lib.js 8.1 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. indexed = (indexed == undefined) ? true : !!indexed;
  43. required = (required == undefined) ? true : !!required;
  44. self.name = ko.observable(name).extend({'errors': null});
  45. self.type = ko.observable(type).extend({'errors': null});
  46. self.required = ko.observable(required).extend({'errors': null});
  47. self.indexed = ko.observable(indexed).extend({'errors': null});
  48. self.stored = ko.observable(stored).extend({'errors': null});
  49. // Metadata
  50. self.saved = ko.observable(false);
  51. self.uniqueKeyField = ko.computed({
  52. 'read': function() {
  53. return collection.uniqueKeyField() == self.name();
  54. },
  55. 'write': function(value) {
  56. collection.uniqueKeyField(self.name());
  57. }
  58. });
  59. self.editable = ko.computed(function() {
  60. return !self.uniqueKeyField() && self.name() != '_version_';
  61. });
  62. self.remove = function() {
  63. collection.removeField(self);
  64. };
  65. };
  66. var HiveDatabase = function(name) {
  67. var self = this;
  68. self.name = ko.observable(name).extend({'errors': null});
  69. self.tables = ko.observableArray();
  70. };
  71. var HiveTable = function(name) {
  72. var self = this;
  73. self.name = ko.observable(name).extend({'errors': null});
  74. self.columns = ko.observableArray();
  75. };
  76. var HBaseCluster = function(name) {
  77. var self = this;
  78. self.name = ko.observable(name).extend({'errors': null});
  79. self.tables = ko.observableArray();
  80. };
  81. var HBaseTable = function(name) {
  82. var self = this;
  83. self.name = ko.observable(name).extend({'errors': null});
  84. };
  85. // End Models
  86. // Start Wizard
  87. var Page = function(url, name, next, validate_fn) {
  88. var self = this;
  89. self.name = ko.observable(name);
  90. self.url = ko.observable(url);
  91. self.next = ko.observable(next);
  92. self.validate = validate_fn || function() { return true; };
  93. };
  94. var Wizard = function() {
  95. var self = this;
  96. self.rootPage = ko.observable();
  97. self.currentPage = ko.observable(self.rootPage());
  98. // Stack of previous pages.
  99. self.previousPages = ko.observableArray();
  100. self.pages = {};
  101. self.hasPrevious = ko.computed(function() {
  102. return self.previousPages().length > 0;
  103. });
  104. self.hasNext = ko.computed(function() {
  105. return !!(self.currentPage() && self.currentPage().next());
  106. });
  107. self.pageList = ko.computed(function() {
  108. var page = self.rootPage();
  109. var pages = [];
  110. while(page) {
  111. pages.push(page);
  112. page = self.pages[page.next()];
  113. }
  114. return pages;
  115. });
  116. self.previousUrl = ko.computed(function() {
  117. if (self.previousPages().length > 0) {
  118. return self.previousPages()[self.previousPages().length - 1].url();
  119. } else {
  120. return null;
  121. }
  122. });
  123. self.nextUrl = ko.computed(function() {
  124. if (self.currentPage() && self.currentPage().next()) {
  125. return self.currentPage().next();
  126. } else {
  127. return null;
  128. }
  129. });
  130. self.next = function() {
  131. if (self.hasNext() && self.currentPage().validate()) {
  132. self.previousPages.push(self.currentPage());
  133. self.currentPage(self.pages[self.currentPage().next()]);
  134. }
  135. };
  136. self.previous = function() {
  137. if (self.hasPrevious()) {
  138. self.currentPage(self.previousPages.pop());
  139. }
  140. };
  141. self.setPageByUrl = function(url) {
  142. var urls = ko.utils.arrayMap(self.pageList(), function(page) {
  143. return page.url();
  144. });
  145. var previousUrls = ko.utils.arrayMap(self.previousPages(), function(page) {
  146. return page.url();
  147. });
  148. if ($.inArray(url, previousUrls) != -1) {
  149. var previousPageURL = null;
  150. self.previous();
  151. while(self.hasPrevious() && self.currentPage().url() != url && self.currentPage().url() != previousPageURL) {
  152. previousPageURL = self.currentPage().url();
  153. self.previous();
  154. }
  155. } else if ($.inArray(url, urls) != -1) {
  156. var previousPageURL = null;
  157. while(self.hasNext() && self.currentPage().url() != url && self.currentPage().url() != previousPageURL) {
  158. previousPageURL = self.currentPage().url();
  159. self.next();
  160. }
  161. }
  162. };
  163. self.getPage = function(url, name, next, validate_fn) {
  164. self.pages;
  165. if (!self.pages[url]) {
  166. self.pages[url] = new Page(url, name, next, validate_fn);
  167. }
  168. return self.pages[url];
  169. };
  170. };
  171. // End Wizard
  172. // Start utils
  173. ko.bindingHandlers.routie = {
  174. init: function(element, valueAccessor, allBindingsAccessor, viewModel, bindingContext) {
  175. $(element).click(function() {
  176. var obj = ko.utils.unwrapObservable(valueAccessor());
  177. var url = null;
  178. var bubble = false;
  179. if ($.isPlainObject(obj)) {
  180. url = obj.url;
  181. bubble = !!obj.bubble;
  182. } else {
  183. url = obj;
  184. }
  185. routie(url);
  186. return bubble;
  187. });
  188. }
  189. };
  190. ko.bindingHandlers.filter = {
  191. init: function(element, valueAccessor, allBindingsAccessor, viewModel, bindingContext) {
  192. var obj = ko.utils.unwrapObservable(valueAccessor());
  193. var test_fn = obj.test;
  194. var list = obj.list;
  195. var filteredList = obj.filteredList;
  196. filteredList(list());
  197. $(element).keyup(function(e) {
  198. if (e.target.value) {
  199. filteredList(ko.utils.arrayFilter(list(), function(obj) {
  200. return test_fn(obj, e.target.value);
  201. }));
  202. } else {
  203. filteredList(list());
  204. }
  205. return (obj.bubble == undefined) ? false : obj.bubble;
  206. });
  207. }
  208. };
  209. ko.extenders.errors = function(target, options) {
  210. target.errors = ko.observableArray();
  211. target.errors.remove = function(obj) {
  212. var index = target.errors().indexOf(obj);
  213. if (index > -1) {
  214. target.errors.splice(index, 1);
  215. }
  216. };
  217. return target;
  218. };
  219. ko.extenders.selectable = function(target, options) {
  220. target.selected = ko.observable(false);
  221. target.toggleSelect = function() {
  222. target.selected(!target.selected());
  223. };
  224. return target;
  225. };
  226. ko.bindingHandlers.chosen = {
  227. init: function(element, options) {
  228. $(element).chosen(options);
  229. },
  230. update: function(element) {
  231. $(element).trigger('chosen:updated');
  232. }
  233. };
  234. ko.bindingHandlers.editableText = {
  235. init: function(element, valueAccessor) {
  236. $(element).attr('contenteditable', true);
  237. $(element).on('click', function() {
  238. $(element).focus();
  239. });
  240. $(element).on('blur', function() {
  241. var observable = valueAccessor();
  242. observable( $(this).text() );
  243. });
  244. },
  245. update: function(element, valueAccessor) {
  246. var value = ko.utils.unwrapObservable(valueAccessor());
  247. $(element).text(value);
  248. }
  249. };
  250. function validateNotNull(obs, message) {
  251. var ret = true;
  252. if (!obs()) {
  253. obs.errors.push(message);
  254. ret = false;
  255. } else {
  256. obs.errors.remove(message);
  257. }
  258. return ret;
  259. }
  260. // End utils