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