Controller to Manage Batch Translation

CMSBatchAction_TransalteToController.php

<?php

/**
 * Controller to process translate pages batch action.
 *
 * @package batchactionsplus
 */
class CMSBatchAction_TransalteToController extends LeftAndMain {

    private static $url_segment = 'batchtranslateto';

    private static $menu_title = 'Translate to';

    private static $required_permission_codes = false;

    private static $allowed_actions = array (
        'TranslatePagesForm',
        'index'
    );

    /**
     * Function called by AJAX from LeftAndMain.TranslateTo.js
     * and from $this->doTranslatePages().
     *
     * @param Request $request, String $pageIDs
     * @return Form rendered within CMSDialog
     */
    public function index($request, $pageIDs = null) {
        $form = $this->TranslatePagesForm($pageIDs);
        return $this->customise(array(
            'Content' => ' ',
            'Form' => $form
        ))->renderWith('CMSDialog');
    }


    /**
     * Presents a form to select a new parent for pages selected with batch actions.
     *
     * @param string $pageIDs | null
     * @return Form $form
     */
    public function TranslatePagesForm($pageIDs = null, $locale = null){
        //Versioned::reading_stage('Stage'); // Needs this for changes to effect draft tree

        $action = FormAction::create('doTranslatePages', 'Create Translation')
            ->setUseButtonTag('true')
            ->addExtraClass('ss-ui-button ss-ui-action-constructive batch-form-actions')
            ->setUseButtonTag(true);

        $actions = FieldList::create($action);

        $allFields = new CompositeField();
        $allFields->addExtraClass('batch-form-body');

        if($locale == null){
            $locale = $this->getRequest()->getVar('Locale');
        } else{
            $allFields->push(new LiteralField("ErrorParent",'<p class="message bad">Translateable Error</p>'));
        }

        if($pageIDs == null){
            $pageIDs = $this->getRequest()->getVar('PageIDs');
        } else{
            $allFields->push(new LiteralField("ErrorParent",'<p class="message bad">Invalid parent selected, please choose another</p>'));
        }

        $allFields->push(new HiddenField("PageIDs","PageIDs", $pageIDs));
        $allFields->push(new LanguageDropdownField("Language", "Choose Translation Language"));

        $headings = new CompositeField(
            new LiteralField(
                'Heading',
                sprintf('<h3 class="">%s</h3>', _t('HtmlEditorField.MOVE', 'Create Transaltion...')))
        );

        $headings->addExtraClass('cms-content-header batch-pages');

        $fields = new FieldList(
            $headings,
            $allFields
        );

        $form = Form::create(
            $this,
            'TranslatePagesForm',
            $fields,
            $actions
        );

        return $form;
    }


    /**
     * Handles the translation of pages within the sitetree
     *
     * @param array $data, Form $form
     * @return boolean | index function
     **/
    public function doTranslatePages($data, $form){
        
        $pagesArray = explode(',', $data['PageIDs']);

        Translatable::set_current_locale($data['Locale']);

        // for each $pageID (needs to be an array)
        foreach($pagesArray as $pageID){
            $page = SiteTree::get()->byID($pageID);
            $page->createTranslation($data['Language']);
        }

        Translatable::set_current_locale($data['Language']);

        return '<input type="hidden" class="close-dialog" />';
    }
}