void QgsLayerPropertiesWidget::updateSymbolLayerWidget( QgsSymbolLayerV2* layer )
{
if ( stackedWidget->currentWidget() != pageDummy )
{
// stop updating from the original widget
disconnect( stackedWidget->currentWidget(), SIGNAL( changed() ), this, SLOT( emitSignalChanged() ) );
stackedWidget->removeWidget( stackedWidget->currentWidget() );
}
QgsSymbolLayerV2Registry* pReg = QgsSymbolLayerV2Registry::instance();
QString layerType = layer->layerType();
QgsSymbolLayerV2AbstractMetadata* am = pReg->symbolLayerMetadata( layerType );
if ( am )
{
QgsSymbolLayerV2Widget* w = am->createSymbolLayerWidget( mVectorLayer );
if ( w )
{
w->setSymbolLayer( layer );
stackedWidget->addWidget( w );
stackedWidget->setCurrentWidget( w );
// start recieving updates from widget
connect( w , SIGNAL( changed() ), this, SLOT( emitSignalChanged() ) );
return;
}
}
// When anything is not right
stackedWidget->setCurrentWidget( pageDummy );
}
void QgsPaintEffectPropertiesWidget::updateEffectWidget( QgsPaintEffect* effect )
{
if ( !effect )
{
stackedWidget->setCurrentWidget( pageDummy );
return;
}
if ( stackedWidget->currentWidget() != pageDummy )
{
// stop updating from the original widget
disconnect( stackedWidget->currentWidget(), SIGNAL( changed() ), this, SLOT( emitSignalChanged() ) );
stackedWidget->removeWidget( stackedWidget->currentWidget() );
}
QgsPaintEffectRegistry* registry = QgsApplication::paintEffectRegistry();
QgsPaintEffectAbstractMetadata* am = registry->effectMetadata( effect->type() );
if ( am )
{
QgsPaintEffectWidget* w = am->createWidget();
if ( w )
{
w->setPaintEffect( effect );
stackedWidget->addWidget( w );
stackedWidget->setCurrentWidget( w );
// start receiving updates from widget
connect( w, SIGNAL( changed() ), this, SLOT( emitSignalChanged() ) );
return;
}
}
// When anything is not right
stackedWidget->setCurrentWidget( pageDummy );
}
QgsLayerPropertiesWidget::QgsLayerPropertiesWidget( QgsSymbolLayerV2* layer, const QgsSymbolV2* symbol, const QgsVectorLayer* vl, QWidget* parent )
: QgsPanelWidget( parent )
, mPresetExpressionContext( nullptr )
, mMapCanvas( nullptr )
{
mLayer = layer;
mSymbol = symbol;
mVectorLayer = vl;
setupUi( this );
// initialize the sub-widgets
// XXX Should this thing be here this way? Initialize all the widgets just for the sake of one layer?
// TODO Make this on demand creation
_initWidgetFunctions();
// TODO Algorithm
//
// 3. populate the combo box with the supported layer type
// 4. set the present layer type
// 5. create the widget for the present layer type and set inn stacked widget
// 6. connect comboBox type changed to two things
// 1. emit signal that type has beed changed
// 2. remove the widget and place the new widget corresponding to the changed layer type
//
populateLayerTypes();
// update layer type combo box
int idx = cboLayerType->findData( mLayer->layerType() );
cboLayerType->setCurrentIndex( idx );
// set the corresponding widget
updateSymbolLayerWidget( layer );
connect( cboLayerType, SIGNAL( currentIndexChanged( int ) ), this, SLOT( layerTypeChanged() ) );
connect( mEffectWidget, SIGNAL( changed() ), this, SLOT( emitSignalChanged() ) );
this->connectChildPanel( mEffectWidget );
mEffectWidget->setPaintEffect( mLayer->paintEffect() );
}
