u-popup.vue 12 KB

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  1. <template>
  2. <view v-if="visibleSync" :style="[customStyle, {
  3. zIndex: uZindex - 1
  4. }]" class="u-drawer" hover-stop-propagation>
  5. <u-mask :blur="blur" :duration="duration" :custom-style="maskCustomStyle" :maskClickAble="maskCloseAble" :z-index="uZindex - 2" :show="showDrawer && mask" @click="maskClick"></u-mask>
  6. <!-- 移除 @tap.stop.prevent -->
  7. <view
  8. class="u-drawer-content"
  9. @tap="modeCenterClose(mode)"
  10. :class="[
  11. safeAreaInsetBottom ? 'safe-area-inset-bottom' : '',
  12. 'u-drawer-' + mode,
  13. showDrawer ? 'u-drawer-content-visible' : '',
  14. zoom && mode == 'center' ? 'u-animation-zoom' : ''
  15. ]"
  16. @touchmove.stop.prevent
  17. :style="[style]"
  18. >
  19. <view class="u-mode-center-box" @tap.stop.prevent @touchmove.stop.prevent v-if="mode == 'center'" :style="[centerStyle]">
  20. <view v-if="closeable" @tap="close" class="u-close" :class="['u-close--' + closeIconPos]">
  21. <u-icon
  22. :name="closeIcon"
  23. :color="closeIconColor"
  24. :size="closeIconSize"
  25. ></u-icon>
  26. </view>
  27. <scroll-view class="u-drawer__scroll-view" scroll-y="true">
  28. <slot></slot>
  29. </scroll-view>
  30. </view>
  31. <scroll-view class="u-drawer__scroll-view" scroll-y="true" v-else>
  32. <slot></slot>
  33. </scroll-view>
  34. <view @tap="close" class="u-close" :class="['u-close--' + closeIconPos]">
  35. <u-icon
  36. v-if="mode != 'center' && closeable"
  37. :name="closeIcon"
  38. :color="closeIconColor"
  39. :size="closeIconSize"
  40. ></u-icon>
  41. </view>
  42. </view>
  43. </view>
  44. </template>
  45. <script>
  46. /**
  47. * popup 弹窗
  48. * @description 弹出层容器,用于展示弹窗、信息提示等内容,支持上、下、左、右和中部弹出。组件只提供容器,内部内容由用户自定义
  49. * @tutorial https://www.uviewui.com/components/popup.html
  50. * @property {String} mode 弹出方向(默认left)
  51. * @property {Boolean} mask 是否显示遮罩(默认true)
  52. * @property {Stringr | Number} length mode=left | 见官网说明(默认auto)
  53. * @property {Boolean} zoom 是否开启缩放动画,只在mode为center时有效(默认true)
  54. * @property {Boolean} safe-area-inset-bottom 是否开启底部安全区适配(默认false)
  55. * @property {Boolean} mask-close-able 点击遮罩是否可以关闭弹出层(默认true)
  56. * @property {Object} custom-style 用户自定义样式
  57. * @property {Stringr | Number} negative-top 中部弹出时,往上偏移的值
  58. * @property {Numberr | String} border-radius 弹窗圆角值(默认0)
  59. * @property {Numberr | String} z-index 弹出内容的z-index值(默认1075)
  60. * @property {Boolean} closeable 是否显示关闭图标(默认false)
  61. * @property {String} close-icon 关闭图标的名称,只能uView的内置图标
  62. * @property {String} close-icon-pos 自定义关闭图标位置(默认top-right)
  63. * @property {String} close-icon-color 关闭图标的颜色(默认#909399)
  64. * @property {Number | String} close-icon-size 关闭图标的大小,单位rpx(默认30)
  65. * @event {Function} open 弹出层打开
  66. * @event {Function} close 弹出层收起
  67. * @example <u-popup v-model="show"><view>出淤泥而不染,濯清涟而不妖</view></u-popup>
  68. */
  69. export default {
  70. name: 'u-popup',
  71. emits: ["update:modelValue", "input", "open", "close"],
  72. props: {
  73. value: {
  74. type: Boolean,
  75. default: false
  76. },
  77. modelValue: {
  78. type: Boolean,
  79. default: false
  80. },
  81. /**
  82. * 显示状态
  83. */
  84. show: {
  85. type: Boolean,
  86. default: false
  87. },
  88. /**
  89. * 弹出方向,left|right|top|bottom|center
  90. */
  91. mode: {
  92. type: String,
  93. default: 'left'
  94. },
  95. /**
  96. * 是否显示遮罩
  97. */
  98. mask: {
  99. type: Boolean,
  100. default: true
  101. },
  102. // 抽屉的宽度(mode=left|right),或者高度(mode=top|bottom),单位rpx,或者"auto"
  103. // 或者百分比"50%",表示由内容撑开高度或者宽度
  104. length: {
  105. type: [Number, String],
  106. default: 'auto'
  107. },
  108. // 是否开启缩放动画,只在mode=center时有效
  109. zoom: {
  110. type: Boolean,
  111. default: true
  112. },
  113. // 是否开启底部安全区适配,开启的话,会在iPhoneX机型底部添加一定的内边距
  114. safeAreaInsetBottom: {
  115. type: Boolean,
  116. default: false
  117. },
  118. // 是否可以通过点击遮罩进行关闭
  119. maskCloseAble: {
  120. type: Boolean,
  121. default: true
  122. },
  123. // 用户自定义样式
  124. customStyle: {
  125. type: Object,
  126. default() {
  127. return {};
  128. }
  129. },
  130. // 此为内部参数,不在文档对外使用,为了解决Picker和keyboard等融合了弹窗的组件
  131. // 对v-model双向绑定多层调用造成报错不能修改props值的问题
  132. popup: {
  133. type: Boolean,
  134. default: true
  135. },
  136. // 显示显示弹窗的圆角,单位rpx
  137. borderRadius: {
  138. type: [Number, String],
  139. default: 0
  140. },
  141. zIndex: {
  142. type: [Number, String],
  143. default: ''
  144. },
  145. // 是否显示关闭图标
  146. closeable: {
  147. type: Boolean,
  148. default: false
  149. },
  150. // 关闭图标的名称,只能uView的内置图标
  151. closeIcon: {
  152. type: String,
  153. default: 'close'
  154. },
  155. // 自定义关闭图标位置,top-left为左上角,top-right为右上角,bottom-left为左下角,bottom-right为右下角
  156. closeIconPos: {
  157. type: String,
  158. default: 'top-right'
  159. },
  160. // 关闭图标的颜色
  161. closeIconColor: {
  162. type: String,
  163. default: '#909399'
  164. },
  165. // 关闭图标的大小,单位rpx
  166. closeIconSize: {
  167. type: [String, Number],
  168. default: '30'
  169. },
  170. // 宽度,只对左,右,中部弹出时起作用,单位rpx,或者"auto"
  171. // 或者百分比"50%",表示由内容撑开高度或者宽度,优先级高于length参数
  172. width: {
  173. type: String,
  174. default: ''
  175. },
  176. // 高度,只对上,下,中部弹出时起作用,单位rpx,或者"auto"
  177. // 或者百分比"50%",表示由内容撑开高度或者宽度,优先级高于length参数
  178. height: {
  179. type: String,
  180. default: ''
  181. },
  182. // 给一个负的margin-top,往上偏移,避免和键盘重合的情况,仅在mode=center时有效
  183. negativeTop: {
  184. type: [String, Number],
  185. default: 0
  186. },
  187. // 遮罩的样式,一般用于修改遮罩的透明度
  188. maskCustomStyle: {
  189. type: Object,
  190. default() {
  191. return {}
  192. }
  193. },
  194. // 遮罩打开或收起的动画过渡时间,单位ms
  195. duration: {
  196. type: [String, Number],
  197. default: 250
  198. },
  199. // 遮罩的模糊度
  200. blur: {
  201. type: [String, Number],
  202. default: 0
  203. },
  204. },
  205. data() {
  206. return {
  207. visibleSync: false,
  208. showDrawer: false,
  209. timer: null,
  210. closeFromInner: false, // value的值改变,是发生在内部还是外部
  211. };
  212. },
  213. computed: {
  214. valueCom(){
  215. // #ifndef VUE3
  216. return this.value;
  217. // #endif
  218. // #ifdef VUE3
  219. return this.modelValue;
  220. // #endif
  221. },
  222. // 根据mode的位置,设定其弹窗的宽度(mode = left|right),或者高度(mode = top|bottom)
  223. style() {
  224. let style = {};
  225. // 如果是左边或者上边弹出时,需要给translate设置为负值,用于隐藏
  226. if (this.mode == 'left' || this.mode == 'right') {
  227. style = {
  228. width: this.width ? this.getUnitValue(this.width) : this.getUnitValue(this.length),
  229. height: '100%',
  230. transform: `translate3D(${this.mode == 'left' ? '-100%' : '100%'},0px,0px)`
  231. };
  232. } else if (this.mode == 'top' || this.mode == 'bottom') {
  233. style = {
  234. width: '100%',
  235. height: this.height ? this.getUnitValue(this.height) : this.getUnitValue(this.length),
  236. transform: `translate3D(0px,${this.mode == 'top' ? '-100%' : '100%'},0px)`
  237. };
  238. }
  239. style.zIndex = this.uZindex;
  240. // 如果用户设置了borderRadius值,添加弹窗的圆角
  241. if (this.borderRadius) {
  242. switch (this.mode) {
  243. case 'left':
  244. style.borderRadius = `0 ${this.borderRadius}rpx ${this.borderRadius}rpx 0`;
  245. break;
  246. case 'top':
  247. style.borderRadius = `0 0 ${this.borderRadius}rpx ${this.borderRadius}rpx`;
  248. break;
  249. case 'right':
  250. style.borderRadius = `${this.borderRadius}rpx 0 0 ${this.borderRadius}rpx`;
  251. break;
  252. case 'bottom':
  253. style.borderRadius = `${this.borderRadius}rpx ${this.borderRadius}rpx 0 0`;
  254. break;
  255. default:
  256. }
  257. // 不加可能圆角无效
  258. style.overflow = 'hidden';
  259. }
  260. if(this.duration) style.transition = `all ${this.duration / 1000}s linear`;
  261. return style;
  262. },
  263. // 中部弹窗的特有样式
  264. centerStyle() {
  265. let style = {};
  266. style.width = this.width ? this.getUnitValue(this.width) : this.getUnitValue(this.length);
  267. // 中部弹出的模式,如果没有设置高度,就用auto值,由内容撑开高度
  268. style.height = this.height ? this.getUnitValue(this.height) : 'auto';
  269. style.zIndex = this.uZindex;
  270. style.marginTop = `-${this.$u.addUnit(this.negativeTop)}`;
  271. if (this.borderRadius) {
  272. style.borderRadius = `${this.borderRadius}rpx`;
  273. // 不加可能圆角无效
  274. style.overflow = 'hidden';
  275. }
  276. return style;
  277. },
  278. // 计算整理后的z-index值
  279. uZindex() {
  280. return this.zIndex ? this.zIndex : this.$u.zIndex.popup;
  281. }
  282. },
  283. watch: {
  284. valueCom:{
  285. immediate: true,
  286. handler(val){
  287. if (val) {
  288. this.open();
  289. } else if(!this.closeFromInner) {
  290. this.close();
  291. }
  292. this.closeFromInner = false;
  293. }
  294. }
  295. },
  296. mounted() {
  297. // 组件渲染完成时,检查value是否为true,如果是,弹出popup
  298. this.valueCom && this.open();
  299. },
  300. methods: {
  301. // 判断传入的值,是否带有单位,如果没有,就默认用rpx单位
  302. getUnitValue(val) {
  303. if(/(%|px|rpx|auto)$/.test(val)) return val;
  304. else return val + 'rpx'
  305. },
  306. // 遮罩被点击
  307. maskClick() {
  308. this.close();
  309. },
  310. close() {
  311. // 标记关闭是内部发生的,否则修改了value值,导致watch中对value检测,导致再执行一遍close
  312. // 造成@close事件触发两次
  313. this.closeFromInner = true;
  314. this.change('showDrawer', 'visibleSync', false);
  315. },
  316. // 中部弹出时,需要.u-drawer-content将居中内容,此元素会铺满屏幕,点击需要关闭弹窗
  317. // 让其只在mode=center时起作用
  318. modeCenterClose(mode) {
  319. if (mode != 'center' || !this.maskCloseAble) return;
  320. this.close();
  321. },
  322. open() {
  323. this.change('visibleSync', 'showDrawer', true);
  324. },
  325. // 此处的原理是,关闭时先通过动画隐藏弹窗和遮罩,再移除整个组件
  326. // 打开时,先渲染组件,延时一定时间再让遮罩和弹窗的动画起作用
  327. change(param1, param2, status) {
  328. // 如果this.popup为false,意味着为picker,actionsheet等组件调用了popup组件
  329. if (this.popup == true) {
  330. this.$emit('input', status);
  331. this.$emit("update:modelValue", status);
  332. }
  333. this[param1] = status;
  334. if(status) {
  335. // #ifdef H5 || MP
  336. this.timer = setTimeout(() => {
  337. this[param2] = status;
  338. this.$emit(status ? 'open' : 'close');
  339. }, 50);
  340. // #endif
  341. // #ifndef H5 || MP
  342. this.$nextTick(() => {
  343. this[param2] = status;
  344. this.$emit(status ? 'open' : 'close');
  345. })
  346. // #endif
  347. } else {
  348. this.timer = setTimeout(() => {
  349. this[param2] = status;
  350. this.$emit(status ? 'open' : 'close');
  351. }, this.duration);
  352. }
  353. }
  354. }
  355. };
  356. </script>
  357. <style scoped lang="scss">
  358. @import "../../libs/css/style.components.scss";
  359. .u-drawer {
  360. /* #ifndef APP-NVUE */
  361. display: block;
  362. /* #endif */
  363. position: fixed;
  364. top: 0;
  365. left: 0;
  366. right: 0;
  367. bottom: 0;
  368. overflow: hidden;
  369. }
  370. .u-drawer-content {
  371. /* #ifndef APP-NVUE */
  372. display: block;
  373. /* #endif */
  374. position: absolute;
  375. z-index: 1003;
  376. transition: all 0.25s linear;
  377. }
  378. .u-drawer__scroll-view {
  379. width: 100%;
  380. height: 100%;
  381. }
  382. .u-drawer-left {
  383. top: 0;
  384. bottom: 0;
  385. left: 0;
  386. background-color: #ffffff;
  387. }
  388. .u-drawer-right {
  389. right: 0;
  390. top: 0;
  391. bottom: 0;
  392. background-color: #ffffff;
  393. }
  394. .u-drawer-top {
  395. top: 0;
  396. left: 0;
  397. right: 0;
  398. background-color: #ffffff;
  399. }
  400. .u-drawer-bottom {
  401. bottom: 0;
  402. left: 0;
  403. right: 0;
  404. background-color: #ffffff;
  405. }
  406. .u-drawer-center {
  407. @include vue-flex;
  408. flex-direction: column;
  409. bottom: 0;
  410. left: 0;
  411. right: 0;
  412. top: 0;
  413. justify-content: center;
  414. align-items: center;
  415. opacity: 0;
  416. z-index: 99999;
  417. }
  418. .u-mode-center-box {
  419. min-width: 100rpx;
  420. min-height: 100rpx;
  421. /* #ifndef APP-NVUE */
  422. display: block;
  423. /* #endif */
  424. position: relative;
  425. background-color: #ffffff;
  426. }
  427. .u-drawer-content-visible.u-drawer-center {
  428. transform: scale(1);
  429. opacity: 1;
  430. }
  431. .u-animation-zoom {
  432. transform: scale(1.15);
  433. }
  434. .u-drawer-content-visible {
  435. transform: translate3D(0px, 0px, 0px) !important;
  436. }
  437. .u-close {
  438. position: absolute;
  439. z-index: 3;
  440. }
  441. .u-close--top-left {
  442. top: 30rpx;
  443. left: 30rpx;
  444. }
  445. .u-close--top-right {
  446. top: 30rpx;
  447. right: 30rpx;
  448. }
  449. .u-close--bottom-left {
  450. bottom: 30rpx;
  451. left: 30rpx;
  452. }
  453. .u-close--bottom-right {
  454. right: 30rpx;
  455. bottom: 30rpx;
  456. }
  457. </style>