qgsstacdataitems.h

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/***************************************************************************
    qgsstacdataitems.h
    ---------------------
    begin                : August 2024
    copyright            : (C) 2024 by Stefanos Natsis
    email                : uclaros 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 QGSSTACDATAITEMS_H
#define QGSSTACDATAITEMS_H
 
#include "qgis_core.h"
#include "qgsconnectionsitem.h"
#include "qgsdataitemprovider.h"
#include "qgslayeritem.h"
#include "qgsstaccatalog.h"
#include "qgsstacitem.h"
 
#include <QString>
#include <QUrl>
 
#define SIP_NO_FILE
 
using namespace Qt::StringLiterals;
 
class QgsStacController;
class QgsStacCollection;

 

class CORE_EXPORT QgsStacAssetItem : public QgsDataItem
{
    Q_OBJECT
  public:
    QgsStacAssetItem( QgsDataItem *parent, const QString &name, const QgsStacAsset *asset );
 
    bool equal( const QgsDataItem *other ) override;
    QVariant sortKey() const override { return u"4 %1"_s.arg( mName ); }
    void updateToolTip();
    const QgsStacAsset *stacAsset() const { return mStacAsset; }
    QgsStacController *stacController() const;
 
  private:
    const QgsStacAsset *mStacAsset;
    const QString mName;
};
 

class CORE_EXPORT QgsStacAssetLayerItem : public QgsLayerItem
{
    Q_OBJECT
  public:
    static QgsStacAssetLayerItem *createItemForAsset( QgsDataItem *parent, const QString &name, const QgsStacAsset *asset, const QString &authcfg );

    QgsStacAssetLayerItem( QgsDataItem *parent, const QString &name, const QgsStacAsset *asset, const QgsMimeDataUtils::Uri &uri, Qgis::BrowserLayerType layerType, const QString &providerKey );
 
    bool hasDragEnabled() const override;
    QgsMimeDataUtils::UriList mimeUris() const override;
    bool equal( const QgsDataItem *other ) override;
    QVariant sortKey() const override { return u"4 %1"_s.arg( mName ); }
    void updateToolTip();
    const QgsStacAsset *stacAsset() const { return mStacAsset; }
    QgsStacController *stacController() const;
 
  private:
    const QgsStacAsset *mStacAsset;
    QgsMimeDataUtils::Uri mUri;
    const QString mName;
};
 

class CORE_EXPORT QgsStacFetchMoreItem : public QgsDataItem
{
    Q_OBJECT
  public:
    QgsStacFetchMoreItem( QgsDataItem *parent, const QString &name );
 
    bool handleDoubleClick() override;
    QVariant sortKey() const override { return u"3"_s; }
};

class CORE_EXPORT QgsStacItemItem : public QgsDataItem
{
    Q_OBJECT
  public:
    QgsStacItemItem( QgsDataItem *parent, const QString &name, const QString &path );
 
    QVector<QgsDataItem *> createChildren() override;
    bool hasDragEnabled() const override;
    QgsMimeDataUtils::UriList mimeUris() const override;
    bool equal( const QgsDataItem *other ) override;
    QVariant sortKey() const override { return u"2 %1"_s.arg( mName ); }
 
    void updateToolTip();
    QgsStacController *stacController() const;

    void setStacItem( std::unique_ptr< QgsStacItem > item );

    QgsStacItem *stacItem() const;
 
  public slots:
    void itemRequestFinished( int requestId, QString error );
 
  private:
    std::unique_ptr< QgsStacItem > mStacItem;
    QString mUri;
    QString mConnName;
};

class CORE_EXPORT QgsStacCatalogItem : public QgsDataCollectionItem
{
    Q_OBJECT
  public:
    QgsStacCatalogItem( QgsDataItem *parent, const QString &name, const QString &path );
 
    QVector<QgsDataItem *> createChildren() override;
    bool equal( const QgsDataItem *other ) override;
    QVariant sortKey() const override { return u"1 %1"_s.arg( mName ); }
 
    void updateToolTip();

    void setStacCatalog( std::unique_ptr< QgsStacCatalog > object );

    QgsStacCatalog *stacCatalog() const;
 
    void fetchMoreChildren();
 
    bool isCatalog() const;
    bool isCollection() const;
    QgsStacController *stacController() const;
    QgsStacCatalog *rootCatalog() const;
    QgsStacFetchMoreItem *fetchMoreItem() const;
 
  public slots:
    void childrenCreated() override;
 
  private slots:
    void onControllerFinished( int requestId, const QString &error );
 
  private:
    QVector< QgsDataItem * > createItems( const QVector<QgsStacItem *> items );
    QVector< QgsDataItem * > createCollections( const QVector<QgsStacCollection *> collections );

    QString mUri;
    QString mConnName;
    bool mIsCollection = false;
    std::unique_ptr< QgsStacCatalog > mStacCatalog;
    QUrl mFetchMoreUrl;
};

class CORE_EXPORT QgsStacConnectionItem : public QgsStacCatalogItem
{
    Q_OBJECT
  public:
    QgsStacConnectionItem( QgsDataItem *parent, const QString &connectionName );
 
    QgsStacController *controller() const;
 
  private:
    QString mUri;
    QString mConnName;
    std::unique_ptr<QgsStacController> mController;
};

class CORE_EXPORT QgsStacRootItem : public QgsConnectionsRootItem
{
    Q_OBJECT
  public:
    QgsStacRootItem( QgsDataItem *parent, const QString &name, const QString &path );
 
    QVector<QgsDataItem *> createChildren() override;
 
    QVariant sortKey() const override { return 3; }
 
  public slots:
    void onConnectionsChanged();
};

class CORE_EXPORT QgsStacDataItemProvider : public QgsDataItemProvider
{
  public:
    QString name() override;
    QString dataProviderKey() const override;
    Qgis::DataItemProviderCapabilities capabilities() const override;
    QgsDataItem *createDataItem( const QString &path, QgsDataItem *parentItem ) override;
};

 
#endif // QGSSTACDATAITEMS_H