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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.
- // Start Models
- var Collection = function(name) {
- var self = this;
- self.name = ko.observable(name).extend({'errors': null});
- self.fields = ko.observableArray();
- // Metadata
- self.uniqueKeyField = ko.observable().extend({'errors': null});
- self.hasHueCollection = ko.observable(true).extend({'errors': null});
- self.hasSolrCollection = ko.observable(true).extend({'errors': null});
- self.removeField = function(field) {
- if (field.name() != self.uniqueKeyField()) {
- self.fields.remove(field);
- }
- };
- self.addField = function(name, type) {
- self.fields.push(new Field(self, name, type));
- };
- self.newField = function() {
- self.addField('', 'text_general');
- };
- self.setData = function(data_json) {
- self.data(data_json);
- };
- };
- var Field = function(collection, name, type, required, indexed, stored) {
- var self = this;
- if (indexed == undefined) {
- indexed = type.indexOf('text_') == -1;
- }
- required = (required == undefined) ? true : !!required;
- self.name = ko.observable(name).extend({'errors': null});
- self.type = ko.observable(type).extend({'errors': null});
- self.required = ko.observable(required).extend({'errors': null});
- self.indexed = ko.observable(indexed).extend({'errors': null});
- self.stored = ko.observable(stored).extend({'errors': null});
- // Metadata
- self.saved = ko.observable(false);
- self.uniqueKeyField = ko.computed({
- 'read': function() {
- return collection.uniqueKeyField() == self.name();
- },
- 'write': function(value) {
- collection.uniqueKeyField(self.name());
- }
- });
- self.editable = ko.computed(function() {
- return !self.uniqueKeyField() && self.name() != '_version_';
- });
- self.remove = function() {
- collection.removeField(self);
- };
- };
- var HiveDatabase = function(name) {
- var self = this;
- self.name = ko.observable(name).extend({'errors': null});
- self.tables = ko.observableArray();
- };
- var HiveTable = function(name) {
- var self = this;
- self.name = ko.observable(name).extend({'errors': null});
- self.columns = ko.observableArray();
- };
- var HBaseCluster = function(name) {
- var self = this;
- self.name = ko.observable(name).extend({'errors': null});
- self.tables = ko.observableArray();
- };
- var HBaseTable = function(name) {
- var self = this;
- self.name = ko.observable(name).extend({'errors': null});
- };
- // End Models
- // Start Wizard
- var Page = function(url, name, next, validate_fn) {
- var self = this;
- self.name = ko.observable(name);
- self.url = ko.observable(url);
- self.next = ko.observable(next);
- self.validate = validate_fn || function() { return true; };
- };
- var Wizard = function() {
- var self = this;
- self.rootPage = ko.observable();
- self.currentPage = ko.observable(self.rootPage());
- // Stack of previous pages.
- self.previousPages = ko.observableArray();
- self.pages = {};
- self.hasPrevious = ko.computed(function() {
- return self.previousPages().length > 0;
- });
- self.hasNext = ko.computed(function() {
- return !!(self.currentPage() && self.currentPage().next());
- });
- self.pageList = ko.computed(function() {
- var page = self.rootPage();
- var pages = [];
- while(page) {
- pages.push(page);
- page = self.pages[page.next()];
- }
- return pages;
- });
- self.previousUrl = ko.computed(function() {
- if (self.previousPages().length > 0) {
- return self.previousPages()[self.previousPages().length - 1].url();
- } else {
- return null;
- }
- });
- self.nextUrl = ko.computed(function() {
- if (self.currentPage() && self.currentPage().next()) {
- return self.currentPage().next();
- } else {
- return null;
- }
- });
- self.next = function() {
- if (self.hasNext() && self.currentPage().validate()) {
- self.previousPages.push(self.currentPage());
- self.currentPage(self.pages[self.currentPage().next()]);
- }
- };
- self.previous = function() {
- if (self.hasPrevious()) {
- self.currentPage(self.previousPages.pop());
- }
- };
- self.setPageByUrl = function(url) {
- var urls = ko.utils.arrayMap(self.pageList(), function(page) {
- return page.url();
- });
- var previousUrls = ko.utils.arrayMap(self.previousPages(), function(page) {
- return page.url();
- });
- if ($.inArray(url, previousUrls) != -1) {
- var previousPageURL = null;
- self.previous();
- while(self.hasPrevious() && self.currentPage().url() != url && self.currentPage().url() != previousPageURL) {
- previousPageURL = self.currentPage().url();
- self.previous();
- }
- } else if ($.inArray(url, urls) != -1) {
- var previousPageURL = null;
- while(self.hasNext() && self.currentPage().url() != url && self.currentPage().url() != previousPageURL) {
- previousPageURL = self.currentPage().url();
- self.next();
- }
- }
- };
- self.getPage = function(url, name, next, validate_fn) {
- self.pages;
- if (!self.pages[url]) {
- self.pages[url] = new Page(url, name, next, validate_fn);
- }
- return self.pages[url];
- };
- };
- // End Wizard
- // Start utils
- ko.bindingHandlers.routie = {
- init: function(element, valueAccessor, allBindingsAccessor, viewModel, bindingContext) {
- $(element).click(function() {
- var obj = ko.utils.unwrapObservable(valueAccessor());
- var url = null;
- var bubble = false;
- if ($.isPlainObject(obj)) {
- url = obj.url;
- bubble = !!obj.bubble;
- } else {
- url = obj;
- }
- routie(url);
- return bubble;
- });
- }
- };
- ko.bindingHandlers.filter = {
- init: function(element, valueAccessor, allBindingsAccessor, viewModel, bindingContext) {
- var obj = ko.utils.unwrapObservable(valueAccessor());
- var test_fn = obj.test;
- var list = obj.list;
- var filteredList = obj.filteredList;
- filteredList(list());
- $(element).keyup(function(e) {
- if (e.target.value) {
- filteredList(ko.utils.arrayFilter(list(), function(obj) {
- return test_fn(obj, e.target.value);
- }));
- } else {
- filteredList(list());
- }
- return (obj.bubble == undefined) ? false : obj.bubble;
- });
- }
- };
- ko.extenders.errors = function(target, options) {
- target.errors = ko.observableArray();
- target.errors.remove = function(obj) {
- var index = target.errors().indexOf(obj);
- if (index > -1) {
- target.errors.splice(index, 1);
- }
- };
- return target;
- };
- ko.extenders.selectable = function(target, options) {
- target.selected = ko.observable(false);
- target.toggleSelect = function() {
- target.selected(!target.selected());
- };
- return target;
- };
- ko.bindingHandlers.chosen = {
- init: function(element, options) {
- $(element).chosen(options);
- },
- update: function(element) {
- $(element).trigger('chosen:updated');
- }
- };
- ko.bindingHandlers.editableText = {
- init: function(element, valueAccessor) {
- $(element).attr('contenteditable', true);
- $(element).on('click', function() {
- $(element).focus();
- });
- $(element).on('blur', function() {
- var observable = valueAccessor();
- observable( $(this).text() );
- });
- },
- update: function(element, valueAccessor) {
- var value = ko.utils.unwrapObservable(valueAccessor());
- $(element).text(value);
- }
- };
- function getCharacterLabel(character) {
- var LABELS = {
- '\t': '\\t'
- };
- if (LABELS[character]) {
- return LABELS[character];
- } else {
- return character;
- }
- }
- function validateNotNull(obs, message) {
- var ret = true;
- if (!obs()) {
- obs.errors.push(message);
- ret = false;
- } else {
- obs.errors.remove(message);
- }
- return ret;
- }
- // End utils
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