gnu-social/plugins/DirectionDetector/jquery.DirectionDetector.js

73 lines
2.5 KiB
JavaScript

/**
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
* @category Plugin
* @package StatusNet
* @author Behrooz shabani (everplays) - <behrooz@rock.com>
* @copyright 2009-2010 Behrooz shabani
* @license http://www.fsf.org/licensing/licenses/agpl-3.0.html AGPL 3.0
*
*/
(function($){
$.fn.isRTL = function(str){
if(typeof str != typeof "" || str.length<1)
return false;
var cc = str.charCodeAt(0);
if(cc>=1536 && cc<=1791) // arabic, persian, ...
return true;
if(cc>=65136 && cc<=65279) // arabic peresent 2
return true;
if(cc>=64336 && cc<=65023) // arabic peresent 1
return true;
if(cc>=1424 && cc<=1535) // hebrew
return true;
if(cc>=64256 && cc<=64335) // hebrew peresent
return true;
if(cc>=1792 && cc<=1871) // Syriac
return true;
if(cc>=1920 && cc<=1983) // Thaana
return true;
if(cc>=1984 && cc<=2047) // NKo
return true;
if(cc>=11568 && cc<=11647) // Tifinagh
return true;
return false;
};
var origInit = SN.Init.NoticeFormSetup;
SN.Init.NoticeFormSetup = function(form) {
origInit(form);
var tArea = form.find(".notice_data-text:first");
if (tArea.length > 0) {
var tCleaner = new RegExp('@[^ ]+|![^ ]+|#[^ ]+|^RT[: ]{1}| RT | RT: |^RD[: ]{1}| RD | RD: |[♺♻:]+', 'g')
var ping = function(){
var cleaned = tArea.val().replace(tCleaner, '').replace(/^[ ]+/, '');
if($().isRTL(cleaned))
tArea.css('direction', 'rtl');
else
tArea.css('direction', 'ltr');
};
tArea.bind('keyup cut paste', function() {
// cut/paste trigger before the change
window.setTimeout(ping, 0);
});
form.bind('reset', function() {
tArea.css('direction', 'ltr');
});
}
};
})(jQuery);