54 lines
1.1 KiB
JavaScript
54 lines
1.1 KiB
JavaScript
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var Backbone = require('backbone');
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var syncAbort = require('./backbone/sync-abort');
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/**
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* State definition model.
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* Used to persist the dashboard state at any time
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*/
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module.exports = Backbone.Model.extend({
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/**
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* @override {Backbone.prototype.sync} abort ongoing request if there is any
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*/
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sync: syncAbort,
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url: function () {
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return this._visDefinitionModel.stateURL();
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},
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isNew: function () {
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return false;
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},
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initialize: function (attrs, opts) {
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if (!attrs.json) throw new Error('state json is required');
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if (!opts.visDefinitionModel) throw new Error('visDefinitionModel is required');
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this._visDefinitionModel = opts.visDefinitionModel;
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},
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toJSON: function () {
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return {
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json: this.get('json')
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};
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},
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updateState: function (state) {
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this.save({
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json: state
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});
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},
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setBounds: function (bounds) {
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this.trigger('boundsSet', bounds);
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},
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getZoom: function () {
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return this.get('json').map.zoom;
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},
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getCenter: function () {
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return this.get('json').map.center;
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}
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});
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