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