mdui/components/segmented-button/segmented-button.js

实现 material you 设计规范的 Web Components 组件库

import { __decorate } from "tslib";
import { html } from 'lit';
import { customElement, property } from 'lit/decorators.js';
import { createRef, ref } from 'lit/directives/ref.js';
import cc from 'classcat';
import { HasSlotController } from '@mdui/shared/controllers/has-slot.js';
import { booleanConverter } from '@mdui/shared/helpers/decorator.js';
import { nothingTemplate } from '@mdui/shared/helpers/template.js';
import { uniqueId } from '@mdui/shared/helpers/uniqueId.js';
import '@mdui/shared/icons/check.js';
import { ButtonBase } from '../button/button-base.js';
import '../icon.js';
import { segmentedButtonStyle } from './segmented-button-style.js';
/**
 * @summary 分段按钮项组件。需配合 `<mdui-segmented-button-group>` 组件使用
 *
 * ```html
 * <mdui-segmented-button-group>
 * ..<mdui-segmented-button>Day</mdui-segmented-button>
 * ..<mdui-segmented-button>Week</mdui-segmented-button>
 * ..<mdui-segmented-button>Month</mdui-segmented-button>
 * </mdui-segmented-button-group>
 * ```
 *
 * @event focus - 获得焦点时触发
 * @event blur - 失去焦点时触发
 * @event invalid - 表单字段验证未通过时触发
 *
 * @slot - 分段按钮项的文本内容
 * @slot icon - 分段按钮项的左侧图标
 * @slot selected-icon - 选中状态的左侧图标
 * @slot end-icon - 分段按钮项的右侧图标
 *
 * @csspart button - 内部的 `<button>` 或 `<a>` 元素
 * @csspart icon - 左侧的图标
 * @csspart selected-icon - 选中状态的左侧图标
 * @csspart end-icon - 右侧的图标
 * @csspart label - 文本内容
 * @csspart loading - 加载中状态的 `<mdui-circular-progress>` 元素
 */
let SegmentedButton = class SegmentedButton extends ButtonBase {
    constructor() {
        super(...arguments);
        /**
         * 是否选中该分段按钮项，由 <mdui-segmented-button-group> 组件控制该参数
         */
        this.selected = false;
        /**
         * 是否验证未通过。由 <mdui-segmented-button-group> 控制该参数
         */
        this.invalid = false;
        // 父组件中是否设置了禁用。由 <mdui-segmented-button-group> 控制该参数
        this.groupDisabled = false;
        // 每一个 segmented-button 元素都添加一个唯一的 key
        this.key = uniqueId();
        this.rippleRef = createRef();
        this.hasSlotController = new HasSlotController(this, '[default]', 'icon', 'end-icon');
    }
    get rippleElement() {
        return this.rippleRef.value;
    }
    get rippleDisabled() {
        return this.isDisabled() || this.loading;
    }
    get focusDisabled() {
        return this.isDisabled() || this.loading;
    }
    render() {
        const className = cc({
            button: true,
            'has-icon': this.icon ||
                this.selected ||
                this.loading ||
                this.hasSlotController.test('icon'),
            'has-end-icon': this.endIcon || this.hasSlotController.test('end-icon'),
        });
        return html `<mdui-ripple ${ref(this.rippleRef)} .noRipple="${this.noRipple}"></mdui-ripple>${this.isButton()
            ? this.renderButton({
                className,
                part: 'button',
                content: this.renderInner(),
            })
            : this.isDisabled() || this.loading
                ? html `<span part="button" class="_a ${className}">${this.renderInner()}</span>`
                : this.renderAnchor({
                    className,
                    part: 'button',
                    content: this.renderInner(),
                })}`;
    }
    isDisabled() {
        return this.disabled || this.groupDisabled;
    }
    renderIcon() {
        if (this.loading) {
            return this.renderLoading();
        }
        if (this.selected) {
            return html `<slot name="selected-icon" part="selected-icon" class="selected-icon">${this.selectedIcon
                ? html `<mdui-icon name="${this.selectedIcon}" class="i"></mdui-icon>`
                : html `<mdui-icon-check class="i"></mdui-icon-check>`}</slot>`;
        }
        return html `<slot name="icon" part="icon" class="icon">${this.icon
            ? html `<mdui-icon name="${this.icon}" class="i"></mdui-icon>`
            : nothingTemplate}</slot>`;
    }
    renderLabel() {
        const hasLabel = this.hasSlotController.test('[default]');
        if (!hasLabel) {
            return nothingTemplate;
        }
        return html `<slot part="label" class="label"></slot>`;
    }
    renderEndIcon() {
        return html `<slot name="end-icon" part="end-icon" class="end-icon">${this.endIcon
            ? html `<mdui-icon name="${this.endIcon}" class="i"></mdui-icon>`
            : nothingTemplate}</slot>`;
    }
    renderInner() {
        return [this.renderIcon(), this.renderLabel(), this.renderEndIcon()];
    }
};
SegmentedButton.styles = [
    ButtonBase.styles,
    segmentedButtonStyle,
];
__decorate([
    property({ reflect: true })
], SegmentedButton.prototype, "icon", void 0);
__decorate([
    property({ reflect: true, attribute: 'end-icon' })
], SegmentedButton.prototype, "endIcon", void 0);
__decorate([
    property({ reflect: true, attribute: 'selected-icon' })
], SegmentedButton.prototype, "selectedIcon", void 0);
__decorate([
    property({
        type: Boolean,
        reflect: true,
        converter: booleanConverter,
    })
], SegmentedButton.prototype, "selected", void 0);
__decorate([
    property({
        type: Boolean,
        reflect: true,
        converter: booleanConverter,
    })
], SegmentedButton.prototype, "invalid", void 0);
__decorate([
    property({
        type: Boolean,
        reflect: true,
        converter: booleanConverter,
        attribute: 'group-disabled',
    })
], SegmentedButton.prototype, "groupDisabled", void 0);
SegmentedButton = __decorate([
    customElement('mdui-segmented-button')
], SegmentedButton);
export { SegmentedButton };