qgsstyleexportimportdialog.h

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/***************************************************************************
    qgsstyleexportimportdialog.h
    ---------------------
    begin                : Jan 2011
    copyright            : (C) 2011 by Alexander Bruy
    email                : alexander dot bruy 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 QGSSTYLEV2EXPORTIMPORTDIALOG_H
#define QGSSTYLEV2EXPORTIMPORTDIALOG_H

#include <QDialog>
#include <QUrl>

#include "ui_qgsstyleexportimportdialogbase.h"
#include "qgis_gui.h"
#include "qgis_sip.h"
#include "qgshelp.h"

class QgsStyle;
class QgsStyleGroupSelectionDialog;
class QgsTemporaryCursorOverride;
class QgsStyleModel;
class QTemporaryFile;
class QProgressDialog;
class QNetworkAccessManager;
class QNetworkReply;

class GUI_EXPORT QgsStyleExportImportDialog : public QDialog, private Ui::QgsStyleExportImportDialogBase
{
    Q_OBJECT

  public:
    enum Mode
    {
      Export,
      Import
    };

    // constructor
    // mode argument must be 0 for saving and 1 for loading
    QgsStyleExportImportDialog( QgsStyle *style, QWidget *parent SIP_TRANSFERTHIS = nullptr, Mode mode = Export );
    ~QgsStyleExportImportDialog() override;

    void selectSymbols( const QStringList &symbolNames );

    void deselectSymbols( const QStringList &symbolNames );

  public slots:
    void doExportImport();

    void selectByGroup();

    void selectAll();

    void clearSelection();

    void selectTag( const QString &tagName );

    void deselectTag( const QString &tagName );

    void selectSmartgroup( const QString &groupName );

    void deselectSmartgroup( const QString &groupName );

    void importTypeChanged( int );

  private slots:
    void httpFinished();
    void fileReadyRead();
    void updateProgress( qint64, qint64 );
    void downloadCanceled();
    void selectionChanged( const QItemSelection &selected, const QItemSelection &deselected );
    void showHelp();

    void fetch();
    void importFileChanged( const QString &path );

  private:

    enum ImportSource
    {
      File,
      //Official,
      Url,
    };

    void downloadStyleXml( const QUrl &url );
    bool populateStyles();
    void moveStyles( QModelIndexList *selection, QgsStyle *src, QgsStyle *dst );

    QProgressDialog *mProgressDlg = nullptr;
    QgsStyleGroupSelectionDialog *mGroupSelectionDlg = nullptr;
    QTemporaryFile *mTempFile = nullptr;
    QNetworkAccessManager *mNetManager = nullptr;
    QNetworkReply *mNetReply = nullptr;

    QString mFileName;
    Mode mDialogMode;

    QgsStyleModel *mModel = nullptr;

    QgsStyle *mStyle = nullptr;
    std::unique_ptr< QgsStyle > mTempStyle;
    std::unique_ptr< QgsTemporaryCursorOverride > mCursorOverride;
};

#endif // QGSSTYLEV2EXPORTIMPORTDIALOG_H