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