qgsprocessingdefaultstyledialog.h

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/***************************************************************************
                             qgsprocessingdefaultstyledialog.h
                             ----------------------------------
    Date                 : September 2026
    Copyright            : (C) 2026 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 QGSPROCESSINGDEFAULTSTYLEDIALOG_H
#define QGSPROCESSINGDEFAULTSTYLEDIALOG_H
 
#include "ui_qgsprocessingdefaultstylesdialogbase.h"
 
#include "qgis.h"
#include "qgis_gui.h"
 
#include <QDialog>
#include <QStyledItemDelegate>
 
#define SIP_NO_FILE
 
class QgsProcessingAlgorithm;

 
class QgsProcessingDefaultStyleDelegate : public QStyledItemDelegate
{
    Q_OBJECT
 
  public:
    explicit QgsProcessingDefaultStyleDelegate( QObject *parent = nullptr );
 
    QWidget *createEditor( QWidget *parent, const QStyleOptionViewItem &option, const QModelIndex &index ) const override;
 
    void setEditorData( QWidget *editor, const QModelIndex &index ) const override;
 
    void setModelData( QWidget *editor, QAbstractItemModel *model, const QModelIndex &index ) const override;
 
    void updateEditorGeometry( QWidget *editor, const QStyleOptionViewItem &option, const QModelIndex &index ) const override;
};
 
 
class QgsProcessingDefaultStylesModel : public QAbstractTableModel
{
    Q_OBJECT
 
  public:
    explicit QgsProcessingDefaultStylesModel( const QgsProcessingAlgorithm *algorithm, QObject *parent = nullptr );
 
    int rowCount( const QModelIndex &parent = QModelIndex() ) const override;
    int columnCount( const QModelIndex &parent = QModelIndex() ) const override;
    QVariant data( const QModelIndex &index, int role = Qt::DisplayRole ) const override;
    bool setData( const QModelIndex &index, const QVariant &value, int role = Qt::EditRole ) override;
    Qt::ItemFlags flags( const QModelIndex &index ) const override;
    QVariant headerData( int section, Qt::Orientation orientation, int role = Qt::DisplayRole ) const override;
 
    void saveStyles();
 
  private:
    enum Column
    {
      OutputName = 0,
      StylePath = 1
    };
 
    struct OutputItem
    {
        QString name;
        QString description;
        QString stylePath;
    };
 
    QString mAlgorithmId;
    QVector<OutputItem> mItems;
};

class GUI_EXPORT QgsProcessingDefaultStyleDialog : public QDialog, private Ui::QgsProcessingDefaultStylesDialogBase
{
    Q_OBJECT
 
  public:
    QgsProcessingDefaultStyleDialog( const QgsProcessingAlgorithm *algorithm, QWidget *parent SIP_TRANSFERTHIS = nullptr );
 
    void accept() override;
 
  protected:
    void showEvent( QShowEvent *event ) override;
 
  private:
    const QgsProcessingAlgorithm *mAlgorithm = nullptr;
    QgsProcessingDefaultStylesModel *mModel = nullptr;
    QgsProcessingDefaultStyleDelegate *mDelegate = nullptr;
    bool mInitialWidthsSet = false;
};
 
#endif // QGSPROCESSINGDEFAULTSTYLEDIALOG_H