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PhabricatorRemarkupRuleEmbedFile.php
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Sun, May 26, 06:53

PhabricatorRemarkupRuleEmbedFile.php
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<?php
/**
* @group markup
*/
final class PhabricatorRemarkupRuleEmbedFile
extends PhutilRemarkupRule {
const KEY_RULE_EMBED_FILE = 'rule.embed.file';
const KEY_EMBED_FILE_PHIDS = 'phabricator.embedded-file-phids';
public function apply($text) {
return preg_replace_callback(
"@{F(\d+)([^}]+?)?}@",
array($this, 'markupEmbedFile'),
$text);
}
public function markupEmbedFile($matches) {
$file = null;
if ($matches[1]) {
// TODO: This is pretty inefficient if there are a bunch of files.
$file = id(new PhabricatorFile())->load($matches[1]);
}
if (!$file) {
return $matches[0];
}
$phid = $file->getPHID();
$engine = $this->getEngine();
$token = $engine->storeText('');
$metadata_key = self::KEY_RULE_EMBED_FILE;
$metadata = $engine->getTextMetadata($metadata_key, array());
$bundle = array('token' => $token);
$options = array(
'size' => 'thumb',
'layout' => 'left',
'float' => false,
'name' => null,
);
if (!empty($matches[2])) {
$matches[2] = trim($matches[2], ', ');
$parser = new PhutilSimpleOptions();
$options = $parser->parse($matches[2]) + $options;
}
$file_name = coalesce($options['name'], $file->getName());
$options['name'] = $file_name;
$is_viewable_image = $file->isViewableImage();
$attrs = array();
if ($is_viewable_image) {
switch ((string)$options['size']) {
case 'full':
$attrs['src'] = $file->getBestURI();
$options['image_class'] = null;
$file_data = $file->getMetadata();
$height = idx($file_data, PhabricatorFile::METADATA_IMAGE_HEIGHT);
if ($height) {
$attrs['height'] = $height;
}
$width = idx($file_data, PhabricatorFile::METADATA_IMAGE_WIDTH);
if ($width) {
$attrs['width'] = $width;
}
break;
case 'thumb':
default:
$attrs['src'] = $file->getPreview220URI();
$dimensions =
PhabricatorImageTransformer::getPreviewDimensions($file, 220);
$attrs['width'] = $dimensions['sdx'];
$attrs['height'] = $dimensions['sdy'];
$options['image_class'] = 'phabricator-remarkup-embed-image';
break;
}
}
$bundle['attrs'] = $attrs;
$bundle['options'] = $options;
$bundle['meta'] = array(
'phid' => $file->getPHID(),
'viewable' => $is_viewable_image,
'uri' => $file->getBestURI(),
'dUri' => $file->getDownloadURI(),
'name' => $options['name'],
);
$metadata[$phid][] = $bundle;
$engine->setTextMetadata($metadata_key, $metadata);
return $token;
}
public function didMarkupText() {
$engine = $this->getEngine();
$metadata_key = self::KEY_RULE_EMBED_FILE;
$metadata = $engine->getTextMetadata($metadata_key, array());
if (!$metadata) {
return;
}
$file_phids = array();
foreach ($metadata as $phid => $bundles) {
foreach ($bundles as $data) {
$options = $data['options'];
$meta = $data['meta'];
if (!$meta['viewable'] || $options['layout'] == 'link') {
$link = id(new PhabricatorFileLinkView())
->setFilePHID($meta['phid'])
->setFileName($meta['name'])
->setFileDownloadURI($meta['dUri'])
->setFileViewURI($meta['uri'])
->setFileViewable($meta['viewable']);
$embed = $link->render();
$engine->overwriteStoredText($data['token'], $embed);
continue;
}
require_celerity_resource('lightbox-attachment-css');
$img = phutil_tag('img', $data['attrs']);
$embed = javelin_tag(
'a',
array(
'href' => $meta['uri'],
'class' => $options['image_class'],
'sigil' => 'lightboxable',
'mustcapture' => true,
'meta' => $meta,
),
$img);
$layout_class = null;
switch ($options['layout']) {
case 'right':
case 'center':
case 'inline':
case 'left':
$layout_class = 'phabricator-remarkup-embed-layout-'.
$options['layout'];
break;
default:
$layout_class = 'phabricator-remarkup-embed-layout-left';
break;
}
if ($options['float']) {
switch ($options['layout']) {
case 'center':
case 'inline':
break;
case 'right':
$layout_class .= ' phabricator-remarkup-embed-float-right';
break;
case 'left':
default:
$layout_class .= ' phabricator-remarkup-embed-float-left';
break;
}
}
if ($layout_class) {
$embed = phutil_tag(
'div',
array(
'class' => $layout_class,
),
$embed);
}
$engine->overwriteStoredText($data['token'], $embed);
}
$file_phids[] = $phid;
}
$engine->setTextMetadata(self::KEY_EMBED_FILE_PHIDS, $file_phids);
$engine->setTextMetadata($metadata_key, array());
}
}

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