impala-dashboard.ko.js 6.6 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. function magicLayout(vm) {
  17. loadLayout(vm, vm.initial.layout);
  18. $(document).trigger("magicLayout");
  19. }
  20. function loadLayout(viewModel, json_layout) {
  21. var _columns = [];
  22. $(json_layout).each(function (cnt, json_col) {
  23. var _rows = [];
  24. $(json_col.rows).each(function (rcnt, json_row) {
  25. var row = new Row([], viewModel);
  26. $(json_row.widgets).each(function (wcnt, widget) {
  27. row.addWidget(new Widget({
  28. size:widget.size,
  29. id: widget.id,
  30. name: widget.name,
  31. widgetType: widget.widgetType,
  32. properties: widget.properties,
  33. offset: widget.offset,
  34. loading: true,
  35. vm: viewModel
  36. }));
  37. });
  38. _rows.push(row);
  39. });
  40. var column = new Column(json_col.size, _rows);
  41. _columns = _columns.concat(column);
  42. });
  43. viewModel.columns(_columns);
  44. }
  45. // End dashboard lib
  46. var Query = function (vm, query) {
  47. var self = this;
  48. self.qs = ko.mapping.fromJS([{'q': ''}]);
  49. self.fqs = ko.mapping.fromJS([]);
  50. self.toggleFacet = function (data) {
  51. var fq = self.getFacetFilter(data.widget.id());
  52. if (fq == null) {
  53. self.fqs.push(ko.mapping.fromJS({
  54. 'id': data.widget.id(),
  55. 'field': data.widget.field(),
  56. 'filter': [data.facet[0]],
  57. 'type': 'field'
  58. }));
  59. } else {
  60. $.each(self.fqs(), function (index, fq) {
  61. if (fq.id() == data.widget.id()) {
  62. if (fq.filter.indexOf(data.facet[0]) > -1) {
  63. fq.filter.remove(data.facet[0]);
  64. if (fq.filter().length == 0) {
  65. self.fqs.remove(fq);
  66. }
  67. } else {
  68. fq.filter.push(data.facet[0]);
  69. }
  70. }
  71. });
  72. }
  73. vm.search();
  74. }
  75. self.getFacetFilter = function (facet_id) {
  76. var _facet = null;
  77. $.each(self.fqs(), function (index, facet) {
  78. if (facet.id() == facet_id) {
  79. _facet = facet;
  80. return false;
  81. }
  82. });
  83. return _facet;
  84. }
  85. }
  86. var Dashboard = function (vm, dashboard) {
  87. var self = this;
  88. self.facets = ko.observable(dashboard.facets);
  89. self.properties = ko.observable(dashboard.properties);
  90. self.addFacet = function(data) {
  91. }
  92. self.getFacetById = function (facet_id) {
  93. var _facet = null;
  94. $.each(self.facets(), function (index, facet) {
  95. if (facet.id == facet_id) {
  96. _facet = facet;
  97. return false;
  98. }
  99. });
  100. return _facet;
  101. }
  102. }
  103. var TestViewModel = function (query_json, dashboard_json) {
  104. var self = this;
  105. self.isEditing = ko.observable(true);
  106. self.toggleEditing = function () {
  107. self.isEditing(! self.isEditing());
  108. };
  109. self.previewColumns = ko.observable("");
  110. self.columns = ko.observable([]);
  111. loadLayout(self, dashboard_json.layout);
  112. self.query = new Query(self, query_json);
  113. self.dashboard = new Dashboard(self, dashboard_json);
  114. self.results = ko.observableArray([]);
  115. self.results_facet = ko.observableArray([]);
  116. self.results_cols = ko.observableArray([]);
  117. self.init = function() {
  118. self.search();
  119. }
  120. self.search = function (callback) {
  121. self.results.removeAll();
  122. var multiQs = $.map(self.dashboard.facets(), function(facet) {
  123. return $.post("/impala/query", {
  124. "query": ko.mapping.toJSON(self.query),
  125. "dashboard": ko.mapping.toJSON(self.dashboard),
  126. "layout": ko.mapping.toJSON(self.columns),
  127. "facet": ko.mapping.toJSON(facet),
  128. }, function (data) {return data});
  129. });
  130. $.when.apply($, [
  131. $.post("/impala/query", {
  132. "query": ko.mapping.toJSON(self.query),
  133. "dashboard": ko.mapping.toJSON(self.dashboard),
  134. "layout": ko.mapping.toJSON(self.columns),
  135. }, function (data) {
  136. if (data.status == 0) {
  137. self.results_cols(data.cols)
  138. $.each(data.data, function (index, row) {
  139. self.results.push(row);
  140. });
  141. } else {
  142. $(document).trigger("error", data.message);
  143. }
  144. })
  145. ].concat(multiQs)
  146. )
  147. .done(function() {
  148. if (arguments.length > 1) { // If multi queries
  149. for (var i = 1; i < arguments.length; i++) {
  150. var facet = arguments[i][0];
  151. removeFrom(self.results_facet, facet.id);
  152. self.results_facet.push(ko.mapping.fromJS(facet));
  153. }
  154. }
  155. })
  156. .fail(function (xhr, textStatus, errorThrown) {
  157. $(document).trigger("error", data.message);
  158. });
  159. };
  160. function removeFrom(collection, item_id) {
  161. $.each(collection(), function (index, item) {
  162. if (item.id() == item_id) {
  163. collection.remove(item);
  164. return false;
  165. }
  166. });
  167. }
  168. self.getFacetFromResult = function (facet_id) {
  169. var _facet = null;
  170. $.each(self.results_facet(), function (index, facet) {
  171. if (facet.id() == facet_id) {
  172. _facet = facet;
  173. return false;
  174. }
  175. });
  176. return _facet;
  177. }
  178. function bareWidgetBuilder(name, type){
  179. return new Widget({
  180. size: 12,
  181. id: UUID(),
  182. name: name,
  183. widgetType: type
  184. });
  185. }
  186. self.draggableFacet = ko.observable(bareWidgetBuilder("Facet", "facet-widget"));
  187. self.draggableResultset = ko.observable(bareWidgetBuilder("Grid Results", "resultset-widget"));
  188. self.draggableHistogram = ko.observable(bareWidgetBuilder("Histogram", "histogram-widget"));
  189. self.draggableBar = ko.observable(bareWidgetBuilder("Bar Chart", "bar-widget"));
  190. self.draggableMap = ko.observable(bareWidgetBuilder("Map", "map-widget"));
  191. self.draggableLine = ko.observable(bareWidgetBuilder("Line Chart", "line-widget"));
  192. self.draggablePie = ko.observable(bareWidgetBuilder("Pie Chart", "pie-widget"));
  193. self.draggableFilter = ko.observable(bareWidgetBuilder("Filter Bar", "filter-widget"));
  194. };