iter(g55): 新增 checkboxGroup 多选组组件
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@@ -0,0 +1,60 @@
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import { effect, h, signal } from '@ui-arch/frame';
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import type { Signal } from '@ui-arch/frame';
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import type { CheckboxGroupProps } from './types.js';
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/*** 多选组:value 数组信号双向绑定,min/max 用「禁用边界」而非报错,可选全选行(含半选) ***/
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export function checkboxGroup(props: CheckboxGroupProps): HTMLElement {
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// —— 状态集中声明 ——
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const value: Signal<string[]> = props.value ?? signal<string[]>([]); // 选中值
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const inputs: HTMLInputElement[] = []; // 各选项勾选框
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const dir = props.direction ?? 'horizontal'; // 排列方向
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const usable = props.options.filter((o) => !o.disabled); // 可勾选项(全选基数)
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/*** 整组禁用:布尔直接取,信号在此读取以纳入 effect 依赖 ***/
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const groupOff = (): boolean => (typeof props.disabled === 'function' ? props.disabled() : props.disabled === true);
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/*** 变更落库:写信号 + 回调,边界不在此处拒绝——由 sync 提前禁用越界选项 ***/
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const update = (next: string[]): void => {
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value(next);
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props.onChange?.([...next]);
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};
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const all = h('input', { type: 'checkbox', class: 'ua-checkbox', 'aria-label': '全选' }) as HTMLInputElement;
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all.addEventListener('change', () => {
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update(all.checked ? usable.map((o) => o.value) : []); // 全选只覆盖未禁用项
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});
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const rows = props.options.map((opt) => {
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const input = h('input', { type: 'checkbox', class: 'ua-checkbox' }) as HTMLInputElement;
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input.value = opt.value;
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input.addEventListener('change', () => {
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const cur = new Set(value());
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input.checked ? cur.add(opt.value) : cur.delete(opt.value); // 用户操作写回
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update([...cur]);
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});
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inputs.push(input);
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return h('label', { class: 'ua-check-row' }, input, opt.label);
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});
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/*** 同步勾选与可见可用性:到上限禁用未选项、到下限禁用已选项(不改值只锁操作) ***/
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const sync = (): void => {
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const cur = value();
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const off = groupOff();
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const atMax = props.max != null && cur.length >= props.max;
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const atMin = props.min != null && cur.length <= props.min;
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props.options.forEach((opt, i) => {
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const input = inputs[i];
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const on = cur.includes(opt.value);
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input.checked = on;
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input.disabled = off || opt.disabled === true || (on ? atMin : atMax); // 边界项锁死,避免越界
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});
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const picked = usable.filter((o) => cur.includes(o.value)).length;
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all.checked = picked > 0 && picked === usable.length;
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all.indeterminate = picked > 0 && picked < usable.length; // 半选:部分已选
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all.disabled = off || (picked === usable.length && atMin); // 全选行同样受边界约束
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};
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effect(sync);
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const body = h('div', { class: `ua-check-group ua-check-group-${dir}` }, ...(props.checkAll ? [h('label', { class: 'ua-check-row' }, all, '全选')] : []), ...rows);
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return h('div', { class: 'ua-checkbox-group', role: 'group' }, body) as HTMLElement;
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}
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@@ -5,6 +5,7 @@ export { inputNumber } from './inputNumber.js';
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export { textarea } from './textarea.js';
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export { slider } from './slider.js';
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export { checkbox } from './checkbox.js';
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export { checkboxGroup } from './checkboxGroup.js';
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export { switchButton } from './switch.js';
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export { select } from './select.js';
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export { menu } from './menu.js';
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@@ -600,4 +600,23 @@ export interface WatermarkProps {
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color?: string; // 颜色(CSS 串或令牌名);缺省取 --ua-color-text-muted 的实色
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}
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/*** 多选组选项 ***/
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export interface CheckOption {
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value: string; // 选项值
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label: string; // 显示文案
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disabled?: boolean; // 单项禁用:不可勾选,也不计入全选
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}
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/*** 多选组入参 ***/
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export interface CheckboxGroupProps {
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options: CheckOption[]; // 选项集合
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value?: Signal<string[]>; // 选中值数组信号;不传则内部维护
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min?: number; // 最少选几项:到下限后已选项禁用,防止取消
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max?: number; // 最多选几项:到上限后未选项禁用
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checkAll?: boolean; // 是否显示全选行(含半选);缺省 false
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direction?: 'horizontal' | 'vertical'; // 排列方向;缺省 horizontal
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disabled?: boolean | Signal<boolean>; // 整组禁用
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onChange?: (values: string[]) => void; // 变更回调(传副本)
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}
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export type { ColumnDef, RowKey }; // 再导出常用内核类型,方便调用方
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@@ -67,7 +67,8 @@
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"backTop(props):返回顶部悬浮按钮,越过阈值才浮现,外环 conic-gradient 显示已滚比例,点击平滑回顶",
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"colorPicker(props):颜色选择,预设色板(缺省语义令牌色)+ 原生取色器 + 手输 CSS 颜色串,value 为颜色串信号",
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"tour(props):引导漫游,返回 { el, start, close } 句柄;聚光框按 target 选择器定位,卡片自动选方位,Esc / 跳过走 onClose",
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"watermark(props, ...children):内容容器 + 平铺水印覆盖层,canvas 生成单元、颜色取自令牌,覆盖层不挡交互"
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"watermark(props, ...children):内容容器 + 平铺水印覆盖层,canvas 生成单元、颜色取自令牌,覆盖层不挡交互",
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"checkboxGroup(props):多选组,value 为数组信号,min/max 用禁用边界项实现(不抛错),checkAll 支持半选且只统计未禁用项"
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],
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"keyTypes": [
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"ButtonProps",
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@@ -2332,6 +2333,61 @@
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"color 传 var(--ua-*) 时会先解析成计算值(canvas 不认 CSS 变量),所以暗色主题下颜色会自动跟随",
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"覆盖层为 pointer-events:none,下方按钮/输入框照常可点;watermark 根节点自带圆角与裁剪"
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]
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},
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{
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"id": "checkboxGroup",
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"title": "多选组 CheckboxGroup",
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"demo": "sec-checkgroup",
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"props": [
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{
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"n": "options",
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"t": "CheckOption[]",
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"r": 1,
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"d": "选项集合:value / label / 可选 disabled"
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},
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{
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"n": "value",
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"t": "Signal<string[]>",
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"d": "选中值数组信号;不传则内部维护"
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},
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{
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"n": "min",
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"t": "number",
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"d": "最少选几项:到下限后已选项禁用,防止取消"
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},
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{
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"n": "max",
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"t": "number",
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"d": "最多选几项:到上限后未选项禁用"
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},
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{
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"n": "checkAll",
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"t": "boolean",
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"d": "是否显示全选行(含半选);缺省 false"
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},
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{
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"n": "direction",
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"t": "'horizontal' | 'vertical'",
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"d": "排列方向;缺省 horizontal"
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},
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{
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"n": "disabled",
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"t": "boolean | Signal<boolean>",
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"d": "整组禁用"
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},
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{
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"n": "onChange",
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"t": "(values: string[]) => void",
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"d": "变更回调(传副本)"
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}
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],
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"example": "checkboxGroup({ value: permPick, min: 1, max: 3, checkAll: true, options: [{ value: 'read', label: '读取' }, { value: 'write', label: '写入' }] })",
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"steps": [
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"options 顺序即渲染顺序;勾选后把整份数组写回 value 信号并触发 onChange",
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"max 生效时未选项自动禁用,min 生效时已选项自动禁用——用禁用表达边界,不抛错也不静默回滚",
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"checkAll 行的选中/半选只统计未禁用项,禁用项不计入基数",
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"direction 传 vertical 改为纵向排列;disabled 支持信号,整组响应式禁用"
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]
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}
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]
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}
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@@ -3239,3 +3239,14 @@ button.ua-step-dot:hover {
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background-repeat: repeat;
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background-position: 0 0;
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}
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.ua-check-group {
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display: flex;
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flex-wrap: wrap;
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align-items: center;
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gap: var(--ua-space-2);
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}
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.ua-check-group-vertical {
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flex-direction: column;
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align-items: flex-start;
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gap: var(--ua-space-1);
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}
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