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- Chg: Changed HumHub min version to 1.8
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,123 @@ | ||
| <?php | ||
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| namespace humhub\modules\wiki\widgets; | ||
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| use humhub\modules\content\widgets\richtext\extensions\link\LinkParserBlock; | ||
| use humhub\modules\content\widgets\richtext\extensions\link\RichTextLinkExtension; | ||
| use humhub\modules\content\widgets\richtext\extensions\link\RichTextLinkExtensionMatch; | ||
| use humhub\modules\content\widgets\richtext\ProsemirrorRichText; | ||
| use humhub\modules\file\models\File; | ||
| use humhub\modules\wiki\helpers\Url; | ||
| use humhub\modules\wiki\models\WikiPage; | ||
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| /** | ||
| * Wiki link extension uses the following format: | ||
| * | ||
| * [<text>](wiki:label "url") | ||
| * $match[0]: markdown, $match[1]: name, $match[2]: extension(wiki) $match[3]: wikiId | ||
| */ | ||
| class WikiRichTextLinkExtension extends RichTextLinkExtension | ||
| { | ||
| public $key = 'wiki'; | ||
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| /** | ||
| * @inheritdoc | ||
| */ | ||
| public function onBeforeOutput(ProsemirrorRichText $richtext, string $output) : string | ||
| { | ||
| $output = $this->parseWikiLinks($richtext->edit, $output); | ||
| return $this->parseInternalLinks($richtext->edit, $output); | ||
| } | ||
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| /** | ||
| * @inheritdoc | ||
| */ | ||
| public function parseWikiLinks(bool $isEdit, string $output) | ||
| { | ||
| return static::replace($output, function(RichTextLinkExtensionMatch $match) use($isEdit) { | ||
| return $this->toWikiLink($isEdit, $match->getText(), WikiPage::findOne(['id' => $match->getExtensionId()]), null, $match->getTitle()); | ||
| }); | ||
| } | ||
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| /** | ||
| * Parses for legacy wiki links | ||
| * @param bool $isEdit | ||
| * @param string $output | ||
| * @return string | ||
| */ | ||
| private function parseInternalLinks(bool $isEdit, string $output) | ||
| { | ||
| return preg_replace_callback(static::getLinkPattern(), function($match) use($isEdit) { | ||
| $url = $match[2]; | ||
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| if(empty($url)) { | ||
| return $match[0]; | ||
| } | ||
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| if(strpos($url, "file-guid-") !== 0 && strpos($url, "file-guid:") !== 0 && $url[0] !== '.' && $url[0] !== '/' && strpos($url, ':') === false) { | ||
| $page = WikiPage::findOne(['title' => $match[2]]); | ||
| return $this->toWikiLink($isEdit, $match[1], $page); | ||
| } | ||
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| if(!$isEdit) { | ||
| if (strpos($url, "file-guid-") === 0) { | ||
| $guid = str_replace('file-guid-', '', $url); | ||
| $file = File::findOne(['guid' => $guid]); | ||
| if ($file !== null) { | ||
| return '['.$match[1].']('.$file->getUrl([], true).')'; | ||
| } | ||
| } | ||
| } | ||
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| return $match[0]; | ||
| }, $output); | ||
| } | ||
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| /** | ||
| * @inheritdoc | ||
| */ | ||
| private static function getLinkPattern() | ||
| { | ||
| return '/(?<!\\\\)\[([^\]]*)\]\(([^\)\s]*)(?:\s")?([^\)"]*)?(?:")?\)/is'; | ||
| } | ||
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| private function toWikiLink($isEdit, $label, $page, $title = null, $anchor = null) | ||
| { | ||
| if(!$page) { | ||
| // page not found format is [<label>](wiki:#) | ||
| return $this->toWikiLink($isEdit, $label, '#'); | ||
| } | ||
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| if($page instanceof WikiPage) { | ||
| // In edit mode we use wiki:<wikiId> format in rendered richtext we use actual wiki url | ||
| $url = $isEdit ? $page->id : Url::toWiki($page); | ||
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| if($anchor) { | ||
| $url .= '#'. urlencode($anchor); | ||
| } | ||
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| return $this->toWikiLink($isEdit, $label, $url, $page->title); | ||
| } | ||
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| return RichTextLinkExtension::buildLink($label,'wiki:'. $page, $title ); | ||
| } | ||
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| /** | ||
| * @inheritdoc | ||
| */ | ||
| public function onBeforeConvertLink(LinkParserBlock $linkBlock) : void | ||
| { | ||
| $wikiId = $this->cutExtensionKeyFromUrl($linkBlock->getUrl()); | ||
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| $page = WikiPage::findOne(['id' => $wikiId]); | ||
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| if(!$page) { | ||
| $linkBlock->setResult('['.$linkBlock->getParsedText().']'); | ||
| return; | ||
| } | ||
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| $linkBlock->setUrl($page->getUrl()); | ||
| } | ||
| } |
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