/**
* @return string html output
*/
public function render()
{
$htmlBuilder = new HtmlBuilder();
if ($this->isReverse()) {
$breadcrumbIterator = $this->getBreadcrumbs()->getReverseIterator();
} else {
$breadcrumbIterator = $this->getBreadcrumbs()->getIterator();
}
$breakcrumbsItems = array();
foreach ($breadcrumbIterator as $breadcrumbObject) {
if (!$this->hasSkipLinks() && $breadcrumbObject->hasUrl()) {
$breakcrumbInner = new HtmlAnchor($breadcrumbObject->getUrl(), $breadcrumbObject->getTitle());
} else {
$breakcrumbInner = $breadcrumbObject->getTitle();
}
switch ($this->getTag()) {
case 'div':
$breadcrumbOuter = new HtmlDiv($breakcrumbInner);
break;
case 'span':
$breadcrumbOuter = new HtmlSpan($breakcrumbInner);
break;
case 'ul':
case 'ol':
case 'li':
$breadcrumbOuter = new HtmlListItem($breakcrumbInner);
break;
default:
$breadcrumbOuter = $breakcrumbInner;
break;
}
$breakcrumbsItems[] = $breadcrumbOuter;
}
// surround breadcrumb string a container, depending on the tag
switch ($this->getTag()) {
case 'ol':
$breadcrumbContainer = new HtmlListOrdered();
$breadcrumbContainer->setChildElements($breakcrumbsItems);
foreach ($this->getOptionsPathObject()->get() as $key => $value) {
// prevent, that already set attributes are overwritten by options
if (!$breadcrumbContainer->hasAttribute($key)) {
$breadcrumbContainer->setAttribute($key, $value);
}
}
return $htmlBuilder->render($breadcrumbContainer);
case 'ul':
$breadcrumbContainer = new HtmlListUnordered();
$breadcrumbContainer->setChildElements($breakcrumbsItems);
foreach ($this->getOptionsPathObject()->get() as $key => $value) {
// prevent, that already set attributes are overwritten by options
if (!$breadcrumbContainer->hasAttribute($key)) {
$breadcrumbContainer->setAttribute($key, $value);
}
}
return $htmlBuilder->render($breadcrumbContainer);
default:
// concat breadcrumb to one string
return $breadcrumbContainerContent = implode($this->getSeparator(), $breakcrumbsItems);
}
return null;
}
/**
* @return void
*/
public function testSetClass()
{
$htmlBuilder = new HtmlBuilder();
$htmlElementObject = new HtmlListOrdered();
$htmlElementObject->setClass('testClass');
$this->assertEquals('<ol class="testClass" />', $htmlBuilder->render($htmlElementObject));
}