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/**
* Copyright © Magento, Inc. All rights reserved.
* See COPYING.txt for license details.
*/
/**
* @api
*/
define([
'ko',
'underscore',
'mageUtils',
'uiElement'
], function (ko, _, utils, Element) {
'use strict';
return Element.extend({
defaults: {
template: 'ui/grid/paging/sizes',
minSize: 1,
maxSize: 999,
statefull: {
options: true,
value: true
},
listens: {
value: 'onValueChange',
options: 'onSizesChange'
}
},
/**
* Initializes sizes component.
*
* @returns {Sizes} Chainable.
*/
initialize: function () {
this._super()
.updateArray();
return this;
},
/**
* Initializes observable properties.
*
* @returns {Sizes} Chainable.
*/
initObservable: function () {
this._super()
.track([
'value',
'editing',
'customVisible',
'customValue'
])
.track({
optionsArray: []
});
this._value = ko.pureComputed({
read: ko.getObservable(this, 'value'),
/**
* Validates input field prior to updating 'value' property.
*/
write: function (value) {
value = this.normalize(value);
this.value = value;
this._value.notifySubscribers(value);
},
owner: this
});
return this;
},
/**
* Starts editing of the specified size.
*
* @param {Number} value - Value of the size.
* @returns {Sizes} Chainable.
*/
edit: function (value) {
this.editing = value;
return this;
},
/**
* Discards changes made to the currently editable size.
*
* @returns {Sizes} Chainable.
*/
discardEditing: function () {
var value = this.editing;
if (value) {
this.updateSize(value, value);
}
return this;
},
/**
* Invokes 'discardEditing' and 'discardCustom' actions.
*
* @returns {Sizes} Chainable.
*/
discardAll: function () {
this.discardEditing()
.discardCustom();
return this;
},
/**
* Returns value of the first size.
*
* @returns {Number}
*/
getFirst: function () {
return this.optionsArray[0].value;
},
/**
* Returns size which matches specified value.
*
* @param {Number} value - Value of the item.
* @returns {Object|Undefined}
*/
getSize: function (value) {
return this.options[value];
},
/**
* Sets current size to the specified value.
*
* @param {Number} value - Value of the size.
* @returns {Sizes} Chainable.
*/
setSize: function (value) {
this.value = value;
return this;
},
/**
* Adds a new value to sizes list.
*
* @param {Number} value - Value to be added.
* @returns {Sizes} Chainable.
*/
addSize: function (value) {
var size;
if (!this.hasSize(value)) {
size = this.createSize(value);
this.set('options.' + value, size);
}
return this;
},
/**
* Removes provided value from the sizes list.
*
* @param {Number} value - Value to be removed.
* @returns {Sizes} Chainable.
*/
removeSize: function (value) {
if (!this.hasSize(value)) {
return this;
}
this.remove('options.' + value);
if (this.isSelected(value)) {
this.setSize(this.getFirst());
}
return this;
},
/**
* Updates existing value to the provided one. If new value
* is not specified, then sizes' '_value' property will be taken.
*
* @param {Number} value - Existing value that should be updated.
* @param {(Number|String)} [newValue=size._value] - New size value.
* @returns {Sizes} Chainable.
*/
updateSize: function (value, newValue) {
var size = this.getSize(value);
if (!size) {
return this;
}
newValue = newValue || size._value;
if (isNaN(+newValue)) {
this.discardEditing();
return this;
}
newValue = this.normalize(newValue);
this.remove('options.' + value)
.addSize(newValue);
if (this.isSelected(value)) {
this.setSize(newValue);
}
return this;
},
/**
* Creates new editable size instance with the provided value.
*
* @param {Number} value - Value of the size.
* @returns {Object}
*/
createSize: function (value) {
return {
value: value,
label: value,
_value: value,
editable: true
};
},
/**
* Checks if provided value exists in the sizes list.
*
* @param {Number} value - Value to be checked.
* @returns {Boolean}
*/
hasSize: function (value) {
return !!this.getSize(value);
},
/**
* Hides and clears custom field.
*
* @returns {Sizes} Chainable.
*/
discardCustom: function () {
this.hideCustom()
.clearCustom();
return this;
},
/**
* Shows custom field.
*
* @returns {Sizes} Chainable.
*/
showCustom: function () {
this.customVisible = true;
return this;
},
/**
* Hides custom field.
*
* @returns {Sizes} Chainable.
*/
hideCustom: function () {
this.customVisible = false;
return this;
},
/**
* Empties value of the custom field.
*
* @returns {Sizes} Chainable.
*/
clearCustom: function () {
this.customValue = '';
return this;
},
/**
* Adds a new size specified in the custom field.
*
* @returns {Sizes} Chainable.
*/
applyCustom: function () {
var value = this.customValue;
value = this.normalize(value);
this.addSize(value)
.setSize(value)
.discardCustom();
return this;
},
/**
* Checks if custom field is visible.
*
* @returns {Boolean}
*/
isCustomVisible: function () {
return this.customVisible;
},
/**
* Converts provided value to a number and puts
* it in range between 'minSize' and 'maxSize' properties.
*
* @param {(Number|String)} value - Value to be normalized.
* @returns {Number}
*/
normalize: function (value) {
value = +value;
if (isNaN(value)) {
return this.getFirst();
}
return utils.inRange(Math.round(value), this.minSize, this.maxSize);
},
/**
* Updates the array of options.
*
* @returns {Sizes} Chainable.
*/
updateArray: function () {
var array = _.values(this.options);
this.optionsArray = _.sortBy(array, 'value');
return this;
},
/**
* Checks if provided value is in editing state.
*
* @param {Number} value - Value to be checked.
* @returns {Boolean}
*/
isEditing: function (value) {
return this.editing === value;
},
/**
* Checks if provided value is selected.
*
* @param {Number} value - Value to be checked.
* @returns {Boolean}
*/
isSelected: function (value) {
return this.value === value;
},
/**
* Listener of the 'value' property changes.
*/
onValueChange: function () {
this.discardAll()
.trigger('close');
},
/**
* Listener of the 'options' object changes.
*/
onSizesChange: function () {
this.editing = false;
this.updateArray();
}
});
});