workflow-editor.ko.js 25 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. }
  105. self.remove_link = function(name, child) {
  106. var _link = null;
  107. $.each(self.children(), function(index, link) {
  108. var _l = ko.mapping.toJS(link);
  109. if (name in _l && _l[name] == child) {
  110. _link = link;
  111. return false;
  112. }
  113. });
  114. if (_link != null) {
  115. self.children.remove(_link);
  116. }
  117. }
  118. }
  119. var Workflow = function (vm, workflow) {
  120. var self = this;
  121. self.id = ko.observable(typeof workflow.id != "undefined" && workflow.id != null ? workflow.id : null);
  122. self.uuid = ko.observable(typeof workflow.uuid != "undefined" && workflow.uuid != null ? workflow.uuid : UUID());
  123. self.name = ko.observable(typeof workflow.name != "undefined" && workflow.name != null ? workflow.name : "");
  124. self.properties = ko.mapping.fromJS(typeof workflow.properties != "undefined" && workflow.properties != null ? workflow.properties : {});
  125. self.nodes = ko.observableArray([]);
  126. self.linkMapping = ko.computed(function() {
  127. var mapping = {};
  128. $.each(self.nodes(), function(index, node) {
  129. var links = []
  130. $.each(node.children(), function(index, link) {
  131. if ('to' in link) {
  132. links.push(link['to']);
  133. }
  134. });
  135. mapping[node.id()] = links
  136. });
  137. return mapping;
  138. });
  139. self.linkMapping.subscribe(function(newVal){
  140. $(document).trigger("drawArrows");
  141. });
  142. self.loadNodes = function(workflow) {
  143. var nodes = []
  144. $.each(workflow.nodes, function(index, node) {
  145. var _node = new Node(node);
  146. nodes.push(_node);
  147. });
  148. self.nodes(nodes)
  149. }
  150. self.newNode = function(widget) {
  151. $.ajax({
  152. type: "POST",
  153. url: "/oozie/editor/workflow/new_node/",
  154. data: {
  155. "workflow": ko.mapping.toJSON(workflow),
  156. "node": ko.mapping.toJSON(widget)
  157. },
  158. success: function (data) {
  159. if (data.status == 0) {
  160. viewModel.addActionProperties(data.properties);
  161. viewModel.addActionWorkflows(data.workflows);
  162. }
  163. },
  164. async: false
  165. });
  166. };
  167. self.addNode = function(widget) {
  168. // Todo get parent cell, link nodes... when we have the new layout
  169. $.post("/oozie/editor/workflow/add_node/", {
  170. "workflow": ko.mapping.toJSON(workflow),
  171. "node": ko.mapping.toJSON(widget),
  172. "properties": ko.mapping.toJSON(viewModel.addActionProperties()),
  173. "subworkflow": viewModel.selectedSubWorkflow() ? ko.mapping.toJSON(viewModel.selectedSubWorkflow()) : '{}',
  174. }, function (data) {
  175. if (data.status == 0) {
  176. var _node = ko.mapping.toJS(widget);
  177. _node.properties = data.properties;
  178. _node.name = data.name;
  179. var node = new Node(_node);
  180. // Add to list of nodes
  181. var end = self.nodes.pop();
  182. self.nodes.push(node);
  183. self.nodes.push(end);
  184. // if node != kill node
  185. // Added to the side ?
  186. if (vm.currentlyCreatingFork) {
  187. var parentWidget = vm.getWidgetPredecessor(node.id());
  188. if (self.getNodeById(parentWidget.id()) == null) { // New fork
  189. var fork = new Node(vm.currentlyCreatedFork);
  190. var join = new Node(vm.currentlyCreatedJoin);
  191. var forkParent = self.getNodeById(vm.getWidgetPredecessor(parentWidget.id()).id());
  192. var afterParentId = ko.mapping.toJS(forkParent.get_link('to')).to;
  193. var afterParent = self.getNodeById(afterParentId);
  194. fork.children.push({'to': afterParentId});
  195. fork.children.push({'to': node.id()});
  196. forkParent.get_link('to')['to'] = fork.id();
  197. join.set_link('to', afterParent.get_link('to')['to']);
  198. afterParent.set_link('to', join.id());
  199. node.set_link('to', join.id());
  200. node.set_link('error', '17c9c895-5a16-7443-bb81-f34b30b21548');
  201. var end = self.nodes.pop();
  202. self.nodes.push(fork);
  203. self.nodes.push(join);
  204. self.nodes.push(end);
  205. // Regular node
  206. // Join node
  207. } else {
  208. // Just add to existing fork
  209. var join = vm.getWidgetSuccessor(node.id());
  210. node.set_link('to', join.id());
  211. node.set_link('error', '17c9c895-5a16-7443-bb81-f34b30b21548');
  212. self.getNodeById(parentWidget.id()).children.push({'to': node.id()});
  213. }
  214. } else {
  215. var parentWidget = vm.getWidgetPredecessor(node.id());
  216. var parent = self.getNodeById(parentWidget.id());
  217. if (parentWidget.widgetType() == 'fork-widget') {
  218. var child = vm.getWidgetSuccessor(node.id());
  219. parent.remove_link('to', child.id());
  220. parent.children.push({'to': node.id()});
  221. node.set_link('to', child.id());
  222. node.set_link('error', '17c9c895-5a16-7443-bb81-f34b30b21548');
  223. } else {
  224. // Parent is regular node
  225. node.set_link('to', parent.get_link('to')['to']);
  226. node.set_link('error', '17c9c895-5a16-7443-bb81-f34b30b21548');
  227. parent.set_link('to', node.id());
  228. parent.children.valueHasMutated();
  229. }
  230. }
  231. vm.currentlyCreatingFork = false;
  232. } else {
  233. $(document).trigger("error", data.message);
  234. }
  235. }).fail(function (xhr, textStatus, errorThrown) {
  236. $(document).trigger("error", xhr.responseText);
  237. });
  238. };
  239. self.removeNode = function(node_id) {
  240. var node = self.getNodeById(node_id);
  241. var parentWidget = vm.getWidgetPredecessor(node_id); // Use smarter self.getParents if action node with multi parents
  242. var parent = self.getNodeById(parentWidget.id());
  243. var childLink = node.get_link('to');
  244. var childId = ko.mapping.toJS(childLink)['to'];
  245. parent.remove_link('to', node_id);
  246. parent.children.push({'to': childId});
  247. self.nodes.remove(node);
  248. // If need to remove fork
  249. if (parentWidget.widgetType() == 'fork-widget') {
  250. var fork = parent;
  251. var join = self.getNodeById(childId);
  252. if (join.type() == 'join-widget') {
  253. if (fork.children().length == 2) {
  254. // Link top to above and delete fork
  255. var forkParent = self.getParents(fork.id());
  256. forkParent.set_link('to', ko.mapping.toJS(fork.get_link('to'))['to']);
  257. self.nodes.remove(fork);
  258. // Link bottom to child of join
  259. var beboreJoin = self.getParents(childId);
  260. var joinChildId = ko.mapping.toJS(join.get_link('to'))['to'];
  261. beboreJoin.set_link('to', joinChildId);
  262. self.nodes.remove(join);
  263. } else {
  264. parent.remove_link('to', childId);
  265. }
  266. }
  267. }
  268. };
  269. self.getParents = function(node_id) { // Only one for now
  270. var _node = null;
  271. $.each(self.nodes(), function (index, node) {
  272. $.each(node.children(), function(index, link) {
  273. var _link = ko.mapping.toJS(link);
  274. if ('to' in _link && _link.to == node_id) {
  275. _node = node;
  276. return false;
  277. }
  278. })
  279. });
  280. return _node;
  281. }
  282. self.getNodeById = function (node_id) {
  283. var _node = null;
  284. $.each(self.nodes(), function (index, node) {
  285. if (node.id() == node_id) {
  286. _node = node;
  287. return false;
  288. }
  289. });
  290. return _node;
  291. };
  292. }
  293. var WorkflowEditorViewModel = function (layout_json, workflow_json, credentials_json) {
  294. var self = this;
  295. self.isNested = ko.observable(true);
  296. self.isEditing = ko.observable(true);
  297. self.isEditing.subscribe(function(newVal){
  298. $(document).trigger("editingToggled");
  299. });
  300. self.toggleEditing = function () {
  301. self.isEditing(! self.isEditing());
  302. };
  303. self.columns = ko.observable([]);
  304. self.previewColumns = ko.observable("");
  305. self.workflow = new Workflow(self, workflow_json);
  306. self.credentials = ko.mapping.fromJSON(credentials_json);
  307. self.inited = ko.observable(self.columns().length > 0);
  308. self.init = function(callback) {
  309. loadLayout(self, layout_json);
  310. self.workflow.loadNodes(workflow_json);
  311. }
  312. self.depen = ko.observableArray(workflow_json.dependencies);
  313. self.addActionProperties = ko.observableArray([]);
  314. self.addActionWorkflows = ko.observableArray([]);
  315. self.selectedSubWorkflow = ko.observable();
  316. self.currentlyDraggedWidget = null;
  317. self.currentlyCreatingFork = false;
  318. self.currentlyCreatedFork = null;
  319. self.currentlyCreatedJoin = null;
  320. self.isDragging = ko.observable(false);
  321. self.setCurrentDraggedWidget = function (widget) {
  322. self.currentlyDraggedWidget = widget;
  323. }
  324. self.addDraggedWidget = function (target, atBeginning) {
  325. if (self.currentlyDraggedWidget != null) {
  326. var _parentCol = target instanceof Column ? target : self.getRowParentColumn(target.id());
  327. var _newRow = null;
  328. if (typeof atBeginning != "undefined"){
  329. _newRow = _parentCol.addEmptyRow(atBeginning);
  330. }
  331. else {
  332. var _rowIdx = 0;
  333. $.each(_parentCol.rows(), function (i, irow) {
  334. if (irow.id() == target.id()) {
  335. _rowIdx = i;
  336. }
  337. });
  338. _newRow = _parentCol.addEmptyRow(false, _rowIdx);
  339. }
  340. var _w = new Widget({
  341. size: self.currentlyDraggedWidget.size(),
  342. id: UUID(),
  343. name: self.currentlyDraggedWidget.name(),
  344. widgetType: self.currentlyDraggedWidget.widgetType(),
  345. properties: self.currentlyDraggedWidget.properties(),
  346. offset: self.currentlyDraggedWidget.offset(),
  347. loading: true,
  348. vm: self
  349. });
  350. _newRow.widgets([_w]);
  351. return _w;
  352. }
  353. }
  354. self.addSideDraggedWidget = function (row, atBeginning) {
  355. if (self.currentlyDraggedWidget != null) {
  356. var _parentCol = self.getRowParentColumn(row.id());
  357. var _rowIdx = 0;
  358. $.each(_parentCol.rows(), function (i, irow) {
  359. if (irow.id() == row.id()) {
  360. _rowIdx = i;
  361. }
  362. });
  363. var _addForkAndJoin = (row.columns().length == 0);
  364. if (_addForkAndJoin) {
  365. var _forkRow = _parentCol.addEmptyRow(false, _rowIdx);
  366. var _id = UUID();
  367. var _fork = new Widget({
  368. size: 12,
  369. id: _id,
  370. name: 'fork' + '-' + _id.slice(0, 4),
  371. widgetType: "fork-widget",
  372. properties: {},
  373. offset: 0,
  374. loading: true,
  375. vm: self
  376. });
  377. _forkRow.widgets([_fork]);
  378. }
  379. var _w = new Widget({
  380. size: self.currentlyDraggedWidget.size(),
  381. id: UUID(),
  382. name: self.currentlyDraggedWidget.name(),
  383. widgetType: self.currentlyDraggedWidget.widgetType(),
  384. properties: self.currentlyDraggedWidget.properties(),
  385. offset: self.currentlyDraggedWidget.offset(),
  386. loading: true,
  387. vm: self
  388. });
  389. if (row.columns().length == 0) {
  390. var _col = row.addColumn(null, atBeginning);
  391. if (row.widgets().length > 0) {
  392. var _row = _col.addEmptyRow();
  393. row.widgets().forEach(function (widget) {
  394. _row.addWidget(widget);
  395. });
  396. if (row.widgets()[0].widgetType() == "fork-widget") {
  397. var _widgetsRow = self.getNextRow(row);
  398. var _joinRow = self.getNextRow(_widgetsRow);
  399. _col.rows.push(_widgetsRow);
  400. _col.rows.push(_joinRow);
  401. self.getRowParentColumn(row.id()).rows.remove(_widgetsRow);
  402. self.getRowParentColumn(row.id()).rows.remove(_joinRow);
  403. }
  404. row.widgets([]);
  405. }
  406. }
  407. var _col = row.addColumn(null, atBeginning);
  408. var _row = new Row([_w], self);
  409. _col.addRow(_row);
  410. if (_addForkAndJoin) {
  411. var _joinRow = _parentCol.addEmptyRow(false, _rowIdx + 2);
  412. var _id = UUID();
  413. var _join = new Widget({
  414. size: 12,
  415. id: _id,
  416. name: "join" + '-' + _id.slice(0, 4),
  417. widgetType: "join-widget",
  418. properties: {},
  419. offset: 0,
  420. loading: true,
  421. vm: self
  422. });
  423. _joinRow.widgets([_join]);
  424. self.currentlyCreatedFork = ko.mapping.toJS(_fork);
  425. self.currentlyCreatedJoin = ko.mapping.toJS(_join);
  426. }
  427. self.currentlyCreatingFork = true;
  428. self.currentlyDraggedWidget = null;
  429. return _w;
  430. }
  431. }
  432. self.getWidgetById = function (widget_id) {
  433. var _widget = null;
  434. $.each(self.columns(), function (i, col) {
  435. $.each(col.rows(), function (j, row) {
  436. $.each(row.widgets(), function (z, widget) {
  437. if (widget.id() == widget_id){
  438. _widget = widget;
  439. return false;
  440. }
  441. });
  442. });
  443. });
  444. return _widget;
  445. }
  446. self.removeWidget = function (widget_json) {
  447. self.workflow.removeNode(widget_json.id());
  448. self.removeWidgetById(widget_json.id());
  449. }
  450. self.removeWidgetById = function (widget_id) {
  451. $.each(self.columns(), function (i, col) {
  452. self.deeplyRemoveWidgetById(widget_id, col, self)
  453. });
  454. }
  455. self.deeplyRemoveWidgetById = function (widget_id, col, parent) {
  456. if (col) {
  457. $.each(col.rows(), function (j, row) {
  458. if (row && row.widgets()){
  459. $.each(row.widgets(), function (z, widget) {
  460. if (widget.id() == widget_id) {
  461. row.widgets.remove(widget);
  462. col.rows.remove(row);
  463. }
  464. });
  465. }
  466. if (row && row.columns()) {
  467. $.each(row.columns(), function (i, icol) {
  468. self.deeplyRemoveWidgetById(widget_id, icol, row);
  469. });
  470. }
  471. });
  472. if (col.rows().length == 0) {
  473. parent.columns.remove(col);
  474. if (parent.columns().length > 1) {
  475. var _size = Math.max(1, Math.floor(12 / (parent.columns().length)));
  476. parent.columns().forEach(function (icol) {
  477. icol.size(_size);
  478. });
  479. }
  480. else {
  481. var _rows = parent.columns()[0].rows();
  482. var _parentRows = self.getRowParentColumn(parent.id()).rows;
  483. var _prevRowIdx = -1;
  484. for (var i = 0; i < _parentRows().length; i++) {
  485. if (_parentRows()[i].id() == parent.id()) {
  486. break;
  487. }
  488. _prevRowIdx = i;
  489. }
  490. if (_prevRowIdx > -1 && _parentRows()[_prevRowIdx].widgets().length > 0 && _parentRows()[_prevRowIdx].widgets()[0].widgetType() == "fork-widget"){
  491. _parentRows.remove(_parentRows()[_prevRowIdx]);
  492. _parentRows.remove(_parentRows()[_prevRowIdx+1]);
  493. }
  494. for (var i=0;i<_rows.length;i++){
  495. if (i==0){
  496. parent.widgets(_rows[i].widgets());
  497. }
  498. else {
  499. _parentRows.push(_rows[i]);
  500. }
  501. }
  502. parent.columns([]);
  503. }
  504. }
  505. }
  506. }
  507. self.getWidgetRelative = function (widget_id, isPredecessor) {
  508. var _row = self.getWidgetParentRow(widget_id);
  509. var _col = self.getRowParentColumn(_row.id());
  510. var _nextRow = null;
  511. for (var i = 0; i < _col.rows().length; i++) {
  512. if (_col.rows()[i].id() == _row.id()) {
  513. if (!isPredecessor && _col.rows().length >= i + 1) {
  514. _nextRow = _col.rows()[i + 1];
  515. }
  516. break;
  517. }
  518. _nextRow = _col.rows()[i];
  519. }
  520. if (_nextRow != null) {
  521. return _nextRow.widgets()[0];
  522. }
  523. else {
  524. var _parentRow = self.getColumnParentRow(_col.id());
  525. if (_parentRow) {
  526. var _parentColumn = self.getRowParentColumn(_parentRow.id());
  527. var _nextParentRow = null;
  528. for (var i = 0; i < _parentColumn.rows().length; i++) {
  529. if (_parentColumn.rows()[i].id() == _parentRow.id()) {
  530. if (!isPredecessor && _parentColumn.rows().length >= i + 1) {
  531. _nextParentRow = _parentColumn.rows()[i + 1];
  532. }
  533. break;
  534. }
  535. _nextParentRow = _parentColumn.rows()[i];
  536. }
  537. if (_nextParentRow != null) {
  538. return _nextParentRow.widgets()[0];
  539. }
  540. }
  541. }
  542. return null;
  543. }
  544. self.getWidgetPredecessor = function (widget_id) {
  545. return self.getWidgetRelative(widget_id, true);
  546. }
  547. self.getWidgetSuccessor = function (widget_id) {
  548. return self.getWidgetRelative(widget_id, false);
  549. }
  550. self.isRowAfterFork = function (row) {
  551. var _parentColumn = self.getRowParentColumn(row.id());
  552. var _prevRow = null;
  553. for (var i = 0; i < _parentColumn.rows().length; i++) {
  554. var _currentRow = _parentColumn.rows()[i];
  555. if (_currentRow.id() == row.id()){
  556. break;
  557. }
  558. _prevRow = _currentRow;
  559. }
  560. if (_prevRow != null){
  561. return _prevRow.widgets().length > 0 && _prevRow.widgets()[0].widgetType() == "fork-widget";
  562. }
  563. return false;
  564. }
  565. self.isRowBeforeJoin = function (row) {
  566. return row.widgets().length > 0 && row.widgets()[0].widgetType() == "join-widget";
  567. }
  568. self.getNextRow = function (row) {
  569. var _parentColumn = self.getRowParentColumn(row.id());
  570. var _nextParentRow = null;
  571. for (var i = 0; i < _parentColumn.rows().length; i++) {
  572. if (_parentColumn.rows()[i].id() == row.id()) {
  573. if (_parentColumn.rows().length >= i + 1) {
  574. _nextParentRow = _parentColumn.rows()[i + 1];
  575. }
  576. break;
  577. }
  578. _nextParentRow = _parentColumn.rows()[i];
  579. }
  580. return _nextParentRow;
  581. }
  582. self.getWidgetParentRow = function (widget_id) {
  583. var _row = null;
  584. for (var i = 0; i < self.columns().length; i++) {
  585. _row = self.traverseColumnForWidget(widget_id, self.columns()[i]);
  586. if (_row != null) {
  587. break;
  588. }
  589. }
  590. return _row;
  591. }
  592. self.getRowParentColumn = function (row_id) {
  593. var _column = null;
  594. for (var i = 0; i < self.columns().length; i++) {
  595. _column = self.traverseColumnForColumn(row_id, self.columns()[i]);
  596. }
  597. return _column;
  598. }
  599. self.getColumnParentRow = function (col_id) {
  600. var _row = null;
  601. for (var i = 0; i < self.columns().length; i++) {
  602. _row = self.traverseColumnForRow(col_id, self.columns()[i]);
  603. if (_row != null) {
  604. break;
  605. }
  606. }
  607. return _row;
  608. }
  609. self.getRowParentRow = function (row_id) {
  610. var _col = self.getRowParentColumn(row_id);
  611. if (_col != null) {
  612. return self.getColumnParentRow(_col.id());
  613. }
  614. }
  615. self.traverseColumnForColumn = function (row_id, col) {
  616. var _column = null;
  617. if (col) {
  618. for (var j = 0; j < col.rows().length; j++) {
  619. var row = col.rows()[j];
  620. if (row.id() == row_id) {
  621. _column = col;
  622. break;
  623. }
  624. for (var z = 0; z < row.columns().length; z++) {
  625. _column = self.traverseColumnForColumn(row_id, row.columns()[z]);
  626. if (_column != null) {
  627. break;
  628. }
  629. }
  630. }
  631. }
  632. return _column;
  633. }
  634. self.traverseColumnForRow = function (col_id, col) {
  635. var _row = null;
  636. if (col) {
  637. for (var j = 0; j < col.rows().length; j++) {
  638. var row = col.rows()[j];
  639. for (var z = 0; z < row.columns().length; z++) {
  640. var _col = row.columns()[z];
  641. if (_col.id() == col_id) {
  642. _row = row;
  643. }
  644. else {
  645. _row = self.traverseColumnForRow(col_id, _col);
  646. }
  647. if (_row != null) {
  648. break;
  649. }
  650. }
  651. }
  652. }
  653. return _row;
  654. }
  655. self.traverseColumnForWidget = function (widget_id, col) {
  656. var _row = null;
  657. if (col) {
  658. for (var j = 0; j < col.rows().length; j++) {
  659. var row = col.rows()[j];
  660. for (var z = 0; z < row.widgets().length; z++) {
  661. var widget = row.widgets()[z];
  662. if (widget.id() == widget_id) {
  663. _row = row;
  664. break;
  665. }
  666. }
  667. if (_row != null) {
  668. break;
  669. }
  670. for (var z = 0; z < row.columns().length; z++) {
  671. _row = self.traverseColumnForWidget(widget_id, row.columns()[z]);
  672. if (_row != null) {
  673. break;
  674. }
  675. }
  676. }
  677. }
  678. return _row;
  679. }
  680. self.save = function () {
  681. $.post("/oozie/editor/workflow/save/", {
  682. "layout": ko.mapping.toJSON(self.columns),
  683. "workflow": ko.mapping.toJSON(self.workflow)
  684. }, function (data) {
  685. if (data.status == 0) {
  686. self.workflow.id(data.id);
  687. $(document).trigger("info", data.message);
  688. if (window.location.search.indexOf("workflow") == -1) {
  689. window.location.hash = '#workflow=' + data.id;
  690. }
  691. }
  692. else {
  693. $(document).trigger("error", data.message);
  694. }
  695. }).fail(function (xhr, textStatus, errorThrown) {
  696. $(document).trigger("error", xhr.responseText);
  697. });
  698. };
  699. self.gen_xml = function () {
  700. $.post("/oozie/editor/workflow/gen_xml/", {
  701. "layout": ko.mapping.toJSON(self.columns),
  702. "workflow": ko.mapping.toJSON(self.workflow)
  703. }, function (data) {
  704. if (data.status == 0) {
  705. console.log(data.xml);
  706. }
  707. else {
  708. $(document).trigger("error", data.message);
  709. }
  710. }).fail(function (xhr, textStatus, errorThrown) {
  711. $(document).trigger("error", xhr.responseText);
  712. });
  713. };
  714. self.showSubmitPopup = function () {
  715. // If self.workflow.id() == null, need to save wf for now
  716. $.get("/oozie/editor/workflow/submit/" + self.workflow.id(), {
  717. }, function (data) {
  718. $(document).trigger("showSubmitPopup", data);
  719. }).fail(function (xhr, textStatus, errorThrown) {
  720. $(document).trigger("error", xhr.responseText);
  721. });
  722. };
  723. function bareWidgetBuilder(name, type){
  724. return new Widget({
  725. size: 12,
  726. id: UUID(),
  727. name: name,
  728. widgetType: type
  729. });
  730. }
  731. self.draggableHiveAction = ko.observable(bareWidgetBuilder("Hive Script", "hive-widget"));
  732. self.draggablePigAction = ko.observable(bareWidgetBuilder("Pig Script", "pig-widget"));
  733. self.draggableJavaAction = ko.observable(bareWidgetBuilder("Java program", "java-widget"));
  734. self.draggableMapReduceAction = ko.observable(bareWidgetBuilder("MapReduce job", "mapreduce-widget"));
  735. self.draggableSubworkflowAction = ko.observable(bareWidgetBuilder("Sub workflow", "subworkflow-widget"));
  736. self.draggableStopNode = ko.observable(bareWidgetBuilder("Kill", "kill-widget"));
  737. };