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lib-filelib MDL-19707 Added file_extension_icon() and file_mimetype_icon()

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After talking with Tim we decided that this would be a better solution than adding more methods to $OUTPUT
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samhemelryk
2009-07-07 03:56:15 +00:00
parent 641e6ecd58
commit 9dffa7af76
1 changed files with 75 additions and 0 deletions
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lib/filelib.php
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@@ -1130,6 +1130,81 @@ function mimeinfo_from_icon($element, $icon, $all=false) {
return array_pop($info); // Return last match (mimicking behaviour/comment inside foreach loop)
}
/**
* Returns the relative icon path for a given mime type
*
* This function should be used in conjuction with $OUTPUT->old_icon_url to produce
* a return the full path to an icon.
*
* <code>
* $mimetype = 'image/jpg';
* $icon = $OUTPUT->old_icon_url(file_mimetype_icon($mimetype));
* echo '<img src="'.$icon.'" alt="'.$mimetype.'" />';
* </code>
*
* @todo When an $OUTPUT->icon method is available this function should be altered
* to conform with that.
*
* @param string $mimetype The mimetype to fetch an icon for
* @param int $size The size of the icon. Not yet implemented
* @return string The relative path to the icon
*/
function file_mimetype_icon($mimetype, $size=null) {
$icon = mimeinfo_from_type('icon', $mimetype);
$icon = substr($icon, 0, strrpos($icon, '.'));
if ($size!=null && is_int($size)) {
$icon .= '-'.$size;
}
return 'f/'.$icon;
}
/**
* Returns the relative icon path for a given file extension
*
* This function should be used in conjuction with $OUTPUT->old_icon_url to produce
* a return the full path to an icon.
*
* The extension that you should pass should be just the extension, not the whole filename.
* A preceeding . is tolerated.
*
* <code>
* $extension = 'jpg';
* $icon = $OUTPUT->old_icon_url(file_extension_icon($extension));
* echo '<img src="'.$icon.'" alt="'.$extension.'" />';
* </code>
*
* @todo When an $OUTPUT->icon method is available this function should be altered
* to conform with that.
* @todo Implement $size
*
* @param string $extension The extension of the file to get an icon for
* @param int $size The size of the icon. Not yet implemented
* @return string
*/
function file_extension_icon($extension, $size=null) {
// Get rid of any preceeding .
$extension = trim($extension, '. ');
$mimeinfo = get_mimetypes_array();
foreach ($mimeinfo as $ext=>$mime) {
// Check each till we find an exact match for extension
if ($ext === $extension) {
$icon = $mime['icon'];
$icon = substr($icon, 0, strrpos($icon, '.'));
if ($size!=null && is_int($size)) {
$icon .= '-'.$size;
}
return 'f/'.$icon;
}
}
// Didn't find a match return the default
$icon = $mimeinfo['xxx']['icon'];
$icon = substr($icon, 0, strrpos($icon, '.'));
if ($size!=null && is_int($size)) {
$icon .= '-'.$size;
}
return 'f/'.$icon;
}
/**
* Obtains descriptions for file types (e.g. 'Microsoft Word document') from the
* mimetypes.php language file.