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<?php
namespace Bitrix\Main\Web\DOM;
class DisplayProperties
{
const DISPLAY = 'display';
const FONT = 'font';
const DISPLAY_HIDDEN = 'hidden';
const DISPLAY_BLOCK = 'block';
const DISPLAY_INLINE = 'inline';
const FONT_NORMAL = 'normal';
const FONT_BOLD = 'bold';
const FONT_ITALIC = 'italic';
const FONT_UNDERLINED = 'underlined';
const FONT_DELETED = 'deleted';
protected $properties = [];
public function __construct(Node $node, array $properties = [], array $defaultProperties = [])
{
$this->properties = array_merge(
$this->getDefaultProperties(),
$defaultProperties,
$this->getNodeProperties($node),
$properties
);
}
/**
* @return bool
*/
public function isHidden()
{
return $this->properties[static::DISPLAY] === static::DISPLAY_HIDDEN;
}
/**
* @return bool
*/
public function isDisplayBlock()
{
return $this->properties[static::DISPLAY] === static::DISPLAY_BLOCK;
}
/**
* @return bool
*/
public function isDisplayInline()
{
return $this->properties[static::DISPLAY] === static::DISPLAY_INLINE;
}
/**
* @return bool
*/
public function isFontBold()
{
return $this->properties[static::FONT][static::FONT_BOLD] === true;
}
/**
* @return bool
*/
public function isFontItalic()
{
return $this->properties[static::FONT][static::FONT_ITALIC] === true;
}
/**
* @return bool
*/
public function isFontUnderlined()
{
return $this->properties[static::FONT][static::FONT_UNDERLINED] === true;
}
/**
* @return bool
*/
public function isFontDeleted()
{
return $this->properties[static::FONT][static::FONT_DELETED] === true;
}
/**
* @return array
*/
public function getProperties()
{
return $this->properties;
}
/**
* @return array
*/
protected function getDefaultProperties()
{
return [
static::DISPLAY => static::DISPLAY_INLINE,
'font' => [],
];
}
/**
* Returns true if this node should be rendered.
*
* @param \Bitrix\Main\Web\DOM\Node $node
* @return bool
*/
protected function isHiddenNode(Node $node)
{
static $hiddenNodeNames = [
'#comment' => true, 'STYLE' => true, 'SCRIPT' => true,
];
return isset($hiddenNodeNames[$node->getNodeName()]);
}
/**
* Returns true if html-tag with this $tagName displays as block by default.
*
* @param string $tagName
* @return bool
*/
protected function isBlockTag($tagName)
{
$blockTagNames = [
'address' => true, 'article' => true, 'aside' => true, 'blockquote' => true, 'details' => true,
'dialog' => true, 'dd' => true, 'div' => true, 'dl' => true, 'dt' => true, 'fieldset' => true,
'figcaption' => true, 'figure' => true, 'footer' => true, 'form' => true, 'h1' => true, 'h2' => true,
'h3' => true, 'h4' => true, 'h5' => true, 'h6' => true, 'header' => true, 'hgroup' => true, 'hr' => true,
'li' => true, 'main' => true, 'nav' => true, 'ol' => true, 'p' => true, 'pre' => true, 'section' => true, 'table' => true,
'ul' => true,
];
return isset($blockTagNames[mb_strtolower($tagName)]);
}
/**
* Returns true if html-tag with this $tagName has bold font-weight by default.
*
* @param string $tagName
* @return bool
*/
protected function isBoldTag($tagName)
{
$boldTagNames = [
'b' => true, 'mark' => true, 'em' => true, 'strong' => true, 'h1' => true, 'h2' => true, 'h3' => true,
'h4' => true, 'h5' => true, 'h6' => true,
];
return isset($boldTagNames[mb_strtolower($tagName)]);
}
/**
* Returns true if html-tag with this $tagName has italic font-style by default.
*
* @param string $tagName
* @return bool
*/
protected function isItalicTag($tagName)
{
$italicTagNames = [
'i' => true, 'cite' => true, 'dfn' => true,
];
return isset($italicTagNames[mb_strtolower($tagName)]);
}
/**
* Returns true if html-tag with this $tagName has underlined font-decoration by default.
*
* @param string $tagName
* @return bool
*/
protected function isUnderlinedTag($tagName)
{
return mb_strtolower($tagName) == 'u';
}
/**
* Returns true if html-tag with this $tagName renders as 'deleted' by default.
*
* @param string $tagName
* @return bool
*/
protected function isDeletedTag($tagName)
{
return mb_strtolower($tagName) == 'del';
}
/**
* @param Node $node
* @return array
*/
protected function getNodeProperties(Node $node)
{
$result = [];
if($this->isHiddenNode($node))
{
$result[static::DISPLAY] = static::DISPLAY_HIDDEN;
return $result;
}
if($node instanceof Element)
{
$styles = $node->getStyle();
$display = false;
$font = [];
if($styles)
{
$stylePairs = explode(';', $styles);
foreach($stylePairs as $pair)
{
list($name, $value) = explode(':', $pair);
if($name && $value)
{
$name = trim($name);
$value = trim($value);
if($name == static::DISPLAY)
{
if($value == 'none')
{
$display = static::DISPLAY_HIDDEN;
}
elseif($value == 'block')
{
$display = static::DISPLAY_BLOCK;
}
elseif($value == 'inline')
{
$display = static::DISPLAY_INLINE;
}
}
elseif($name == 'font-weight')
{
if(intval($value) > 500 || $value == 'bold')
{
$font[static::FONT_BOLD] = true;
}
elseif(intval($value) < 500 || $value == 'normal')
{
$font[static::FONT_BOLD] = false;
}
}
elseif($name == 'font-style')
{
if($value == 'italic' || mb_strpos($value, 'oblique') === 0)
{
$font[static::FONT_ITALIC] = true;
}
elseif($value == 'normal')
{
$font[static::FONT_ITALIC] = false;
}
}
elseif($name == 'text-decoration')
{
if(mb_strpos($value, 'underline') !== false)
{
$font[static::FONT_UNDERLINED] = true;
}
if(mb_strpos($value, 'line-through') !== false)
{
$font[static::FONT_DELETED] = true;
}
if($value == 'none')
{
$font[static::FONT_UNDERLINED] = false;
$font[static::FONT_DELETED] = false;
}
}
}
}
}
if($display == static::DISPLAY_HIDDEN)
{
$result[static::DISPLAY] = $display;
return $result;
}
if(!$display && $this->isBlockTag($node->getTagName()))
{
$display = static::DISPLAY_BLOCK;
}
if(!isset($font[static::FONT_BOLD]) && $this->isBoldTag($node->getTagName()))
{
$font[static::FONT_BOLD] = true;
}
if(!isset($font[static::FONT_ITALIC]) && $this->isItalicTag($node->getTagName()))
{
$font[static::FONT_ITALIC] = true;
}
if(!isset($font[static::FONT_UNDERLINED]) && $this->isUnderlinedTag($node->getTagName()))
{
$font[static::FONT_UNDERLINED] = true;
}
if($this->isDeletedTag($node->getTagName()))
{
$font[static::FONT_DELETED] = true;
}
if($display)
{
$result[static::DISPLAY] = $display;
}
$result['font'] = $font;
}
return $result;
}
}