248 lines
7.7 KiB
PHP
248 lines
7.7 KiB
PHP
<?php
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/**
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* @file
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* Theme functions used for normal file output.
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*
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* Uses content.module to store the fid and field specific metadata,
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* and Drupal's {files} table to store the actual file data.
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*/
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/**
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* Return an image with an appropriate icon for the given file.
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*
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* @param $file
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* A file object for which to make an icon.
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*/
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function theme_filefield_icon($file) {
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if (is_object($file)) {
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$file = (array) $file;
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}
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$mime = check_plain($file['filemime']);
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$dashed_mime = strtr($mime, array('/' => '-', '+' => '-', '.' => '-'));
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if ($icon_url = filefield_icon_url($file)) {
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return '<img class="filefield-icon field-icon-'. $dashed_mime .'" alt="'. t('@mime icon', array('@mime' => $mime)) .'" src="'. $icon_url .'" />';
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}
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}
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/**
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* Given a file object, create a URL to a matching icon.
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*
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* @param $file
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* A file object.
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* @param $theme
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* Optional. The theme to be used for the icon. Defaults to the value of
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* the "filefield_icon_theme" variable.
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* @return
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* A URL string to the icon, or FALSE if an appropriate icon could not be
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* found.
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*/
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function _filefield_icon_url($file, $theme = NULL) {
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global $base_url;
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if ($icon_path = _filefield_icon_path($file, $theme)) {
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return $base_url .'/'. $icon_path;
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}
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return FALSE;
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}
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/**
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* Given a file object, create a URL to a matching icon.
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*
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* @param $file
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* A file object.
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* @param $theme
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* Optional. The theme to be used for the icon. Defaults to the value of
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* the "filefield_icon_theme" variable.
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* @return
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* A string to the icon as a local path, or FALSE if an appropriate icon could
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* not be found.
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*/
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function _filefield_icon_path($file, $theme = NULL) {
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if (!isset($theme)) {
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$theme = variable_get('filefield_icon_theme', 'default');
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}
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// If there's an icon matching the exact mimetype, go for it.
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$dashed_mime = strtr($file['filemime'], array('/' => '-'));
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if ($icon_path = _filefield_create_icon_path($dashed_mime, $theme)) {
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return $icon_path;
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}
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// For a couple of mimetypes, we can "manually" tell a generic icon.
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if ($generic_name = _filefield_generic_icon_map($file)) {
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if ($icon_path = _filefield_create_icon_path($generic_name, $theme)) {
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return $icon_path;
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}
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}
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// Use generic icons for each category that provides such icons.
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foreach (array('audio', 'image', 'text', 'video') as $category) {
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if (strpos($file['filemime'], $category .'/') === 0) {
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if ($icon_path = _filefield_create_icon_path($category .'-x-generic', $theme)) {
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return $icon_path;
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}
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}
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}
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// Try application-octet-stream as last fallback.
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if ($icon_path = _filefield_create_icon_path('application-octet-stream', $theme)) {
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return $icon_path;
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}
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// Sorry, no icon can be found...
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return FALSE;
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}
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/**
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* Internal function to convert a file icon theme name to a directory.
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*/
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function _filefield_icon_directory($theme = NULL) {
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static $sets;
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if (!isset($sets)) {
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$sets = module_invoke_all('filefield_icon_sets');
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drupal_alter('filefield_icon_sets', $sets);
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}
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if (!isset($theme) || !isset($sets[$theme])) {
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$theme = 'default';
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}
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return $sets[$theme];
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}
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function _filefield_create_icon_path($icon_name, $theme = NULL) {
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$icons_directory = _filefield_icon_directory($theme);
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$icon_path = $icons_directory .'/'. $icon_name .'.png';
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if (file_exists($icon_path)) {
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return $icon_path;
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}
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return FALSE;
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}
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function _filefield_generic_icon_map($file) {
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switch ($file['filemime']) {
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// Word document types.
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case 'application/msword':
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case 'application/vnd.ms-word.document.macroEnabled.12':
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case 'application/vnd.oasis.opendocument.text':
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case 'application/vnd.oasis.opendocument.text-template':
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case 'application/vnd.oasis.opendocument.text-master':
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case 'application/vnd.oasis.opendocument.text-web':
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case 'application/vnd.openxmlformats-officedocument.wordprocessingml.document':
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case 'application/vnd.stardivision.writer':
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case 'application/vnd.sun.xml.writer':
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case 'application/vnd.sun.xml.writer.template':
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case 'application/vnd.sun.xml.writer.global':
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case 'application/vnd.wordperfect':
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case 'application/x-abiword':
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case 'application/x-applix-word':
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case 'application/x-kword':
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case 'application/x-kword-crypt':
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return 'x-office-document';
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// Spreadsheet document types.
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case 'application/vnd.ms-excel':
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case 'application/vnd.ms-excel.sheet.macroEnabled.12':
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case 'application/vnd.oasis.opendocument.spreadsheet':
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case 'application/vnd.oasis.opendocument.spreadsheet-template':
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case 'application/vnd.openxmlformats-officedocument.spreadsheetml.sheet':
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case 'application/vnd.stardivision.calc':
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case 'application/vnd.sun.xml.calc':
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case 'application/vnd.sun.xml.calc.template':
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case 'application/vnd.lotus-1-2-3':
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case 'application/x-applix-spreadsheet':
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case 'application/x-gnumeric':
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case 'application/x-kspread':
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case 'application/x-kspread-crypt':
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return 'x-office-spreadsheet';
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// Presentation document types.
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case 'application/vnd.ms-powerpoint':
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case 'application/vnd.ms-powerpoint.presentation.macroEnabled.12':
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case 'application/vnd.oasis.opendocument.presentation':
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case 'application/vnd.oasis.opendocument.presentation-template':
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case 'application/vnd.openxmlformats-officedocument.presentationml.presentation':
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case 'application/vnd.openxmlformats-officedocument.presentationml.slideshow':
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case 'application/vnd.stardivision.impress':
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case 'application/vnd.sun.xml.impress':
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case 'application/vnd.sun.xml.impress.template':
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case 'application/x-kpresenter':
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return 'x-office-presentation';
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// Compressed archive types.
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case 'application/zip':
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case 'application/x-zip':
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case 'application/stuffit':
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case 'application/x-stuffit':
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case 'application/x-7z-compressed':
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case 'application/x-ace':
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case 'application/x-arj':
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case 'application/x-bzip':
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case 'application/x-bzip-compressed-tar':
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case 'application/x-compress':
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case 'application/x-compressed-tar':
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case 'application/x-cpio-compressed':
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case 'application/x-deb':
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case 'application/x-gzip':
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case 'application/x-java-archive':
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case 'application/x-lha':
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case 'application/x-lhz':
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case 'application/x-lzop':
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case 'application/x-rar':
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case 'application/x-rpm':
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case 'application/x-tzo':
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case 'application/x-tar':
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case 'application/x-tarz':
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case 'application/x-tgz':
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return 'package-x-generic';
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// Script file types.
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case 'application/ecmascript':
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case 'application/javascript':
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case 'application/mathematica':
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case 'application/vnd.mozilla.xul+xml':
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case 'application/x-asp':
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case 'application/x-awk':
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case 'application/x-cgi':
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case 'application/x-csh':
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case 'application/x-m4':
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case 'application/x-perl':
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case 'application/x-php':
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case 'application/x-ruby':
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case 'application/x-shellscript':
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case 'text/vnd.wap.wmlscript':
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case 'text/x-emacs-lisp':
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case 'text/x-haskell':
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case 'text/x-literate-haskell':
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case 'text/x-lua':
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case 'text/x-makefile':
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case 'text/x-matlab':
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case 'text/x-python':
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case 'text/x-sql':
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case 'text/x-tcl':
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return 'text-x-script';
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// HTML aliases.
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case 'application/xhtml+xml':
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return 'text-html';
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// RTF files.
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case 'application/rtf':
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return 'text-rtf';
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// Google earth files.
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case 'application/vnd.google-earth.kml+xml':
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case 'application/vnd.google-earth.kmz':
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return 'application-google-earth';
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// Executable types.
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case 'application/x-macbinary':
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case 'application/x-ms-dos-executable':
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case 'application/x-pef-executable':
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return 'application-x-executable';
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default:
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return FALSE;
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}
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}
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