workflow-editor.ko.js 30 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. ko.bindingHandlers.droppable = {
  17. init: function(element, valueAccessor) {
  18. var _dropElement = $(element);
  19. var _options = valueAccessor();
  20. if (_options.enabled){
  21. var _dropOptions = {
  22. hoverClass: 'drop-target-highlight',
  23. drop: _options.onDrop
  24. };
  25. _dropElement.droppable(_dropOptions);
  26. }
  27. }
  28. };
  29. function magicLayout(vm) {
  30. loadLayout(vm, vm.initial.layout);
  31. $(document).trigger("magicLayout");
  32. }
  33. function loadColumns(viewModel, json_layout) {
  34. var _columns = [];
  35. $(json_layout).each(function (cnt, json_col) {
  36. var _rows = [];
  37. $(json_col.rows).each(function (rcnt, json_row) {
  38. var row = new Row([], viewModel);
  39. $(json_row.widgets).each(function (wcnt, widget) {
  40. row.addWidget(new Widget({
  41. size: widget.size,
  42. id: widget.id,
  43. name: widget.name,
  44. widgetType: widget.widgetType,
  45. properties: widget.properties,
  46. offset: widget.offset,
  47. loading: true,
  48. vm: viewModel
  49. }));
  50. });
  51. row.columns(loadColumns(viewModel, json_row.columns));
  52. _rows.push(row);
  53. });
  54. var column = new Column(json_col.size, _rows);
  55. _columns = _columns.concat(column);
  56. });
  57. return _columns;
  58. }
  59. function loadLayout(viewModel, json_layout) {
  60. viewModel.columns(loadColumns(viewModel, json_layout));
  61. }
  62. // End dashboard lib
  63. var Node = function (node) {
  64. var self = this;
  65. var type = typeof node.widgetType != "undefined" ? node.widgetType : node.type;
  66. self.id = ko.observable(typeof node.id != "undefined" && node.id != null ? node.id : UUID());
  67. self.name = ko.observable(typeof node.name != "undefined" && node.name != null ? node.name : "");
  68. self.type = ko.observable(typeof type != "undefined" && type != null ? type : "");
  69. self.properties = ko.mapping.fromJS(typeof node.properties != "undefined" && node.properties != null ? node.properties : {});
  70. self.children = ko.mapping.fromJS(typeof node.children != "undefined" && node.children != null ? node.children : []);
  71. self.get_link = function(name) {
  72. var _link = null;
  73. $.each(self.children(), function(index, link) {
  74. if (name in link) {
  75. _link = link;
  76. return false;
  77. }
  78. });
  79. return _link;
  80. }
  81. self.set_link = function(name, node_id) {
  82. var _link = self.get_link(name);
  83. if (_link == null) {
  84. _link = {}
  85. self.children.push(_link);
  86. }
  87. _link[name] = node_id;
  88. self.children.valueHasMutated();
  89. }
  90. self.remove_link = function(name, child) {
  91. var _link = null;
  92. $.each(self.children(), function(index, link) {
  93. var _l = ko.mapping.toJS(link);
  94. if (name in _l && _l[name] == child) {
  95. _link = link;
  96. return false;
  97. }
  98. });
  99. if (_link != null) {
  100. self.children.remove(_link);
  101. }
  102. }
  103. }
  104. var Workflow = function (vm, workflow) {
  105. var self = this;
  106. self.id = ko.observable(typeof workflow.id != "undefined" && workflow.id != null ? workflow.id : null);
  107. self.uuid = ko.observable(typeof workflow.uuid != "undefined" && workflow.uuid != null ? workflow.uuid : UUID());
  108. self.name = ko.observable(typeof workflow.name != "undefined" && workflow.name != null ? workflow.name : "");
  109. self.properties = ko.mapping.fromJS(typeof workflow.properties != "undefined" && workflow.properties != null ? workflow.properties : {});
  110. self.nodes = ko.observableArray([]);
  111. self.movedNode = null;
  112. self.linkMapping = ko.computed(function() {
  113. var mapping = {};
  114. $.each(self.nodes(), function(index, node) {
  115. var links = []
  116. $.each(node.children(), function(index, link) {
  117. if ('to' in link) {
  118. links.push(link['to']);
  119. }
  120. });
  121. mapping[node.id()] = links
  122. });
  123. return mapping;
  124. });
  125. self.linkMapping.subscribe(function(newVal){
  126. $(document).trigger("drawArrows");
  127. });
  128. self.loadNodes = function(workflow) {
  129. var nodes = []
  130. $.each(workflow.nodes, function(index, node) {
  131. var _node = new Node(node);
  132. nodes.push(_node);
  133. });
  134. self.nodes(nodes)
  135. }
  136. self.newNode = function(widget) {
  137. $.ajax({
  138. type: "POST",
  139. url: "/oozie/editor/workflow/new_node/",
  140. data: {
  141. "workflow": ko.mapping.toJSON(workflow),
  142. "node": ko.mapping.toJSON(widget)
  143. },
  144. success: function (data) {
  145. if (data.status == 0) {
  146. viewModel.addActionProperties(data.properties);
  147. viewModel.addActionWorkflows(data.workflows);
  148. }
  149. },
  150. async: false
  151. });
  152. };
  153. self.addNode = function(widget) {
  154. // Todo get parent cell, link nodes... when we have the new layout
  155. $.post("/oozie/editor/workflow/add_node/", {
  156. "workflow": ko.mapping.toJSON(workflow),
  157. "node": ko.mapping.toJSON(widget),
  158. "properties": ko.mapping.toJSON(viewModel.addActionProperties()),
  159. "subworkflow": viewModel.selectedSubWorkflow() ? ko.mapping.toJSON(viewModel.selectedSubWorkflow()) : '{}',
  160. }, function (data) {
  161. if (data.status == 0) {
  162. var _node = ko.mapping.toJS(widget);
  163. _node.properties = data.properties;
  164. _node.name = data.name;
  165. if (self.movedNode) {
  166. var node = self.movedNode;
  167. } else {
  168. var node = new Node(_node);
  169. }
  170. // Add to list of nodes before end
  171. var end = self.nodes.pop();
  172. self.nodes.push(node);
  173. self.nodes.push(end);
  174. if (vm.currentlyCreatingFork) {
  175. // Added to the side ?
  176. var parentWidget = vm.getWidgetPredecessor(node.id());
  177. var parent = self.getNodeById(parentWidget.id());
  178. if (self.getNodeById(parentWidget.id()) == null) { // New fork
  179. vm.currentlyCreatedJoin.properties['fork_id'] = vm.currentlyCreatedFork.id;
  180. vm.currentlyCreatedFork.properties['join_id'] = vm.currentlyCreatedJoin.id;
  181. vm.currentlyCreatedFork.properties['default'] = {'to': '33430f0f-ebfa-c3ec-f237-3e77efa03d0a'};
  182. var fork = new Node(vm.currentlyCreatedFork);
  183. var join = new Node(vm.currentlyCreatedJoin);
  184. var forkParent = self.getNodeById(vm.getWidgetPredecessor(parentWidget.id()).id());
  185. var afterParentId = ko.mapping.toJS(forkParent.get_link('to')).to;
  186. var afterParent = self.getNodeById(afterParentId);
  187. fork.children.push({'to': afterParentId, 'condition': ''});
  188. fork.children.push({'to': node.id(), 'condition': ''});
  189. forkParent.get_link('to')['to'] = fork.id();
  190. var belowJoin = vm.getWidgetSuccessor(join.id());
  191. join.set_link('to', belowJoin.id());
  192. if (afterParent.type() == 'fork-widget') {
  193. self.getNodeById(afterParent.properties.join_id()).set_link('to', join.id());
  194. } else {
  195. afterParent.set_link('to', join.id());
  196. }
  197. node.set_link('to', join.id());
  198. node.set_link('error', '17c9c895-5a16-7443-bb81-f34b30b21548');
  199. var end = self.nodes.pop();
  200. self.nodes.push(fork);
  201. self.nodes.push(join);
  202. self.nodes.push(end);
  203. } else {
  204. // Just add to existing fork
  205. var join = vm.getWidgetSuccessor(node.id());
  206. node.set_link('to', join.id());
  207. node.set_link('error', '17c9c895-5a16-7443-bb81-f34b30b21548');
  208. parent.children.push({'to': node.id()});
  209. }
  210. } else {
  211. var parentWidget = vm.getWidgetPredecessor(node.id());
  212. var parent = self.getNodeById(parentWidget.id());
  213. if (widget.widgetType() == 'kill-widget') {
  214. parent.set_link('to', node.id());
  215. } else if (parentWidget.widgetType() == 'fork-widget') {
  216. var child = vm.getWidgetSuccessor(node.id());
  217. parent.remove_link('to', child.id());
  218. parent.children.push({'to': node.id(), 'condition': ''});
  219. node.set_link('to', child.id());
  220. node.set_link('error', '17c9c895-5a16-7443-bb81-f34b30b21548');
  221. } else {
  222. // Parent is regular node
  223. node.set_link('to', parent.get_link('to')['to']);
  224. node.set_link('error', '17c9c895-5a16-7443-bb81-f34b30b21548');
  225. parent.set_link('to', node.id());
  226. }
  227. }
  228. vm.currentlyCreatingFork = false;
  229. } else {
  230. $(document).trigger("error", data.message);
  231. }
  232. }).fail(function (xhr, textStatus, errorThrown) {
  233. $(document).trigger("error", xhr.responseText);
  234. });
  235. };
  236. self.removeNode = function(node_id) {
  237. var node = self.getNodeById(node_id);
  238. var parents = self.getParents(node_id);
  239. var parent = null;
  240. var childLink = node.get_link('to');
  241. var childId = ko.mapping.toJS(childLink)['to'];
  242. $.each(parents, function(index, _parent) {
  243. _parent.remove_link('to', node_id);
  244. _parent.children.unshift({'to': childId});
  245. parent = _parent;
  246. });
  247. self.nodes.remove(node);
  248. // If need to remove fork
  249. if (parent.type() == 'fork-widget') {
  250. var fork = parent;
  251. var join = self.getNodeById(childId);
  252. if (join.type() == 'join-widget') {
  253. if (fork.children().length == 2) {
  254. // Link top to above and delete fork
  255. fork.remove_link('to', childId);
  256. var forkParent = self.getParents(fork.id())[0];
  257. forkParent.set_link('to', ko.mapping.toJS(fork.get_link('to'))['to']); // Only link
  258. self.nodes.remove(fork);
  259. // Link bottom to child of join
  260. var beboreJoin = self.getParents(childId)[0];
  261. var joinChildId = ko.mapping.toJS(join.get_link('to'))['to'];
  262. beboreJoin.set_link('to', joinChildId);
  263. self.nodes.remove(join);
  264. } else {
  265. parent.remove_link('to', childId);
  266. }
  267. }
  268. } else if (parent.type() == 'decision-widget') {
  269. parent.remove_link('to', childId);
  270. }
  271. };
  272. self.moveNode = function(widget) {
  273. var node = self.getNodeById(widget.id());
  274. self.movedNode = node;
  275. self.removeNode(node.id());
  276. self.addNode(widget);
  277. self.movedNode = null;
  278. };
  279. self.getParents = function(node_id) { // Join nodes can have multiple parents
  280. var _nodes = [];
  281. $.each(self.nodes(), function (index, node) {
  282. $.each(node.children(), function(index, link) {
  283. var _link = ko.mapping.toJS(link);
  284. if ('to' in _link && _link.to == node_id) {
  285. _nodes.push(node);
  286. }
  287. })
  288. });
  289. return _nodes;
  290. };
  291. self.getNodeById = function (node_id) {
  292. var _node = null;
  293. $.each(self.nodes(), function (index, node) {
  294. if (node.id() == node_id) {
  295. _node = node;
  296. return false;
  297. }
  298. });
  299. return _node;
  300. };
  301. }
  302. var WorkflowEditorViewModel = function (layout_json, workflow_json, credentials_json, workflow_properties_json) {
  303. var self = this;
  304. self.isNested = ko.observable(true);
  305. self.isEditing = ko.observable(true);
  306. self.isEditing.subscribe(function(newVal){
  307. $(document).trigger("editingToggled");
  308. });
  309. self.toggleEditing = function () {
  310. self.isEditing(! self.isEditing());
  311. };
  312. self.columns = ko.observable([]);
  313. self.previewColumns = ko.observable("");
  314. self.workflow = new Workflow(self, workflow_json);
  315. self.credentials = ko.mapping.fromJSON(credentials_json);
  316. self.inited = ko.observable(self.columns().length > 0);
  317. self.init = function(callback) {
  318. self.workflow_properties = ko.mapping.fromJS(workflow_properties_json);
  319. loadLayout(self, layout_json);
  320. self.workflow.loadNodes(workflow_json);
  321. }
  322. self.depen = ko.observableArray(workflow_json.dependencies);
  323. self.addActionProperties = ko.observableArray([]);
  324. self.addActionWorkflows = ko.observableArray([]);
  325. self.selectedSubWorkflow = ko.observable();
  326. self.currentlyDraggedWidget = ko.observable(null);
  327. self.currentlyDraggedWidget.subscribe(function (widget) {
  328. toggleSideDrop(widget, false);
  329. });
  330. self.enableSideDrop = function (widget) {
  331. toggleSideDrop(widget, true);
  332. }
  333. function toggleSideDrop(widget, enable) {
  334. if (widget != null && widget.id() != "") {
  335. var _row = self.getWidgetParentRow(widget.id());
  336. if (_row) {
  337. _row.enableOozieDropOnSide(enable);
  338. _row.enableOozieDropOnBefore(enable);
  339. var _col = self.getRowParentColumn(_row.id());
  340. if (self.getColumnParentRow(_col.id())!=null){
  341. _col.enableOozieDropOnBefore(enable);
  342. _col.enableOozieDropOnAfter(enable);
  343. }
  344. var _prevRow = self.getPrevRow(_row);
  345. if (_prevRow){
  346. if (_prevRow.widgets().length > 0 && _prevRow.widgets()[0].widgetType() == "start-widget"){
  347. _prevRow.enableOozieDropOnSide(enable);
  348. self.getRowParentColumn(_prevRow.id()).enableOozieDropOnBefore(enable);
  349. }
  350. }
  351. var _nextRow = self.getNextRow(_row);
  352. if (_nextRow){
  353. _nextRow.enableOozieDropOnBefore(enable);
  354. if (_nextRow.widgets().length > 0 && _nextRow.widgets()[0].widgetType() == "end-widget"){
  355. _nextRow.enableOozieDropOnSide(enable);
  356. self.getRowParentColumn(_nextRow.id()).enableOozieDropOnAfter(enable);
  357. }
  358. }
  359. }
  360. }
  361. }
  362. self.currentlyCreatingFork = false;
  363. self.currentlyCreatedFork = null;
  364. self.currentlyCreatedJoin = null;
  365. self.isDragging = ko.observable(false);
  366. self.addDraggedWidget = function (target, atBeginning) {
  367. if (self.currentlyDraggedWidget() != null) {
  368. var _parentCol = target instanceof Column ? target : self.getRowParentColumn(target.id());
  369. var _newRow = null;
  370. if (typeof atBeginning != "undefined") {
  371. if (_parentCol.rows().length > 0 && _parentCol.rows()[0].widgets() && _parentCol.rows()[0].widgets().length > 0 && _parentCol.rows()[0].widgets()[0].widgetType() == "start-widget") {
  372. if (atBeginning) {
  373. _newRow = _parentCol.addEmptyRow(false, 1);
  374. }
  375. else {
  376. _newRow = _parentCol.addEmptyRow(false, _parentCol.rows().length - 1);
  377. }
  378. }
  379. else {
  380. _newRow = _parentCol.addEmptyRow(atBeginning);
  381. }
  382. }
  383. else {
  384. var _rowIdx = 0;
  385. $.each(_parentCol.rows(), function (i, irow) {
  386. if (irow.id() == target.id()) {
  387. _rowIdx = i;
  388. }
  389. });
  390. _newRow = _parentCol.addEmptyRow(false, _rowIdx);
  391. }
  392. var _w = new Widget({
  393. size: self.currentlyDraggedWidget().size(),
  394. id: UUID(),
  395. name: self.currentlyDraggedWidget().name(),
  396. widgetType: self.currentlyDraggedWidget().widgetType(),
  397. properties: self.currentlyDraggedWidget().properties(),
  398. offset: self.currentlyDraggedWidget().offset(),
  399. loading: true,
  400. vm: self
  401. });
  402. if (self.currentlyDraggedWidget().id() != ""){
  403. self.removeWidgetById(self.currentlyDraggedWidget().id());
  404. _w = self.currentlyDraggedWidget();
  405. }
  406. _newRow.widgets([_w]);
  407. return _w;
  408. }
  409. }
  410. self.addSideDraggedWidget = function (row, atBeginning) {
  411. if (self.currentlyDraggedWidget() != null) {
  412. var _parentCol = self.getRowParentColumn(row.id());
  413. var _rowIdx = 0;
  414. $.each(_parentCol.rows(), function (i, irow) {
  415. if (irow.id() == row.id()) {
  416. _rowIdx = i;
  417. }
  418. });
  419. var _addForkAndJoin = (row.columns().length == 0);
  420. if (_addForkAndJoin) {
  421. var _forkRow = _parentCol.addEmptyRow(false, _rowIdx);
  422. var _id = UUID();
  423. var _fork = new Widget({
  424. size: 12,
  425. id: _id,
  426. name: 'fork' + '-' + _id.slice(0, 4),
  427. widgetType: "fork-widget",
  428. properties: {},
  429. offset: 0,
  430. loading: true,
  431. vm: self
  432. });
  433. _forkRow.widgets([_fork]);
  434. }
  435. var _w = new Widget({
  436. size: self.currentlyDraggedWidget().size(),
  437. id: UUID(),
  438. name: self.currentlyDraggedWidget().name(),
  439. widgetType: self.currentlyDraggedWidget().widgetType(),
  440. properties: self.currentlyDraggedWidget().properties(),
  441. offset: self.currentlyDraggedWidget().offset(),
  442. loading: true,
  443. vm: self
  444. });
  445. if (self.currentlyDraggedWidget().id() != ""){
  446. self.removeWidgetById(self.currentlyDraggedWidget().id());
  447. _w = self.currentlyDraggedWidget();
  448. }
  449. if (row.columns().length == 0) {
  450. var _col = row.addColumn(null, atBeginning);
  451. if (row.widgets().length > 0) {
  452. var _row = _col.addEmptyRow();
  453. row.widgets().forEach(function (widget) {
  454. _row.addWidget(widget);
  455. });
  456. if (row.widgets()[0].widgetType() == "fork-widget") {
  457. var _widgetsRow = self.getNextRow(row);
  458. var _joinRow = self.getNextRow(_widgetsRow);
  459. _col.rows.push(_widgetsRow);
  460. _col.rows.push(_joinRow);
  461. self.getRowParentColumn(row.id()).rows.remove(_widgetsRow);
  462. self.getRowParentColumn(row.id()).rows.remove(_joinRow);
  463. }
  464. row.widgets([]);
  465. }
  466. }
  467. var _col = row.addColumn(null, atBeginning);
  468. var _row = new Row([_w], self);
  469. _col.addRow(_row);
  470. if (_addForkAndJoin) {
  471. var _joinRow = _parentCol.addEmptyRow(false, _rowIdx + 2);
  472. var _id = UUID();
  473. var _join = new Widget({
  474. size: 12,
  475. id: _id,
  476. name: "join" + '-' + _id.slice(0, 4),
  477. widgetType: "join-widget",
  478. properties: {},
  479. offset: 0,
  480. loading: true,
  481. vm: self
  482. });
  483. _joinRow.widgets([_join]);
  484. self.currentlyCreatedFork = ko.mapping.toJS(_fork);
  485. self.currentlyCreatedJoin = ko.mapping.toJS(_join);
  486. }
  487. self.currentlyCreatingFork = true;
  488. return _w;
  489. }
  490. }
  491. self.getWidgetById = function (widget_id) {
  492. var _widget = null;
  493. $.each(self.columns(), function (i, col) {
  494. $.each(col.rows(), function (j, row) {
  495. $.each(row.widgets(), function (z, widget) {
  496. if (widget.id() == widget_id){
  497. _widget = widget;
  498. return false;
  499. }
  500. });
  501. });
  502. });
  503. return _widget;
  504. }
  505. self.removeWidget = function (widget_json) {
  506. self.workflow.removeNode(widget_json.id());
  507. self.removeWidgetById(widget_json.id());
  508. }
  509. self.removeWidgetById = function (widget_id) {
  510. $.each(self.columns(), function (i, col) {
  511. self.deeplyRemoveWidgetById(widget_id, col, self)
  512. });
  513. }
  514. self.deeplyRemoveWidgetById = function (widget_id, col, parent) {
  515. if (col) {
  516. $.each(col.rows(), function (j, row) {
  517. if (row && row.widgets()){
  518. $.each(row.widgets(), function (z, widget) {
  519. if (widget.id() == widget_id) {
  520. row.widgets.remove(widget);
  521. col.rows.remove(row);
  522. }
  523. });
  524. }
  525. if (row && row.columns()) {
  526. $.each(row.columns(), function (i, icol) {
  527. self.deeplyRemoveWidgetById(widget_id, icol, row);
  528. });
  529. }
  530. });
  531. if (col.rows().length == 0) {
  532. parent.columns.remove(col);
  533. if (parent.columns().length > 1) {
  534. var _size = Math.max(1, Math.floor(12 / (parent.columns().length)));
  535. parent.columns().forEach(function (icol) {
  536. icol.size(_size);
  537. });
  538. }
  539. else {
  540. var _rows = parent.columns()[0].rows();
  541. var _parentRows = self.getRowParentColumn(parent.id()).rows;
  542. var _prevRowIdx = -1;
  543. for (var i = 0; i < _parentRows().length; i++) {
  544. if (_parentRows()[i].id() == parent.id()) {
  545. break;
  546. }
  547. _prevRowIdx = i;
  548. }
  549. if (_prevRowIdx > -1 && _parentRows()[_prevRowIdx].widgets().length > 0 && _parentRows()[_prevRowIdx].widgets()[0].widgetType() == "fork-widget"){
  550. _parentRows.remove(_parentRows()[_prevRowIdx]);
  551. _parentRows.remove(_parentRows()[_prevRowIdx+1]);
  552. }
  553. for (var i=0;i<_rows.length;i++){
  554. if (i==0){
  555. parent.widgets(_rows[i].widgets());
  556. }
  557. else {
  558. _parentRows.push(_rows[i]);
  559. }
  560. }
  561. parent.columns([]);
  562. }
  563. }
  564. }
  565. }
  566. self.getWidgetRelative = function (widget_id, isPredecessor) {
  567. var _row = self.getWidgetParentRow(widget_id);
  568. var _col = self.getRowParentColumn(_row.id());
  569. var _nextRow = null;
  570. for (var i = 0; i < _col.rows().length; i++) {
  571. if (_col.rows()[i].id() == _row.id()) {
  572. if (!isPredecessor && _col.rows().length >= i + 1) {
  573. _nextRow = _col.rows()[i + 1];
  574. }
  575. break;
  576. }
  577. _nextRow = _col.rows()[i];
  578. }
  579. if (_nextRow != null) {
  580. return _nextRow.widgets()[0];
  581. }
  582. else {
  583. var _parentRow = self.getColumnParentRow(_col.id());
  584. if (_parentRow) {
  585. var _parentColumn = self.getRowParentColumn(_parentRow.id());
  586. var _nextParentRow = null;
  587. for (var i = 0; i < _parentColumn.rows().length; i++) {
  588. if (_parentColumn.rows()[i].id() == _parentRow.id()) {
  589. if (!isPredecessor && _parentColumn.rows().length >= i + 1) {
  590. _nextParentRow = _parentColumn.rows()[i + 1];
  591. }
  592. break;
  593. }
  594. _nextParentRow = _parentColumn.rows()[i];
  595. }
  596. if (_nextParentRow != null) {
  597. return _nextParentRow.widgets()[0];
  598. }
  599. }
  600. }
  601. return null;
  602. }
  603. self.getWidgetPredecessor = function (widget_id) {
  604. return self.getWidgetRelative(widget_id, true);
  605. }
  606. self.getWidgetSuccessor = function (widget_id) {
  607. return self.getWidgetRelative(widget_id, false);
  608. }
  609. self.isRowAfterFork = function (row) {
  610. var _parentColumn = self.getRowParentColumn(row.id());
  611. var _prevRow = null;
  612. for (var i = 0; i < _parentColumn.rows().length; i++) {
  613. var _currentRow = _parentColumn.rows()[i];
  614. if (_currentRow.id() == row.id()){
  615. break;
  616. }
  617. _prevRow = _currentRow;
  618. }
  619. if (_prevRow != null){
  620. return _prevRow.widgets().length > 0 && (_prevRow.widgets()[0].widgetType() == "fork-widget" || _prevRow.widgets()[0].widgetType() == "decision-widget");
  621. }
  622. return false;
  623. }
  624. self.isRowBeforeJoin = function (row) {
  625. return row.widgets().length > 0 && row.widgets()[0].widgetType() == "join-widget";
  626. }
  627. self.getNextRow = function (row) {
  628. var _parentColumn = self.getRowParentColumn(row.id());
  629. var _nextParentRow = null;
  630. for (var i = 0; i < _parentColumn.rows().length; i++) {
  631. if (_parentColumn.rows()[i].id() == row.id()) {
  632. if (_parentColumn.rows().length >= i + 1) {
  633. _nextParentRow = _parentColumn.rows()[i + 1];
  634. }
  635. break;
  636. }
  637. _nextParentRow = _parentColumn.rows()[i];
  638. }
  639. return _nextParentRow;
  640. }
  641. self.getPrevRow = function (row) {
  642. var _parentColumn = self.getRowParentColumn(row.id());
  643. var _prevParentRow = null;
  644. for (var i = 0; i < _parentColumn.rows().length; i++) {
  645. if (_parentColumn.rows()[i].id() == row.id()) {
  646. if (i > 0) {
  647. _prevParentRow = _parentColumn.rows()[i - 1];
  648. }
  649. break;
  650. }
  651. _prevParentRow = _parentColumn.rows()[i];
  652. }
  653. return _prevParentRow;
  654. }
  655. self.getWidgetParentRow = function (widget_id) {
  656. var _row = null;
  657. for (var i = 0; i < self.columns().length; i++) {
  658. _row = self.traverseColumnForWidget(widget_id, self.columns()[i]);
  659. if (_row != null) {
  660. break;
  661. }
  662. }
  663. return _row;
  664. }
  665. self.getRowParentColumn = function (row_id) {
  666. var _column = null;
  667. for (var i = 0; i < self.columns().length; i++) {
  668. _column = self.traverseColumnForColumn(row_id, self.columns()[i]);
  669. }
  670. return _column;
  671. }
  672. self.getColumnParentRow = function (col_id) {
  673. var _row = null;
  674. for (var i = 0; i < self.columns().length; i++) {
  675. _row = self.traverseColumnForRow(col_id, self.columns()[i]);
  676. if (_row != null) {
  677. break;
  678. }
  679. }
  680. return _row;
  681. }
  682. self.getRowParentRow = function (row_id) {
  683. var _col = self.getRowParentColumn(row_id);
  684. if (_col != null) {
  685. return self.getColumnParentRow(_col.id());
  686. }
  687. }
  688. self.traverseColumnForColumn = function (row_id, col) {
  689. var _column = null;
  690. if (col) {
  691. for (var j = 0; j < col.rows().length; j++) {
  692. var row = col.rows()[j];
  693. if (row.id() == row_id) {
  694. _column = col;
  695. break;
  696. }
  697. for (var z = 0; z < row.columns().length; z++) {
  698. _column = self.traverseColumnForColumn(row_id, row.columns()[z]);
  699. if (_column != null) {
  700. break;
  701. }
  702. }
  703. }
  704. }
  705. return _column;
  706. }
  707. self.traverseColumnForRow = function (col_id, col) {
  708. var _row = null;
  709. if (col) {
  710. for (var j = 0; j < col.rows().length; j++) {
  711. var row = col.rows()[j];
  712. for (var z = 0; z < row.columns().length; z++) {
  713. var _col = row.columns()[z];
  714. if (_col.id() == col_id) {
  715. _row = row;
  716. }
  717. else {
  718. _row = self.traverseColumnForRow(col_id, _col);
  719. }
  720. if (_row != null) {
  721. break;
  722. }
  723. }
  724. }
  725. }
  726. return _row;
  727. }
  728. self.traverseColumnForWidget = function (widget_id, col) {
  729. var _row = null;
  730. if (col) {
  731. for (var j = 0; j < col.rows().length; j++) {
  732. var row = col.rows()[j];
  733. for (var z = 0; z < row.widgets().length; z++) {
  734. var widget = row.widgets()[z];
  735. if (widget.id() == widget_id) {
  736. _row = row;
  737. break;
  738. }
  739. }
  740. if (_row != null) {
  741. break;
  742. }
  743. for (var z = 0; z < row.columns().length; z++) {
  744. _row = self.traverseColumnForWidget(widget_id, row.columns()[z]);
  745. if (_row != null) {
  746. break;
  747. }
  748. }
  749. }
  750. }
  751. return _row;
  752. }
  753. self.convertToDecision = function (widget, node) {
  754. if (widget.widgetType() == "fork-widget"){
  755. var _row = self.getWidgetParentRow(widget.id());
  756. var _next = self.getNextRow(_row);
  757. while (_next.widgets().length == 0){
  758. _next = self.getNextRow(_next);
  759. }
  760. // Remove the join
  761. self.workflow.removeNode(_next.widgets()[0].id());
  762. self.removeWidgetById(_next.widgets()[0].id());
  763. widget.widgetType("decision-widget");
  764. node.type("decision-widget");
  765. var _newName = "decision-" + node.id().slice(0, 4);
  766. node.name(_newName);
  767. widget.name(_newName);
  768. $(document).trigger("drawArrows");
  769. }
  770. }
  771. self.save = function () {
  772. $.post("/oozie/editor/workflow/save/", {
  773. "layout": ko.mapping.toJSON(self.columns),
  774. "workflow": ko.mapping.toJSON(self.workflow)
  775. }, function (data) {
  776. if (data.status == 0) {
  777. self.workflow.id(data.id);
  778. $(document).trigger("info", data.message);
  779. if (window.location.search.indexOf("workflow") == -1) {
  780. window.location.hash = '#workflow=' + data.id;
  781. }
  782. }
  783. else {
  784. $(document).trigger("error", data.message);
  785. }
  786. }).fail(function (xhr, textStatus, errorThrown) {
  787. $(document).trigger("error", xhr.responseText);
  788. });
  789. };
  790. self.gen_xml = function () {
  791. $.post("/oozie/editor/workflow/gen_xml/", {
  792. "layout": ko.mapping.toJSON(self.columns),
  793. "workflow": ko.mapping.toJSON(self.workflow)
  794. }, function (data) {
  795. if (data.status == 0) {
  796. console.log(data.xml);
  797. }
  798. else {
  799. $(document).trigger("error", data.message);
  800. }
  801. }).fail(function (xhr, textStatus, errorThrown) {
  802. $(document).trigger("error", xhr.responseText);
  803. });
  804. };
  805. self.showSubmitPopup = function () {
  806. // If self.workflow.id() == null, need to save wf for now
  807. $.get("/oozie/editor/workflow/submit/" + self.workflow.id(), {
  808. }, function (data) {
  809. $(document).trigger("showSubmitPopup", data);
  810. }).fail(function (xhr, textStatus, errorThrown) {
  811. $(document).trigger("error", xhr.responseText);
  812. });
  813. };
  814. function bareWidgetBuilder(name, type){
  815. return new Widget({
  816. size: 12,
  817. id: "",
  818. name: name,
  819. widgetType: type
  820. });
  821. }
  822. self.draggableHiveAction = ko.observable(bareWidgetBuilder("Hive Script", "hive-widget"));
  823. self.draggablePigAction = ko.observable(bareWidgetBuilder("Pig Script", "pig-widget"));
  824. self.draggableJavaAction = ko.observable(bareWidgetBuilder("Java program", "java-widget"));
  825. self.draggableMapReduceAction = ko.observable(bareWidgetBuilder("MapReduce job", "mapreduce-widget"));
  826. self.draggableSubworkflowAction = ko.observable(bareWidgetBuilder("Sub workflow", "subworkflow-widget"));
  827. self.draggableSqoopAction = ko.observable(bareWidgetBuilder("Sqoop 1", "sqoop-widget"));
  828. self.draggableShellAction = ko.observable(bareWidgetBuilder("Shell", "shell-widget"));
  829. self.draggableSshAction = ko.observable(bareWidgetBuilder("Ssh", "ssh-widget"));
  830. self.draggableFsAction = ko.observable(bareWidgetBuilder("HDFS Fs", "fs-widget"));
  831. self.draggableEmailAction = ko.observable(bareWidgetBuilder("Email", "email-widget"));
  832. self.draggableStreamingAction = ko.observable(bareWidgetBuilder("Streaming", "streaming-widget"));
  833. self.draggableDistCpAction = ko.observable(bareWidgetBuilder("Distcp", "distcp-widget"));
  834. self.draggableKillNode = ko.observable(bareWidgetBuilder("Kill", "kill-widget"));
  835. };