js/util.js

   1 /*
   2  * StatusNet - a distributed open-source microblogging tool
   3  * Copyright (C) 2008, StatusNet, Inc.
   4  *
   5  * This program is free software: you can redistribute it and/or modify
   6  * it under the terms of the GNU Affero General Public License as published by
   7  * the Free Software Foundation, either version 3 of the License, or
   8  * (at your option) any later version.
   9  *
  10  * This program is distributed in the hope that it will be useful,
  11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13  * GNU Affero General Public License for more details.
  14  *
  15  * You should have received a copy of the GNU Affero General Public License
  16  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  17  */
  18
  19 $(document).ready(function(){
  20         var counterBlackout = false;
  21
  22         // count character on keyup
  23         function counter(event){
  24          if (maxLength <= 0) {
  25               return;
  26          }
  27                 var currentLength = $("#notice_data-text").val().length;
  28                 var remaining = maxLength - currentLength;
  29                 var counter = $("#notice_text-count");
  30
  31                 if (remaining.toString() != counter.text()) {
  32                     if (!counterBlackout || remaining == 0) {
  33                         if (counter.text() != String(remaining)) {
  34                             counter.text(remaining);
  35                         }
  36
  37                         if (remaining < 0) {
  38                             $("#form_notice").addClass("warning");
  39                         } else {
  40                             $("#form_notice").removeClass("warning");
  41                         }
  42                         // Skip updates for the next 500ms.
  43                         // On slower hardware, updating on every keypress is unpleasant.
  44                         if (!counterBlackout) {
  45                             counterBlackout = true;
  46                             window.setTimeout(clearCounterBlackout, 500);
  47                         }
  48                     }
  49                 }
  50         }
  51
  52         function clearCounterBlackout() {
  53                 // Allow keyup events to poke the counter again
  54                 counterBlackout = false;
  55                 // Check if the string changed since we last looked
  56                 counter(null);
  57         }
  58
  59         function submitonreturn(event) {
  60                 if (event.keyCode == 13 || event.keyCode == 10) {
  61                         // iPhone sends \n not \r for 'return'
  62                         $("#form_notice").submit();
  63                         event.preventDefault();
  64                         event.stopPropagation();
  65                         $("#notice_data-text").blur();
  66                         $("body").focus();
  67                         return false;
  68                 }
  69                 return true;
  70         }
  71
  72      // define maxLength if it wasn't defined already
  73
  74     if (typeof(maxLength) == "undefined") {
  75          maxLength = 140;
  76     }
  77
  78         if ($("#notice_data-text").length) {
  79          if (maxLength > 0) {
  80               $("#notice_data-text").bind("keyup", counter);
  81               // run once in case there's something in there
  82               counter();
  83          }
  84
  85                 $("#notice_data-text").bind("keydown", submitonreturn);
  86
  87         if($('body')[0].id != 'conversation') {
  88             $("#notice_data-text").focus();
  89         }
  90         }
  91
  92         function addAjaxHidden() {
  93                 var ajax = document.createElement('input');
  94                 ajax.setAttribute('type', 'hidden');
  95                 ajax.setAttribute('name', 'ajax');
  96                 ajax.setAttribute('value', 1);
  97                 this.appendChild(ajax);
  98         }
  99
 100     $('.form_user_subscribe').each(function() { SN.U.FormXHR($(this)); });
 101     $('.form_user_unsubscribe').each(function() { SN.U.FormXHR($(this)); });
 102     $('.form_favor').each(function() { SN.U.FormXHR($(this)); });
 103     $('.form_disfavor').each(function() { SN.U.FormXHR($(this)); });
 104     $('.form_group_join').each(function() { SN.U.FormXHR($(this)); });
 105     $('.form_group_leave').each(function() { SN.U.FormXHR($(this)); });
 106     $('.form_user_nudge').each(function() { SN.U.FormXHR($(this)); });
 107
 108         var PostNotice = { dataType: 'xml',
 109                                            beforeSubmit: function(formData, jqForm, options) { if ($("#notice_data-text").get(0).value.length == 0) {
 110                                                                                                                                                                 $("#form_notice").addClass("warning");
 111                                                                                                                                                                 return false;
 112                                                                                                                                                    }
 113                                                                                                                                                    $("#form_notice").addClass("processing");
 114                                                                                                                                                    $("#notice_action-submit").attr("disabled", "disabled");
 115                                                                                                                                                    $("#notice_action-submit").addClass("disabled");
 116                                                                                                                                                    return true;
 117                                                                                                                                                  },
 118                                            timeout: '60000',
 119                                            error: function (xhr, textStatus, errorThrown) {     $("#form_notice").removeClass("processing");
 120                                                                                                                                                 $("#notice_action-submit").removeAttr("disabled");
 121                                                                                                                                                 $("#notice_action-submit").removeClass("disabled");
 122                                                                                                                                                 if (textStatus == "timeout") {
 123                                                                                                                                                         alert ("Sorry! We had trouble sending your notice. The servers are overloaded. Please try again, and contact the site administrator if this problem persists");
 124                                                                                                                                                 }
 125                                                                                                                                                 else {
 126                                                                                                                                                         if ($(".error", xhr.responseXML).length > 0) {
 127                                                                                                                                                                 $('#form_notice').append(document._importNode($(".error", xhr.responseXML).get(0), true));
 128                                                                                                                                                         }
 129                                                                                                                                                         else {
 130                                                                                                                                                                 var HTTP20x30x = [200, 201, 202, 203, 204, 205, 206, 300, 301, 302, 303, 304, 305, 306, 307];
 131                                                                                                                                                                 if(jQuery.inArray(parseInt(xhr.status), HTTP20x30x) < 0) {
 132                                                                                                                                                                         alert("Sorry! We had trouble sending your notice ("+xhr.status+" "+xhr.statusText+"). Please report the problem to the site administrator if this happens again.");
 133                                                                                                                                                                 }
 134                                                                                                                                                                 else {
 135                                                                                                                                                                         $("#notice_data-text").val("");
 136                                                                                      if (maxLength > 0) {
 137                                                                                           counter();
 138                                                                                      }
 139                                                                                                                                                                 }
 140                                                                                                                                                         }
 141                                                                                                                                                 }
 142                                                                                                                                           },
 143                                            success: function(xml) {     if ($("#error", xml).length > 0) {
 144                                                                                                         var result = document._importNode($("p", xml).get(0), true);
 145                                                                                                         result = result.textContent || result.innerHTML;
 146                                                                                                         alert(result);
 147                                                                                                 }
 148                                                                                                 else {
 149                                                                                                     if($('body')[0].id == 'bookmarklet') {
 150                                                                                                         self.close();
 151                                                                                                     }
 152                                                                                                     if ($("#command_result", xml).length > 0) {
 153                                                                                                             var result = document._importNode($("p", xml).get(0), true);
 154                                                                                                             result = result.textContent || result.innerHTML;
 155                                                                                                             alert(result);
 156                                                     }
 157                                                     else {
 158                                                          li = $("li", xml).get(0);
 159                                                          if ($("#"+li.id).length == 0) {
 160                                                             var notice_irt_value = $('#notice_in-reply-to').val();
 161                                                             var notice_irt = '#notices_primary #notice-'+notice_irt_value;
 162                                                             if($('body')[0].id == 'conversation') {
 163                                                                 if(notice_irt_value.length > 0 && $(notice_irt+' .notices').length < 1) {
 164                                                                     $(notice_irt).append('<ul class="notices"></ul>');
 165                                                                 }
 166                                                                 $($(notice_irt+' .notices')[0]).append(document._importNode(li, true));
 167                                                             }
 168                                                             else {
 169                                                                 $("#notices_primary .notices").prepend(document._importNode(li, true));
 170                                                             }
 171                                                             $('#'+li.id).css({display:'none'});
 172                                                             $('#'+li.id).fadeIn(2500);
 173                                                             NoticeReply();
 174                                                             NoticeAttachments();
 175                                                          }
 176                                                                                                         }
 177                                                                                                         $("#notice_data-text").val("");
 178                                                                                                 $("#notice_data-attach").val("");
 179                                                                                                 $("#notice_in-reply-to").val("");
 180                                                     $('#notice_data-attach_selected').remove();
 181                                                      if (maxLength > 0) {
 182                                                           counter();
 183                                                      }
 184                                                                                                 }
 185                                                                                                 $("#form_notice").removeClass("processing");
 186                                                                                                 $("#notice_action-submit").removeAttr("disabled");
 187                                                                                                 $("#notice_action-submit").removeClass("disabled");
 188                                                                                          }
 189                                            };
 190         $("#form_notice").ajaxForm(PostNotice);
 191         $("#form_notice").each(addAjaxHidden);
 192     NoticeReply();
 193     NoticeAttachments();
 194     NoticeDataAttach();
 195 });
 196
 197 function NoticeReply() {
 198     if ($('#notice_data-text').length > 0 && $('#content .notice_reply').length > 0) {
 199         $('#content .notice').each(function() {
 200             var notice = $(this)[0];
 201             $($('.notice_reply', notice)[0]).click(function() {
 202                 var nickname = ($('.author .nickname', notice).length > 0) ? $($('.author .nickname', notice)[0]) : $('.author .nickname.uid');
 203                 NoticeReplySet(nickname.text(), $($('.notice_id', notice)[0]).text());
 204                 return false;
 205             });
 206         });
 207     }
 208 }
 209
 210 function NoticeReplySet(nick,id) {
 211         rgx_username = /^[0-9a-zA-Z\-_.]*$/;
 212         if (nick.match(rgx_username)) {
 213                 var text = $("#notice_data-text");
 214                 if (text.length) {
 215                         replyto = "@" + nick + " ";
 216                         text.val(replyto + text.val().replace(RegExp(replyto, 'i'), ''));
 217                         $("#form_notice input#notice_in-reply-to").val(id);
 218                         if (text.get(0).setSelectionRange) {
 219                                 var len = text.val().length;
 220                                 text.get(0).setSelectionRange(len,len);
 221                                 text.get(0).focus();
 222                         }
 223                         return false;
 224                 }
 225         }
 226         return true;
 227 }
 228
 229 function NoticeAttachments() {
 230     $.fn.jOverlay.options = {
 231         method : 'GET',
 232         data : '',
 233         url : '',
 234         color : '#000',
 235         opacity : '0.6',
 236         zIndex : 99,
 237         center : false,
 238         imgLoading : $('address .url')[0].href+'theme/base/images/illustrations/illu_progress_loading-01.gif',
 239         bgClickToClose : true,
 240         success : function() {
 241             $('#jOverlayContent').append('<button>&#215;</button>');
 242             $('#jOverlayContent button').click($.closeOverlay);
 243         },
 244         timeout : 0,
 245         autoHide : true,
 246         css : {'max-width':'542px', 'top':'5%', 'left':'32.5%'}
 247     };
 248
 249     $('#content .notice a.attachment').click(function() {
 250         $().jOverlay({url: $('address .url')[0].href+'attachment/' + ($(this).attr('id').substring('attachment'.length + 1)) + '/ajax'});
 251         return false;
 252     });
 253
 254     var t;
 255     $("body:not(#shownotice) #content .notice a.thumbnail").hover(
 256         function() {
 257             var anchor = $(this);
 258             $("a.thumbnail").children('img').hide();
 259             anchor.closest(".entry-title").addClass('ov');
 260
 261             if (anchor.children('img').length == 0) {
 262                 t = setTimeout(function() {
 263                     $.get($('address .url')[0].href+'attachment/' + (anchor.attr('id').substring('attachment'.length + 1)) + '/thumbnail', null, function(data) {
 264                         anchor.append(data);
 265                     });
 266                 }, 500);
 267             }
 268             else {
 269                 anchor.children('img').show();
 270             }
 271         },
 272         function() {
 273             clearTimeout(t);
 274             $("a.thumbnail").children('img').hide();
 275             $(this).closest(".entry-title").removeClass('ov');
 276         }
 277     );
 278 }
 279
 280 function NoticeDataAttach() {
 281     NDA = $('#notice_data-attach');
 282     NDA.change(function() {
 283         S = '<div id="notice_data-attach_selected" class="success"><code>'+$(this).val()+'</code> <button>&#215;</button></div>';
 284         NDAS = $('#notice_data-attach_selected');
 285         (NDAS.length > 0) ? NDAS.replaceWith(S) : $('#form_notice').append(S);
 286         $('#notice_data-attach_selected button').click(function(){
 287             $('#notice_data-attach_selected').remove();
 288             NDA.val('');
 289         });
 290     });
 291 }
 292
 293 var SN = { // StatusNet
 294     C: { // Config
 295         S: { // Selector
 296             Disabled: 'disabled',
 297             Warning: 'warning',
 298             Error: 'error',
 299             Processing: 'processing'
 300         }
 301     },
 302
 303     U: { // Utils
 304         FormXHR: function(f) {
 305             f.bind('submit', function(e) {
 306                 form_id = $(this)[0].id;
 307                 $.ajax({
 308                     type: 'POST',
 309                     url: $(this)[0].action,
 310                     data: $(this).serialize() + '&ajax=1',
 311                     beforeSend: function(xhr) {
 312                         $('#'+form_id).addClass(SN.C.S.Processing);
 313                         $('#'+form_id+' .submit').addClass(SN.C.S.Disabled);
 314                         $('#'+form_id+' .submit').attr(SN.C.S.Disabled, SN.C.S.Disabled);
 315                     },
 316                     error: function (xhr, textStatus, errorThrown) {
 317                         alert(errorThrown || textStatus);
 318                     },
 319                     success: function(data, textStatus) {
 320                         if ($('form', data)[0].length > 0) {
 321                             form_new = $('form', data)[0];
 322                             $('#'+form_id).replaceWith(document._importNode(form_new, true));
 323                             $('#'+form_new.id).each(function() { SN.U.FormXHR($(this)); });
 324                         }
 325                         else {
 326                             $('#'+form_id).replaceWith(document._importNode($('p', data)[0], true));
 327                         }
 328                     }
 329                 });
 330                 return false;
 331             });
 332         }
 333     }
 334 }