impala.ko.js 6.0 KB

123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185186187188189190191192193194195196197198199200201202203204205206207208
  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.addFacet = function(data) {
  90. }
  91. self.getFacetById = function (facet_id) {
  92. var _facet = null;
  93. $.each(self.facets(), function (index, facet) {
  94. if (facet.id == facet_id) {
  95. _facet = facet;
  96. return false;
  97. }
  98. });
  99. return _facet;
  100. }
  101. }
  102. var TestViewModel = function (query_json, dashboard_json) {
  103. var self = this;
  104. self.isEditing = ko.observable(false);
  105. self.toggleEditing = function () {
  106. self.isEditing(! self.isEditing());
  107. };
  108. self.previewColumns = ko.observable("");
  109. self.columns = ko.observable([]);
  110. loadLayout(self, dashboard_json.layout);
  111. self.query = new Query(self, query_json);
  112. self.dashboard = new Dashboard(self, dashboard_json);
  113. self.results = ko.observableArray([]);
  114. self.results_facet = ko.observableArray([]);
  115. self.search = function (callback) {
  116. self.results.removeAll();
  117. var multiQs = $.map(self.dashboard.facets(), function(facet) {
  118. return $.post("/impala/query", {
  119. "query": ko.mapping.toJSON(self.query),
  120. "dashboard": ko.mapping.toJSON(self.dashboard),
  121. "layout": ko.mapping.toJSON(self.columns),
  122. "facet": ko.mapping.toJSON(facet),
  123. }, function (data) {return data});
  124. });
  125. $.when.apply($, [
  126. $.post("/impala/query", {
  127. "query": ko.mapping.toJSON(self.query),
  128. "dashboard": ko.mapping.toJSON(self.dashboard),
  129. "layout": ko.mapping.toJSON(self.columns),
  130. }, function (data) {
  131. if (data.status == 0) {
  132. $.each(data.data, function (index, row) {
  133. self.results.push(row);
  134. });
  135. } else {
  136. $(document).trigger("error", data.message);
  137. }
  138. })
  139. ].concat(multiQs)
  140. )
  141. .done(function() {
  142. if (arguments.length > 1) { // If multi queries
  143. for (var i = 1; i < arguments.length; i++) {
  144. var facet = arguments[i][0];
  145. removeFrom(self.results_facet, facet.id);
  146. self.results_facet.push(ko.mapping.fromJS(facet));
  147. }
  148. }
  149. })
  150. .fail(function (xhr, textStatus, errorThrown) {
  151. $(document).trigger("error", data.message);
  152. });
  153. };
  154. function removeFrom(collection, item_id) {
  155. $.each(collection(), function (index, item) {
  156. if (item.id() == item_id) {
  157. collection.remove(item);
  158. return false;
  159. }
  160. });
  161. }
  162. self.getFacetFromResult = function (facet_id) {
  163. var _facet = null;
  164. $.each(self.results_facet(), function (index, facet) {
  165. if (facet.id() == facet_id) {
  166. _facet = facet;
  167. return false;
  168. }
  169. });
  170. return _facet;
  171. }
  172. function bareWidgetBuilder(name, type){
  173. return new Widget({
  174. size: 12,
  175. id: UUID(),
  176. name: name,
  177. widgetType: type
  178. });
  179. }
  180. self.draggableResultset = ko.observable(bareWidgetBuilder("Grid Results", "resultset-widget"));
  181. self.draggablePie = ko.observable(bareWidgetBuilder("Pie Chart", "pie-widget"));
  182. };