Method invalidate

src/eepp/ui/uitabwidget.cpp:256–285

}

void UITabWidget::invalidate( Node* invalidator ) {
	// Only invalidate if the invalidator is actually visible in the current active tab.
	if ( NULL != invalidator ) {
		if ( invalidator == mTabScroll || mTabScroll->inParentTreeOf( invalidator ) ) {
			if ( NULL != mNodeDrawInvalidator ) {
				mNodeDrawInvalidator->invalidate( this );
			} else if ( NULL != mSceneNode ) {
				mSceneNode->invalidate( this );
			}
		} else if ( invalidator == mNodeContainer || invalidator == mTabBar ||
					invalidator == mTabSwitcher || mTabBar->inParentTreeOf( invalidator ) ) {
			mNodeDrawInvalidator->invalidate( mNodeContainer );
		} else if ( invalidator->getParent() == mNodeContainer ) {
			if ( invalidator->isVisible() )
				mNodeDrawInvalidator->invalidate( mNodeContainer );
		} else {
			Node* container = invalidator->getParent();
			while ( container->getParent() != NULL && container->getParent() != mNodeContainer ) {
				container = container->getParent();
			}
			if ( container->getParent() == mNodeContainer && container->isVisible() ) {
				mNodeDrawInvalidator->invalidate( mNodeContainer );
			}
		}
	} else if ( NULL != mNodeDrawInvalidator ) {
		mNodeDrawInvalidator->invalidate( this );
	} else if ( NULL != mSceneNode ) {
		mSceneNode->invalidate( this );
	}
}

bool UITabWidget::applyProperty( const StyleSheetProperty& attribute ) {
	if ( !checkPropertyDefinition( attribute ) )