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