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     $('.form_user_subscribe').each(function() { SN.U.FormXHR($(this)); });
  93     $('.form_user_unsubscribe').each(function() { SN.U.FormXHR($(this)); });
  94     $('.form_favor').each(function() { SN.U.FormXHR($(this)); });
  95     $('.form_disfavor').each(function() { SN.U.FormXHR($(this)); });
  96     $('.form_group_join').each(function() { SN.U.FormXHR($(this)); });
  97     $('.form_group_leave').each(function() { SN.U.FormXHR($(this)); });
  98     $('.form_user_nudge').each(function() { SN.U.FormXHR($(this)); });
  99
 100     SN.U.FormNoticeXHR();
 101
 102     SN.U.NoticeReply();
 103     SN.U.NoticeAttachments();
 104     SN.U.NoticeDataAttach();
 105 });
 106
 107
 108 var SN = { // StatusNet
 109     C: { // Config
 110         I: {
 111             NoticeTextCharMax: 140,
 112             PatternUsername: /^[0-9a-zA-Z\-_.]*$/,
 113             HTTP20x30x: [200, 201, 202, 203, 204, 205, 206, 300, 301, 302, 303, 304, 305, 306, 307]
 114         },
 115         S: { // Selector
 116             Disabled: 'disabled',
 117             Warning: 'warning',
 118             Error: 'error',
 119             Success: 'success',
 120             Processing: 'processing',
 121             CommendResult: 'command_result',
 122             FormNotice: 'form_notice',
 123             NoticeDataText: 'notice_data-text',
 124             NoticeTextCount: 'notice_text-count',
 125             NoticeInReplyTo: 'notice_in-reply-to',
 126             NoticeDataAttach: 'notice_data-attach',
 127             NoticeDataAttachSelected: 'notice_data-attach_selected',
 128             NoticeActionSubmit: 'notice_action-submit'
 129         }
 130     },
 131
 132     U: { // Utils
 133         FormXHR: function(f) {
 134             f.bind('submit', function(e) {
 135                 form_id = $(this)[0].id;
 136                 $.ajax({
 137                     type: 'POST',
 138                     url: $(this)[0].action,
 139                     data: $(this).serialize() + '&ajax=1',
 140                     beforeSend: function(xhr) {
 141                         $('#'+form_id).addClass(SN.C.S.Processing);
 142                         $('#'+form_id+' .submit').addClass(SN.C.S.Disabled);
 143                         $('#'+form_id+' .submit').attr(SN.C.S.Disabled, SN.C.S.Disabled);
 144                     },
 145                     error: function (xhr, textStatus, errorThrown) {
 146                         alert(errorThrown || textStatus);
 147                     },
 148                     success: function(data, textStatus) {
 149                         if ($('form', data)[0].length > 0) {
 150                             form_new = $('form', data)[0];
 151                             $('#'+form_id).replaceWith(document._importNode(form_new, true));
 152                             $('#'+form_new.id).each(function() { SN.U.FormXHR($(this)); });
 153                         }
 154                         else {
 155                             $('#'+form_id).replaceWith(document._importNode($('p', data)[0], true));
 156                         }
 157                     }
 158                 });
 159                 return false;
 160             });
 161         },
 162
 163         FormNoticeXHR: function() {
 164             $('#'+SN.C.S.FormNotice).append('<input type="hidden" name="ajax" value="1"/>');
 165             $('#'+SN.C.S.FormNotice).ajaxForm({
 166                 timeout: '60000',
 167                 beforeSend: function(xhr) {
 168                     if ($('#'+SN.C.S.NoticeDataText)[0].value.length === 0) {
 169                         $('#'+SN.C.S.FormNotice).addClass(SN.C.S.Warning);
 170                         return false;
 171                     }
 172                     $('#'+SN.C.S.FormNotice).addClass(SN.C.S.Processing);
 173                     $('#'+SN.C.S.NoticeActionSubmit).addClass(SN.C.S.Disabled);
 174                     $('#'+SN.C.S.NoticeActionSubmit).attr(SN.C.S.Disabled, SN.C.S.Disabled);
 175                     return true;
 176                 },
 177                 error: function (xhr, textStatus, errorThrown) {
 178                     $('#'+SN.C.S.FormNotice).removeClass(SN.C.S.Processing);
 179                     $('#'+SN.C.S.NoticeActionSubmit).removeClass(SN.C.S.Disabled);
 180                     $('#'+SN.C.S.NoticeActionSubmit).removeAttr(SN.C.S.Disabled, SN.C.S.Disabled);
 181                     if (textStatus == 'timeout') {
 182                         alert ('Sorry! We had trouble sending your notice. The servers are overloaded. Please try again, and contact the site administrator if this problem persists');
 183                     }
 184                     else {
 185                         if ($('.'+SN.C.S.Error, xhr.responseXML).length > 0) {
 186                             $('#'+SN.C.S.FormNotice).append(document._importNode($('.'+SN.C.S.Error, xhr.responseXML)[0], true));
 187                         }
 188                         else {
 189                             if(jQuery.inArray(parseInt(xhr.status), SN.C.I.HTTP20x30x) < 0) {
 190                                 alert('Sorry! We had trouble sending your notice ('+xhr.status+' '+xhr.statusText+'). Please report the problem to the site administrator if this happens again.');
 191                             }
 192                             else {
 193                                 SN.C.I.NoticeDataText.val('');
 194 //                                SN.U.NoticeTextCounter($('#'+SN.C.S.NoticeDataText), $('#'+SN.C.S.NoticeTextCount), SN.C.I.NoticeTextCharMax);
 195                             }
 196                         }
 197                     }
 198                 },
 199                 success: function(data, textStatus) {
 200                     if ($('#'+SN.C.S.Error, data).length > 0) {
 201                         var result = document._importNode($('p', data)[0], true);
 202                         alert(result.textContent || result.innerHTML);
 203                     }
 204                     else {
 205                         if($('body')[0].id == 'bookmarklet') {
 206                             self.close();
 207                         }
 208                         if ($('#'+SN.C.S.CommandResult, data).length > 0) {
 209                             var result = document._importNode($('p', data)[0], true);
 210                             alert(result.textContent || result.innerHTML);
 211                         }
 212                         else {
 213                              notice = $('li', data)[0];
 214                              if ($('#'+notice.id).length === 0) {
 215                                 var notice_irt_value = $('#'+SN.C.S.NoticeInReplyTo).val();
 216                                 var notice_irt = '#notices_primary #notice-'+notice_irt_value;
 217                                 if($('body')[0].id == 'conversation') {
 218                                     if(notice_irt_value.length > 0 && $(notice_irt+' .notices').length < 1) {
 219                                         $(notice_irt).append('<ul class="notices"></ul>');
 220                                     }
 221                                     $($(notice_irt+' .notices')[0]).append(document._importNode(notice, true));
 222                                 }
 223                                 else {
 224                                     $("#notices_primary .notices").prepend(document._importNode(notice, true));
 225                                 }
 226                                 $('#'+notice.id).css({display:'none'});
 227                                 $('#'+notice.id).fadeIn(2500);
 228                                 SN.U.NoticeAttachments();
 229                                 SN.U.NoticeReply();
 230                              }
 231                         }
 232                         $('#'+SN.C.S.NoticeDataText).val('');
 233                         $('#'+SN.C.S.NoticeDataAttach).val('');
 234                         $('#'+SN.C.S.NoticeInReplyTo).val('');
 235 //                        SN.U.NoticeTextCounter($('#'+SN.C.S.NoticeDataText), $('#'+SN.C.S.NoticeTextCount), SN.C.I.NoticeTextCharMax);
 236                     }
 237                 },
 238                 complete: function(xhr, textStatus) {
 239                     $('#'+SN.C.S.FormNotice).removeClass(SN.C.S.Processing);
 240                     $('#'+SN.C.S.NoticeActionSubmit).removeAttr(SN.C.S.Disabled);
 241                     $('#'+SN.C.S.NoticeActionSubmit).removeClass(SN.C.S.Disabled);
 242                 }
 243             });
 244         },
 245
 246         NoticeReply: function() {
 247             if ($('#'+SN.C.S.NoticeDataText).length > 0 && $('#content .notice_reply').length > 0) {
 248                 $('#content .notice').each(function() {
 249                     var notice = $(this)[0];
 250                     $($('.notice_reply', notice)[0]).click(function() {
 251                         var nickname = ($('.author .nickname', notice).length > 0) ? $($('.author .nickname', notice)[0]) : $('.author .nickname.uid');
 252                         SN.U.NoticeReplySet(nickname.text(), $($('.notice_id', notice)[0]).text());
 253                         return false;
 254                     });
 255                 });
 256             }
 257         },
 258
 259         NoticeReplySet: function(nick,id) {
 260             if (nick.match(SN.C.I.PatternUsername)) {
 261                 var text = $('#'+SN.C.S.NoticeDataText);
 262                 if (text.length) {
 263                     replyto = '@' + nick + ' ';
 264                     text.val(replyto + text.val().replace(RegExp(replyto, 'i'), ''));
 265                     $('#'+SN.C.S.FormNotice+' input#'+SN.C.S.NoticeInReplyTo).val(id);
 266                     if (text.get(0).setSelectionRange) {
 267                         var len = text.val().length;
 268                         text.get(0).setSelectionRange(len,len);
 269                         text.get(0).focus();
 270                     }
 271                     return false;
 272                 }
 273             }
 274             return true;
 275         },
 276
 277         NoticeAttachments: function() {
 278             $.fn.jOverlay.options = {
 279                 method : 'GET',
 280                 data : '',
 281                 url : '',
 282                 color : '#000',
 283                 opacity : '0.6',
 284                 zIndex : 99,
 285                 center : false,
 286                 imgLoading : $('address .url')[0].href+'theme/base/images/illustrations/illu_progress_loading-01.gif',
 287                 bgClickToClose : true,
 288                 success : function() {
 289                     $('#jOverlayContent').append('<button>&#215;</button>');
 290                     $('#jOverlayContent button').click($.closeOverlay);
 291                 },
 292                 timeout : 0,
 293                 autoHide : true,
 294                 css : {'max-width':'542px', 'top':'5%', 'left':'32.5%'}
 295             };
 296
 297             $('#content .notice a.attachment').click(function() {
 298                 $().jOverlay({url: $('address .url')[0].href+'attachment/' + ($(this).attr('id').substring('attachment'.length + 1)) + '/ajax'});
 299                 return false;
 300             });
 301
 302             var t;
 303             $("body:not(#shownotice) #content .notice a.thumbnail").hover(
 304                 function() {
 305                     var anchor = $(this);
 306                     $("a.thumbnail").children('img').hide();
 307                     anchor.closest(".entry-title").addClass('ov');
 308
 309                     if (anchor.children('img').length == 0) {
 310                         t = setTimeout(function() {
 311                             $.get($('address .url')[0].href+'attachment/' + (anchor.attr('id').substring('attachment'.length + 1)) + '/thumbnail', null, function(data) {
 312                                 anchor.append(data);
 313                             });
 314                         }, 500);
 315                     }
 316                     else {
 317                         anchor.children('img').show();
 318                     }
 319                 },
 320                 function() {
 321                     clearTimeout(t);
 322                     $("a.thumbnail").children('img').hide();
 323                     $(this).closest(".entry-title").removeClass('ov');
 324                 }
 325             );
 326         },
 327
 328         NoticeDataAttach: function() {
 329             NDA = $('#'+SN.C.S.NoticeDataAttach);
 330             NDA.change(function() {
 331                 S = '<div id="'+SN.C.S.NoticeDataAttachSelected+'" class="'+SN.C.S.Success+'"><code>'+$(this).val()+'</code> <button>&#215;</button></div>';
 332                 NDAS = $('#'+SN.C.S.NoticeDataAttachSelected);
 333                 (NDAS.length > 0) ? NDAS.replaceWith(S) : $('#'+SN.C.S.FormNotice).append(S);
 334                 $('#'+SN.C.S.NoticeDataAttachSelected+' button').click(function(){
 335                     $('#'+SN.C.S.NoticeDataAttachSelected).remove();
 336                     NDA.val('');
 337                 });
 338             });
 339         }
 340     }
 341 }