Added layerIsExpanded() to QgsLegendInterface

Author: olivierdalang

python/gui/qgslegendinterface.sip

@@ -43,6 +43,10 @@ class QgsLegendInterface : QObject
     //! @note added in 1.5
     virtual bool isGroupVisible( int groupIndex ) = 0;
 
+    //! Check if a layer is expanded
+    //! @note added in 2.0
+    virtual bool isLayerExpanded( QgsMapLayer * ml ) = 0;
+
     //! Check if a layer is visible
     //! @note added in 1.5
     virtual bool isLayerVisible( QgsMapLayer * ml ) = 0;

src/app/legend/qgsapplegendinterface.cpp

@@ -167,6 +167,11 @@ bool QgsAppLegendInterface::isGroupVisible( int groupIndex )
   return ( Qt::Checked == getItem( groupIndex )->checkState( 0 ) );
 }
 
+bool QgsAppLegendInterface::isLayerExpanded( QgsMapLayer * ml )
+{
+  return mLegend->layerIsExpanded( ml );
+}
+
 bool QgsAppLegendInterface::isLayerVisible( QgsMapLayer * ml )
 {
   return ( Qt::Checked == mLegend->layerCheckState( ml ) );

src/app/legend/qgsapplegendinterface.h

@@ -61,6 +61,9 @@ class QgsAppLegendInterface : public QgsLegendInterface
     //! Check if a group is visible
     bool isGroupVisible( int groupIndex );
 
+    //! Check if a layer is expanded
+    bool isLayerExpanded( QgsMapLayer * ml );
+
     //! Check if a layer is visible
     bool isLayerVisible( QgsMapLayer * ml );
 

src/app/legend/qgslegend.cpp

@@ -831,6 +831,13 @@ Qt::CheckState QgsLegend::layerCheckState( QgsMapLayer * layer )
   return ll ? ll->checkState( 0 ) : Qt::Unchecked;
 }
 
+bool QgsLegend::layerIsExpanded( QgsMapLayer * layer )
+{
+  QgsLegendLayer * ll = findLegendLayer( layer );
+
+  return ll->isExpanded();
+}
+
 QgsLegendGroup* QgsLegend::addEmbeddedGroup( const QString& groupName, const QString& projectFilePath, QgsLegendItem* parent )
 {
   mEmbeddedGroups.insert( groupName, projectFilePath );

src/app/legend/qgslegend.h

@@ -221,6 +221,9 @@ class QgsLegend : public QTreeWidget
     /**Returns a layers check state*/
     Qt::CheckState layerCheckState( QgsMapLayer * layer );
 
+    /**Returns a layers expanded state*/
+    bool layerIsExpanded( QgsMapLayer * layer );
+
     /**Add group from other project file. Returns a pointer to the new group in case of success or 0 in case of error*/
     QgsLegendGroup* addEmbeddedGroup( const QString& groupName, const QString& projectFilePath, QgsLegendItem* parent = 0 );
 

src/gui/qgslegendinterface.h

@@ -75,6 +75,10 @@ class GUI_EXPORT QgsLegendInterface : public QObject
     //! @note added in 1.5
     virtual bool isGroupVisible( int groupIndex ) = 0;
 
+    //! Check if a layer is expanded
+    //! @note added in 2.0
+    virtual bool isLayerExpanded( QgsMapLayer * ml ) = 0;
+
     //! Check if a layer is visible
     //! @note added in 1.5
     virtual bool isLayerVisible( QgsMapLayer * ml ) = 0;