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- // Licensed to Cloudera, Inc. under one
- // or more contributor license agreements. See the NOTICE file
- // distributed with this work for additional information
- // regarding copyright ownership. Cloudera, Inc. licenses this file
- // to you under the Apache License, Version 2.0 (the
- // "License"); you may not use this file except in compliance
- // with the License. You may obtain a copy of the License at
- //
- // http://www.apache.org/licenses/LICENSE-2.0
- //
- // Unless required by applicable law or agreed to in writing, software
- // distributed under the License is distributed on an "AS IS" BASIS,
- // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- // See the License for the specific language governing permissions and
- // limitations under the License.
- ko.bindingHandlers.droppable = {
- init: function(element, valueAccessor) {
- var _dropElement = $(element);
- var _options = valueAccessor();
- if (_options.enabled){
- var _dropOptions = {
- hoverClass: 'drop-target-highlight',
- drop: _options.onDrop
- };
- _dropElement.droppable(_dropOptions);
- }
- }
- };
- function magicLayout(vm) {
- loadLayout(vm, vm.initial.layout);
- $(document).trigger("magicLayout");
- }
- function loadLayout(viewModel, json_layout) {
- var _columns = [];
- $(json_layout).each(function (cnt, json_col) {
- var _rows = [];
- $(json_col.rows).each(function (rcnt, json_row) {
- var row = new Row([], viewModel);
- $(json_row.widgets).each(function (wcnt, widget) {
- row.addWidget(new Widget({
- size:widget.size,
- id: widget.id,
- name: widget.name,
- widgetType: widget.widgetType,
- properties: widget.properties,
- offset: widget.offset,
- loading: true,
- vm: viewModel
- }));
- });
- $(json_row.columns).each(function (ccnt, column) {
- var _irows = [];
- $(column.rows).each(function (ircnt, json_irow) {
- var _irow = new Row([], viewModel);
- $(json_irow.widgets).each(function (iwcnt, iwidget) {
- _irow.addWidget(new Widget({
- size:iwidget.size,
- id: iwidget.id,
- name: iwidget.name,
- widgetType: iwidget.widgetType,
- properties: iwidget.properties,
- offset: iwidget.offset,
- loading: true,
- vm: viewModel
- }));
- });
- _irows.push(_irow);
- });
- row.addColumn(new Column(column.size, _irows));
- });
- _rows.push(row);
- });
- var column = new Column(json_col.size, _rows);
- _columns = _columns.concat(column);
- });
- viewModel.columns(_columns);
- }
- // End dashboard lib
- var Node = function (node) {
- var self = this;
- var type = typeof node.widgetType != "undefined" ? node.widgetType : node.type;
- self.id = ko.observable(typeof node.id != "undefined" && node.id != null ? node.id : UUID());
- self.name = ko.observable(typeof node.name != "undefined" && node.name != null ? node.name : "");
- self.type = ko.observable(typeof type != "undefined" && type != null ? type : "");
- self.properties = ko.mapping.fromJS(typeof node.properties != "undefined" && node.properties != null ? node.properties : {});
- self.children = ko.mapping.fromJS(typeof node.children != "undefined" && node.children != null ? node.children : []);
- }
- var Workflow = function (vm, workflow) {
- var self = this;
- self.id = ko.observable(typeof workflow.id != "undefined" && workflow.id != null ? workflow.id : null);
- self.uuid = ko.observable(typeof workflow.uuid != "undefined" && workflow.uuid != null ? workflow.uuid : UUID());
- self.name = ko.observable(typeof workflow.name != "undefined" && workflow.name != null ? workflow.name : "");
- self.properties = ko.mapping.fromJS(typeof workflow.properties != "undefined" && workflow.properties != null ? workflow.properties : {});
- self.nodes = ko.observableArray([]);
-
- self.loadNodes = function(workflow) {
- var nodes = []
- $.each(workflow.nodes, function(index, node) {
- var _node = new Node(node);
- nodes.push(_node);
- });
- self.nodes(nodes)
- }
-
- self.newNode = function(widget) {
- $.ajax({
- type: "POST",
- url: "/oozie/editor/workflow/new_node/",
- data: {
- "workflow": ko.mapping.toJSON(workflow),
- "node": ko.mapping.toJSON(widget)
- },
- success: function (data) {
- if (data.status == 0) {
- viewModel.addActionProperties(data.properties);
- viewModel.addActionWorkflows(data.workflows);
- }
- },
- async: false
- });
- };
-
- self.addNode = function(widget) {
- // Todo get parent cell, link nodes... when we have the new layout
- $.post("/oozie/editor/workflow/add_node/", {
- "workflow": ko.mapping.toJSON(workflow),
- "node": ko.mapping.toJSON(widget),
- "properties": ko.mapping.toJSON(viewModel.addActionProperties()),
- "subworkflow": viewModel.selectedSubWorkflow() ? ko.mapping.toJSON(viewModel.selectedSubWorkflow()) : '{}',
- }, function (data) {
- if (data.status == 0) {
- var _node = ko.mapping.toJS(widget);
- _node.properties = data.properties;
- _node.name = data.name;
- var node = new Node(_node);
- node.children().push({'to': '33430f0f-ebfa-c3ec-f237-3e77efa03d0a'}) // Link to child
- // Add to list of nodes
- var end = self.nodes.pop();
- self.nodes.push(node);
- self.nodes.push(end);
- self.nodes()[0].children.removeAll(); // Parent link to new node
- self.nodes()[0].children().push({'to': node.id()});
- } else {
- $(document).trigger("error", data.message);
- }
- }).fail(function (xhr, textStatus, errorThrown) {
- $(document).trigger("error", xhr.responseText);
- });
- };
-
- self.getNodeById = function (node_id) {
- var _node = null;
- $.each(self.nodes(), function (index, node) {
- if (node.id() == node_id) {
- _node = node;
- return false;
- }
- });
- return _node;
- }
- }
- var WorkflowEditorViewModel = function (layout_json, workflow_json, credentials_json) {
- var self = this;
- self.isNested = ko.observable(true);
- self.isEditing = ko.observable(true);
- self.toggleEditing = function () {
- self.isEditing(! self.isEditing());
- };
- self.columns = ko.observable([]);
- self.previewColumns = ko.observable("");
- self.workflow = new Workflow(self, workflow_json);
- self.credentials = ko.mapping.fromJSON(credentials_json);
- self.inited = ko.observable(self.columns().length > 0);
- self.init = function(callback) {
- loadLayout(self, layout_json);
- self.workflow.loadNodes(workflow_json);
- }
- self.depen = ko.observableArray(workflow_json.dependencies);
-
- self.addActionProperties = ko.observableArray([]);
- self.addActionWorkflows = ko.observableArray([]);
- self.selectedSubWorkflow = ko.observable();
- self.currentlyDraggedWidget = null;
- self.isDragging = ko.observable(false);
- self.setCurrentDraggedWidget = function (widget) {
- self.currentlyDraggedWidget = widget;
- }
- self.addDraggedWidget = function (row, atBeginning) {
- if (self.currentlyDraggedWidget != null) {
- var _w = new Widget({
- size: self.currentlyDraggedWidget.size(),
- id: UUID(),
- name: self.currentlyDraggedWidget.name(),
- widgetType: self.currentlyDraggedWidget.widgetType(),
- properties: self.currentlyDraggedWidget.properties(),
- offset: self.currentlyDraggedWidget.offset(),
- loading: true,
- vm: self
- });
- var _col = row.addEmptyColumn(atBeginning);
- var _row = new Row([_w], self);
- _col.addRow(_row);
- self.currentlyDraggedWidget = null;
- return _w;
- }
- }
- self.getWidgetById = function (widget_id) {
- var _widget = null;
- $.each(self.columns(), function (i, col) {
- $.each(col.rows(), function (j, row) {
- $.each(row.widgets(), function (z, widget) {
- if (widget.id() == widget_id){
- _widget = widget;
- return false;
- }
- });
- });
- });
- return _widget;
- }
- self.removeWidget = function (widget_json) {
- self.removeWidgetById(widget_json.id());
- }
- self.removeWidgetById = function (widget_id) {
- $.each(self.columns(), function (i, col) {
- self.deeplyRemoveWidgetById(widget_id, col, self)
- });
- }
- self.deeplyRemoveWidgetById = function (widget_id, col, parent) {
- if (col) {
- $.each(col.rows(), function (j, row) {
- $.each(row.widgets(), function (z, widget) {
- if (widget.id() == widget_id) {
- row.widgets.remove(widget);
- col.rows.remove(row);
- }
- });
- $.each(row.columns(), function (i, icol) {
- self.deeplyRemoveWidgetById(widget_id, icol, row);
- });
- });
- if (col.rows().length == 0) {
- parent.columns.remove(col);
- var _size = Math.max(1, Math.floor(12 / (parent.columns().length)));
- parent.columns().forEach(function (icol) {
- icol.size(_size);
- });
- }
- }
- }
- self.getWidgetParentRow = function (widget_id) {
- var _row = null;
- for (var i = 0; i < self.columns().length; i++) {
- _row = self.traverseColumnForWidget(widget_id, self.columns()[i]);
- if (_row != null) {
- break;
- }
- }
- return _row;
- }
- self.getRowParentColumn = function (row_id) {
- var _column = null;
- for (var i = 0; i < self.columns().length; i++) {
- _column = self.traverseColumnForColumn(row_id, self.columns()[i]);
- }
- return _column;
- }
- self.getColumnParentRow = function (col_id) {
- var _row = null;
- for (var i = 0; i < self.columns().length; i++) {
- _row = self.traverseColumnForRow(col_id, self.columns()[i]);
- if (_row != null) {
- break;
- }
- }
- return _row;
- }
- self.getRowParentRow = function (row_id) {
- var _col = self.getRowParentColumn(row_id);
- if (_col != null) {
- return self.getColumnParentRow(_col.id());
- }
- }
- self.traverseColumnForColumn = function (row_id, col) {
- var _column = null;
- if (col) {
- for (var j = 0; j < col.rows().length; j++) {
- var row = col.rows()[j];
- if (row.id() == row_id) {
- _column = col;
- break;
- }
- for (var z = 0; z < row.columns().length; z++) {
- _column = self.traverseColumnForColumn(row_id, row.columns()[z]);
- if (_column != null) {
- break;
- }
- }
- }
- }
- return _column;
- }
- self.traverseColumnForRow = function (col_id, col) {
- var _row = null;
- if (col) {
- for (var j = 0; j < col.rows().length; j++) {
- var row = col.rows()[j];
- for (var z = 0; z < row.columns().length; z++) {
- var _col = row.columns()[z];
- if (_col.id() == col_id) {
- _row = row;
- }
- else {
- _row = self.traverseColumnForRow(col_id, _col);
- }
- if (_row != null) {
- break;
- }
- }
- }
- }
- return _row;
- }
- self.traverseColumnForWidget = function (widget_id, col) {
- var _row = null;
- if (col) {
- for (var j = 0; j < col.rows().length; j++) {
- var row = col.rows()[j];
- for (var z = 0; z < row.widgets().length; z++) {
- var widget = row.widgets()[z];
- if (widget.id() == widget_id) {
- _row = row;
- break;
- }
- }
- for (var z = 0; z < row.columns().length; z++) {
- _row = self.traverseColumnForWidget(widget_id, row.columns()[z]);
- if (_row != null) {
- break;
- }
- }
- }
- }
- return _row;
- }
- self.save = function () {
- $.post("/oozie/editor/workflow/save/", {
- "layout": ko.mapping.toJSON(self.columns),
- "workflow": ko.mapping.toJSON(self.workflow)
- }, function (data) {
- if (data.status == 0) {
- self.workflow.id(data.id);
- $(document).trigger("info", data.message);
- if (window.location.search.indexOf("workflow") == -1) {
- window.location.hash = '#workflow=' + data.id;
- }
- }
- else {
- $(document).trigger("error", data.message);
- }
- }).fail(function (xhr, textStatus, errorThrown) {
- $(document).trigger("error", xhr.responseText);
- });
- };
- self.gen_xml = function () {
- $.post("/oozie/editor/workflow/gen_xml/", {
- "layout": ko.mapping.toJSON(self.columns),
- "workflow": ko.mapping.toJSON(self.workflow)
- }, function (data) {
- if (data.status == 0) {
- alert(data.xml);
- }
- else {
- $(document).trigger("error", data.message);
- }
- }).fail(function (xhr, textStatus, errorThrown) {
- $(document).trigger("error", xhr.responseText);
- });
- };
- self.showSubmitPopup = function () {
- // If self.workflow.id() == null, need to save wf for now
- $.get("/oozie/editor/workflow/submit/" + self.workflow.id(), {
- }, function (data) {
- $(document).trigger("showSubmitPopup", data);
- }).fail(function (xhr, textStatus, errorThrown) {
- $(document).trigger("error", xhr.responseText);
- });
- };
- function bareWidgetBuilder(name, type){
- return new Widget({
- size: 12,
- id: UUID(),
- name: name,
- widgetType: type
- });
- }
- self.draggableHiveAction = ko.observable(bareWidgetBuilder("Hive Script", "hive-widget"));
- self.draggablePigAction = ko.observable(bareWidgetBuilder("Pig Script", "pig-widget"));
- self.draggableJavaAction = ko.observable(bareWidgetBuilder("Java program", "java-widget"));
- self.draggableMapReduceAction = ko.observable(bareWidgetBuilder("MapReduce job", "mapreduce-widget"));
- self.draggableSubworkflowAction = ko.observable(bareWidgetBuilder("Sub workflow", "subworkflow-widget"));
- self.draggableForkNode = ko.observable(bareWidgetBuilder("Fork", "fork-widget"));
- self.draggableDecisionNode = ko.observable(bareWidgetBuilder("Decision", "decision-widget"));
- self.draggableStopNode = ko.observable(bareWidgetBuilder("Kill", "kill-widget"));
- };
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