comments: updated edit message when body is still the same.

rhodecode/public/js/src/rhodecode/comments.js

@@ -1,1202 +1,1202 b''
 // # Copyright (C) 2010-2020 RhodeCode GmbH
 // #
 // # This program is free software: you can redistribute it and/or modify
 // # it under the terms of the GNU Affero General Public License, version 3
 // # (only), as published by the Free Software Foundation.
 // #
 // # This program is distributed in the hope that it will be useful,
 // # but WITHOUT ANY WARRANTY; without even the implied warranty of
 // # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 // # GNU General Public License for more details.
 // #
 // # You should have received a copy of the GNU Affero General Public License
 // # along with this program.  If not, see <http://www.gnu.org/licenses/>.
 // #
 // # This program is dual-licensed. If you wish to learn more about the
 // # RhodeCode Enterprise Edition, including its added features, Support services,
 // # and proprietary license terms, please see https://rhodecode.com/licenses/
 
 var firefoxAnchorFix = function() {
   // hack to make anchor links behave properly on firefox, in our inline
   // comments generation when comments are injected firefox is misbehaving
   // when jumping to anchor links
   if (location.href.indexOf('#') > -1) {
     location.href += '';
   }
 };
 
 var linkifyComments = function(comments) {
   var firstCommentId = null;
   if (comments) {
       firstCommentId = $(comments[0]).data('comment-id');
   }
 
   if (firstCommentId){
     $('#inline-comments-counter').attr('href', '#comment-' + firstCommentId);
   }
 };
 
 var bindToggleButtons = function() {
   $('.comment-toggle').on('click', function() {
         $(this).parent().nextUntil('tr.line').toggle('inline-comments');
   });
 };
 
 
 
 var _submitAjaxPOST = function(url, postData, successHandler, failHandler) {
     failHandler = failHandler || function() {};
     postData = toQueryString(postData);
     var request = $.ajax({
         url: url,
         type: 'POST',
         data: postData,
         headers: {'X-PARTIAL-XHR': true}
     })
     .done(function (data) {
         successHandler(data);
     })
     .fail(function (data, textStatus, errorThrown) {
         failHandler(data, textStatus, errorThrown)
     });
     return request;
 };
 
 
 
 
 /* Comment form for main and inline comments */
 (function(mod) {
 
     if (typeof exports == "object" && typeof module == "object") {
         // CommonJS
         module.exports = mod();
     }
     else {
         // Plain browser env
         (this || window).CommentForm = mod();
     }
 
 })(function() {
     "use strict";
 
     function CommentForm(formElement, commitId, pullRequestId, lineNo, initAutocompleteActions, resolvesCommentId, edit, comment_id) {
 
         if (!(this instanceof CommentForm)) {
             return new CommentForm(formElement, commitId, pullRequestId, lineNo, initAutocompleteActions, resolvesCommentId, edit, comment_id);
         }
 
         // bind the element instance to our Form
         $(formElement).get(0).CommentForm = this;
 
         this.withLineNo = function(selector) {
             var lineNo = this.lineNo;
             if (lineNo === undefined) {
                 return selector
             } else {
                 return selector + '_' + lineNo;
             }
         };
 
         this.commitId = commitId;
         this.pullRequestId = pullRequestId;
         this.lineNo = lineNo;
         this.initAutocompleteActions = initAutocompleteActions;
 
         this.previewButton = this.withLineNo('#preview-btn');
         this.previewContainer = this.withLineNo('#preview-container');
 
         this.previewBoxSelector = this.withLineNo('#preview-box');
 
         this.editButton = this.withLineNo('#edit-btn');
         this.editContainer = this.withLineNo('#edit-container');
         this.cancelButton = this.withLineNo('#cancel-btn');
         this.commentType = this.withLineNo('#comment_type');
 
         this.resolvesId = null;
         this.resolvesActionId = null;
 
         this.closesPr = '#close_pull_request';
 
         this.cmBox = this.withLineNo('#text');
         this.cm = initCommentBoxCodeMirror(this, this.cmBox, this.initAutocompleteActions);
 
         this.statusChange = this.withLineNo('#change_status');
 
         this.submitForm = formElement;
         this.submitButton = $(this.submitForm).find('input[type="submit"]');
         this.submitButtonText = this.submitButton.val();
 
 
         this.previewUrl = pyroutes.url('repo_commit_comment_preview',
             {'repo_name': templateContext.repo_name,
              'commit_id': templateContext.commit_data.commit_id});
 
         if (edit){
             this.submitButtonText = _gettext('Updated Comment');
             $(this.commentType).prop('disabled', true);
             $(this.commentType).addClass('disabled');
             var editInfo =
                 '<div class="comment-label note" id="comment-label-6" title="line: ">' +
                 'editing' +
                 '</div>';
             $(editInfo).insertBefore($(this.editButton).parent());
         }
 
         if (resolvesCommentId){
             this.resolvesId = '#resolve_comment_{0}'.format(resolvesCommentId);
             this.resolvesActionId = '#resolve_comment_action_{0}'.format(resolvesCommentId);
             $(this.commentType).prop('disabled', true);
             $(this.commentType).addClass('disabled');
 
             // disable select
             setTimeout(function() {
                 $(self.statusChange).select2('readonly', true);
             }, 10);
 
             var resolvedInfo = (
                 '<li class="resolve-action">' +
                 '<input type="hidden" id="resolve_comment_{0}" name="resolve_comment_{0}" value="{0}">' +
                 '<button id="resolve_comment_action_{0}" class="resolve-text btn btn-sm" onclick="return Rhodecode.comments.submitResolution({0})">{1} #{0}</button>' +
                 '</li>'
             ).format(resolvesCommentId, _gettext('resolve comment'));
             $(resolvedInfo).insertAfter($(this.commentType).parent());
         }
 
         // based on commitId, or pullRequestId decide where do we submit
         // out data
         if (this.commitId){
             var pyurl = 'repo_commit_comment_create';
             if(edit){
                 pyurl = 'repo_commit_comment_edit';
             }
             this.submitUrl = pyroutes.url(pyurl,
                 {'repo_name': templateContext.repo_name,
                  'commit_id': this.commitId,
                  'comment_id': comment_id});
             this.selfUrl = pyroutes.url('repo_commit',
                 {'repo_name': templateContext.repo_name,
                  'commit_id': this.commitId});
 
         } else if (this.pullRequestId) {
             var pyurl = 'pullrequest_comment_create';
             if(edit){
                 pyurl = 'pullrequest_comment_edit';
             }
             this.submitUrl = pyroutes.url(pyurl,
                 {'repo_name': templateContext.repo_name,
                  'pull_request_id': this.pullRequestId,
                  'comment_id': comment_id});
             this.selfUrl = pyroutes.url('pullrequest_show',
                 {'repo_name': templateContext.repo_name,
                  'pull_request_id': this.pullRequestId});
 
         } else {
             throw new Error(
                 'CommentForm requires pullRequestId, or commitId to be specified.')
         }
 
         // FUNCTIONS and helpers
         var self = this;
 
         this.isInline = function(){
             return this.lineNo && this.lineNo != 'general';
         };
 
         this.getCmInstance = function(){
             return this.cm
         };
 
         this.setPlaceholder = function(placeholder) {
             var cm = this.getCmInstance();
             if (cm){
                 cm.setOption('placeholder', placeholder);
             }
         };
 
         this.getCommentStatus = function() {
           return $(this.submitForm).find(this.statusChange).val();
         };
         this.getCommentType = function() {
           return $(this.submitForm).find(this.commentType).val();
         };
 
         this.getResolvesId = function() {
             return $(this.submitForm).find(this.resolvesId).val() || null;
         };
 
         this.getClosePr = function() {
             return $(this.submitForm).find(this.closesPr).val() || null;
         };
 
         this.markCommentResolved = function(resolvedCommentId){
             $('#comment-label-{0}'.format(resolvedCommentId)).find('.resolved').show();
             $('#comment-label-{0}'.format(resolvedCommentId)).find('.resolve').hide();
         };
 
         this.isAllowedToSubmit = function() {
           return !$(this.submitButton).prop('disabled');
         };
 
         this.initStatusChangeSelector = function(){
             var formatChangeStatus = function(state, escapeMarkup) {
                 var originalOption = state.element;
                 var tmpl = '<i class="icon-circle review-status-{0}"></i><span>{1}</span>'.format($(originalOption).data('status'), escapeMarkup(state.text));
                 return tmpl
             };
             var formatResult = function(result, container, query, escapeMarkup) {
                 return formatChangeStatus(result, escapeMarkup);
             };
 
             var formatSelection = function(data, container, escapeMarkup) {
                 return formatChangeStatus(data, escapeMarkup);
             };
 
             $(this.submitForm).find(this.statusChange).select2({
                 placeholder: _gettext('Status Review'),
                 formatResult: formatResult,
                 formatSelection: formatSelection,
                 containerCssClass: "drop-menu status_box_menu",
                 dropdownCssClass: "drop-menu-dropdown",
                 dropdownAutoWidth: true,
                 minimumResultsForSearch: -1
             });
             $(this.submitForm).find(this.statusChange).on('change', function() {
                 var status = self.getCommentStatus();
 
                 if (status && !self.isInline()) {
                     $(self.submitButton).prop('disabled', false);
                 }
 
                 var placeholderText = _gettext('Comment text will be set automatically based on currently selected status ({0}) ...').format(status);
                 self.setPlaceholder(placeholderText)
             })
         };
 
         // reset the comment form into it's original state
         this.resetCommentFormState = function(content) {
             content = content || '';
 
             $(this.editContainer).show();
             $(this.editButton).parent().addClass('active');
 
             $(this.previewContainer).hide();
             $(this.previewButton).parent().removeClass('active');
 
             this.setActionButtonsDisabled(true);
             self.cm.setValue(content);
             self.cm.setOption("readOnly", false);
 
             if (this.resolvesId) {
                 // destroy the resolve action
                 $(this.resolvesId).parent().remove();
             }
             // reset closingPR flag
             $('.close-pr-input').remove();
 
             $(this.statusChange).select2('readonly', false);
         };
 
         this.globalSubmitSuccessCallback = function(){
             // default behaviour is to call GLOBAL hook, if it's registered.
             if (window.commentFormGlobalSubmitSuccessCallback !== undefined){
                 commentFormGlobalSubmitSuccessCallback();
             }
         };
 
         this.submitAjaxPOST = function(url, postData, successHandler, failHandler) {
             return _submitAjaxPOST(url, postData, successHandler, failHandler);
         };
 
         // overwrite a submitHandler, we need to do it for inline comments
         this.setHandleFormSubmit = function(callback) {
             this.handleFormSubmit = callback;
         };
 
         // overwrite a submitSuccessHandler
         this.setGlobalSubmitSuccessCallback = function(callback) {
             this.globalSubmitSuccessCallback = callback;
         };
 
         // default handler for for submit for main comments
         this.handleFormSubmit = function() {
             var text = self.cm.getValue();
             var status = self.getCommentStatus();
             var commentType = self.getCommentType();
             var resolvesCommentId = self.getResolvesId();
             var closePullRequest = self.getClosePr();
 
             if (text === "" && !status) {
                 return;
             }
 
             var excludeCancelBtn = false;
             var submitEvent = true;
             self.setActionButtonsDisabled(true, excludeCancelBtn, submitEvent);
             self.cm.setOption("readOnly", true);
 
             var postData = {
                 'text': text,
                 'changeset_status': status,
                 'comment_type': commentType,
                 'csrf_token': CSRF_TOKEN
             };
 
             if (resolvesCommentId) {
                 postData['resolves_comment_id'] = resolvesCommentId;
             }
 
             if (closePullRequest) {
                 postData['close_pull_request'] = true;
             }
 
             var submitSuccessCallback = function(o) {
                 // reload page if we change status for single commit.
                 if (status && self.commitId) {
                     location.reload(true);
                 } else {
                     $('#injected_page_comments').append(o.rendered_text);
                     self.resetCommentFormState();
                     timeagoActivate();
                     tooltipActivate();
 
                     // mark visually which comment was resolved
                     if (resolvesCommentId) {
                         self.markCommentResolved(resolvesCommentId);
                     }
                 }
 
                 // run global callback on submit
                 self.globalSubmitSuccessCallback();
 
             };
             var submitFailCallback = function(jqXHR, textStatus, errorThrown) {
                 var prefix = "Error while submitting comment.\n"
                 var message = formatErrorMessage(jqXHR, textStatus, errorThrown, prefix);
                 ajaxErrorSwal(message);
                 self.resetCommentFormState(text);
             };
             self.submitAjaxPOST(
                 self.submitUrl, postData, submitSuccessCallback, submitFailCallback);
         };
 
         this.previewSuccessCallback = function(o) {
             $(self.previewBoxSelector).html(o);
             $(self.previewBoxSelector).removeClass('unloaded');
 
             // swap buttons, making preview active
             $(self.previewButton).parent().addClass('active');
             $(self.editButton).parent().removeClass('active');
 
             // unlock buttons
             self.setActionButtonsDisabled(false);
         };
 
         this.setActionButtonsDisabled = function(state, excludeCancelBtn, submitEvent) {
             excludeCancelBtn = excludeCancelBtn || false;
             submitEvent = submitEvent || false;
 
             $(this.editButton).prop('disabled', state);
             $(this.previewButton).prop('disabled', state);
 
             if (!excludeCancelBtn) {
                 $(this.cancelButton).prop('disabled', state);
             }
 
             var submitState = state;
             if (!submitEvent && this.getCommentStatus() && !self.isInline()) {
                 // if the value of commit review status is set, we allow
                 // submit button, but only on Main form, isInline means inline
                 submitState = false
             }
 
             $(this.submitButton).prop('disabled', submitState);
             if (submitEvent) {
               $(this.submitButton).val(_gettext('Submitting...'));
             } else {
               $(this.submitButton).val(this.submitButtonText);
             }
 
         };
 
         // lock preview/edit/submit buttons on load, but exclude cancel button
         var excludeCancelBtn = true;
         this.setActionButtonsDisabled(true, excludeCancelBtn);
 
         // anonymous users don't have access to initialized CM instance
         if (this.cm !== undefined){
             this.cm.on('change', function(cMirror) {
                 if (cMirror.getValue() === "") {
                     self.setActionButtonsDisabled(true, excludeCancelBtn)
                 } else {
                     self.setActionButtonsDisabled(false, excludeCancelBtn)
                 }
             });
         }
 
         $(this.editButton).on('click', function(e) {
             e.preventDefault();
 
             $(self.previewButton).parent().removeClass('active');
             $(self.previewContainer).hide();
 
             $(self.editButton).parent().addClass('active');
             $(self.editContainer).show();
 
         });
 
         $(this.previewButton).on('click', function(e) {
             e.preventDefault();
             var text = self.cm.getValue();
 
             if (text === "") {
                 return;
             }
 
             var postData = {
                 'text': text,
                 'renderer': templateContext.visual.default_renderer,
                 'csrf_token': CSRF_TOKEN
             };
 
             // lock ALL buttons on preview
             self.setActionButtonsDisabled(true);
 
             $(self.previewBoxSelector).addClass('unloaded');
             $(self.previewBoxSelector).html(_gettext('Loading ...'));
 
             $(self.editContainer).hide();
             $(self.previewContainer).show();
 
             // by default we reset state of comment preserving the text
             var previewFailCallback = function(jqXHR, textStatus, errorThrown) {
                 var prefix = "Error while preview of comment.\n"
                 var message = formatErrorMessage(jqXHR, textStatus, errorThrown, prefix);
                 ajaxErrorSwal(message);
 
                 self.resetCommentFormState(text)
             };
             self.submitAjaxPOST(
                 self.previewUrl, postData, self.previewSuccessCallback,
                 previewFailCallback);
 
             $(self.previewButton).parent().addClass('active');
             $(self.editButton).parent().removeClass('active');
         });
 
         $(this.submitForm).submit(function(e) {
             e.preventDefault();
             var allowedToSubmit = self.isAllowedToSubmit();
             if (!allowedToSubmit){
                return false;
             }
             self.handleFormSubmit();
         });
 
     }
 
     return CommentForm;
 });
 
 /* comments controller */
 var CommentsController = function() {
   var mainComment = '#text';
   var self = this;
 
   this.cancelComment = function (node) {
       var $node = $(node);
       var edit = $(this).attr('edit');
       if (edit) {
           var $general_comments = null;
           var $inline_comments = $node.closest('div.inline-comments');
           if (!$inline_comments.length) {
               $general_comments = $('#comments');
               var $comment = $general_comments.parent().find('div.comment:hidden');
               // show hidden general comment form
               $('#cb-comment-general-form-placeholder').show();
           } else {
               var $comment = $inline_comments.find('div.comment:hidden');
           }
           $comment.show();
       }
       $node.closest('.comment-inline-form').remove();
       return false;
   };
 
    this.showVersion = function (node) {
        var $node = $(node);
        var selectedIndex = $node.context.selectedIndex;
        var option = $node.find('option[value="'+ selectedIndex +'"]');
        var zero_option = $node.find('option[value="0"]');
        if (!option){
            return;
        }
 
        // little trick to cheat onchange and allow to display the same version again
        $node.context.selectedIndex = 0;
        zero_option.text(selectedIndex);
 
        var comment_history_id = option.attr('data-comment-history-id');
        var comment_id = option.attr('data-comment-id');
        var historyViewUrl = pyroutes.url(
            'repo_commit_comment_history_view',
            {
                'repo_name': templateContext.repo_name,
                'commit_id': comment_id,
                'comment_history_id': comment_history_id,
            }
        );
        successRenderCommit = function (data) {
            SwalNoAnimation.fire({
                html: data,
                title: '',
            });
        };
        failRenderCommit = function () {
            SwalNoAnimation.fire({
                html: 'Error while loading comment',
                title: '',
            });
        };
        _submitAjaxPOST(
            historyViewUrl, {'csrf_token': CSRF_TOKEN}, successRenderCommit,
            failRenderCommit
        );
    };
 
   this.getLineNumber = function(node) {
       var $node = $(node);
       var lineNo = $node.closest('td').attr('data-line-no');
       if (lineNo === undefined && $node.data('commentInline')){
           lineNo = $node.data('commentLineNo')
       }
 
       return lineNo
   };
 
   this.scrollToComment = function(node, offset, outdated) {
     if (offset === undefined) {
       offset = 0;
     }
     var outdated = outdated || false;
     var klass = outdated ? 'div.comment-outdated' : 'div.comment-current';
 
     if (!node) {
       node = $('.comment-selected');
       if (!node.length) {
         node = $('comment-current')
       }
     }
 
     $wrapper = $(node).closest('div.comment');
 
     // show hidden comment when referenced.
     if (!$wrapper.is(':visible')){
         $wrapper.show();
     }
 
     $comment = $(node).closest(klass);
     $comments = $(klass);
 
     $('.comment-selected').removeClass('comment-selected');
 
     var nextIdx = $(klass).index($comment) + offset;
     if (nextIdx >= $comments.length) {
       nextIdx = 0;
     }
     var $next = $(klass).eq(nextIdx);
 
     var $cb = $next.closest('.cb');
     $cb.removeClass('cb-collapsed');
 
     var $filediffCollapseState = $cb.closest('.filediff').prev();
     $filediffCollapseState.prop('checked', false);
     $next.addClass('comment-selected');
     scrollToElement($next);
     return false;
   };
 
   this.nextComment = function(node) {
     return self.scrollToComment(node, 1);
   };
 
   this.prevComment = function(node) {
     return self.scrollToComment(node, -1);
   };
 
   this.nextOutdatedComment = function(node) {
     return self.scrollToComment(node, 1, true);
   };
 
   this.prevOutdatedComment = function(node) {
     return self.scrollToComment(node, -1, true);
   };
 
   this._deleteComment = function(node) {
       var $node = $(node);
       var $td = $node.closest('td');
       var $comment = $node.closest('.comment');
       var comment_id = $comment.attr('data-comment-id');
       var url = AJAX_COMMENT_DELETE_URL.replace('__COMMENT_ID__', comment_id);
       var postData = {
         'csrf_token': CSRF_TOKEN
       };
 
       $comment.addClass('comment-deleting');
       $comment.hide('fast');
 
       var success = function(response) {
         $comment.remove();
         return false;
       };
       var failure = function(jqXHR, textStatus, errorThrown) {
         var prefix = "Error while deleting this comment.\n"
         var message = formatErrorMessage(jqXHR, textStatus, errorThrown, prefix);
         ajaxErrorSwal(message);
 
         $comment.show('fast');
         $comment.removeClass('comment-deleting');
         return false;
       };
       ajaxPOST(url, postData, success, failure);
   }
 
   this.deleteComment = function(node) {
     var $comment = $(node).closest('.comment');
     var comment_id = $comment.attr('data-comment-id');
 
     SwalNoAnimation.fire({
       title: 'Delete this comment?',
       icon: 'warning',
       showCancelButton: true,
       confirmButtonText: _gettext('Yes, delete comment #{0}!').format(comment_id),
 
     }).then(function(result) {
       if (result.value) {
         self._deleteComment(node);
       }
     })
   };
 
   this.toggleWideMode = function (node) {
       if ($('#content').hasClass('wrapper')) {
           $('#content').removeClass("wrapper");
           $('#content').addClass("wide-mode-wrapper");
           $(node).addClass('btn-success');
           return true
       } else {
           $('#content').removeClass("wide-mode-wrapper");
           $('#content').addClass("wrapper");
           $(node).removeClass('btn-success');
           return false
       }
 
   };
 
   this.toggleComments = function(node, show) {
     var $filediff = $(node).closest('.filediff');
     if (show === true) {
       $filediff.removeClass('hide-comments');
     } else if (show === false) {
       $filediff.find('.hide-line-comments').removeClass('hide-line-comments');
       $filediff.addClass('hide-comments');
     } else {
       $filediff.find('.hide-line-comments').removeClass('hide-line-comments');
       $filediff.toggleClass('hide-comments');
     }
     return false;
   };
 
   this.toggleLineComments = function(node) {
     self.toggleComments(node, true);
     var $node = $(node);
     // mark outdated comments as visible before the toggle;
     $(node.closest('tr')).find('.comment-outdated').show();
     $node.closest('tr').toggleClass('hide-line-comments');
   };
 
   this.createCommentForm = function(formElement, lineno, placeholderText, initAutocompleteActions, resolvesCommentId, edit, comment_id){
       var pullRequestId = templateContext.pull_request_data.pull_request_id;
       var commitId = templateContext.commit_data.commit_id;
 
       var commentForm = new CommentForm(
           formElement, commitId, pullRequestId, lineno, initAutocompleteActions, resolvesCommentId, edit, comment_id);
       var cm = commentForm.getCmInstance();
 
       if (resolvesCommentId){
         var placeholderText = _gettext('Leave a resolution comment, or click resolve button to resolve TODO comment #{0}').format(resolvesCommentId);
       }
 
       setTimeout(function() {
           // callbacks
           if (cm !== undefined) {
               commentForm.setPlaceholder(placeholderText);
               if (commentForm.isInline()) {
                 cm.focus();
                 cm.refresh();
               }
           }
       }, 10);
 
       // trigger scrolldown to the resolve comment, since it might be away
       // from the clicked
       if (resolvesCommentId){
         var actionNode = $(commentForm.resolvesActionId).offset();
 
         setTimeout(function() {
             if (actionNode) {
                 $('body, html').animate({scrollTop: actionNode.top}, 10);
             }
         }, 100);
       }
 
         // add dropzone support
         var insertAttachmentText = function (cm, attachmentName, attachmentStoreUrl, isRendered) {
             var renderer = templateContext.visual.default_renderer;
             if (renderer == 'rst') {
                 var attachmentUrl = '`#{0} <{1}>`_'.format(attachmentName, attachmentStoreUrl);
                 if (isRendered){
                     attachmentUrl = '\n.. image:: {0}'.format(attachmentStoreUrl);
                 }
             } else if (renderer == 'markdown') {
                 var attachmentUrl = '[{0}]({1})'.format(attachmentName, attachmentStoreUrl);
                 if (isRendered){
                     attachmentUrl = '!' + attachmentUrl;
                 }
             } else {
                 var attachmentUrl = '{}'.format(attachmentStoreUrl);
             }
             cm.replaceRange(attachmentUrl+'\n', CodeMirror.Pos(cm.lastLine()));
 
             return false;
         };
 
         //see: https://www.dropzonejs.com/#configuration
         var storeUrl = pyroutes.url('repo_commit_comment_attachment_upload',
             {'repo_name': templateContext.repo_name,
                      'commit_id': templateContext.commit_data.commit_id})
 
         var previewTmpl = $(formElement).find('.comment-attachment-uploader-template').get(0);
         if (previewTmpl !== undefined){
             var selectLink = $(formElement).find('.pick-attachment').get(0);
             $(formElement).find('.comment-attachment-uploader').dropzone({
                 url: storeUrl,
                 headers: {"X-CSRF-Token": CSRF_TOKEN},
                 paramName: function () {
                     return "attachment"
                 }, // The name that will be used to transfer the file
                 clickable: selectLink,
                 parallelUploads: 1,
                 maxFiles: 10,
                 maxFilesize: templateContext.attachment_store.max_file_size_mb,
                 uploadMultiple: false,
                 autoProcessQueue: true, // if false queue will not be processed automatically.
                 createImageThumbnails: false,
                 previewTemplate: previewTmpl.innerHTML,
 
                 accept: function (file, done) {
                     done();
                 },
                 init: function () {
 
                     this.on("sending", function (file, xhr, formData) {
                         $(formElement).find('.comment-attachment-uploader').find('.dropzone-text').hide();
                         $(formElement).find('.comment-attachment-uploader').find('.dropzone-upload').show();
                     });
 
                     this.on("success", function (file, response) {
                         $(formElement).find('.comment-attachment-uploader').find('.dropzone-text').show();
                         $(formElement).find('.comment-attachment-uploader').find('.dropzone-upload').hide();
 
                         var isRendered = false;
                         var ext = file.name.split('.').pop();
                         var imageExts = templateContext.attachment_store.image_ext;
                         if (imageExts.indexOf(ext) !== -1){
                             isRendered = true;
                         }
 
                         insertAttachmentText(cm, file.name, response.repo_fqn_access_path, isRendered)
                     });
 
                     this.on("error", function (file, errorMessage, xhr) {
                         $(formElement).find('.comment-attachment-uploader').find('.dropzone-upload').hide();
 
                         var error = null;
 
                         if (xhr !== undefined){
                             var httpStatus = xhr.status + " " + xhr.statusText;
                             if (xhr !== undefined && xhr.status >= 500) {
                                 error = httpStatus;
                             }
                         }
 
                         if (error === null) {
                             error = errorMessage.error || errorMessage || httpStatus;
                         }
                         $(file.previewElement).find('.dz-error-message').html('ERROR: {0}'.format(error));
 
                     });
                 }
             });
         }
       return commentForm;
   };
 
   this.createGeneralComment = function (lineNo, placeholderText, resolvesCommentId) {
 
       var tmpl = $('#cb-comment-general-form-template').html();
       tmpl = tmpl.format(null, 'general');
       var $form = $(tmpl);
 
       var $formPlaceholder = $('#cb-comment-general-form-placeholder');
       var curForm = $formPlaceholder.find('form');
       if (curForm){
           curForm.remove();
       }
       $formPlaceholder.append($form);
 
       var _form = $($form[0]);
       var autocompleteActions = ['approve', 'reject', 'as_note', 'as_todo'];
       var edit = false;
       var comment_id = null;
       var commentForm = this.createCommentForm(
           _form, lineNo, placeholderText, autocompleteActions, resolvesCommentId, edit, comment_id);
       commentForm.initStatusChangeSelector();
 
       return commentForm;
   };
   this.editComment = function(node) {
       var $node = $(node);
       var $comment = $(node).closest('.comment');
       var comment_id = $comment.attr('data-comment-id');
       var $form = null
 
       var $comments = $node.closest('div.inline-comments');
       var $general_comments = null;
       var lineno = null;
 
       if($comments.length){
           // inline comments setup
           $form = $comments.find('.comment-inline-form');
           lineno = self.getLineNumber(node)
       }
       else{
           // general comments setup
           $comments = $('#comments');
           $form = $comments.find('.comment-inline-form');
           lineno = $comment[0].id
           $('#cb-comment-general-form-placeholder').hide();
       }
 
       this.edit = true;
 
       if (!$form.length) {
 
           var $filediff = $node.closest('.filediff');
           $filediff.removeClass('hide-comments');
           var f_path = $filediff.attr('data-f-path');
 
           // create a new HTML from template
 
           var tmpl = $('#cb-comment-inline-form-template').html();
           tmpl = tmpl.format(escapeHtml(f_path), lineno);
           $form = $(tmpl);
           $comment.after($form)
 
           var _form = $($form[0]).find('form');
           var autocompleteActions = ['as_note',];
           var commentForm = this.createCommentForm(
               _form, lineno, '', autocompleteActions, resolvesCommentId,
               this.edit, comment_id);
           var old_comment_text_binary = $comment.attr('data-comment-text');
           var old_comment_text = b64DecodeUnicode(old_comment_text_binary);
           commentForm.cm.setValue(old_comment_text);
           $comment.hide();
 
            $.Topic('/ui/plugins/code/comment_form_built').prepareOrPublish({
                form: _form,
                parent: $comments,
                lineno: lineno,
                f_path: f_path}
            );
            // set a CUSTOM submit handler for inline comments.
             commentForm.setHandleFormSubmit(function(o) {
               var text = commentForm.cm.getValue();
               var commentType = commentForm.getCommentType();
               var resolvesCommentId = commentForm.getResolvesId();
 
               if (text === "") {
                 return;
               }
               if (old_comment_text == text) {
                   SwalNoAnimation.fire({
-                      title: 'Error',
-                      html: _gettext('Comment body should be changed'),
+                      title: 'Unable to edit comment',
+                      html: _gettext('Comment body was not changed.'),
                   });
                   return;
               }
               var excludeCancelBtn = false;
               var submitEvent = true;
               commentForm.setActionButtonsDisabled(true, excludeCancelBtn, submitEvent);
               commentForm.cm.setOption("readOnly", true);
               var dropDown = $('#comment_history_for_comment_'+comment_id);
 
               var version = dropDown.children().last().val()
               if(!version){
                   version = 0;
               }
               var postData = {
                   'text': text,
                   'f_path': f_path,
                   'line': lineno,
                   'comment_type': commentType,
                   'csrf_token': CSRF_TOKEN,
                   'version': version,
               };
 
               var submitSuccessCallback = function(json_data) {
                 $form.remove();
                 $comment.show();
                 var postData = {
                     'text': text,
                     'renderer': $comment.attr('data-comment-renderer'),
                     'csrf_token': CSRF_TOKEN
                 };
 
                 var updateCommentVersionDropDown = function () {
                     var dropDown = $('#comment_history_for_comment_'+comment_id);
                     $comment.attr('data-comment-text', btoa(text));
                     var version = json_data['comment_version']
                     var option = new Option(version, version);
                     var $option = $(option);
                     $option.attr('data-comment-history-id', json_data['comment_history_id']);
                     $option.attr('data-comment-id', json_data['comment_id']);
                     dropDown.append(option);
                     dropDown.parent().show();
                 }
                 updateCommentVersionDropDown();
                 // by default we reset state of comment preserving the text
                 var failRenderCommit = function(jqXHR, textStatus, errorThrown) {
                     var prefix = "Error while editing of comment.\n"
                     var message = formatErrorMessage(jqXHR, textStatus, errorThrown, prefix);
                     ajaxErrorSwal(message);
 
                 };
                 var successRenderCommit = function(o){
                     $comment.show();
                     $comment[0].lastElementChild.innerHTML = o;
                 }
                 var previewUrl = pyroutes.url('repo_commit_comment_preview',
                 {'repo_name': templateContext.repo_name,
                 'commit_id': templateContext.commit_data.commit_id});
 
                 _submitAjaxPOST(
                     previewUrl, postData, successRenderCommit,
                     failRenderCommit
                 );
 
                 try {
                   var html = json_data.rendered_text;
                   var lineno = json_data.line_no;
                   var target_id = json_data.target_id;
 
                   $comments.find('.cb-comment-add-button').before(html);
 
                   //mark visually which comment was resolved
                   if (resolvesCommentId) {
                       commentForm.markCommentResolved(resolvesCommentId);
                   }
 
                  //  run global callback on submit
                   commentForm.globalSubmitSuccessCallback();
 
                 } catch (e) {
                   console.error(e);
                 }
 
                 // re trigger the linkification of next/prev navigation
                 linkifyComments($('.inline-comment-injected'));
                 timeagoActivate();
                 tooltipActivate();
 
                 if (window.updateSticky !== undefined) {
                     // potentially our comments change the active window size, so we
                     // notify sticky elements
                     updateSticky()
                 }
 
                 commentForm.setActionButtonsDisabled(false);
 
               };
               var submitFailCallback = function(jqXHR, textStatus, errorThrown) {
                   var prefix = "Error while editing comment.\n"
                   var message = formatErrorMessage(jqXHR, textStatus, errorThrown, prefix);
                   ajaxErrorSwal(message);
                   commentForm.resetCommentFormState(text)
               };
               commentForm.submitAjaxPOST(
                   commentForm.submitUrl, postData, submitSuccessCallback, submitFailCallback);
             });
       }
 
       $form.addClass('comment-inline-form-open');
   };
   this.createComment = function(node, resolutionComment) {
       var resolvesCommentId = resolutionComment || null;
       var $node = $(node);
       var $td = $node.closest('td');
       var $form = $td.find('.comment-inline-form');
       this.edit = false;
 
       if (!$form.length) {
 
           var $filediff = $node.closest('.filediff');
           $filediff.removeClass('hide-comments');
           var f_path = $filediff.attr('data-f-path');
           var lineno = self.getLineNumber(node);
           // create a new HTML from template
           var tmpl = $('#cb-comment-inline-form-template').html();
           tmpl = tmpl.format(escapeHtml(f_path), lineno);
           $form = $(tmpl);
 
           var $comments = $td.find('.inline-comments');
           if (!$comments.length) {
             $comments = $(
               $('#cb-comments-inline-container-template').html());
             $td.append($comments);
           }
 
           $td.find('.cb-comment-add-button').before($form);
 
           var placeholderText = _gettext('Leave a comment on line {0}.').format(lineno);
           var _form = $($form[0]).find('form');
           var autocompleteActions = ['as_note', 'as_todo'];
           var comment_id=null;
           var commentForm = this.createCommentForm(
               _form, lineno, placeholderText, autocompleteActions, resolvesCommentId, this.edit, comment_id);
 
           $.Topic('/ui/plugins/code/comment_form_built').prepareOrPublish({
               form: _form,
               parent: $td[0],
               lineno: lineno,
               f_path: f_path}
           );
 
           // set a CUSTOM submit handler for inline comments.
           commentForm.setHandleFormSubmit(function(o) {
             var text = commentForm.cm.getValue();
             var commentType = commentForm.getCommentType();
             var resolvesCommentId = commentForm.getResolvesId();
 
             if (text === "") {
               return;
             }
 
             if (lineno === undefined) {
               alert('missing line !');
               return;
             }
             if (f_path === undefined) {
               alert('missing file path !');
               return;
             }
 
             var excludeCancelBtn = false;
             var submitEvent = true;
             commentForm.setActionButtonsDisabled(true, excludeCancelBtn, submitEvent);
             commentForm.cm.setOption("readOnly", true);
             var postData = {
                 'text': text,
                 'f_path': f_path,
                 'line': lineno,
                 'comment_type': commentType,
                 'csrf_token': CSRF_TOKEN
             };
             if (resolvesCommentId){
                 postData['resolves_comment_id'] = resolvesCommentId;
             }
 
             var submitSuccessCallback = function(json_data) {
               $form.remove();
               try {
                 var html = json_data.rendered_text;
                 var lineno = json_data.line_no;
                 var target_id = json_data.target_id;
 
                 $comments.find('.cb-comment-add-button').before(html);
 
                 //mark visually which comment was resolved
                 if (resolvesCommentId) {
                     commentForm.markCommentResolved(resolvesCommentId);
                 }
 
                 // run global callback on submit
                 commentForm.globalSubmitSuccessCallback();
 
               } catch (e) {
                 console.error(e);
               }
 
               // re trigger the linkification of next/prev navigation
               linkifyComments($('.inline-comment-injected'));
               timeagoActivate();
               tooltipActivate();
 
               if (window.updateSticky !== undefined) {
                   // potentially our comments change the active window size, so we
                   // notify sticky elements
                   updateSticky()
               }
 
               commentForm.setActionButtonsDisabled(false);
 
             };
             var submitFailCallback = function(jqXHR, textStatus, errorThrown) {
                 var prefix = "Error while submitting comment.\n"
                 var message = formatErrorMessage(jqXHR, textStatus, errorThrown, prefix);
                 ajaxErrorSwal(message);
                 commentForm.resetCommentFormState(text)
             };
             commentForm.submitAjaxPOST(
                 commentForm.submitUrl, postData, submitSuccessCallback, submitFailCallback);
           });
       }
 
       $form.addClass('comment-inline-form-open');
   };
 
   this.createResolutionComment = function(commentId){
     // hide the trigger text
     $('#resolve-comment-{0}'.format(commentId)).hide();
 
     var comment = $('#comment-'+commentId);
     var commentData = comment.data();
     if (commentData.commentInline) {
         this.createComment(comment, commentId)
     } else {
         Rhodecode.comments.createGeneralComment('general', "$placeholder", commentId)
     }
 
     return false;
   };
 
   this.submitResolution = function(commentId){
     var form = $('#resolve_comment_{0}'.format(commentId)).closest('form');
     var commentForm = form.get(0).CommentForm;
 
     var cm = commentForm.getCmInstance();
     var renderer = templateContext.visual.default_renderer;
     if (renderer == 'rst'){
         var commentUrl = '`#{0} <{1}#comment-{0}>`_'.format(commentId, commentForm.selfUrl);
     } else if (renderer == 'markdown') {
         var commentUrl = '[#{0}]({1}#comment-{0})'.format(commentId, commentForm.selfUrl);
     } else {
         var commentUrl = '{1}#comment-{0}'.format(commentId, commentForm.selfUrl);
     }
 
     cm.setValue(_gettext('TODO from comment {0} was fixed.').format(commentUrl));
     form.submit();
     return false;
   };
 
 };