tobago-theme/tobago-theme-standard/npm/dist/js/tobago-select-one-radio.js

/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You under the Apache License, Version 2.0
 * (the "License"); you may not use this file except in compliance with
 * the License.  You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
import { Focus } from "./tobago-focus";
class SelectOneRadio extends HTMLElement {
    constructor() {
        super();
        this.oldCheckedId = "";
    }
    connectedCallback() {
        this.saveSelection();
        for (const radio of this.radioGroup) {
            radio.addEventListener("focus", Focus.setLastFocusId);
            radio.addEventListener("click", this.clickSelection.bind(this));
        }
    }
    clickSelection(event) {
        const radio = event.currentTarget;
        if (radio.readOnly) {
            this.revertSelection();
        }
        else if (!radio.disabled && !radio.required && radio.id === this.oldCheckedId) {
            radio.checked = false;
            this.oldCheckedId = "";
        }
        this.saveSelection();
    }
    revertSelection() {
        for (const radio of this.radioGroup) {
            radio.checked = radio.id === this.oldCheckedId;
        }
    }
    saveSelection() {
        for (const radio of this.radioGroup) {
            if (radio.checked) {
                this.oldCheckedId = radio.id;
            }
        }
    }
    get radioGroup() {
        return this.querySelectorAll("input[type='radio'][name='" + this.id + "']");
    }
}
document.addEventListener("tobago.init", function (event) {
    if (window.customElements.get("tobago-select-one-radio") == null) {
        window.customElements.define("tobago-select-one-radio", SelectOneRadio);
    }
});
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