public void selected(SegmentEditArticleSelectionEvent event) {
if (!event.getArticleSelections().isEmpty()) {
// we check if all articles are non-allocated, allocated or reversed, only then they can
// be removed
ArticleStatusCheckResult articleStatusCheckResult =
getArticleStatusCheckResult(event.getArticleSelections());
deleteSelectionButton.setEnabled(
articleStatusCheckResult.isAllArticlesAllocatedOrReversed());
} else {
deleteSelectionButton.setEnabled(false);
}
}
private void checkAllArticlesAreAllocatedOrReversed(
Collection<? extends Article> deletedArticles) {
ArticleStatusCheckResult articleStatusCheckResult =
new ArticleStatusCheckResult(getArticleContainerEdit().getArticles());
articlesWithWrongState.addAll(articleStatusCheckResult.getNotAllocatedNorReversedArticles());
articlesWithWrongState.removeAll(articleStatusCheckResult.getAllocatedOrReversedArticles());
if (deletedArticles != null) articlesWithWrongState.removeAll(deletedArticles);
if (buttonComp != null && !buttonComp.isDisposed())
buttonComp.setEnabled(articlesWithWrongState.isEmpty());
}