workflow-editor.ko.js 35 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 ExtendedRow([], viewModel);
  39. $(json_row.widgets).each(function (wcnt, widget) {
  40. var _w = new ExtendedWidget({
  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. row.addWidget(_w);
  51. });
  52. row.columns(loadColumns(viewModel, json_row.columns));
  53. _rows.push(row);
  54. });
  55. var column = new ExtendedColumn(json_col.size, _rows);
  56. _columns = _columns.concat(column);
  57. });
  58. return _columns;
  59. }
  60. function loadLayout(viewModel, json_layout) {
  61. var _cols = loadColumns(viewModel, json_layout);
  62. viewModel.oozieColumns(_cols);
  63. }
  64. // End dashboard lib
  65. var Node = function (node) {
  66. var self = this;
  67. var type = typeof node.widgetType != "undefined" ? node.widgetType : node.type;
  68. self.id = ko.observable(typeof node.id != "undefined" && node.id != null ? node.id : UUID());
  69. self.name = ko.observable(typeof node.name != "undefined" && node.name != null ? node.name : "");
  70. self.type = ko.observable(typeof type != "undefined" && type != null ? type : "");
  71. self.properties = ko.mapping.fromJS(typeof node.properties != "undefined" && node.properties != null ? node.properties : {});
  72. self.children = ko.mapping.fromJS(typeof node.children != "undefined" && node.children != null ? node.children : []);
  73. self.actionParameters = ko.observableArray([]);
  74. self.actionParametersUI = ko.computed(function() { // TODO: remove truncation when autocomplete
  75. return $.map(self.actionParameters().slice(0, 3), function(param) {return param + '=...'}).join();
  76. });
  77. self.actionParametersFetched = ko.observable(false);
  78. self.get_link = function (name) {
  79. var _link = null;
  80. $.each(self.children(), function (index, link) {
  81. if (name in link) {
  82. _link = link;
  83. return false;
  84. }
  85. });
  86. return _link;
  87. }
  88. self.set_link = function (name, node_id) {
  89. var _link = self.get_link(name);
  90. if (_link == null) {
  91. _link = {}
  92. self.children.push(_link);
  93. }
  94. _link[name] = node_id;
  95. self.children.valueHasMutated();
  96. }
  97. self.remove_link = function (name, child) {
  98. var _link = null;
  99. $.each(self.children(), function (index, link) {
  100. var _l = ko.mapping.toJS(link);
  101. if (name in _l && _l[name] == child) {
  102. _link = link;
  103. return false;
  104. }
  105. });
  106. if (_link != null) {
  107. self.children.remove(_link);
  108. }
  109. }
  110. if (typeof self.properties.parameters != "undefined") { // Fetch once the possible variable when they exist
  111. self.properties.parameters.subscribe(function(newVal) { // TODO: only fetch when first time focus on one of the parameters and showing the autocomplete.
  112. if (newVal && ! self.actionParametersFetched()) {
  113. $.post("/oozie/editor/workflow/action/parameters/", {
  114. "node": ko.mapping.toJSON(self),
  115. }, function (data) {
  116. self.actionParametersFetched(true);
  117. self.actionParameters(data.parameters);
  118. }).fail(function (xhr, textStatus, errorThrown) {
  119. $(document).trigger("error", xhr.responseText);
  120. });
  121. }
  122. });
  123. }
  124. if (typeof self.properties.script_path != "undefined") {
  125. self.properties.script_path.subscribe(function() {
  126. self.actionParametersFetched(false);
  127. });
  128. }
  129. }
  130. var Workflow = function (vm, workflow) {
  131. var self = this;
  132. self.id = ko.observable(typeof workflow.id != "undefined" && workflow.id != null ? workflow.id : null);
  133. self.uuid = ko.observable(typeof workflow.uuid != "undefined" && workflow.uuid != null ? workflow.uuid : UUID());
  134. self.name = ko.observable(typeof workflow.name != "undefined" && workflow.name != null ? workflow.name : "");
  135. self.properties = ko.mapping.fromJS(typeof workflow.properties != "undefined" && workflow.properties != null ? workflow.properties : {});
  136. self.nodes = ko.observableArray([]);
  137. self.movedNode = null;
  138. self.nodeIds = ko.computed(function () {
  139. var mapping = [];
  140. $.each(self.nodes(), function (index, node) {
  141. mapping.push(node.id());
  142. });
  143. return mapping;
  144. });
  145. self.nodeNamesMapping = ko.computed(function () {
  146. var mapping = {};
  147. $.each(self.nodes(), function (index, node) {
  148. mapping[node.id()] = node.name();
  149. });
  150. return mapping;
  151. });
  152. self.linkMapping = ko.computed(function () {
  153. var mapping = {};
  154. $.each(self.nodes(), function (index, node) {
  155. var links = []
  156. $.each(node.children(), function (index, link) {
  157. if ('to' in link) {
  158. links.push(link['to']);
  159. }
  160. });
  161. mapping[node.id()] = links
  162. });
  163. return mapping;
  164. });
  165. self.linkMapping.subscribe(function (newVal) {
  166. $(document).trigger("drawArrows");
  167. });
  168. self.loadNodes = function (workflow) {
  169. var nodes = []
  170. $.each(workflow.nodes, function (index, node) {
  171. var _node = new Node(node);
  172. nodes.push(_node);
  173. });
  174. self.nodes(nodes)
  175. }
  176. self.newNode = function (widget, callback) {
  177. $.ajax({
  178. type: "POST",
  179. url: "/oozie/editor/workflow/new_node/",
  180. data: {
  181. "workflow": ko.mapping.toJSON(workflow),
  182. "node": ko.mapping.toJSON(widget)
  183. },
  184. success: function (data) {
  185. if (data.status == 0) {
  186. viewModel.addActionProperties.removeAll();
  187. $.each(data.properties, function(i, prop) {
  188. viewModel.addActionProperties.push(ko.mapping.fromJS(prop));
  189. });
  190. if (data.workflows.length > 0) {
  191. viewModel.subworfklows(data.workflows);
  192. }
  193. if (callback) {
  194. callback(widget);
  195. }
  196. }
  197. },
  198. async: false
  199. });
  200. };
  201. self.addNode = function (widget) {
  202. $.post("/oozie/editor/workflow/add_node/", {
  203. "workflow": ko.mapping.toJSON(workflow),
  204. "node": ko.mapping.toJSON(widget),
  205. "properties": ko.mapping.toJSON(viewModel.addActionProperties()),
  206. }, function (data) {
  207. if (data.status == 0) {
  208. var _node = ko.mapping.toJS(widget);
  209. _node.properties = data.properties;
  210. _node.name = data.name;
  211. if (self.movedNode) {
  212. var node = self.movedNode;
  213. } else {
  214. var node = new Node(_node);
  215. }
  216. self.nodes.push(node);
  217. // If added to the side
  218. if (vm.currentlyCreatingFork) {
  219. var parentWidget = vm.getWidgetPredecessor(node.id());
  220. var parent = self.getNodeById(parentWidget.id());
  221. if (self.getNodeById(parentWidget.id()) == null) { // New fork
  222. vm.currentlyCreatedJoin.properties['fork_id'] = vm.currentlyCreatedFork.id;
  223. vm.currentlyCreatedFork.properties['join_id'] = vm.currentlyCreatedJoin.id;
  224. var fork = new Node(vm.currentlyCreatedFork);
  225. var join = new Node(vm.currentlyCreatedJoin);
  226. self.nodes.push(fork);
  227. self.nodes.push(join);
  228. var forkParent = self.getNodeById(vm.getWidgetPredecessor(parentWidget.id()).id());
  229. var afterParentId = ko.mapping.toJS(forkParent.get_link('to')).to;
  230. var afterParent = self.getNodeById(afterParentId);
  231. fork.children.push({'to': afterParentId, 'condition': ''});
  232. fork.children.push({'to': node.id(), 'condition': ''});
  233. forkParent.get_link('to')['to'] = fork.id();
  234. var belowJoin = vm.getWidgetSuccessor(join.id());
  235. join.set_link('to', belowJoin.id());
  236. if (afterParent.type() == 'fork-widget') {
  237. self.getNodeById(afterParent.properties.join_id()).set_link('to', join.id());
  238. } else {
  239. afterParent.set_link('to', join.id());
  240. }
  241. node.set_link('to', join.id());
  242. node.set_link('error', '17c9c895-5a16-7443-bb81-f34b30b21548');
  243. } else {
  244. // Just add to existing fork
  245. var join = vm.getWidgetSuccessor(node.id());
  246. node.set_link('to', join.id());
  247. node.set_link('error', '17c9c895-5a16-7443-bb81-f34b30b21548');
  248. parent.children.push({'to': node.id(), 'condition': ''});
  249. }
  250. } else {
  251. var parentWidget = vm.getWidgetPredecessor(node.id());
  252. var parent = self.getNodeById(parentWidget.id());
  253. if (widget.widgetType() == 'kill-widget') {
  254. parent.set_link('to', node.id());
  255. } else if (parentWidget.widgetType() == 'fork-widget') {
  256. var child = vm.getWidgetSuccessor(node.id());
  257. parent.remove_link('to', child.id());
  258. parent.children.push({'to': node.id(), 'condition': ''});
  259. node.set_link('to', child.id());
  260. node.set_link('error', '17c9c895-5a16-7443-bb81-f34b30b21548');
  261. } else {
  262. // Parent is regular node
  263. node.set_link('to', parent.get_link('to')['to']);
  264. node.set_link('error', '17c9c895-5a16-7443-bb81-f34b30b21548');
  265. parent.set_link('to', node.id());
  266. }
  267. }
  268. vm.currentlyCreatingFork = false;
  269. } else {
  270. $(document).trigger("error", data.message);
  271. }
  272. }).fail(function (xhr, textStatus, errorThrown) {
  273. $(document).trigger("error", xhr.responseText);
  274. });
  275. };
  276. self.removeNode = function (node_id) {
  277. var node = self.getNodeById(node_id);
  278. var parents = self.getParents(node_id);
  279. var parent = null;
  280. var childLink = null;
  281. if (node) {
  282. childLink = node.get_link('to');
  283. }
  284. if (childLink) {
  285. var childId = ko.mapping.toJS(childLink)['to'];
  286. $.each(parents, function (index, _parent) {
  287. _parent.remove_link('to', node_id);
  288. _parent.children.unshift({'to': childId});
  289. parent = _parent;
  290. });
  291. self.nodes.remove(node);
  292. // If need to remove fork
  293. if (parent.type() == 'fork-widget') {
  294. var fork = parent;
  295. var join = self.getNodeById(childId);
  296. if (join.type() == 'join-widget') {
  297. if (fork.children().length == 2) {
  298. // Link top to above and delete fork
  299. fork.remove_link('to', childId);
  300. var forkParent = self.getParents(fork.id())[0];
  301. forkParent.set_link('to', ko.mapping.toJS(fork.get_link('to'))['to']); // Only link
  302. self.nodes.remove(fork);
  303. // Link bottom to child of join
  304. var beboreJoin = self.getParents(childId)[0];
  305. var joinChildId = ko.mapping.toJS(join.get_link('to'))['to'];
  306. beboreJoin.set_link('to', joinChildId);
  307. self.nodes.remove(join);
  308. } else {
  309. parent.remove_link('to', childId);
  310. }
  311. }
  312. } else if (parent.type() == 'decision-widget') {
  313. parent.remove_link('to', childId);
  314. }
  315. }
  316. else {
  317. self.nodes.remove(node);
  318. }
  319. };
  320. self.moveNode = function (widget) {
  321. var node = self.getNodeById(widget.id());
  322. self.movedNode = node;
  323. self.removeNode(node.id());
  324. self.addNode(widget);
  325. self.movedNode = null;
  326. };
  327. self.getParents = function (node_id) { // Join nodes can have multiple parents
  328. var _nodes = [];
  329. $.each(self.nodes(), function (index, node) {
  330. $.each(node.children(), function (index, link) {
  331. var _link = ko.mapping.toJS(link);
  332. if ('to' in _link && _link.to == node_id) {
  333. _nodes.push(node);
  334. }
  335. })
  336. });
  337. return _nodes;
  338. };
  339. self.getNodeById = function (node_id) {
  340. var _node = null;
  341. $.each(self.nodes(), function (index, node) {
  342. if (node.id() == node_id) {
  343. _node = node;
  344. return false;
  345. }
  346. });
  347. return _node;
  348. };
  349. }
  350. var WorkflowEditorViewModel = function (layout_json, workflow_json, credentials_json, workflow_properties_json, subworkflows_json) {
  351. var self = this;
  352. self.isNested = ko.observable(true);
  353. self.isEditing = ko.observable(true);
  354. self.isEditing.subscribe(function (newVal) {
  355. $(document).trigger("editingToggled");
  356. });
  357. self.toggleEditing = function () {
  358. self.isEditing(!self.isEditing());
  359. };
  360. self.hasArrows = ko.observable(true);
  361. self.hasArrows.subscribe(function (newVal) {
  362. if (newVal){
  363. $(document).trigger("drawArrows");
  364. }
  365. else {
  366. $(document).trigger("removeArrows");
  367. }
  368. });
  369. self.toggleArrows = function () {
  370. self.hasArrows(! self.hasArrows());
  371. };
  372. self.newAction = ko.observable();
  373. self.columns = ko.observableArray([]);
  374. self.oozieColumns = ko.observableArray([]);
  375. self.previewColumns = ko.observable("");
  376. self.workflow = new Workflow(self, workflow_json);
  377. self.credentials = ko.mapping.fromJSON(credentials_json);
  378. self.inited = ko.observable(self.oozieColumns().length > 0);
  379. self.init = function (callback) {
  380. self.workflow_properties = ko.mapping.fromJS(workflow_properties_json);
  381. loadLayout(self, layout_json);
  382. self.workflow.loadNodes(workflow_json);
  383. };
  384. self.addActionProperties = ko.observableArray([]);
  385. self.subworfklows = ko.observableArray(subworkflows_json);
  386. self.getSubWorkflow = function(uuid) {
  387. var wf = $.grep(self.subworfklows(), function(wf, i) {
  388. return wf.value == uuid;
  389. });
  390. if (wf[0]) {
  391. return ko.mapping.fromJS(wf[0]);
  392. }
  393. };
  394. self.currentlyDraggedWidget = ko.observable(null);
  395. self.currentlyDraggedOp = ko.observable("move");
  396. self.currentlyDraggedWidget.subscribe(function (widget) {
  397. toggleSideDrop(widget, false);
  398. });
  399. self.setCurrentlyDraggedWidget = function (widget, op) {
  400. self.currentlyDraggedOp($(op).hasClass("fa-copy") ? "copy" : "move");
  401. self.currentlyDraggedWidget(widget);
  402. }
  403. self.enableSideDrop = function (widget) {
  404. toggleSideDrop(widget, true);
  405. }
  406. function toggleSideDrop(widget, enable) {
  407. if (widget != null && widget.id() != "" && self.currentlyDraggedOp() == "move") {
  408. var _row = self.getWidgetParentRow(widget.id());
  409. if (_row) {
  410. _row.enableOozieDropOnSide(enable);
  411. _row.enableOozieDropOnBefore(enable);
  412. var _parentRow = self.getRowParentRow(_row.id());
  413. if (_parentRow) {
  414. _parentRow.enableOozieDropOnSide(enable);
  415. if (_parentRow.columns().length <= 2) {
  416. _parentRow.columns().forEach(function (col) {
  417. col.enableOozieDropOnBefore(enable);
  418. col.enableOozieDropOnAfter(enable);
  419. col.rows()[0].enableOozieDropOnSide(enable);
  420. });
  421. var _prevParentRow = self.getPrevRow(_parentRow);
  422. if (_prevParentRow && _prevParentRow.widgets().length > 0 && _prevParentRow.widgets()[0].widgetType() == "fork-widget") {
  423. _prevParentRow.enableOozieDropOnSide(enable);
  424. }
  425. }
  426. }
  427. var _col = self.getRowParentColumn(_row.id());
  428. if (self.getColumnParentRow(_col.id()) != null) {
  429. _col.enableOozieDropOnBefore(enable);
  430. _col.enableOozieDropOnAfter(enable);
  431. }
  432. var _prevRow = self.getPrevRow(_row);
  433. if (_prevRow) {
  434. if (_prevRow.widgets().length > 0 && _prevRow.widgets()[0].widgetType() == "start-widget") {
  435. _prevRow.enableOozieDropOnSide(enable);
  436. self.getRowParentColumn(_prevRow.id()).enableOozieDropOnBefore(enable);
  437. }
  438. }
  439. var _nextRow = self.getNextRow(_row);
  440. if (_nextRow) {
  441. _nextRow.enableOozieDropOnBefore(enable);
  442. if (_nextRow.widgets().length > 0 && _nextRow.widgets()[0].widgetType() == "end-widget") {
  443. _nextRow.enableOozieDropOnSide(enable);
  444. self.getRowParentColumn(_nextRow.id()).enableOozieDropOnAfter(enable);
  445. }
  446. }
  447. }
  448. }
  449. }
  450. self.currentlyCreatingFork = false;
  451. self.currentlyCreatedFork = null;
  452. self.currentlyCreatedJoin = null;
  453. self.isDragging = ko.observable(false);
  454. self.addDraggedWidget = function (target, atBeginning) {
  455. if (self.currentlyDraggedWidget() != null) {
  456. var _parentCol = target instanceof Column ? target : self.getRowParentColumn(target.id());
  457. var _newRow = null;
  458. if (typeof atBeginning != "undefined") {
  459. if (_parentCol.rows().length > 0 && _parentCol.rows()[0].widgets() && _parentCol.rows()[0].widgets().length > 0 && _parentCol.rows()[0].widgets()[0].widgetType() == "start-widget") {
  460. if (atBeginning) {
  461. _newRow = _parentCol.addEmptyRow(false, 1);
  462. }
  463. else {
  464. _newRow = _parentCol.addEmptyRow(false, _parentCol.rows().length - 2);
  465. }
  466. }
  467. else {
  468. _newRow = _parentCol.addEmptyRow(atBeginning);
  469. }
  470. }
  471. else {
  472. var _rowIdx = 0;
  473. $.each(_parentCol.rows(), function (i, irow) {
  474. if (irow.id() == target.id()) {
  475. _rowIdx = i;
  476. }
  477. });
  478. _newRow = _parentCol.addEmptyRow(false, _rowIdx);
  479. }
  480. var _w = new ExtendedWidget({
  481. size: self.currentlyDraggedWidget().size(),
  482. id: UUID(),
  483. name: self.currentlyDraggedWidget().name(),
  484. widgetType: self.currentlyDraggedWidget().widgetType(),
  485. properties: self.currentlyDraggedWidget().properties(),
  486. offset: self.currentlyDraggedWidget().offset(),
  487. loading: true,
  488. vm: self
  489. });
  490. if (self.currentlyDraggedWidget().id() != "" && self.currentlyDraggedOp() == "move") {
  491. self.removeWidgetById(self.currentlyDraggedWidget().id());
  492. _w = self.currentlyDraggedWidget();
  493. }
  494. _newRow.widgets([_w]);
  495. return _w;
  496. }
  497. }
  498. self.addSideDraggedWidget = function (row, atBeginning) {
  499. if (self.currentlyDraggedWidget() != null) {
  500. var _parentCol = self.getRowParentColumn(row.id());
  501. var _rowIdx = 0;
  502. $.each(_parentCol.rows(), function (i, irow) {
  503. if (irow.id() == row.id()) {
  504. _rowIdx = i;
  505. }
  506. });
  507. var _addForkAndJoin = (row.columns().length == 0);
  508. if (_addForkAndJoin) {
  509. var _forkRow = _parentCol.addEmptyRow(false, _rowIdx);
  510. var _id = UUID();
  511. var _fork = new ExtendedWidget({
  512. size: 12,
  513. id: _id,
  514. name: 'fork' + '-' + _id.slice(0, 4),
  515. widgetType: "fork-widget",
  516. properties: {},
  517. offset: 0,
  518. loading: true,
  519. vm: self
  520. });
  521. _forkRow.widgets([_fork]);
  522. }
  523. var _w = new ExtendedWidget({
  524. size: self.currentlyDraggedWidget().size(),
  525. id: UUID(),
  526. name: self.currentlyDraggedWidget().name(),
  527. widgetType: self.currentlyDraggedWidget().widgetType(),
  528. properties: self.currentlyDraggedWidget().properties(),
  529. offset: self.currentlyDraggedWidget().offset(),
  530. loading: true,
  531. vm: self
  532. });
  533. if (self.currentlyDraggedWidget().id() != "" && self.currentlyDraggedOp() == "move") {
  534. self.removeWidgetById(self.currentlyDraggedWidget().id());
  535. _w = self.currentlyDraggedWidget();
  536. }
  537. if (row.columns().length == 0) {
  538. var _col = row.addColumn(null, atBeginning);
  539. if (row.widgets().length > 0) {
  540. var _row = _col.addEmptyRow();
  541. row.widgets().forEach(function (widget) {
  542. _row.addWidget(widget);
  543. });
  544. if (row.widgets()[0].widgetType() == "fork-widget") {
  545. var _widgetsRow = self.getNextRow(row);
  546. var _joinRow = self.getNextRow(_widgetsRow);
  547. _col.rows.push(_widgetsRow);
  548. _col.rows.push(_joinRow);
  549. self.getRowParentColumn(row.id()).rows.remove(_widgetsRow);
  550. self.getRowParentColumn(row.id()).rows.remove(_joinRow);
  551. }
  552. row.widgets([]);
  553. }
  554. }
  555. var _col = row.addColumn(null, atBeginning);
  556. var _row = new ExtendedRow([_w], self);
  557. _col.addRow(_row);
  558. if (_addForkAndJoin) {
  559. var _joinRow = _parentCol.addEmptyRow(false, _rowIdx + 2);
  560. var _id = UUID();
  561. var _join = new ExtendedWidget({
  562. size: 12,
  563. id: _id,
  564. name: "join" + '-' + _id.slice(0, 4),
  565. widgetType: "join-widget",
  566. properties: {},
  567. offset: 0,
  568. loading: true,
  569. vm: self
  570. });
  571. _joinRow.widgets([_join]);
  572. self.currentlyCreatedFork = ko.mapping.toJS(_fork);
  573. self.currentlyCreatedJoin = ko.mapping.toJS(_join);
  574. }
  575. self.currentlyCreatingFork = true;
  576. return _w;
  577. }
  578. }
  579. self.removeWidget = function (widget_json) {
  580. self.workflow.removeNode(widget_json.id());
  581. self.removeWidgetById(widget_json.id());
  582. }
  583. self.removeWidgetById = function (widget_id) {
  584. $.each(self.oozieColumns(), function (i, col) {
  585. self.deeplyRemoveWidgetById(widget_id, col, self)
  586. });
  587. }
  588. self.deeplyRemoveWidgetById = function (widget_id, col, parent) {
  589. if (col) {
  590. $.each(col.rows(), function (j, row) {
  591. if (row && row.widgets()) {
  592. $.each(row.widgets(), function (z, widget) {
  593. if (widget.id() == widget_id) {
  594. row.widgets.remove(widget);
  595. col.rows.remove(row);
  596. }
  597. });
  598. }
  599. if (row && row.columns()) {
  600. $.each(row.columns(), function (i, icol) {
  601. self.deeplyRemoveWidgetById(widget_id, icol, row);
  602. });
  603. }
  604. });
  605. if (col.rows().length == 0) {
  606. parent.columns.remove(col);
  607. if (parent.columns().length > 1) {
  608. var _size = Math.max(1, Math.floor(12 / (parent.columns().length)));
  609. parent.columns().forEach(function (icol) {
  610. icol.size(_size);
  611. });
  612. }
  613. else {
  614. var _rows = parent.columns()[0].rows();
  615. var _parentRows = self.getRowParentColumn(parent.id()).rows;
  616. var _prevRowIdx = -1;
  617. for (var i = 0; i < _parentRows().length; i++) {
  618. if (_parentRows()[i].id() == parent.id()) {
  619. break;
  620. }
  621. _prevRowIdx = i;
  622. }
  623. if (_prevRowIdx > -1 && _parentRows()[_prevRowIdx].widgets().length > 0 && _parentRows()[_prevRowIdx].widgets()[0].widgetType() == "fork-widget") {
  624. _parentRows.remove(_parentRows()[_prevRowIdx]);
  625. _parentRows.remove(_parentRows()[_prevRowIdx + 1]);
  626. }
  627. for (var i = 0; i < _rows.length; i++) {
  628. if (i == 0) {
  629. parent.widgets(_rows[i].widgets());
  630. }
  631. else {
  632. _parentRows.push(_rows[i]);
  633. }
  634. }
  635. parent.columns([]);
  636. }
  637. }
  638. }
  639. }
  640. self.getWidgetRelative = function (widget_id, isPredecessor) {
  641. var _row = self.getWidgetParentRow(widget_id);
  642. var _col = self.getRowParentColumn(_row.id());
  643. var _nextRow = null;
  644. for (var i = 0; i < _col.rows().length; i++) {
  645. if (_col.rows()[i].id() == _row.id()) {
  646. if (!isPredecessor && _col.rows().length >= i + 1) {
  647. _nextRow = _col.rows()[i + 1];
  648. }
  649. break;
  650. }
  651. _nextRow = _col.rows()[i];
  652. }
  653. if (_nextRow != null) {
  654. return _nextRow.widgets()[0];
  655. }
  656. else {
  657. var _parentRow = self.getColumnParentRow(_col.id());
  658. if (_parentRow) {
  659. var _parentColumn = self.getRowParentColumn(_parentRow.id());
  660. var _nextParentRow = null;
  661. for (var i = 0; i < _parentColumn.rows().length; i++) {
  662. if (_parentColumn.rows()[i].id() == _parentRow.id()) {
  663. if (!isPredecessor && _parentColumn.rows().length >= i + 1) {
  664. _nextParentRow = _parentColumn.rows()[i + 1];
  665. }
  666. break;
  667. }
  668. _nextParentRow = _parentColumn.rows()[i];
  669. }
  670. if (_nextParentRow != null) {
  671. return _nextParentRow.widgets()[0];
  672. }
  673. }
  674. }
  675. return null;
  676. }
  677. self.getWidgetPredecessor = function (widget_id) {
  678. return self.getWidgetRelative(widget_id, true);
  679. }
  680. self.getWidgetSuccessor = function (widget_id) {
  681. return self.getWidgetRelative(widget_id, false);
  682. }
  683. self.isRowAfterFork = function (row) {
  684. var _parentColumn = self.getRowParentColumn(row.id());
  685. var _prevRow = null;
  686. for (var i = 0; i < _parentColumn.rows().length; i++) {
  687. var _currentRow = _parentColumn.rows()[i];
  688. if (_currentRow.id() == row.id()) {
  689. break;
  690. }
  691. _prevRow = _currentRow;
  692. }
  693. if (_prevRow != null) {
  694. return _prevRow.widgets().length > 0 && (_prevRow.widgets()[0].widgetType() == "fork-widget" || _prevRow.widgets()[0].widgetType() == "decision-widget");
  695. }
  696. return false;
  697. }
  698. self.isRowBeforeJoin = function (row) {
  699. return row.widgets().length > 0 && row.widgets()[0].widgetType() == "join-widget";
  700. }
  701. self.getNextRow = function (row) {
  702. var _parentColumn = self.getRowParentColumn(row.id());
  703. var _nextParentRow = null;
  704. for (var i = 0; i < _parentColumn.rows().length; i++) {
  705. if (_parentColumn.rows()[i].id() == row.id()) {
  706. if (_parentColumn.rows().length >= i + 1) {
  707. _nextParentRow = _parentColumn.rows()[i + 1];
  708. }
  709. break;
  710. }
  711. _nextParentRow = _parentColumn.rows()[i];
  712. }
  713. return _nextParentRow;
  714. }
  715. self.getPrevRow = function (row) {
  716. var _parentColumn = self.getRowParentColumn(row.id());
  717. var _prevParentRow = null;
  718. for (var i = 0; i < _parentColumn.rows().length; i++) {
  719. if (_parentColumn.rows()[i].id() == row.id()) {
  720. if (i > 0) {
  721. _prevParentRow = _parentColumn.rows()[i - 1];
  722. }
  723. break;
  724. }
  725. _prevParentRow = _parentColumn.rows()[i];
  726. }
  727. return _prevParentRow;
  728. }
  729. self.getWidgetParentRow = function (widget_id) {
  730. var _row = null;
  731. for (var i = 0; i < self.oozieColumns().length; i++) {
  732. _row = self.traverseColumnForWidget(widget_id, self.oozieColumns()[i]);
  733. if (_row != null) {
  734. break;
  735. }
  736. }
  737. return _row;
  738. }
  739. self.getRowParentColumn = function (row_id) {
  740. return self.traverseColumnForColumn(row_id, self.oozieColumns()[0], 0);
  741. }
  742. self.getColumnParentRow = function (col_id) {
  743. return self.traverseColumnForRow(col_id, self.oozieColumns()[0], 0);
  744. }
  745. self.getRowParentRow = function (row_id) {
  746. var _col = self.getRowParentColumn(row_id);
  747. if (_col != null) {
  748. return self.getColumnParentRow(_col.id());
  749. }
  750. }
  751. self.traverseColumnForColumn = function (row_id, col) {
  752. var _column = null;
  753. if (col) {
  754. for (var j = 0; j < col.rows().length; j++) {
  755. var row = col.rows()[j];
  756. for (var z = 0; z < row.columns().length; z++) {
  757. _column = self.traverseColumnForColumn(row_id, row.columns()[z]);
  758. if (_column != null) {
  759. return _column;
  760. }
  761. }
  762. if (row.id() == row_id) {
  763. _column = col;
  764. return _column;
  765. }
  766. }
  767. }
  768. return _column;
  769. }
  770. self.traverseColumnForRow = function (col_id, col) {
  771. var _row = null;
  772. if (col) {
  773. for (var j = 0; j < col.rows().length; j++) {
  774. var row = col.rows()[j];
  775. for (var z = 0; z < row.columns().length; z++) {
  776. var _col = row.columns()[z];
  777. if (_col.id() == col_id) {
  778. _row = row;
  779. }
  780. else {
  781. _row = self.traverseColumnForRow(col_id, _col);
  782. }
  783. if (_row != null) {
  784. return _row;
  785. }
  786. }
  787. }
  788. }
  789. return _row;
  790. }
  791. self.traverseColumnForWidget = function (widget_id, col) {
  792. var _row = null;
  793. if (col) {
  794. for (var j = 0; j < col.rows().length; j++) {
  795. var row = col.rows()[j];
  796. for (var z = 0; z < row.widgets().length; z++) {
  797. var widget = row.widgets()[z];
  798. if (widget.id() == widget_id) {
  799. _row = row;
  800. break;
  801. }
  802. }
  803. if (_row != null) {
  804. break;
  805. }
  806. for (var z = 0; z < row.columns().length; z++) {
  807. _row = self.traverseColumnForWidget(widget_id, row.columns()[z]);
  808. if (_row != null) {
  809. break;
  810. }
  811. }
  812. }
  813. }
  814. return _row;
  815. }
  816. self.convertToDecision = function (widget, node) {
  817. if (widget.widgetType() == "fork-widget") {
  818. var _row = self.getWidgetParentRow(widget.id());
  819. var _next = self.getNextRow(_row);
  820. while (_next.widgets().length == 0) {
  821. _next = self.getNextRow(_next);
  822. }
  823. // Remove the join
  824. self.workflow.removeNode(_next.widgets()[0].id());
  825. self.removeWidgetById(_next.widgets()[0].id());
  826. node.children.push({'to': '33430f0f-ebfa-c3ec-f237-3e77efa03d0a', 'condition': 'default'});
  827. widget.widgetType("decision-widget");
  828. node.type("decision-widget");
  829. var _newName = "decision-" + node.id().slice(0, 4);
  830. node.name(_newName);
  831. widget.name(_newName);
  832. $(document).trigger("drawArrows");
  833. }
  834. }
  835. self.save = function () {
  836. $.post("/oozie/editor/workflow/save/", {
  837. "layout": ko.mapping.toJSON(self.oozieColumns),
  838. "workflow": ko.mapping.toJSON(self.workflow)
  839. }, function (data) {
  840. if (data.status == 0) {
  841. if (self.workflow.id() == null) {
  842. shareViewModel.setDocId(data.doc1_id);
  843. }
  844. self.workflow.id(data.id);
  845. $(document).trigger("info", data.message);
  846. if (window.location.search.indexOf("workflow") == -1) {
  847. window.location.hash = '#workflow=' + data.id;
  848. }
  849. }
  850. else {
  851. $(document).trigger("error", data.message);
  852. }
  853. }).fail(function (xhr, textStatus, errorThrown) {
  854. $(document).trigger("error", xhr.responseText);
  855. });
  856. };
  857. self.gen_xml = function () {
  858. $.post("/oozie/editor/workflow/gen_xml/", {
  859. "layout": ko.mapping.toJSON(self.oozieColumns),
  860. "workflow": ko.mapping.toJSON(self.workflow)
  861. }, function (data) {
  862. if (data.status == 0) {
  863. console.log(data.xml);
  864. }
  865. else {
  866. $(document).trigger("error", data.message);
  867. }
  868. }).fail(function (xhr, textStatus, errorThrown) {
  869. $(document).trigger("error", xhr.responseText);
  870. });
  871. };
  872. self.showSubmitPopup = function () {
  873. // If self.workflow.id() == null, need to save wf for now
  874. $.get("/oozie/editor/workflow/submit/" + self.workflow.id(), {
  875. }, function (data) {
  876. $(document).trigger("showSubmitPopup", data);
  877. }).fail(function (xhr, textStatus, errorThrown) {
  878. $(document).trigger("error", xhr.responseText);
  879. });
  880. };
  881. function bareWidgetBuilder(name, type) {
  882. return new ExtendedWidget({
  883. size: 12,
  884. id: "",
  885. name: name,
  886. widgetType: type
  887. });
  888. }
  889. self.draggableHiveAction = ko.observable(bareWidgetBuilder("Hive Script", "hive-widget"));
  890. self.draggableHive2Action = ko.observable(bareWidgetBuilder("HiveServer2 Script", "hive2-widget"));
  891. self.draggablePigAction = ko.observable(bareWidgetBuilder("Pig Script", "pig-widget"));
  892. self.draggableJavaAction = ko.observable(bareWidgetBuilder("Java program", "java-widget"));
  893. self.draggableMapReduceAction = ko.observable(bareWidgetBuilder("MapReduce job", "mapreduce-widget"));
  894. self.draggableSubworkflowAction = ko.observable(bareWidgetBuilder("Sub workflow", "subworkflow-widget"));
  895. self.draggableSqoopAction = ko.observable(bareWidgetBuilder("Sqoop 1", "sqoop-widget"));
  896. self.draggableShellAction = ko.observable(bareWidgetBuilder("Shell", "shell-widget"));
  897. self.draggableSshAction = ko.observable(bareWidgetBuilder("Ssh", "ssh-widget"));
  898. self.draggableFsAction = ko.observable(bareWidgetBuilder("HDFS Fs", "fs-widget"));
  899. self.draggableEmailAction = ko.observable(bareWidgetBuilder("Email", "email-widget"));
  900. self.draggableStreamingAction = ko.observable(bareWidgetBuilder("Streaming", "streaming-widget"));
  901. self.draggableDistCpAction = ko.observable(bareWidgetBuilder("Distcp", "distcp-widget"));
  902. self.draggableKillNode = ko.observable(bareWidgetBuilder("Kill", "kill-widget"));
  903. };
  904. function logGA(page) {
  905. if (typeof trackOnGA == 'function') {
  906. trackOnGA('oozie/editor/workflow' + page);
  907. }
  908. }
  909. var ExtendedColumn = function (size, rows) {
  910. var self = new Column(size, rows);
  911. self.rowPrototype = ExtendedRow;
  912. self.oozieStartRow = ko.computed(function () {
  913. var _row = null;
  914. ko.utils.arrayForEach(self.rows(), function (row) {
  915. if ((row.widgets().length > 0 && row.widgets()[0].id() == "3f107997-04cc-8733-60a9-a4bb62cebffc")) {
  916. _row = row;
  917. }
  918. });
  919. return _row;
  920. }, self);
  921. self.oozieEndRow = ko.computed(function () {
  922. var _row = null;
  923. ko.utils.arrayForEach(self.rows(), function (row) {
  924. if ((row.widgets().length > 0 && row.widgets()[0].id() == "33430f0f-ebfa-c3ec-f237-3e77efa03d0a")) {
  925. _row = row;
  926. }
  927. });
  928. return _row;
  929. }, self);
  930. self.oozieKillRow = ko.computed(function () {
  931. var _row = null;
  932. ko.utils.arrayForEach(self.rows(), function (row) {
  933. if ((row.widgets().length > 0 && row.widgets()[0].id() == "17c9c895-5a16-7443-bb81-f34b30b21548")) {
  934. _row = row;
  935. }
  936. });
  937. return _row;
  938. }, self);
  939. self.oozieRows = ko.computed(function () {
  940. var _rows = [];
  941. ko.utils.arrayForEach(self.rows(), function (row) {
  942. if ((row.widgets().length > 0 && ["3f107997-04cc-8733-60a9-a4bb62cebffc", "33430f0f-ebfa-c3ec-f237-3e77efa03d0a", "17c9c895-5a16-7443-bb81-f34b30b21548"].indexOf(row.widgets()[0].id()) == -1) || row.widgets().length == 0) {
  943. _rows.push(row);
  944. }
  945. });
  946. return _rows;
  947. }, self);
  948. self.enableOozieDropOnBefore = ko.observable(true);
  949. self.enableOozieDropOnAfter = ko.observable(true);
  950. return self;
  951. }
  952. var ExtendedRow = function (widgets, vm, columns) {
  953. var self = new Row(widgets, vm, columns);
  954. self.columnPrototype = ExtendedColumn;
  955. self.enableOozieDrop = ko.computed(function(){
  956. return vm.isEditing && vm.isEditing() && self.widgets && self.widgets().length < 1
  957. });
  958. self.enableOozieDropOnBefore = ko.observable(true);
  959. self.enableOozieDropOnSide = ko.observable(true);
  960. return self;
  961. }
  962. var ExtendedWidget = function (params) {
  963. var self = new Widget(params);
  964. self.oozieMovable = ko.computed(function() {
  965. return ["end-widget", "start-widget", "fork-widget", "decision-widget", "join-widget"].indexOf(self.widgetType()) == - 1
  966. });
  967. self.oozieExpanded = ko.observable(false);
  968. self.ooziePropertiesExpanded = ko.observable(false);
  969. return self;
  970. }