YetiForceCompany/YetiForcePDF

<?php

declare(strict_types=1);
/**
 * BoxDimensions class.
 *
 * @package   YetiForcePDF\Html
 *
 * @copyright YetiForce Sp. z o.o
 * @license   MIT
 * @author    Rafal Pospiech <r.pospiech@yetiforce.com>
 */

namespace YetiForcePDF\Html;

/**
 * Class BoxDimensions.
 */
class Element extends \YetiForcePDF\Base
{
    /**
     * @var Box
     */
    protected $box;
    /**
     * @var Box
     */
    protected $parentBox;
    /**
     * DOMElement tagName.
     *
     * @var string
     */
    protected $name;
    /**
     * @var \YetiForcePDF\Document
     */
    protected $document;
    /**
     * @var \DOMElement
     */
    protected $domElement;
    /**
     * Class names for element.
     *
     * @var string
     */
    protected $classNames = '';

    /**
     * Initialisation.
     *
     * @return $this
     */
    public function init()
    {
        parent::init();
        if (isset($this->domElement->tagName)) {
            $this->name = $this->domElement->tagName;
        } else {
            $this->name = $this->domElement->nodeName;
        }
        return $this;
    }

    /**
     * Set box for this element (element is always inside box).
     *
     * @param \YetiForcePDF\Html\Box $box
     *
     * @return $this
     */
    public function setBox($box)
    {
        $this->box = $box;
        return $this;
    }

    /**
     * Get box.
     *
     * @return \YetiForcePDF\Html\Box
     */
    public function getBox()
    {
        return $this->box;
    }

    /**
     * Get parent element (from parent box).
     *
     * @return mixed
     */
    public function getParent()
    {
        if ($this->box) {
            if ($parentBox = $this->box->getParent()) {
                return $parentBox->getElement();
            }
        }
    }

    /**
     * Set dom element (only for parsing dom tree - domElement should not be used anywhere else).
     *
     * @param $element
     *
     * @return \YetiForcePDF\Html\Element
     */
    public function setDOMElement($element): self
    {
        $this->domElement = $element;
        return $this;
    }

    /**
     * Get dom element.
     *
     * @return \DOMElement
     */
    public function getDOMElement()
    {
        return $this->domElement;
    }

    /**
     * Get element internal unique id.
     *
     * @return string
     */
    public function getElementId(): string
    {
        return $this->elementId;
    }

    /**
     * Attach classes.
     *
     * @return self
     */
    public function attachClasses()
    {
        if ($this->domElement instanceof \DOMElement && $this->domElement->hasAttribute('class')) {
            $classNames = [];
            foreach (explode(' ', $this->domElement->getAttribute('class')) as $className) {
                if (trim($className)) {
                    $classNames[] = '.' . $className;
                }
            }
            $this->setClassNames(implode(' ', $classNames));
        }
        return $this;
    }

    /**
     * Parse element style.
     *
     * @return \YetiForcePDF\Style\Style
     */
    public function parseStyle(): \YetiForcePDF\Style\Style
    {
        $styleStr = null;
        if ($this->domElement instanceof \DOMElement && $this->domElement->hasAttribute('style')) {
            $styleStr = $this->domElement->getAttribute('style');
        }
        $this->attachClasses();
        $style = (new \YetiForcePDF\Style\Style())
            ->setDocument($this->document)
            ->setElement($this)
            ->setContent($styleStr);
        if ($this->box) {
            $style->setBox($this->box);
        }
        return $style->init();
    }

    /**
     * Get element style.
     *
     * @return \YetiForcePDF\Style\Style
     */
    public function getStyle(): \YetiForcePDF\Style\Style
    {
        return $this->style;
    }

    /**
     * Is this text node?
     *
     * @return bool
     */
    public function isTextNode()
    {
        if ($this->domElement instanceof \DOMText) {
            return true;
        }
        return false;
    }

    /**
     * Set class names for element.
     *
     * @param string $classNames Class names for element
     *
     * @return self
     */
    public function setClassNames(string $classNames)
    {
        $this->classNames = $classNames;

        return $this;
    }

    /**
     * Get class names for element.
     *
     * @return string[]
     */
    public function getClassNames()
    {
        return $this->classNames;
    }
}