'use strict';
define(
[
'jquery',
'underscore',
'backbone',
'models/maps/AssetColor'
],
function (
$,
_,
Backbone,
AssetColor
) {
/**
* @class AssetColors
* @classdesc An AssetColors collection represents the colors used to create a color
* scale for an asset in a map. The last color in the collection is treated as a
* default.
* @class AssetColors
* @classcategory Collections/Maps
* @extends Backbone.Collection
* @since 2.18.0
* @constructor
*/
var AssetColors = Backbone.Collection.extend(
/** @lends AssetColors.prototype */ {
/**
* The class/model that this collection contains.
* @type {Backbone.Model}
*/
model: AssetColor,
/**
* Add custom sort functionality such that values are sorted
* numerically, but keep the special value key words "min" and "max" at
* the beginning or end of the collection, respectively.
* @since 2.25.0
*/
comparator: function (color) {
let value = color.get('value');
if (value === 'min') {
return -Infinity;
} else if (value === 'max') {
return Infinity;
} else {
return value
}
},
/**
* Finds the last color model in the collection. If there are no colors in the
* collection, returns the default color set in a new Asset Color model.
* @return {AssetColor}
*/
getDefaultColor: function () {
let defaultColor = this.at(-1)
if (!defaultColor) {
defaultColor = new AssetColor();
}
return defaultColor
},
/**
* For any attribute that exists in the models in this collection, return an
* array of the values for that attribute.
* @param {string} attr - The attribute to get the values for.
* @return {Array}
* @since 2.25.0
*/
getAttr: function(attr) {
return this.map(function (model) {
return model.get(attr);
});
}
}
);
return AssetColors;
}
);