void QgsLabelingWidget::setLayer( QgsMapLayer* mapLayer )
{
if ( !mapLayer || mapLayer->type() != QgsMapLayer::VectorLayer )
{
setEnabled( false );
return;
}
else
{
setEnabled( true );
}
QgsVectorLayer *layer = qobject_cast<QgsVectorLayer*>( mapLayer );
mLayer = layer;
if ( mLayer->labeling() )
{
QDomDocument doc;
QDomElement oldSettings = mLayer->labeling()->save( doc );
mOldSettings.reset( QgsAbstractVectorLayerLabeling::create( oldSettings ) );
mOldPalSettings.readFromLayer( mLayer );
}
else
mOldSettings.reset();
adaptToLayer();
}
QgsLabelingWidget::QgsLabelingWidget( QgsVectorLayer* layer, QgsMapCanvas* canvas, QWidget* parent )
: QWidget( parent )
, mLayer( layer )
, mCanvas( canvas )
, mWidget( nullptr )
{
setupUi( this );
connect( mEngineSettingsButton, SIGNAL( clicked() ), this, SLOT( showEngineConfigDialog() ) );
mLabelModeComboBox->setCurrentIndex( -1 );
connect( mLabelModeComboBox, SIGNAL( currentIndexChanged( int ) ), this, SLOT( labelModeChanged( int ) ) );
adaptToLayer();
}
void QgsLabelingWidget::setLayer( QgsMapLayer *mapLayer )
{
if ( !mapLayer || mapLayer->type() != QgsMapLayer::VectorLayer )
{
setEnabled( false );
return;
}
else
{
setEnabled( true );
}
QgsVectorLayer *layer = qobject_cast<QgsVectorLayer *>( mapLayer );
mLayer = layer;
if ( mLayer->labeling() )
{
mOldSettings.reset( mLayer->labeling()->clone() );
}
else
mOldSettings.reset();
adaptToLayer();
}