icingaweb2/modules/doc/library/Doc/Renderer/DocTocRenderer.php

138 lines
3.6 KiB
PHP

<?php
/* Icinga Web 2 | (c) 2014 Icinga Development Team | GPLv2+ */
namespace Icinga\Module\Doc\Renderer;
use Icinga\Web\View;
use Icinga\Data\Tree\TreeNodeIterator;
use RecursiveIteratorIterator;
/**
* TOC renderer
*
* @method TreeNodeIterator getInnerIterator() {
* {@inheritdoc}
* }
*/
class DocTocRenderer extends DocRenderer
{
/**
* CSS class for the HTML list element
*
* @var string
*/
const CSS_CLASS = 'toc';
/**
* Tag for the HTML list element
*
* @var string
*/
const HTML_LIST_TAG = 'ol';
/**
* Content to render
*
* @var array
*/
protected $content = array();
/**
* Create a new toc renderer
*
* @param TreeNodeIterator $iterator
*/
public function __construct(TreeNodeIterator $iterator)
{
parent::__construct($iterator, RecursiveIteratorIterator::SELF_FIRST);
}
/**
* {@inheritdoc}
*/
public function beginIteration()
{
$this->content[] = sprintf('<nav role="navigation"><%s class="%s">', static::HTML_LIST_TAG, static::CSS_CLASS);
}
/**
* {@inheritdoc}
*/
public function endIteration()
{
$this->content[] = sprintf('</%s></nav>', static::HTML_LIST_TAG);
}
/**
* {@inheritdoc}
*/
public function beginChildren()
{
$this->content[] = sprintf('<%s class="%s">', static::HTML_LIST_TAG, static::CSS_CLASS);
}
/**
* {@inheritdoc}
*/
public function endChildren()
{
$this->content[] = sprintf('</%s>', static::HTML_LIST_TAG);
}
/**
* {@inheritdoc}
*/
public function render()
{
if ($this->getInnerIterator()->isEmpty()) {
return '<p>' . mt('doc', 'Documentation is empty.') . '</p>';
}
$view = $this->getView();
$zendUrlHelper = $view->getHelper('Url');
foreach ($this as $section) {
$path = $zendUrlHelper->url(
array_merge(
$this->urlParams,
array(
'chapter' => $this->encodeUrlParam($section->getChapter()->getId())
)
),
$this->url,
false,
false
);
$url = $view->url($path);
/** @var \Icinga\Web\Url $url */
if ($this->getDepth() > 0) {
$url->setAnchor($this->encodeAnchor($section->getId()));
}
$urlAttributes = array(
'data-base-target' => '_next',
'title' => $section->getId() === $section->getChapter()->getId()
? sprintf(
$view->translate('Show the chapter "%s"', 'toc.render.section.link'),
$section->getChapter()->getTitle()
)
: sprintf(
$view->translate('Show the section "%s" of the chapter "%s"', 'toc.render.section.link'),
$section->getTitle(),
$section->getChapter()->getTitle()
)
);
if ($section->getNoFollow()) {
$urlAttributes['rel'] = 'nofollow';
}
$this->content[] = '<li>' . $this->getView()->qlink(
$section->getTitle(),
$url->getAbsoluteUrl(),
null,
$urlAttributes
);
if (! $section->hasChildren()) {
$this->content[] = '</li>';
}
}
return implode("\n", $this->content);
}
}