QgsComposerLegend::QgsComposerLegend( QgsComposition* composition )
: QgsComposerItem( composition )
, mCustomLayerTree( nullptr )
, mComposerMap( nullptr )
, mLegendFilterByMap( false )
, mLegendFilterByExpression( false )
, mFilterOutAtlas( false )
, mFilterAskedForUpdate( false )
, mInAtlas( false )
, mInitialMapScaleCalculated( false )
, mForceResize( false )
, mSizeToContents( true )
{
mLegendModel = new QgsLegendModel( mComposition->project()->layerTreeRoot() );
connect( &composition->atlasComposition(), SIGNAL( renderEnded() ), this, SLOT( onAtlasEnded() ) );
connect( &composition->atlasComposition(), SIGNAL( featureChanged( QgsFeature* ) ), this, SLOT( onAtlasFeature( QgsFeature* ) ) );
// Connect to the main layertreeroot.
// It serves in "auto update mode" as a medium between the main app legend and this one
connect( mComposition->project()->layerTreeRoot(), SIGNAL( customPropertyChanged( QgsLayerTreeNode*, QString ) ), this, SLOT( nodeCustomPropertyChanged( QgsLayerTreeNode*, QString ) ) );
}
QgsComposerLegend::QgsComposerLegend( QgsComposition* composition )
: QgsComposerItem( composition )
, mCustomLayerTree( 0 )
, mComposerMap( 0 )
, mLegendFilterByMap( false )
, mFilterOutAtlas( false )
, mFilterAskedForUpdate( false )
, mInAtlas( false )
{
mLegendModel2 = new QgsLegendModelV2( QgsProject::instance()->layerTreeRoot() );
adjustBoxSize();
connect( &mLegendModel, SIGNAL( layersChanged() ), this, SLOT( synchronizeWithModel() ) );
connect( &composition->atlasComposition(), SIGNAL( renderEnded() ), this, SLOT( onAtlasEnded() ) );
connect( &composition->atlasComposition(), SIGNAL( featureChanged( QgsFeature* ) ), this, SLOT( onAtlasFeature( QgsFeature* ) ) );
// Connect to the main layertreeroot.
// It serves in "auto update mode" as a medium between the main app legend and this one
connect( QgsProject::instance()->layerTreeRoot(), SIGNAL( customPropertyChanged( QgsLayerTreeNode*, QString ) ), this, SLOT( nodeCustomPropertyChanged( QgsLayerTreeNode*, QString ) ) );
}
