js/util.js

   1 /*
   2  * Laconica - a distributed open-source microblogging tool
   3  * Copyright (C) 2008, Controlez-Vous, 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
  19 $(document).ready(function(){
  20         var counterBlackout = false;
  21
  22         // count character on keyup
  23         function counter(event){
  24                 var maxLength = 140;
  25                 var currentLength = $("#notice_data-text").val().length;
  26                 var remaining = maxLength - currentLength;
  27                 var counter = $("#notice_text-count");
  28
  29                 if (remaining.toString() != counter.text()) {
  30                     if (!counterBlackout || remaining == 0) {
  31                         if (counter.text() != String(remaining)) {
  32                             counter.text(remaining);
  33                         }
  34
  35                         if (remaining < 0) {
  36                             $("#form_notice").addClass("warning");
  37                         } else {
  38                             $("#form_notice").removeClass("warning");
  39                         }
  40                         // Skip updates for the next 500ms.
  41                         // On slower hardware, updating on every keypress is unpleasant.
  42                         if (!counterBlackout) {
  43                             counterBlackout = true;
  44                             window.setTimeout(clearCounterBlackout, 500);
  45                         }
  46                     }
  47                 }
  48         }
  49
  50         function clearCounterBlackout() {
  51                 // Allow keyup events to poke the counter again
  52                 counterBlackout = false;
  53                 // Check if the string changed since we last looked
  54                 counter(null);
  55         }
  56
  57         function submitonreturn(event) {
  58                 if (event.keyCode == 13 || event.keyCode == 10) {
  59                         // iPhone sends \n not \r for 'return'
  60                         $("#form_notice").submit();
  61                         event.preventDefault();
  62                         event.stopPropagation();
  63                         $("#notice_data-text").blur();
  64                         $("body").focus();
  65                         return false;
  66                 }
  67                 return true;
  68         }
  69
  70         if ($("#notice_data-text").length) {
  71                 $("#notice_data-text").bind("keyup", counter);
  72                 $("#notice_data-text").bind("keydown", submitonreturn);
  73
  74                 // run once in case there's something in there
  75                 counter();
  76
  77         if($('body')[0].id != 'conversation') {
  78             $("#notice_data-text").focus();
  79         }
  80         }
  81
  82         // XXX: refactor this code
  83
  84         var favoptions = { dataType: 'xml',
  85                                            success: function(xml) { var new_form = document._importNode($('form', xml).get(0), true);
  86                                                                                                 var dis = new_form.id;
  87                                                                                                 var fav = dis.replace('disfavor', 'favor');
  88                                                                                                 $('form#'+fav).replaceWith(new_form);
  89                                                                                                 $('form#'+dis).ajaxForm(disoptions).each(addAjaxHidden);
  90                                                                                           }
  91                                          };
  92
  93         var disoptions = { dataType: 'xml',
  94                                            success: function(xml) { var new_form = document._importNode($('form', xml).get(0), true);
  95                                                                                                 var fav = new_form.id;
  96                                                                                                 var dis = fav.replace('favor', 'disfavor');
  97                                                                                                 $('form#'+dis).replaceWith(new_form);
  98                                                                                                 $('form#'+fav).ajaxForm(favoptions).each(addAjaxHidden);
  99                                                                                           }
 100                                          };
 101
 102         var joinoptions = { dataType: 'xml',
 103                                            success: function(xml) { var new_form = document._importNode($('form', xml).get(0), true);
 104                                                                                                 var leave = new_form.id;
 105                                                                                                 var join = leave.replace('leave', 'join');
 106                                                                                                 $('form#'+join).replaceWith(new_form);
 107                                                                                                 $('form#'+leave).ajaxForm(leaveoptions).each(addAjaxHidden);
 108                                                                                           }
 109                                          };
 110
 111         var leaveoptions = { dataType: 'xml',
 112                                            success: function(xml) { var new_form = document._importNode($('form', xml).get(0), true);
 113                                                                                                 var join = new_form.id;
 114                                                                                                 var leave = join.replace('join', 'leave');
 115                                                                                                 $('form#'+leave).replaceWith(new_form);
 116                                                                                                 $('form#'+join).ajaxForm(joinoptions).each(addAjaxHidden);
 117                                                                                           }
 118                                          };
 119
 120         function addAjaxHidden() {
 121                 var ajax = document.createElement('input');
 122                 ajax.setAttribute('type', 'hidden');
 123                 ajax.setAttribute('name', 'ajax');
 124                 ajax.setAttribute('value', 1);
 125                 this.appendChild(ajax);
 126         }
 127
 128         $("form.form_favor").ajaxForm(favoptions);
 129         $("form.form_disfavor").ajaxForm(disoptions);
 130         $("form.form_group_join").ajaxForm(joinoptions);
 131         $("form.form_group_leave").ajaxForm(leaveoptions);
 132         $("form.form_favor").each(addAjaxHidden);
 133         $("form.form_disfavor").each(addAjaxHidden);
 134         $("form.form_group_join").each(addAjaxHidden);
 135         $("form.form_group_leave").each(addAjaxHidden);
 136
 137         $("#form_user_nudge").ajaxForm ({ dataType: 'xml',
 138                 beforeSubmit: function(xml) { $("#form_user_nudge input[type=submit]").attr("disabled", "disabled");
 139                                                                           $("#form_user_nudge input[type=submit]").addClass("disabled");
 140                                                                         },
 141                 success: function(xml) { $("#form_user_nudge").replaceWith(document._importNode($("#nudge_response", xml).get(0),true));
 142                                                              $("#form_user_nudge input[type=submit]").removeAttr("disabled");
 143                                                              $("#form_user_nudge input[type=submit]").removeClass("disabled");
 144                                                            }
 145          });
 146         $("#form_user_nudge").each(addAjaxHidden);
 147
 148         var Subscribe = { dataType: 'xml',
 149                                           beforeSubmit: function(formData, jqForm, options) { $(".form_user_subscribe input[type=submit]").attr("disabled", "disabled");
 150                                                                                                                                               $(".form_user_subscribe input[type=submit]").addClass("disabled");
 151                                                                                                                                             },
 152                                           success: function(xml) { var form_unsubscribe = document._importNode($('form', xml).get(0), true);
 153                                                                                            var form_unsubscribe_id = form_unsubscribe.id;
 154                                                                                            var form_subscribe_id = form_unsubscribe_id.replace('unsubscribe', 'subscribe');
 155                                                                                            $("form#"+form_subscribe_id).replaceWith(form_unsubscribe);
 156                                                                                            $("form#"+form_unsubscribe_id).ajaxForm(UnSubscribe).each(addAjaxHidden);
 157                                                                                            $("dd.subscribers").text(parseInt($("dd.subscribers").text())+1);
 158                                                                                            $(".form_user_subscribe input[type=submit]").removeAttr("disabled");
 159                                                                                            $(".form_user_subscribe input[type=submit]").removeClass("disabled");
 160                                                                                      }
 161                                         };
 162
 163         var UnSubscribe = { dataType: 'xml',
 164                                                 beforeSubmit: function(formData, jqForm, options) { $(".form_user_unsubscribe input[type=submit]").attr("disabled", "disabled");
 165                                                                                                                                                     $(".form_user_unsubscribe input[type=submit]").addClass("disabled");
 166                                                                                                                                                   },
 167                                             success: function(xml) { var form_subscribe = document._importNode($('form', xml).get(0), true);
 168                                                                                                  var form_subscribe_id = form_subscribe.id;
 169                                                                                                  var form_unsubscribe_id = form_subscribe_id.replace('subscribe', 'unsubscribe');
 170                                                                                                  $("form#"+form_unsubscribe_id).replaceWith(form_subscribe);
 171                                                                                                  $("form#"+form_subscribe_id).ajaxForm(Subscribe).each(addAjaxHidden);
 172                                                                                                  $("#profile_send_a_new_message").remove();
 173                                                                                                  $("#profile_nudge").remove();
 174                                                                                              $("dd.subscribers").text(parseInt($("dd.subscribers").text())-1);
 175                                                                                                  $(".form_user_unsubscribe input[type=submit]").removeAttr("disabled");
 176                                                                                                  $(".form_user_unsubscribe input[type=submit]").removeClass("disabled");
 177                                                                                            }
 178                                           };
 179
 180         $(".form_user_subscribe").ajaxForm(Subscribe);
 181         $(".form_user_unsubscribe").ajaxForm(UnSubscribe);
 182         $(".form_user_subscribe").each(addAjaxHidden);
 183         $(".form_user_unsubscribe").each(addAjaxHidden);
 184
 185         var PostNotice = { dataType: 'xml',
 186                                            beforeSubmit: function(formData, jqForm, options) { if ($("#notice_data-text").get(0).value.length == 0) {
 187                                                                                                                                                                 $("#form_notice").addClass("warning");
 188                                                                                                                                                                 return false;
 189                                                                                                                                                    }
 190                                                                                                                                                    $("#form_notice").addClass("processing");
 191                                                                                                                                                    $("#notice_action-submit").attr("disabled", "disabled");
 192                                                                                                                                                    $("#notice_action-submit").addClass("disabled");
 193                                                                                                                                                    return true;
 194                                                                                                                                                  },
 195                                            timeout: '60000',
 196                                            error: function (xhr, textStatus, errorThrown) {     $("#form_notice").removeClass("processing");
 197                                                                                                                                                 $("#notice_action-submit").removeAttr("disabled");
 198                                                                                                                                                 $("#notice_action-submit").removeClass("disabled");
 199                                                                                                                                                 if (textStatus == "timeout") {
 200                                                                                                                                                         alert ("Sorry! We had trouble sending your notice. The servers are overloaded. Please try again, and contact the site administrator if this problem persists");
 201                                                                                                                                                 }
 202                                                                                                                                                 else {
 203                                                                                                                                                         if ($(".error", xhr.responseXML).length > 0) {
 204                                                                                                                                                                 $('#form_notice').append(document._importNode($(".error", xhr.responseXML).get(0), true));
 205                                                                                                                                                         }
 206                                                                                                                                                         else {
 207                                                                                                                                                                 var HTTP20x30x = [200, 201, 202, 203, 204, 205, 206, 300, 301, 302, 303, 304, 305, 306, 307];
 208                                                                                                                                                                 if(jQuery.inArray(parseInt(xhr.status), HTTP20x30x) < 0) {
 209                                                                                                                                                                         alert("Sorry! We had trouble sending your notice ("+xhr.status+" "+xhr.statusText+"). Please report the problem to the site administrator if this happens again.");
 210                                                                                                                                                                 }
 211                                                                                                                                                                 else {
 212                                                                                                                                                                         $("#notice_data-text").val("");
 213                                                                                                                                                                         counter();
 214                                                                                                                                                                 }
 215                                                                                                                                                         }
 216                                                                                                                                                 }
 217                                                                                                                                           },
 218                                            success: function(xml) {     if ($("#error", xml).length > 0) {
 219                                                                                                         var result = document._importNode($("p", xml).get(0), true);
 220                                                                                                         result = result.textContent || result.innerHTML;
 221                                                                                                         alert(result);
 222                                                                                                 }
 223                                                                                                 else {
 224                                                                                                     if ($("#command_result", xml).length > 0) {
 225                                                                                                             var result = document._importNode($("p", xml).get(0), true);
 226                                                                                                             result = result.textContent || result.innerHTML;
 227                                                                                                             alert(result);
 228                                                     }
 229                                                     else {
 230                                                          li = $("li", xml).get(0);
 231                                                          if ($("#"+li.id).length == 0) {
 232                                                             var notice_irt_value = $('#notice_in-reply-to').val();
 233                                                             var notice_irt = '#notices_primary #notice-'+notice_irt_value;
 234                                                             if($('body')[0].id == 'conversation') {
 235                                                                 if(notice_irt_value.length > 0 && $(notice_irt+' .notices').length < 1) {
 236                                                                     $(notice_irt).append('<ul class="notices"></ul>');
 237                                                                 }
 238                                                                 $($(notice_irt+' .notices')[0]).append(document._importNode(li, true));
 239                                                             }
 240                                                             else {
 241                                                                 $("#notices_primary .notices").prepend(document._importNode(li, true));
 242                                                             }
 243                                                             $('#'+li.id).css({display:'none'});
 244                                                             $('#'+li.id).fadeIn(2500);
 245                                                             NoticeReply();
 246                                                             NoticeAttachments();
 247                                                          }
 248                                                                                                         }
 249                                                                                                         $("#notice_data-text").val("");
 250                                                                                                 $("#notice_data-attach").val("");
 251                                                                                                 $("#notice_in-reply-to").val("");
 252                                                     $('#notice_data-attach_selected').remove();
 253                                                     counter();
 254                                                                                                 }
 255                                                                                                 $("#form_notice").removeClass("processing");
 256                                                                                                 $("#notice_action-submit").removeAttr("disabled");
 257                                                                                                 $("#notice_action-submit").removeClass("disabled");
 258                                                                                          }
 259                                            };
 260         $("#form_notice").ajaxForm(PostNotice);
 261         $("#form_notice").each(addAjaxHidden);
 262     NoticeReply();
 263     NoticeAttachments();
 264     NoticeDataAttach();
 265 });
 266
 267 function NoticeReply() {
 268     if ($('#notice_data-text').length > 0 && $('#content .notice_reply').length > 0) {
 269         $('#content .notice').each(function() {
 270             var notice = $(this)[0];
 271             $($('.notice_reply', notice)[0]).click(function() {
 272                 var nickname = ($('.author .nickname', notice).length > 0) ? $($('.author .nickname', notice)[0]) : $('.author .nickname.uid');
 273                 NoticeReplySet(nickname.text(), $($('.notice_id', notice)[0]).text());
 274                 return false;
 275             });
 276         });
 277     }
 278 }
 279
 280 function NoticeReplySet(nick,id) {
 281         rgx_username = /^[0-9a-zA-Z\-_.]*$/;
 282         if (nick.match(rgx_username)) {
 283                 var text = $("#notice_data-text");
 284                 if (text.length) {
 285                         replyto = "@" + nick + " ";
 286                         text.val(replyto + text.val().replace(RegExp(replyto, 'i'), ''));
 287                         $("#form_notice input#notice_in-reply-to").val(id);
 288                         if (text.get(0).setSelectionRange) {
 289                                 var len = text.val().length;
 290                                 text.get(0).setSelectionRange(len,len);
 291                                 text.get(0).focus();
 292                         }
 293                         return false;
 294                 }
 295         }
 296         return true;
 297 }
 298
 299 function NoticeAttachments() {
 300     $.fn.jOverlay.options = {
 301         method : 'GET',
 302         data : '',
 303         url : '',
 304         color : '#000',
 305         opacity : '0.6',
 306         zIndex : 99,
 307         center : false,
 308         imgLoading : $('address .url')[0].href+'theme/base/images/illustrations/illu_progress_loading-01.gif',
 309         bgClickToClose : true,
 310         success : function() {
 311             $('#jOverlayContent').append('<button>&#215;</button>');
 312             $('#jOverlayContent button').click($.closeOverlay);
 313         },
 314         timeout : 0,
 315         autoHide : true,
 316         css : {'max-width':'542px', 'top':'5%', 'left':'32.5%'}
 317     };
 318
 319     $('#content .notice a.attachment').click(function() {
 320         $().jOverlay({url: $('address .url')[0].href+'attachment/' + ($(this).attr('id').substring('attachment'.length + 1)) + '/ajax'});
 321         return false;
 322     });
 323
 324     var t;
 325     $("body:not(#shownotice) #content .notice a.thumbnail").hover(
 326         function() {
 327             var anchor = $(this);
 328             $("a.thumbnail").children('img').hide();
 329             anchor.closest(".entry-title").addClass('ov');
 330
 331             if (anchor.children('img').length == 0) {
 332                 t = setTimeout(function() {
 333                     $.get($('address .url')[0].href+'attachment/' + (anchor.attr('id').substring('attachment'.length + 1)) + '/thumbnail', null, function(data) {
 334                         anchor.append(data);
 335                     });
 336                 }, 500);
 337             }
 338             else {
 339                 anchor.children('img').show();
 340             }
 341         },
 342         function() {
 343             clearTimeout(t);
 344             $("a.thumbnail").children('img').hide();
 345             $(this).closest(".entry-title").removeClass('ov');
 346         }
 347     );
 348 }
 349
 350 function NoticeDataAttach() {
 351     NDA = $('#notice_data-attach');
 352     NDA.change(function() {
 353         S = '<div id="notice_data-attach_selected" class="success"><code>'+$(this).val()+'</code> <button>&#215;</button></div>';
 354         NDAS = $('#notice_data-attach_selected');
 355         (NDAS.length > 0) ? NDAS.replaceWith(S) : $('#form_notice').append(S);
 356         $('#notice_data-attach_selected button').click(function(){
 357             $('#notice_data-attach_selected').remove();
 358             NDA.val('');
 359         });
 360     });
 361 }