mirror of
https://github.com/silverstripe/silverstripe-cms
synced 2024-10-22 08:05:56 +02:00
a87a857a6e
Remove @package / @subpackage Fix inifinite loop in VirtualPage_Controller
137 lines
3.5 KiB
PHP
137 lines
3.5 KiB
PHP
<?php
|
|
|
|
namespace SilverStripe\CMS\Model;
|
|
|
|
use SilverStripe\Assets\File;
|
|
use SilverStripe\Core\Convert;
|
|
use SilverStripe\Forms\FieldList;
|
|
use SilverStripe\Forms\ReadonlyField;
|
|
use SilverStripe\ORM\DataExtension;
|
|
use SilverStripe\ORM\DataObject;
|
|
use SilverStripe\ORM\ManyManyList;
|
|
use SilverStripe\ORM\Versioning\Versioned;
|
|
use Subsite;
|
|
|
|
/**
|
|
* Extension applied to {@see File} object to track links to {@see SiteTree} records.
|
|
*
|
|
* {@see SiteTreeLinkTracking} for the extension applied to {@see SiteTree}
|
|
*
|
|
* Note that since both SiteTree and File are versioned, LinkTracking and ImageTracking will
|
|
* only be enabled for the Stage record.
|
|
*
|
|
* @property File $owner
|
|
*/
|
|
class SiteTreeFileExtension extends DataExtension {
|
|
|
|
private static $belongs_many_many = array(
|
|
'BackLinkTracking' => 'SilverStripe\\CMS\\Model\\SiteTree.ImageTracking' // {@see SiteTreeLinkTracking}
|
|
);
|
|
|
|
/**
|
|
* Images tracked by pages are owned by those pages
|
|
*
|
|
* @config
|
|
* @var array
|
|
*/
|
|
private static $owned_by = array(
|
|
'BackLinkTracking'
|
|
);
|
|
|
|
public function updateCMSFields(FieldList $fields) {
|
|
$fields->insertAfter(
|
|
'LastEdited',
|
|
ReadonlyField::create(
|
|
'BackLinkCount',
|
|
_t('AssetTableField.BACKLINKCOUNT', 'Used on:'),
|
|
$this->BackLinkTracking()->count() . ' ' . _t('AssetTableField.PAGES', 'page(s)')
|
|
)
|
|
->addExtraClass('cms-description-toggle')
|
|
->setDescription($this->BackLinkHTMLList())
|
|
);
|
|
}
|
|
|
|
/**
|
|
* Generate an HTML list which provides links to where a file is used.
|
|
*
|
|
* @return string
|
|
*/
|
|
public function BackLinkHTMLList() {
|
|
$html = '<em>' . _t(
|
|
'SiteTreeFileExtension.BACKLINK_LIST_DESCRIPTION',
|
|
'This list shows all pages where the file has been added through a WYSIWYG editor.'
|
|
) . '</em>';
|
|
|
|
$html .= '<ul>';
|
|
foreach ($this->BackLinkTracking() as $backLink) {
|
|
// Add the page link and CMS link
|
|
$html .= sprintf(
|
|
'<li><a href="%s" target="_blank">%s</a> – <a href="%s">%s</a></li>',
|
|
Convert::raw2att($backLink->Link()),
|
|
Convert::raw2xml($backLink->MenuTitle),
|
|
Convert::raw2att($backLink->CMSEditLink()),
|
|
_t('SiteTreeFileExtension.EDIT', 'Edit')
|
|
);
|
|
}
|
|
$html .= '</ul>';
|
|
|
|
return $html;
|
|
}
|
|
|
|
/**
|
|
* Extend through {@link updateBackLinkTracking()} in your own {@link Extension}.
|
|
*
|
|
* @return ManyManyList
|
|
*/
|
|
public function BackLinkTracking() {
|
|
if(class_exists("Subsite")){
|
|
$rememberSubsiteFilter = Subsite::$disable_subsite_filter;
|
|
Subsite::disable_subsite_filter(true);
|
|
}
|
|
|
|
$links = $this->owner->getManyManyComponents('BackLinkTracking');
|
|
$this->owner->extend('updateBackLinkTracking', $links);
|
|
|
|
if(class_exists("Subsite")){
|
|
Subsite::disable_subsite_filter($rememberSubsiteFilter);
|
|
}
|
|
|
|
return $links;
|
|
}
|
|
|
|
/**
|
|
* @todo Unnecessary shortcut for AssetTableField, coupled with cms module.
|
|
*
|
|
* @return int
|
|
*/
|
|
public function BackLinkTrackingCount() {
|
|
$pages = $this->owner->BackLinkTracking();
|
|
if($pages) {
|
|
return $pages->count();
|
|
} else {
|
|
return 0;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Updates link tracking in the current stage.
|
|
*/
|
|
public function onAfterDelete() {
|
|
// Skip live stage
|
|
if(Versioned::get_stage() === Versioned::LIVE) {
|
|
return;
|
|
}
|
|
|
|
// We query the explicit ID list, because BackLinkTracking will get modified after the stage
|
|
// site does its thing
|
|
$brokenPageIDs = $this->owner->BackLinkTracking()->column("ID");
|
|
if($brokenPageIDs) {
|
|
// This will syncLinkTracking on the same stage as this file
|
|
$brokenPages = DataObject::get('SilverStripe\\CMS\\Model\\SiteTree')->byIDs($brokenPageIDs);
|
|
foreach($brokenPages as $brokenPage) {
|
|
$brokenPage->write();
|
|
}
|
|
}
|
|
}
|
|
}
|