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{"version":3,"file":"su-tabbar-item.js","sources":["../../../../../../src/sheep/ui/su-tabbar-item/su-tabbar-item.vue","../../../../../../uniComponent:/RDovQXBwL1dvcmsvYWRkci9hY2RyLXVpL3NyYy9zaGVlcC91aS9zdS10YWJiYXItaXRlbS9zdS10YWJiYXItaXRlbS52dWU"],"sourcesContent":["<!-- 自定义底部导航项 -->\r\n<template>\r\n <view class=\"u-tabbar-item\" :style=\"[addStyle(customStyle)]\">\r\n <view v-if=\"isCenter\" class=\"tabbar-center-item\">\r\n <image class=\"center-image\" :src=\"centerImage\" mode=\"aspectFill\"></image>\r\n </view>\r\n <template v-else>\r\n <view class=\"u-tabbar-item__icon\">\r\n <image\r\n v-if=\"icon\"\r\n :name=\"icon\"\r\n :color=\"isActive ? parentData.activeColor : parentData.color\"\r\n :size=\"20\"\r\n ></image>\r\n <block v-else>\r\n <slot v-if=\"isActive\" name=\"active-icon\" />\r\n <slot v-else name=\"inactive-icon\" />\r\n </block>\r\n <!-- <u-badge\r\n\t\t\t\t\tabsolute\r\n\t\t\t\t\t:offset=\"[0, dot ? '34rpx' : badge > 9 ? '14rpx' : '20rpx']\"\r\n\t\t\t\t\t:customStyle=\"badgeStyle\"\r\n\t\t\t\t\t:isDot=\"dot\"\r\n\t\t\t\t\t:value=\"badge || (dot ? 1 : null)\"\r\n\t\t\t\t\t:show=\"dot || badge > 0\"\r\n\t\t\t\t></u-badge> -->\r\n </view>\r\n\r\n <slot name=\"text\">\r\n <text\r\n class=\"u-tabbar-item__text\"\r\n :style=\"{\r\n color: isActive ? parentData.activeColor : parentData.color,\r\n }\"\r\n >\r\n {{ text }}\r\n </text>\r\n </slot>\r\n </template>\r\n </view>\r\n</template>\r\n\r\n<script>\r\n/**\r\n * TabbarItem 底部导航栏子组件\r\n * @description 此组件提供了自定义tabbar的能力。\r\n * @property {String | Number}\tname\t\titem标签的名称，作为与u-tabbar的value参数匹配的标识符\r\n * @property {String}\t\t\ticon\t\tuView内置图标或者绝对路径的图片\r\n * @property {String | Number}\tbadge\t\t右上角的角标提示信息\r\n * @property {Boolean}\t\t\tdot\t\t\t是否显示圆点，将会覆盖badge参数（默认 false ）\r\n * @property {String}\t\t\ttext\t\t描述文本\r\n * @property {Object | String}\tbadgeStyle\t控制徽标的位置，对象或者字符串形式，可以设置top和right属性（默认 'top: 6px;right:2px;' ）\r\n * @property {Object}\t\t\tcustomStyle\t定义需要用到的外部样式\r\n *\r\n */\r\nimport { deepMerge, addStyle, sleep, $parent } from '@/sheep/helper'\r\nexport default {\r\n name: 'su-tabbar-item',\r\n props: {\r\n customStyle: {\r\n type: [Object, String],\r\n default: () => ({}),\r\n },\r\n customClass: {\r\n type: String,\r\n default: '',\r\n },\r\n // 跳转的页面路径\r\n url: {\r\n type: String,\r\n default: '',\r\n },\r\n // 页面跳转的类型\r\n linkType: {\r\n type: String,\r\n default: 'navigateTo',\r\n },\r\n // item标签的名称，作为与u-tabbar的value参数匹配的标识符\r\n name: {\r\n type: [String, Number, null],\r\n default: '',\r\n },\r\n // uView内置图标或者绝对路径的图片\r\n icon: {\r\n icon: String,\r\n default: '',\r\n },\r\n // 右上角的角标提示信息\r\n badge: {\r\n type: [String, Number, null],\r\n default: '',\r\n },\r\n // 是否显示圆点，将会覆盖badge参数\r\n dot: {\r\n type: Boolean,\r\n default: false,\r\n },\r\n // 描述文本\r\n text: {\r\n type: String,\r\n default: '',\r\n },\r\n // 控制徽标的位置，对象或者字符串形式，可以设置top和right属性\r\n badgeStyle: {\r\n type: [Object, String],\r\n default: '',\r\n },\r\n isCenter: {\r\n type: Boolean,\r\n default: false,\r\n },\r\n centerImage: {\r\n type: String,\r\n default: '',\r\n },\r\n },\r\n data() {\r\n return {\r\n isActive: false, // 是否处于激活状态\r\n addStyle,\r\n parentData: {\r\n value: null,\r\n activeColor: '',\r\n color: '',\r\n },\r\n parent: {},\r\n }\r\n },\r\n created() {\r\n this.init()\r\n },\r\n methods: {\r\n getParentData(parentName = '') {\r\n // 避免在created中去定义parent变量\r\n if (!this.parent) this.parent = {}\r\n // 这里的本质原理是，通过获取父组件实例(也即类似u-radio的父组件u-radio-group的this)\r\n // 将父组件this中对应的参数，赋值给本组件(u-radio的this)的parentData对象中对应的属性\r\n // 之所以需要这么做，是因为所有端中，头条小程序不支持通过this.parent.xxx去监听父组件参数的变化\r\n // 此处并不会自动更新子组件的数据，而是依赖父组件u-radio-group去监听data的变化，手动调用更新子组件的方法去重新获取\r\n this.parent = $parent.call(this, parentName)\r\n if (this.parent.children) {\r\n // 如果父组件的children不存在本组件的实例，才将本实例添加到父组件的children中\r\n this.parent.children.indexOf(this) === -1 && this.parent.children.push(this)\r\n }\r\n if (this.parent && this.parentData) {\r\n // 历遍parentData中的属性，将parent中的同名属性赋值给parentData\r\n Object.keys(this.parentData).map((key) => {\r\n this.parentData[key] = this.parent[key]\r\n })\r\n }\r\n },\r\n init() {\r\n // 支付宝小程序不支持provide/inject，所以使用这个方法获取整个父组件，在created定义，避免循环引用\r\n this.updateParentData()\r\n if (!this.parent) {\r\n console.log('u-tabbar-item必须搭配u-tabbar组件使用')\r\n }\r\n // 本子组件在u-tabbar的children数组中的索引\r\n const index = this.parent.children.indexOf(this)\r\n // 判断本组件的name(如果没有定义name，就用index索引)是否等于父组件的value参数\r\n this.isActive = (this.name.split('?')[0] || index) === this.parentData.value\r\n },\r\n updateParentData() {\r\n // 此方法在mixin中\r\n this.getParentData('su-tabbar')\r\n },\r\n // 此方法将会被父组件u-tabbar调用\r\n updateFromParent() {\r\n // 重新初始化\r\n this.init()\r\n },\r\n clickHandler() {\r\n this.$nextTick(() => {\r\n const index = this.parent.children.indexOf(this)\r\n const name = this.name || index\r\n // 点击的item为非激活的item才发出change事件\r\n if (name !== this.parent.value) {\r\n this.parent.$emit('change', name)\r\n }\r\n this.$emit('click', name)\r\n })\r\n },\r\n },\r\n}\r\n</script>\r\n\r\n<style lang=\"scss\" scoped>\r\n \r\n.tabbar-center-item {\r\n position: absolute;\r\n z-index: 2;\r\n display: flex;\r\n align-items: center;\r\n justify-content: center;\r\n width: 40px;\r\n height: 40px;\r\n background-color: rebeccapurple;\r\n border-radius: 50%;\r\n transform: scale(1.3) translateY(-6px);\r\n\r\n .center-image {\r\n width: 25px;\r\n height: 25px;\r\n }\r\n}\r\n.u-tabbar-item {\r\n position: relative;\r\n z-index: 1;\r\n display: flex;\r\n flex: 1;\r\n flex-direction: column;\r\n align-items: center;\r\n justify-content: center;\r\n\r\n &__icon {\r\n position: relative;\r\n display: flex;\r\n justify-content: center;\r\n width: 150rpx;\r\n }\r\n\r\n &__text {\r\n margin-top: 2px;\r\n font-size: 12px;\r\n color: var(--textSize);\r\n }\r\n}\r\n/* #ifdef MP */\r\n// 由于小程序都使用shadow DOM形式实现，需要给影子宿主设置flex: 1才能让其撑开\r\n:host {\r\n flex: 1;\r\n}\r\n/* #endif 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