void QgsSymbolV2PropertiesDialog::layerTypeChanged()
{
QgsSymbolLayerV2* layer = currentLayer();
if ( layer == NULL ) return;
QString newLayerType = cboLayerType->itemData( cboLayerType->currentIndex() ).toString();
if ( layer->layerType() == newLayerType )
return;
// get creation function for new layer from registry
QgsSymbolLayerV2Registry* pReg = QgsSymbolLayerV2Registry::instance();
QgsSymbolLayerV2AbstractMetadata* am = pReg->symbolLayerMetadata( newLayerType );
if ( am == NULL ) // check whether the metadata is assigned
return;
// change layer to a new (with different type)
QgsSymbolLayerV2* newLayer = am->createSymbolLayer( QgsStringMap() );
if ( newLayer == NULL )
return;
mSymbol->changeSymbolLayer( currentLayerIndex(), newLayer );
updateSymbolLayerWidget( newLayer );
// update symbol layer item
SymbolLayerItem* item = currentLayerItem();
item->setLayer( newLayer );
item->updatePreview();
updatePreview();
}
QgsSymbolLayerV2* QgsSymbolV2PropertiesDialog::currentLayer()
{
int idx = currentLayerIndex();
if ( idx < 0 )
return NULL;
return mSymbol->symbolLayer( idx );
}
bool LayerManager::deleteCurrentLayer()
{
if ( currentLayer()->type() == Layer::CAMERA )
{
return false;
}
editor()->object()->deleteLayer( currentLayerIndex() );
if ( currentLayerIndex() == editor()->object()->getLayerCount() )
{
setCurrentLayer( currentLayerIndex() - 1 );
}
emit editor()->updateAllFrames();
emit layerCountChanged( count() );
return true;
}
bool LayerManager::deleteCurrentLayer()
{
// FIXME:
if ( currentLayer()->type() == Layer::CAMERA )
{
return false;
}
editor()->object()->deleteLayer( currentLayerIndex() );
if ( currentLayerIndex() == editor()->object()->getLayerCount() )
{
setCurrentLayer( currentLayerIndex() - 1 );
}
Q_EMIT layerCountChanged( count() );
return true;
}
void QgsSymbolV2PropertiesDialog::removeLayer()
{
int idx = currentLayerIndex();
if ( idx < 0 ) return;
int row = currentRowIndex();
mSymbol->deleteSymbolLayer( idx );
loadSymbol();
updateUi();
// set previous layer as active
QModelIndex newIndex = listLayers->model()->index( qMin( row, mSymbol->symbolLayerCount() - 1 ), 0 );
listLayers->setCurrentIndex( newIndex );
}
void QgsSymbolV2PropertiesDialog::moveLayerByOffset( int offset )
{
int rowIdx = currentRowIndex();
int layerIdx = currentLayerIndex();
// switch layers
QgsSymbolLayerV2* tmpLayer = mSymbol->takeSymbolLayer( layerIdx );
mSymbol->insertSymbolLayer( layerIdx - offset, tmpLayer );
loadSymbol();
QModelIndex newIndex = listLayers->model()->index( rowIdx + offset, 0 );
listLayers->setCurrentIndex( newIndex );
updateUi();
}
