69 lines
1.5 KiB
JavaScript
69 lines
1.5 KiB
JavaScript
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var _ = require('underscore');
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var WidgetModel = require('../widget-model');
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/**
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* Model for a histogram widget
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*/
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module.exports = WidgetModel.extend({
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defaults: {
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normalized: true
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},
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defaultState: _.extend(
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{
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autoStyle: false,
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normalized: false
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},
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WidgetModel.prototype.defaultState
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),
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initialize: function (attrs, opts) {
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WidgetModel.prototype.initialize.apply(this, arguments);
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this.on('change:collapsed', this._onCollapsedChange, this);
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this.on('change:style', this._updateAutoStyle, this);
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this.dataviewModel.once('change', function () {
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if (this.get('autoStyle')) {
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this.autoStyle();
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}
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}, this);
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},
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_onCollapsedChange: function (m, isCollapsed) {
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this.dataviewModel.set('enabled', !isCollapsed);
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},
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getState: function () {
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var state = WidgetModel.prototype.getState.call(this);
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var start = this.dataviewModel.get('start');
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var end = this.dataviewModel.get('end');
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var min = this.get('min');
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var max = this.get('max');
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var checkRoughEqual = function (a, b) {
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if (_.isNumber(a) && _.isNumber(b) && (a !== b) && Math.abs(a - b) > Math.abs(start - end) * 0.01) {
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return true;
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}
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return false;
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};
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if (checkRoughEqual(start, min)) {
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state.min = min;
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} else {
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delete state.min;
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}
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if (checkRoughEqual(end, max)) {
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state.max = max;
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} else {
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delete state.max;
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}
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if (this.get('zoomed') === true) {
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state.zoomed = true;
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}
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return state;
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}
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});
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