add method to set raster options in QgsRasterFormatOptionsWidget

Author: alexbruy

python/gui/qgsrasterformatsaveoptionswidget.sip

@@ -21,19 +21,69 @@ class QgsRasterFormatSaveOptionsWidget : QWidget
                                       const QString& provider = "gdal" );
     ~QgsRasterFormatSaveOptionsWidget();
 
+    /**
+     * Set output raster format, it is used to determine list
+     * of available options
+     */
     void setFormat( const QString& format );
+
+    /**
+     * Set provider key, , it is used to determine list
+     * of available options
+     */
     void setProvider( const QString& provider );
+
+    /**
+     * Set output raster layer
+     */
     void setRasterLayer( QgsRasterLayer* rasterLayer );
+
+    /**
+     * Set output raster file name
+     */
     void setRasterFileName( const QString& file );
+
+    /**
+     * Returns list of selected options
+     * @see setOptions()
+     */
     QStringList options() const;
+
+    /**
+     * Populate widget with user-defined options
+     * @see options()
+     * @note added in QGIS 3.0
+     */
+    void setOptions( const QString& options);
+
+    /**
+     * Set widget look and feel
+     */
     void setType( QgsRasterFormatSaveOptionsWidget::Type type = Default );
+
+    /**
+     * Set pyramids format to use
+     */
     void setPyramidsFormat( QgsRaster::RasterPyramidsFormat format );
 
   public slots:
 
     void apply();
+
+    /**
+     * Opens window with options desctiption for given provider
+     * and output format
+     */
     void helpOptions();
+
+    /**
+     * Validates options correctness
+     */
     QString validateOptions( bool gui = true, bool reportOk = true );
+
+    /**
+     * Reloads profiles list from QGIS settings
+     */
     void updateProfiles();
 
   private slots:

src/gui/qgsrasterformatsaveoptionswidget.cpp

@@ -631,3 +631,28 @@ void QgsRasterFormatSaveOptionsWidget::showEvent( QShowEvent * event )
   QgsDebugMsg( "done" );
 }
 
+void QgsRasterFormatSaveOptionsWidget::setOptions( const QString& options)
+{
+  mOptionsTable->blockSignals( true );
+  mOptionsTable->clearContents();
+
+  QStringList values;
+  QStringList optionsList = options.trimmed().split( ' ', QString::SkipEmptyParts );
+  Q_FOREACH ( const QString &opt, optionsList )
+  {
+    int rowCount = mOptionsTable->rowCount();
+    mOptionsTable->insertRow( rowCount );
+
+    values = opt.split( '=' );
+    QTableWidgetItem* nameItem = new QTableWidgetItem( values.at( 0 ) );
+    mOptionsTable->setItem( rowCount, 0, nameItem );
+    QTableWidgetItem* valueItem = new QTableWidgetItem( values.at( 1 ) );
+    mOptionsTable->setItem( rowCount, 0, valueItem );
+  }
+
+  mOptionsMap[ currentProfileKey()] = options.trimmed();
+  mOptionsLineEdit->setText( options.trimmed() );
+  mOptionsLineEdit->setCursorPosition( 0 );
+
+  mOptionsTable->blockSignals( false );
+}

src/gui/qgsrasterformatsaveoptionswidget.h

@@ -47,20 +47,70 @@ class GUI_EXPORT QgsRasterFormatSaveOptionsWidget: public QWidget,
                                       QgsRasterFormatSaveOptionsWidget::Type type = Default,
                                       const QString& provider = "gdal" );
 
+    /**
+     * Set output raster format, it is used to determine list
+     * of available options
+     */
     void setFormat( const QString& format );
+
+    /**
+     * Set provider key, , it is used to determine list
+     * of available options
+     */
     void setProvider( const QString& provider );
+
+    /**
+     * Set output raster layer
+     */
     void setRasterLayer( QgsRasterLayer* rasterLayer ) { mRasterLayer = rasterLayer; mRasterFileName = QString(); }
+
+    /**
+     * Set output raster file name
+     */
     void setRasterFileName( const QString& file ) { mRasterLayer = nullptr; mRasterFileName = file; }
+
+    /**
+     * Returns list of selected options
+     * @see setOptions()
+     */
     QStringList options() const;
+
+    /**
+     * Populate widget with user-defined options
+     * @see options()
+     * @note added in QGIS 3.0
+     */
+    void setOptions( const QString& options);
+
+    /**
+     * Set widget look and feel
+     */
     void setType( QgsRasterFormatSaveOptionsWidget::Type type = Default );
+
+    /**
+     * Set pyramids format to use
+     */
     void setPyramidsFormat( QgsRaster::RasterPyramidsFormat format )
     { mPyramids = true; mPyramidsFormat = format; }
 
   public slots:
 
     void apply();
+
+    /**
+     * Opens window with options desctiption for given provider
+     * and output format
+     */
     void helpOptions();
+
+    /**
+     * Validates options correctness
+     */
     QString validateOptions( bool gui = true, bool reportOk = true );
+
+    /**
+     * Reloads profiles list from QGIS settings
+     */
     void updateProfiles();
 
   private slots: