workflow-editor.ko.js 29 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
  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. var fork = new Node(vm.currentlyCreatedFork);
  182. var join = new Node(vm.currentlyCreatedJoin);
  183. var forkParent = self.getNodeById(vm.getWidgetPredecessor(parentWidget.id()).id());
  184. var afterParentId = ko.mapping.toJS(forkParent.get_link('to')).to;
  185. var afterParent = self.getNodeById(afterParentId);
  186. fork.children.push({'to': afterParentId});
  187. fork.children.push({'to': node.id()});
  188. forkParent.get_link('to')['to'] = fork.id();
  189. var belowJoin = vm.getWidgetSuccessor(join.id());
  190. join.set_link('to', belowJoin.id());
  191. if (afterParent.type() == 'fork-widget') {
  192. self.getNodeById(afterParent.properties.join_id()).set_link('to', join.id());
  193. } else {
  194. afterParent.set_link('to', join.id());
  195. }
  196. node.set_link('to', join.id());
  197. node.set_link('error', '17c9c895-5a16-7443-bb81-f34b30b21548');
  198. var end = self.nodes.pop();
  199. self.nodes.push(fork);
  200. self.nodes.push(join);
  201. self.nodes.push(end);
  202. } else {
  203. // Just add to existing fork
  204. var join = vm.getWidgetSuccessor(node.id());
  205. node.set_link('to', join.id());
  206. node.set_link('error', '17c9c895-5a16-7443-bb81-f34b30b21548');
  207. parent.children.push({'to': node.id()});
  208. }
  209. } else {
  210. var parentWidget = vm.getWidgetPredecessor(node.id());
  211. var parent = self.getNodeById(parentWidget.id());
  212. if (widget.widgetType() == 'kill-widget') {
  213. parent.set_link('to', node.id());
  214. } else if (parentWidget.widgetType() == 'fork-widget') {
  215. var child = vm.getWidgetSuccessor(node.id());
  216. parent.remove_link('to', child.id());
  217. parent.children.push({'to': node.id()});
  218. node.set_link('to', child.id());
  219. node.set_link('error', '17c9c895-5a16-7443-bb81-f34b30b21548');
  220. } else {
  221. // Parent is regular node
  222. node.set_link('to', parent.get_link('to')['to']);
  223. node.set_link('error', '17c9c895-5a16-7443-bb81-f34b30b21548');
  224. parent.set_link('to', node.id());
  225. }
  226. }
  227. vm.currentlyCreatingFork = false;
  228. } else {
  229. $(document).trigger("error", data.message);
  230. }
  231. }).fail(function (xhr, textStatus, errorThrown) {
  232. $(document).trigger("error", xhr.responseText);
  233. });
  234. };
  235. self.removeNode = function(node_id) {
  236. var node = self.getNodeById(node_id);
  237. var parent = self.getParents(node_id); // Beware, support only one parent
  238. var childLink = node.get_link('to');
  239. var childId = ko.mapping.toJS(childLink)['to'];
  240. parent.remove_link('to', node_id);
  241. parent.children.unshift({'to': childId});
  242. self.nodes.remove(node);
  243. // If need to remove fork
  244. if (parent.type() == 'fork-widget') {
  245. var fork = parent;
  246. var join = self.getNodeById(childId);
  247. if (join.type() == 'join-widget') {
  248. if (fork.children().length == 2) {
  249. // Link top to above and delete fork
  250. fork.remove_link('to', childId);
  251. var forkParent = self.getParents(fork.id());
  252. forkParent.set_link('to', ko.mapping.toJS(fork.get_link('to'))['to']); // Only link
  253. self.nodes.remove(fork);
  254. // Link bottom to child of join
  255. var beboreJoin = self.getParents(childId);
  256. var joinChildId = ko.mapping.toJS(join.get_link('to'))['to'];
  257. beboreJoin.set_link('to', joinChildId);
  258. self.nodes.remove(join);
  259. } else {
  260. parent.remove_link('to', childId);
  261. }
  262. }
  263. }
  264. };
  265. self.moveNode = function(widget) {
  266. var node = self.getNodeById(widget.id());
  267. self.movedNode = node;
  268. self.removeNode(node.id());
  269. self.addNode(widget);
  270. self.movedNode = null;
  271. };
  272. self.getParents = function(node_id) { // Only one for now
  273. var _node = null;
  274. $.each(self.nodes(), function (index, node) {
  275. $.each(node.children(), function(index, link) {
  276. var _link = ko.mapping.toJS(link);
  277. if ('to' in _link && _link.to == node_id) {
  278. _node = node;
  279. return false;
  280. }
  281. })
  282. });
  283. return _node;
  284. };
  285. self.getNodeById = function (node_id) {
  286. var _node = null;
  287. $.each(self.nodes(), function (index, node) {
  288. if (node.id() == node_id) {
  289. _node = node;
  290. return false;
  291. }
  292. });
  293. return _node;
  294. };
  295. }
  296. var WorkflowEditorViewModel = function (layout_json, workflow_json, credentials_json, workflow_properties_json) {
  297. var self = this;
  298. self.isNested = ko.observable(true);
  299. self.isEditing = ko.observable(true);
  300. self.isEditing.subscribe(function(newVal){
  301. $(document).trigger("editingToggled");
  302. });
  303. self.toggleEditing = function () {
  304. self.isEditing(! self.isEditing());
  305. };
  306. self.columns = ko.observable([]);
  307. self.previewColumns = ko.observable("");
  308. self.workflow = new Workflow(self, workflow_json);
  309. self.credentials = ko.mapping.fromJSON(credentials_json);
  310. self.inited = ko.observable(self.columns().length > 0);
  311. self.init = function(callback) {
  312. self.workflow_properties = ko.mapping.fromJS(workflow_properties_json);
  313. loadLayout(self, layout_json);
  314. self.workflow.loadNodes(workflow_json);
  315. }
  316. self.depen = ko.observableArray(workflow_json.dependencies);
  317. self.addActionProperties = ko.observableArray([]);
  318. self.addActionWorkflows = ko.observableArray([]);
  319. self.selectedSubWorkflow = ko.observable();
  320. self.currentlyDraggedWidget = ko.observable(null);
  321. self.currentlyDraggedWidget.subscribe(function (widget) {
  322. toggleSideDrop(widget, false);
  323. });
  324. self.enableSideDrop = function (widget) {
  325. toggleSideDrop(widget, true);
  326. }
  327. function toggleSideDrop(widget, enable) {
  328. if (widget != null && widget.id() != "") {
  329. var _row = self.getWidgetParentRow(widget.id());
  330. if (_row) {
  331. _row.enableOozieDropOnSide(enable);
  332. _row.enableOozieDropOnBefore(enable);
  333. var _col = self.getRowParentColumn(_row.id());
  334. if (self.getColumnParentRow(_col.id())!=null){
  335. _col.enableOozieDropOnBefore(enable);
  336. _col.enableOozieDropOnAfter(enable);
  337. }
  338. var _prevRow = self.getPrevRow(_row);
  339. if (_prevRow){
  340. if (_prevRow.widgets().length > 0 && _prevRow.widgets()[0].widgetType() == "start-widget"){
  341. _prevRow.enableOozieDropOnSide(enable);
  342. self.getRowParentColumn(_prevRow.id()).enableOozieDropOnBefore(enable);
  343. }
  344. }
  345. var _nextRow = self.getNextRow(_row);
  346. if (_nextRow){
  347. _nextRow.enableOozieDropOnBefore(enable);
  348. if (_nextRow.widgets().length > 0 && _nextRow.widgets()[0].widgetType() == "end-widget"){
  349. _nextRow.enableOozieDropOnSide(enable);
  350. self.getRowParentColumn(_nextRow.id()).enableOozieDropOnAfter(enable);
  351. }
  352. }
  353. }
  354. }
  355. }
  356. self.currentlyCreatingFork = false;
  357. self.currentlyCreatedFork = null;
  358. self.currentlyCreatedJoin = null;
  359. self.isDragging = ko.observable(false);
  360. self.addDraggedWidget = function (target, atBeginning) {
  361. if (self.currentlyDraggedWidget() != null) {
  362. var _parentCol = target instanceof Column ? target : self.getRowParentColumn(target.id());
  363. var _newRow = null;
  364. if (typeof atBeginning != "undefined") {
  365. if (_parentCol.rows().length > 0 && _parentCol.rows()[0].widgets() && _parentCol.rows()[0].widgets().length > 0 && _parentCol.rows()[0].widgets()[0].widgetType() == "start-widget") {
  366. if (atBeginning) {
  367. _newRow = _parentCol.addEmptyRow(false, 1);
  368. }
  369. else {
  370. _newRow = _parentCol.addEmptyRow(false, _parentCol.rows().length - 1);
  371. }
  372. }
  373. else {
  374. _newRow = _parentCol.addEmptyRow(atBeginning);
  375. }
  376. }
  377. else {
  378. var _rowIdx = 0;
  379. $.each(_parentCol.rows(), function (i, irow) {
  380. if (irow.id() == target.id()) {
  381. _rowIdx = i;
  382. }
  383. });
  384. _newRow = _parentCol.addEmptyRow(false, _rowIdx);
  385. }
  386. var _w = new Widget({
  387. size: self.currentlyDraggedWidget().size(),
  388. id: UUID(),
  389. name: self.currentlyDraggedWidget().name(),
  390. widgetType: self.currentlyDraggedWidget().widgetType(),
  391. properties: self.currentlyDraggedWidget().properties(),
  392. offset: self.currentlyDraggedWidget().offset(),
  393. loading: true,
  394. vm: self
  395. });
  396. if (self.currentlyDraggedWidget().id() != ""){
  397. self.removeWidgetById(self.currentlyDraggedWidget().id());
  398. _w = self.currentlyDraggedWidget();
  399. }
  400. _newRow.widgets([_w]);
  401. return _w;
  402. }
  403. }
  404. self.addSideDraggedWidget = function (row, atBeginning) {
  405. if (self.currentlyDraggedWidget() != null) {
  406. var _parentCol = self.getRowParentColumn(row.id());
  407. var _rowIdx = 0;
  408. $.each(_parentCol.rows(), function (i, irow) {
  409. if (irow.id() == row.id()) {
  410. _rowIdx = i;
  411. }
  412. });
  413. var _addForkAndJoin = (row.columns().length == 0);
  414. if (_addForkAndJoin) {
  415. var _forkRow = _parentCol.addEmptyRow(false, _rowIdx);
  416. var _id = UUID();
  417. var _fork = new Widget({
  418. size: 12,
  419. id: _id,
  420. name: 'fork' + '-' + _id.slice(0, 4),
  421. widgetType: "fork-widget",
  422. properties: {},
  423. offset: 0,
  424. loading: true,
  425. vm: self
  426. });
  427. _forkRow.widgets([_fork]);
  428. }
  429. var _w = new Widget({
  430. size: self.currentlyDraggedWidget().size(),
  431. id: UUID(),
  432. name: self.currentlyDraggedWidget().name(),
  433. widgetType: self.currentlyDraggedWidget().widgetType(),
  434. properties: self.currentlyDraggedWidget().properties(),
  435. offset: self.currentlyDraggedWidget().offset(),
  436. loading: true,
  437. vm: self
  438. });
  439. if (self.currentlyDraggedWidget().id() != ""){
  440. self.removeWidgetById(self.currentlyDraggedWidget().id());
  441. _w = self.currentlyDraggedWidget();
  442. }
  443. if (row.columns().length == 0) {
  444. var _col = row.addColumn(null, atBeginning);
  445. if (row.widgets().length > 0) {
  446. var _row = _col.addEmptyRow();
  447. row.widgets().forEach(function (widget) {
  448. _row.addWidget(widget);
  449. });
  450. if (row.widgets()[0].widgetType() == "fork-widget") {
  451. var _widgetsRow = self.getNextRow(row);
  452. var _joinRow = self.getNextRow(_widgetsRow);
  453. _col.rows.push(_widgetsRow);
  454. _col.rows.push(_joinRow);
  455. self.getRowParentColumn(row.id()).rows.remove(_widgetsRow);
  456. self.getRowParentColumn(row.id()).rows.remove(_joinRow);
  457. }
  458. row.widgets([]);
  459. }
  460. }
  461. var _col = row.addColumn(null, atBeginning);
  462. var _row = new Row([_w], self);
  463. _col.addRow(_row);
  464. if (_addForkAndJoin) {
  465. var _joinRow = _parentCol.addEmptyRow(false, _rowIdx + 2);
  466. var _id = UUID();
  467. var _join = new Widget({
  468. size: 12,
  469. id: _id,
  470. name: "join" + '-' + _id.slice(0, 4),
  471. widgetType: "join-widget",
  472. properties: {},
  473. offset: 0,
  474. loading: true,
  475. vm: self
  476. });
  477. _joinRow.widgets([_join]);
  478. self.currentlyCreatedFork = ko.mapping.toJS(_fork);
  479. self.currentlyCreatedJoin = ko.mapping.toJS(_join);
  480. }
  481. self.currentlyCreatingFork = true;
  482. return _w;
  483. }
  484. }
  485. self.getWidgetById = function (widget_id) {
  486. var _widget = null;
  487. $.each(self.columns(), function (i, col) {
  488. $.each(col.rows(), function (j, row) {
  489. $.each(row.widgets(), function (z, widget) {
  490. if (widget.id() == widget_id){
  491. _widget = widget;
  492. return false;
  493. }
  494. });
  495. });
  496. });
  497. return _widget;
  498. }
  499. self.removeWidget = function (widget_json) {
  500. self.workflow.removeNode(widget_json.id());
  501. self.removeWidgetById(widget_json.id());
  502. }
  503. self.removeWidgetById = function (widget_id) {
  504. $.each(self.columns(), function (i, col) {
  505. self.deeplyRemoveWidgetById(widget_id, col, self)
  506. });
  507. }
  508. self.deeplyRemoveWidgetById = function (widget_id, col, parent) {
  509. if (col) {
  510. $.each(col.rows(), function (j, row) {
  511. if (row && row.widgets()){
  512. $.each(row.widgets(), function (z, widget) {
  513. if (widget.id() == widget_id) {
  514. row.widgets.remove(widget);
  515. col.rows.remove(row);
  516. }
  517. });
  518. }
  519. if (row && row.columns()) {
  520. $.each(row.columns(), function (i, icol) {
  521. self.deeplyRemoveWidgetById(widget_id, icol, row);
  522. });
  523. }
  524. });
  525. if (col.rows().length == 0) {
  526. parent.columns.remove(col);
  527. if (parent.columns().length > 1) {
  528. var _size = Math.max(1, Math.floor(12 / (parent.columns().length)));
  529. parent.columns().forEach(function (icol) {
  530. icol.size(_size);
  531. });
  532. }
  533. else {
  534. var _rows = parent.columns()[0].rows();
  535. var _parentRows = self.getRowParentColumn(parent.id()).rows;
  536. var _prevRowIdx = -1;
  537. for (var i = 0; i < _parentRows().length; i++) {
  538. if (_parentRows()[i].id() == parent.id()) {
  539. break;
  540. }
  541. _prevRowIdx = i;
  542. }
  543. if (_prevRowIdx > -1 && _parentRows()[_prevRowIdx].widgets().length > 0 && _parentRows()[_prevRowIdx].widgets()[0].widgetType() == "fork-widget"){
  544. _parentRows.remove(_parentRows()[_prevRowIdx]);
  545. _parentRows.remove(_parentRows()[_prevRowIdx+1]);
  546. }
  547. for (var i=0;i<_rows.length;i++){
  548. if (i==0){
  549. parent.widgets(_rows[i].widgets());
  550. }
  551. else {
  552. _parentRows.push(_rows[i]);
  553. }
  554. }
  555. parent.columns([]);
  556. }
  557. }
  558. }
  559. }
  560. self.getWidgetRelative = function (widget_id, isPredecessor) {
  561. var _row = self.getWidgetParentRow(widget_id);
  562. var _col = self.getRowParentColumn(_row.id());
  563. var _nextRow = null;
  564. for (var i = 0; i < _col.rows().length; i++) {
  565. if (_col.rows()[i].id() == _row.id()) {
  566. if (!isPredecessor && _col.rows().length >= i + 1) {
  567. _nextRow = _col.rows()[i + 1];
  568. }
  569. break;
  570. }
  571. _nextRow = _col.rows()[i];
  572. }
  573. if (_nextRow != null) {
  574. return _nextRow.widgets()[0];
  575. }
  576. else {
  577. var _parentRow = self.getColumnParentRow(_col.id());
  578. if (_parentRow) {
  579. var _parentColumn = self.getRowParentColumn(_parentRow.id());
  580. var _nextParentRow = null;
  581. for (var i = 0; i < _parentColumn.rows().length; i++) {
  582. if (_parentColumn.rows()[i].id() == _parentRow.id()) {
  583. if (!isPredecessor && _parentColumn.rows().length >= i + 1) {
  584. _nextParentRow = _parentColumn.rows()[i + 1];
  585. }
  586. break;
  587. }
  588. _nextParentRow = _parentColumn.rows()[i];
  589. }
  590. if (_nextParentRow != null) {
  591. return _nextParentRow.widgets()[0];
  592. }
  593. }
  594. }
  595. return null;
  596. }
  597. self.getWidgetPredecessor = function (widget_id) {
  598. return self.getWidgetRelative(widget_id, true);
  599. }
  600. self.getWidgetSuccessor = function (widget_id) {
  601. return self.getWidgetRelative(widget_id, false);
  602. }
  603. self.isRowAfterFork = function (row) {
  604. var _parentColumn = self.getRowParentColumn(row.id());
  605. var _prevRow = null;
  606. for (var i = 0; i < _parentColumn.rows().length; i++) {
  607. var _currentRow = _parentColumn.rows()[i];
  608. if (_currentRow.id() == row.id()){
  609. break;
  610. }
  611. _prevRow = _currentRow;
  612. }
  613. if (_prevRow != null){
  614. return _prevRow.widgets().length > 0 && _prevRow.widgets()[0].widgetType() == "fork-widget";
  615. }
  616. return false;
  617. }
  618. self.isRowBeforeJoin = function (row) {
  619. return row.widgets().length > 0 && row.widgets()[0].widgetType() == "join-widget";
  620. }
  621. self.getNextRow = function (row) {
  622. var _parentColumn = self.getRowParentColumn(row.id());
  623. var _nextParentRow = null;
  624. for (var i = 0; i < _parentColumn.rows().length; i++) {
  625. if (_parentColumn.rows()[i].id() == row.id()) {
  626. if (_parentColumn.rows().length >= i + 1) {
  627. _nextParentRow = _parentColumn.rows()[i + 1];
  628. }
  629. break;
  630. }
  631. _nextParentRow = _parentColumn.rows()[i];
  632. }
  633. return _nextParentRow;
  634. }
  635. self.getPrevRow = function (row) {
  636. var _parentColumn = self.getRowParentColumn(row.id());
  637. var _prevParentRow = null;
  638. for (var i = 0; i < _parentColumn.rows().length; i++) {
  639. if (_parentColumn.rows()[i].id() == row.id()) {
  640. if (i > 0) {
  641. _prevParentRow = _parentColumn.rows()[i - 1];
  642. }
  643. break;
  644. }
  645. _prevParentRow = _parentColumn.rows()[i];
  646. }
  647. return _prevParentRow;
  648. }
  649. self.getWidgetParentRow = function (widget_id) {
  650. var _row = null;
  651. for (var i = 0; i < self.columns().length; i++) {
  652. _row = self.traverseColumnForWidget(widget_id, self.columns()[i]);
  653. if (_row != null) {
  654. break;
  655. }
  656. }
  657. return _row;
  658. }
  659. self.getRowParentColumn = function (row_id) {
  660. var _column = null;
  661. for (var i = 0; i < self.columns().length; i++) {
  662. _column = self.traverseColumnForColumn(row_id, self.columns()[i]);
  663. }
  664. return _column;
  665. }
  666. self.getColumnParentRow = function (col_id) {
  667. var _row = null;
  668. for (var i = 0; i < self.columns().length; i++) {
  669. _row = self.traverseColumnForRow(col_id, self.columns()[i]);
  670. if (_row != null) {
  671. break;
  672. }
  673. }
  674. return _row;
  675. }
  676. self.getRowParentRow = function (row_id) {
  677. var _col = self.getRowParentColumn(row_id);
  678. if (_col != null) {
  679. return self.getColumnParentRow(_col.id());
  680. }
  681. }
  682. self.traverseColumnForColumn = function (row_id, col) {
  683. var _column = null;
  684. if (col) {
  685. for (var j = 0; j < col.rows().length; j++) {
  686. var row = col.rows()[j];
  687. if (row.id() == row_id) {
  688. _column = col;
  689. break;
  690. }
  691. for (var z = 0; z < row.columns().length; z++) {
  692. _column = self.traverseColumnForColumn(row_id, row.columns()[z]);
  693. if (_column != null) {
  694. break;
  695. }
  696. }
  697. }
  698. }
  699. return _column;
  700. }
  701. self.traverseColumnForRow = function (col_id, col) {
  702. var _row = null;
  703. if (col) {
  704. for (var j = 0; j < col.rows().length; j++) {
  705. var row = col.rows()[j];
  706. for (var z = 0; z < row.columns().length; z++) {
  707. var _col = row.columns()[z];
  708. if (_col.id() == col_id) {
  709. _row = row;
  710. }
  711. else {
  712. _row = self.traverseColumnForRow(col_id, _col);
  713. }
  714. if (_row != null) {
  715. break;
  716. }
  717. }
  718. }
  719. }
  720. return _row;
  721. }
  722. self.traverseColumnForWidget = function (widget_id, col) {
  723. var _row = null;
  724. if (col) {
  725. for (var j = 0; j < col.rows().length; j++) {
  726. var row = col.rows()[j];
  727. for (var z = 0; z < row.widgets().length; z++) {
  728. var widget = row.widgets()[z];
  729. if (widget.id() == widget_id) {
  730. _row = row;
  731. break;
  732. }
  733. }
  734. if (_row != null) {
  735. break;
  736. }
  737. for (var z = 0; z < row.columns().length; z++) {
  738. _row = self.traverseColumnForWidget(widget_id, row.columns()[z]);
  739. if (_row != null) {
  740. break;
  741. }
  742. }
  743. }
  744. }
  745. return _row;
  746. }
  747. self.convertToDecision = function (widget, node) {
  748. if (widget.widgetType() == "fork-widget"){
  749. widget.widgetType("decision-widget");
  750. node.type("decision-widget");
  751. var _newName = "decision-" + node.id().slice(0, 4);
  752. node.name(_newName);
  753. widget.name(_newName);
  754. $(document).trigger("drawArrows");
  755. }
  756. }
  757. self.convertToFork = function (widget, node) {
  758. if (widget.widgetType() == "decision-widget"){
  759. widget.widgetType("fork-widget");
  760. node.type("fork-widget");
  761. var _newName = "fork-" + node.id().slice(0, 4);
  762. node.name(_newName);
  763. widget.name(_newName);
  764. $(document).trigger("drawArrows");
  765. }
  766. }
  767. self.save = function () {
  768. $.post("/oozie/editor/workflow/save/", {
  769. "layout": ko.mapping.toJSON(self.columns),
  770. "workflow": ko.mapping.toJSON(self.workflow)
  771. }, function (data) {
  772. if (data.status == 0) {
  773. self.workflow.id(data.id);
  774. $(document).trigger("info", data.message);
  775. if (window.location.search.indexOf("workflow") == -1) {
  776. window.location.hash = '#workflow=' + data.id;
  777. }
  778. }
  779. else {
  780. $(document).trigger("error", data.message);
  781. }
  782. }).fail(function (xhr, textStatus, errorThrown) {
  783. $(document).trigger("error", xhr.responseText);
  784. });
  785. };
  786. self.gen_xml = function () {
  787. $.post("/oozie/editor/workflow/gen_xml/", {
  788. "layout": ko.mapping.toJSON(self.columns),
  789. "workflow": ko.mapping.toJSON(self.workflow)
  790. }, function (data) {
  791. if (data.status == 0) {
  792. console.log(data.xml);
  793. }
  794. else {
  795. $(document).trigger("error", data.message);
  796. }
  797. }).fail(function (xhr, textStatus, errorThrown) {
  798. $(document).trigger("error", xhr.responseText);
  799. });
  800. };
  801. self.showSubmitPopup = function () {
  802. // If self.workflow.id() == null, need to save wf for now
  803. $.get("/oozie/editor/workflow/submit/" + self.workflow.id(), {
  804. }, function (data) {
  805. $(document).trigger("showSubmitPopup", data);
  806. }).fail(function (xhr, textStatus, errorThrown) {
  807. $(document).trigger("error", xhr.responseText);
  808. });
  809. };
  810. function bareWidgetBuilder(name, type){
  811. return new Widget({
  812. size: 12,
  813. id: "",
  814. name: name,
  815. widgetType: type
  816. });
  817. }
  818. self.draggableHiveAction = ko.observable(bareWidgetBuilder("Hive Script", "hive-widget"));
  819. self.draggablePigAction = ko.observable(bareWidgetBuilder("Pig Script", "pig-widget"));
  820. self.draggableJavaAction = ko.observable(bareWidgetBuilder("Java program", "java-widget"));
  821. self.draggableMapReduceAction = ko.observable(bareWidgetBuilder("MapReduce job", "mapreduce-widget"));
  822. self.draggableSubworkflowAction = ko.observable(bareWidgetBuilder("Sub workflow", "subworkflow-widget"));
  823. self.draggableSqoopAction = ko.observable(bareWidgetBuilder("Sqoop 1", "sqoop-widget"));
  824. self.draggableShellAction = ko.observable(bareWidgetBuilder("Shell", "shell-widget"));
  825. self.draggableSshAction = ko.observable(bareWidgetBuilder("Ssh", "ssh-widget"));
  826. self.draggableFsAction = ko.observable(bareWidgetBuilder("HDFS Fs", "fs-widget"));
  827. self.draggableEmailAction = ko.observable(bareWidgetBuilder("Email", "email-widget"));
  828. self.draggableStreamingAction = ko.observable(bareWidgetBuilder("Streaming", "streaming-widget"));
  829. self.draggableDistCpAction = ko.observable(bareWidgetBuilder("Distcp", "distcp-widget"));
  830. self.draggableKillNode = ko.observable(bareWidgetBuilder("Kill", "kill-widget"));
  831. };