Просмотр архива Contao (бывшая TYPOlight)


<?php

/**
 * Contao Open Source CMS
 *
 * Copyright (c) 2005-2016 Leo Feyer
 *
 * @license LGPL-3.0+
 */

namespace Contao;


/**
 * Front end module "random image".
 *
 * @author Leo Feyer <https://github.com/leofeyer>
 */
class ModuleRandomImage extends Module
{

    /**
     * Files object
     * @var ModelCollection|FilesModel
     */
    protected $objFiles;

    /**
     * Template
     * @var string
     */
    protected $strTemplate = 'mod_random_image';


    /**
     * Check the source folder
     *
     * @return string
     */
    public function generate()
    {
        $this->multiSRC = deserialize($this->multiSRC);

        if (!is_array($this->multiSRC) || empty($this->multiSRC))
        {
            return '';
        }

        $this->objFiles = FilesModel::findMultipleByUuids($this->multiSRC);

        if ($this->objFiles === null)
        {
            if (!Validator::isUuid($this->multiSRC[0]))
            {
                return '<p class="error">'.$GLOBALS['TL_LANG']['ERR']['version2format'].'</p>';
            }

            return '';
        }

        return parent::generate();
    }


    /**
     * Generate the module
     */
    protected function compile()
    {
        /** @var PageModel $objPage */
        global $objPage;

        $images = array();
        $objFiles = $this->objFiles;

        // Get all images
        while ($objFiles->next())
        {
            // Continue if the files has been processed or does not exist
            if (isset($images[$objFiles->path]) || !file_exists(TL_ROOT . '/' . $objFiles->path))
            {
                continue;
            }

            // Single files
            if ($objFiles->type == 'file')
            {
                $objFile = new File($objFiles->path, true);

                if (!$objFile->isImage)
                {
                    continue;
                }

                $arrMeta = $this->getMetaData($objFiles->meta, $objPage->language);

                // Use the file name as title if none is given
                if ($arrMeta['title'] == '')
                {
                    $arrMeta['title'] = specialchars($objFile->basename);
                }

                // Add the image
                $images[$objFiles->path] = array
                (
                    'id'        => $objFiles->id,
                    'name'      => $objFile->basename,
                    'singleSRC' => $objFiles->path,
                    'alt'       => $arrMeta['title'],
                    'imageUrl'  => $arrMeta['link'],
                    'caption'   => $arrMeta['caption']
                );
            }

            // Folders
            else
            {
                $objSubfiles = FilesModel::findByPid($objFiles->uuid);

                if ($objSubfiles === null)
                {
                    continue;
                }

                while ($objSubfiles->next())
                {
                    // Skip subfolders
                    if ($objSubfiles->type == 'folder')
                    {
                        continue;
                    }

                    $objFile = new File($objSubfiles->path, true);

                    if (!$objFile->isImage)
                    {
                        continue;
                    }

                    $arrMeta = $this->getMetaData($objSubfiles->meta, $objPage->language);

                    // Use the file name as title if none is given
                    if ($arrMeta['title'] == '')
                    {
                        $arrMeta['title'] = specialchars($objFile->basename);
                    }

                    // Add the image
                    $images[$objSubfiles->path] = array
                    (
                        'id'        => $objSubfiles->id,
                        'name'      => $objFile->basename,
                        'singleSRC' => $objSubfiles->path,
                        'alt'       => $arrMeta['title'],
                        'imageUrl'  => $arrMeta['link'],
                        'caption'   => $arrMeta['caption']
                    );
                }
            }
        }

        $images = array_values($images);

        if (empty($images))
        {
            return;
        }

        $i = mt_rand(0, (count($images)-1));

        $arrImage = $images[$i];

        $arrImage['size'] = $this->imgSize;
        $arrImage['fullsize'] = $this->fullsize;

        if (!$this->useCaption)
        {
            $arrImage['caption'] = null;
        }
        elseif ($arrImage['caption'] == '')
        {
            $arrImage['caption'] = $arrImage['title'];
        }

        $this->addImageToTemplate($this->Template, $arrImage);
    }
}