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- <?php
- /**
- * @file
- * Generate a EPUB for the print_epub module using the PHPePub library.
- *
- * @ingroup print
- */
- /**
- * Implements hook_requirements().
- */
- function print_epub_phpepub_requirements($phase) {
- $requirements = array();
- $t = get_t();
- switch ($phase) {
- // At runtime, make sure that a EPUB generation tool is selected
- case 'runtime':
- $print_epub_epub_tool = variable_get('print_epub_epub_tool', PRINT_EPUB_EPUB_TOOL_DEFAULT);
- if (!empty($print_epub_epub_tool)) {
- $tool = explode('|', $print_epub_epub_tool);
- if (is_file($tool[1]) && is_readable($tool[1])) {
- if (basename($tool[1]) == 'EPub.php') {
- $version = _print_epub_phpepub_version($tool[1]);
- $requirements['print_epub_tool_version'] = array(
- 'title' => $t('Printer, email and EPUB versions - EPUB generation library'),
- 'value' => $t('PHPePub') . ' ' . $version,
- );
- }
- }
- }
- break;
- }
- return $requirements;
- }
- /**
- * Find out the version of the PHPePub library
- *
- * @param string $epub_tool
- * Filename of the tool to be analysed.
- *
- * @return string
- * version number of the library
- */
- function _print_epub_phpepub_version($epub_tool) {
- require_once(DRUPAL_ROOT . '/' . $epub_tool);
- return EPub::VERSION;
- }
- /**
- * Implements hook_print_epub_available_libs_alter().
- */
- function print_epub_phpepub_print_epub_available_libs_alter(&$epub_tools) {
- module_load_include('inc', 'print', 'includes/print');
- $tools = _print_scan_libs('phpepub', '!^EPub.php$!');
- foreach ($tools as $tool) {
- $epub_tools['print_epub_phpepub|' . $tool] = 'PHPePub (' . dirname($tool) . ')';
- }
- }
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