62 lines
1.3 KiB
PHP
62 lines
1.3 KiB
PHP
<?php
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namespace SilverStripe\CMS\Forms;
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use SilverStripe\CMS\Model\SiteTree;
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use SilverStripe\Control\HTTPRequest;
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use SilverStripe\Forms\TextField;
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/**
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* Assists with selecting anchors on a given page
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*/
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class AnchorSelectorField extends TextField
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{
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protected $schemaComponent = 'AnchorSelectorField';
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private static $allowed_actions = [
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'anchors',
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];
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private static $url_handlers = [
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'anchors/$PageID' => 'anchors',
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];
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public function getSchemaDataDefaults()
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{
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$schema = parent::getSchemaDataDefaults();
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$schema['data']['endpoint'] = $this->Link('anchors/:id');
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return $schema;
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}
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/**
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* Find all anchors available on the given page.
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*
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* @param HTTPRequest $request
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* @return array
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*/
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public function anchors(HTTPRequest $request)
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{
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$id = (int)$this->getRequest()->param('PageID');
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$anchors = $this->getAnchorsInPage($id);
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return json_encode($anchors);
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}
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/**
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* Get anchors in the given page ID.
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*
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* @param int $id
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* @return array
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*/
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protected function getAnchorsInPage($id)
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{
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$page = SiteTree::get()->byID($id);
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if (!$page || !$page->canView()) {
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return [];
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}
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return $page->getAnchorsOnPage();
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}
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}
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