512 lines
11 KiB
PHP
512 lines
11 KiB
PHP
<?php namespace ProcessWire;
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/**
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* Base class for Page List rendering
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*
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* ProcessWire 3.x, Copyright 2020 by Ryan Cramer
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* https://processwire.com
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*
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* @method array getPageActions(Page $page)
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* @method string getPageLabel(Page $page, array $options = array())
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* @method int getNumChildren(Page $page, $selector = null) For hooks only, do not call directly
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*
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*/
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abstract class ProcessPageListRender extends Wire {
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/**
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* @var Page
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*
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*/
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protected $page;
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/**
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* @var PageArray
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*
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*/
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protected $children;
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/**
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* @var int
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*
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*/
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protected $start;
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/**
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* @var int
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*
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*/
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protected $limit;
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/**
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* @var string Default page label field
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*
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*/
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protected $pageLabelField = 'title';
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/**
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* @var array
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*
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*/
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protected $actionLabels = array();
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/**
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* @var array
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*
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*/
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protected $actionTips = array();
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/**
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* @var bool
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*
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*/
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protected $superuser = false;
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/**
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* @var ProcessPageListActions|null
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*
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*/
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protected $actions = null;
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/**
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* @var array
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*
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*/
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protected $options = array();
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/**
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* @var bool Use trash?
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*
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*/
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protected $useTrash = false;
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/**
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* @var string Quantity type
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*
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*/
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protected $qtyType = '';
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/**
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* @var bool is ProcessPageListRender::numChildren() hooked?
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*
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*/
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protected $numChildrenHook = false;
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/**
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* @var array Field names for page list labels and versions they should translate to
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*
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*/
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protected $translateFields = array(
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'created' => 'createdStr',
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'modified' => 'modifiedStr',
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'published' => 'publishedStr',
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);
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/**
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* Construct
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*
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* @param Page $page
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* @param PageArray $children
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*
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*/
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public function __construct(Page $page, PageArray $children) {
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$this->page = $page;
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$this->children = $children;
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$this->start = 0;
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$this->limit = 0;
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parent::__construct();
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}
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/**
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* Wired to ProcessWire instance
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*
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*/
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public function wired() {
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$this->superuser = $this->wire('user')->isSuperuser();
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$this->actionLabels = array(
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'edit' => $this->_('Edit'), // Edit page action
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'view' => $this->_('View'), // View page action
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'add' => $this->_('New'), // New page action
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'move' => $this->_('Move'), // Move page action
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'empty' => $this->_('Empty'), // Empty trash page action
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'pub' => $this->_('Pub'), // Publish page action
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'unpub' => $this->_('Unpub'), // Unpublish page action
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'hide' => $this->_('Hide'), // Hide page action
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'unhide' => $this->_('Unhide'), // Unhide page action
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'lock' => $this->_('Lock'), // Lock page action
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'unlock' => $this->_('Unlock'), // Unlock page action
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'trash' => $this->_('Trash'), // Trash page action
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'restore' => $this->_('Restore'), // Restore from trash action
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);
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require_once(dirname(__FILE__) . '/ProcessPageListActions.php');
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$this->actions = $this->wire(new ProcessPageListActions());
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$this->actions->setActionLabels($this->actionLabels);
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$this->numChildrenHook = $this->wire('hooks')->isMethodHooked($this, 'getNumChildren');
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parent::wired();
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}
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/**
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* Set option
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*
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* @param string $key
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* @param mixed $value
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* @return $this
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*
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*/
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public function setOption($key, $value) {
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$this->options[$key] = $value;
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return $this;
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}
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/**
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* Get option
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*
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* @param string $key
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* @return mixed|null
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*
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*/
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public function getOption($key) {
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return isset($this->options[$key]) ? $this->options[$key] : null;
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}
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/**
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* Set pagination start
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*
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* @param int $n
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*
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*/
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public function setStart($n) {
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$this->start = (int) $n;
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}
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/**
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* Set pagination limit
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*
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* @param int $n
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*
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*/
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public function setLimit($n) {
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$this->limit = (int) $n;
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}
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/**
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* Set action label by name
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*
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* @param string $key
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* @param string $value
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*
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*/
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public function setLabel($key, $value) {
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$this->actionLabels[$key] = $value;
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}
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/**
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* Set whether to use trash
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*
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* @param bool $useTrash
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*
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*/
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public function setUseTrash($useTrash) {
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$this->useTrash = (bool) $useTrash;
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$this->actions->setUseTrash($this->getUseTrash());
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}
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/**
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* Set the default page label field/format
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*
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* @param string $pageLabelField
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*
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*/
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public function setPageLabelField($pageLabelField) {
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$this->pageLabelField = $pageLabelField;
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}
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/**
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* Set the quantity type
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*
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* @param string $qtyType
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*
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*/
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public function setQtyType($qtyType) {
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$this->qtyType = $qtyType;
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}
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/**
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* Get the ProcessPageListActions instance
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*
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* @return null|ProcessPageListActions
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*
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*/
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public function actions() {
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return $this->actions;
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}
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/**
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* Get an array of available Page actions, indexed by $label => $url
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*
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* @param Page $page
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* @return array of $label => $url
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*
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*/
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public function ___getPageActions(Page $page) {
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return $this->actions->getActions($page);
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}
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/**
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* Return the Page's label text, whether that originates from the Page's name, headline, title, etc.
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*
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* @param Page $page
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* @param array $options
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* - `noTags` (bool): If true, HTML will be excluded [other than for icon] in returned text value (default=false)
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* - `noIcon` (bool): If true, icon markup will be excluded from returned value (default=false)
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* @return string
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*
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*/
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public function ___getPageLabel(Page $page, array $options = array()) {
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$sanitizer = $this->wire()->sanitizer;
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if(strpos($this->pageLabelField, '!') === 0) {
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// exclamation forces this one to be used, rather than template-specific one
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$label = trim(ltrim($this->pageLabelField, '!'));
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} else {
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// if the page's template specifies a pageLabelField, use that, if pageLabelField doesn't start with "!" as override
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$label = trim($page->template->pageLabelField);
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// otherwise use the one specified with this instance
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if(!strlen($label)) $label = $this->pageLabelField;
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}
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if(!strlen($label)) $label = 'name';
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$icon = $this->getPageLabelIconMarkup($page, $label); // must be called
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if(!empty($options['noIcon'])) $icon = '';
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while(strpos($label, ' ') !== false) $label = str_replace(' ', ' ', $label);
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$bracket1 = strpos($label, '{');
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if($bracket1 !== false && $bracket1 < strpos($label, '}')) {
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// predefined format string
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// adjust string so that it'll work on a single line, without the markup in it
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$value = $page->getText($label, true, true); // oneLine=true, entities=true
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} else {
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// space delimited list of fields
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$value = $this->getPageLabelDelimited($page, $label, $options);
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}
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if(!strlen($value)) {
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$value = $sanitizer->entities($page->getUnformatted("title|name"));
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}
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if(!empty($options['noTags']) && strpos($value, '<') !== false) {
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// legacy code, appears to be impossible to reach
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$value = strip_tags($value);
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}
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return $icon . trim($value);
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}
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/**
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* Get page label icon and modify $label to remove existing icon references
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*
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* @param Page $page
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* @param string $label
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* @return string
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* @since 3.0.163
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*
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*/
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protected function getPageLabelIconMarkup(Page $page, &$label) {
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$icon = $page->getIcon();
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// remove any existing icon references in label
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if(strpos($label, 'fa-') !== false || strpos($label, 'icon-') !== false) {
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if(preg_match_all('/\b(?:fa|icon)-([-a-z0-9]+)(?:\s*|\b)/', $label, $matches)) {
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foreach($matches[0] as $key => $iconFull) {
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// allow first icon reference to be used if there isn't already one
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if(!$icon) $icon = $matches[1][$key];
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$label = str_replace($iconFull, '', $label);
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}
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}
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}
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if($icon) {
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if(!ctype_alnum($icon) && !ctype_alnum(str_replace('-', '', $icon))) {
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$icon = $this->wire()->sanitizer->name($icon);
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}
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$icon = "<i class='icon fa fa-fw fa-$icon'></i>";
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}
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return $icon;
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}
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/**
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* Get page label when label format is space delimited
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*
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* @param Page $page
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* @param string $label
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* @param array $options
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* @return string
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* @since 3.0.163
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*
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*/
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protected function getPageLabelDelimited(Page $page, $label, array $options) {
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$value = '';
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// convert to array
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if(strpos($label, ' ')) {
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$fields = explode(' ', $label);
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} else {
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$fields = array($label);
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}
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foreach($fields as $field) {
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$field = trim($field);
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if(!strlen($field)) {
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continue;
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} else if(strpos($field, ".")) {
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list($field, $subfield) = explode(".", $field);
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if(isset($this->translateFields[$subfield])) $subfield = $this->translateFields[$subfield];
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} else if(strpos($field, 'icon-') === 0 || strpos($field, 'fa-') === 0) {
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// skip over icons, which we now pull directly from page
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continue;
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} else {
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$subfield = '';
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}
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if(isset($this->translateFields[$field])) $field = $this->translateFields[$field];
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$v = $page->get($field);
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if($subfield && is_object($v)) {
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if($v instanceof WireArray && count($v)) $v = $v->first();
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if($v instanceof Page) {
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$v = $v->getFormatted($subfield); // @esrch PR #965
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} else if($v instanceof Template && $subfield == 'label') {
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$v = $v->getLabel();
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} else if($v instanceof Wire) {
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$v = $v->$subfield;
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} else {
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// unknown
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$v = (string) $v;
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}
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}
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if(!strlen("$v")) continue;
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if(empty($options['noTags'])) {
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$value .= "<span class='label_$field'>";
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} else if(strlen($value)) {
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$value .= ", ";
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}
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$value .= htmlspecialchars(strip_tags("$v"), ENT_QUOTES, "UTF-8", false);
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if(empty($options['noTags'])) $value .= "</span>";
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}
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return $value;
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}
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/**
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* Render child item in page list
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*
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* @param Page $page
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* @return array
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*
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*/
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abstract public function renderChild(Page $page);
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/**
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* Render page list
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*
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* @return string|array
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*
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*/
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abstract public function render();
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/**
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* Get the name of this renderer (i.e. 'JSON')
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*
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* @return string
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*
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*/
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public function getRenderName() {
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return str_replace('ProcessPageListRender', '', $this->className());
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}
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/**
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* Get URL to view more
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*
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* @return string
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*
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*/
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public function getMoreURL() {
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if($this->limit && ($this->numChildren($this->page, 1) > ($this->start + $this->limit))) {
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$start = $this->start + $this->limit;
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return $this->config->urls->admin . "page/list/?&id={$this->page->id}&start=$start&render=" . $this->getRenderName();
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}
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return '';
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}
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/**
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* Get children pages
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*
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* @return PageArray
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*
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*/
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public function getChildren() {
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return $this->children;
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}
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/**
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* Get whether or not to use trash
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*
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* @return bool
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*
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*/
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public function getUseTrash() {
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return $this->useTrash;
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}
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/**
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* Hook this method if you want to manipulate the numChildren count for pages
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*
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* ~~~~~
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* $wire->addHookAfter('ProcessPageListRender::getNumChildren', function($event) {
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* $page = $event->arguments(0);
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* $selector = $event->arguments(1);
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* $event->return = $page->numChildren($selector); // your implementation here
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* });
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* ~~~~~
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*
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* See Page::numChildren() for details on arguments
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*
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* #pw-hooker
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*
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* @param Page $page
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* @param string|int|bool|null $selector
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* @return int
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*
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*/
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protected function ___getNumChildren(Page $page, $selector = null) {
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return $page->numChildren($selector);
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}
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/**
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* Return number of children for page
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* @param Page $page
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* @param string|int|bool|null $selector
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* @return int
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*
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*/
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public function numChildren(Page $page, $selector = null) {
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return $this->numChildrenHook ? $this->getNumChildren($page, $selector) : $page->numChildren($selector);
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}
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}
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