285 lines
8.6 KiB
PHP
285 lines
8.6 KiB
PHP
<?php
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namespace Kitodo\Dlf\Plugins;
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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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* Plugin 'Page Grid' for the 'dlf' extension.
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*
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* @author Henrik Lochmann <dev@mentalmotive.com>
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* @author Sebastian Meyer <sebastian.meyer@slub-dresden.de>
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* @package TYPO3
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* @subpackage dlf
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* @access public
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*/
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class PageGrid extends \Kitodo\Dlf\Common\AbstractPlugin {
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public $scriptRelPath = 'Classes/Plugins/PageGrid.php';
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/**
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* Renders entry for one page of the current document.
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*
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* @access protected
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*
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* @param integer $number: The page to render
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* @param string $template: Parsed template subpart
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*
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* @return string The rendered entry ready for output
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*/
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protected function getEntry($number, $template) {
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// Set current page if applicable.
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if (!empty($this->piVars['page']) && $this->piVars['page'] == $number) {
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$markerArray['###STATE###'] = 'cur';
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} else {
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$markerArray['###STATE###'] = 'no';
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}
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// Set page number.
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$markerArray['###NUMBER###'] = $number;
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// Set pagination.
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$markerArray['###PAGINATION###'] = htmlspecialchars($this->doc->physicalStructureInfo[$this->doc->physicalStructure[$number]]['orderlabel']);
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// Get thumbnail or placeholder.
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if (!empty($this->doc->physicalStructureInfo[$this->doc->physicalStructure[$number]]['files'][$this->conf['fileGrpThumbs']])) {
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$thumbnailFile = $this->doc->getFileLocation($this->doc->physicalStructureInfo[$this->doc->physicalStructure[$number]]['files'][$this->conf['fileGrpThumbs']]);
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} elseif (!empty($this->conf['placeholder'])) {
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$thumbnailFile = $GLOBALS['TSFE']->tmpl->getFileName($this->conf['placeholder']);
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} else {
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$thumbnailFile = \TYPO3\CMS\Core\Utility\ExtensionManagementUtility::siteRelPath($this->extKey).'Resources/Public/Images/PageGridPlaceholder.jpg';
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}
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$thumbnail = '<img alt="'.$markerArray['###PAGINATION###'].'" src="'.$thumbnailFile.'" />';
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// Get new plugin variables for typolink.
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$piVars = $this->piVars;
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// Unset no longer needed plugin variables.
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// unset($piVars['pagegrid']) is for DFG Viewer compatibility!
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unset($piVars['pointer'], $piVars['DATA'], $piVars['pagegrid']);
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$piVars['page'] = $number;
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$linkConf = array (
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'useCacheHash' => 1,
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'parameter' => $this->conf['targetPid'],
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'additionalParams' => \TYPO3\CMS\Core\Utility\GeneralUtility::implodeArrayForUrl($this->prefixId, $piVars, '', TRUE, FALSE),
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'title' => $markerArray['###PAGINATION###']
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);
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$markerArray['###THUMBNAIL###'] = $this->cObj->typoLink($thumbnail, $linkConf);
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return $this->cObj->substituteMarkerArray($template, $markerArray);
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}
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/**
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* Renders the page browser
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*
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* @access protected
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*
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* @return string The rendered page browser ready for output
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*/
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protected function getPageBrowser() {
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// Get overall number of pages.
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$maxPages = intval(ceil($this->doc->numPages / $this->conf['limit']));
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// Return empty pagebrowser if there is just one page.
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if ($maxPages < 2) {
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return '';
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}
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// Get separator.
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$separator = $this->pi_getLL('separator', ' - ', TRUE);
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// Add link to previous page.
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if ($this->piVars['pointer'] > 0) {
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$output = $this->pi_linkTP_keepPIvars($this->pi_getLL('prevPage', '<', TRUE), array ('pointer' => $this->piVars['pointer'] - 1, 'page' => (($this->piVars['pointer'] - 1) * $this->conf['limit']) + 1), TRUE).$separator;
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} else {
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$output = $this->pi_getLL('prevPage', '<', TRUE).$separator;
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}
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$i = 0;
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// Add links to pages.
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while ($i < $maxPages) {
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if ($i < 3 || ($i > $this->piVars['pointer'] - 3 && $i < $this->piVars['pointer'] + 3) || $i > $maxPages - 4) {
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if ($this->piVars['pointer'] != $i) {
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$output .= $this->pi_linkTP_keepPIvars(sprintf($this->pi_getLL('page', '%d', TRUE), $i + 1), array ('pointer' => $i, 'page' => ($i * $this->conf['limit']) + 1), TRUE).$separator;
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} else {
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$output .= sprintf($this->pi_getLL('page', '%d', TRUE), $i + 1).$separator;
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}
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$skip = TRUE;
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} elseif ($skip == TRUE) {
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$output .= $this->pi_getLL('skip', '...', TRUE).$separator;
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$skip = FALSE;
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}
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$i++;
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}
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// Add link to next page.
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if ($this->piVars['pointer'] < $maxPages - 1) {
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$output .= $this->pi_linkTP_keepPIvars($this->pi_getLL('nextPage', '>', TRUE), array ('pointer' => $this->piVars['pointer'] + 1, 'page' => ($this->piVars['pointer'] + 1) * $this->conf['limit'] + 1), TRUE);
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} else {
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$output .= $this->pi_getLL('nextPage', '>', TRUE);
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}
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return $output;
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}
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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($conf);
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$this->loadDocument();
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if ($this->doc === NULL || $this->doc->numPages < 1 || empty($this->conf['fileGrpThumbs'])) {
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// Quit without doing anything if required variables are not set.
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return $content;
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} else {
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// Set default values for page if not set.
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$this->piVars['pointer'] = \TYPO3\CMS\Core\Utility\MathUtility::forceIntegerInRange($this->piVars['pointer'], 0, $this->doc->numPages, 0);
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}
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// Load template file.
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$this->getTemplate();
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$entryTemplate = $this->cObj->getSubpart($this->template, '###ENTRY###');
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if (empty($entryTemplate)) {
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if (TYPO3_DLOG) {
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\TYPO3\CMS\Core\Utility\GeneralUtility::devLog('[\Kitodo\Dlf\Plugins\PageGrid->main('.$content.', [data])] No template subpart for list entry found', $this->extKey, SYSLOG_SEVERITY_WARNING, $conf);
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}
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// Quit without doing anything if required variables are not set.
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return $content;
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}
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if (!empty($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
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unset($this->piVars['logicalPage']);
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}
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// Set some variable defaults.
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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'], $this->doc->physicalStructure);
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}
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if (!empty($this->piVars['page'])) {
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$this->piVars['pointer'] = intval(floor(($this->piVars['page'] - 1) / $this->conf['limit']));
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}
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if (!empty($this->piVars['pointer']) && (($this->piVars['pointer'] * $this->conf['limit']) + 1) <= $this->doc->numPages) {
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$this->piVars['pointer'] = max(intval($this->piVars['pointer']), 0);
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} else {
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$this->piVars['pointer'] = 0;
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}
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// Iterate through visible page set and display thumbnails.
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for ($i = $this->piVars['pointer'] * $this->conf['limit'], $j = ($this->piVars['pointer'] + 1) * $this->conf['limit']; $i < $j; $i++) {
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// +1 because page counting starts at 1.
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$number = $i + 1;
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if ($number > $this->doc->numPages) {
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break;
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} else {
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$content .= $this->getEntry($number, $entryTemplate);
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}
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}
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// Render page browser.
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$markerArray['###PAGEBROWSER###'] = $this->getPageBrowser();
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// Merge everything with template.
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$content = $this->cObj->substituteMarkerArray($this->cObj->substituteSubpart($this->template, '###ENTRY###', $content, TRUE), $markerArray);
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return $this->pi_wrapInBaseClass($content);
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}
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}
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