carbon-components
Version:
Carbon Components is a component library for IBM Cloud
143 lines (123 loc) • 6.66 kB
JavaScript
function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
function _possibleConstructorReturn(self, call) { if (!self) { throw new ReferenceError("this hasn't been initialised - super() hasn't been called"); } return call && (typeof call === "object" || typeof call === "function") ? call : self; }
function _inherits(subClass, superClass) { if (typeof superClass !== "function" && superClass !== null) { throw new TypeError("Super expression must either be null or a function, not " + typeof superClass); } subClass.prototype = Object.create(superClass && superClass.prototype, { constructor: { value: subClass, enumerable: false, writable: true, configurable: true } }); if (superClass) Object.setPrototypeOf ? Object.setPrototypeOf(subClass, superClass) : subClass.__proto__ = superClass; }
import mixin from '../../globals/js/misc/mixin';
import createComponent from '../../globals/js/mixins/create-component';
import initComponentBySearch from '../../globals/js/mixins/init-component-by-search';
import handles from '../../globals/js/mixins/handles';
import on from '../../globals/js/misc/on';
var Pagination = function (_mixin) {
_inherits(Pagination, _mixin);
/**
* Pagination component.
* @extends CreateComponent
* @extends InitComponentBySearch
* @param {HTMLElement} element The element working as a pagination component.
* @param {Object} [options] The component options.
* @property {string} [selectorInit] The CSS selector to find pagination components.
* @property {string} [selectorItemsPerPageInput]
* The CSS selector to find the input that determines the number of items per page.
* @property {string} [selectorPageNumberInput] The CSS selector to find the input that changes the page displayed.
* @property {string} [selectorPageBackward] The CSS selector to find the button that goes back a page.
* @property {string} [selectorPageForward] The CSS selector to find the button that goes forward a page.
* @property {string} [eventItemsPerPage]
* The name of the custom event fired when a user changes the number of items per page.
* event.detail.value contains the number of items a user wishes to see.
* @property {string} [eventPageNumber]
* The name of the custom event fired when a user inputs a specific page number.
* event.detail.value contains the value that the user input.
* @property {string} [eventPageChange]
* The name of the custom event fired when a user goes forward or backward a page.
* event.detail.direction contains the direction a user wishes to go.
*/
function Pagination(element, options) {
_classCallCheck(this, Pagination);
var _this = _possibleConstructorReturn(this, (Pagination.__proto__ || Object.getPrototypeOf(Pagination)).call(this, element, options));
_this._emitEvent = function (evtName, detail) {
var event = new CustomEvent('' + evtName, {
bubbles: true,
cancelable: true,
detail: detail
});
_this.element.dispatchEvent(event);
};
_this.manage(on(_this.element, 'click', function (evt) {
if (evt.target.matches(_this.options.selectorPageBackward)) {
var detail = {
initialEvt: evt,
element: evt.target,
direction: 'backward'
};
_this._emitEvent(_this.options.eventPageChange, detail);
} else if (evt.target.matches(_this.options.selectorPageForward)) {
var _detail = {
initialEvt: evt,
element: evt.target,
direction: 'forward'
};
_this._emitEvent(_this.options.eventPageChange, _detail);
}
}));
_this.manage(on(_this.element, 'input', function (evt) {
if (evt.target.matches(_this.options.selectorItemsPerPageInput)) {
var detail = {
initialEvt: evt,
element: evt.target,
value: evt.target.value
};
_this._emitEvent(_this.options.eventItemsPerPage, detail);
} else if (evt.target.matches(_this.options.selectorPageNumberInput)) {
var _detail2 = {
initialEvt: evt,
element: evt.target,
value: evt.target.value
};
_this._emitEvent(_this.options.eventPageNumber, _detail2);
}
}));
return _this;
}
/**
* Dispatches a custom event
* @param {string} evtName name of the event to be dispatched.
* @param {Object} detail contains the original event and any other necessary details.
*/
/**
* The map associating DOM element and pagination instance.
* @type {WeakMap}
*/
/**
* The component options.
* If `options` is specified in the constructor,
* {@linkcode Pagination.create .create()}, or {@linkcode Pagination.init .init()},
* properties in this object are overriden for the instance being create and how {@linkcode Pagination.init .init()} works.
* @property {string} [selectorInit] The CSS selector to find pagination components.
* @property {string} [selectorItemsPerPageInput] The CSS selector to find the input that determines
* the number of items per page.
* @property {string} [selectorPageNumberInput] The CSS selector to find the input that changes the page displayed.
* @property {string} [selectorPageBackward] The CSS selector to find the button that goes back a page.
* @property {string} [selectorPageForward] The CSS selector to find the button that goes forward a page.
* @property {string} [eventItemsPerPage]
* The name of the custom event fired when a user changes the number of items per page.
* event.detail.value contains the number of items a user wishes to see.
* @property {string} [eventPageNumber]
* The name of the custom event fired when a user inputs a specific page number.
* event.detail.value contains the value that the user input.
* @property {string} [eventPageChange]
* The name of the custom event fired when a user goes forward or backward a page.
* event.detail.direction contains the direction a user wishes to go.
*/
return Pagination;
}(mixin(createComponent, initComponentBySearch, handles));
Pagination.components = new WeakMap();
Pagination.options = {
selectorInit: '[data-pagination]',
selectorItemsPerPageInput: '[data-items-per-page]',
selectorPageNumberInput: '[data-page-number-input]',
selectorPageBackward: '[data-page-backward]',
selectorPageForward: '[data-page-forward]',
eventItemsPerPage: 'itemsPerPage',
eventPageNumber: 'pageNumber',
eventPageChange: 'pageChange'
};
export default Pagination;