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                             $("#form_notice").removeClass("warning");
  41                         }
  42                         // Skip updates for the next 500ms.
  43                         // On slower hardware, updating on every keypress is unpleasant.
  44                         if (!counterBlackout) {
  45                             counterBlackout = true;
  46                             window.setTimeout(clearCounterBlackout, 500);
  47                         }
  48                     }
  49                 }
  50         }
  51
  52         function clearCounterBlackout() {
  53                 // Allow keyup events to poke the counter again
  54                 counterBlackout = false;
  55                 // Check if the string changed since we last looked
  56                 counter(null);
  57         }
  58
  59
  60
  61      // define maxLength if it wasn't defined already
  62
  63     if (typeof(maxLength) == "undefined") {
  64          maxLength = 140;
  65     }
  66
  67         if ($("#notice_data-text").length) {
  68          if (maxLength > 0) {
  69               $("#notice_data-text").bind("keyup", counter);
  70               // run once in case there's something in there
  71               counter();
  72          }
  73
  74         $('#'+SN.C.S.NoticeDataText).bind('keydown', function(e) {
  75             SN.U.SubmitOnReturn(e, $('#'+SN.C.S.FormNotice));
  76         });
  77
  78         if($('body')[0].id != 'conversation') {
  79             $("#notice_data-text").focus();
  80         }
  81         }
  82
  83     $('.form_user_subscribe').each(function() { SN.U.FormXHR($(this)); });
  84     $('.form_user_unsubscribe').each(function() { SN.U.FormXHR($(this)); });
  85     $('.form_favor').each(function() { SN.U.FormXHR($(this)); });
  86     $('.form_disfavor').each(function() { SN.U.FormXHR($(this)); });
  87     $('.form_group_join').each(function() { SN.U.FormXHR($(this)); });
  88     $('.form_group_leave').each(function() { SN.U.FormXHR($(this)); });
  89     $('.form_user_nudge').each(function() { SN.U.FormXHR($(this)); });
  90
  91     SN.U.FormNoticeXHR();
  92
  93     SN.U.NoticeReply();
  94     SN.U.NoticeAttachments();
  95     SN.U.NoticeDataAttach();
  96 });
  97
  98
  99 var SN = { // StatusNet
 100     C: { // Config
 101         I: {
 102             NoticeTextCharMax: 140,
 103             PatternUsername: /^[0-9a-zA-Z\-_.]*$/,
 104             HTTP20x30x: [200, 201, 202, 203, 204, 205, 206, 300, 301, 302, 303, 304, 305, 306, 307]
 105         },
 106         S: { // Selector
 107             Disabled: 'disabled',
 108             Warning: 'warning',
 109             Error: 'error',
 110             Success: 'success',
 111             Processing: 'processing',
 112             CommendResult: 'command_result',
 113             FormNotice: 'form_notice',
 114             NoticeDataText: 'notice_data-text',
 115             NoticeTextCount: 'notice_text-count',
 116             NoticeInReplyTo: 'notice_in-reply-to',
 117             NoticeDataAttach: 'notice_data-attach',
 118             NoticeDataAttachSelected: 'notice_data-attach_selected',
 119             NoticeActionSubmit: 'notice_action-submit'
 120         }
 121     },
 122
 123     U: { // Utils
 124         SubmitOnReturn: function(event, el) {
 125             if (event.keyCode == 13 || event.keyCode == 10) {
 126                 el.submit();
 127                 event.preventDefault();
 128                 event.stopPropagation();
 129                 $('#'+SN.U.NoticeDataText).blur();
 130                 $('body').focus();
 131                 return false;
 132             }
 133             return true;
 134         },
 135
 136         FormXHR: function(f) {
 137             f.bind('submit', function(e) {
 138                 form_id = $(this)[0].id;
 139                 $.ajax({
 140                     type: 'POST',
 141                     url: $(this)[0].action,
 142                     data: $(this).serialize() + '&ajax=1',
 143                     beforeSend: function(xhr) {
 144                         $('#'+form_id).addClass(SN.C.S.Processing);
 145                         $('#'+form_id+' .submit').addClass(SN.C.S.Disabled);
 146                         $('#'+form_id+' .submit').attr(SN.C.S.Disabled, SN.C.S.Disabled);
 147                     },
 148                     error: function (xhr, textStatus, errorThrown) {
 149                         alert(errorThrown || textStatus);
 150                     },
 151                     success: function(data, textStatus) {
 152                         if ($('form', data)[0].length > 0) {
 153                             form_new = $('form', data)[0];
 154                             $('#'+form_id).replaceWith(document._importNode(form_new, true));
 155                             $('#'+form_new.id).each(function() { SN.U.FormXHR($(this)); });
 156                         }
 157                         else {
 158                             $('#'+form_id).replaceWith(document._importNode($('p', data)[0], true));
 159                         }
 160                     }
 161                 });
 162                 return false;
 163             });
 164         },
 165
 166         FormNoticeXHR: function() {
 167             $('#'+SN.C.S.FormNotice).append('<input type="hidden" name="ajax" value="1"/>');
 168             $('#'+SN.C.S.FormNotice).ajaxForm({
 169                 timeout: '60000',
 170                 beforeSend: function(xhr) {
 171                     if ($('#'+SN.C.S.NoticeDataText)[0].value.length === 0) {
 172                         $('#'+SN.C.S.FormNotice).addClass(SN.C.S.Warning);
 173                         return false;
 174                     }
 175                     $('#'+SN.C.S.FormNotice).addClass(SN.C.S.Processing);
 176                     $('#'+SN.C.S.NoticeActionSubmit).addClass(SN.C.S.Disabled);
 177                     $('#'+SN.C.S.NoticeActionSubmit).attr(SN.C.S.Disabled, SN.C.S.Disabled);
 178                     return true;
 179                 },
 180                 error: function (xhr, textStatus, errorThrown) {
 181                     $('#'+SN.C.S.FormNotice).removeClass(SN.C.S.Processing);
 182                     $('#'+SN.C.S.NoticeActionSubmit).removeClass(SN.C.S.Disabled);
 183                     $('#'+SN.C.S.NoticeActionSubmit).removeAttr(SN.C.S.Disabled, SN.C.S.Disabled);
 184                     if (textStatus == 'timeout') {
 185                         alert ('Sorry! We had trouble sending your notice. The servers are overloaded. Please try again, and contact the site administrator if this problem persists');
 186                     }
 187                     else {
 188                         if ($('.'+SN.C.S.Error, xhr.responseXML).length > 0) {
 189                             $('#'+SN.C.S.FormNotice).append(document._importNode($('.'+SN.C.S.Error, xhr.responseXML)[0], true));
 190                         }
 191                         else {
 192                             if(jQuery.inArray(parseInt(xhr.status), SN.C.I.HTTP20x30x) < 0) {
 193                                 alert('Sorry! We had trouble sending your notice ('+xhr.status+' '+xhr.statusText+'). Please report the problem to the site administrator if this happens again.');
 194                             }
 195                             else {
 196                                 SN.C.I.NoticeDataText.val('');
 197 //                                SN.U.NoticeTextCounter($('#'+SN.C.S.NoticeDataText), $('#'+SN.C.S.NoticeTextCount), SN.C.I.NoticeTextCharMax);
 198                             }
 199                         }
 200                     }
 201                 },
 202                 success: function(data, textStatus) {
 203                     if ($('#'+SN.C.S.Error, data).length > 0) {
 204                         var result = document._importNode($('p', data)[0], true);
 205                         alert(result.textContent || result.innerHTML);
 206                     }
 207                     else {
 208                         if($('body')[0].id == 'bookmarklet') {
 209                             self.close();
 210                         }
 211                         if ($('#'+SN.C.S.CommandResult, data).length > 0) {
 212                             var result = document._importNode($('p', data)[0], true);
 213                             alert(result.textContent || result.innerHTML);
 214                         }
 215                         else {
 216                              notice = $('li', data)[0];
 217                              if ($('#'+notice.id).length === 0) {
 218                                 var notice_irt_value = $('#'+SN.C.S.NoticeInReplyTo).val();
 219                                 var notice_irt = '#notices_primary #notice-'+notice_irt_value;
 220                                 if($('body')[0].id == 'conversation') {
 221                                     if(notice_irt_value.length > 0 && $(notice_irt+' .notices').length < 1) {
 222                                         $(notice_irt).append('<ul class="notices"></ul>');
 223                                     }
 224                                     $($(notice_irt+' .notices')[0]).append(document._importNode(notice, true));
 225                                 }
 226                                 else {
 227                                     $("#notices_primary .notices").prepend(document._importNode(notice, true));
 228                                 }
 229                                 $('#'+notice.id).css({display:'none'});
 230                                 $('#'+notice.id).fadeIn(2500);
 231                                 SN.U.NoticeAttachments();
 232                                 SN.U.NoticeReply();
 233                              }
 234                         }
 235                         $('#'+SN.C.S.NoticeDataText).val('');
 236                         $('#'+SN.C.S.NoticeDataAttach).val('');
 237                         $('#'+SN.C.S.NoticeInReplyTo).val('');
 238 //                        SN.U.NoticeTextCounter($('#'+SN.C.S.NoticeDataText), $('#'+SN.C.S.NoticeTextCount), SN.C.I.NoticeTextCharMax);
 239                     }
 240                 },
 241                 complete: function(xhr, textStatus) {
 242                     $('#'+SN.C.S.FormNotice).removeClass(SN.C.S.Processing);
 243                     $('#'+SN.C.S.NoticeActionSubmit).removeAttr(SN.C.S.Disabled);
 244                     $('#'+SN.C.S.NoticeActionSubmit).removeClass(SN.C.S.Disabled);
 245                 }
 246             });
 247         },
 248
 249         NoticeReply: function() {
 250             if ($('#'+SN.C.S.NoticeDataText).length > 0 && $('#content .notice_reply').length > 0) {
 251                 $('#content .notice').each(function() {
 252                     var notice = $(this)[0];
 253                     $($('.notice_reply', notice)[0]).click(function() {
 254                         var nickname = ($('.author .nickname', notice).length > 0) ? $($('.author .nickname', notice)[0]) : $('.author .nickname.uid');
 255                         SN.U.NoticeReplySet(nickname.text(), $($('.notice_id', notice)[0]).text());
 256                         return false;
 257                     });
 258                 });
 259             }
 260         },
 261
 262         NoticeReplySet: function(nick,id) {
 263             if (nick.match(SN.C.I.PatternUsername)) {
 264                 var text = $('#'+SN.C.S.NoticeDataText);
 265                 if (text.length) {
 266                     replyto = '@' + nick + ' ';
 267                     text.val(replyto + text.val().replace(RegExp(replyto, 'i'), ''));
 268                     $('#'+SN.C.S.FormNotice+' input#'+SN.C.S.NoticeInReplyTo).val(id);
 269                     if (text.get(0).setSelectionRange) {
 270                         var len = text.val().length;
 271                         text.get(0).setSelectionRange(len,len);
 272                         text.get(0).focus();
 273                     }
 274                     return false;
 275                 }
 276             }
 277             return true;
 278         },
 279
 280         NoticeAttachments: function() {
 281             $.fn.jOverlay.options = {
 282                 method : 'GET',
 283                 data : '',
 284                 url : '',
 285                 color : '#000',
 286                 opacity : '0.6',
 287                 zIndex : 99,
 288                 center : false,
 289                 imgLoading : $('address .url')[0].href+'theme/base/images/illustrations/illu_progress_loading-01.gif',
 290                 bgClickToClose : true,
 291                 success : function() {
 292                     $('#jOverlayContent').append('<button>&#215;</button>');
 293                     $('#jOverlayContent button').click($.closeOverlay);
 294                 },
 295                 timeout : 0,
 296                 autoHide : true,
 297                 css : {'max-width':'542px', 'top':'5%', 'left':'32.5%'}
 298             };
 299
 300             $('#content .notice a.attachment').click(function() {
 301                 $().jOverlay({url: $('address .url')[0].href+'attachment/' + ($(this).attr('id').substring('attachment'.length + 1)) + '/ajax'});
 302                 return false;
 303             });
 304
 305             var t;
 306             $("body:not(#shownotice) #content .notice a.thumbnail").hover(
 307                 function() {
 308                     var anchor = $(this);
 309                     $("a.thumbnail").children('img').hide();
 310                     anchor.closest(".entry-title").addClass('ov');
 311
 312                     if (anchor.children('img').length == 0) {
 313                         t = setTimeout(function() {
 314                             $.get($('address .url')[0].href+'attachment/' + (anchor.attr('id').substring('attachment'.length + 1)) + '/thumbnail', null, function(data) {
 315                                 anchor.append(data);
 316                             });
 317                         }, 500);
 318                     }
 319                     else {
 320                         anchor.children('img').show();
 321                     }
 322                 },
 323                 function() {
 324                     clearTimeout(t);
 325                     $("a.thumbnail").children('img').hide();
 326                     $(this).closest(".entry-title").removeClass('ov');
 327                 }
 328             );
 329         },
 330
 331         NoticeDataAttach: function() {
 332             NDA = $('#'+SN.C.S.NoticeDataAttach);
 333             NDA.change(function() {
 334                 S = '<div id="'+SN.C.S.NoticeDataAttachSelected+'" class="'+SN.C.S.Success+'"><code>'+$(this).val()+'</code> <button>&#215;</button></div>';
 335                 NDAS = $('#'+SN.C.S.NoticeDataAttachSelected);
 336                 (NDAS.length > 0) ? NDAS.replaceWith(S) : $('#'+SN.C.S.FormNotice).append(S);
 337                 $('#'+SN.C.S.NoticeDataAttachSelected+' button').click(function(){
 338                     $('#'+SN.C.S.NoticeDataAttachSelected).remove();
 339                     NDA.val('');
 340                 });
 341             });
 342         }
 343     }
 344 }