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NEW Add extension point to CMSMain::Breadcrumbs

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This commit is contained in:
Robbie Averill 2018-02-19 17:01:20 +13:00
parent 319a46087d
commit 9ebea37b33
2 changed files with 30 additions and 25 deletions
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5
code/Controllers/CMSMain.php
View File

@ -992,6 +992,9 @@ class CMSMain extends LeftAndMain implements CurrentPageIdentifier, PermissionPr
'Title' => CMSPagesController::menu_title(), 'Title' => CMSPagesController::menu_title(),
'Link' => ($unlinked) ? false : $this->LinkPages() 'Link' => ($unlinked) ? false : $this->LinkPages()
))); )));
$this->extend('updateBreadcrumbs', $items);
return $items; return $items;
} }
@ -1009,6 +1012,8 @@ class CMSMain extends LeftAndMain implements CurrentPageIdentifier, PermissionPr
))); )));
} }
$this->extend('updateBreadcrumbs', $items);
return $items; return $items;
} }

50
code/Controllers/CMSPagesController.php
View File

@ -4,6 +4,7 @@ namespace SilverStripe\CMS\Controllers;
use SilverStripe\CMS\Model\SiteTree; use SilverStripe\CMS\Model\SiteTree;
use SilverStripe\Control\Controller; use SilverStripe\Control\Controller;
use SilverStripe\ORM\ArrayList;
use SilverStripe\ORM\DataObject; use SilverStripe\ORM\DataObject;
use SilverStripe\View\ArrayData; use SilverStripe\View\ArrayData;
use stdClass; use stdClass;
@ -33,33 +34,32 @@ class CMSPagesController extends CMSMain
public function Breadcrumbs($unlinked = false) public function Breadcrumbs($unlinked = false)
{ {
$items = parent::Breadcrumbs($unlinked); $this->beforeExtending('updateBreadcrumbs', function (ArrayList $items) {
//special case for building the breadcrumbs when calling the listchildren Pages ListView action
if ($parentID = $this->getRequest()->getVar('ParentID')) {
$page = SiteTree::get()->byID($parentID);
//special case for building the breadcrumbs when calling the listchildren Pages ListView action //build a reversed list of the parent tree
if ($parentID = $this->getRequest()->getVar('ParentID')) { $pages = array();
$page = SiteTree::get()->byID($parentID); while ($page) {
array_unshift($pages, $page); //add to start of array so that array is in reverse order
$page = $page->Parent;
}
//build a reversed list of the parent tree //turns the title and link of the breadcrumbs into template-friendly variables
$pages = array(); $params = array_filter(array(
while ($page) { 'view' => $this->getRequest()->getVar('view'),
array_unshift($pages, $page); //add to start of array so that array is in reverse order 'q' => $this->getRequest()->getVar('q')
$page = $page->Parent; ));
foreach ($pages as $page) {
$params['ParentID'] = $page->ID;
$item = new stdClass();
$item->Title = $page->Title;
$item->Link = Controller::join_links($this->Link(), '?' . http_build_query($params));
$items->push(new ArrayData($item));
}
} }
});
//turns the title and link of the breadcrumbs into template-friendly variables return parent::Breadcrumbs($unlinked);
$params = array_filter(array(
'view' => $this->getRequest()->getVar('view'),
'q' => $this->getRequest()->getVar('q')
));
foreach ($pages as $page) {
$params['ParentID'] = $page->ID;
$item = new stdClass();
$item->Title = $page->Title;
$item->Link = Controller::join_links($this->Link(), '?' . http_build_query($params));
$items->push(new ArrayData($item));
}
}
return $items;
} }
} }