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