126 lines
2.9 KiB
PHP
126 lines
2.9 KiB
PHP
<?php
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namespace SilverStripe\Forms\GridField;
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use SilverStripe\Control\Controller;
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use SilverStripe\Forms\Form;
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use SilverStripe\Forms\FormAction;
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/**
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* This class is the base class when you want to have an action that alters the state of the
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* {@link GridField}, rendered as a button element.
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*/
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class GridField_FormAction extends FormAction
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{
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/**
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* @var GridField
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*/
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protected $gridField;
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/**
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* @var array
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*/
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protected $stateValues;
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/**
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* @var array
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*/
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protected $args = array();
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/**
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* @var string
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*/
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protected $actionName;
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/**
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* @var boolean
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*/
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public $useButtonTag = true;
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/**
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* @param GridField $gridField
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* @param string $name
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* @param string $title
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* @param string $actionName
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* @param array $args
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*/
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public function __construct(GridField $gridField, $name, $title, $actionName, $args)
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{
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$this->gridField = $gridField;
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$this->actionName = $actionName;
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$this->args = $args;
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parent::__construct($name, $title);
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}
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/**
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* Encode all non-word characters.
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*
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* @param string $value
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*
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* @return string
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*/
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public function nameEncode($value)
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{
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return (string)preg_replace_callback('/[^\w]/', array($this, '_nameEncode'), $value);
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}
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/**
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* @param array $match
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*
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* @return string
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*/
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public function _nameEncode($match)
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{
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return '%' . dechex(ord($match[0]));
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}
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/**
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* @return array
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*/
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public function getAttributes()
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{
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// Store state in session, and pass ID to client side.
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$state = array(
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'grid' => $this->getNameFromParent(),
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'actionName' => $this->actionName,
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'args' => $this->args,
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);
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// Ensure $id doesn't contain only numeric characters
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$id = 'gf_' . substr(md5(serialize($state)), 0, 8);
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$session = Controller::curr()->getRequest()->getSession();
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$session->set($id, $state);
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$actionData['StateID'] = $id;
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return array_merge(
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parent::getAttributes(),
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array(
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// Note: This field needs to be less than 65 chars, otherwise Suhosin security patch
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// will strip it from the requests
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'name' => 'action_gridFieldAlterAction' . '?' . http_build_query($actionData),
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'data-url' => $this->gridField->Link(),
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)
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);
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}
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/**
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* Calculate the name of the gridfield relative to the form.
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*
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* @return string
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*/
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protected function getNameFromParent()
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{
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$base = $this->gridField;
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$name = array();
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do {
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array_unshift($name, $base->getName());
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$base = $base->getForm();
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} while ($base && !($base instanceof Form));
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return implode('.', $name);
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}
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}
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