workflow-editor.ko.js 7.3 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 Node = function (node) {
  47. var self = this;
  48. var type = typeof node.widgetType != "undefined" ? node.widgetType : node.type;
  49. self.id = ko.observable(typeof node.id != "undefined" && node.id != null ? node.id : UUID());
  50. self.name = ko.observable(typeof node.name != "undefined" && node.name != null ? node.name : "");
  51. self.type = ko.observable(typeof type != "undefined" && type != null ? type : "");
  52. self.properties = ko.mapping.fromJS(typeof node.properties != "undefined" && node.properties != null ? node.properties : {});
  53. self.children = ko.mapping.fromJS(typeof node.children != "undefined" && node.children != null ? node.children : []);
  54. }
  55. var Workflow = function (vm, workflow) {
  56. var self = this;
  57. self.id = ko.observable(typeof workflow.id != "undefined" && workflow.id != null ? workflow.id : null);
  58. self.uuid = ko.observable(typeof workflow.uuid != "undefined" && workflow.uuid != null ? workflow.uuid : UUID());
  59. self.name = ko.observable(typeof workflow.name != "undefined" && workflow.name != null ? workflow.name : "");
  60. self.properties = ko.mapping.fromJS(typeof workflow.properties != "undefined" && workflow.properties != null ? workflow.properties : {});
  61. self.nodes = ko.observableArray([]);
  62. self.loadNodes = function(workflow) {
  63. var nodes = []
  64. $.each(workflow.nodes, function(index, node) {
  65. var _node = new Node(node);
  66. nodes.push(_node);
  67. });
  68. self.nodes(nodes)
  69. }
  70. self.addNode = function(widget) {
  71. // Todo get parent cell, link nodes... when we have the new layout
  72. $.post("/oozie/editor/workflow/add_node/", {
  73. "workflow": ko.mapping.toJSON(workflow),
  74. "node": ko.mapping.toJSON(widget),
  75. "properties": ko.mapping.toJSON(viewModel.addActionProperties()),
  76. }, function (data) {
  77. if (data.status == 0) {
  78. widget.properties = data.properties;
  79. var node = new Node(ko.mapping.toJS(widget));
  80. node.children().push({'to': '33430f0f-ebfa-c3ec-f237-3e77efa03d0a'}) // Link to child
  81. // Add to list of nodes
  82. var end = self.nodes.pop()
  83. self.nodes.push(node);
  84. self.nodes.push(end);
  85. self.nodes()[0].children.removeAll(); // Parent link to new node
  86. self.nodes()[0].children().push({'to': node.id()});
  87. } else {
  88. $(document).trigger("error", data.message);
  89. }
  90. }).fail(function (xhr, textStatus, errorThrown) {
  91. $(document).trigger("error", xhr.responseText);
  92. });
  93. };
  94. self.getNodeById = function (node_id) {
  95. var _node = null;
  96. $.each(self.nodes(), function (index, node) {
  97. if (node.id() == node_id) {
  98. _node = node;
  99. return false;
  100. }
  101. });
  102. return _node;
  103. }
  104. }
  105. var WorkflowEditorViewModel = function (layout_json, workflow_json) {
  106. var self = this;
  107. self.isEditing = ko.observable(true);
  108. self.toggleEditing = function () {
  109. self.isEditing(! self.isEditing());
  110. };
  111. self.columns = ko.observable([]);
  112. self.previewColumns = ko.observable("");
  113. self.workflow = new Workflow(self, workflow_json);
  114. self.inited = ko.observable(self.columns().length > 0);
  115. self.init = function(callback) {
  116. loadLayout(self, layout_json);
  117. self.workflow.loadNodes(workflow_json);
  118. }
  119. self.addActionProperties = ko.observableArray([]);
  120. self.getWidgetById = function (widget_id) {
  121. var _widget = null;
  122. $.each(self.columns(), function (i, col) {
  123. $.each(col.rows(), function (j, row) {
  124. $.each(row.widgets(), function (z, widget) {
  125. if (widget.id() == widget_id){
  126. _widget = widget;
  127. return false;
  128. }
  129. });
  130. });
  131. });
  132. return _widget;
  133. }
  134. self.save = function () {
  135. $.post("/oozie/editor/workflow/save/", {
  136. "layout": ko.mapping.toJSON(self.columns),
  137. "workflow": ko.mapping.toJSON(self.workflow)
  138. }, function (data) {
  139. if (data.status == 0) {
  140. self.workflow.id(data.id);
  141. $(document).trigger("info", data.message);
  142. if (window.location.search.indexOf("workflow") == -1) {
  143. window.location.hash = '#workflow=' + data.id;
  144. }
  145. }
  146. else {
  147. $(document).trigger("error", data.message);
  148. }
  149. }).fail(function (xhr, textStatus, errorThrown) {
  150. $(document).trigger("error", xhr.responseText);
  151. });
  152. };
  153. self.gen_xml = function () {
  154. $.post("/oozie/editor/workflow/gen_xml/", {
  155. "layout": ko.mapping.toJSON(self.columns),
  156. "workflow": ko.mapping.toJSON(self.workflow)
  157. }, function (data) {
  158. if (data.status == 0) {
  159. alert(data.xml);
  160. }
  161. else {
  162. $(document).trigger("error", data.message);
  163. }
  164. }).fail(function (xhr, textStatus, errorThrown) {
  165. $(document).trigger("error", xhr.responseText);
  166. });
  167. };
  168. self.showSubmitPopup = function () {
  169. // if self.workflow.id() == null, need to save wf for now
  170. $.get("/oozie/editor/workflow/submit/" + self.workflow.id(), {
  171. }, function (data) {
  172. $(document).trigger("showSubmitPopup", data);
  173. }).fail(function (xhr, textStatus, errorThrown) {
  174. $(document).trigger("error", xhr.responseText);
  175. });
  176. };
  177. function bareWidgetBuilder(name, type){
  178. return new Widget({
  179. size: 12,
  180. id: UUID(),
  181. name: name,
  182. widgetType: type
  183. });
  184. }
  185. self.draggableHiveAction = ko.observable(bareWidgetBuilder("Hive Script", "hive-widget"));
  186. self.draggablePigAction = ko.observable(bareWidgetBuilder("Pig Script", "pig-widget"));
  187. self.draggableJavaAction = ko.observable(bareWidgetBuilder("Java program", "java-widget"));
  188. self.draggableMapReduceAction = ko.observable(bareWidgetBuilder("MapReduce job", "mapreduce-widget"));
  189. };