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44 lines
1.3 KiB
PHP
44 lines
1.3 KiB
PHP
<?php
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namespace BookStack\Entities\Tools\Markdown;
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use League\CommonMark\Extension\CommonMark\Node\Block\ListItem;
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use League\CommonMark\Extension\CommonMark\Renderer\Block\ListItemRenderer;
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use League\CommonMark\Extension\TaskList\TaskListItemMarker;
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use League\CommonMark\Node\Block\Paragraph;
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use League\CommonMark\Node\Node;
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use League\CommonMark\Renderer\ChildNodeRendererInterface;
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use League\CommonMark\Renderer\NodeRendererInterface;
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use League\CommonMark\Util\HtmlElement;
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class CustomListItemRenderer implements NodeRendererInterface
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{
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protected ListItemRenderer $baseRenderer;
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public function __construct()
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{
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$this->baseRenderer = new ListItemRenderer();
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}
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/**
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* @return HtmlElement|string|null
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*/
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public function render(Node $node, ChildNodeRendererInterface $childRenderer)
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{
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$listItem = $this->baseRenderer->render($node, $childRenderer);
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if ($node instanceof ListItem && $this->startsTaskListItem($node) && $listItem instanceof HtmlElement) {
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$listItem->setAttribute('class', 'task-list-item');
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}
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return $listItem;
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}
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private function startsTaskListItem(ListItem $block): bool
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{
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$firstChild = $block->firstChild();
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return $firstChild instanceof Paragraph && $firstChild->firstChild() instanceof TaskListItemMarker;
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}
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}
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