Fix aces#6195 regression

Author: laemtl

modules/help_editor/.gitignore

@@ -1,2 +1,4 @@
 js/columnFormatter.js
 js/help_editor.js
+js/help_editor_helper.js
+

modules/help_editor/js/help_editor_helper.js

@@ -0,0 +1,84 @@
+/* eslint new-cap: ["error", {capIsNewExceptions: ["RMarkdown"]}]*/
+import swal from 'sweetalert2';
+
+$(document).ready(function() {
+    $('input[name=preview]').click(function(e) {
+        if ($('div.help-content').length) {
+            $('div.help-content').remove();
+            e.preventDefault();
+        }
+        let title = $('input[name="title"]').val();
+        let content = $('textarea[name="content"]').val();
+        let div = document.createElement('div');
+        let btn = document.createElement('BUTTON');
+        let button = document.createTextNode('Close');
+        let wrap = document.createElement('div');
+
+        wrap.setAttribute('id', 'help-wrapper');
+        wrap.innerHTML = '<h1>' + title + '</h1>';
+        let markdownContent = document.createElement('div');
+        ReactDOM.render(
+            RMarkdown({content: content}),
+            markdownContent
+        );
+        wrap.appendChild(markdownContent);
+        btn.appendChild(button);
+        btn.className='btn btn-default';
+        btn.setAttribute('id', 'helpclose');
+        div.appendChild(btn);
+        div.appendChild(wrap);
+        document.getElementById('wrap').appendChild(div);
+        div.setAttribute('class', 'help-content');
+        btn.addEventListener('click', function(e) {
+            $(div).remove();
+            e.preventDefault();
+        });
+        e.preventDefault();
+    });
+
+    $('#save-help').click(function(e) {
+        e.preventDefault();
+        let title = $('input[name="title"]').val();
+        let content = $('textarea[name="content"]').val();
+        let section = $('#section').val();
+        let subsection = $('#subsection').val();
+        let parentID = $('#parentID').val();
+        let helpID = $('#helpID').val();
+        let returnString = $('#return').val();
+
+        $.ajax({
+            type: 'POST',
+            url: loris.BaseURL + '/help_editor/ajax/process.php',
+            data: {
+                title: title ? title : '',
+                content: content ? content : '',
+                section: section ? section : '',
+                subsection: subsection ? subsection : '',
+                parentID: parentID ? parentID : '',
+                helpID: helpID ? helpID : '',
+            },
+            success: function() {
+                swal.fire({
+                    title: 'Content update successful!',
+                    type: 'success',
+                    showCancelButton: true,
+                    confirmButtonText: returnString,
+                    cancelButtonText: 'Close',
+                }).then((result) => {
+                    if (result.value) {
+                        location.href = document.referrer;
+                    }
+                });
+            },
+            error: function(xhr, errorCode, errorMsg) {
+                console.error(xhr);
+                swal.fire({
+                    title: 'Content update unsuccessful.',
+                    text: errorCode + ': ' + xhr.status + ' ' + errorMsg,
+                    type: 'error',
+                    confirmButtonText: 'Try again',
+                });
+            },
+        });
+    });
+});