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<?php |
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namespace SilverStripe\VersionedAdmin\Controllers; |
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use SilverStripe\CMS\Controllers\CMSMain; |
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use SilverStripe\Forms\FieldList; |
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use SilverStripe\Forms\Form; |
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use SilverStripe\Forms\HiddenField; |
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use SilverStripe\ORM\DataObject; |
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use SilverStripe\VersionedAdmin\Forms\HistoryViewerField; |
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if (!class_exists(CMSMain::class)) { |
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return; |
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} |
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/** |
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* The history viewer controller replaces the {@link CMSPageHistoryController} and uses the React based |
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* {@link HistoryViewerField} to display the history for a {@link DataObject} that has the {@link Versioned} |
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* extension. |
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*/ |
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class CMSPageHistoryViewerController extends CMSMain |
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{ |
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private static $url_segment = 'pages/history'; |
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private static $url_rule = '/$Action/$ID/$VersionID/$OtherVersionID'; |
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/** |
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* {@inheritDoc} |
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* |
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* This is one higher than CMSPageHistoryController to give it priority |
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*/ |
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private static $url_priority = 43; |
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private static $required_permission_codes = 'CMS_ACCESS_CMSMain'; |
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public function getEditForm($id = null, $fields = null) |
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{ |
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/** @var DataObject $record */ |
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$record = $this->getRecord($id ?: $this->currentPageID()); |
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/** @var Form $form */ |
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$form = parent::getEditForm($id); |
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$form->addExtraClass('history-viewer__form'); |
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// Disable default CMS preview |
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$form->removeExtraClass('cms-previewable'); |
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if ($record) { |
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$fieldList = FieldList::create( |
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HiddenField::create('ID', null, $record->ID), |
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HistoryViewerField::create('PageHistory') |
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->addExtraClass('history-viewer--standalone') |
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->setForm($form) |
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); |
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$form->setFields($fieldList); |
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} |
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return $form; |
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} |
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public function getTabIdentifier() |
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{ |
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return 'history'; |
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} |
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} |
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silverstripe /
silverstripe-versioned-admin
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