devextreme/esm/ui/radio_group/radio_button.js

HTML5 JavaScript Component Suite for Responsive Web Development

/**
 * DevExtreme (esm/ui/radio_group/radio_button.js)
 * Version: 22.1.9
 * Build date: Tue Apr 18 2023
 *
 * Copyright (c) 2012 - 2023 Developer Express Inc. ALL RIGHTS RESERVED
 * Read about DevExtreme licensing here: https://js.devexpress.com/Licensing/
 */
import $ from "../../core/renderer";
import eventsEngine from "../../events/core/events_engine";
import devices from "../../core/devices";
import {
    extend
} from "../../core/utils/extend";
import registerComponent from "../../core/component_registrator";
import Editor from "../editor/editor";
import {
    addNamespace
} from "../../events/utils/index";
import {
    name as clickEventName
} from "../../events/click";
var RADIO_BUTTON_CLASS = "dx-radiobutton";
var RADIO_BUTTON_ICON_CLASS = "dx-radiobutton-icon";
var RADIO_BUTTON_ICON_DOT_CLASS = "dx-radiobutton-icon-dot";
var RADIO_BUTTON_CHECKED_CLASS = "dx-radiobutton-checked";
var RADIO_BUTTON_ICON_CHECKED_CLASS = "dx-radiobutton-icon-checked";
var RadioButton = Editor.inherit({
    _supportedKeys: function() {
        return extend(this.callBase(), {
            space: function(e) {
                e.preventDefault();
                this._clickAction({
                    event: e
                })
            }
        })
    },
    _getDefaultOptions: function() {
        return extend(this.callBase(), {
            hoverStateEnabled: true,
            activeStateEnabled: true,
            value: false
        })
    },
    _canValueBeChangedByClick: function() {
        return true
    },
    _defaultOptionsRules: function() {
        return this.callBase().concat([{
            device: function() {
                return "desktop" === devices.real().deviceType && !devices.isSimulator()
            },
            options: {
                focusStateEnabled: true
            }
        }])
    },
    _init: function() {
        this.callBase();
        this.$element().addClass(RADIO_BUTTON_CLASS)
    },
    _initMarkup: function() {
        this.callBase();
        this._renderIcon();
        this._renderCheckedState(this.option("value"));
        this._renderClick();
        this.setAria("role", "radio")
    },
    _renderIcon: function() {
        this._$icon = $("<div>").addClass(RADIO_BUTTON_ICON_CLASS);
        $("<div>").addClass(RADIO_BUTTON_ICON_DOT_CLASS).appendTo(this._$icon);
        this.$element().append(this._$icon)
    },
    _renderCheckedState: function(checked) {
        this.$element().toggleClass(RADIO_BUTTON_CHECKED_CLASS, checked).find("." + RADIO_BUTTON_ICON_CLASS).toggleClass(RADIO_BUTTON_ICON_CHECKED_CLASS, checked);
        this.setAria("checked", checked)
    },
    _renderClick: function() {
        var eventName = addNamespace(clickEventName, this.NAME);
        this._clickAction = this._createAction(function(args) {
            this._clickHandler(args.event)
        }.bind(this));
        eventsEngine.off(this.$element(), eventName);
        eventsEngine.on(this.$element(), eventName, function(e) {
            this._clickAction({
                event: e
            })
        }.bind(this))
    },
    _clickHandler: function(e) {
        this._saveValueChangeEvent(e);
        this.option("value", true)
    },
    _optionChanged: function(args) {
        switch (args.name) {
            case "value":
                this._renderCheckedState(args.value);
                this.callBase(args);
                break;
            default:
                this.callBase(args)
        }
    }
});
registerComponent("dxRadioButton", RadioButton);
export default RadioButton;