lib.js 8.2 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. // Start Models
  17. var Collection = function(name) {
  18. var self = this;
  19. self.name = ko.observable(name).extend({'errors': null});
  20. self.fields = ko.observableArray();
  21. // Metadata
  22. self.uniqueKeyField = ko.observable().extend({'errors': null});
  23. self.hasHueCollection = ko.observable(true).extend({'errors': null});
  24. self.hasSolrCollection = ko.observable(true).extend({'errors': null});
  25. self.removeField = function(field) {
  26. if (field.name() != self.uniqueKeyField()) {
  27. self.fields.remove(field);
  28. }
  29. };
  30. self.addField = function(name, type) {
  31. self.fields.push(new Field(self, name, type));
  32. };
  33. self.newField = function() {
  34. self.addField('', 'text_general');
  35. };
  36. self.setData = function(data_json) {
  37. self.data(data_json);
  38. };
  39. };
  40. var Field = function(collection, name, type, required, indexed, stored) {
  41. var self = this;
  42. if (indexed == undefined) {
  43. indexed = type.indexOf('text_') == -1;
  44. }
  45. required = (required == undefined) ? true : !!required;
  46. self.name = ko.observable(name).extend({'errors': null});
  47. self.type = ko.observable(type).extend({'errors': null});
  48. self.required = ko.observable(required).extend({'errors': null});
  49. self.indexed = ko.observable(indexed).extend({'errors': null});
  50. self.stored = ko.observable(stored).extend({'errors': null});
  51. // Metadata
  52. self.saved = ko.observable(false);
  53. self.uniqueKeyField = ko.computed({
  54. 'read': function() {
  55. return collection.uniqueKeyField() == self.name();
  56. },
  57. 'write': function(value) {
  58. collection.uniqueKeyField(self.name());
  59. }
  60. });
  61. self.editable = ko.computed(function() {
  62. return !self.uniqueKeyField() && self.name() != '_version_';
  63. });
  64. self.remove = function() {
  65. collection.removeField(self);
  66. };
  67. };
  68. var HiveDatabase = function(name) {
  69. var self = this;
  70. self.name = ko.observable(name).extend({'errors': null});
  71. self.tables = ko.observableArray();
  72. };
  73. var HiveTable = function(name) {
  74. var self = this;
  75. self.name = ko.observable(name).extend({'errors': null});
  76. self.columns = ko.observableArray();
  77. };
  78. var HBaseCluster = function(name) {
  79. var self = this;
  80. self.name = ko.observable(name).extend({'errors': null});
  81. self.tables = ko.observableArray();
  82. };
  83. var HBaseTable = function(name) {
  84. var self = this;
  85. self.name = ko.observable(name).extend({'errors': null});
  86. };
  87. // End Models
  88. // Start Wizard
  89. var Page = function(url, name, next, validate_fn) {
  90. var self = this;
  91. self.name = ko.observable(name);
  92. self.url = ko.observable(url);
  93. self.next = ko.observable(next);
  94. self.validate = validate_fn || function() { return true; };
  95. };
  96. var Wizard = function() {
  97. var self = this;
  98. self.rootPage = ko.observable();
  99. self.currentPage = ko.observable(self.rootPage());
  100. // Stack of previous pages.
  101. self.previousPages = ko.observableArray();
  102. self.pages = {};
  103. self.hasPrevious = ko.computed(function() {
  104. return self.previousPages().length > 0;
  105. });
  106. self.hasNext = ko.computed(function() {
  107. return !!(self.currentPage() && self.currentPage().next());
  108. });
  109. self.pageList = ko.computed(function() {
  110. var page = self.rootPage();
  111. var pages = [];
  112. while(page) {
  113. pages.push(page);
  114. page = self.pages[page.next()];
  115. }
  116. return pages;
  117. });
  118. self.previousUrl = ko.computed(function() {
  119. if (self.previousPages().length > 0) {
  120. return self.previousPages()[self.previousPages().length - 1].url();
  121. } else {
  122. return null;
  123. }
  124. });
  125. self.nextUrl = ko.computed(function() {
  126. if (self.currentPage() && self.currentPage().next()) {
  127. return self.currentPage().next();
  128. } else {
  129. return null;
  130. }
  131. });
  132. self.next = function() {
  133. if (self.hasNext() && self.currentPage().validate()) {
  134. self.previousPages.push(self.currentPage());
  135. self.currentPage(self.pages[self.currentPage().next()]);
  136. }
  137. };
  138. self.previous = function() {
  139. if (self.hasPrevious()) {
  140. self.currentPage(self.previousPages.pop());
  141. }
  142. };
  143. self.setPageByUrl = function(url) {
  144. var urls = ko.utils.arrayMap(self.pageList(), function(page) {
  145. return page.url();
  146. });
  147. var previousUrls = ko.utils.arrayMap(self.previousPages(), function(page) {
  148. return page.url();
  149. });
  150. if ($.inArray(url, previousUrls) != -1) {
  151. var previousPageURL = null;
  152. self.previous();
  153. while(self.hasPrevious() && self.currentPage().url() != url && self.currentPage().url() != previousPageURL) {
  154. previousPageURL = self.currentPage().url();
  155. self.previous();
  156. }
  157. } else if ($.inArray(url, urls) != -1) {
  158. var previousPageURL = null;
  159. while(self.hasNext() && self.currentPage().url() != url && self.currentPage().url() != previousPageURL) {
  160. previousPageURL = self.currentPage().url();
  161. self.next();
  162. }
  163. }
  164. };
  165. self.getPage = function(url, name, next, validate_fn) {
  166. self.pages;
  167. if (!self.pages[url]) {
  168. self.pages[url] = new Page(url, name, next, validate_fn);
  169. }
  170. return self.pages[url];
  171. };
  172. };
  173. // End Wizard
  174. // Start utils
  175. ko.bindingHandlers.routie = {
  176. init: function(element, valueAccessor, allBindingsAccessor, viewModel, bindingContext) {
  177. $(element).click(function() {
  178. var obj = ko.utils.unwrapObservable(valueAccessor());
  179. var url = null;
  180. var bubble = false;
  181. if ($.isPlainObject(obj)) {
  182. url = obj.url;
  183. bubble = !!obj.bubble;
  184. } else {
  185. url = obj;
  186. }
  187. routie(url);
  188. return bubble;
  189. });
  190. }
  191. };
  192. ko.bindingHandlers.filter = {
  193. init: function(element, valueAccessor, allBindingsAccessor, viewModel, bindingContext) {
  194. var obj = ko.utils.unwrapObservable(valueAccessor());
  195. var test_fn = obj.test;
  196. var list = obj.list;
  197. var filteredList = obj.filteredList;
  198. filteredList(list());
  199. $(element).keyup(function(e) {
  200. if (e.target.value) {
  201. filteredList(ko.utils.arrayFilter(list(), function(obj) {
  202. return test_fn(obj, e.target.value);
  203. }));
  204. } else {
  205. filteredList(list());
  206. }
  207. return (obj.bubble == undefined) ? false : obj.bubble;
  208. });
  209. }
  210. };
  211. ko.extenders.errors = function(target, options) {
  212. target.errors = ko.observableArray();
  213. target.errors.remove = function(obj) {
  214. var index = target.errors().indexOf(obj);
  215. if (index > -1) {
  216. target.errors.splice(index, 1);
  217. }
  218. };
  219. return target;
  220. };
  221. ko.extenders.selectable = function(target, options) {
  222. target.selected = ko.observable(false);
  223. target.toggleSelect = function() {
  224. target.selected(!target.selected());
  225. };
  226. return target;
  227. };
  228. ko.bindingHandlers.chosen = {
  229. init: function(element, options) {
  230. $(element).chosen(options);
  231. },
  232. update: function(element) {
  233. $(element).trigger('chosen:updated');
  234. }
  235. };
  236. ko.bindingHandlers.editableText = {
  237. init: function(element, valueAccessor) {
  238. $(element).attr('contenteditable', true);
  239. $(element).on('click', function() {
  240. $(element).focus();
  241. });
  242. $(element).on('blur', function() {
  243. var observable = valueAccessor();
  244. observable( $(this).text() );
  245. });
  246. },
  247. update: function(element, valueAccessor) {
  248. var value = ko.utils.unwrapObservable(valueAccessor());
  249. $(element).text(value);
  250. }
  251. };
  252. function getCharacterLabel(character) {
  253. var LABELS = {
  254. '\t': '\\t'
  255. };
  256. if (LABELS[character]) {
  257. return LABELS[character];
  258. } else {
  259. return character;
  260. }
  261. }
  262. function validateNotNull(obs, message) {
  263. var ret = true;
  264. if (!obs()) {
  265. obs.errors.push(message);
  266. ret = false;
  267. } else {
  268. obs.errors.remove(message);
  269. }
  270. return ret;
  271. }
  272. // End utils