111 lines
2.8 KiB
JavaScript
111 lines
2.8 KiB
JavaScript
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var Backbone = require('backbone');
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var _ = require('underscore');
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var syncAbort = require('builder/data/backbone/sync-abort');
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var LegendsState = require('./legends-state');
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/*
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Base model for a legend. It should have a reference to a layerDefinitionModel.
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*/
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module.exports = Backbone.Model.extend({
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defaults: {
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type: 'none',
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title: '',
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postHTMLSnippet: '',
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preHTMLSnippet: ''
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},
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sync: syncAbort,
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parse: function (r) {
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var attrs = _.extend({},
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_.omit(r, 'created_at', 'updated_at', 'definition', 'pre_html', 'post_html')
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);
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if (r.conf && r.conf.columns) {
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attrs.customState = r.conf.columns;
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}
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attrs.preHTMLSnippet = r.pre_html;
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attrs.postHTMLSnippet = r.post_html;
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return attrs;
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},
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urlRoot: function () {
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var baseUrl = this.configModel.get('base_url');
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return baseUrl + '/api/v3/viz/' + this.vizId + '/layer/' + this.layerDefinitionModel.id + '/legends';
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},
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initialize: function (attrs, opts) {
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if (!opts.layerDefinitionModel) throw new Error('layerDefinitionModel is required');
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if (!opts.configModel) throw new Error('configModel is required');
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if (!opts.vizId) throw new Error('vizId is required');
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this.layerDefinitionModel = opts.layerDefinitionModel;
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this.configModel = opts.configModel;
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this.vizId = opts.vizId;
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},
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getStyles: function () {
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return this.layerDefinitionModel && this.layerDefinitionModel.styleModel || null;
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},
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fetch: function () {
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throw new Error('This model should not make any fetch calls. It should be created from the vizJSON.');
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},
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getType: function () {
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return this.get('type');
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},
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toJSON: function () {
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return _.extend(
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this.attributes,
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{
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type: this.getType()
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}
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);
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},
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getAttributes: function () {
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return _.extend(
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{},
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_.pick(this.attributes, _.keys(this.defaults)),
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_.omit(this.attributes, 'pre_html', 'post_html', 'customState')
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);
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},
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setAttributes: function (attrs) {
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// Store the real values
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LegendsState.set(this.layerDefinitionModel, this.get('type') || attrs.type, attrs);
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this.set(attrs);
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},
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// Overriding set
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set: function (key, val, options) {
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var attrs;
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if (typeof key === 'object') {
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attrs = key;
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options = val;
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} else {
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(attrs = {})[key] = val;
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}
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options || (options = {});
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var layerDefinitionModel = this.layerDefinitionModel || options.layerDefinitionModel;
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var type = this.get('type') || attrs.type;
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// Override attributes with the current custom state
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var state = LegendsState.get(layerDefinitionModel, type);
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var attributes = _.extend({}, attrs, {
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customState: _.keys(state)
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}, state);
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return Backbone.Model.prototype.set.call(this, attributes, options);
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},
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hasCustomHtml: function () {
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return false;
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}
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});
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