159 lines
5.3 KiB
PHP
159 lines
5.3 KiB
PHP
<?php
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/**
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* (c) Kitodo. Key to digital objects e.V. <contact@kitodo.org>
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*
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* This file is part of the Kitodo and TYPO3 projects.
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*
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* @license GNU General Public License version 3 or later.
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* For the full copyright and license information, please read the
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* LICENSE.txt file that was distributed with this source code.
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*/
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/**
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* Tool 'Image Download' for the plugin 'DLF: Toolbox' of the 'dlf' extension.
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*
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* @author Alexander Bigga <alexander.bigga@slub-dresden.de>
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* @package TYPO3
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* @subpackage tx_dlf
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* @access public
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*/
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class tx_dlf_toolsImagedownload extends tx_dlf_plugin {
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public $scriptRelPath = 'plugins/toolbox/tools/imagedownload/class.tx_dlf_toolsImagedownload.php';
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/**
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* The main method of the PlugIn
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*
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* @access public
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*
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* @param string $content: The PlugIn content
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* @param array $conf: The PlugIn configuration
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*
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* @return string The content that is displayed on the website
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*/
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public function main($content, $conf) {
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$this->init($conf);
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// Merge configuration with conf array of toolbox.
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$this->conf = tx_dlf_helper::array_merge_recursive_overrule($this->cObj->data['conf'], $this->conf);
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// Load current document.
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$this->loadDocument();
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if ($this->doc === NULL || $this->doc->numPages < 1 || empty($this->conf['fileGrpsImageDownload'])) {
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// Quit without doing anything if required variables are not set.
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return $content;
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} else {
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if (!empty($this->piVars['logicalPage'])) {
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$this->piVars['page'] = $this->doc->getPhysicalPage($this->piVars['logicalPage']);
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// The logical page parameter should not appear again
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unset($this->piVars['logicalPage']);
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}
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// Set default values if not set.
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// $this->piVars['page'] may be integer or string (physical structure @ID)
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if ((int) $this->piVars['page'] > 0 || empty($this->piVars['page'])) {
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$this->piVars['page'] = \TYPO3\CMS\Core\Utility\MathUtility::forceIntegerInRange((int) $this->piVars['page'], 1, $this->doc->numPages, 1);
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} else {
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$this->piVars['page'] = array_search($this->piVars['page'], $this->doc->physicalStructure);
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}
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$this->piVars['double'] = \TYPO3\CMS\Core\Utility\MathUtility::forceIntegerInRange($this->piVars['double'], 0, 1, 0);
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}
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// Load template file.
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if (!empty($this->conf['toolTemplateFile'])) {
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$this->template = $this->cObj->getSubpart($this->cObj->fileResource($this->conf['toolTemplateFile']), '###TEMPLATE###');
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} else {
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$this->template = $this->cObj->getSubpart($this->cObj->fileResource('EXT:dlf/plugins/toolbox/tools/imagedownload/template.tmpl'), '###TEMPLATE###');
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}
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// Get left or single page download.
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$markerArray['###IMAGE_LEFT###'] = $this->piVars['double'] == 1 ? $this->getImage($this->piVars['page'], $this->pi_getLL('leftPage', '')) : $this->getImage($this->piVars['page'], $this->pi_getLL('singlePage', ''));
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// Get right page download.
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$markerArray['###IMAGE_RIGHT###'] = $this->piVars['double'] == 1 ? $this->getImage($this->piVars['page'] + 1, $this->pi_getLL('rightPage', '')) : '';
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$content .= $this->cObj->substituteMarkerArray($this->template, $markerArray);
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return $this->pi_wrapInBaseClass($content);
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}
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/**
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* Get image's URL and MIME type
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*
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* @access protected
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*
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* @param integer $page: Page number
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* @param string $label: Link title and label
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*
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* @return string linkt to image file with given label
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*/
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protected function getImage($page, $label) {
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$image = array ();
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// Get @USE value of METS fileGrp.
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$fileGrps = \TYPO3\CMS\Core\Utility\GeneralUtility::trimExplode(',', $this->conf['fileGrpsImageDownload']);
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while ($fileGrp = @array_pop($fileGrps)) {
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// Get image link.
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if (!empty($this->doc->physicalStructureInfo[$this->doc->physicalStructure[$page]]['files'][$fileGrp])) {
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$image['url'] = $this->doc->getFileLocation($this->doc->physicalStructureInfo[$this->doc->physicalStructure[$page]]['files'][$fileGrp]);
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$image['mimetype'] = $this->doc->getFileMimeType($this->doc->physicalStructureInfo[$this->doc->physicalStructure[$page]]['files'][$fileGrp]);
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switch ($image['mimetype']) {
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case 'image/jpeg': $mimetypeLabel = '(JPG)';
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break;
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case 'image/tiff': $mimetypeLabel = '(TIFF)';
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break;
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default: $mimetypeLabel = '';
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}
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$linkConf = array (
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'parameter' => $image['url'],
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'title' => $label.' '.$mimetypeLabel,
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'additionalParams' => '',
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);
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$imageLink = $this->cObj->typoLink($label.' '.$mimetypeLabel, $linkConf);
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break;
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} else {
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if (TYPO3_DLOG) {
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\TYPO3\CMS\Core\Utility\GeneralUtility::devLog('[tx_dlf_toolsImagedownload->getImage('.$page.')] File not found in fileGrp "'.$fileGrp.'"', $this->extKey, SYSLOG_SEVERITY_WARNING);
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}
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}
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}
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return $imageLink;
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}
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}
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