silverstripe-cms/code/Controllers/SilverStripeNavigatorItem_LiveLink.php

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<?php
namespace SilverStripe\CMS\Controllers;
use SilverStripe\CMS\Model\RedirectorPage;
use SilverStripe\Control\Controller;
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use SilverStripe\Core\Convert;
use SilverStripe\Versioned\Versioned;
class SilverStripeNavigatorItem_LiveLink extends SilverStripeNavigatorItem
{
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/** @config */
private static $priority = 30;
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public function getHTML()
{
$livePage = $this->getLivePage();
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if (!$livePage) {
return null;
}
$linkClass = $this->isActive() ? 'class="current" ' : '';
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$linkTitle = _t('SilverStripe\\CMS\\Controllers\\ContentController.PUBLISHEDSITE', 'Published Site');
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$recordLink = Convert::raw2att(Controller::join_links($livePage->AbsoluteLink(), "?stage=Live"));
return "<a {$linkClass} href=\"$recordLink\">$linkTitle</a>";
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}
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public function getTitle()
{
return _t(
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'SilverStripe\\CMS\\Controllers\\ContentController.PUBLISHED',
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'Published',
'Used for the Switch between draft and published view mode. Needs to be a short label'
);
}
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public function getMessage()
{
return "<div id=\"SilverStripeNavigatorMessage\" title=\"" . _t(
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'SilverStripe\\CMS\\Controllers\\ContentController.NOTEWONTBESHOWN',
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'Note: this message will not be shown to your visitors'
) . "\">" . _t(
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'SilverStripe\\CMS\\Controllers\\ContentController.PUBLISHEDSITE',
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'Published Site'
) . "</div>";
}
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public function getLink()
{
return Controller::join_links($this->record->PreviewLink(), '?stage=Live');
}
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public function canView($member = null)
{
return (
$this->record->hasExtension(Versioned::class)
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&& $this->getLivePage()
// Don't follow redirects in preview, they break the CMS editing form
&& !($this->record instanceof RedirectorPage)
);
}
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public function isActive()
{
return (
(!Versioned::get_stage() || Versioned::get_stage() == 'Live')
&& !$this->isArchived()
);
}
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protected function getLivePage()
{
$baseClass = $this->record->baseClass();
return Versioned::get_by_stage($baseClass, Versioned::LIVE)->byID($this->record->ID);
}
}