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Added page navigation and tweaked header styles

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Changed header selection in editor to be more descriptive and
to provide a wider range of styles.

Closes #68
This commit is contained in:
Dan Brown
2016-09-18 14:49:36 +01:00
parent e0235fda8b
commit 1d681e53e4
11 changed files with 147 additions and 90 deletions
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30
app/Repos/PageRepo.php
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@ -7,6 +7,7 @@ use BookStack\Entity;
use BookStack\Exceptions\NotFoundException;
use Carbon\Carbon;
use DOMDocument;
use DOMXPath;
use Illuminate\Support\Str;
use BookStack\Page;
use BookStack\PageRevision;
@ -158,6 +159,35 @@ class PageRepo extends EntityRepo
return $page;
}
/**
* Parse te headers on the page to get a navigation menu
* @param Page $page
* @return array
*/
public function getPageNav(Page $page)
{
if ($page->html == '') return null;
libxml_use_internal_errors(true);
$doc = new DOMDocument();
$doc->loadHTML(mb_convert_encoding($page->html, 'HTML-ENTITIES', 'UTF-8'));
$xPath = new DOMXPath($doc);
$headers = $xPath->query("//h1|//h2|//h3|//h4|//h5|//h6");
if (is_null($headers)) return null;
$tree = [];
foreach ($headers as $header) {
$text = $header->nodeValue;
$tree[] = [
'nodeName' => strtolower($header->nodeName),
'level' => intval(str_replace('h', '', $header->nodeName)),
'link' => '#' . $header->getAttribute('id'),
'text' => strlen($text) > 30 ? substr($text, 0, 27) . '...' : $text
];
}
return $tree;
}
/**
* Formats a page's html to be tagged correctly
* within the system.