cartodb-4.42/lib/assets/javascripts/builder/data/state-definition-model.js

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2024-04-06 13:25:13 +08:00
var Backbone = require('backbone');
var syncAbort = require('./backbone/sync-abort');
/**
* State definition model.
* Used to persist the dashboard state at any time
*/
module.exports = Backbone.Model.extend({
/**
* @override {Backbone.prototype.sync} abort ongoing request if there is any
*/
sync: syncAbort,
url: function () {
return this._visDefinitionModel.stateURL();
},
isNew: function () {
return false;
},
initialize: function (attrs, opts) {
if (!attrs.json) throw new Error('state json is required');
if (!opts.visDefinitionModel) throw new Error('visDefinitionModel is required');
this._visDefinitionModel = opts.visDefinitionModel;
},
toJSON: function () {
return {
json: this.get('json')
};
},
updateState: function (state) {
this.save({
json: state
});
},
setBounds: function (bounds) {
this.trigger('boundsSet', bounds);
},
getZoom: function () {
return this.get('json').map.zoom;
},
getCenter: function () {
return this.get('json').map.center;
}
});