From f30225b32aaff3f9593f713e980cf566b7829ec6 Mon Sep 17 00:00:00 2001
From: jiannibang <271381693@qq.com>
Date: Wed, 18 Jan 2023 14:06:16 +0800
Subject: [PATCH] =?UTF-8?q?feat:=20=E6=94=AF=E6=8C=81=E6=B0=94=E6=B3=A1?=
 =?UTF-8?q?=E5=B1=95=E7=A4=BA=E6=BB=9A=E5=8A=A8=E5=88=97=E8=A1=A8=E5=BD=93?=
 =?UTF-8?q?=E5=89=8D=E9=A1=B9=E7=9B=AE?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 src/base/ScrollView/ScrollView.vue            |  5 --
 src/components/BrandScroll/BrandScroll.vue    | 74 ++++++++++++++++---
 .../BrandScroll/getTranslateValues.js         | 38 ++++++++++
 src/views/Guide/Guide.vue                     |  4 +-
 4 files changed, 103 insertions(+), 18 deletions(-)
 create mode 100644 src/components/BrandScroll/getTranslateValues.js

diff --git a/src/base/ScrollView/ScrollView.vue b/src/base/ScrollView/ScrollView.vue
index 88ba47a..9114d48 100644
--- a/src/base/ScrollView/ScrollView.vue
+++ b/src/base/ScrollView/ScrollView.vue
@@ -41,10 +41,6 @@ const props = defineProps({
   autoTop: {
     type: Boolean,
     default: true
-  },
-  indicators: {
-    type: Object,
-    default: undefined
   }
 })
 
@@ -68,7 +64,6 @@ function _initScroll() {
     observeImage: props.observeImage,
     probeType: props.probeType,
     indicators: document.getElementById('indicator') ? [{ relationElement: document.getElementById('indicator'), relationElementHandleElementIndex: 0 }] : undefined
-    // ...(props.indicators ? { indicators: props.indicators } : {})
   })
 }
 
diff --git a/src/components/BrandScroll/BrandScroll.vue b/src/components/BrandScroll/BrandScroll.vue
index 623edc0..809efae 100644
--- a/src/components/BrandScroll/BrandScroll.vue
+++ b/src/components/BrandScroll/BrandScroll.vue
@@ -1,12 +1,17 @@
 <template>
-  <ScrollView
-    ref="scroll"
-    :indicators="!indicatorWrapper ? undefined : [{ relationElement: indicatorWrapper, relationElementHandleElementIndex: 0 }]"
-    :class="['brand-scroll', $route.path === '/guide' ? 'guide' : 'brand']"
-    scrollbar
-  >
-    <div class="brand-content">
-      <div class="groups" v-for="item of list" v-show="item.shopList.length" :key="item.name">
+  <ScrollView ref="scroll" :class="['brand-scroll', $route.path === '/guide' ? 'guide' : 'brand']" scrollbar>
+    <div class="brand-content" ref="content">
+      <div
+        class="groups"
+        v-for="(item, i) of list"
+        :ref="
+          el => {
+            groups[i] = el
+          }
+        "
+        v-show="item.shopList.length"
+        :key="item.name"
+      >
         <h1 class="info">
           {{ item.name }}<span class="meta">/ {{ item.shopList.length }}个</span>
           <span v-if="item.name === currentFloor.floor" class="current" id="current">您在本层</span>
@@ -26,22 +31,57 @@
         </TransitionGroup>
       </div>
     </div>
-    <!-- <div class="indicator" id="indicator" ref="indicatorWrapper">
-      <div class="handle"></div>
-    </div> -->
+    <div class="indicator" :style="{ visibility: hasScollBar ? 'visible' : 'hidden' }" id="indicator" ref="indicatorWrapper">
+      <div class="handle">{{ list[indicatorIndex]?.name }}</div>
+    </div>
   </ScrollView>
 </template>
 
 <script setup>
-import { ref, nextTick, watch } from 'vue'
+import { ref, nextTick, watch, computed } from 'vue'
 import ShopItem from '@/base/ShopItem/ShopItem.vue'
 import ScrollView from '@/base/ScrollView/ScrollView.vue'
 import { storeToRefs } from 'pinia'
 import { useStore } from '@/store/root'
+import { useElementSize, useMutationObserver } from '@vueuse/core'
+import { getTranslateValues } from './getTranslateValues'
+
 const store = useStore()
 const { currentFloor } = storeToRefs(store)
 const indicatorWrapper = ref(null)
 const scroll = ref(null)
+const content = ref(null)
+const groups = ref([])
+const { height: containerHeight } = useElementSize(scroll)
+
+const { height: contentHeight } = useElementSize(content)
+const hasScollBar = computed(() => containerHeight.value < contentHeight.value)
+const heights = computed(() => groups.value.map(useElementSize).map(({ height }) => height))
+const bounds = computed(() =>
+  heights.value.reduce((acc, nxt, i) => {
+    const arr = [...acc]
+    arr[i] = i === 0 ? nxt.value : arr[i - 1] + nxt.value
+    return arr
+  }, [])
+)
+const y = ref(0)
+
+const indicatorIndex = computed(() =>
+  bounds.value.findIndex((el, i) => {
+    const start = 40 - y.value
+    if (i === 0 && start < el) return true
+    return start > bounds.value[i - 1] && start < el
+  })
+)
+useMutationObserver(
+  content,
+  ([{ attributeName, target }]) => {
+    if (attributeName === 'style') y.value = getTranslateValues(target).y
+  },
+  {
+    attributes: true
+  }
+)
 const props = defineProps({
   list: Array,
   config: Object,
@@ -55,6 +95,7 @@ const emits = defineEmits(['click'])
 function handleShop(item) {
   emits('click', item)
 }
+
 watch(
   () => props.isRow,
   () =>
@@ -106,11 +147,19 @@ watch([scroll, () => props.shop], () => {
     top: 102px;
     right: 43px;
     width: 77px;
+    pointer-events: none;
     .handle {
       position: absolute;
       width: 77px;
       height: 32px;
       background: center / cover no-repeat url(./handle.png);
+      font-family: 'Montserrat';
+      font-style: normal;
+      font-weight: 700;
+      font-size: 14px;
+      line-height: 32px;
+      color: rgba(0, 0, 0, 0.8);
+      text-align: center;
     }
   }
   &.guide {
@@ -146,6 +195,7 @@ watch([scroll, () => props.shop], () => {
       background: #ffffff !important;
       border-radius: 6px !important;
       border: none !important;
+      margin-top: -50%;
     }
   }
 }
diff --git a/src/components/BrandScroll/getTranslateValues.js b/src/components/BrandScroll/getTranslateValues.js
new file mode 100644
index 0000000..d6bddb7
--- /dev/null
+++ b/src/components/BrandScroll/getTranslateValues.js
@@ -0,0 +1,38 @@
+export function getTranslateValues(element) {
+  const style = window.getComputedStyle(element)
+  const matrix = style['transform'] || style.webkitTransform || style.mozTransform
+
+  // No transform property. Simply return 0 values.
+  if (matrix === 'none' || typeof matrix === 'undefined') {
+    return {
+      x: 0,
+      y: 0,
+      z: 0
+    }
+  }
+
+  // Can either be 2d or 3d transform
+  const matrixType = matrix.includes('3d') ? '3d' : '2d'
+  const matrixValues = matrix.match(/matrix.*\((.+)\)/)[1].split(', ')
+
+  // 2d matrices have 6 values
+  // Last 2 values are X and Y.
+  // 2d matrices does not have Z value.
+  if (matrixType === '2d') {
+    return {
+      x: matrixValues[4],
+      y: matrixValues[5],
+      z: 0
+    }
+  }
+
+  // 3d matrices have 16 values
+  // The 13th, 14th, and 15th values are X, Y, and Z
+  if (matrixType === '3d') {
+    return {
+      x: matrixValues[12],
+      y: matrixValues[13],
+      z: matrixValues[14]
+    }
+  }
+}
diff --git a/src/views/Guide/Guide.vue b/src/views/Guide/Guide.vue
index 446ad69..c0c273d 100644
--- a/src/views/Guide/Guide.vue
+++ b/src/views/Guide/Guide.vue
@@ -226,7 +226,9 @@ function filterAboutCurrentInfo() {
   const floorOrder = shop.value ? shop.value.floorOrder : currentFloor.value.floorOrder
   try {
     window.Map_QM.showFloor(floorOrder)
-  } catch (error) {}
+  } catch (error) {
+    console.warn(error)
+  }
   floorIdx.value = currentBuildingFloorsList.value.findIndex(item => item.floorCode === floorCode)
   selectedShopList.value = shopList.value.map(brand => ({
     ...brand,