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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.
- 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
- }));
- });
- _rows.push(row);
- });
- var column = new Column(json_col.size, _rows);
- _columns = _columns.concat(column);
- });
- viewModel.columns(_columns);
- }
- // End dashboard lib
- var Query = function (vm, query) {
- var self = this;
- self.qs = ko.mapping.fromJS([{'q': ''}]);
- self.fqs = ko.mapping.fromJS([]);
-
- self.toggleFacet = function (data) {
- var fq = self.getFacetFilter(data.widget.id());
- if (fq == null) {
- self.fqs.push(ko.mapping.fromJS({
- 'id': data.widget.id(),
- 'field': data.widget.field(),
- 'filter': [data.facet[0]],
- 'type': 'field'
- }));
- } else {
- $.each(self.fqs(), function (index, fq) {
- if (fq.id() == data.widget.id()) {
- if (fq.filter.indexOf(data.facet[0]) > -1) {
- fq.filter.remove(data.facet[0]);
- if (fq.filter().length == 0) {
- self.fqs.remove(fq);
- }
- } else {
- fq.filter.push(data.facet[0]);
- }
- }
- });
- }
- vm.search();
- }
-
- self.getFacetFilter = function (facet_id) {
- var _facet = null;
- $.each(self.fqs(), function (index, facet) {
- if (facet.id() == facet_id) {
- _facet = facet;
- return false;
- }
- });
- return _facet;
- }
- }
- var Dashboard = function (vm, dashboard) {
- var self = this;
-
- self.facets = ko.observable(dashboard.facets);
-
- self.addFacet = function(data) {
-
- }
-
- self.getFacetById = function (facet_id) {
- var _facet = null;
- $.each(self.facets(), function (index, facet) {
- if (facet.id == facet_id) {
- _facet = facet;
- return false;
- }
- });
- return _facet;
- }
- }
- var TestViewModel = function (query_json, dashboard_json) {
- var self = this;
- self.isEditing = ko.observable(false);
- self.toggleEditing = function () {
- self.isEditing(! self.isEditing());
- };
- self.previewColumns = ko.observable("");
- self.columns = ko.observable([]);
- loadLayout(self, dashboard_json.layout);
- self.query = new Query(self, query_json);
- self.dashboard = new Dashboard(self, dashboard_json);
- self.results = ko.observableArray([]);
- self.results_facet = ko.observableArray([]);
- self.search = function (callback) {
- self.results.removeAll();
-
- var multiQs = $.map(self.dashboard.facets(), function(facet) {
- return $.post("/impala/query", {
- "query": ko.mapping.toJSON(self.query),
- "dashboard": ko.mapping.toJSON(self.dashboard),
- "layout": ko.mapping.toJSON(self.columns),
- "facet": ko.mapping.toJSON(facet),
- }, function (data) {return data});
- });
-
- $.when.apply($, [
- $.post("/impala/query", {
- "query": ko.mapping.toJSON(self.query),
- "dashboard": ko.mapping.toJSON(self.dashboard),
- "layout": ko.mapping.toJSON(self.columns),
- }, function (data) {
- if (data.status == 0) {
- $.each(data.data, function (index, row) {
- self.results.push(row);
- });
- } else {
- $(document).trigger("error", data.message);
- }
- })
- ].concat(multiQs)
- )
- .done(function() {
- if (arguments.length > 1) { // If multi queries
- for (var i = 1; i < arguments.length; i++) {
- var facet = arguments[i][0];
- removeFrom(self.results_facet, facet.id);
- self.results_facet.push(ko.mapping.fromJS(facet));
- }
- }
- })
- .fail(function (xhr, textStatus, errorThrown) {
- $(document).trigger("error", data.message);
- });
- };
- function removeFrom(collection, item_id) {
- $.each(collection(), function (index, item) {
- if (item.id() == item_id) {
- collection.remove(item);
- return false;
- }
- });
- }
-
- self.getFacetFromResult = function (facet_id) {
- var _facet = null;
- $.each(self.results_facet(), function (index, facet) {
- if (facet.id() == facet_id) {
- _facet = facet;
- return false;
- }
- });
- return _facet;
- }
-
- function bareWidgetBuilder(name, type){
- return new Widget({
- size: 12,
- id: UUID(),
- name: name,
- widgetType: type
- });
- }
- self.draggableResultset = ko.observable(bareWidgetBuilder("Grid Results", "resultset-widget"));
- self.draggablePie = ko.observable(bareWidgetBuilder("Pie Chart", "pie-widget"));
- };
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