/**
* Returns an HTML string containing an 'a' element for the given page
*
* @param \Zend\Navigation\AbstractPage $page page to generate HTML for
* @return string HTML string for the given page
*/
public function htmlify(AbstractPage $page)
{
// get label and title for translating
$label = $page->getLabel();
$title = $page->getTitle();
if ($this->getUseTranslator() && ($t = $this->getTranslator())) {
if (is_string($label) && !empty($label)) {
$label = $t->translate($label);
}
if (is_string($title) && !empty($title)) {
$title = $t->translate($title);
}
}
// get attribs for anchor element
$attribs = array('id' => $page->getId(), 'title' => $title, 'class' => $page->getClass(), 'href' => $page->getHref(), 'target' => $page->getTarget());
return '<a' . $this->_htmlAttribs($attribs) . '>' . $this->view->vars()->escape($label) . '</a>';
}
/**
* Returns an HTML string containing an 'a' element for the given page if
* the page's href is not empty, and a 'span' element if it is empty
*
* Overrides {@link Zend\View\Helper\Navigation\AbstractHelper::htmlify()}.
*
* @param \Zend\Navigation\AbstractPage $page page to generate HTML for
* @return string HTML string for the given page
*/
public function htmlify(AbstractPage $page)
{
// get label and title for translating
$label = $page->getLabel();
$title = $page->getTitle();
// translate label and title?
if ($this->getUseTranslator() && ($t = $this->getTranslator())) {
if (is_string($label) && !empty($label)) {
$label = $t->translate($label);
}
if (is_string($title) && !empty($title)) {
$title = $t->translate($title);
}
}
// get attribs for element
$attribs = array('id' => $page->getId(), 'title' => $title, 'class' => $page->getClass());
// does page have a href?
if ($href = $page->getHref()) {
$element = 'a';
$attribs['href'] = $href;
$attribs['target'] = $page->getTarget();
} else {
$element = 'span';
}
return '<' . $element . $this->_htmlAttribs($attribs) . '>' . $this->view->escape($label) . '</' . $element . '>';
}
/**
* Returns an escaped absolute URL for the given page
*
* @param \Zend\Navigation\AbstractPage $page page to get URL from
* @return string
*/
public function url(AbstractPage $page)
{
$href = $page->getHref();
if (!isset($href[0])) {
// no href
return '';
} elseif ($href[0] == '/') {
// href is relative to root; use serverUrl helper
$url = $this->getServerUrl() . $href;
} elseif (preg_match('/^[a-z]+:/im', (string) $href)) {
// scheme is given in href; assume absolute URL already
$url = (string) $href;
} else {
// href is relative to current document; use url helpers
$curDoc = $this->view->url();
$curDoc = '/' == $curDoc ? '' : trim($curDoc, '/');
$url = rtrim($this->getServerUrl(), '/') . '/' . $curDoc . (empty($curDoc) ? '' : '/') . $href;
}
return $this->_xmlEscape($url);
}
/**
* Renders the given $page as a link element, with $attrib = $relation
*
* @param \Zend\Navigation\AbstractPage $page the page to render the link for
* @param string $attrib the attribute to use for $type,
* either 'rel' or 'rev'
* @param string $relation relation type, muse be one of;
* alternate, appendix, bookmark,
* chapter, contents, copyright,
* glossary, help, home, index, next,
* prev, section, start, stylesheet,
* subsection
* @return string rendered link element
* @throws \Zend\View\Exception if $attrib is invalid
*/
public function renderLink(AbstractPage $page, $attrib, $relation)
{
if (!in_array($attrib, array('rel', 'rev'))) {
$e = new View\Exception(sprintf(
'Invalid relation attribute "%s", must be "rel" or "rev"',
$attrib));
$e->setView($this->view);
throw $e;
}
if (!$href = $page->getHref()) {
return '';
}
// TODO: add more attribs
// http://www.w3.org/TR/html401/struct/links.html#h-12.2
$attribs = array(
$attrib => $relation,
'href' => $href,
'title' => $page->getLabel()
);
return '<link' .
$this->_htmlAttribs($attribs) .
$this->getClosingBracket();
}
