142 lines
3.4 KiB
PHP
142 lines
3.4 KiB
PHP
<?php
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namespace SilverStripe\CMS\Controllers;
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use SilverStripe\ORM\CMSPreviewable;
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use SilverStripe\ORM\DataObject;
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use SilverStripe\Versioned\Versioned;
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use SilverStripe\Security\Member;
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use SilverStripe\View\ViewableData;
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/**
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* Navigator items are links that appear in the $SilverStripeNavigator bar.
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* To add an item, extend this class - it will be automatically picked up.
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* When instanciating items manually, please ensure to call {@link canView()}.
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*/
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abstract class SilverStripeNavigatorItem extends ViewableData
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{
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/**
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* @param DataObject|CMSPreviewable
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*/
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protected $record;
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/** @var string */
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protected $recordLink;
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/**
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* @param DataObject|CMSPreviewable $record
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*/
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public function __construct(CMSPreviewable $record)
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{
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parent::__construct();
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$this->record = $record;
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}
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/**
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* @return string HTML, mostly a link - but can be more complex as well.
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* For example, a "future state" item might show a date selector.
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*/
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abstract public function getHTML();
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/**
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* @return string
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* Get the Title of an item
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*/
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abstract public function getTitle();
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/**
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* Machine-friendly name.
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*
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* @return string
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*/
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public function getName()
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{
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return substr(static::class, strpos(static::class, '_') + 1);
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}
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/**
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* Optional link to a specific view of this record.
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* Not all items are simple links, please use {@link getHTML()}
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* to represent an item in markup unless you know what you're doing.
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*
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* @return string
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*/
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public function getLink()
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{
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return null;
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}
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/**
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* @return string
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*/
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public function getMessage()
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{
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return null;
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}
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/**
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* @return DataObject
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*/
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public function getRecord()
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{
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return $this->record;
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}
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/**
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* @return int
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*/
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public function getPriority()
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{
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return $this->stat('priority');
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}
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/**
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* As items might convey different record states like a "stage" or "live" table,
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* an item can be active (showing the record in this state).
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*
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* @return boolean
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*/
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public function isActive()
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{
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return false;
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}
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/**
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* Filters items based on member permissions or other criteria,
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* such as if a state is generally available for the current record.
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*
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* @param Member $member
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* @return Boolean
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*/
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public function canView($member = null)
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{
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return true;
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}
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/**
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* Counts as "archived" if the current record is a different version from both live and draft.
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*
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* @return boolean
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*/
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public function isArchived()
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{
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if (!$this->record->hasExtension(Versioned::class)) {
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return false;
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}
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if (!isset($this->record->_cached_isArchived)) {
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$baseClass = $this->record->baseClass();
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$currentDraft = Versioned::get_by_stage($baseClass, Versioned::DRAFT)->byID($this->record->ID);
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$currentLive = Versioned::get_by_stage($baseClass, Versioned::LIVE)->byID($this->record->ID);
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$this->record->_cached_isArchived = (
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(!$currentDraft || ($currentDraft && $this->record->Version != $currentDraft->Version))
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&& (!$currentLive || ($currentLive && $this->record->Version != $currentLive->Version))
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);
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}
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return $this->record->_cached_isArchived;
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}
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}
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