workflow-editor.ko.js 30 KB

123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185186187188189190191192193194195196197198199200201202203204205206207208209210211212213214215216217218219220221222223224225226227228229230231232233234235236237238239240241242243244245246247248249250251252253254255256257258259260261262263264265266267268269270271272273274275276277278279280281282283284285286287288289290291292293294295296297298299300301302303304305306307308309310311312313314315316317318319320321322323324325326327328329330331332333334335336337338339340341342343344345346347348349350351352353354355356357358359360361362363364365366367368369370371372373374375376377378379380381382383384385386387388389390391392393394395396397398399400401402403404405406407408409410411412413414415416417418419420421422423424425426427428429430431432433434435436437438439440441442443444445446447448449450451452453454455456457458459460461462463464465466467468469470471472473474475476477478479480481482483484485486487488489490491492493494495496497498499500501502503504505506507508509510511512513514515516517518519520521522523524525526527528529530531532533534535536537538539540541542543544545546547548549550551552553554555556557558559560561562563564565566567568569570571572573574575576577578579580581582583584585586587588589590591592593594595596597598599600601602603604605606607608609610611612613614615616617618619620621622623624625626627628629630631632633634635636637638639640641642643644645646647648649650651652653654655656657658659660661662663664665666667668669670671672673674675676677678679680681682683684685686687688689690691692693694695696697698699700701702703704705706707708709710711712713714715716717718719720721722723724725726727728729730731732733734735736737738739740741742743744745746747748749750751752753754755756757758759760761762763764765766767768769770771772773774775776777778779780781782783784785786787788789790791792793794795796797798799800801802803804805806807808809810811812813814815816817818819820821822823824825826827828829830831832833834835836837838839840841842843844845846847848849850851852853854855856857858859860861862863864865866867868869870871872873874875876877878879880881882883884885886887888889890891892893894895896897898899900901902903904905906907908909910911912913914915916917918919920921922923924925926927928929930931932933934935936937938939940941942943944945946947948949950951952953954955956957958959960961962963964965966967968969970
  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. _row.enableOozieDropOnBefore(enable);
  349. var _col = self.getRowParentColumn(_row.id());
  350. if (self.getColumnParentRow(_col.id())!=null){
  351. _col.enableOozieDropOnBefore(enable);
  352. _col.enableOozieDropOnAfter(enable);
  353. }
  354. var _prevRow = self.getPrevRow(_row);
  355. if (_prevRow){
  356. if (_prevRow.widgets().length > 0 && _prevRow.widgets()[0].widgetType() == "start-widget"){
  357. _prevRow.enableOozieDropOnSide(enable);
  358. self.getRowParentColumn(_prevRow.id()).enableOozieDropOnBefore(enable);
  359. }
  360. }
  361. var _nextRow = self.getNextRow(_row);
  362. if (_nextRow){
  363. _nextRow.enableOozieDropOnBefore(enable);
  364. if (_nextRow.widgets().length > 0 && _nextRow.widgets()[0].widgetType() == "end-widget"){
  365. _nextRow.enableOozieDropOnSide(enable);
  366. self.getRowParentColumn(_nextRow.id()).enableOozieDropOnAfter(enable);
  367. }
  368. }
  369. }
  370. }
  371. }
  372. self.currentlyCreatingFork = false;
  373. self.currentlyCreatedFork = null;
  374. self.currentlyCreatedJoin = null;
  375. self.isDragging = ko.observable(false);
  376. self.addDraggedWidget = function (target, atBeginning) {
  377. if (self.currentlyDraggedWidget() != null) {
  378. var _parentCol = target instanceof Column ? target : self.getRowParentColumn(target.id());
  379. var _newRow = null;
  380. if (typeof atBeginning != "undefined") {
  381. if (_parentCol.rows().length > 0 && _parentCol.rows()[0].widgets() && _parentCol.rows()[0].widgets().length > 0 && _parentCol.rows()[0].widgets()[0].widgetType() == "start-widget") {
  382. if (atBeginning) {
  383. _newRow = _parentCol.addEmptyRow(false, 1);
  384. }
  385. else {
  386. _newRow = _parentCol.addEmptyRow(false, _parentCol.rows().length - 1);
  387. }
  388. }
  389. else {
  390. _newRow = _parentCol.addEmptyRow(atBeginning);
  391. }
  392. }
  393. else {
  394. var _rowIdx = 0;
  395. $.each(_parentCol.rows(), function (i, irow) {
  396. if (irow.id() == target.id()) {
  397. _rowIdx = i;
  398. }
  399. });
  400. _newRow = _parentCol.addEmptyRow(false, _rowIdx);
  401. }
  402. var _w = new Widget({
  403. size: self.currentlyDraggedWidget().size(),
  404. id: UUID(),
  405. name: self.currentlyDraggedWidget().name(),
  406. widgetType: self.currentlyDraggedWidget().widgetType(),
  407. properties: self.currentlyDraggedWidget().properties(),
  408. offset: self.currentlyDraggedWidget().offset(),
  409. loading: true,
  410. vm: self
  411. });
  412. if (self.currentlyDraggedWidget().id() != ""){
  413. self.removeWidgetById(self.currentlyDraggedWidget().id());
  414. _w = self.currentlyDraggedWidget();
  415. }
  416. _newRow.widgets([_w]);
  417. return _w;
  418. }
  419. }
  420. self.addSideDraggedWidget = function (row, atBeginning) {
  421. if (self.currentlyDraggedWidget() != null) {
  422. var _parentCol = self.getRowParentColumn(row.id());
  423. var _rowIdx = 0;
  424. $.each(_parentCol.rows(), function (i, irow) {
  425. if (irow.id() == row.id()) {
  426. _rowIdx = i;
  427. }
  428. });
  429. var _addForkAndJoin = (row.columns().length == 0);
  430. if (_addForkAndJoin) {
  431. var _forkRow = _parentCol.addEmptyRow(false, _rowIdx);
  432. var _id = UUID();
  433. var _fork = new Widget({
  434. size: 12,
  435. id: _id,
  436. name: 'fork' + '-' + _id.slice(0, 4),
  437. widgetType: "fork-widget",
  438. properties: {},
  439. offset: 0,
  440. loading: true,
  441. vm: self
  442. });
  443. _forkRow.widgets([_fork]);
  444. }
  445. var _w = new Widget({
  446. size: self.currentlyDraggedWidget().size(),
  447. id: UUID(),
  448. name: self.currentlyDraggedWidget().name(),
  449. widgetType: self.currentlyDraggedWidget().widgetType(),
  450. properties: self.currentlyDraggedWidget().properties(),
  451. offset: self.currentlyDraggedWidget().offset(),
  452. loading: true,
  453. vm: self
  454. });
  455. if (self.currentlyDraggedWidget().id() != ""){
  456. self.removeWidgetById(self.currentlyDraggedWidget().id());
  457. _w = self.currentlyDraggedWidget();
  458. }
  459. if (row.columns().length == 0) {
  460. var _col = row.addColumn(null, atBeginning);
  461. if (row.widgets().length > 0) {
  462. var _row = _col.addEmptyRow();
  463. row.widgets().forEach(function (widget) {
  464. _row.addWidget(widget);
  465. });
  466. if (row.widgets()[0].widgetType() == "fork-widget") {
  467. var _widgetsRow = self.getNextRow(row);
  468. var _joinRow = self.getNextRow(_widgetsRow);
  469. _col.rows.push(_widgetsRow);
  470. _col.rows.push(_joinRow);
  471. self.getRowParentColumn(row.id()).rows.remove(_widgetsRow);
  472. self.getRowParentColumn(row.id()).rows.remove(_joinRow);
  473. }
  474. row.widgets([]);
  475. }
  476. }
  477. var _col = row.addColumn(null, atBeginning);
  478. var _row = new Row([_w], self);
  479. _col.addRow(_row);
  480. if (_addForkAndJoin) {
  481. var _joinRow = _parentCol.addEmptyRow(false, _rowIdx + 2);
  482. var _id = UUID();
  483. var _join = new Widget({
  484. size: 12,
  485. id: _id,
  486. name: "join" + '-' + _id.slice(0, 4),
  487. widgetType: "join-widget",
  488. properties: {},
  489. offset: 0,
  490. loading: true,
  491. vm: self
  492. });
  493. _joinRow.widgets([_join]);
  494. self.currentlyCreatedFork = ko.mapping.toJS(_fork);
  495. self.currentlyCreatedJoin = ko.mapping.toJS(_join);
  496. }
  497. self.currentlyCreatingFork = true;
  498. return _w;
  499. }
  500. }
  501. self.getWidgetById = function (widget_id) {
  502. var _widget = null;
  503. $.each(self.columns(), function (i, col) {
  504. $.each(col.rows(), function (j, row) {
  505. $.each(row.widgets(), function (z, widget) {
  506. if (widget.id() == widget_id){
  507. _widget = widget;
  508. return false;
  509. }
  510. });
  511. });
  512. });
  513. return _widget;
  514. }
  515. self.removeWidget = function (widget_json) {
  516. self.workflow.removeNode(widget_json.id());
  517. self.removeWidgetById(widget_json.id());
  518. }
  519. self.removeWidgetById = function (widget_id) {
  520. $.each(self.columns(), function (i, col) {
  521. self.deeplyRemoveWidgetById(widget_id, col, self)
  522. });
  523. }
  524. self.deeplyRemoveWidgetById = function (widget_id, col, parent) {
  525. if (col) {
  526. $.each(col.rows(), function (j, row) {
  527. if (row && row.widgets()){
  528. $.each(row.widgets(), function (z, widget) {
  529. if (widget.id() == widget_id) {
  530. row.widgets.remove(widget);
  531. col.rows.remove(row);
  532. }
  533. });
  534. }
  535. if (row && row.columns()) {
  536. $.each(row.columns(), function (i, icol) {
  537. self.deeplyRemoveWidgetById(widget_id, icol, row);
  538. });
  539. }
  540. });
  541. if (col.rows().length == 0) {
  542. parent.columns.remove(col);
  543. if (parent.columns().length > 1) {
  544. var _size = Math.max(1, Math.floor(12 / (parent.columns().length)));
  545. parent.columns().forEach(function (icol) {
  546. icol.size(_size);
  547. });
  548. }
  549. else {
  550. var _rows = parent.columns()[0].rows();
  551. var _parentRows = self.getRowParentColumn(parent.id()).rows;
  552. var _prevRowIdx = -1;
  553. for (var i = 0; i < _parentRows().length; i++) {
  554. if (_parentRows()[i].id() == parent.id()) {
  555. break;
  556. }
  557. _prevRowIdx = i;
  558. }
  559. if (_prevRowIdx > -1 && _parentRows()[_prevRowIdx].widgets().length > 0 && _parentRows()[_prevRowIdx].widgets()[0].widgetType() == "fork-widget"){
  560. _parentRows.remove(_parentRows()[_prevRowIdx]);
  561. _parentRows.remove(_parentRows()[_prevRowIdx+1]);
  562. }
  563. for (var i=0;i<_rows.length;i++){
  564. if (i==0){
  565. parent.widgets(_rows[i].widgets());
  566. }
  567. else {
  568. _parentRows.push(_rows[i]);
  569. }
  570. }
  571. parent.columns([]);
  572. }
  573. }
  574. }
  575. }
  576. self.getWidgetRelative = function (widget_id, isPredecessor) {
  577. var _row = self.getWidgetParentRow(widget_id);
  578. var _col = self.getRowParentColumn(_row.id());
  579. var _nextRow = null;
  580. for (var i = 0; i < _col.rows().length; i++) {
  581. if (_col.rows()[i].id() == _row.id()) {
  582. if (!isPredecessor && _col.rows().length >= i + 1) {
  583. _nextRow = _col.rows()[i + 1];
  584. }
  585. break;
  586. }
  587. _nextRow = _col.rows()[i];
  588. }
  589. if (_nextRow != null) {
  590. return _nextRow.widgets()[0];
  591. }
  592. else {
  593. var _parentRow = self.getColumnParentRow(_col.id());
  594. if (_parentRow) {
  595. var _parentColumn = self.getRowParentColumn(_parentRow.id());
  596. var _nextParentRow = null;
  597. for (var i = 0; i < _parentColumn.rows().length; i++) {
  598. if (_parentColumn.rows()[i].id() == _parentRow.id()) {
  599. if (!isPredecessor && _parentColumn.rows().length >= i + 1) {
  600. _nextParentRow = _parentColumn.rows()[i + 1];
  601. }
  602. break;
  603. }
  604. _nextParentRow = _parentColumn.rows()[i];
  605. }
  606. if (_nextParentRow != null) {
  607. return _nextParentRow.widgets()[0];
  608. }
  609. }
  610. }
  611. return null;
  612. }
  613. self.getWidgetPredecessor = function (widget_id) {
  614. return self.getWidgetRelative(widget_id, true);
  615. }
  616. self.getWidgetSuccessor = function (widget_id) {
  617. return self.getWidgetRelative(widget_id, false);
  618. }
  619. self.isRowAfterFork = function (row) {
  620. var _parentColumn = self.getRowParentColumn(row.id());
  621. var _prevRow = null;
  622. for (var i = 0; i < _parentColumn.rows().length; i++) {
  623. var _currentRow = _parentColumn.rows()[i];
  624. if (_currentRow.id() == row.id()){
  625. break;
  626. }
  627. _prevRow = _currentRow;
  628. }
  629. if (_prevRow != null){
  630. return _prevRow.widgets().length > 0 && _prevRow.widgets()[0].widgetType() == "fork-widget";
  631. }
  632. return false;
  633. }
  634. self.isRowBeforeJoin = function (row) {
  635. return row.widgets().length > 0 && row.widgets()[0].widgetType() == "join-widget";
  636. }
  637. self.getNextRow = function (row) {
  638. var _parentColumn = self.getRowParentColumn(row.id());
  639. var _nextParentRow = null;
  640. for (var i = 0; i < _parentColumn.rows().length; i++) {
  641. if (_parentColumn.rows()[i].id() == row.id()) {
  642. if (_parentColumn.rows().length >= i + 1) {
  643. _nextParentRow = _parentColumn.rows()[i + 1];
  644. }
  645. break;
  646. }
  647. _nextParentRow = _parentColumn.rows()[i];
  648. }
  649. return _nextParentRow;
  650. }
  651. self.getPrevRow = function (row) {
  652. var _parentColumn = self.getRowParentColumn(row.id());
  653. var _prevParentRow = null;
  654. for (var i = 0; i < _parentColumn.rows().length; i++) {
  655. if (_parentColumn.rows()[i].id() == row.id()) {
  656. if (i > 0) {
  657. _prevParentRow = _parentColumn.rows()[i - 1];
  658. }
  659. break;
  660. }
  661. _prevParentRow = _parentColumn.rows()[i];
  662. }
  663. return _prevParentRow;
  664. }
  665. self.getWidgetParentRow = function (widget_id) {
  666. var _row = null;
  667. for (var i = 0; i < self.columns().length; i++) {
  668. _row = self.traverseColumnForWidget(widget_id, self.columns()[i]);
  669. if (_row != null) {
  670. break;
  671. }
  672. }
  673. return _row;
  674. }
  675. self.getRowParentColumn = function (row_id) {
  676. var _column = null;
  677. for (var i = 0; i < self.columns().length; i++) {
  678. _column = self.traverseColumnForColumn(row_id, self.columns()[i]);
  679. }
  680. return _column;
  681. }
  682. self.getColumnParentRow = function (col_id) {
  683. var _row = null;
  684. for (var i = 0; i < self.columns().length; i++) {
  685. _row = self.traverseColumnForRow(col_id, self.columns()[i]);
  686. if (_row != null) {
  687. break;
  688. }
  689. }
  690. return _row;
  691. }
  692. self.getRowParentRow = function (row_id) {
  693. var _col = self.getRowParentColumn(row_id);
  694. if (_col != null) {
  695. return self.getColumnParentRow(_col.id());
  696. }
  697. }
  698. self.traverseColumnForColumn = function (row_id, col) {
  699. var _column = null;
  700. if (col) {
  701. for (var j = 0; j < col.rows().length; j++) {
  702. var row = col.rows()[j];
  703. if (row.id() == row_id) {
  704. _column = col;
  705. break;
  706. }
  707. for (var z = 0; z < row.columns().length; z++) {
  708. _column = self.traverseColumnForColumn(row_id, row.columns()[z]);
  709. if (_column != null) {
  710. break;
  711. }
  712. }
  713. }
  714. }
  715. return _column;
  716. }
  717. self.traverseColumnForRow = function (col_id, col) {
  718. var _row = null;
  719. if (col) {
  720. for (var j = 0; j < col.rows().length; j++) {
  721. var row = col.rows()[j];
  722. for (var z = 0; z < row.columns().length; z++) {
  723. var _col = row.columns()[z];
  724. if (_col.id() == col_id) {
  725. _row = row;
  726. }
  727. else {
  728. _row = self.traverseColumnForRow(col_id, _col);
  729. }
  730. if (_row != null) {
  731. break;
  732. }
  733. }
  734. }
  735. }
  736. return _row;
  737. }
  738. self.traverseColumnForWidget = function (widget_id, col) {
  739. var _row = null;
  740. if (col) {
  741. for (var j = 0; j < col.rows().length; j++) {
  742. var row = col.rows()[j];
  743. for (var z = 0; z < row.widgets().length; z++) {
  744. var widget = row.widgets()[z];
  745. if (widget.id() == widget_id) {
  746. _row = row;
  747. break;
  748. }
  749. }
  750. if (_row != null) {
  751. break;
  752. }
  753. for (var z = 0; z < row.columns().length; z++) {
  754. _row = self.traverseColumnForWidget(widget_id, row.columns()[z]);
  755. if (_row != null) {
  756. break;
  757. }
  758. }
  759. }
  760. }
  761. return _row;
  762. }
  763. self.convertToDecision = function (widget, node) {
  764. if (widget.widgetType() == "fork-widget"){
  765. widget.widgetType("decision-widget");
  766. node.type("decision-widget");
  767. var _newName = "decision-" + node.id().slice(0, 4);
  768. node.name(_newName);
  769. widget.name(_newName);
  770. $(document).trigger("drawArrows");
  771. }
  772. }
  773. self.convertToFork = function (widget, node) {
  774. if (widget.widgetType() == "decision-widget"){
  775. widget.widgetType("fork-widget");
  776. node.type("fork-widget");
  777. var _newName = "fork-" + node.id().slice(0, 4);
  778. node.name(_newName);
  779. widget.name(_newName);
  780. $(document).trigger("drawArrows");
  781. }
  782. }
  783. self.save = function () {
  784. $.post("/oozie/editor/workflow/save/", {
  785. "layout": ko.mapping.toJSON(self.columns),
  786. "workflow": ko.mapping.toJSON(self.workflow)
  787. }, function (data) {
  788. if (data.status == 0) {
  789. self.workflow.id(data.id);
  790. $(document).trigger("info", data.message);
  791. if (window.location.search.indexOf("workflow") == -1) {
  792. window.location.hash = '#workflow=' + data.id;
  793. }
  794. }
  795. else {
  796. $(document).trigger("error", data.message);
  797. }
  798. }).fail(function (xhr, textStatus, errorThrown) {
  799. $(document).trigger("error", xhr.responseText);
  800. });
  801. };
  802. self.gen_xml = function () {
  803. $.post("/oozie/editor/workflow/gen_xml/", {
  804. "layout": ko.mapping.toJSON(self.columns),
  805. "workflow": ko.mapping.toJSON(self.workflow)
  806. }, function (data) {
  807. if (data.status == 0) {
  808. console.log(data.xml);
  809. }
  810. else {
  811. $(document).trigger("error", data.message);
  812. }
  813. }).fail(function (xhr, textStatus, errorThrown) {
  814. $(document).trigger("error", xhr.responseText);
  815. });
  816. };
  817. self.showSubmitPopup = function () {
  818. // If self.workflow.id() == null, need to save wf for now
  819. $.get("/oozie/editor/workflow/submit/" + self.workflow.id(), {
  820. }, function (data) {
  821. $(document).trigger("showSubmitPopup", data);
  822. }).fail(function (xhr, textStatus, errorThrown) {
  823. $(document).trigger("error", xhr.responseText);
  824. });
  825. };
  826. function bareWidgetBuilder(name, type){
  827. return new Widget({
  828. size: 12,
  829. id: "",
  830. name: name,
  831. widgetType: type
  832. });
  833. }
  834. self.draggableHiveAction = ko.observable(bareWidgetBuilder("Hive Script", "hive-widget"));
  835. self.draggablePigAction = ko.observable(bareWidgetBuilder("Pig Script", "pig-widget"));
  836. self.draggableJavaAction = ko.observable(bareWidgetBuilder("Java program", "java-widget"));
  837. self.draggableMapReduceAction = ko.observable(bareWidgetBuilder("MapReduce job", "mapreduce-widget"));
  838. self.draggableSubworkflowAction = ko.observable(bareWidgetBuilder("Sub workflow", "subworkflow-widget"));
  839. self.draggableSqoopAction = ko.observable(bareWidgetBuilder("Sqoop 1", "sqoop-widget"));
  840. self.draggableShellAction = ko.observable(bareWidgetBuilder("Shell", "shell-widget"));
  841. self.draggableSshAction = ko.observable(bareWidgetBuilder("Ssh", "ssh-widget"));
  842. self.draggableFsAction = ko.observable(bareWidgetBuilder("HDFS Fs", "fs-widget"));
  843. self.draggableEmailAction = ko.observable(bareWidgetBuilder("Email", "email-widget"));
  844. self.draggableStreamingAction = ko.observable(bareWidgetBuilder("Streaming", "streaming-widget"));
  845. self.draggableDistCpAction = ko.observable(bareWidgetBuilder("Distcp", "distcp-widget"));
  846. self.draggableKillNode = ko.observable(bareWidgetBuilder("Kill", "kill-widget"));
  847. };