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         // count character on keyup
  21         function counter(event){
  22                 var maxLength = 140;
  23                 var currentLength = $("#notice_data-text").val().length;
  24                 var remaining = maxLength - currentLength;
  25                 var counter = $("#notice_text-count");
  26                 counter.text(remaining);
  27
  28                 if (remaining <= 0) {
  29                         $("#form_notice").addClass("warning");
  30                 } else {
  31                         $("#form_notice").removeClass("warning");
  32                 }
  33         }
  34
  35         function submitonreturn(event) {
  36                 if (event.keyCode == 13) {
  37                         $("#form_notice").submit();
  38                         event.preventDefault();
  39                         event.stopPropagation();
  40                         return false;
  41                 }
  42                 return true;
  43         }
  44
  45         if ($("#notice_data-text").length) {
  46                 $("#notice_data-text").bind("keyup", counter);
  47                 $("#notice_data-text").bind("keydown", submitonreturn);
  48
  49                 // run once in case there's something in there
  50                 counter();
  51
  52                 // set the focus
  53                 $("#notice_data-text").focus();
  54         }
  55
  56         // XXX: refactor this code
  57
  58         var favoptions = { dataType: 'xml',
  59                                            success: function(xml) { var new_form = document._importNode($('form', xml).get(0), true);
  60                                                                                                 var dis = new_form.id;
  61                                                                                                 var fav = dis.replace('disfavor', 'favor');
  62                                                                                                 $('form#'+fav).replaceWith(new_form);
  63                                                                                                 $('form#'+dis).ajaxForm(disoptions).each(addAjaxHidden);
  64                                                                                           }
  65                                          };
  66
  67         var disoptions = { dataType: 'xml',
  68                                            success: function(xml) { var new_form = document._importNode($('form', xml).get(0), true);
  69                                                                                                 var fav = new_form.id;
  70                                                                                                 var dis = fav.replace('favor', 'disfavor');
  71                                                                                                 $('form#'+dis).replaceWith(new_form);
  72                                                                                                 $('form#'+fav).ajaxForm(favoptions).each(addAjaxHidden);
  73                                                                                           }
  74                                          };
  75
  76         var joinoptions = { dataType: 'xml',
  77                                            success: function(xml) { var new_form = document._importNode($('form', xml).get(0), true);
  78                                                                                                 var leave = new_form.id;
  79                                                                                                 var join = leave.replace('leave', 'join');
  80                                                                                                 $('form#'+join).replaceWith(new_form);
  81                                                                                                 $('form#'+leave).ajaxForm(leaveoptions).each(addAjaxHidden);
  82                                                                                           }
  83                                          };
  84
  85         var leaveoptions = { dataType: 'xml',
  86                                            success: function(xml) { var new_form = document._importNode($('form', xml).get(0), true);
  87                                                                                                 var join = new_form.id;
  88                                                                                                 var leave = join.replace('join', 'leave');
  89                                                                                                 $('form#'+leave).replaceWith(new_form);
  90                                                                                                 $('form#'+join).ajaxForm(joinoptions).each(addAjaxHidden);
  91                                                                                           }
  92                                          };
  93
  94         function addAjaxHidden() {
  95                 var ajax = document.createElement('input');
  96                 ajax.setAttribute('type', 'hidden');
  97                 ajax.setAttribute('name', 'ajax');
  98                 ajax.setAttribute('value', 1);
  99                 this.appendChild(ajax);
 100         }
 101
 102         $("form.form_favor").ajaxForm(favoptions);
 103         $("form.form_disfavor").ajaxForm(disoptions);
 104         $("form.form_group_join").ajaxForm(joinoptions);
 105         $("form.form_group_leave").ajaxForm(leaveoptions);
 106         $("form.form_favor").each(addAjaxHidden);
 107         $("form.form_disfavor").each(addAjaxHidden);
 108         $("form.form_group_join").each(addAjaxHidden);
 109         $("form.form_group_leave").each(addAjaxHidden);
 110
 111         $("#form_user_nudge").ajaxForm ({ dataType: 'xml',
 112                 beforeSubmit: function(xml) { $("#form_user_nudge input[type=submit]").attr("disabled", "disabled");
 113                                                                           $("#form_user_nudge input[type=submit]").addClass("disabled");
 114                                                                         },
 115                 success: function(xml) { $("#form_user_nudge").replaceWith(document._importNode($("#nudge_response", xml).get(0),true));
 116                                                              $("#form_user_nudge input[type=submit]").removeAttr("disabled");
 117                                                              $("#form_user_nudge input[type=submit]").removeClass("disabled");
 118                                                            }
 119          });
 120         $("#form_user_nudge").each(addAjaxHidden);
 121
 122         var Subscribe = { dataType: 'xml',
 123                                           beforeSubmit: function(formData, jqForm, options) { $(".form_user_subscribe input[type=submit]").attr("disabled", "disabled");
 124                                                                                                                                               $(".form_user_subscribe input[type=submit]").addClass("disabled");
 125                                                                                                                                             },
 126                                           success: function(xml) { var form_unsubscribe = document._importNode($('form', xml).get(0), true);
 127                                                                                            var form_unsubscribe_id = form_unsubscribe.id;
 128                                                                                            var form_subscribe_id = form_unsubscribe_id.replace('unsubscribe', 'subscribe');
 129                                                                                            $("form#"+form_subscribe_id).replaceWith(form_unsubscribe);
 130                                                                                            $("form#"+form_unsubscribe_id).ajaxForm(UnSubscribe).each(addAjaxHidden);
 131                                                                                            $("dd.subscribers").text(parseInt($("dd.subscribers").text())+1);
 132                                                                                            $(".form_user_subscribe input[type=submit]").removeAttr("disabled");
 133                                                                                            $(".form_user_subscribe input[type=submit]").removeClass("disabled");
 134                                                                                      }
 135                                         };
 136
 137         var UnSubscribe = { dataType: 'xml',
 138                                                 beforeSubmit: function(formData, jqForm, options) { $(".form_user_unsubscribe input[type=submit]").attr("disabled", "disabled");
 139                                                                                                                                                     $(".form_user_unsubscribe input[type=submit]").addClass("disabled");
 140                                                                                                                                                   },
 141                                             success: function(xml) { var form_subscribe = document._importNode($('form', xml).get(0), true);
 142                                                                                                  var form_subscribe_id = form_subscribe.id;
 143                                                                                                  var form_unsubscribe_id = form_subscribe_id.replace('subscribe', 'unsubscribe');
 144                                                                                                  $("form#"+form_unsubscribe_id).replaceWith(form_subscribe);
 145                                                                                                  $("form#"+form_subscribe_id).ajaxForm(Subscribe).each(addAjaxHidden);
 146                                                                                                  $("#profile_send_a_new_message").remove();
 147                                                                                                  $("#profile_nudge").remove();
 148                                                                                              $("dd.subscribers").text(parseInt($("dd.subscribers").text())-1);
 149                                                                                                  $(".form_user_unsubscribe input[type=submit]").removeAttr("disabled");
 150                                                                                                  $(".form_user_unsubscribe input[type=submit]").removeClass("disabled");
 151                                                                                            }
 152                                           };
 153
 154         $(".form_user_subscribe").ajaxForm(Subscribe);
 155         $(".form_user_unsubscribe").ajaxForm(UnSubscribe);
 156         $(".form_user_subscribe").each(addAjaxHidden);
 157         $(".form_user_unsubscribe").each(addAjaxHidden);
 158
 159         var PostNotice = { dataType: 'xml',
 160                                            beforeSubmit: function(formData, jqForm, options) { if ($("#notice_data-text").get(0).value.length == 0) {
 161                                                                                                                                                                 $("#form_notice").addClass("warning");
 162                                                                                                                                                                 return false;
 163                                                                                                                                                    }
 164                                                                                                                                                    $("#form_notice").addClass("processing");
 165                                                                                                                                                    $("#notice_action-submit").attr("disabled", "disabled");
 166                                                                                                                                                    $("#notice_action-submit").addClass("disabled");
 167                                                                                                                                                    return true;
 168                                                                                                                                                  },
 169                                            timeout: '60000',
 170                                            error: function (xhr, textStatus, errorThrown) {     $("#form_notice").removeClass("processing");
 171                                                                                                                                                 $("#notice_action-submit").removeAttr("disabled");
 172                                                                                                                                                 $("#notice_action-submit").removeClass("disabled");
 173                                                                                                                                                 if (textStatus == "timeout") {
 174                                                                                                                                                         alert ("Sorry! We had trouble sending your notice. The servers are overloaded. Please try again, and contact the site administrator if this problem persists");
 175                                                                                                                                                 }
 176                                                                                                                                                 else {
 177                                                                                                                                                         if ($(".error", xhr.responseXML).length > 0) {
 178                                                                                                                                                                 $('#form_notice').append(document._importNode($(".error", xhr.responseXML).get(0), true));
 179                                                                                                                                                         }
 180                                                                                                                                                         else {
 181                                                                                                                                                                 alert("Sorry! We had trouble sending your notice ("+xhr.status+" "+xhr.statusText+"). Please report the problem to the site administrator if this happens again.");
 182                                                                                                                                                         }
 183                                                                                                                                                 }
 184                                                                                                                                           },
 185                                            success: function(xml) {     if ($("#error", xml).length > 0) {
 186                                                                                                         var result = document._importNode($("p", xml).get(0), true);
 187                                                                                                         result = result.textContent || result.innerHTML;
 188                                                                                                         alert(result);
 189                                                                                                 }
 190                                                                                                 else {
 191                                                                                                     if ($("#command_result", xml).length > 0) {
 192                                                                                                             var result = document._importNode($("p", xml).get(0), true);
 193                                                                                                             result = result.textContent || result.innerHTML;
 194                                                                                                             alert(result);
 195                                                     }
 196                                                     else {
 197                                                          li = $("li", xml).get(0);
 198                                                          if ($("#"+li.id).length == 0) {
 199                                                               $("#notices_primary .notices").prepend(document._importNode(li, true));
 200                                                               $("#notices_primary .notice:first").css({display:"none"});
 201                                                               $("#notices_primary .notice:first").fadeIn(2500);
 202                                                               NoticeReply();
 203                                                          }
 204                                                                                                         }
 205                                                                                                         $("#notice_data-text").val("");
 206                                                     counter();
 207                                                                                                 }
 208                                                                                                 $("#form_notice").removeClass("processing");
 209                                                                                                 $("#notice_action-submit").removeAttr("disabled");
 210                                                                                                 $("#notice_action-submit").removeClass("disabled");
 211                                                                                          }
 212                                            };
 213         $("#form_notice").ajaxForm(PostNotice);
 214         $("#form_notice").each(addAjaxHidden);
 215     NoticeHover();
 216     NoticeReply();
 217     NoticeAttachments();
 218 });
 219
 220
 221 function NoticeHover() {
 222     function mouseHandler(e) {
 223         $(e.target).closest('li.hentry')[(e.type === 'mouseover') ? 'addClass' : 'removeClass']('hover');
 224     };
 225     $('#content .notices').mouseover(mouseHandler);
 226     $('#content .notices').mouseout(mouseHandler);
 227 }
 228
 229
 230 function NoticeReply() {
 231     if ($('#notice_data-text').length > 0) {
 232         $('#content .notice').each(function() {
 233             var notice = $(this)[0];
 234             $($('.notice_reply', notice)[0]).click(function() {
 235                 var nickname = ($('.author .nickname', notice).length > 0) ? $($('.author .nickname', notice)[0]) : $('.author .nickname');
 236                 NoticeReplySet(nickname.text(), $($('.notice_id', notice)[0]).text());
 237                 return false;
 238             });
 239         });
 240     }
 241 }
 242
 243 function NoticeReplySet(nick,id) {
 244         rgx_username = /^[0-9a-zA-Z\-_.]*$/;
 245         if (nick.match(rgx_username)) {
 246                 replyto = "@" + nick + " ";
 247                 if ($("#notice_data-text").length) {
 248                         $("#notice_data-text").val(replyto);
 249                         $("#form_notice input#notice_in-reply-to").val(id);
 250                         $("#notice_data-text").focus();
 251                         return false;
 252                 }
 253         }
 254         return true;
 255 }
 256
 257 function NoticeAttachments() {
 258     $.fn.jOverlay.options = {
 259         method : 'GET',
 260         data : '',
 261         url : '',
 262         color : '#000',
 263         opacity : '0.6',
 264         zIndex : '9999',
 265         center : true,
 266         imgLoading : $('address .url')[0].href+'theme/base/images/illustrations/illu_progress_loading-01.gif',
 267         bgClickToClose : true,
 268         success : function() {
 269             $('#jOverlayContent').append('<button>&#215;</button>');
 270             $('#jOverlayContent button').click($.closeOverlay);
 271         },
 272         timeout : 0
 273     };
 274
 275     $('a.attachment').click(function() {
 276         $().jOverlay({url: $('address .url')[0].href+'/attachment/' + ($(this).attr('id').substring('attachment'.length + 1)) + '/ajax'});
 277         return false;
 278     });
 279
 280     var t;
 281     $("body:not(#shownotice) a.thumbnail").hover(
 282         function() {
 283             var anchor = $(this);
 284             $("a.thumbnail").children('img').hide();
 285             anchor.closest(".entry-title").addClass('ov');
 286
 287             if (anchor.children('img').length == 0) {
 288                 t = setTimeout(function() {
 289                     $.get($('address .url')[0].href+'/attachment/' + (anchor.attr('id').substring('attachment'.length + 1)) + '/thumbnail', null, function(data) {
 290                         anchor.append(data);
 291                     });
 292                 }, 500);
 293             }
 294             else {
 295                 anchor.children('img').show();
 296             }
 297         },
 298         function() {
 299             clearTimeout(t);
 300             $("a.thumbnail").children('img').hide();
 301             $(this).closest(".entry-title").removeClass('ov');
 302         }
 303     );
 304 }
 305