void QgsPointDisplacementRendererWidget::on_mRendererSettingsButton_clicked()
{
if ( !mRenderer )
return;
QgsRendererAbstractMetadata* m = QgsRendererRegistry::instance()->rendererMetadata( mRenderer->embeddedRenderer()->type() );
if ( m )
{
QgsRendererWidget* w = m->createRendererWidget( mLayer, mStyle, mRenderer->embeddedRenderer()->clone() );
w->setPanelTitle( tr( "Renderer settings" ) );
QgsSymbolWidgetContext context = mContext;
QgsExpressionContextScope scope;
scope.addVariable( QgsExpressionContextScope::StaticVariable( QgsExpressionContext::EXPR_CLUSTER_COLOR, "", true ) );
scope.addVariable( QgsExpressionContextScope::StaticVariable( QgsExpressionContext::EXPR_CLUSTER_SIZE, 0, true ) );
QList< QgsExpressionContextScope > scopes = context.additionalExpressionContextScopes();
scopes << scope;
context.setAdditionalExpressionContextScopes( scopes );
w->setContext( context );
connect( w, SIGNAL( widgetChanged() ), this, SLOT( updateRendererFromWidget() ) );
openPanel( w );
}
}
void QgsPointDisplacementRendererWidget::on_mCenterSymbolPushButton_clicked()
{
if ( !mRenderer || !mRenderer->centerSymbol() )
{
return;
}
QgsMarkerSymbol* markerSymbol = mRenderer->centerSymbol()->clone();
QgsSymbolSelectorWidget* dlg = new QgsSymbolSelectorWidget( markerSymbol, QgsStyle::defaultStyle(), mLayer, this );
dlg->setPanelTitle( tr( "Center symbol" ) );
QgsSymbolWidgetContext context = mContext;
QgsExpressionContextScope scope;
scope.addVariable( QgsExpressionContextScope::StaticVariable( QgsExpressionContext::EXPR_CLUSTER_COLOR, "", true ) );
scope.addVariable( QgsExpressionContextScope::StaticVariable( QgsExpressionContext::EXPR_CLUSTER_SIZE, 0, true ) );
QList< QgsExpressionContextScope > scopes = context.additionalExpressionContextScopes();
scopes << scope;
context.setAdditionalExpressionContextScopes( scopes );
dlg->setContext( context );
connect( dlg, SIGNAL( widgetChanged() ), this, SLOT( updateCenterSymbolFromWidget() ) );
connect( dlg, SIGNAL( panelAccepted( QgsPanelWidget* ) ), this, SLOT( cleanUpSymbolSelector( QgsPanelWidget* ) ) );
openPanel( dlg );
}