src/editor/modules/data/data.js

   1 define([
   2     'libs/jquery',
   3     './dialog',
   4     'wlxml/wlxml',
   5     'wlxml/extensions/list/list',
   6     'fnpjs/logging/logging',
   7 ], function($, Dialog, wlxml, listExtension, logging) {
   8
   9 'use strict';
  10 /* global gettext, alert */
  11
  12 var logger = logging.getLogger('editor.modules.data'),
  13     stubDocument = '<section><div>' + gettext('This is an empty document.') + '</div></section>';
  14
  15
  16 return function(sandbox) {
  17
  18     var document_id = sandbox.getBootstrappedData().document_id;
  19     var document_version = sandbox.getBootstrappedData().version;
  20     var history = sandbox.getBootstrappedData().history;
  21
  22     var wlxmlDocument;
  23     try {
  24         wlxmlDocument = wlxml.WLXMLDocumentFromXML(sandbox.getBootstrappedData().document);
  25     } catch(e) {
  26         logger.exception(e);
  27         alert(gettext('This document contains errors and can\'t be loaded. :(')); // TODO
  28         wlxmlDocument = wlxml.WLXMLDocumentFromXML(stubDocument);
  29     }
  30
  31     wlxmlDocument.registerExtension(listExtension);
  32     sandbox.getPlugins().forEach(function(plugin) {
  33         if(plugin.documentExtension) {
  34             wlxmlDocument.registerExtension(plugin.documentExtension);
  35         }
  36     });
  37
  38
  39     function readCookie(name) {
  40         /* global escape, unescape, document */
  41         var nameEQ = escape(name) + '=';
  42         var ca = document.cookie.split(';');
  43         for (var i = 0; i < ca.length; i++) {
  44             var c = ca[i];
  45             while (c.charAt(0) === ' ') {
  46                 c = c.substring(1, c.length);
  47             }
  48             if (c.indexOf(nameEQ) === 0) {
  49                 return unescape(c.substring(nameEQ.length, c.length));
  50             }
  51         }
  52         return null;
  53     }
  54
  55     $.ajaxSetup({
  56         crossDomain: false,
  57         beforeSend: function(xhr, settings) {
  58             if (!(/^(GET|HEAD|OPTIONS|TRACE)$/.test(settings.type))) {
  59                 xhr.setRequestHeader('X-CSRFToken', readCookie('csrftoken'));
  60             }
  61         }
  62     });
  63
  64     var reloadHistory = function() {
  65         $.ajax({
  66             method: 'get',
  67             url: sandbox.getConfig().documentHistoryUrl(document_id),
  68             success: function(data) {
  69                 history = data;
  70                 sandbox.publish('historyItemAdded', data.slice(-1)[0]);
  71             },
  72         });
  73     };
  74
  75     return {
  76         start: function() {
  77             sandbox.publish('ready');
  78         },
  79         getDocument: function() {
  80             return wlxmlDocument;
  81         },
  82         saveDocument: function() {
  83             var documentSaveForm = $.extend({
  84                         fields: [],
  85                         content_field_name: 'text',
  86                         version_field_name: 'version'
  87                     },
  88                     sandbox.getConfig().documentSaveForm
  89                 ),
  90                 dialog = Dialog.create({
  91                     fields: documentSaveForm.fields,
  92                     title: gettext('Save Document'),
  93                     submitButtonText: gettext('Save')
  94                 });
  95
  96             dialog.on('save', function(event) {
  97                 sandbox.publish('savingStarted');
  98
  99                 var formData = event.formData;
 100                 formData[documentSaveForm.content_field_name] = wlxmlDocument.toXML();
 101                 formData[documentSaveForm.version_field_name] = document_version;
 102                 if(sandbox.getConfig().jsonifySentData) {
 103                     formData = JSON.stringify(formData);
 104                 }
 105
 106                 dialog.toggleButtons(false);
 107                 $.ajax({
 108                     method: 'post',
 109                     url: sandbox.getConfig().documentSaveUrl(document_id),
 110                     data: formData,
 111                     success: function(data) {
 112                         event.success();
 113                         sandbox.publish('savingEnded', 'success', data.version);
 114                         document_version = data.version;
 115                         reloadHistory();
 116                     },
 117                     error: function() {event.error(); sandbox.publish('savingEnded', 'error');}
 118                 });
 119             });
 120             dialog.on('cancel', function() {
 121             });
 122             dialog.show();
 123
 124
 125         },
 126         getHistory: function() {
 127             return history;
 128         },
 129         fetchDiff: function(ver1, ver2) {
 130             $.ajax({
 131                 method: 'get',
 132                 url: sandbox.getConfig().documentDiffUrl(document_id),
 133                 data: {from: ver1, to: ver2},
 134                 success: function(data) {
 135                     sandbox.publish('diffFetched', {table: data, ver1: ver1, ver2: ver2});
 136                 },
 137             });
 138         },
 139         restoreVersion: function(version) {
 140             var documentRestoreForm = $.extend({
 141                         fields: [],
 142                         version_field_name: 'version'
 143                     },
 144                     sandbox.getConfig().documentRestoreForm
 145                 ),
 146                 dialog = Dialog.create({
 147                     fields: documentRestoreForm.fields,
 148                     title: gettext('Restore Version'),
 149                     submitButtonText: gettext('Restore')
 150                 });
 151
 152             dialog.on('save', function(event) {
 153                 var formData = event.formData;
 154                 formData[documentRestoreForm.version_field_name] = version;
 155                 sandbox.publish('restoringStarted', {version: version});
 156                 if(sandbox.getConfig().jsonifySentData) {
 157                     formData = JSON.stringify(formData);
 158                 }
 159                 $.ajax({
 160                     method: 'post',
 161                     dataType: 'json',
 162                     url: sandbox.getConfig().documentRestoreUrl(document_id),
 163                     data: formData,
 164                     success: function(data) {
 165                         document_version = data.version;
 166                         reloadHistory();
 167                         wlxmlDocument.loadXML(data.document);
 168                         sandbox.publish('documentReverted', data.version);
 169                         event.success();
 170                     },
 171                 });
 172             });
 173             dialog.show();
 174         },
 175         getDocumentId: function() {
 176             return document_id;
 177         },
 178         getDocumentVersion: function() {
 179             return document_version;
 180         }
 181     };
 182 };
 183
 184 });