<?php namespace Todaymade\Daux\Format\HTMLFile;
use RuntimeException;
use Todaymade\Daux\Tree\Content;
use Todaymade\Daux\Tree\Directory;
class Book
{
protected $cover;
protected $tree;
protected $pages = [];
public function __construct(Directory $tree, $cover)
{
$this->tree = $tree;
$this->cover = $cover;
}
protected function getStyles()
{
// TODO :: un-hardcode that
return '<style>' . file_get_contents('themes/daux_singlepage/css/main.min.css') . '</style>';
}
protected function getSectionId(Content $node)
{
foreach ($this->pages as $id => $page) {
if ($page['page'] == $node) {
return $id;
}
}
throw new RuntimeException("Could not find the content page");
}
protected function buildNavigation(Directory $tree)
{
$nav = [];
foreach ($tree->getEntries() as $node) {
if ($node instanceof Content) {
if ($node->isIndex()) {
continue;
}
$nav[] = [
'title' => $node->getTitle(),
'href' => '#section_' . $this->getSectionId($node),
];
} elseif ($node instanceof Directory) {
if (!$node->hasContent()) {
continue;
}
$page_index = ($index = $node->getIndexPage())? $index : $node->getFirstPage();
$nav[] = [
'title' => $node->getTitle(),
'href' => "#section_" . $this->getSectionId($page_index),
'children' => $this->buildNavigation($node)
];
}
}
return $nav;
}
private function renderNavigation($entries)
{
$nav = "";
foreach ($entries as $entry) {
if (array_key_exists('children', $entry)) {
if (array_key_exists('href', $entry)) {
$link = '<a href="' . $entry['href'] . '" class="folder">' . $entry['title'] . '</a>';
} else {
$link = '<a href="#" class="aj-nav folder">' . $entry['title'] . '</a>';
}
$link .= $this->renderNavigation($entry['children']);
} else {
$link = '<a href="' . $entry['href'] . '">' . $entry['title'] . '</a>';
}
$nav .= "<li>$link</li>";
}
return "<ul>$nav</ul>";
}
protected function generateTOC()
{
return "<h1>Table of Contents</h1>" .
$this->renderNavigation($this->buildNavigation($this->tree)) .
"</div><div class=\"page-break\"> </div>";
}
protected function generateCover()
{
return "<div style='margin:4em 30% 4em 0;'>" .
"<h1 style='font-size:40pt; margin-bottom:0;'>{$this->cover['title']}</h1>" .
"<p><strong>{$this->cover['subject']}</strong> by {$this->cover['author']}</p>" .
"</div><div class=\"page-break\"> </div>";
}
protected function generatePages()
{
$content = '';
foreach ($this->pages as $section => $page) {
$content .= '<a id="section_' . $section . '"></a>';
$content .= '<h1>' . $page['page']->getTitle() . '</h1>';
$content .= '<section class="content">' . $page['content'] . '</section>';
$content .= '<div class="page-break"> </div>';
}
return $content;
}
public function addPage($page, $content)
{
$this->pages[] = ['page' => $page, 'content' => $content];
}
public function generateHead()
{
$head = [
"<title>{$this->cover['title']}</title>",
"<meta name='description' content='{$this->cover['subject']}' />",
"<meta name='author' content='{$this->cover['author']}'>",
"<meta charset='UTF-8'>",
$this->getStyles(),
];
return '<head>' . implode('', $head) . '</head>';
}
public function generateBody()
{
return '<body>' . $this->generateCover() . $this->generateTOC() . $this->generatePages() . '</body>';
}
public function generate()
{
return "<!DOCTYPE html><html>" . $this->generateHead() . $this->generateBody() . "</html>";
}
}