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