void QgsLayerStylingWidget::apply()
{
if ( !mCurrentLayer )
return;
disconnect( mCurrentLayer, SIGNAL( styleChanged() ), this, SLOT( updateCurrentWidgetLayer() ) );
QString undoName = "Style Change";
QWidget* current = mWidgetStack->mainWidget();
bool styleWasChanged = false;
if ( QgsLabelingWidget* widget = qobject_cast<QgsLabelingWidget*>( current ) )
{
widget->apply();
styleWasChanged = true;
undoName = "Label Change";
}
if ( QgsPanelWidgetWrapper* wrapper = qobject_cast<QgsPanelWidgetWrapper*>( current ) )
{
if ( QgsRendererPropertiesDialog* widget = qobject_cast<QgsRendererPropertiesDialog*>( wrapper->widget() ) )
{
widget->apply();
QgsVectorLayer* layer = qobject_cast<QgsVectorLayer*>( mCurrentLayer );
QgsRendererAbstractMetadata* m = QgsRendererRegistry::instance()->rendererMetadata( layer->renderer()->type() );
undoName = QString( "Style Change - %1" ).arg( m->visibleName() );
styleWasChanged = true;
}
}
else if ( QgsRasterTransparencyWidget* widget = qobject_cast<QgsRasterTransparencyWidget*>( current ) )
{
widget->apply();
styleWasChanged = true;
}
else if ( qobject_cast<QgsRasterHistogramWidget*>( current ) )
{
mRasterStyleWidget->apply();
styleWasChanged = true;
}
else if ( QgsMapLayerConfigWidget* widget = qobject_cast<QgsMapLayerConfigWidget*>( current ) )
{
widget->apply();
styleWasChanged = true;
}
pushUndoItem( undoName );
if ( styleWasChanged )
{
emit styleChanged( mCurrentLayer );
QgsProject::instance()->setDirty( true );
mMapCanvas->clearCache();
mMapCanvas->refresh();
}
connect( mCurrentLayer, SIGNAL( styleChanged() ), this, SLOT( updateCurrentWidgetLayer() ) );
}
void QgsLayerStylingWidget::blockUpdates( bool blocked )
{
if ( !mCurrentLayer )
return;
if ( blocked )
{
disconnect( mCurrentLayer, SIGNAL( styleChanged() ), this, SLOT( updateCurrentWidgetLayer() ) );
}
else
{
connect( mCurrentLayer, SIGNAL( styleChanged() ), this, SLOT( updateCurrentWidgetLayer() ) );
}
}
void QgsMapStylingWidget::setLayer( QgsMapLayer *layer )
{
if ( !layer || !layer->isSpatial() )
{
mLayerTitleLabel->clear();
mStackedWidget->setCurrentIndex( mNotSupportedPage );
return;
}
mCurrentLayer = layer;
// TODO Adjust for raster
updateCurrentWidgetLayer( mMapStyleTabs->currentIndex() );
}
void QgsLayerStylingWidget::redo()
{
mUndoWidget->redo();
updateCurrentWidgetLayer();
}
void QgsLayerStylingWidget::setLayer( QgsMapLayer *layer )
{
if ( layer == mCurrentLayer )
return;
if ( mCurrentLayer )
{
disconnect( mCurrentLayer, SIGNAL( styleChanged() ), this, SLOT( updateCurrentWidgetLayer() ) );
}
if ( !layer || !layer->isSpatial() )
{
mLayerCombo->setLayer( nullptr );
mStackedWidget->setCurrentIndex( mNotSupportedPage );
mLastStyleXml.clear();
mCurrentLayer = nullptr;
return;
}
bool sameLayerType = false;
if ( mCurrentLayer )
{
sameLayerType = mCurrentLayer->type() == layer->type();
}
mCurrentLayer = layer;
mUndoWidget->setUndoStack( layer->undoStackStyles() );
connect( mCurrentLayer, SIGNAL( styleChanged() ), this, SLOT( updateCurrentWidgetLayer() ) );
int lastPage = mOptionsListWidget->currentIndex().row();
mOptionsListWidget->blockSignals( true );
mOptionsListWidget->clear();
mUserPages.clear();
if ( layer->type() == QgsMapLayer::VectorLayer )
{
QListWidgetItem* symbolItem = new QListWidgetItem( QgsApplication::getThemeIcon( "propertyicons/symbology.svg" ), QString() );
symbolItem->setData( Qt::UserRole, Symbology );
symbolItem->setToolTip( tr( "Symbology" ) );
mOptionsListWidget->addItem( symbolItem );
QListWidgetItem* labelItem = new QListWidgetItem( QgsApplication::getThemeIcon( "labelingSingle.svg" ), QString() );
labelItem->setData( Qt::UserRole, VectorLabeling );
labelItem->setToolTip( tr( "Labels" ) );
mOptionsListWidget->addItem( labelItem );
}
else if ( layer->type() == QgsMapLayer::RasterLayer )
{
QListWidgetItem* symbolItem = new QListWidgetItem( QgsApplication::getThemeIcon( "propertyicons/symbology.svg" ), QString() );
symbolItem->setData( Qt::UserRole, Symbology );
symbolItem->setToolTip( tr( "Symbology" ) );
mOptionsListWidget->addItem( symbolItem );
QListWidgetItem* transparencyItem = new QListWidgetItem( QgsApplication::getThemeIcon( "propertyicons/transparency.png" ), QString() );
transparencyItem->setToolTip( tr( "Transparency" ) );
transparencyItem->setData( Qt::UserRole, RasterTransparency );
mOptionsListWidget->addItem( transparencyItem );
if ( static_cast<QgsRasterLayer*>( layer )->dataProvider()->capabilities() & QgsRasterDataProvider::Size )
{
QListWidgetItem* histogramItem = new QListWidgetItem( QgsApplication::getThemeIcon( "propertyicons/histogram.png" ), QString() );
histogramItem->setData( Qt::UserRole, RasterHistogram );
mOptionsListWidget->addItem( histogramItem );
histogramItem->setToolTip( tr( "Histogram" ) );
}
}
Q_FOREACH ( QgsMapLayerConfigWidgetFactory* factory, mPageFactories )
{
if ( factory->supportsStyleDock() && factory->supportsLayer( layer ) )
{
QListWidgetItem* item = new QListWidgetItem( factory->icon(), QString() );
item->setToolTip( factory->title() );
mOptionsListWidget->addItem( item );
int row = mOptionsListWidget->row( item );
mUserPages[row] = factory;
}
}
QListWidgetItem* historyItem = new QListWidgetItem( QgsApplication::getThemeIcon( "mActionHistory.svg" ), QString() );
historyItem->setData( Qt::UserRole, History );
historyItem->setToolTip( tr( "History" ) );
mOptionsListWidget->addItem( historyItem );
mOptionsListWidget->blockSignals( false );
if ( sameLayerType )
{
mOptionsListWidget->setCurrentRow( lastPage );
}
else
{
mOptionsListWidget->setCurrentRow( 0 );
}
mStackedWidget->setCurrentIndex( 1 );
QString errorMsg;
QDomDocument doc( "style" );
mLastStyleXml = doc.createElement( "style" );
doc.appendChild( mLastStyleXml );
mCurrentLayer->writeStyle( mLastStyleXml, doc, errorMsg );
}
