void QgsLayoutItemLegend::onAtlasFeature()
{
if ( !mLayout->reportContext().feature().isValid() )
return;
mInAtlas = mFilterOutAtlas;
updateFilterByMap();
}
void QgsComposerLegend::onAtlasFeature( QgsFeature *feat )
{
if ( !feat )
return;
mInAtlas = mFilterOutAtlas;
updateFilterByMap();
}
void QgsComposerLegend::updateItem()
{
if ( !updatesEnabled() )
return;
updateFilterByMap( false );
QgsComposerItem::updateItem();
}
void QgsLayoutItemLegend::nodeCustomPropertyChanged( QgsLayerTreeNode *, const QString & )
{
if ( autoUpdateModel() )
{
// in "auto update" mode, some parameters on the main app legend may have been changed (expression filtering)
// we must then call updateItem to reflect the changes
updateFilterByMap( false );
}
}
void QgsLayoutItemLegend::setAutoUpdateModel( bool autoUpdate )
{
if ( autoUpdate == autoUpdateModel() )
return;
setCustomLayerTree( autoUpdate ? nullptr : mLayout->project()->layerTreeRoot()->clone() );
adjustBoxSize();
updateFilterByMap( false );
}
void QgsComposerLegend::setComposerMap( const QgsComposerMap* map )
{
if ( mComposerMap )
{
disconnect( mComposerMap, SIGNAL( destroyed( QObject* ) ), this, SLOT( invalidateCurrentMap() ) );
disconnect( mComposerMap, SIGNAL( itemChanged() ), this, SLOT( updateFilterByMap() ) );
disconnect( mComposerMap, SIGNAL( extentChanged() ), this, SLOT( updateFilterByMap() ) );
disconnect( mComposerMap, SIGNAL( layerStyleOverridesChanged() ), this, SLOT( mapLayerStyleOverridesChanged() ) );
}
mComposerMap = map;
if ( map )
{
QObject::connect( map, SIGNAL( destroyed( QObject* ) ), this, SLOT( invalidateCurrentMap() ) );
QObject::connect( map, SIGNAL( itemChanged() ), this, SLOT( updateFilterByMap() ) );
QObject::connect( map, SIGNAL( extentChanged() ), this, SLOT( updateFilterByMap() ) );
QObject::connect( map, SIGNAL( layerStyleOverridesChanged() ), this, SLOT( mapLayerStyleOverridesChanged() ) );
}
updateItem();
}
void QgsLayoutItemLegend::mapLayerStyleOverridesChanged()
{
if ( !mMap )
return;
// map's style has been changed, so make sure to update the legend here
if ( mLegendFilterByMap )
{
// legend is being filtered by map, so we need to re run the hit test too
// as the style overrides may also have affected the visible symbols
updateFilterByMap( false );
}
else
{
mLegendModel->setLayerStyleOverrides( mMap->layerStyleOverrides() );
Q_FOREACH ( QgsLayerTreeLayer *nodeLayer, mLegendModel->rootGroup()->findLayers() )
mLegendModel->refreshLayerLegend( nodeLayer );
}
adjustBoxSize();
updateFilterByMap( false );
}
void QgsLayoutItemLegend::setLinkedMap( QgsLayoutItemMap *map )
{
if ( mMap )
{
setupMapConnections( mMap, false );
}
mMap = map;
if ( mMap )
{
setupMapConnections( mMap, true );
}
updateFilterByMap();
}
void QgsComposerLegend::onAtlasEnded()
{
mInAtlas = false;
updateFilterByMap();
}
void QgsComposerLegend::updateFilterByMapAndRedraw()
{
updateFilterByMap( true );
}
void QgsLayoutItemLegend::onAtlasEnded()
{
mInAtlas = false;
updateFilterByMap();
}
void QgsLayoutItemLegend::updateFilterByMapAndRedraw()
{
updateFilterByMap( true );
}
void QgsLayoutItemLegend::updateLegend()
{
adjustBoxSize();
updateFilterByMap( false );
}
void QgsLayoutItemLegend::setLegendFilterByMapEnabled( bool enabled )
{
mLegendFilterByMap = enabled;
updateFilterByMap( false );
}
void QgsComposerLegend::updateItem()
{
updateFilterByMap( false );
QgsComposerItem::updateItem();
}
void QgsComposerLegend::setLegendFilterByMapEnabled( bool enabled )
{
mLegendFilterByMap = enabled;
updateFilterByMap();
}