mdui
Version:
实现 material you 设计规范的 Web Components 组件库
130 lines (129 loc) • 4.73 kB
JavaScript
import { __decorate } from "tslib";
import { html } from 'lit';
import { customElement, property } from 'lit/decorators.js';
import { createRef, ref } from 'lit/directives/ref.js';
import { HasSlotController } from '@mdui/shared/controllers/has-slot.js';
import { watch } from '@mdui/shared/decorators/watch.js';
import { booleanConverter } from '@mdui/shared/helpers/decorator.js';
import { nothingTemplate } from '@mdui/shared/helpers/template.js';
import { ButtonBase } from '../button/button-base.js';
import '../icon.js';
import { style } from './style.js';
/**
* @summary 图标按钮组件
*
* ```html
* <mdui-button-icon icon="search"></mdui-button-icon>
* ```
*
* @event focus - 获得焦点时触发
* @event blur - 失去焦点时触发
* @event change - 选中状态变更时触发
* @event invalid - 表单字段验证未通过时触发
*
* @slot - 图标组件
* @slot selected-icon 选中状态显示的图标元素
*
* @csspart button - 内部的 `<button>` 或 `<a>` 元素
* @csspart icon - 未选中状态的图标
* @csspart selected-icon 选中状态的图标
* @csspart loading - 加载中状态的 `<mdui-circular-progress>` 元素
*
* @cssprop --shape-corner - 组件的圆角大小。可以指定一个具体的像素值；但更推荐引用[设计令牌](/docs/2/styles/design-tokens#shape-corner)
*/
let ButtonIcon = class ButtonIcon extends ButtonBase {
constructor() {
super(...arguments);
/**
* 图标按钮的形状。可选值包括：
*
* * `standard`：适用于最低优先级的操作
* * `filled`：视觉效果强烈，适用于高优先级的操作
* * `tonal`：视觉效果介于 `filled` 和 `outlined` 之间，适用于中高优先级的操作
* * `outlined`：适用于中等优先级的操作
*/
this.variant = 'standard';
/**
* 是否可选中
*/
this.selectable = false;
/**
* 是否已被选中
*/
this.selected = false;
this.rippleRef = createRef();
this.hasSlotController = new HasSlotController(this, '[default]', 'selected-icon');
}
get rippleElement() {
return this.rippleRef.value;
}
onSelectedChange() {
this.emit('change');
}
firstUpdated(changedProperties) {
super.firstUpdated(changedProperties);
this.addEventListener('click', () => {
if (!this.selectable || this.disabled) {
return;
}
this.selected = !this.selected;
});
}
render() {
return html `<mdui-ripple ${ref(this.rippleRef)} .noRipple="${this.noRipple}"></mdui-ripple>${this.isButton()
? this.renderButton({
className: 'button',
part: 'button',
content: this.renderIcon(),
})
: this.disabled || this.loading
? html `<span part="button" class="button _a">${this.renderIcon()}</span>`
: this.renderAnchor({
className: 'button',
part: 'button',
content: this.renderIcon(),
})} ${this.renderLoading()}`;
}
renderIcon() {
const icon = () => this.hasSlotController.test('[default]')
? html `<slot></slot>`
: this.icon
? html `<mdui-icon part="icon" class="icon" name="${this.icon}"></mdui-icon>`
: nothingTemplate;
const selectedIcon = () => this.hasSlotController.test('selected-icon') || this.selectedIcon
? html `<slot name="selected-icon" part="selected-icon" class="selected-icon"><mdui-icon name="${this.selectedIcon}"></mdui-icon></slot>`
: icon();
return this.selected ? selectedIcon() : icon();
}
};
ButtonIcon.styles = [ButtonBase.styles, style];
__decorate([
property({ reflect: true })
], ButtonIcon.prototype, "variant", void 0);
__decorate([
property({ reflect: true })
], ButtonIcon.prototype, "icon", void 0);
__decorate([
property({ reflect: true, attribute: 'selected-icon' })
], ButtonIcon.prototype, "selectedIcon", void 0);
__decorate([
property({
type: Boolean,
reflect: true,
converter: booleanConverter,
})
], ButtonIcon.prototype, "selectable", void 0);
__decorate([
property({
type: Boolean,
reflect: true,
converter: booleanConverter,
})
], ButtonIcon.prototype, "selected", void 0);
__decorate([
watch('selected', true)
], ButtonIcon.prototype, "onSelectedChange", null);
ButtonIcon = __decorate([
customElement('mdui-button-icon')
], ButtonIcon);
export { ButtonIcon };