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/**
* Copyright © Magento, Inc. All rights reserved.
* See COPYING.txt for license details.
*/
/**
* @api
*/
define([
'underscore',
'uiRegistry',
'uiClass'
], function (_, registry, Class) {
'use strict';
return Class.extend({
defaults: {
rules: []
},
/**
* Initializes instance of a DataSwitcher.
*
* @returns {DataSwitcher} Chainable.
*/
initialize: function () {
this._super()
.initRules();
return this;
},
/**
*
* @returns {DataSwitcher} Chainable.
*/
initRules: function () {
this.rules.forEach(this.initRule, this);
return this;
},
/**
*
* @param {Object} rule - Rule definition.
* @returns {DataSwitcher} Chainable.
*/
initRule: function (rule) {
var handler = this.onValueChange.bind(this, rule);
if (!rule.target) {
rule.target = this.target;
}
if (!rule.property) {
rule.property = this.property;
}
registry.get(rule.target, function (target) {
this.applyRule(rule, target.get(rule.property));
target.on(rule.property, handler);
}.bind(this));
return this;
},
/**
*
* @param {Object} rule - Rule definition.
* @returns {DataSwitcher} Chainable.
*/
addRule: function (rule) {
this.rules.push(rule);
this.initRule(rule);
return this;
},
/**
*
* @param {Object} rule - Rule object.
* @param {*} value - Current value associated with a rule.
*/
applyRule: function (rule, value) {
var actions = rule.actions;
//TODO Refactor this logic in scope of MAGETWO-48585
/* eslint-disable eqeqeq */
if (rule.value != value) {
return;
} else if (rule.strict) {
return;
}
/* eslint-enable eqeqeq */
actions.forEach(this.applyAction, this);
},
/**
*
* @param {Object} action - Action object.
*/
applyAction: function (action) {
registry.get(action.target, function (target) {
var callback = target[action.callback];
callback.apply(target, action.params || []);
});
},
/**
*
* @param {Object} rule - Rules object.
* @param {*} value - Current value associated with a rule.
*/
onValueChange: function (rule, value) {
this.applyRule(rule, value);
}
});
});