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<?php
namespace Bitrix\Landing\Node;
use \Bitrix\Landing\File;
use \Bitrix\Landing\Manager;
use \Bitrix\Main\Web\DOM\StyleInliner;
class Img extends \Bitrix\Landing\Node
{
/**
* Get class - frontend handler.
* @return string
*/
public static function getHandlerJS()
{
return 'BX.Landing.Block.Node.Img';
}
/**
* Save data for this node.
* @param \Bitrix\Landing\Block $block Block instance.
* @param string $selector Selector.
* @param array $data Data array.
* @return void
*/
public static function saveNode(\Bitrix\Landing\Block $block, $selector, array $data)
{
$doc = $block->getDom();
$resultList = $doc->querySelectorAll($selector);
foreach ($data as $pos => $value)
{
// 2x - this for retina support
$src = (isset($value['src']) && is_string($value['src'])) ? trim($value['src']) : '';
$src2x = (isset($value['src2x']) && is_string($value['src2x'])) ? trim($value['src2x']) : '';
$alt = (isset($value['alt']) && is_string($value['alt'])) ? trim($value['alt']) : '';
$id = isset($value['id']) ? intval($value['id']) : 0;
$id2x = isset($value['id2x']) ? intval($value['id2x']) : 0;
if (isset($value['url']))
{
$url = is_array($value['url'])
? json_encode($value['url'])
: $value['url'];
}
else
{
$url = '';
}
if (isset($resultList[$pos]))
{
// check permissions to this file ids
if ($id || $id2x)
{
static $files = null;
if ($files === null)
{
$files = File::getFilesFromBlock($block->getId());
}
if (!in_array($id, $files))
{
$id = 0;
}
if (!in_array($id2x, $files))
{
$id2x = 0;
}
}
// update in content
if ($resultList[$pos]->getTagName() !== 'IMG')
{
$styles = StyleInliner::getStyle($resultList[$pos]);
$oldStyles = [];
$newStyles = [];
// collect existing styles
foreach ($styles as $key => $styleValue)
{
if ($key !== 'background' && $key !== 'background-image')
{
$oldStyles[] = "{$key}: {$styleValue};";
}
}
// add images to bg
if ($src)
{
// and one two additional bg
$newStyles = [
"background-image: url('{$src}');"
];
if ($src2x)
{
$newStyles = array_merge(
$newStyles,
[
"background-image: -webkit-image-set(url('{$src}') 1x, url('{$src2x}') 2x);",
"background-image: image-set(url('{$src}') 1x, url('{$src2x}') 2x);"
]
);
}
}
// or remove exists
else
{
foreach (['fileid', 'fileid2x'] as $dataCode)
{
$oldId = $resultList[$pos]->getAttribute(
'data-' . $dataCode
);
if ($oldId > 0)
{
File::deleteFromBlock(
$block->getId(),
$oldId
);
}
}
}
$style = array_merge($oldStyles, $newStyles);
$style = implode(' ', $style);
$resultList[$pos]->setAttribute('style', $style);
}
else
{
$resultList[$pos]->setAttribute('alt', $alt);
$resultList[$pos]->setAttribute('src', $src);
if ($src2x)
{
$resultList[$pos]->setAttribute('srcset', "{$src2x} 2x");
}
else
{
$resultList[$pos]->setAttribute('srcset', '');
}
}
if ($id)
{
$resultList[$pos]->setAttribute('data-fileid', $id);
}
if ($id2x)
{
$resultList[$pos]->setAttribute('data-fileid2x', $id2x);
}
if ($url)
{
$resultList[$pos]->setAttribute('data-pseudo-url', $url);
}
}
}
}
/**
* Get data for this node.
* @param \Bitrix\Landing\Block $block Block instance.
* @param string $selector Selector.
* @return array
*/
public static function getNode(\Bitrix\Landing\Block $block, $selector)
{
$data = array();
$doc = $block->getDom();
$resultList = $doc->querySelectorAll($selector);
foreach ($resultList as $pos => $res)
{
if ($res->getTagName() !== 'IMG')
{
$styles = StyleInliner::getStyle($res);
if (isset($styles['background-image']))
{
$src = $src2x = null;
// try gets retina srcset
if (
preg_match_all(
'/url\(\'*([^\']+)\'*\)\s*([\d]*x*)/is',
$styles['background-image'],
$matches
)
)
{
for ($i = 0, $c = count($matches[1]); $i < $c; $i++)
{
if ($matches[2][$i] == 2)
{
$src2x = $matches[1][$i];
}
else
{
$src = $matches[1][$i];
}
}
}
if ($src || $src2x)
{
$data[$pos] = [];
if ($src)
{
$data[$pos]['src'] = Manager::getUrlFromFile($src);
}
if ($src2x)
{
$data[$pos]['src2x'] = Manager::getUrlFromFile($src2x);
}
}
}
}
else
{
$src = $res->getAttribute('src');
$srcSet = $res->getAttribute('srcset');
$data[$pos] = array(
'alt' => $res->getAttribute('alt'),
'src' => Manager::getUrlFromFile($src),
);
if (preg_match('/[\,\s]*(.*?)\s+2x/is', $srcSet, $matches))
{
$data[$pos]['src2x'] = Manager::getUrlFromFile($matches[1]);
}
}
$dataAtrs = [
'data-pseudo-url' => 'url',
'data-fileid' => 'id',
'data-fileid2x' => 'id2x'
];
foreach ($dataAtrs as $codeFrom => $codeTo)
{
if ($val = $res->getAttribute($codeFrom))
{
$data[$pos][$codeTo] = $val;
}
}
}
return $data;
}
/**
* This node may participate in searching.
* @param \Bitrix\Landing\Block $block Block instance.
* @param string $selector Selector.
* @return array
*/
public static function getSearchableNode($block, $selector)
{
$searchContent = [];
$nodes = self::getNode($block, $selector);
foreach ($nodes as $node)
{
if (!isset($node['alt']))
{
continue;
}
$node['alt'] = self::prepareSearchContent($node['alt']);
if ($node['alt'] && !in_array($node['alt'], $searchContent))
{
$searchContent[] = $node['alt'];
}
}
return $searchContent;
}
}