gnu-social/js/util.js

/*
 * Laconica - a distributed open-source microblogging tool
 * Copyright (C) 2008, Controlez-Vous, Inc.
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Affero 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 Affero General Public License for more details.
 *
 * You should have received a copy of the GNU Affero General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */

$(document).ready(function(){
        // count character on keyup
        function counter(event){
            var maxLength     = 140;
            var currentLength = $("#status_textarea").val().length;
            var remaining = maxLength - currentLength;
            var counter   = $("#counter");
            counter.text(remaining);

            if (remaining <= 0) {
                counter.attr("class", "toomuch");
            } else {
                counter.attr("class", "");
            }
        }
     
        function submitonreturn(event) {
             if (event.keyCode == 13) {
                  $("#status_form").submit();
                  event.preventDefault();
                  event.stopPropagation();
                  return false;
             }
             return true;
        }
     
        if ($("#status_textarea").length) {
             $("#status_textarea").bind("keyup", counter);
             $("#status_textarea").bind("keydown", submitonreturn);
     
            // run once in case there's something in there
            counter();
             
             // set the focus
             $("#status_textarea").focus();
        }

     // XXX: refactor this code

     var favoptions = {dataType: 'xml',
               success: function(xml) {
                    var new_form = $('form.disfavor', xml);
                    var id = new_form.id.replace('disfavor', 'favor');
                    $('form#'+id).replace(new_form);
               }};
     
     var disoptions = {dataType: 'xml',
               success: function(xml) {
                    var new_form = $('form.favor', xml);
                    var id = new_form.id.replace('favor', 'disfavor');
                    $('form#'+id).replace(new_form);
               }};

     function addAjaxHidden(form) {
          ajax = document.newElement('input');
          ajax.addAttribute('type', 'hidden');
          ajax.addAttribute('name', 'ajax');
          ajax.addAttribute('value', 1);
          form.appendChild(ajax);
     }
     
     $("form.favor").ajaxForm(favoptions);
     $("form.disfavor").ajaxForm(disoptions);
     
     $("form.favor").each(addAjaxHidden);
     $("form.disfavor").each(addAjaxHidden);          
});

function doreply(nick) {
     rgx_username = /^[0-9a-zA-Z\-_.]*$/;
     if (nick.match(rgx_username)) {
          replyto = "@" + nick + " ";
          if ($("#status_textarea").length) {
               $("#status_textarea").val(replyto);
               $("#status_textarea").focus();
			   return false;
		  }
     }
     return true;
}