plugins/QnA/js/qna.js

   1 var QnA = {
   2
   3     // @fixme: Should use ID
   4     close: function(form, best) {
   5         var notice = $(form).closest('li.hentry.notice.question');
   6
   7         notice.find('input#qna-best-answer,#qna-question-close').hide();
   8         notice.find('textarea').hide();
   9
  10         var list = notice.find('ul');
  11
  12         notice.find('ul > li.notice-answer-placeholder').remove();
  13         notice.find('ul > li.notice-answer').remove();
  14
  15         if (best) {
  16             var p = notice.parent().find('div.question-description > form > fieldset > p');
  17             if (p.length != 0) {
  18                 p.append($('<span class="question-closed">This question is closed.</span>'));
  19             }
  20         }
  21     },
  22
  23     init: function() {
  24         QnA.NoticeInlineAnswerSetup();
  25
  26         $('form.form_question_show').live('submit', function() {
  27             QnA.close(this);
  28         });
  29         $('form.form_answer_show').live('submit', function() {
  30             QnA.close(this, true);
  31         });
  32     },
  33
  34     /**
  35      * Open up a question's inline answer box.
  36      *
  37      * @param {jQuery} notice: jQuery object containing one notice
  38      */
  39     NoticeInlineAnswerTrigger: function(notice) {
  40         // Find the notice we're replying to...
  41         var id = $($('.notice_id', notice)[0]).text();
  42         var parentNotice = notice;
  43
  44         // Find the threaded replies view we'll be adding to...
  45         var list = notice.closest('.notices');
  46         if (list.hasClass('threaded-replies')) {
  47
  48             // We're replying to a reply; use reply form on the end of this list.
  49             // We'll add our form at the end of this; grab the root notice.
  50             parentNotice = list.closest('.notice');
  51
  52         } else {
  53
  54             // We're replying to a parent notice; pull its threaded list
  55             // and we'll add on the end of it. Will add if needed.
  56             list = $('ul.threaded-replies', notice);
  57         }
  58
  59         // See if the form's already open...
  60         var answerForm = $('.qna_answer_form', list);
  61
  62         var hideReplyPlaceholders = function(notice) {
  63             // Do we still have a dummy answer placeholder? If so get rid of
  64             // reply place holders for this question. If the current user hasn't
  65             // answered the question we want to direct her to providing an
  66             // answer. She can still reply by hitting the reply button if she
  67             // really wants to.
  68             var dummyAnswer = $('ul.qna-dummy', notice);
  69             if (dummyAnswer.length > 0) {
  70                 notice.find('li.notice-reply-placeholder').hide();
  71             }
  72         }
  73
  74         var nextStep = function() {
  75             var dummyAnswer = $('ul.qna-dummy', notice);
  76             dummyAnswer.hide();
  77
  78              // Set focus...
  79             var text = answerForm.find('textarea');
  80
  81             if (text.length == 0) {
  82                 throw "No textarea";
  83             }
  84
  85             text.focus();
  86
  87             $('body').click(function(e) {
  88                 var dummyAnswer = $('ul.qna-dummy', notice);
  89                 var style = dummyAnswer.attr('style');
  90                 var ans = $(notice).find('li.hentry.notice.anwer', notice)
  91                 if (ans > 0) {
  92                     hideReplyPlaceholders(notice);
  93                 }
  94
  95                 var openAnswers = $('li.notice-answer');
  96                     if (openAnswers.length > 0) {
  97                         var target = $(e.target);
  98                         openAnswers.each(function() {
  99
 100                             // Did we click outside this one?
 101                             var answerItem = $(this);
 102                             var parentNotice = answerItem.closest('li.notice');
 103
 104                             if (answerItem.has(e.target).length == 0) {
 105                                 var textarea = answerItem.find('.notice_data-text:first');
 106                                 var cur = $.trim(textarea.val());
 107                                 // Only close if there's been no edit.
 108                                 if (cur == '' || cur == textarea.data('initialText')) {
 109                                     answerItem.remove();
 110                                     dummyAnswer.show();
 111                                 }
 112                             }
 113                         });
 114                     }
 115                 });
 116         };
 117
 118         // See if the form's already open...
 119         if (answerForm.length > 0 ) {
 120             nextStep();
 121         } else {
 122             var placeholder = list.find('li.qna-dummy-placeholder').hide();
 123
 124             // Create the answer form entry at the end
 125             var answerItem = $('li.notice-answer', list);
 126
 127             if (answerItem.length == 0) {
 128                  answerItem = $('<li class="notice-answer"></li>');
 129                  var intermediateStep = function(formMaster) {
 130                     // @todo cache the form if we can (worth it?)
 131                     var formEl = document._importNode(formMaster, true);
 132                     $(formEl).data('NoticeFormSetup', true);
 133                     answerItem.append(formEl);
 134                     list.prepend(answerItem); // *before* the placeholder
 135                     var form = answerForm = $(formEl);
 136                     QnA.AnswerFormSetup(form);
 137                     nextStep();
 138                 };
 139
 140                 if (QnA.AnswerFormMaster) {
 141                     // @todo if we had a cached for here's where we'd use it'
 142                     intermediateStep(QnA.AnswerFormMaster);
 143                 } else {
 144                     // Fetch a fresh copy of the answer form over AJAX.
 145                     // Warning: this can have a delay, which looks bad.
 146                     // @fixme this fallback may or may not work
 147                     var url = $('#answer-action').attr('value');
 148                      $.get(url, {ajax: 1}, function(data, textStatus, xhr) {
 149                          intermediateStep($('form', data)[0]);
 150                      });
 151                  }
 152              }
 153          }
 154      },
 155
 156     /**
 157      * Setup function -- DOES NOT apply immediately.
 158      *
 159      * Sets up event handlers for inline reply mini-form placeholders.
 160      * Uses 'live' rather than 'bind', so applies to future as well as present items.
 161      */
 162     NoticeInlineAnswerSetup: function() {
 163
 164         $('li.qna-dummy-placeholder input.placeholder')
 165             .live('focus', function() {
 166                 var notice = $(this).closest('li.notice');
 167                 QnA.NoticeInlineAnswerTrigger(notice);
 168                 return false;
 169             });
 170
 171     },
 172
 173     AnswerFormSetup: function(form) {
 174
 175         form.find('textarea').focus();
 176
 177         if (!form.data('NoticeFormSetup')) {
 178             alert('gargargar');
 179         }
 180
 181         if (!form.data('AnswerFormSetup')) {
 182             //SN.U.NoticeLocationAttach(form);
 183             QnA.FormAnswerXHR(form);
 184             //SN.U.FormNoticeEnhancements(form);
 185             //SN.U.NoticeDataAttach(form);
 186             form.data('NoticeFormSetup', true);
 187         }
 188     },
 189
 190    /**
 191      * Setup function -- DOES NOT trigger actions immediately.
 192      *
 193      * Sets up event handlers for special-cased async submission of the
 194      * answer-posting form, including some pre-post validation.
 195      *
 196      * @fixme geodata
 197      * @fixme refactor and unify with FormNoticeXHR in util.js
 198      *
 199      * @param {jQuery} form: jQuery object whose first element is a form
 200      *
 201      * @access public
 202      */
 203     FormAnswerXHR: function(form) {
 204
 205         //SN.C.I.NoticeDataGeo = {};
 206         form.append('<input type="hidden" name="ajax" value="1"/>');
 207
 208         // Make sure we don't have a mixed HTTP/HTTPS submission...
 209         form.attr('action', SN.U.RewriteAjaxAction(form.attr('action')));
 210
 211         /**
 212          * Show a response feedback bit under the new-notice dialog.
 213          *
 214          * @param {String} cls: CSS class name to use ('error' or 'success')
 215          * @param {String} text
 216          * @access private
 217          */
 218         var showFeedback = function(cls, text) {
 219             form.append(
 220                 $('<p class="form_response"></p>')
 221                     .addClass(cls)
 222                     .text(text)
 223             );
 224         };
 225
 226         /**
 227          * Hide the previous response feedback, if any.
 228          */
 229         var removeFeedback = function() {
 230             form.find('.form_response').remove();
 231         };
 232
 233         form.ajaxForm({
 234             dataType: 'xml',
 235             timeout: '60000',
 236
 237             beforeSend: function(formData) {
 238
 239                 if (form.find('.notice_data-text:first').val() == '') {
 240                     form.addClass(SN.C.S.Warning);
 241                     return false;
 242                 }
 243                 form
 244                     .addClass(SN.C.S.Processing)
 245                     .find('.submit')
 246                         .addClass(SN.C.S.Disabled)
 247                         .attr(SN.C.S.Disabled, SN.C.S.Disabled);
 248                 return true;
 249             },
 250             error: function (xhr, textStatus, errorThrown) {
 251                 form
 252                     .removeClass(SN.C.S.Processing)
 253                     .find('.submit')
 254                         .removeClass(SN.C.S.Disabled)
 255                         .removeAttr(SN.C.S.Disabled, SN.C.S.Disabled);
 256                 removeFeedback();
 257                 if (textStatus == 'timeout') {
 258                     // @fixme i18n
 259                     showFeedback('error', 'Sorry! We had trouble sending your notice. The servers are overloaded. Please try again, and contact the site administrator if this problem persists.');
 260                 }
 261                 else {
 262                     var response = SN.U.GetResponseXML(xhr);
 263                     if ($('.'+SN.C.S.Error, response).length > 0) {
 264                         form.append(document._importNode($('.'+SN.C.S.Error, response)[0], true));
 265                     }
 266                     else {
 267                         if (parseInt(xhr.status) === 0 || jQuery.inArray(parseInt(xhr.status), SN.C.I.HTTP20x30x) >= 0) {
 268                             form
 269                                 .resetForm()
 270                                 .find('.attach-status').remove();
 271                             SN.U.FormNoticeEnhancements(form);
 272                         }
 273                         else {
 274                             // @fixme i18n
 275                             showFeedback('error', '(Sorry! We had trouble sending your notice ('+xhr.status+' '+xhr.statusText+'). Please report the problem to the site administrator if this happens again.');
 276                         }
 277                     }
 278                 }
 279             },
 280             success: function(data, textStatus) {
 281
 282                 removeFeedback();
 283                 var errorResult = $('#'+SN.C.S.Error, data);
 284                 if (errorResult.length > 0) {
 285                     showFeedback('error', errorResult.text());
 286                 }
 287                 else {
 288
 289                     // New notice post was successful. If on our timeline, show it!
 290                     var notice = document._importNode($('li', data)[0], true);
 291                     var notices = $('#notices_primary .notices:first');
 292                     var answerItem = form.closest('li.notice-answer');
 293                     var questionItem = form.closest('li.question');
 294
 295                     var dummyAnswer = form.find('ul.qna-dummy', questionItem).remove();
 296                     if (answerItem.length > 0) {
 297
 298                     // If this is an inline answer, remove the form...
 299                     var list = form.closest('.threaded-replies');
 300
 301                     // if the inserted notice's parent question needs it give it a placeholder
 302                     var ans = questionItem.find('ul > li.hentry.notice.answer');
 303                     if (ans.length == 0) {
 304                         SN.U.NoticeInlineReplyPlaceholder(questionItem);
 305                     }
 306
 307                     var id = $(notice).attr('id');
 308                     if ($("#"+id).length == 0) {
 309                         $(notice).insertBefore(answerItem);
 310                             answerItem.remove();
 311                         } else {
 312                             // NOP
 313                             // Realtime came through before us...
 314                         }
 315
 316                     } else if (notices.length > 0 && SN.U.belongsOnTimeline(notice)) {
 317
 318                         // Not a reply. If on our timeline, show it at the
 319                         if ($('#'+notice.id).length === 0) {
 320                             var notice_irt_value = form.find('#inreplyto').val();
 321                             var notice_irt = '#notices_primary #notice-'+notice_irt_value;
 322                             if($('body')[0].id == 'conversation') {
 323                                 if(notice_irt_value.length > 0 && $(notice_irt+' .notices').length < 1) {
 324                                     $(notice_irt).append('<ul class="notices"></ul>');
 325                                 }
 326                                 $($(notice_irt+' .notices')[0]).append(notice);
 327                             }
 328                             else {
 329                                 notices.prepend(notice);
 330                             }
 331                             $('#'+notice.id)
 332                                 .css({display:'none'})
 333                                 .fadeIn(2500);
 334                         }
 335
 336                         // realtime injected the notice first
 337
 338                     } else {
 339                         // Not on a timeline that this belongs on?
 340                         // Just show a success message.
 341                         // @fixme inline
 342                         showFeedback('success', $('title', data).text());
 343                     }
 344                 }
 345             },
 346             complete: function(xhr, textStatus) {
 347                 form
 348                     .removeClass(SN.C.S.Processing)
 349                     .find('.submit')
 350                         .removeAttr(SN.C.S.Disabled)
 351                         .removeClass(SN.C.S.Disabled);
 352             }
 353         });
 354     }
 355 };
 356
 357 $(document).ready(function() {
 358     QnA.init();
 359 });