33 lines
676 B
JavaScript
33 lines
676 B
JavaScript
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var Backbone = require('backbone');
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module.exports = Backbone.Model.extend({
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defaults: {
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layer_index: 0,
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tuples: []
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},
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analysisDefinitionNodeModel: function () {
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return this._selectedItem().analysisDefinitionNodeModel;
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},
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layerDefinitionModel: function () {
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return this._selectedItem().layerDefinitionModel;
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},
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columnName: function () {
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return this._selectedItem().columnModel.get('name');
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},
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save: function () {
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throw new Error('save should be implemented by child');
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},
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_selectedItem: function () {
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var i = this.get('layer_index') || 0;
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var tuples = this.get('tuples') || [];
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return tuples[i] || {};
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}
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});
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