import { r as registerInstance, d as createEvent, c as getIonMode, h, H as Host, e as getElement } from './core-feeeff0d.js';
import './config-3c7f3790.js';
import { f as findItemLabel, a as renderHiddenInput } from './helpers-8a56ec51.js';
import { c as createColorClasses, h as hostContext } from './theme-18cbe2cc.js';

const Checkbox = class {
    constructor(hostRef) {
        registerInstance(this, hostRef);
        this.inputId = `ion-cb-${checkboxIds++}`;
        /**
         * The name of the control, which is submitted with the form data.
         */
        this.name = this.inputId;
        /**
         * If `true`, the checkbox is selected.
         */
        this.checked = false;
        /**
         * If `true`, the checkbox will visually appear as indeterminate.
         */
        this.indeterminate = false;
        /**
         * If `true`, the user cannot interact with the checkbox.
         */
        this.disabled = false;
        /**
         * The value of the toggle does not mean if it's checked or not, use the `checked`
         * property for that.
         *
         * The value of a toggle is analogous to the value of a `<input type="checkbox">`,
         * it's only used when the toggle participates in a native `<form>`.
         */
        this.value = 'on';
        this.onClick = () => {
            this.setFocus();
            this.checked = !this.checked;
            this.indeterminate = false;
        };
        this.onFocus = () => {
            this.ionFocus.emit();
        };
        this.onBlur = () => {
            this.ionBlur.emit();
        };
        this.ionChange = createEvent(this, "ionChange", 7);
        this.ionFocus = createEvent(this, "ionFocus", 7);
        this.ionBlur = createEvent(this, "ionBlur", 7);
        this.ionStyle = createEvent(this, "ionStyle", 7);
    }
    componentWillLoad() {
        this.emitStyle();
    }
    checkedChanged(isChecked) {
        this.ionChange.emit({
            checked: isChecked,
            value: this.value
        });
        this.emitStyle();
    }
    disabledChanged() {
        this.emitStyle();
    }
    emitStyle() {
        this.ionStyle.emit({
            'checkbox-checked': this.checked,
            'interactive-disabled': this.disabled,
        });
    }
    setFocus() {
        if (this.buttonEl) {
            this.buttonEl.focus();
        }
    }
    render() {
        const { inputId, indeterminate, disabled, checked, value, color, el } = this;
        const labelId = inputId + '-lbl';
        const mode = getIonMode(this);
        const label = findItemLabel(el);
        if (label) {
            label.id = labelId;
        }
        renderHiddenInput(true, el, this.name, (checked ? value : ''), disabled);
        let path = indeterminate
            ? h("path", { d: "M6 12L18 12" })
            : h("path", { d: "M5.9,12.5l3.8,3.8l8.8-8.8" });
        if (mode === 'md') {
            path = indeterminate
                ? h("path", { d: "M2 12H22" })
                : h("path", { d: "M1.73,12.91 8.1,19.28 22.79,4.59" });
        }
        return (h(Host, { onClick: this.onClick, role: "checkbox", "aria-disabled": disabled ? 'true' : null, "aria-checked": `${checked}`, "aria-labelledby": labelId, class: Object.assign(Object.assign({}, createColorClasses(color)), { [mode]: true, 'in-item': hostContext('ion-item', el), 'checkbox-checked': checked, 'checkbox-disabled': disabled, 'checkbox-indeterminate': indeterminate, 'interactive': true }) }, h("svg", { class: "checkbox-icon", viewBox: "0 0 24 24" }, path), h("button", { type: "button", onFocus: this.onFocus, onBlur: this.onBlur, disabled: this.disabled, ref: btnEl => this.buttonEl = btnEl })));
    }
    get el() { return getElement(this); }
    static get watchers() { return {
        "checked": ["checkedChanged"],
        "disabled": ["disabledChanged"]
    }; }
    static get style() { return ":host{--background-checked:var(--ion-color-primary,#3880ff);--border-color-checked:var(--ion-color-primary,#3880ff);--checkmark-color:var(--ion-color-primary-contrast,#fff);--checkmark-width:1;--transition:none;display:inline-block;position:relative;-webkit-user-select:none;-moz-user-select:none;-ms-user-select:none;user-select:none;z-index:2}:host(.ion-color){--background-checked:var(--ion-color-base);--border-color-checked:var(--ion-color-base);--checkmark-color:var(--ion-color-contrast)}button{left:0;top:0;margin-left:0;margin-right:0;margin-top:0;margin-bottom:0;position:absolute;width:100%;height:100%;border:0;background:transparent;cursor:pointer;-webkit-appearance:none;-moz-appearance:none;appearance:none;outline:none}:host-context([dir=rtl]) button,[dir=rtl] button{left:unset;right:unset;right:0}button::-moz-focus-inner{border:0}.checkbox-icon{border-radius:var(--border-radius);display:block;position:relative;width:100%;height:100%;-webkit-transition:var(--transition);transition:var(--transition);border-width:var(--border-width);border-style:var(--border-style);border-color:var(--border-color);background:var(--background);-webkit-box-sizing:border-box;box-sizing:border-box}.checkbox-icon path{fill:none;stroke:var(--checkmark-color);stroke-width:var(--checkmark-width);opacity:0}:host(.checkbox-checked) .checkbox-icon,:host(.checkbox-indeterminate) .checkbox-icon{border-color:var(--border-color-checked);background:var(--background-checked)}:host(.checkbox-checked) .checkbox-icon path,:host(.checkbox-indeterminate) .checkbox-icon path{opacity:1}:host(.checkbox-disabled){pointer-events:none}:host{--border-radius:calc(var(--size) * .125);--border-width:2px;--border-style:solid;--border-color:rgba(var(--ion-text-color-rgb,0,0,0),0.51);--checkmark-width:3;--background:var(--ion-item-background,var(--ion-background-color,#fff));--transition:background 180ms cubic-bezier(0.4,0,0.2,1);--size:18px;width:var(--size);height:var(--size)}.checkbox-icon path{stroke-dasharray:30;stroke-dashoffset:30}:host(.checkbox-checked) .checkbox-icon path,:host(.checkbox-indeterminate) .checkbox-icon path{stroke-dashoffset:0;-webkit-transition:stroke-dashoffset 90ms linear 90ms;transition:stroke-dashoffset 90ms linear 90ms}:host(.checkbox-disabled){opacity:.3}:host(.in-item){margin-left:0;margin-right:0;margin-top:18px;margin-bottom:18px;display:block;position:static}:host(.in-item[slot=start]){margin-left:4px;margin-right:36px;margin-top:18px;margin-bottom:18px}\@supports ((-webkit-margin-start:0) or (margin-inline-start:0)) or (-webkit-margin-start:0){:host(.in-item[slot=start]){margin-left:unset;margin-right:unset;-webkit-margin-start:4px;margin-inline-start:4px;-webkit-margin-end:36px;margin-inline-end:36px}}"; }
};
let checkboxIds = 0;

export { Checkbox as ion_checkbox };
