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             NoticeLat: 'notice_data-lat',
  51             NoticeLon: 'notice_data-lon',
  52             NoticeLocationId: 'notice_data-location_id',
  53             NoticeLocationNs: 'notice_data-location_ns',
  54             NoticeLocationName: 'notice_data-location_name',
  55             NoticeLocationCookieName: 'location_enabled'
  56         }
  57     },
  58
  59     U: { // Utils
  60         FormNoticeEnhancements: function(form) {
  61             form_id = form.attr('id');
  62
  63             if (jQuery.data(form[0], 'ElementData') === undefined) {
  64                 MaxLength = $('#'+form_id+' #'+SN.C.S.NoticeTextCount).text();
  65                 if (typeof(MaxLength) == 'undefined') {
  66                      MaxLength = SN.C.I.MaxLength;
  67                 }
  68                 jQuery.data(form[0], 'ElementData', {MaxLength:MaxLength});
  69
  70                 SN.U.Counter(form);
  71
  72                 NDT = $('#'+form_id+' #'+SN.C.S.NoticeDataText);
  73
  74                 NDT.bind('keyup', function(e) {
  75                     SN.U.Counter(form);
  76                 });
  77
  78                 NDT.bind('keydown', function(e) {
  79                     SN.U.SubmitOnReturn(e, form);
  80                 });
  81             }
  82             else {
  83                 $('#'+form_id+' #'+SN.C.S.NoticeTextCount).text(jQuery.data(form[0], 'ElementData').MaxLength);
  84             }
  85
  86             if ($('body')[0].id != 'conversation') {
  87                 $('#'+form_id+' textarea').focus();
  88             }
  89         },
  90
  91         SubmitOnReturn: function(event, el) {
  92             if (event.keyCode == 13 || event.keyCode == 10) {
  93                 el.submit();
  94                 event.preventDefault();
  95                 event.stopPropagation();
  96                 $('#'+el[0].id+' #'+SN.C.S.NoticeDataText).blur();
  97                 $('body').focus();
  98                 return false;
  99             }
 100             return true;
 101         },
 102
 103         Counter: function(form) {
 104             SN.C.I.FormNoticeCurrent = form;
 105             form_id = form.attr('id');
 106
 107             var MaxLength = jQuery.data(form[0], 'ElementData').MaxLength;
 108
 109             if (MaxLength <= 0) {
 110                 return;
 111             }
 112
 113             var remaining = MaxLength - $('#'+form_id+' #'+SN.C.S.NoticeDataText).val().length;
 114             var counter = $('#'+form_id+' #'+SN.C.S.NoticeTextCount);
 115
 116             if (remaining.toString() != counter.text()) {
 117                 if (!SN.C.I.CounterBlackout || remaining === 0) {
 118                     if (counter.text() != String(remaining)) {
 119                         counter.text(remaining);
 120                     }
 121                     if (remaining < 0) {
 122                         form.addClass(SN.C.S.Warning);
 123                     } else {
 124                         form.removeClass(SN.C.S.Warning);
 125                     }
 126                     // Skip updates for the next 500ms.
 127                     // On slower hardware, updating on every keypress is unpleasant.
 128                     if (!SN.C.I.CounterBlackout) {
 129                         SN.C.I.CounterBlackout = true;
 130                         SN.C.I.FormNoticeCurrent = form;
 131                         window.setTimeout("SN.U.ClearCounterBlackout(SN.C.I.FormNoticeCurrent);", 500);
 132                     }
 133                 }
 134             }
 135         },
 136
 137         ClearCounterBlackout: function(form) {
 138             // Allow keyup events to poke the counter again
 139             SN.C.I.CounterBlackout = false;
 140             // Check if the string changed since we last looked
 141             SN.U.Counter(form);
 142         },
 143
 144         FormXHR: function(f) {
 145             if (jQuery.data(f[0], "ElementData") === undefined) {
 146                 jQuery.data(f[0], "ElementData", {Bind:'submit'});
 147                 f.bind('submit', function(e) {
 148                     form_id = $(this)[0].id;
 149                     $.ajax({
 150                         type: 'POST',
 151                         dataType: 'xml',
 152                         url: $(this)[0].action,
 153                         data: $(this).serialize() + '&ajax=1',
 154                         beforeSend: function(xhr) {
 155                             $('#'+form_id).addClass(SN.C.S.Processing);
 156                             $('#'+form_id+' .submit').addClass(SN.C.S.Disabled);
 157                             $('#'+form_id+' .submit').attr(SN.C.S.Disabled, SN.C.S.Disabled);
 158                         },
 159                         error: function (xhr, textStatus, errorThrown) {
 160                             alert(errorThrown || textStatus);
 161                         },
 162                         success: function(data, textStatus) {
 163                             if (typeof($('form', data)[0]) != 'undefined') {
 164                                 form_new = document._importNode($('form', data)[0], true);
 165                                 $('#'+form_id).replaceWith(form_new);
 166                                 $('#'+form_new.id).each(function() { SN.U.FormXHR($(this)); });
 167                             }
 168                             else {
 169                                 $('#'+form_id).replaceWith(document._importNode($('p', data)[0], true));
 170                             }
 171                         }
 172                     });
 173                     return false;
 174                 });
 175             }
 176         },
 177
 178         FormNoticeXHR: function(form) {
 179             form_id = form.attr('id');
 180             form.append('<input type="hidden" name="ajax" value="1"/>');
 181             form.ajaxForm({
 182                 dataType: 'xml',
 183                 timeout: '60000',
 184                 beforeSend: function(xhr) {
 185                     if ($('#'+form_id+' #'+SN.C.S.NoticeDataText)[0].value.length === 0) {
 186                         form.addClass(SN.C.S.Warning);
 187                         return false;
 188                     }
 189                     form.addClass(SN.C.S.Processing);
 190                     $('#'+form_id+' #'+SN.C.S.NoticeActionSubmit).addClass(SN.C.S.Disabled);
 191                     $('#'+form_id+' #'+SN.C.S.NoticeActionSubmit).attr(SN.C.S.Disabled, SN.C.S.Disabled);
 192                     return true;
 193                 },
 194                 error: function (xhr, textStatus, errorThrown) {
 195                     form.removeClass(SN.C.S.Processing);
 196                     $('#'+form_id+' #'+SN.C.S.NoticeActionSubmit).removeClass(SN.C.S.Disabled);
 197                     $('#'+form_id+' #'+SN.C.S.NoticeActionSubmit).removeAttr(SN.C.S.Disabled, SN.C.S.Disabled);
 198                     $('#'+form_id+' .form_response').remove();
 199                     if (textStatus == 'timeout') {
 200                         form.append('<p class="form_response error">Sorry! We had trouble sending your notice. The servers are overloaded. Please try again, and contact the site administrator if this problem persists.</p>');
 201                     }
 202                     else {
 203                         if ($('.'+SN.C.S.Error, xhr.responseXML).length > 0) {
 204                             form.append(document._importNode($('.'+SN.C.S.Error, xhr.responseXML)[0], true));
 205                         }
 206                         else {
 207                             if (parseInt(xhr.status) === 0 || jQuery.inArray(parseInt(xhr.status), SN.C.I.HTTP20x30x) >= 0) {
 208                                 $('#'+form_id).resetForm();
 209                                 $('#'+form_id+' #'+SN.C.S.NoticeDataAttachSelected).remove();
 210                                 SN.U.FormNoticeEnhancements($('#'+form_id));
 211                             }
 212                             else {
 213                                 form.append('<p class="form_response error">(Sorry! We had trouble sending your notice ('+xhr.status+' '+xhr.statusText+'). Please report the problem to the site administrator if this happens again.</p>');
 214                             }
 215                         }
 216                     }
 217                 },
 218                 success: function(data, textStatus) {
 219                     $('#'+form_id+' .form_response').remove();
 220                     var result;
 221                     if ($('#'+SN.C.S.Error, data).length > 0) {
 222                         result = document._importNode($('p', data)[0], true);
 223                         result = result.textContent || result.innerHTML;
 224                         form.append('<p class="form_response error">'+result+'</p>');
 225                     }
 226                     else {
 227                         if($('body')[0].id == 'bookmarklet') {
 228                             self.close();
 229                         }
 230
 231                         if ($('#'+SN.C.S.CommandResult, data).length > 0) {
 232                             result = document._importNode($('p', data)[0], true);
 233                             result = result.textContent || result.innerHTML;
 234                             form.append('<p class="form_response success">'+result+'</p>');
 235                         }
 236                         else {
 237                             var notices = $('#notices_primary .notices');
 238                             if (notices.length > 0) {
 239                                 var notice = document._importNode($('li', data)[0], true);
 240                                 if ($('#'+notice.id).length === 0) {
 241                                     var notice_irt_value = $('#'+SN.C.S.NoticeInReplyTo).val();
 242                                     var notice_irt = '#notices_primary #notice-'+notice_irt_value;
 243                                     if($('body')[0].id == 'conversation') {
 244                                         if(notice_irt_value.length > 0 && $(notice_irt+' .notices').length < 1) {
 245                                             $(notice_irt).append('<ul class="notices"></ul>');
 246                                         }
 247                                         $($(notice_irt+' .notices')[0]).append(notice);
 248                                     }
 249                                     else {
 250                                         notices.prepend(notice);
 251                                     }
 252                                     $('#'+notice.id).css({display:'none'});
 253                                     $('#'+notice.id).fadeIn(2500);
 254                                     SN.U.NoticeWithAttachment($('#'+notice.id));
 255                                     SN.U.NoticeReplyTo($('#'+notice.id));
 256                                     SN.U.FormXHR($('#'+notice.id+' .form_favor'));
 257                                 }
 258                             }
 259                             else {
 260                                 result = document._importNode($('title', data)[0], true);
 261                                 result_title = result.textContent || result.innerHTML;
 262                                 form.append('<p class="form_response success">'+result_title+'</p>');
 263                             }
 264                         }
 265                         $('#'+form_id).resetForm();
 266                         $('#'+form_id+' #'+SN.C.S.NoticeDataAttachSelected).remove();
 267                         SN.U.FormNoticeEnhancements($('#'+form_id));
 268                     }
 269                 },
 270                 complete: function(xhr, textStatus) {
 271                     form.removeClass(SN.C.S.Processing);
 272                     $('#'+form_id+' #'+SN.C.S.NoticeActionSubmit).removeAttr(SN.C.S.Disabled);
 273                     $('#'+form_id+' #'+SN.C.S.NoticeActionSubmit).removeClass(SN.C.S.Disabled);
 274                 }
 275             });
 276         },
 277
 278         NoticeReply: function() {
 279             if ($('#'+SN.C.S.NoticeDataText).length > 0 && $('#content .notice_reply').length > 0) {
 280                 $('#content .notice').each(function() { SN.U.NoticeReplyTo($(this)); });
 281             }
 282         },
 283
 284         NoticeReplyTo: function(notice_item) {
 285             var notice = notice_item[0];
 286             var notice_reply = $('.notice_reply', notice)[0];
 287
 288             if (jQuery.data(notice_reply, "ElementData") === undefined) {
 289                 jQuery.data(notice_reply, "ElementData", {Bind:'submit'});
 290                 $(notice_reply).bind('click', function() {
 291                     var nickname = ($('.author .nickname', notice).length > 0) ? $($('.author .nickname', notice)[0]) : $('.author .nickname.uid');
 292                     SN.U.NoticeReplySet(nickname.text(), $($('.notice_id', notice)[0]).text());
 293                     return false;
 294                 });
 295             }
 296         },
 297
 298         NoticeReplySet: function(nick,id) {
 299             if (nick.match(SN.C.I.PatternUsername)) {
 300                 var text = $('#'+SN.C.S.NoticeDataText);
 301                 if (text.length > 0) {
 302                     replyto = '@' + nick + ' ';
 303                     text.val(replyto + text.val().replace(RegExp(replyto, 'i'), ''));
 304                     $('#'+SN.C.S.FormNotice+' #'+SN.C.S.NoticeInReplyTo).val(id);
 305
 306                     text[0].focus();
 307                     if (text[0].setSelectionRange) {
 308                         var len = text.val().length;
 309                         text[0].setSelectionRange(len,len);
 310                     }
 311                 }
 312             }
 313         },
 314
 315         NoticeFavor: function() {
 316             $('.form_favor').each(function() { SN.U.FormXHR($(this)); });
 317             $('.form_disfavor').each(function() { SN.U.FormXHR($(this)); });
 318         },
 319
 320         NoticeRepeat: function() {
 321             $('.form_repeat').each(function() {
 322                 SN.U.FormXHR($(this));
 323                 SN.U.NoticeRepeatConfirmation($(this));
 324             });
 325         },
 326
 327         NoticeRepeatConfirmation: function(form) {
 328             function NRC() {
 329                 form.closest('.notice-options').addClass('opaque');
 330                 form.addClass('dialogbox');
 331
 332                 form.append('<button class="close">&#215;</button>');
 333                 form.find('button.close').click(function(){
 334                     $(this).remove();
 335
 336                     form.closest('.notice-options').removeClass('opaque');
 337                     form.removeClass('dialogbox');
 338                     form.find('.submit_dialogbox').remove();
 339                     form.find('.submit').show();
 340
 341                     return false;
 342                 });
 343             };
 344
 345             form.find('.submit').bind('click', function(e) {
 346                 e.preventDefault();
 347
 348                 var submit = form.find('.submit').clone();
 349                 submit.addClass('submit_dialogbox');
 350                 submit.removeClass('submit');
 351                 form.append(submit);
 352
 353                 $(this).hide();
 354
 355                 NRC();
 356             });
 357         },
 358
 359         NoticeAttachments: function() {
 360             $('.notice a.attachment').each(function() {
 361                 SN.U.NoticeWithAttachment($(this).closest('.notice'));
 362             });
 363         },
 364
 365         NoticeWithAttachment: function(notice) {
 366             if ($('.attachment', notice).length === 0) {
 367                 return;
 368             }
 369
 370             var notice_id = notice.attr('id');
 371
 372             $.fn.jOverlay.options = {
 373                 method : 'GET',
 374                 data : '',
 375                 url : '',
 376                 color : '#000',
 377                 opacity : '0.6',
 378                 zIndex : 9999,
 379                 center : false,
 380                 imgLoading : $('address .url')[0].href+'theme/base/images/illustrations/illu_progress_loading-01.gif',
 381                 bgClickToClose : true,
 382                 success : function() {
 383                     $('#jOverlayContent').append('<button class="close">&#215;</button>');
 384                     $('#jOverlayContent button').click($.closeOverlay);
 385                 },
 386                 timeout : 0,
 387                 autoHide : true,
 388                 css : {'max-width':'542px', 'top':'5%', 'left':'32.5%'}
 389             };
 390
 391             $('#'+notice_id+' a.attachment').click(function() {
 392                 $().jOverlay({url: $('address .url')[0].href+'attachment/' + ($(this).attr('id').substring('attachment'.length + 1)) + '/ajax'});
 393                 return false;
 394             });
 395
 396             var t;
 397             $("body:not(#shownotice) #"+notice_id+" a.thumbnail").hover(
 398                 function() {
 399                     var anchor = $(this);
 400                     $("a.thumbnail").children('img').hide();
 401                     anchor.closest(".entry-title").addClass('ov');
 402
 403                     if (anchor.children('img').length === 0) {
 404                         t = setTimeout(function() {
 405                             $.get($('address .url')[0].href+'attachment/' + (anchor.attr('id').substring('attachment'.length + 1)) + '/thumbnail', null, function(data) {
 406                                 anchor.append(data);
 407                             });
 408                         }, 500);
 409                     }
 410                     else {
 411                         anchor.children('img').show();
 412                     }
 413                 },
 414                 function() {
 415                     clearTimeout(t);
 416                     $("a.thumbnail").children('img').hide();
 417                     $(this).closest(".entry-title").removeClass('ov');
 418                 }
 419             );
 420         },
 421
 422         NoticeDataAttach: function() {
 423             NDA = $('#'+SN.C.S.NoticeDataAttach);
 424             NDA.change(function() {
 425                 S = '<div id="'+SN.C.S.NoticeDataAttachSelected+'" class="'+SN.C.S.Success+'"><code>'+$(this).val()+'</code> <button class="close">&#215;</button></div>';
 426                 NDAS = $('#'+SN.C.S.NoticeDataAttachSelected);
 427                 if (NDAS.length > 0) {
 428                     NDAS.replaceWith(S);
 429                 }
 430                 else {
 431                     $('#'+SN.C.S.FormNotice).append(S);
 432                 }
 433                 $('#'+SN.C.S.NoticeDataAttachSelected+' button').click(function(){
 434                     $('#'+SN.C.S.NoticeDataAttachSelected).remove();
 435                     NDA.val('');
 436                 });
 437             });
 438         },
 439
 440         NoticeLocationAttach: function() {
 441             if ($('#notice_data-location_enabled').length > 0) {
 442                 if (navigator.geolocation) {
 443                     $('#notice_data-location_enabled').change(function() {
 444                         $.cookie(SN.C.S.NoticeLocationCookieName, $('#notice_data-location_enabled').attr('checked'));
 445                         if($('#notice_data-location_enabled').attr('checked')) {
 446                             $('#'+SN.C.S.NoticeLocationName).show();
 447                             $('#'+SN.C.S.NoticeLocationName).addClass('processing');
 448                             navigator.geolocation.getCurrentPosition(function(position) {
 449                                 $('#'+SN.C.S.NoticeLat).val(position.coords.latitude);
 450                                 $('#'+SN.C.S.NoticeLon).val(position.coords.longitude);
 451                                 var data = {'lat': position.coords.latitude,'lon': position.coords.longitude, 'token': $('#token').val()};
 452                                 $.getJSON($('#notice_data-location_enabled_container').attr('data-geocode-url'), data,function(location) {
 453                                     $('#'+SN.C.S.NoticeLocationName).removeClass('processing');
 454                                     if(typeof(location.location_ns)!="undefined") $('#'+SN.C.S.NoticeLocationNs).val(location.location_ns);
 455                                     if(typeof(location.location_id)!="undefined") $('#'+SN.C.S.NoticeLocationId).val(location.location_id);
 456                                     if(typeof(location.name)=="undefined") {
 457                                         $('#'+SN.C.S.NoticeLocationName).text(position.coords.latitude + ' ' + position.coords.longitude);
 458                                     } else {
 459                                         $('#'+SN.C.S.NoticeLocationName).text(location.name);
 460                                         $('#'+SN.C.S.NoticeLocationName).attr('href',location.url);
 461                                     }
 462                                 });
 463                             });
 464                         } else {
 465                             $('#'+SN.C.S.NoticeLocationName).hide();
 466                             $('#'+SN.C.S.NoticeLat).val("");
 467                             $('#'+SN.C.S.NoticeLon).val("");
 468                             $('#'+SN.C.S.NoticeLocationNs).val("");
 469                             $('#'+SN.C.S.NoticeLocationId).val("");
 470                         }
 471                     });
 472                     var cookieVal = $.cookie(SN.C.S.NoticeLocationCookieName);
 473                     $('#notice_data-location_enabled').attr('checked',(cookieVal == null || cookieVal == 'true'));
 474                     $('#notice_data-location_enabled').change();
 475                 }
 476             }
 477         },
 478
 479         NewDirectMessage: function() {
 480             NDM = $('.entity_send-a-message a');
 481             NDM.attr({'href':NDM.attr('href')+'&ajax=1'});
 482             NDM.bind('click', function() {
 483                 var NDMF = $('.entity_send-a-message form');
 484                 if (NDMF.length === 0) {
 485                     $(this).addClass('processing');
 486                     $.get(NDM.attr('href'), null, function(data) {
 487                         $('.entity_send-a-message').append(document._importNode($('form', data)[0], true));
 488                         NDMF = $('.entity_send-a-message .form_notice');
 489                         SN.U.FormNoticeXHR(NDMF);
 490                         SN.U.FormNoticeEnhancements(NDMF);
 491                         NDMF.append('<button class="close">&#215;</button>');
 492                         $('.entity_send-a-message button').click(function(){
 493                             NDMF.hide();
 494                             return false;
 495                         });
 496                         NDM.removeClass('processing');
 497                     });
 498                 }
 499                 else {
 500                     NDMF.show();
 501                     $('.entity_send-a-message textarea').focus();
 502                 }
 503                 return false;
 504             });
 505         }
 506     },
 507
 508     Init: {
 509         NoticeForm: function() {
 510             if ($('body.user_in').length > 0) {
 511                 $('.'+SN.C.S.FormNotice).each(function() {
 512                     SN.U.FormNoticeXHR($(this));
 513                     SN.U.FormNoticeEnhancements($(this));
 514                 });
 515
 516                 SN.U.NoticeDataAttach();
 517                 SN.U.NoticeLocationAttach();
 518             }
 519         },
 520
 521         Notices: function() {
 522             if ($('body.user_in').length > 0) {
 523                 SN.U.NoticeFavor();
 524                 SN.U.NoticeRepeat();
 525                 SN.U.NoticeReply();
 526             }
 527
 528             SN.U.NoticeAttachments();
 529         },
 530
 531         EntityActions: function() {
 532             if ($('body.user_in').length > 0) {
 533                 $('.form_user_subscribe').each(function() { SN.U.FormXHR($(this)); });
 534                 $('.form_user_unsubscribe').each(function() { SN.U.FormXHR($(this)); });
 535                 $('.form_group_join').each(function() { SN.U.FormXHR($(this)); });
 536                 $('.form_group_leave').each(function() { SN.U.FormXHR($(this)); });
 537                 $('.form_user_nudge').each(function() { SN.U.FormXHR($(this)); });
 538
 539                 SN.U.NewDirectMessage();
 540             }
 541         }
 542     }
 543 };
 544
 545 $(document).ready(function(){
 546     if ($('.'+SN.C.S.FormNotice).length > 0) {
 547         SN.Init.NoticeForm();
 548     }
 549     if ($('#content .notices').length > 0) {
 550         SN.Init.Notices();
 551     }
 552     if ($('#content .entity_actions').length > 0) {
 553         SN.Init.EntityActions();
 554     }
 555 });
 556