|
@@ -1,94 +1,94 @@
|
|
|
-<template>
|
|
|
- <el-scrollbar ref="scrollContainer" :vertical="false" class="scroll-container" @wheel.native.prevent="handleScroll">
|
|
|
- <slot />
|
|
|
- </el-scrollbar>
|
|
|
-</template>
|
|
|
-
|
|
|
-<script>
|
|
|
-const tagAndTagSpacing = 4 // tagAndTagSpacing
|
|
|
-
|
|
|
-export default {
|
|
|
- name: 'ScrollPane',
|
|
|
- data() {
|
|
|
- return {
|
|
|
- left: 0
|
|
|
- }
|
|
|
- },
|
|
|
- computed: {
|
|
|
- scrollWrapper() {
|
|
|
- return this.$refs.scrollContainer.$refs.wrap
|
|
|
- }
|
|
|
- },
|
|
|
- mounted() {
|
|
|
- this.scrollWrapper.addEventListener('scroll', this.emitScroll, true)
|
|
|
- },
|
|
|
- beforeDestroy() {
|
|
|
- this.scrollWrapper.removeEventListener('scroll', this.emitScroll)
|
|
|
- },
|
|
|
- methods: {
|
|
|
- handleScroll(e) {
|
|
|
- const eventDelta = e.wheelDelta || -e.deltaY * 40
|
|
|
- const $scrollWrapper = this.scrollWrapper
|
|
|
- $scrollWrapper.scrollLeft = $scrollWrapper.scrollLeft + eventDelta / 4
|
|
|
- },
|
|
|
- emitScroll() {
|
|
|
- this.$emit('scroll')
|
|
|
- },
|
|
|
- moveToTarget(currentTag) {
|
|
|
- const $container = this.$refs.scrollContainer.$el
|
|
|
- const $containerWidth = $container.offsetWidth
|
|
|
- const $scrollWrapper = this.scrollWrapper
|
|
|
- const tagList = this.$parent.$refs.tag
|
|
|
-
|
|
|
- let firstTag = null
|
|
|
- let lastTag = null
|
|
|
-
|
|
|
- // find first tag and last tag
|
|
|
- if (tagList.length > 0) {
|
|
|
- firstTag = tagList[0]
|
|
|
- lastTag = tagList[tagList.length - 1]
|
|
|
- }
|
|
|
-
|
|
|
- if (firstTag === currentTag) {
|
|
|
- $scrollWrapper.scrollLeft = 0
|
|
|
- } else if (lastTag === currentTag) {
|
|
|
- $scrollWrapper.scrollLeft = $scrollWrapper.scrollWidth - $containerWidth
|
|
|
- } else {
|
|
|
- // find preTag and nextTag
|
|
|
- const currentIndex = tagList.findIndex(item => item === currentTag)
|
|
|
- const prevTag = tagList[currentIndex - 1]
|
|
|
- const nextTag = tagList[currentIndex + 1]
|
|
|
-
|
|
|
- // the tag's offsetLeft after of nextTag
|
|
|
- const afterNextTagOffsetLeft = nextTag.$el.offsetLeft + nextTag.$el.offsetWidth + tagAndTagSpacing
|
|
|
-
|
|
|
- // the tag's offsetLeft before of prevTag
|
|
|
- const beforePrevTagOffsetLeft = prevTag.$el.offsetLeft - tagAndTagSpacing
|
|
|
-
|
|
|
- if (afterNextTagOffsetLeft > $scrollWrapper.scrollLeft + $containerWidth) {
|
|
|
- $scrollWrapper.scrollLeft = afterNextTagOffsetLeft - $containerWidth
|
|
|
- } else if (beforePrevTagOffsetLeft < $scrollWrapper.scrollLeft) {
|
|
|
- $scrollWrapper.scrollLeft = beforePrevTagOffsetLeft
|
|
|
- }
|
|
|
- }
|
|
|
- }
|
|
|
- }
|
|
|
-}
|
|
|
-</script>
|
|
|
-
|
|
|
-<style lang="scss" scoped>
|
|
|
-.scroll-container {
|
|
|
- white-space: nowrap;
|
|
|
- position: relative;
|
|
|
- overflow: hidden;
|
|
|
- width: 100%;
|
|
|
- ::v-deep {
|
|
|
- .el-scrollbar__bar {
|
|
|
- bottom: 0px;
|
|
|
- }
|
|
|
- .el-scrollbar__wrap {
|
|
|
- height: 49px;
|
|
|
- }
|
|
|
- }
|
|
|
-}
|
|
|
-</style>
|
|
|
+<template>
|
|
|
+ <el-scrollbar ref="scrollContainer" :vertical="false" class="scroll-container" @wheel.native.prevent="handleScroll">
|
|
|
+ <slot />
|
|
|
+ </el-scrollbar>
|
|
|
+</template>
|
|
|
+
|
|
|
+<script>
|
|
|
+const tagAndTagSpacing = 4 // tagAndTagSpacing
|
|
|
+
|
|
|
+export default {
|
|
|
+ name: 'ScrollPane',
|
|
|
+ data() {
|
|
|
+ return {
|
|
|
+ left: 0
|
|
|
+ }
|
|
|
+ },
|
|
|
+ computed: {
|
|
|
+ scrollWrapper() {
|
|
|
+ return this.$refs.scrollContainer.$refs.wrap
|
|
|
+ }
|
|
|
+ },
|
|
|
+ mounted() {
|
|
|
+ this.scrollWrapper.addEventListener('scroll', this.emitScroll, true)
|
|
|
+ },
|
|
|
+ beforeDestroy() {
|
|
|
+ this.scrollWrapper.removeEventListener('scroll', this.emitScroll)
|
|
|
+ },
|
|
|
+ methods: {
|
|
|
+ handleScroll(e) {
|
|
|
+ const eventDelta = e.wheelDelta || -e.deltaY * 40
|
|
|
+ const $scrollWrapper = this.scrollWrapper
|
|
|
+ $scrollWrapper.scrollLeft = $scrollWrapper.scrollLeft + eventDelta / 4
|
|
|
+ },
|
|
|
+ emitScroll() {
|
|
|
+ this.$emit('scroll')
|
|
|
+ },
|
|
|
+ moveToTarget(currentTag) {
|
|
|
+ const $container = this.$refs.scrollContainer.$el
|
|
|
+ const $containerWidth = $container.offsetWidth
|
|
|
+ const $scrollWrapper = this.scrollWrapper
|
|
|
+ const tagList = this.$parent.$refs.tag
|
|
|
+
|
|
|
+ let firstTag = null
|
|
|
+ let lastTag = null
|
|
|
+
|
|
|
+ // find first tag and last tag
|
|
|
+ if (tagList.length > 0) {
|
|
|
+ firstTag = tagList[0]
|
|
|
+ lastTag = tagList[tagList.length - 1]
|
|
|
+ }
|
|
|
+
|
|
|
+ if (firstTag === currentTag) {
|
|
|
+ $scrollWrapper.scrollLeft = 0
|
|
|
+ } else if (lastTag === currentTag) {
|
|
|
+ $scrollWrapper.scrollLeft = $scrollWrapper.scrollWidth - $containerWidth
|
|
|
+ } else {
|
|
|
+ // find preTag and nextTag
|
|
|
+ const currentIndex = tagList.findIndex(item => item === currentTag)
|
|
|
+ const prevTag = tagList[currentIndex - 1]
|
|
|
+ const nextTag = tagList[currentIndex + 1]
|
|
|
+
|
|
|
+ // the tag's offsetLeft after of nextTag
|
|
|
+ const afterNextTagOffsetLeft = nextTag.$el.offsetLeft + nextTag.$el.offsetWidth + tagAndTagSpacing
|
|
|
+
|
|
|
+ // the tag's offsetLeft before of prevTag
|
|
|
+ const beforePrevTagOffsetLeft = prevTag.$el.offsetLeft - tagAndTagSpacing
|
|
|
+
|
|
|
+ if (afterNextTagOffsetLeft > $scrollWrapper.scrollLeft + $containerWidth) {
|
|
|
+ $scrollWrapper.scrollLeft = afterNextTagOffsetLeft - $containerWidth
|
|
|
+ } else if (beforePrevTagOffsetLeft < $scrollWrapper.scrollLeft) {
|
|
|
+ $scrollWrapper.scrollLeft = beforePrevTagOffsetLeft
|
|
|
+ }
|
|
|
+ }
|
|
|
+ }
|
|
|
+ }
|
|
|
+}
|
|
|
+</script>
|
|
|
+
|
|
|
+<style lang="scss" scoped>
|
|
|
+.scroll-container {
|
|
|
+ white-space: nowrap;
|
|
|
+ position: relative;
|
|
|
+ overflow: hidden;
|
|
|
+ width: 100%;
|
|
|
+ ::v-deep {
|
|
|
+ .el-scrollbar__bar {
|
|
|
+ bottom: 0px;
|
|
|
+ }
|
|
|
+ .el-scrollbar__wrap {
|
|
|
+ height: 39px;
|
|
|
+ }
|
|
|
+ }
|
|
|
+}
|
|
|
+</style>
|