141 lines
2.8 KiB
PHP
141 lines
2.8 KiB
PHP
<?php
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namespace SilverStripe\Forms\GridField;
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use SilverStripe\Core\Convert;
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use SilverStripe\Forms\HiddenField;
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use SilverStripe\ORM\DataList;
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/**
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* This class is a snapshot of the current status of a {@link GridField}.
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*
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* It's designed to be inserted into a Form as a HiddenField and passed through
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* to actions such as the {@link GridField_FormAction}.
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*
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* @see GridField
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*/
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class GridState extends HiddenField
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{
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/**
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* @var GridField
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*/
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protected $grid;
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/**
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* @var GridState_Data
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*/
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protected $data = null;
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/**
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* @param GridField $grid
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* @param string $value JSON encoded string
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*/
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public function __construct($grid, $value = null)
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{
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$this->grid = $grid;
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if ($value) {
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$this->setValue($value);
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}
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parent::__construct($grid->getName() . '[GridState]');
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}
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/**
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* @param mixed $d
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* @return object
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*/
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public static function array_to_object($d)
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{
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if (is_array($d)) {
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return (object) array_map(function ($item) {
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return GridState::array_to_object($item);
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}, $d ?? []);
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}
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return $d;
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}
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public function setValue($value, $data = null)
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{
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// Apply the value on top of the existing defaults
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$data = json_decode($value ?? '', true);
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if ($data) {
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$this->mergeValues($this->getData(), $data);
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}
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parent::setValue($value);
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return $this;
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}
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private function mergeValues(GridState_Data $data, array $array): void
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{
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foreach ($array as $k => $v) {
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if (is_array($v)) {
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$this->mergeValues($data->$k, $v);
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} else {
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$data->$k = $v;
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}
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}
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}
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/**
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* @return GridState_Data
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*/
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public function getData()
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{
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if (!$this->data) {
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$this->data = new GridState_Data();
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}
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return $this->data;
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}
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/**
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* @return DataList
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*/
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public function getList()
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{
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return $this->grid->getList();
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}
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/**
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* Returns a json encoded string representation of this state.
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*
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* @return string
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*/
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public function Value()
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{
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$data = $this->data ? $this->data->getChangesArray() : [];
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return json_encode($data, JSON_FORCE_OBJECT);
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}
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/**
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* Returns a json encoded string representation of this state.
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*
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* @return string
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*/
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public function dataValue()
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{
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return $this->Value();
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}
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/**
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*
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* @return string
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*/
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public function attrValue()
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{
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return Convert::raw2att($this->Value());
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}
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/**
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*
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* @return string
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*/
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public function __toString()
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{
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return $this->Value();
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}
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}
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