McrRestoreAction.php

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<?php
class McrRestoreAction extends McrUndoAction {
 
    public function getName() {
        return 'mcrrestore';
    }
 
    public function getDescription() {
        return '';
    }
 
    protected function initFromParameters() {
        $curRev = $this->page->getRevision();
        if ( !$curRev ) {
            throw new ErrorPageError( 'mcrundofailed', 'nopagetext' );
        }
        $this->curRev = $curRev->getRevisionRecord();
        $this->cur = $this->getRequest()->getInt( 'cur', $this->curRev->getId() );
 
        $this->undo = $this->cur;
        $this->undoafter = $this->getRequest()->getInt( 'restore' );
 
        if ( $this->undo == 0 || $this->undoafter == 0 ) {
            throw new ErrorPageError( 'mcrundofailed', 'mcrundo-missingparam' );
        }
    }
 
    protected function addStatePropagationFields( HTMLForm $form ) {
        $form->addHiddenField( 'restore', $this->undoafter );
        $form->addHiddenField( 'cur', $this->curRev->getId() );
    }
 
    protected function alterForm( HTMLForm $form ) {
        parent::alterForm( $form );
 
        $form->setWrapperLegendMsg( 'confirm-mcrrestore-title' );
    }
 
}