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Book.php
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Book.php
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<?php namespace Todaymade\Daux\Format\HTMLFile;
use Todaymade\Daux\Config;
use Todaymade\Daux\Tree\Content;
use Todaymade\Daux\Tree\Directory;
class Book
{
protected $tree;
protected $pages = [];
public function __construct(Directory $tree, Config $config)
{
$this->tree = $tree;
$this->config = $config;
}
protected function getStyles()
{
$styles = '';
foreach ($this->config->getTheme()->getCSS() as $css) {
$file = $this->config->getThemesPath() . DIRECTORY_SEPARATOR . '..' . DIRECTORY_SEPARATOR . $css;
$styles .= '<style>' . file_get_contents($file) . '</style>';
}
return $styles;
}
protected function getPageUrl($page)
{
return 'file_' . str_replace('/', '_', $page->getUrl());
}
protected function buildNavigation(Directory $tree)
{
$nav = [];
foreach ($tree->getEntries() as $node) {
if ($node instanceof Content) {
if ($node->isIndex()) {
continue;
}
$nav[] = [
'title' => $node->getTitle(),
'href' => '#' . $this->getPageUrl($node),
];
} elseif ($node instanceof Directory) {
if (!$node->hasContent()) {
continue;
}
$pageIndex = ($index = $node->getIndexPage()) ? $index : $node->getFirstPage();
$nav[] = [
'title' => $node->getTitle(),
'href' => '#' . $this->getPageUrl($pageIndex),
'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="Nav__item__link--nopage">' . $entry['title'] . '</a>';
} else {
$link = '<a href="#" class="Nav__item__link Nav__item__link--nopage">' . $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($this->tree)) .
'</div><div class="PageBreak"> </div>';
}
protected function generateCover()
{
return '<div>' .
"<h1 style='font-size:40pt; margin-bottom:0;'>{$this->config->getTitle()}</h1>" .
"<p><strong>{$this->config->getTagline()}</strong> by {$this->config->getAuthor()}</p>" .
'</div><div class="PageBreak"> </div>';
}
protected function generatePages()
{
$content = '';
foreach ($this->pages as $page) {
$content .= '<a id="' . $this->getPageUrl($page['page']) . '"></a>';
$content .= '<h1>' . $page['page']->getTitle() . '</h1>';
$content .= '<section class="s-content">' . $page['content'] . '</section>';
$content .= '<div class="PageBreak"> </div>';
}
return $content;
}
public function addPage($page, $content)
{
$this->pages[] = ['page' => $page, 'content' => $content];
}
public function generateHead()
{
$head = [
"<title>{$this->config->getTitle()}</title>",
"<meta name='description' content='{$this->config->getTagline()}' />",
"<meta name='author' content='{$this->config->getAuthor()}'>",
"<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>';
}
}