praiadeseselle/wire/modules/Inputfield/InputfieldPageTable/InputfieldPageTableAjax.php

145 lines
3.9 KiB
PHP

<?php namespace ProcessWire;
/**
* Ajax handler for FieldtypePageTable/InputfieldPageTable
*
* Concept by Antti Peisa
* Code by Ryan Cramer
* Sponsored by Avoine
*
* ProcessWire 3.x, Copyright 2016 by Ryan Cramer
* https://processwire.com
*
* @method void checkAjax()
*
*/
class InputfieldPageTableAjax extends Wire {
/**
* Notes to display in the InputfieldPageTable's notes section
*
* @var string
*/
protected $notes = '';
/**
* Construct
*
*/
public function __construct() {
$this->checkAjax();
}
/**
* Check if current request is a valid ajax request and call renderAjax() if it is.
*
*/
protected function ___checkAjax() {
$input = $this->wire('input');
$fieldName = $input->get('InputfieldPageTableField');
if(!$fieldName) return;
$processPage = $this->wire('page');
if(!in_array('WirePageEditor', wireClassImplements((string) $processPage->process))) return; // not ProcessPageEdit or compatible
$field = $this->wire('fields')->get($this->wire('sanitizer')->fieldName($fieldName));
if(!$field || !$field->type instanceof FieldtypePageTable) return; // die('field does not exist or is not FieldtypePageTable');
$pageID = (int) $input->get('id');
if(!$pageID) return; // die('page ID not specified');
$page = $this->wire('pages')->get($pageID);
if(!$page->id) return;
if(!$page->editable($field->name)) return;
$page->of(false);
$page->get($field->name); // preload, fixes issue #518 with formatted version getting loaded when it shouldn't
// check for new item that should be added
$itemID = (int) $input->get('InputfieldPageTableAdd');
if($itemID) $this->addItem($page, $field, $this->wire('pages')->get($itemID));
$sort = $input->get('InputfieldPageTableSort');
if(strlen("$sort")) $this->sortItems($page, $field, $sort);
$this->renderAjax($page, $field);
}
/**
* Render the ajax request output directly and halt execution
*
* @param Page $page
* @param Field $field
*
*/
protected function renderAjax(Page $page, Field $field) {
$inputfield = $field->getInputfield($page);
if(!$inputfield) return;
echo $inputfield->render();
if($this->notes) {
echo "<p class='notes'>" . $this->wire('sanitizer')->entities($this->notes) . "</p>";
$this->notes = '';
}
exit;
}
/**
* Handler for the InputfieldPageTableAdd ajax action
*
* @param Page $page
* @param Field $field
* @param Page $item
* @return bool
*
*/
protected function addItem(Page $page, Field $field, Page $item) {
// add an item and save the field
if(!$item->id || $item->createdUser->id != $this->wire('user')->id) return false;
$value = $page->getUnformatted($field->name);
if($value instanceof PageArray && !$value->has($item)) {
$of = $page->of();
$page->of(false);
$value->add($item);
$page->set($field->name, $value);
$page->save($field->name);
$this->notes = $this->_('Added item') . ' - ' . $item->name;
$page->of($of);
return true;
}
return false;
}
/**
* Update items to make sure they are in same order specified in GET var InputfieldPageTableSort
*
* @param Page $page
* @param Field $field
* @param string $sort CSV string
*
*/
protected function sortItems(Page $page, Field $field, $sort) {
// if this field has it's own sort settings, then we have nothing to do here.
if($field->get('sortfields') && $field->get('sortfields') != 'sort') return;
$value = $page->getUnformatted($field->name);
if(!$value instanceof PageArray || !$value->count()) return;
$sortedIDs = explode(',', $sort);
$test = implode('|', $sortedIDs);
if($test == ((string) $value)) return; // already in right order?
foreach($value as $item) {
$sort = array_search($item->id, $sortedIDs);
if($sort === false) $sort = count($value);
$item->set('_pagetable_sort', $sort);
}
$value->sort('_pagetable_sort');
}
}