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ENHANCEMENT: Macrons, umlauts, etc, are now transliterated when inserted into URLS. API CHANGE: Added Transliterator class, which uses iconv() or strtr() to convert characters with diacritical marks to their ASCII equivalents. API CHANGE: Added Extension hook updateURLSegment for SiteeTree.

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git-svn-id: svn://svn.silverstripe.com/silverstripe/open/modules/sapphire/branches/2.4@104671 467b73ca-7a2a-4603-9d3b-597d59a354a9
This commit is contained in:
Sam Minnee 2010-05-12 05:28:12 +00:00
parent 22e310dacd
commit 9e56293931
3 changed files with 73 additions and 11 deletions
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16
core/model/SiteTree.php
View File

@ -1496,11 +1496,18 @@ class SiteTree extends DataObject implements PermissionProvider,i18nEntityProvid
/**
* Generate a URL segment based on the title provided.
*
* If {@link Extension}s wish to alter URL segment generation, they can do so by defining
* updateURLSegment(&$url, $title). $url will be passed by reference and should be modified.
* $title will contain the title that was originally used as the source of this generated URL.
* This lets decorators either start from scratch, or incrementally modify the generated URL.
*
* @param string $title Page title.
* @return string Generated url segment
*/
function generateURLSegment($title){
$t = strtolower($title);
$t = mb_strtolower($title);
$t = Object::create('Transliterator')->toASCII($title);
$t = str_replace('&','-and-',$t);
$t = str_replace('&','-and-',$t);
$t = ereg_replace('[^A-Za-z0-9]+','-',$t);
@ -1508,7 +1515,12 @@ class SiteTree extends DataObject implements PermissionProvider,i18nEntityProvid
if(!$t || $t == '-' || $t == '-1') {
$t = "page-$this->ID";
}
return trim($t, '-');
$t = trim($t, '-');
// Hook for decorators
$this->extend('updateURLSegment', $t, $title);
return $t;
}
/**

56
core/model/Transliterator.php Normal file
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@ -0,0 +1,56 @@
<?php
/**
* Support class for converting unicode strings into a suitable 7-bit ASCII equivalent.
*
* Usage:
*
* $tr = new Transliterator();
* $ascii = $tr->toASCII($unicode);
*/
class Transliterator {
/**
* Allow the use of iconv() to perform transliteration. Set to false to disable.
* Even if this variable is true, iconv() won't be used if it's not installed.
*/
static $use_iconv = false;
function __construct() {
// A constructor is necessary for Object::create() to work
}
/**
* Convert the given utf8 string to a safe ASCII source
*/
function toASCII($source) {
if(function_exists('iconv') && self::$use_iconv) return $this->useIconv($source);
else return $this->useStrTr($source);
}
/**
* Transliteration using strtr() and a lookup table
*/
protected function useStrTr($source) {
$table = array(
'Š'=>'S', 'š'=>'s', 'Đ'=>'Dj', 'đ'=>'dj', 'Ž'=>'Z', 'ž'=>'z', 'Č'=>'C', 'č'=>'c', 'Ć'=>'C', 'ć'=>'c',
'À'=>'A', 'Á'=>'A', 'Â'=>'A', 'Ã'=>'A', 'Ä'=>'A', 'Å'=>'A', 'Æ'=>'A', 'Ç'=>'C', 'È'=>'E', 'É'=>'E',
'Ê'=>'E', 'Ë'=>'E', 'Ì'=>'I', 'Í'=>'I', 'Î'=>'I', 'Ï'=>'I', 'Ñ'=>'N', 'Ò'=>'O', 'Ó'=>'O', 'Ô'=>'O',
'Õ'=>'O', 'Ö'=>'O', 'Ø'=>'O', 'Ù'=>'U', 'Ú'=>'U', 'Û'=>'U', 'Ü'=>'U', 'Ý'=>'Y', 'Þ'=>'B', 'ß'=>'Ss',
'à'=>'a', 'á'=>'a', 'â'=>'a', 'ã'=>'a', 'ä'=>'a', 'å'=>'a', 'æ'=>'ae', 'ç'=>'c', 'è'=>'e', 'é'=>'e',
'ê'=>'e', 'ë'=>'e', 'ì'=>'i', 'í'=>'i', 'î'=>'i', 'ï'=>'i', 'ð'=>'o', 'ñ'=>'n', 'ò'=>'o', 'ó'=>'o',
'ô'=>'o', 'õ'=>'o', 'ö'=>'o', 'ø'=>'o', 'ù'=>'u', 'ú'=>'u', 'û'=>'u', 'ý'=>'y', 'ý'=>'y', 'þ'=>'b',
'ÿ'=>'y', 'Ŕ'=>'R', 'ŕ'=>'r',
'Ā'=>'A', 'ā'=>'a', 'Ē'=>'E', 'ē'=>'e', 'Ī'=>'I', 'ī'=>'i', 'Ō'=>'O', 'ō'=>'o', 'Ū'=>'U', 'ū'=>'u',
'œ'=>'oe', 'ß'=>'ss', 'ij'=>'ij',
);
return strtr($source, $table);
}
/**
* Transliteration using iconv()
*/
protected function useIconv($source) {
return iconv("utf-8", "us-ascii//IGNORE//TRANSLIT", $source);
}
}

12
javascript/UpdateURL.js
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@ -8,20 +8,14 @@ Behaviour.register({
if(!$('Form_EditForm_URLSegment')) return;
var urlSegmentField = $('Form_EditForm_URLSegment');
var newSuggestion = urlSegmentField.suggestNewValue( this.value.toLowerCase() );
var isNew = urlSegmentField.value.indexOf("new") == 0;
var confirmMessage = ss.i18n.sprintf(
ss.i18n._t('UPDATEURL.CONFIRM', 'Would you like me to change the URL to:\n\n%s/\n\nClick Ok to change the URL, click Cancel to leave it as:\n\n%s'),
newSuggestion,
ss.i18n._t('UPDATEURL.CONFIRM_V2', 'Would you like me to change the URL to match this page name?\n\nClick Ok to change the URL, click Cancel to leave it as:\n\n%s'),
urlSegmentField.value
);
if(
newSuggestion == urlSegmentField.value
|| isNew
|| confirm(confirmMessage)
) {
urlSegmentField.value = newSuggestion;
if(isNew || confirm(confirmMessage)) {
urlSegmentField.value = '';
}
// If you type in Page name, the Navigation Label and Meta Title should automatically update the first time
// @todo: Change file name from UpdateURL to something more geneneric since we now do more than update the URL.