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  * @category  UI interaction
  19  * @package   StatusNet
  20  * @author    Sarven Capadisli <csarven@status.net>
  21  * @author    Evan Prodromou <evan@status.net>
  22  * @copyright 2009 StatusNet, Inc.
  23  * @license   http://www.fsf.org/licensing/licenses/agpl-3.0.html GNU Affero General Public License version 3.0
  24  * @link      http://status.net/
  25  */
  26
  27 var SN = { // StatusNet
  28     C: { // Config
  29         I: { // Init
  30             CounterBlackout: false,
  31             MaxLength: 140,
  32             PatternUsername: /^[0-9a-zA-Z\-_.]*$/,
  33             HTTP20x30x: [200, 201, 202, 203, 204, 205, 206, 300, 301, 302, 303, 304, 305, 306, 307]
  34         },
  35
  36         S: { // Selector
  37             Disabled: 'disabled',
  38             Warning: 'warning',
  39             Error: 'error',
  40             Success: 'success',
  41             Processing: 'processing',
  42             CommandResult: 'command_result',
  43             FormNotice: 'form_notice',
  44             NoticeDataText: 'notice_data-text',
  45             NoticeTextCount: 'notice_text-count',
  46             NoticeInReplyTo: 'notice_in-reply-to',
  47             NoticeDataAttach: 'notice_data-attach',
  48             NoticeDataAttachSelected: 'notice_data-attach_selected',
  49             NoticeActionSubmit: 'notice_action-submit'
  50         }
  51     },
  52
  53     U: { // Utils
  54         FormNoticeEnhancements: function(form) {
  55             form_id = form.attr('id');
  56             if (maxLength > 0) {
  57                 $('#'+form_id+' #'+SN.C.S.NoticeDataText).bind('keyup', function(e) {
  58                     SN.U.Counter(form);
  59                 });
  60                 // run once in case there's something in there
  61                 SN.U.Counter(form);
  62             }
  63
  64             $('#'+form_id+' #'+SN.C.S.NoticeDataText).bind('keydown', function(e) {
  65                 SN.U.SubmitOnReturn(e, form);
  66             });
  67
  68             if($('body')[0].id != 'conversation') {
  69                 $('#'+form_id+' textarea').focus();
  70             }
  71
  72             SN.U.FormNoticeXHR(form);
  73         },
  74
  75         SubmitOnReturn: function(event, el) {
  76             if (event.keyCode == 13 || event.keyCode == 10) {
  77                 el.submit();
  78                 event.preventDefault();
  79                 event.stopPropagation();
  80                 $('#'+el[0].id+' #'+SN.C.S.NoticeDataText).blur();
  81                 $('body').focus();
  82                 return false;
  83             }
  84             return true;
  85         },
  86
  87         Counter: function(form) {
  88             SN.C.I.FormNoticeCurrent = form;
  89             form_id = form.attr('id');
  90             if (typeof(maxLength) == "undefined") {
  91                  maxLength = SN.C.I.MaxLength;
  92             }
  93
  94             if (maxLength <= 0) {
  95                 return;
  96             }
  97
  98             var remaining = maxLength - $('#'+form_id+' #'+SN.C.S.NoticeDataText).val().length;
  99             var counter = $('#'+form_id+' #'+SN.C.S.NoticeTextCount);
 100
 101             if (remaining.toString() != counter.text()) {
 102                 if (!SN.C.I.CounterBlackout || remaining === 0) {
 103                     if (counter.text() != String(remaining)) {
 104                         counter.text(remaining);
 105                     }
 106                     if (remaining < 0) {
 107                         form.addClass(SN.C.S.Warning);
 108                     } else {
 109                         form.removeClass(SN.C.S.Warning);
 110                     }
 111                     // Skip updates for the next 500ms.
 112                     // On slower hardware, updating on every keypress is unpleasant.
 113                     if (!SN.C.I.CounterBlackout) {
 114                         SN.C.I.CounterBlackout = true;
 115                         SN.C.I.FormNoticeCurrent = form;
 116                         window.setTimeout("SN.U.ClearCounterBlackout(SN.C.I.FormNoticeCurrent);", 500);
 117                     }
 118                 }
 119             }
 120         },
 121
 122         ClearCounterBlackout: function(form) {
 123             // Allow keyup events to poke the counter again
 124             SN.C.I.CounterBlackout = false;
 125             // Check if the string changed since we last looked
 126             SN.U.Counter(form);
 127         },
 128
 129         FormXHR: function(f) {
 130             f.bind('submit', function(e) {
 131                 form_id = $(this)[0].id;
 132                 $.ajax({
 133                     type: 'POST',
 134                     dataType: 'xml',
 135                     url: $(this)[0].action,
 136                     data: $(this).serialize() + '&ajax=1',
 137                     beforeSend: function(xhr) {
 138                         $('#'+form_id).addClass(SN.C.S.Processing);
 139                         $('#'+form_id+' .submit').addClass(SN.C.S.Disabled);
 140                         $('#'+form_id+' .submit').attr(SN.C.S.Disabled, SN.C.S.Disabled);
 141                     },
 142                     error: function (xhr, textStatus, errorThrown) {
 143                         alert(errorThrown || textStatus);
 144                     },
 145                     success: function(data, textStatus) {
 146                         if (typeof($('form', data)[0]) != 'undefined') {
 147                             form_new = document._importNode($('form', data)[0], true);
 148                             $('#'+form_id).replaceWith(form_new);
 149                             $('#'+form_new.id).each(function() { SN.U.FormXHR($(this)); });
 150                         }
 151                         else {
 152                             $('#'+form_id).replaceWith(document._importNode($('p', data)[0], true));
 153                         }
 154                     }
 155                 });
 156                 return false;
 157             });
 158         },
 159
 160         FormNoticeXHR: function(form) {
 161             form_id = form.attr('id');
 162             form.append('<input type="hidden" name="ajax" value="1"/>');
 163             form.ajaxForm({
 164                 dataType: 'xml',
 165                 timeout: '60000',
 166                 beforeSend: function(xhr) {
 167                     if ($('#'+form_id+' #'+SN.C.S.NoticeDataText)[0].value.length === 0) {
 168                         form.addClass(SN.C.S.Warning);
 169                         return false;
 170                     }
 171                     form.addClass(SN.C.S.Processing);
 172                     $('#'+form_id+' #'+SN.C.S.NoticeActionSubmit).addClass(SN.C.S.Disabled);
 173                     $('#'+form_id+' #'+SN.C.S.NoticeActionSubmit).attr(SN.C.S.Disabled, SN.C.S.Disabled);
 174                     return true;
 175                 },
 176                 error: function (xhr, textStatus, errorThrown) {
 177                     form.removeClass(SN.C.S.Processing);
 178                     $('#'+form_id+' #'+SN.C.S.NoticeActionSubmit).removeClass(SN.C.S.Disabled);
 179                     $('#'+form_id+' #'+SN.C.S.NoticeActionSubmit).removeAttr(SN.C.S.Disabled, SN.C.S.Disabled);
 180                     if (textStatus == 'timeout') {
 181                         alert ('Sorry! We had trouble sending your notice. The servers are overloaded. Please try again, and contact the site administrator if this problem persists');
 182                     }
 183                     else {
 184                         if ($('.'+SN.C.S.Error, xhr.responseXML).length > 0) {
 185                             form.append(document._importNode($('.'+SN.C.S.Error, xhr.responseXML)[0], true));
 186                         }
 187                         else {
 188                             if(jQuery.inArray(parseInt(xhr.status), SN.C.I.HTTP20x30x) < 0) {
 189                                 alert('Sorry! We had trouble sending your notice ('+xhr.status+' '+xhr.statusText+'). Please report the problem to the site administrator if this happens again.');
 190                             }
 191                             else {
 192                                 $('#'+form_id+' #'+SN.C.S.NoticeDataText).val('');
 193                                 SN.U.FormNoticeEnhancements($('#'+SN.C.S.FormNotice));
 194                             }
 195                         }
 196                     }
 197                 },
 198                 success: function(data, textStatus) {
 199                     var result;
 200                     if ($('#'+SN.C.S.Error, data).length > 0) {
 201                         result = document._importNode($('p', data)[0], true);
 202                         alert(result.textContent || result.innerHTML);
 203                     }
 204                     else {
 205                         if($('body')[0].id == 'bookmarklet') {
 206                             self.close();
 207                         }
 208
 209                         if ($('#'+SN.C.S.CommandResult, data).length > 0) {
 210                             result = document._importNode($('p', data)[0], true);
 211                             alert(result.textContent || result.innerHTML);
 212                         }
 213                         else {
 214                              notice = document._importNode($('li', data)[0], true);
 215                              if ($('#'+notice.id).length === 0) {
 216                                 var notice_irt_value = $('#'+SN.C.S.NoticeInReplyTo).val();
 217                                 var notice_irt = '#notices_primary #notice-'+notice_irt_value;
 218                                 if($('body')[0].id == 'conversation') {
 219                                     if(notice_irt_value.length > 0 && $(notice_irt+' .notices').length < 1) {
 220                                         $(notice_irt).append('<ul class="notices"></ul>');
 221                                     }
 222                                     $($(notice_irt+' .notices')[0]).append(notice);
 223                                 }
 224                                 else {
 225                                     $("#notices_primary .notices").prepend(notice);
 226                                 }
 227                                 $('#'+notice.id).css({display:'none'});
 228                                 $('#'+notice.id).fadeIn(2500);
 229                                 SN.U.NoticeAttachments();
 230                                 SN.U.NoticeReply();
 231                              }
 232                         }
 233                         $('#'+form_id+' #'+SN.C.S.NoticeDataText).val('');
 234                         $('#'+form_id+' #'+SN.C.S.NoticeDataAttach).val('');
 235                         $('#'+form_id+' #'+SN.C.S.NoticeInReplyTo).val('');
 236                         $('#'+form_id+' #'+SN.C.S.NoticeDataAttachSelected).remove();
 237                         SN.U.FormNoticeEnhancements(form);
 238                     }
 239                 },
 240                 complete: function(xhr, textStatus) {
 241                     form.removeClass(SN.C.S.Processing);
 242                     $('#'+form_id+' #'+SN.C.S.NoticeActionSubmit).removeAttr(SN.C.S.Disabled);
 243                     $('#'+form_id+' #'+SN.C.S.NoticeActionSubmit).removeClass(SN.C.S.Disabled);
 244                 }
 245             });
 246         },
 247
 248         NoticeReply: function() {
 249             if ($('#'+SN.C.S.NoticeDataText).length > 0 && $('#content .notice_reply').length > 0) {
 250                 $('#content .notice').each(function() {
 251                     var notice = $(this)[0];
 252                     $($('.notice_reply', notice)[0]).click(function() {
 253                         var nickname = ($('.author .nickname', notice).length > 0) ? $($('.author .nickname', notice)[0]) : $('.author .nickname.uid');
 254                         SN.U.NoticeReplySet(nickname.text(), $($('.notice_id', notice)[0]).text());
 255                         return false;
 256                     });
 257                 });
 258             }
 259         },
 260
 261         NoticeReplySet: function(nick,id) {
 262             if (nick.match(SN.C.I.PatternUsername)) {
 263                 var text = $('#'+SN.C.S.NoticeDataText);
 264                 if (text.length) {
 265                     replyto = '@' + nick + ' ';
 266                     text.val(replyto + text.val().replace(RegExp(replyto, 'i'), ''));
 267                     $('#'+SN.C.S.FormNotice+' input#'+SN.C.S.NoticeInReplyTo).val(id);
 268                     if (text[0].setSelectionRange) {
 269                         var len = text.val().length;
 270                         text[0].setSelectionRange(len,len);
 271                         text[0].focus();
 272                     }
 273                     return false;
 274                 }
 275             }
 276             return true;
 277         },
 278
 279         NoticeAttachments: function() {
 280             $.fn.jOverlay.options = {
 281                 method : 'GET',
 282                 data : '',
 283                 url : '',
 284                 color : '#000',
 285                 opacity : '0.6',
 286                 zIndex : 99,
 287                 center : false,
 288                 imgLoading : $('address .url')[0].href+'theme/base/images/illustrations/illu_progress_loading-01.gif',
 289                 bgClickToClose : true,
 290                 success : function() {
 291                     $('#jOverlayContent').append('<button class="close">&#215;</button>');
 292                     $('#jOverlayContent button').click($.closeOverlay);
 293                 },
 294                 timeout : 0,
 295                 autoHide : true,
 296                 css : {'max-width':'542px', 'top':'5%', 'left':'32.5%'}
 297             };
 298
 299             $('#content .notice a.attachment').click(function() {
 300                 $().jOverlay({url: $('address .url')[0].href+'attachment/' + ($(this).attr('id').substring('attachment'.length + 1)) + '/ajax'});
 301                 return false;
 302             });
 303
 304             var t;
 305             $("body:not(#shownotice) #content .notice a.thumbnail").hover(
 306                 function() {
 307                     var anchor = $(this);
 308                     $("a.thumbnail").children('img').hide();
 309                     anchor.closest(".entry-title").addClass('ov');
 310
 311                     if (anchor.children('img').length === 0) {
 312                         t = setTimeout(function() {
 313                             $.get($('address .url')[0].href+'attachment/' + (anchor.attr('id').substring('attachment'.length + 1)) + '/thumbnail', null, function(data) {
 314                                 anchor.append(data);
 315                             });
 316                         }, 500);
 317                     }
 318                     else {
 319                         anchor.children('img').show();
 320                     }
 321                 },
 322                 function() {
 323                     clearTimeout(t);
 324                     $("a.thumbnail").children('img').hide();
 325                     $(this).closest(".entry-title").removeClass('ov');
 326                 }
 327             );
 328         },
 329
 330         NoticeDataAttach: function() {
 331             NDA = $('#'+SN.C.S.NoticeDataAttach);
 332             NDA.change(function() {
 333                 S = '<div id="'+SN.C.S.NoticeDataAttachSelected+'" class="'+SN.C.S.Success+'"><code>'+$(this).val()+'</code> <button class="close">&#215;</button></div>';
 334                 NDAS = $('#'+SN.C.S.NoticeDataAttachSelected);
 335                 if (NDAS.length > 0) {
 336                     NDAS.replaceWith(S);
 337                 }
 338                 else {
 339                     $('#'+SN.C.S.FormNotice).append(S);
 340                 }
 341                 $('#'+SN.C.S.NoticeDataAttachSelected+' button').click(function(){
 342                     $('#'+SN.C.S.NoticeDataAttachSelected).remove();
 343                     NDA.val('');
 344                 });
 345             });
 346         },
 347
 348         NewDirectMessage: function() {
 349             NDM = $('.entity_send-a-message a');
 350             NDM.attr({'href':NDM.attr('href')+'&ajax=1'});
 351             NDM.click(function() {
 352                 var NDMF = $('.entity_send-a-message form');
 353                 if (NDMF.length === 0) {
 354                     $.get(NDM.attr('href'), null, function(data) {
 355                         $('.entity_send-a-message').append(document._importNode($('form', data)[0], true));
 356                         NDMF = $('.entity_send-a-message .form_notice');
 357                         SN.U.FormNoticeEnhancements(NDMF);
 358                         NDMF.append('<button class="close">&#215;</button>');
 359                         $('.entity_send-a-message button').click(function(){
 360                             NDMF.hide();
 361                             return false;
 362                         });
 363                     });
 364                 }
 365                 else {
 366                     NDMF.show();
 367                     $('.entity_send-a-message textarea').focus();
 368                 }
 369                 return false;
 370             });
 371         }
 372     }
 373 };
 374
 375 $(document).ready(function(){
 376     if ($('body.user_in').length > 0) {
 377         $('.'+SN.C.S.FormNotice).each(function() { SN.U.FormNoticeEnhancements($(this)); });
 378
 379         $('.form_user_subscribe').each(function() { SN.U.FormXHR($(this)); });
 380         $('.form_user_unsubscribe').each(function() { SN.U.FormXHR($(this)); });
 381         $('.form_favor').each(function() { SN.U.FormXHR($(this)); });
 382         $('.form_disfavor').each(function() { SN.U.FormXHR($(this)); });
 383         $('.form_group_join').each(function() { SN.U.FormXHR($(this)); });
 384         $('.form_group_leave').each(function() { SN.U.FormXHR($(this)); });
 385         $('.form_user_nudge').each(function() { SN.U.FormXHR($(this)); });
 386
 387         SN.U.NoticeReply();
 388
 389         SN.U.NoticeDataAttach();
 390
 391         SN.U.NewDirectMessage();
 392     }
 393
 394     SN.U.NoticeAttachments();
 395 });
 396