Correctly set band number for pseudocolor renderer widget

Previously the band was always reset to the first band when opening the raster layer properties.
qgis · Dec 4, 2014 · e887d07 · e887d07
1 parent 486d408
commit e887d07
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diff --git a/python/core/raster/qgssinglebandpseudocolorrenderer.sip b/python/core/raster/qgssinglebandpseudocolorrenderer.sip
@@ -24,6 +24,11 @@ class QgsSingleBandPseudoColorRenderer: QgsRasterRenderer
 
     QList<int> usesBands() const;
 
+    /**Returns the band used by the renderer
+     * @note added in QGIS 2.7
+     */
+    int band() const;
+
     double classificationMin() const;
     double classificationMax() const;
     void setClassificationMin( double min );

diff --git a/src/core/raster/qgssinglebandpseudocolorrenderer.h b/src/core/raster/qgssinglebandpseudocolorrenderer.h
@@ -49,6 +49,11 @@ class CORE_EXPORT QgsSingleBandPseudoColorRenderer: public QgsRasterRenderer
 
     QList<int> usesBands() const;
 
+    /**Returns the band used by the renderer
+     * @note added in QGIS 2.7
+     */
+    int band() const { return mBand; }
+
     double classificationMin() const { return mClassificationMin; }
     double classificationMax() const { return mClassificationMax; }
     void setClassificationMin( double min ) { mClassificationMin = min; }

diff --git a/src/gui/raster/qgssinglebandpseudocolorrendererwidget.cpp b/src/gui/raster/qgssinglebandpseudocolorrendererwidget.cpp
@@ -561,6 +561,8 @@ void QgsSingleBandPseudoColorRendererWidget::setFromRenderer( const QgsRasterRen
   const QgsSingleBandPseudoColorRenderer* pr = dynamic_cast<const QgsSingleBandPseudoColorRenderer*>( r );
   if ( pr )
   {
+    mBandComboBox->setCurrentIndex( mBandComboBox->findData( pr->band() ) );
+
     const QgsRasterShader* rasterShader = pr->shader();
     if ( rasterShader )
     {