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/**
* Copyright © Magento, Inc. All rights reserved.
* See COPYING.txt for license details.
*/
/**
* @api
*/
define([
'Magento_Ui/js/lib/collapsible',
'underscore'
], function (Collapsible, _) {
'use strict';
return Collapsible.extend({
defaults: {
template: 'ui/form/fieldset',
collapsible: false,
changed: false,
loading: false,
error: false,
opened: false,
level: 0,
visible: true,
initializeFieldsetDataByDefault: false, /* Data in some fieldsets should be initialized before open */
disabled: false,
listens: {
'opened': 'onVisibilityChange'
},
additionalClasses: {}
},
/**
* Extends instance with defaults. Invokes parent initialize method.
* Calls initListeners and pushParams methods.
*/
initialize: function () {
_.bindAll(this, 'onChildrenUpdate', 'onChildrenError', 'onContentLoading');
return this._super()
._setClasses();
},
/**
* Initializes components' configuration.
*
* @returns {Fieldset} Chainable.
*/
initConfig: function () {
this._super();
this._wasOpened = this.opened || !this.collapsible;
return this;
},
/**
* Calls initObservable of parent class.
* Defines observable properties of instance.
*
* @returns {Object} Reference to instance
*/
initObservable: function () {
this._super()
.observe('changed loading error visible');
return this;
},
/**
* Calls parent's initElement method.
* Assigns callbacks on various events of incoming element.
*
* @param {Object} elem
* @return {Object} - reference to instance
*/
initElement: function (elem) {
elem.initContainer(this);
elem.on({
'update': this.onChildrenUpdate,
'loading': this.onContentLoading,
'error': this.onChildrenError
});
if (this.disabled) {
try {
elem.disabled(true);
}
catch (e) {
}
}
return this;
},
/**
* Is being invoked on children update.
* Sets changed property to one incoming.
*
* @param {Boolean} hasChanged
*/
onChildrenUpdate: function (hasChanged) {
if (!hasChanged) {
hasChanged = _.some(this.delegate('hasChanged'));
}
this.bubble('update', hasChanged);
this.changed(hasChanged);
},
/**
* Extends 'additionalClasses' object.
*
* @returns {Group} Chainable.
*/
_setClasses: function () {
var additional = this.additionalClasses,
classes;
if (_.isString(additional)) {
additional = this.additionalClasses.split(' ');
classes = this.additionalClasses = {};
additional.forEach(function (name) {
classes[name] = true;
}, this);
}
_.extend(this.additionalClasses, {
'admin__collapsible-block-wrapper': this.collapsible,
_show: this.opened,
_hide: !this.opened,
_disabled: this.disabled
});
return this;
},
/**
* Handler of the "opened" property changes.
*
* @param {Boolean} isOpened
*/
onVisibilityChange: function (isOpened) {
if (!this._wasOpened) {
this._wasOpened = isOpened;
}
},
/**
* Is being invoked on children validation error.
* Sets error property to one incoming.
*
* @param {String} message - error message.
*/
onChildrenError: function (message) {
var hasErrors = false;
if (!message) {
hasErrors = this._isChildrenHasErrors(hasErrors, this);
}
this.error(hasErrors || message);
if (hasErrors || message) {
this.open();
}
},
/**
* Returns errors of children if exist
*
* @param {Boolean} hasErrors
* @param {*} container
* @return {Boolean}
* @private
*/
_isChildrenHasErrors: function (hasErrors, container) {
var self = this;
if (hasErrors === false && container.hasOwnProperty('elems')) {
hasErrors = container.elems.some('error');
if (hasErrors === false && container.hasOwnProperty('_elems')) {
container._elems.forEach(function (child) {
if (hasErrors === false) {
hasErrors = self._isChildrenHasErrors(hasErrors, child);
}
});
}
}
return hasErrors;
},
/**
* Callback that sets loading property to true.
*/
onContentLoading: function (isLoading) {
this.loading(isLoading);
}
});
});