndex() ) const override;
    int columnCount( const QModelIndex &parent = QModelIndex() ) const override;
    QHash<int, QByteArray> roleNames() const override;
 
  private slots:
 
    void onEntryAdded( const QgsNewsFeedParser::Entry &entry );
    void onEntryRemoved( const QgsNewsFeedParser::Entry &entry );
    void onEntryUpdated( const QgsNewsFeedParser::Entry &entry );
    void onImageFetched( int key, const QPixmap &pixmap );
 
  private:
    QgsNewsFeedParser *mParser = nullptr;
    QList< QgsNewsFeedParser::Entry > mEntries;
};

class CORE_EXPORT QgsNewsFeedProxyModel : public QSortFilterProxyModel
{
    Q_OBJECT
  public:
    explicit QgsNewsFeedProxyModel( QgsNewsFeedParser *parser, QObject *parent SIP_TRANSFERTHIS = nullptr );
 
  protected:
    bool lessThan( const QModelIndex &left, const QModelIndex &right ) const override;
 
  private:
    QgsNewsFeedModel *mModel = nullptr;
};
 
#endif // QGSNEWSFEEDMODEL_H