<?php

namespace PhpOffice\PhpSpreadsheet\Worksheet;

use PhpOffice\PhpSpreadsheet\Exception as PhpSpreadsheetException;

abstract class Dimension
{
    /**
     * Visible?
     *
     * @var bool
     */
    private $visible = true;

    /**
     * Outline level.
     *
     * @var int
     */
    private $outlineLevel = 0;

    /**
     * Collapsed.
     *
     * @var bool
     */
    private $collapsed = false;

    /**
     * Index to cellXf. Null value means row has no explicit cellXf format.
     *
     * @var null|int
     */
    private $xfIndex;

    /**
     * Create a new Dimension.
     *
     * @param int $initialValue Numeric row index
     */
    public function __construct($initialValue = null)
    {
        // set dimension as unformatted by default
        $this->xfIndex = $initialValue;
    }

    /**
     * Get Visible.

<      *
<      * @return bool


     */

<     public function getVisible()



>     public function getVisible(): bool


    {
        return $this->visible;
    }

    /**
     * Set Visible.
     *

<      * @param bool $pValue
<      *


     * @return $this
     */

<     public function setVisible($pValue)



>     public function setVisible(bool $visible)


    {

<         $this->visible = (bool) $pValue;



>         $this->visible = $visible;



        return $this;
    }

    /**
     * Get Outline Level.

<      *
<      * @return int


     */

<     public function getOutlineLevel()



>     public function getOutlineLevel(): int


    {
        return $this->outlineLevel;
    }

    /**
     * Set Outline Level.
     * Value must be between 0 and 7.
     *

<      * @param int $pValue
<      *


     * @return $this
     */

<     public function setOutlineLevel($pValue)



>     public function setOutlineLevel(int $level)


    {

<         if ($pValue < 0 || $pValue > 7) {



>         if ($level < 0 || $level > 7) {


            throw new PhpSpreadsheetException('Outline level must range between 0 and 7.');
        }


<         $this->outlineLevel = $pValue;



>         $this->outlineLevel = $level;



        return $this;
    }

    /**
     * Get Collapsed.

<      *
<      * @return bool


     */

<     public function getCollapsed()



>     public function getCollapsed(): bool


    {
        return $this->collapsed;
    }

    /**
     * Set Collapsed.
     *

<      * @param bool $pValue
<      *


     * @return $this
     */

<     public function setCollapsed($pValue)



>     public function setCollapsed(bool $collapsed)


    {

<         $this->collapsed = (bool) $pValue;



>         $this->collapsed = $collapsed;



        return $this;
    }

    /**
     * Get index to cellXf.
     *
     * @return int
     */

<     public function getXfIndex()



>     public function getXfIndex(): ?int


    {
        return $this->xfIndex;
    }

    /**
     * Set index to cellXf.
     *

<      * @param int $pValue
<      *


     * @return $this
     */

<     public function setXfIndex($pValue)



>     public function setXfIndex(int $XfIndex)


    {

<         $this->xfIndex = $pValue;



>         $this->xfIndex = $XfIndex;



        return $this;

<     }
< 
<     /**
<      * Implement PHP __clone to create a deep clone, not just a shallow copy.
<      */
<     public function __clone()
<     {
<         $vars = get_object_vars($this);
<         foreach ($vars as $key => $value) {
<             if (is_object($value)) {
<                 $this->$key = clone $value;
<             } else {
<                 $this->$key = $value;
<             }
<         }


    }
}