jobsub.ko.js 11 KB

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  1. // Licensed to Cloudera, Inc. under one
  2. // or more contributor license agreements. See the NOTICE file
  3. // distributed with this work for additional information
  4. // regarding copyright ownership. Cloudera, Inc. licenses this file
  5. // to you under the Apache License, Version 2.0 (the
  6. // "License"); you may not use this file except in compliance
  7. // with the License. You may obtain a copy of the License at
  8. //
  9. // http://www.apache.org/licenses/LICENSE-2.0
  10. //
  11. // Unless required by applicable law or agreed to in writing, software
  12. // distributed under the License is distributed on an "AS IS" BASIS,
  13. // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  14. // See the License for the specific language governing permissions and
  15. // limitations under the License.
  16. /**
  17. * Design representation
  18. */
  19. var Design = (function($, ko, NodeFields) {
  20. var module = function(options) {
  21. var self = this;
  22. self.options = {};
  23. self.model = {};
  24. self.initialize(options);
  25. };
  26. // NodeFields is defined in oozie/static/js/workflow.node-fields.js.
  27. // It provides the more advanced field manipulation for the fields
  28. // that hava JSON representation.
  29. $.extend(module.prototype, NodeFields, {
  30. initialize: function(options) {
  31. var self = this;
  32. self.options = $.extend(self.options, options);
  33. self.model = options.model;
  34. self.model.errors = self.model.errors || {};
  35. for(var key in self.model) {
  36. switch(key) {
  37. case 'initialize':
  38. case 'toString':
  39. case 'errors':
  40. break;
  41. default:
  42. if (!(key in self.model.errors)) {
  43. self.model.errors[key] = [];
  44. }
  45. break;
  46. }
  47. }
  48. // @see http://knockoutjs.com/documentation/plugins-mapping.html
  49. // MAPPING_OPTIONS comes from /oozie/static/js/models.js
  50. // We don't update the observed object using ko.mapping because
  51. // the plugin does not work with mixed objects.
  52. ko.mapping.fromJS(self.model, MAPPING_OPTIONS, self);
  53. // hack on '<key>ErrorClass' and '<key>Condition'.
  54. $.each(self.__ko_mapping__, function(key, enabled) {
  55. if (ko.isObservable(self[key])) {
  56. self[key+'_condition'] = ko.computed(function() {
  57. return self[key]().length > 0;
  58. });
  59. self[key+'_error_class'] = ko.computed(function() {
  60. return ( self.errors[key]().length > 0 ) ? 'control-group error' : 'control-group';
  61. });
  62. }
  63. });
  64. if (!('is_dirty' in self)) {
  65. self.is_dirty = ko.observable(true);
  66. }
  67. if (!('new' in self)) {
  68. self.new = ko.computed(function() {
  69. return !self.id();
  70. });
  71. }
  72. $(document).trigger('initialize.design', [options, self]);
  73. },
  74. request: function(url, options) {
  75. var self = this;
  76. var request = $.extend({
  77. url: url,
  78. dataType: 'json',
  79. type: 'GET',
  80. success: $.noop,
  81. error: $.noop
  82. }, options || {});
  83. $.ajax(request);
  84. },
  85. load: function(options) {
  86. var self = this;
  87. var options = $.extend({
  88. success: function(data) {
  89. self.is_dirty(false);
  90. $(document).trigger('load.design', [options, data]);
  91. }
  92. }, options);
  93. this.request('/jobsub/designs/' + self.id(), options);
  94. },
  95. save: function(options) {
  96. // First try to save, then update error list if fail.
  97. // Response should be json object. IE: {data: {errors: {files: ['example', ...], ... }}}
  98. var self = this;
  99. var model_dict = {};
  100. $.each(ko.mapping.toJS(self), function(key, value) {
  101. if (key != 'errors') {
  102. model_dict[key] = ko.utils.unwrapObservable(value);
  103. }
  104. });
  105. var data = normalize_model_fields($.parseJSON(JSON.stringify(model_dict)));
  106. var options = $.extend({
  107. type: 'POST',
  108. data: data,
  109. error: function(xhr) {
  110. var response = $.parseJSON(xhr.responseText);
  111. if (response) {
  112. var model = ko.mapping.toJS(self);
  113. $.extend(model.errors, response.data.errors);
  114. ko.mapping.fromJS(model, self);
  115. $(document).trigger('error.design', [options, data]);
  116. }
  117. },
  118. success: function(data) {
  119. $(document).trigger('save.design', [options, data]);
  120. }
  121. }, options);
  122. self.request((self.new()) ? '/jobsub/designs/'+self.node_type()+'/new' : '/jobsub/designs/'+self.id()+'/save', options);
  123. },
  124. clone: function(options) {
  125. var self = this;
  126. var options = $.extend({
  127. type: 'POST',
  128. success: function(data) {
  129. $(document).trigger('clone.design', [options, data]);
  130. }
  131. }, options);
  132. this.request('/jobsub/designs/' + self.id() + '/clone', options);
  133. },
  134. delete: function(options) {
  135. var self = this;
  136. var options = $.extend({
  137. type: 'POST',
  138. success: function(data) {
  139. $(document).trigger('delete.design', [options, data]);
  140. }
  141. }, options);
  142. this.request('/jobsub/designs/' + self.id() + '/delete', options);
  143. }
  144. });
  145. return module;
  146. })($, ko, NodeFields);
  147. /**
  148. * List of designs
  149. */
  150. var Designs = (function($, ko, NodeModelChooser) {
  151. var module = function(options) {
  152. var self = this;
  153. self.options = options || {
  154. models: []
  155. };
  156. self.temporary = ko.observable();
  157. self.designs = ko.observableArray([]);
  158. self.selectedDesignObjects = ko.computed(function() {
  159. var selected = [];
  160. $.each(self.designs(), function(index, designObject) {
  161. if (designObject.selected()) {
  162. selected.push(designObject);
  163. }
  164. });
  165. return selected;
  166. });
  167. self.selectedDesignObject = ko.computed(function () {
  168. return self.selectedDesignObjects()[0];
  169. });
  170. self.selectedDesign = ko.computed(function() {
  171. if (self.selectedDesignObject()) {
  172. return self.selectedDesignObject().design();
  173. } else {
  174. return null;
  175. }
  176. });
  177. self.selectedIndex = ko.computed(function() {
  178. var selected = -1;
  179. $.each(self.designs(), function(index, designObject) {
  180. if (selected == -1 && designObject.selected()) {
  181. selected = index;
  182. }
  183. });
  184. return selected;
  185. });
  186. self.allSelected = ko.computed(function() {
  187. return self.selectedDesignObjects().length == self.designs().length;
  188. });
  189. self.initialize(options);
  190. };
  191. $.extend(module.prototype, {
  192. initialize: function(options) {
  193. var self = this;
  194. self.options = $.extend(self.options, options);
  195. self.designs.removeAll();
  196. self.createDesigns(self.options.models);
  197. self.temporary({
  198. design: ko.observable(null),
  199. selected: ko.observable(false),
  200. template: ko.observable(null)
  201. })
  202. self.deselectAll();
  203. $(document).trigger('initialize.designs', [options, self]);
  204. },
  205. load: function(options) {
  206. // Fetch designs from backend.
  207. var self = this;
  208. var request = $.extend({
  209. url: '/jobsub/designs',
  210. dataType: 'json',
  211. type: 'GET',
  212. success: function(data) {
  213. $(document).trigger('load.designs', [options, data]);
  214. self.initialize({models: data});
  215. },
  216. error: $.noop
  217. }, options || {});
  218. $.ajax(request);
  219. },
  220. ensureListFields: function(model) {
  221. if (!('name' in model)) {
  222. model.name = '';
  223. }
  224. if (!('description' in model)) {
  225. model.description = '';
  226. }
  227. if (!('owner' in model)) {
  228. model.owner = '';
  229. }
  230. if (!('last_modified' in model)) {
  231. model.last_modified = 0;
  232. }
  233. return model;
  234. },
  235. createDesign: function(model) {
  236. var self = this;
  237. var NodeModel = NodeModelChooser(model.node_type);
  238. var node_model = new NodeModel(self.ensureListFields(model));
  239. var design = new Design({model: node_model});
  240. return design;
  241. },
  242. createDesigns: function(models) {
  243. var self = this;
  244. $.each(models, function(index, model) {
  245. self.designs.push({
  246. design: ko.observable(self.createDesign(model)),
  247. selected: ko.observable(false),
  248. template: ko.observable(model.node_type)
  249. });
  250. });
  251. },
  252. toggleSelect: function(index) {
  253. var self = this;
  254. self.designs()[index].selected(!self.designs()[index].selected());
  255. },
  256. select: function(index) {
  257. var self = this;
  258. self.designs()[index].selected(true);
  259. },
  260. toggleSelectAll: function() {
  261. var self = this;
  262. if (self.allSelected()) {
  263. self.deselectAll();
  264. } else {
  265. self.selectAll();
  266. }
  267. },
  268. selectAll: function() {
  269. var self = this;
  270. $.each(self.designs(), function(index, value) {
  271. value.selected(true);
  272. });
  273. },
  274. deselectAll: function() {
  275. var self = this;
  276. $.each(self.designs(), function(index, value) {
  277. value.selected(false);
  278. });
  279. },
  280. //// Design delegation
  281. newDesign: function(node_type) {
  282. var self = this;
  283. var design = self.createDesign({
  284. id: null,
  285. node_type: node_type
  286. });
  287. // Reversing the order of the next two statements may cause KO to break.
  288. self.temporary().template(node_type);
  289. self.temporary().design(design);
  290. $(document).trigger('new.design', [design]);
  291. },
  292. saveDesign: function(data, event) {
  293. var self = this;
  294. self.temporary().design().save();
  295. },
  296. cloneDesigns: function() {
  297. var self = this;
  298. $.each(self.selectedDesignObjects(), function(index, designObject) {
  299. designObject.design().clone();
  300. });
  301. },
  302. deleteDesigns: function() {
  303. var self = this;
  304. $.each(self.selectedDesignObjects(), function(index, designObject) {
  305. designObject.design().delete();
  306. });
  307. },
  308. editDesign: function(index) {
  309. var self = this;
  310. if (self.selectedDesignObject()) {
  311. var design = self.selectedDesignObject().design();
  312. if (design.is_dirty()) {
  313. $(document).one('load.design', function(e, options, data) {
  314. design.initialize({model: data});
  315. self.temporary().design(design);
  316. self.temporary().template(self.selectedDesignObject().template());
  317. $(document).trigger('edit.design', [design, data]);
  318. });
  319. design.load();
  320. } else {
  321. self.temporary().design(design);
  322. self.temporary().template(self.selectedDesignObject().template());
  323. $(document).trigger('edit.design', [design, data]);
  324. }
  325. }
  326. },
  327. closeDesign: function() {
  328. var self = this;
  329. self.temporary().design(null);
  330. self.temporary().template(null);
  331. }
  332. });
  333. return module;
  334. })($, ko, nodeModelChooser);
  335. var designs = new Designs({models: []});