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<?php
namespace PhpOffice\PhpSpreadsheet\Style;
use PhpOffice\PhpSpreadsheet\IComparable;
use PhpOffice\PhpSpreadsheet\Spreadsheet;
use PhpOffice\PhpSpreadsheet\Worksheet\Worksheet;
abstract class Supervisor implements IComparable
{
/**
* Supervisor?
*
* @var bool
*/
protected $isSupervisor;
/**
* Parent. Only used for supervisor.
*
* @var Spreadsheet|Supervisor
*/
protected $parent;
/**
* Parent property name.
*
* @var null|string
*/
protected $parentPropertyName;
/**
* Create a new Supervisor.
*
* @param bool $isSupervisor Flag indicating if this is a supervisor or not
* Leave this value at default unless you understand exactly what
* its ramifications are
*/
public function __construct($isSupervisor = false)
{
// Supervisor?
$this->isSupervisor = $isSupervisor;
}
/**
* Bind parent. Only used for supervisor.
*
* @param Spreadsheet|Supervisor $parent
* @param null|string $parentPropertyName
*
* @return $this
*/
public function bindParent($parent, $parentPropertyName = null)
{
$this->parent = $parent;
$this->parentPropertyName = $parentPropertyName;
return $this;
}
/**
* Is this a supervisor or a cell style component?
*
* @return bool
*/
public function getIsSupervisor()
{
return $this->isSupervisor;
}
/**
* Get the currently active sheet. Only used for supervisor.
*
* @return Worksheet
*/
public function getActiveSheet()
{
return $this->parent->getActiveSheet();
}
/**
* Get the currently active cell coordinate in currently active sheet.
* Only used for supervisor.
*
* @return string E.g. 'A1'
*/
public function getSelectedCells()
{
return $this->getActiveSheet()->getSelectedCells();
}
/**
* Get the currently active cell coordinate in currently active sheet.
* Only used for supervisor.
*
* @return string E.g. 'A1'
*/
public function getActiveCell()
{
return $this->getActiveSheet()->getActiveCell();
}
/**
* 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)) && ($key != 'parent')) {
$this->$key = clone $value;
} else {
$this->$key = $value;
}
}
}
/**
* Export style as array.
*
* Available to anything which extends this class:
* Alignment, Border, Borders, Color, Fill, Font,
* NumberFormat, Protection, and Style.
*/
final public function exportArray(): array
{
return $this->exportArray1();
}
/**
* Abstract method to be implemented in anything which
* extends this class.
*
* This method invokes exportArray2 with the names and values
* of all properties to be included in output array,
* returning that array to exportArray, then to caller.
*/
abstract protected function exportArray1(): array;
/**
* Populate array from exportArray1.
* This method is available to anything which extends this class.
* The parameter index is the key to be added to the array.
* The parameter objOrValue is either a primitive type,
* which is the value added to the array,
* or a Style object to be recursively added via exportArray.
*
* @param mixed $objOrValue
*/
final protected function exportArray2(array &$exportedArray, string $index, $objOrValue): void
{
if ($objOrValue instanceof self) {
$exportedArray[$index] = $objOrValue->exportArray();
} else {
$exportedArray[$index] = $objOrValue;
}
}
/**
* Get the shared style component for the currently active cell in currently active sheet.
* Only used for style supervisor.
*
* @return mixed
*/
abstract public function getSharedComponent();
/**
* Build style array from subcomponents.
*
* @param array $array
*
* @return array
*/
abstract public function getStyleArray($array);
}
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