189 lines
3.2 KiB
PHP
189 lines
3.2 KiB
PHP
<?php
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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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* @package framework
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* @subpackage fields-gridfield
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*/
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class GridState extends HiddenField {
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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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*
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* @param GridField $name
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* @param string $data - json encoded string
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*/
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public function __construct($grid, $value = null) {
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$this->grid = $grid;
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if ($value) $this->setValue($value);
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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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if(is_array($d)) {
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return (object) array_map(array('GridState', 'array_to_object'), $d);
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}
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return $d;
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}
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/**
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* @param mixed $value
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*/
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public function setValue($value) {
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if (is_string($value)) {
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$this->data = new GridState_Data(json_decode($value, true));
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}
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parent::setValue($value);
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}
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/**
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* @var GridState_Data
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*/
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public function getData() {
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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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return $this->grid->getList();
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}
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/**
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* Returns a json encoded string representation of this state.
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*
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* @return string
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*/
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public function Value() {
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if(!$this->data) {
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return json_encode(array());
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}
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return json_encode($this->data->toArray());
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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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return $this->Value();
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}
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/**
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*
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* @return type
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*/
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public function attrValue() {
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return Convert::raw2att($this->Value());
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}
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/**
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*
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* @return type
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*/
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public function __toString() {
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return $this->Value();
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}
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}
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/**
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* Simple set of data, similar to stdClass, but without the notice-level
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* errors.
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*
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* @see GridState
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*
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* @package framework
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* @subpackage fields-gridfield
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*/
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class GridState_Data {
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/**
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* @var array
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*/
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protected $data;
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public function __construct($data = array()) {
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$this->data = $data;
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}
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public function __get($name) {
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if(!isset($this->data[$name])) {
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$this->data[$name] = new GridState_Data();
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} else if(is_array($this->data[$name])) {
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$this->data[$name] = new GridState_Data($this->data[$name]);
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}
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return $this->data[$name];
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}
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public function __set($name, $value) {
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$this->data[$name] = $value;
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}
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public function __isset($name) {
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return isset($this->data[$name]);
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}
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public function __toString() {
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if(!$this->data) {
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return "";
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}
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return json_encode($this->toArray());
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}
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public function toArray() {
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$output = array();
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foreach($this->data as $k => $v) {
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$output[$k] = (is_object($v) && method_exists($v, 'toArray')) ? $v->toArray() : $v;
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}
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return $output;
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}
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}
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/**
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* @see GridState
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*
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* @package framework
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* @subpackage fields-gridfield
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*/
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class GridState_Component implements GridField_HTMLProvider {
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public function getHTMLFragments($gridField) {
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return array(
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'before' => $gridField->getState(false)->Field()
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);
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}
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}
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