/**
* Covers TruncateWords.
*
* @covers ::truncateWords
*
* @dataProvider truncateWordsDataProvider
*/
public function testTruncateWords($html, $limit, $ellipsis, $expected) {
$truncate = new TruncateHTML();
$this->assertSame($expected, $truncate->truncateWords($html, $limit, $ellipsis));
}
/**
* {@inheritdoc}
*/
public function viewElements(FieldItemListInterface $items, $langcode = NULL) {
$element = array();
$setting_trim_options = $this->getSetting('trim_options');
$settings_summary_handler = $this->getSetting('summary_handler');
$entity = $items->getEntity();
foreach ($items as $delta => $item) {
if ($settings_summary_handler != 'ignore' && !empty($item->summary)) {
$output = $item->summary_processed;
}
else {
$output = $item->processed;
}
// Process additional options (currently only HTML on/off).
if (!empty($setting_trim_options)) {
if (!empty($setting_trim_options['text'])) {
// Strip tags.
$output = strip_tags(str_replace('<', ' <', $output));
// Strip out line breaks.
$output = preg_replace('/\n|\r|\t/m', ' ', $output);
// Strip out non-breaking spaces.
$output = str_replace(' ', ' ', $output);
$output = str_replace("\xc2\xa0", ' ', $output);
// Strip out extra spaces.
$output = trim(preg_replace('/\s\s+/', ' ', $output));
}
}
// Make the trim, provided we're not showing a full summary.
if ($this->getSetting('summary_handler') != 'full' || empty($item->summary)) {
$truncate = new TruncateHTML();
$length = $this->getSetting('trim_length');
$ellipse = $this->getSetting('trim_suffix');
if ($this->getSetting('trim_type') == 'words') {
$output = $truncate->truncateWords($output, $length, $ellipse);
}
else {
$output = $truncate->truncateChars($output, $length, $ellipse);
}
}
// Add the link, if there is one!
$link = '';
$uri = $entity->toUrl();
// But wait! Don't add a more link if the field ends in <!--break-->.
if ($uri && $this->getSetting('more_link') && strpos(strrev($output), strrev('<!--break-->')) !== 0) {
$more = $this->getSetting('more_text');
$class = $this->getSetting('more_text');
$project_link = Link::fromTextAndUrl($more, $uri);
$project_link = $project_link->toRenderable();
$project_link['#attributes'] = array(
'class' => array(
$class,
),
);
$link = render($project_link);
}
$output .= $link;
$element[$delta] = array('#markup' => $output);
}
return $element;
}
